/* ==========================================================================
   Urukais Klick - Portfolio Styles (Versión Profesional)
   Desarrollado por Manuel Casimiro Carrasco
   ========================================================================== */

/* ==========================================================================
   1. CSS Custom Properties (Design Tokens)
   ========================================================================== */
:root {
    /* --- Color Palette: Sistema de colores completo --- */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #121212;
    --color-bg-tertiary: #1a1a1a;
    --color-bg-elevated: #1e1e1e;
    --color-bg-card: #161616;
    --color-bg-card-hover: #222222;
    
    --color-orange-50: #fff7ed;
    --color-orange-100: #ffedd5;
    --color-orange-200: #fed7aa;
    --color-orange-300: #fdba74;
    --color-orange-400: #fb923c;
    --color-orange-500: #f97316;
    --color-orange-600: #ea580c;
    --color-orange-primary: #ff6b00;
    --color-orange-light: #ff8533;
    --color-orange-dark: #cc5500;
    --color-orange-glow: rgba(255, 107, 0, 0.4);
    --color-orange-glow-subtle: rgba(255, 107, 0, 0.15);
    --color-orange-dim: rgba(255, 107, 0, 0.08);
    
    --color-cyan: #00d2ff;
    --color-cyan-light: #33dfff;
    --color-cyan-glow: rgba(0, 210, 255, 0.3);
    --color-cyan-dim: rgba(0, 210, 255, 0.08);
    
    --color-text-primary: #f8fafc;
    --color-text-secondary: #cbd5e1;
    --color-text-tertiary: #94a3b8;
    --color-text-muted: #64748b;
    --color-text-inverse: #0a0a0a;
    
    --color-border-subtle: rgba(255, 255, 255, 0.06);
    --color-border-light: rgba(255, 255, 255, 0.1);
    --color-border-medium: rgba(255, 255, 255, 0.15);
    --color-border-focus: rgba(255, 107, 0, 0.5);
    
    /* --- Semantic Colors: Estados semánticos --- */
    --color-success: #10b981;
    --color-success-glow: rgba(16, 185, 129, 0.3);
    --color-success-subtle: rgba(16, 185, 129, 0.1);
    --color-error: #ef4444;
    --color-error-glow: rgba(239, 68, 68, 0.3);
    --color-error-subtle: rgba(239, 68, 68, 0.1);
    --color-warning: #f59e0b;
    --color-warning-glow: rgba(245, 158, 11, 0.3);
    --color-warning-subtle: rgba(245, 158, 11, 0.1);
    --color-info: #3b82f6;
    --color-info-glow: rgba(59, 130, 246, 0.3);
    --color-info-subtle: rgba(59, 130, 246, 0.1);
    
    /* --- Typography: Sistema tipográfico --- */
    --font-heading: 'Orbitron', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Type Scale (Major Third - 1.250) */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    
    /* Line Heights */
    --leading-tight: 1.1;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;
    
    /* Letter Spacing */
    --tracking-tighter: -0.05em;
    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.025em;
    --tracking-wider: 0.05em;
    
    /* --- Spacing: Sistema de espaciado (8pt grid) --- */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* --- Border Radius: Radios de borde escalonados --- */
    --radius-none: 0;
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;
    --radius-card: 1rem;
    --radius-button: 0.5rem;
    
    /* --- Shadows: Sistema de sombras --- */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.2);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    
    /* Colored Shadows */
    --shadow-orange-sm: 0 0 10px rgba(255, 107, 0, 0.25);
    --shadow-orange-md: 0 0 20px rgba(255, 107, 0, 0.35);
    --shadow-orange-lg: 0 0 40px rgba(255, 107, 0, 0.45);
    --shadow-orange-xl: 0 0 60px rgba(255, 107, 0, 0.5);
    --shadow-cyan-sm: 0 0 10px rgba(0, 210, 255, 0.25);
    --shadow-cyan-md: 0 0 20px rgba(0, 210, 255, 0.35);
    
    /* --- Transitions: Curvas de easing personalizadas --- */
    --transition-instant: 0ms;
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-bounce: 600ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* --- Z-index Layers: Capas de apilamiento --- */
    --z-auto: auto;
    --z-base: 0;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal-backdrop: 300;
    --z-modal: 400;
    --z-popover: 500;
    --z-toast: 600;
    --z-cookie: 700;
    --z-preloader: 800;
    --z-skip-link: 900;
    
    /* --- Layout: Configuraciones de layout --- */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1440px;
    --container-full: 100%;
    
    /* --- Focus: Estilos de focus mejorados --- */
    --focus-ring: 0 0 0 3px var(--color-orange-glow);
    --focus-ring-offset: 0 0 0 2px var(--color-bg-primary), var(--focus-ring);
}

/* ==========================================================================
   2. CSS Reset & Base Styles
   ========================================================================== */

/* Box sizing reset */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Root element */
html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Body */
body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
    min-height: 100vh;
}

body.loading {
    overflow: hidden;
    height: 100vh;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-3) var(--space-6);
    background: var(--color-orange-primary);
    color: var(--color-text-inverse);
    font-weight: 600;
    font-size: var(--text-sm);
    border-radius: var(--radius-lg);
    z-index: var(--z-skip-link);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-4);
}

/* Focus styles */
:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring-offset);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring-offset);
}

/* Selection */
::selection {
    background: var(--color-orange-primary);
    color: var(--color-text-inverse);
}

/* Links */
a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-normal);
}

/* Lists */
ul,
ol {
    list-style: none;
}

/* Images */
img,
picture,
svg,
video {
    display: block;
    max-width: 100%;
    height: auto;
}

/* Form elements */
input,
textarea,
select,
button {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

/* ==========================================================================
   3. Utility Classes
   ========================================================================== */

/* Container */
.container {
    width: var(--container-full);
    max-width: var(--container-xl);
    margin-inline: auto;
    padding-inline: var(--space-6);
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Text utilities */
.text-orange { color: var(--color-orange-primary); }
.text-cyan { color: var(--color-cyan); }
.text-muted { color: var(--color-text-muted); }
.text-secondary { color: var(--color-text-secondary); }

/* Section styles */
.section {
    padding-block: var(--space-24);
    position: relative;
}

.section-header {
    text-align: center;
    margin-block-end: var(--space-16);
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-orange-dim);
    border: 1px solid var(--color-orange-glow-subtle);
    border-radius: var(--radius-full);
    color: var(--color-orange-primary);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    margin-block-end: var(--space-4);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
    font-weight: 700;
    line-height: var(--leading-tight);
    margin-block-end: var(--space-4);
    color: var(--color-text-primary);
}

.section-subtitle {
    color: var(--color-text-secondary);
    font-size: var(--text-lg);
    max-width: 600px;
    margin-inline: auto;
    line-height: var(--leading-relaxed);
}

/* Grid utilities */
.grid {
    display: grid;
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.gap-12 { gap: var(--space-12); }

/* Flex utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

/* ==========================================================================
   4. Button Styles
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: var(--leading-snug);
    border-radius: var(--radius-button);
    transition: all var(--transition-normal);
    position: relative;
    white-space: nowrap;
    isolation: isolate;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.1) 0%,
        rgba(255, 255, 255, 0) 100%
    );
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: var(--color-orange-primary);
    color: var(--color-text-inverse);
    box-shadow: var(--shadow-orange-sm);
}

.btn-primary:hover {
    background: var(--color-orange-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-orange-md);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-orange-sm);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 2px solid var(--color-border-light);
}

.btn-secondary:hover {
    border-color: var(--color-orange-primary);
    color: var(--color-orange-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-orange-sm);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
}

.btn-ghost:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.btn-full {
    width: 100%;
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

/* ==========================================================================
   5. Navigation Styles
   ========================================================================== */

.navbar {
    position: fixed;
    inset-block-start: 0;
    inset-inline-start: 0;
    width: 100%;
    z-index: var(--z-sticky);
    padding-block: var(--space-4);
    transition: all var(--transition-normal);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding-block: var(--space-3);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    max-width: var(--container-xl);
    margin-inline: auto;
    padding-inline: var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-text-primary);
    transition: transform var(--transition-normal);
}

.nav-logo:hover {
    transform: scale(1.02);
}

.logo-icon {
    color: var(--color-orange-primary);
    font-size: var(--text-lg);
}

.logo-accent {
    color: var(--color-orange-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    position: relative;
    padding-block: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-normal);
}

.nav-link::after {
    content: '';
    position: absolute;
    inset-block-end: 0;
    inset-inline-start: 0;
    width: 0;
    height: 2px;
    background: var(--color-orange-primary);
    transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-orange-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    padding: var(--space-2);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: background var(--transition-normal);
}

.nav-toggle:hover {
    background: var(--color-bg-tertiary);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
    transform-origin: center;
}

.nav-toggle span:nth-child(1) {
    margin-block-end: 5px;
}

.nav-toggle span:nth-child(3) {
    margin-block-start: 5px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ==========================================================================
   6. Preloader Styles
   ========================================================================== */

.preloader {
    position: fixed;
    inset: 0;
    background: var(--color-bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-preloader);
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader-content {
    text-align: center;
}

.preloader-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--color-border-light);
    border-top-color: var(--color-orange-primary);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
    margin-inline: auto;
    margin-block-end: var(--space-4);
}

.preloader-text {
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==========================================================================
   7. Hero Section
   ========================================================================== */

.hero {
    min-block-size: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-block: var(--space-32);
    padding-inline: var(--space-6);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 107, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 107, 0, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.glow-orb {
    position: absolute;
    border-radius: var(--radius-full);
    filter: blur(80px);
    opacity: 0.4;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--color-orange-primary);
    inset-block-start: -100px;
    inset-inline-end: -100px;
    animation: float 20s ease-in-out infinite;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: var(--color-cyan);
    inset-block-end: -50px;
    inset-inline-start: -100px;
    animation: float 15s ease-in-out infinite reverse;
}

.orb-3 {
    width: 200px;
    height: 200px;
    background: var(--color-orange-primary);
    inset-block-start: 50%;
    inset-inline-start: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 8s ease-in-out infinite;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-orange-dim);
    border: 1px solid rgba(255, 107, 0, 0.2);
    border-radius: var(--radius-full);
    color: var(--color-orange-primary);
    font-size: var(--text-xs);
    font-weight: 600;
    margin-block-end: var(--space-6);
    animation: fadeInDown 0.8s ease-out;
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-orange-primary);
    border-radius: var(--radius-full);
    animation: pulse-dot 2s ease-in-out infinite;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(var(--text-3xl), 6vw, var(--text-6xl));
    font-weight: 800;
    line-height: var(--leading-tight);
    margin-block-end: var(--space-6);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-title .highlight {
    color: var(--color-orange-primary);
    position: relative;
}

.hero-subtitle {
    font-size: clamp(var(--text-base), 2vw, var(--text-lg));
    color: var(--color-text-secondary);
    max-width: 700px;
    margin-inline: auto;
    margin-block-end: var(--space-12);
    line-height: var(--leading-relaxed);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-subtitle .text-orange {
    font-weight: 600;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-block-end: var(--space-12);
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-12);
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-orange-primary);
    line-height: 1;
    margin-block-end: var(--space-2);
    background: linear-gradient(135deg, var(--color-orange-primary), var(--color-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% 200%;
    animation: gradient-shift 3s ease-in-out infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.stat-label {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    font-weight: 500;
}

.scroll-indicator {
    position: absolute;
    inset-block-end: var(--space-8);
    inset-inline-start: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    animation: fadeIn 1s ease-out 1s both;
}

.scroll-indicator .mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-border-medium);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator .wheel {
    width: 4px;
    height: 8px;
    background: var(--color-orange-primary);
    border-radius: 2px;
    position: absolute;
    inset-block-start: 8px;
    inset-inline-start: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s ease-in-out infinite;
}

/* Keyframes */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(30px, -30px); }
    50% { transform: translate(0, -60px); }
    75% { transform: translate(-30px, -30px); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.6; transform: translate(-50%, -50%) scale(1.2); }
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

@keyframes scroll-wheel {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

/* ==========================================================================
   8. About Section
   ========================================================================== */

.about {
    padding-block: var(--space-32);
    background: var(--color-bg-secondary);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    inset-block-start: 0;
    inset-inline-start: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--color-orange-primary),
        transparent
    );
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-16);
    align-items: center;
}

.about-image {
    position: relative;
}

.image-frame {
    position: relative;
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--color-bg-tertiary), var(--color-bg-card));
    border-radius: var(--radius-card);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border-light);
}

.avatar-placeholder {
    width: 140px;
    height: 140px;
    background: var(--color-orange-dim);
    border: 2px solid var(--color-orange-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--color-orange-primary);
    animation: float 6s ease-in-out infinite;
}

.frame-corner {
    position: absolute;
    width: 24px;
    height: 24px;
    border-color: var(--color-orange-primary);
    border-style: solid;
}

.frame-corner.top-left {
    inset-block-start: -1px;
    inset-inline-start: -1px;
    border-width: 2px 0 0 2px;
    border-radius: var(--radius-lg) 0 0 0;
}

.frame-corner.top-right {
    inset-block-start: -1px;
    inset-inline-end: -1px;
    border-width: 2px 2px 0 0;
    border-radius: 0 var(--radius-lg) 0 0;
}

.frame-corner.bottom-left {
    inset-block-end: -1px;
    inset-inline-start: -1px;
    border-width: 0 0 2px 2px;
    border-radius: 0 0 0 var(--radius-lg);
}

.frame-corner.bottom-right {
    inset-block-end: -1px;
    inset-inline-end: -1px;
    border-width: 0 2px 2px 0;
    border-radius: 0 0 var(--radius-lg) 0;
}

.experience-badge {
    position: absolute;
    inset-block-end: calc(var(--space-6) * -1);
    inset-inline-end: calc(var(--space-6) * -1);
    background: var(--color-orange-primary);
    color: var(--color-text-inverse);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-card);
    text-align: center;
    box-shadow: var(--shadow-orange-lg);
}

.experience-badge .years {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 700;
    line-height: 1;
}

.experience-badge .text {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    font-weight: 600;
}

.about-text h3 {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 600;
    margin-block-end: var(--space-4);
    color: var(--color-text-primary);
}

.about-text p {
    color: var(--color-text-secondary);
    margin-block-end: var(--space-4);
    line-height: var(--leading-relaxed);
}

.about-text p strong {
    color: var(--color-orange-primary);
    font-weight: 600;
}

.about-skills {
    margin-block-start: var(--space-8);
}

.about-skills h4 {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    margin-block-end: var(--space-4);
    color: var(--color-text-primary);
    font-weight: 600;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.skill-item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    transition: all var(--transition-normal);
}

.skill-item:hover {
    border-color: var(--color-orange-primary);
    color: var(--color-orange-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-orange-sm);
}

.skill-item i {
    font-size: var(--text-sm);
}

/* ==========================================================================
   9. Services Section
   ========================================================================== */

.services {
    padding-block: var(--space-32);
    background: var(--color-bg-primary);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    inset-block-start: 0;
    inset-inline-start: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--color-orange-primary),
        transparent
    );
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.service-card {
    position: relative;
    padding: var(--space-8);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-card);
    transition: all var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-orange-primary);
    box-shadow: var(--shadow-orange-md);
}

.service-card.featured {
    border-color: var(--color-orange-primary);
    background: linear-gradient(
        135deg,
        var(--color-bg-card),
        rgba(255, 107, 0, 0.05)
    );
}

.featured-badge {
    position: absolute;
    inset-block-start: calc(var(--space-3) * -1);
    inset-inline-start: 50%;
    transform: translateX(-50%);
    padding: var(--space-1) var(--space-3);
    background: var(--color-orange-primary);
    color: var(--color-text-inverse);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    border-radius: var(--radius-full);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: var(--color-orange-dim);
    border: 2px solid var(--color-orange-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-block-end: var(--space-5);
    transition: all var(--transition-normal);
}

.service-card:hover .service-icon {
    background: var(--color-orange-primary);
    transform: scale(1.1);
    box-shadow: var(--shadow-orange-md);
}

.service-icon i {
    font-size: var(--text-xl);
    color: var(--color-orange-primary);
    transition: color var(--transition-normal);
}

.service-card:hover .service-icon i {
    color: var(--color-text-inverse);
}

.service-title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    margin-block-end: var(--space-3);
    color: var(--color-text-primary);
}

.service-description {
    color: var(--color-text-secondary);
    margin-block-end: var(--space-5);
    line-height: var(--leading-relaxed);
    font-size: var(--text-sm);
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

.service-features li::before {
    content: '✓';
    color: var(--color-orange-primary);
    font-weight: 600;
}

/* ==========================================================================
   10. Projects Section
   ========================================================================== */

.projects {
    padding-block: var(--space-32);
    background: var(--color-bg-secondary);
    position: relative;
}

.projects::before {
    content: '';
    position: absolute;
    inset-block-start: 0;
    inset-inline-start: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--color-orange-primary),
        transparent
    );
}

.projects-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
    margin-block-end: var(--space-12);
}

.filter-btn {
    padding: var(--space-2) var(--space-4);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--transition-normal);
}

.filter-btn:hover {
    border-color: var(--color-orange-primary);
    color: var(--color-orange-primary);
}

.filter-btn.active {
    background: var(--color-orange-primary);
    border-color: var(--color-orange-primary);
    color: var(--color-text-inverse);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.project-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-card);
    overflow: hidden;
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(20px);
}

.project-card.fade-in,
.project-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-orange-primary);
    box-shadow: var(--shadow-orange-md);
}

.project-card.hidden {
    display: none;
}

.project-image {
    width: 100%;
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, var(--color-bg-tertiary), var(--color-bg-card));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.project-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(255, 107, 0, 0.1) 0%,
        transparent 100%
    );
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 1;
}

.project-card:hover .project-image::before {
    opacity: 1;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
    opacity: 0;
}

.project-image img.loaded {
    opacity: 1;
}

.project-card:hover .project-image img.loaded {
    transform: scale(1.05);
}

.project-content {
    padding: var(--space-5);
}

.project-title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    margin-block-end: var(--space-2);
    color: var(--color-text-primary);
}

.project-description {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    margin-block-end: var(--space-4);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-block-end: var(--space-4);
}

.tech-badge {
    padding: var(--space-1) var(--space-3);
    background: var(--color-orange-dim);
    border: 1px solid var(--color-orange-glow-subtle);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-family: var(--font-mono);
    color: var(--color-orange-primary);
    transition: all var(--transition-normal);
}

.tech-badge:hover {
    background: var(--color-orange-primary);
    color: var(--color-text-inverse);
}

.project-actions {
    display: flex;
    gap: var(--space-2);
}

.project-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: var(--text-xs);
    font-weight: 500;
    transition: all var(--transition-normal);
}

.project-btn:hover {
    border-color: var(--color-orange-primary);
    color: var(--color-orange-primary);
    background: var(--color-orange-dim);
}

.project-btn.primary {
    background: var(--color-orange-primary);
    border-color: var(--color-orange-primary);
    color: var(--color-text-inverse);
}

.project-btn.primary:hover {
    background: var(--color-orange-light);
}

.no-results {
    text-align: center;
    padding-block: var(--space-24);
    color: var(--color-text-muted);
}

.no-results i {
    font-size: 4rem;
    margin-block-end: var(--space-6);
    opacity: 0.3;
}

/* ==========================================================================
   11. Contact Section
   ========================================================================== */

.contact {
    padding-block: var(--space-32);
    background: var(--color-bg-primary);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    inset-block-start: 0;
    inset-inline-start: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--color-orange-primary),
        transparent
    );
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-16);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.contact-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-card);
    transition: all var(--transition-normal);
}

.contact-card:hover {
    border-color: var(--color-orange-primary);
    transform: translateX(8px);
}

.contact-icon {
    width: 52px;
    height: 52px;
    background: var(--color-orange-dim);
    border: 2px solid var(--color-orange-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--transition-normal);
}

.contact-card:hover .contact-icon {
    background: var(--color-orange-primary);
}

.contact-icon i {
    font-size: var(--text-base);
    color: var(--color-orange-primary);
    transition: color var(--transition-normal);
}

.contact-card:hover .contact-icon i {
    color: var(--color-text-inverse);
}

.contact-details h4 {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    margin-block-end: var(--space-1);
    color: var(--color-text-primary);
}

.contact-details p,
.contact-details a {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    transition: color var(--transition-normal);
}

.contact-details a:hover {
    color: var(--color-orange-primary);
}

.social-links {
    display: flex;
    gap: var(--space-3);
    margin-block-start: var(--space-4);
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    transition: all var(--transition-normal);
}

.social-link:hover {
    border-color: var(--color-orange-primary);
    color: var(--color-orange-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-orange-sm);
}

/* Contact Form */
.contact-form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-card);
    padding: var(--space-8);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-group {
    position: relative;
    margin-block-end: var(--space-5);
}

.form-group label {
    display: block;
    margin-block-end: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    padding-inline-start: var(--space-10);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--text-sm);
    transition: all var(--transition-normal);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: var(--color-border-medium);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-orange-primary);
    box-shadow: 0 0 0 3px var(--color-orange-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group textarea {
    padding-inline-start: var(--space-4);
    min-height: 140px;
    resize: vertical;
}

.form-group .input-icon {
    position: absolute;
    inset-inline-start: var(--space-3);
    inset-block-start: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    pointer-events: none;
    transition: color var(--transition-normal);
}

.form-group textarea ~ .input-icon {
    inset-block-start: var(--space-4);
    transform: none;
}

.form-group input:focus ~ .input-icon,
.form-group textarea:focus ~ .input-icon {
    color: var(--color-orange-primary);
}

.form-group select {
    appearance: none;
    cursor: pointer;
}

.form-group select ~ .input-icon {
    inset-inline-end: var(--space-3);
    inset-inline-start: auto;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    margin-block-end: var(--space-5);
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-block-start: 2px;
    cursor: pointer;
    accent-color: var(--color-orange-primary);
}

.checkbox-group label {
    margin-block-end: 0;
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
}

.checkbox-group a {
    color: var(--color-orange-primary);
    text-decoration: underline;
}

.checkbox-group a:hover {
    color: var(--color-orange-light);
}

/* ==========================================================================
   12. Footer
   ========================================================================== */

.footer {
    background: var(--color-bg-secondary);
    padding-block: var(--space-24) var(--space-8);
    border-top: 1px solid var(--color-border-light);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-12);
    margin-block-end: var(--space-12);
}

.footer-brand .nav-logo {
    margin-block-end: var(--space-4);
}

.footer-description {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

.footer-links h4,
.footer-newsletter h4 {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    margin-block-end: var(--space-4);
    color: var(--color-text-primary);
    font-weight: 600;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-links a {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    transition: all var(--transition-normal);
}

.footer-links a:hover {
    color: var(--color-orange-primary);
    padding-inline-start: var(--space-2);
}

.footer-newsletter p {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    margin-block-end: var(--space-3);
}

.newsletter-form {
    display: flex;
    gap: var(--space-2);
}

.newsletter-form input {
    flex: 1;
    padding: var(--space-2) var(--space-3);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--text-sm);
    transition: all var(--transition-normal);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--color-orange-primary);
}

.newsletter-form button {
    width: 40px;
    height: 40px;
    background: var(--color-orange-primary);
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-text-inverse);
    font-size: var(--text-sm);
    transition: all var(--transition-normal);
}

.newsletter-form button:hover {
    background: var(--color-orange-light);
}

.footer-bottom {
    padding-block-start: var(--space-6);
    border-top: 1px solid var(--color-border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.made-with {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.made-with i {
    color: var(--color-orange-primary);
}

/* ==========================================================================
   13. Back to Top Button
   ========================================================================== */

.back-to-top {
    position: fixed;
    inset-block-end: var(--space-6);
    inset-inline-end: var(--space-6);
    width: 44px;
    height: 44px;
    background: var(--color-orange-primary);
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-text-inverse);
    font-size: var(--text-lg);
    box-shadow: var(--shadow-orange-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: var(--z-sticky);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-orange-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-orange-lg);
}

.back-to-top:active {
    transform: translateY(0);
}

/* ==========================================================================
   14. Cookie Banner Styles
   ========================================================================== */

.cookie-banner {
    position: fixed;
    inset-block-end: 0;
    inset-inline-start: 0;
    width: 100%;
    background: var(--color-bg-card);
    border-top: 1px solid var(--color-border-light);
    padding: var(--space-5);
    z-index: var(--z-cookie);
    transform: translateY(100%);
    transition: transform var(--transition-normal);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.cookie-banner.active {
    transform: translateY(0);
}

.cookie-content {
    max-width: var(--container-xl);
    margin-inline: auto;
    display: flex;
    align-items: center;
    gap: var(--space-5);
}

.cookie-icon {
    width: 44px;
    height: 44px;
    background: var(--color-orange-dim);
    border: 2px solid var(--color-orange-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cookie-icon i {
    font-size: var(--text-lg);
    color: var(--color-orange-primary);
}

.cookie-text {
    flex: 1;
}

.cookie-text h4 {
    font-family: var(--font-heading);
    font-size: var(--text-base);
    margin-block-end: var(--space-1);
    color: var(--color-text-primary);
}

.cookie-text p {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

.cookie-text a {
    color: var(--color-orange-primary);
    text-decoration: underline;
}

.cookie-text a:hover {
    color: var(--color-orange-light);
}

.cookie-buttons {
    display: flex;
    gap: var(--space-2);
    flex-shrink: 0;
}

.cookie-buttons .btn {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

/* Footer Cookie Settings Button */
.footer-cookie-settings {
    margin-top: var(--space-4);
    text-align: center;
}

.cookie-settings-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    background: var(--color-bg-secondary);
    transition: all var(--transition-normal);
}

.cookie-settings-btn:hover {
    color: var(--color-orange-primary);
    border-color: var(--color-orange-primary);
    background: var(--color-orange-dim);
    transform: translateY(-2px);
}

.cookie-settings-btn i {
    font-size: var(--text-base);
}

/* Cookie Modal */
.cookie-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: calc(var(--z-modal) + 100);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.cookie-modal.active {
    opacity: 1 !important;
    visibility: visible !important;
}

.cookie-modal-content {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-card);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95);
    transition: transform var(--transition-normal);
}

.cookie-modal.active .cookie-modal-content {
    transform: scale(1) !important;
}

.cookie-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5);
    border-bottom: 1px solid var(--color-border-light);
}

.cookie-modal-header h3 {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    color: var(--color-text-primary);
}

.cookie-modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    font-size: var(--text-lg);
    transition: all var(--transition-normal);
}

.cookie-modal-close:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.cookie-modal-body {
    padding: var(--space-5);
}

.cookie-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.cookie-option:last-child {
    border-bottom: none;
}

.cookie-option-info h4 {
    font-size: var(--text-sm);
    color: var(--color-text-primary);
    margin-block-end: var(--space-1);
}

.cookie-option-info p {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
}

/* Switch Toggle */
.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-light);
    transition: var(--transition-normal);
    border-radius: var(--radius-full);
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    inset-block-start: 2px;
    inset-inline-start: 2px;
    background-color: var(--color-text-muted);
    transition: var(--transition-normal);
    border-radius: var(--radius-full);
}

input:checked + .slider {
    background-color: var(--color-orange-primary);
    border-color: var(--color-orange-primary);
}

input:checked + .slider:before {
    transform: translateX(20px);
    background-color: var(--color-text-inverse);
}

.cookie-modal-footer {
    padding: var(--space-5);
    border-top: 1px solid var(--color-border-light);
    text-align: end;
}

/* ==========================================================================
   15. Toast Notification Styles
   ========================================================================== */

.toast-container {
    position: fixed;
    inset-block-start: 100px;
    inset-inline-end: var(--space-6);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    max-width: 400px;
}

.toast-notification {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-left: 4px solid var(--toast-color, var(--color-orange-primary));
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    transform: translateX(120%);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    position: relative;
    overflow: hidden;
}

.toast-notification.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-notification-icon {
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.toast-notification-icon i {
    font-size: var(--text-base);
    color: var(--toast-color, var(--color-orange-primary));
}

.toast-notification-content {
    flex: 1;
}

.toast-notification-content h4 {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    margin-block-end: 2px;
    color: var(--color-text-primary);
}

.toast-notification-content p {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    line-height: var(--leading-snug);
}

.toast-notification-close {
    padding: var(--space-1);
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    transition: color var(--transition-normal);
    flex-shrink: 0;
}

.toast-notification-close:hover {
    color: var(--color-text-primary);
}

.toast-notification-progress {
    position: absolute;
    inset-block-end: 0;
    inset-inline-start: 0;
    height: 3px;
    background: var(--toast-color, var(--color-orange-primary));
    width: 100%;
    transform-origin: left;
}

.toast-notification-progress.animate {
    animation: progress var(--duration, 5000ms) linear forwards;
}

@keyframes progress {
    from { transform: scaleX(1); }
    to { transform: scaleX(0); }
}

/* ==========================================================================
   16. Alert Modal Styles
   ========================================================================== */

.alert-modal,
.confirm-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.alert-modal.active,
.confirm-modal.active {
    opacity: 1;
    visibility: visible;
}

.alert-modal-content,
.confirm-modal-content {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-card);
    width: 90%;
    max-width: 450px;
    transform: scale(0.95);
    transition: transform var(--transition-normal);
}

.alert-modal.active .alert-modal-content,
.confirm-modal.active .confirm-modal-content {
    transform: scale(1);
}

.alert-modal-header,
.confirm-modal-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border-light);
    background: var(--color-orange-dim);
    border-radius: var(--radius-card) var(--radius-card) 0 0;
}

.alert-modal-header i,
.confirm-modal-header i {
    font-size: var(--text-xl);
    color: var(--color-orange-primary);
}

.alert-modal-header h3,
.confirm-modal-header h3 {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    color: var(--color-text-primary);
}

.alert-modal-body,
.confirm-modal-body {
    padding: var(--space-6);
}

.alert-modal-body p,
.confirm-modal-body p {
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    font-size: var(--text-sm);
}

.alert-modal-footer,
.confirm-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-2);
    padding: var(--space-4);
    border-top: 1px solid var(--color-border-light);
}

/* ==========================================================================
   17. Loading Overlay Styles
   ========================================================================== */

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 10, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    text-align: center;
}

.loading-spinner i {
    font-size: 3rem;
    color: var(--color-orange-primary);
    animation: spin 1s linear infinite;
}

.loading-spinner p {
    margin-block-start: var(--space-4);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
}

/* ==========================================================================
   18. Animations & Microinteractions
   ========================================================================== */

/* Fade animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

/* Scale animations */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes scaleOut {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.95);
    }
}

/* Slide animations */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Hover effects for cards */
.card-hover {
    transition: all var(--transition-normal);
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Focus ring effect */
.focus-ring:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring-offset);
}

/* Button ripple effect */
.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(
        circle,
        rgba(255, 255, 255, 0.3) 0%,
        transparent 70%
    );
    opacity: 0;
    transform: scale(0);
    transition: opacity 0.3s, transform 0.5s;
}

.btn-ripple:active::after {
    opacity: 1;
    transform: scale(2);
}

/* Skeleton loading */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-bg-tertiary) 25%,
        var(--color-bg-elevated) 50%,
        var(--color-bg-tertiary) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ==========================================================================
   19. Responsive Design
   ========================================================================== */

/* Large tablets and small desktops */
@media (max-width: 1024px) {
    :root {
        --text-6xl: 3rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-buttons {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    
    .about-image {
        order: -1;
        max-width: 300px;
        margin-inline: auto;
    }
}

/* Tablets and large phones */
@media (max-width: 768px) {
    :root {
        --text-6xl: 2.5rem;
        --space-24: 4rem;
        --space-32: 6rem;
    }
    
    .container {
        padding-inline: var(--space-4);
    }
    
    /* Navigation mobile */
    .nav-toggle {
        display: flex;
        z-index: calc(var(--z-sticky) + 1);
    }
    
    .nav-menu {
        position: fixed;
        inset-block-start: 0;
        inset-inline-end: -100%;
        width: 80%;
        max-width: 320px;
        block-size: 100vh;
        background-color: var(--color-bg-secondary);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: var(--space-8) var(--space-6);
        transition: inset-inline-end var(--transition-normal);
        z-index: var(--z-sticky);
        box-shadow: var(--shadow-xl);
    }
    
    .nav-menu.active {
        inset-inline-end: 0;
    }
    
    .nav-link {
        font-size: var(--text-lg);
        padding: var(--space-3) 0;
    }
    
    /* Hero adjustments */
    .hero-stats {
        flex-direction: column;
        gap: var(--space-6);
    }
    
    .stat-number {
        font-size: var(--text-3xl);
    }
    
    /* Grid adjustments */
    .services-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    /* Contact adjustments */
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .contact-card {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-card:hover {
        transform: none;
    }
    
    /* Footer adjustments */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-2);
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .newsletter-form {
        max-width: 400px;
        margin-inline: auto;
    }
    
    /* Toast adjustments */
    .toast-container {
        inset-inline-end: var(--space-4);
        inset-inline-start: var(--space-4);
        max-width: none;
    }
    
    /* Modal adjustments */
    .cookie-modal-content,
    .alert-modal-content,
    .confirm-modal-content {
        margin: var(--space-4);
        width: calc(100% - var(--space-4) * 2);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Small phones */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .projects-filter {
        gap: var(--space-1);
    }
    
    .filter-btn {
        padding: var(--space-1) var(--space-3);
        font-size: var(--text-xs);
    }
    
    .project-actions {
        flex-direction: column;
    }
    
    .cookie-buttons {
        flex-direction: column;
    }
    
    .cookie-buttons .btn {
        width: 100%;
    }
    
    .experience-badge {
        inset-inline-end: 0;
    }
}

/* ==========================================================================
   20. FAQ Section Styles
   ========================================================================== */

.faq-section {
    padding-block: var(--space-32);
    background: var(--color-bg-secondary);
    position: relative;
}

.faq-section::before {
    content: '';
    position: absolute;
    inset-block-start: 0;
    inset-inline-start: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--color-orange-primary),
        transparent
    );
}

.faq-container {
    max-width: 800px;
    margin-inline: auto;
}

.faq-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-card);
    margin-block-end: var(--space-4);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faq-item:hover {
    border-color: var(--color-orange-primary);
}

.faq-item.active {
    border-color: var(--color-orange-primary);
    box-shadow: var(--shadow-orange-sm);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    width: 100%;
    padding: var(--space-5);
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    font-size: var(--text-base);
    font-weight: 500;
    text-align: start;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.faq-question:hover {
    color: var(--color-orange-primary);
}

.faq-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-orange-dim);
    border: 1px solid var(--color-orange-glow-subtle);
    border-radius: var(--radius-md);
    color: var(--color-orange-primary);
    flex-shrink: 0;
    transition: all var(--transition-normal);
}

.faq-item.active .faq-icon {
    background: var(--color-orange-primary);
    color: var(--color-text-inverse);
}

.faq-text {
    flex: 1;
}

.faq-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: var(--color-text-muted);
    transition: all var(--transition-normal);
    flex-shrink: 0;
}

.faq-item.active .faq-toggle {
    color: var(--color-orange-primary);
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--space-5) var(--space-5);
    padding-inline-start: calc(var(--space-5) + 40px + var(--space-3));
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    font-size: var(--text-sm);
}

/* ==========================================================================
   21. Guestbook Section Styles
   ========================================================================== */

.guestbook-section {
    padding-block: var(--space-32);
    background: var(--color-bg-primary);
    position: relative;
}

.guestbook-section::before {
    content: '';
    position: absolute;
    inset-block-start: 0;
    inset-inline-start: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--color-orange-primary),
        transparent
    );
}

.guestbook-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-8);
    align-items: start;
}

.guestbook-form-wrapper {
    position: sticky;
    inset-block-start: 100px;
}

.guestbook-form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-card);
    padding: var(--space-6);
    transition: all var(--transition-normal);
}

.guestbook-form:hover {
    border-color: var(--color-orange-primary);
    box-shadow: var(--shadow-orange-sm);
}

.guestbook-form .form-group {
    margin-block-end: var(--space-4);
}

.guestbook-form .form-help {
    display: block;
    margin-block-start: var(--space-1);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.guestbook-form textarea {
    min-height: 120px;
}

.guestbook-form .checkbox-group {
    margin-block-end: var(--space-5);
}

.guestbook-messages-wrapper {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-card);
    padding: var(--space-6);
}

.guestbook-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-block-end: var(--space-6);
    padding-block-end: var(--space-4);
    border-bottom: 1px solid var(--color-border-light);
}

.guestbook-header h3 {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text-primary);
}

.guestbook-filter {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.guestbook-filter .filter-btn {
    padding: var(--space-2) var(--space-3);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: var(--text-xs);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.guestbook-filter .filter-btn:hover {
    border-color: var(--color-orange-primary);
    color: var(--color-orange-primary);
}

.guestbook-filter .filter-btn.active {
    background: var(--color-orange-primary);
    border-color: var(--color-orange-primary);
    color: var(--color-text-inverse);
}

.guestbook-messages {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    min-height: 200px;
}

.guestbook-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-16);
    text-align: center;
    color: var(--color-text-muted);
}

.guestbook-empty i {
    font-size: 4rem;
    margin-block-end: var(--space-4);
    opacity: 0.3;
}

.guestbook-empty h4 {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    margin-block-end: var(--space-2);
}

.guestbook-empty p {
    font-size: var(--text-sm);
    max-width: 300px;
}

.message-card {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    animation: slideInUp 0.4s ease-out;
    transition: all var(--transition-normal);
}

.message-card:hover {
    border-color: var(--color-orange-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-orange-sm);
}

.message-card.hidden {
    display: none;
}

.message-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-block-end: var(--space-3);
}

.message-author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.message-avatar {
    width: 40px;
    height: 40px;
    background: var(--color-orange-dim);
    border: 2px solid var(--color-orange-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-orange-primary);
    font-weight: 600;
    font-size: var(--text-sm);
    flex-shrink: 0;
}

.message-name {
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: var(--text-sm);
}

.message-date {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.message-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    background: var(--color-orange-dim);
    border: 1px solid var(--color-orange-glow-subtle);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-family: var(--font-mono);
    color: var(--color-orange-primary);
    text-transform: capitalize;
}

.message-badge.question {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
    color: var(--color-info);
}

.message-badge.testimonial {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
    color: var(--color-success);
}

.message-content {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    word-break: break-word;
}

.message-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-block-start: var(--space-4);
    padding-block-start: var(--space-3);
    border-top: 1px solid var(--color-border-light);
}

.message-likes {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.message-likes:hover {
    color: var(--color-orange-primary);
}

.message-likes.liked {
    color: var(--color-orange-primary);
}

.message-likes i {
    transition: transform var(--transition-fast);
}

.message-likes:hover i {
    transform: scale(1.2);
}

.guestbook-pagination {
    display: flex;
    justify-content: center;
    margin-block-start: var(--space-6);
}

/* ==========================================================================
   22. Print Styles
   ========================================================================== */

@media print {
    :root {
        --color-bg-primary: #ffffff;
        --color-bg-secondary: #ffffff;
        --color-bg-tertiary: #f5f5f5;
        --color-text-primary: #1a1a1a;
        --color-text-secondary: #4a4a4a;
    }
    
    body {
        -webkit-font-smoothing: antialiased;
    }
    
    .navbar,
    .preloader,
    .cookie-banner,
    .back-to-top,
    .scroll-indicator {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        padding: 2rem;
    }
    
    .section {
        padding: 2rem 0;
    }
    
    a {
        text-decoration: underline;
    }
    
    .btn {
        border: 1px solid #1a1a1a;
        background: none;
        color: #1a1a1a;
    }
}