/* ========================================
   CSS Variables & Reset
======================================== */
:root {
    /* Blue Color Palette */
    --primary: #0066FF;
    --primary-light: #3D8BFF;
    --primary-dark: #0047B3;
    --accent: #00D4FF;
    --accent-glow: rgba(0, 212, 255, 0.3);

    /* Neutrals */
    --white: #FFFFFF;
    --black: #000000;
    --gray-50: #F8F9FA;
    --gray-100: #F1F3F5;
    --gray-200: #E9ECEF;
    --gray-300: #DEE2E6;
    --gray-400: #CED4DA;
    --gray-500: #ADB5BD;
    --gray-600: #868E96;
    --gray-700: #495057;
    --gray-800: #343A40;
    --gray-900: #212529;

    /* Background Colors */
    --bg-light: #F5F5F0;
    --bg-dark: #0A0A0A;
    --bg-cream: #FAF9F6;

    /* Theme Variables (Light Mode Default) */
    --theme-bg: var(--bg-light);
    --theme-bg-cream: var(--bg-cream);
    --theme-text: var(--gray-900);
    --theme-text-secondary: var(--gray-600);
    --theme-surface: var(--white);
    --theme-surface-hover: var(--gray-100);
    --theme-border: rgba(0, 0, 0, 0.08);
    --theme-shadow: rgba(0, 0, 0, 0.1);
    --theme-navbar-bg: rgba(255, 255, 255, 0.85);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', sans-serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
}

/* Dark Mode Theme */
[data-theme="dark"] {
    --theme-bg: var(--bg-dark);
    --theme-bg-cream: #111111;
    --theme-text: var(--white);
    --theme-text-secondary: var(--gray-400);
    --theme-surface: #1a1a1a;
    --theme-surface-hover: #2a2a2a;
    --theme-border: rgba(255, 255, 255, 0.1);
    --theme-shadow: rgba(0, 0, 0, 0.3);
    --theme-navbar-bg: rgba(10, 10, 10, 0.85);

    /* Override specific grays for dark mode */
    --gray-100: #1a1a1a;
    --gray-200: #2a2a2a;
    --gray-300: #3a3a3a;
    --gray-600: #9a9a9a;
    --gray-700: #cccccc;
    --gray-800: #e0e0e0;
    --gray-900: #ffffff;
}

/* Accessibility: Text Size Levels (0-4) */
[data-text-size="1"] {
    font-size: 1.05em;
}

[data-text-size="2"] {
    font-size: 1.1em;
}

[data-text-size="3"] {
    font-size: 1.15em;
}

[data-text-size="4"] {
    font-size: 1.2em;
}

[data-text-size="1"] .hero-headline {
    font-size: clamp(2.6rem, 5.2vw, 4.2rem);
}

[data-text-size="2"] .hero-headline {
    font-size: clamp(2.7rem, 5.4vw, 4.4rem);
}

[data-text-size="3"] .hero-headline {
    font-size: clamp(2.8rem, 5.6vw, 4.6rem);
}

[data-text-size="4"] .hero-headline {
    font-size: clamp(3rem, 6vw, 5rem);
}

[data-text-size="1"] .hero-subtext {
    font-size: 1.15rem;
}

[data-text-size="2"] .hero-subtext {
    font-size: 1.2rem;
}

[data-text-size="3"] .hero-subtext {
    font-size: 1.25rem;
}

[data-text-size="4"] .hero-subtext {
    font-size: 1.35rem;
}

/* Accessibility: High Contrast */
[data-high-contrast="true"] {
    --primary: #0044CC;
    --primary-light: #0055DD;
    --gray-600: #555555;
    --gray-500: #666666;
}

[data-high-contrast="true"][data-theme="dark"] {
    --primary: #4D9FFF;
    --primary-light: #66B3FF;
    --gray-400: #cccccc;
    --gray-500: #bbbbbb;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--theme-bg);
    color: var(--theme-text);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ========================================
   Glassmorphism Navbar
======================================== */
.navbar {
    position: fixed;
    top: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    width: auto;
    max-width: 90%;
}

.navbar-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--theme-navbar-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--theme-border);
    border-radius: var(--radius-full);
    box-shadow: 0 8px 32px var(--theme-shadow);
    transition: background-color var(--transition-base), border-color var(--transition-base);
}

/* Logo Area */
.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--gray-800);
    background: var(--gray-100);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    border: 1px solid var(--gray-200);
}

.logo-image {
    height: 28px;
    width: auto;
    object-fit: contain;
}

/* Dark mode logo inversion */
[data-theme="dark"] .logo-image {
    filter: brightness(0) invert(1);
}

.lang-toggle {
    display: flex;
    gap: 2px;
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    padding: 2px;
}

.lang-btn {
    padding: 4px 8px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--gray-500);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-btn.active {
    background: var(--white);
    color: var(--gray-900);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.lang-btn:hover:not(.active) {
    color: var(--gray-700);
}

/* Navigation Links */
.navbar-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-600);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--gray-900);
    background: var(--gray-100);
}

/* Contact CTA Button */
.navbar-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--white);
    background: var(--primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.3);
}

.navbar-cta:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 255, 0.4);
}

/* Menu Toggle (Mobile) */
.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    width: 18px;
    height: 2px;
    background: var(--gray-800);
    transition: all var(--transition-base);
}

/* Dark mode navbar - when over dark sections */
.navbar.navbar-dark .navbar-container {
    background: rgba(10, 10, 10, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar.navbar-dark .logo-icon {
    background: var(--gray-800);
    color: var(--white);
    border-color: var(--gray-700);
}

.navbar.navbar-dark .lang-toggle {
    background: rgba(255, 255, 255, 0.1);
}

.navbar.navbar-dark .lang-btn {
    color: var(--gray-400);
}

.navbar.navbar-dark .lang-btn.active {
    background: var(--gray-700);
    color: var(--white);
}

.navbar.navbar-dark .nav-link {
    color: var(--gray-300);
}

.navbar.navbar-dark .nav-link:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.navbar.navbar-dark .menu-toggle span {
    background: var(--white);
}

/* ========================================
   Navbar Controls (Accessibility & Theme)
======================================== */
.navbar-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Accessibility Dropdown */
.accessibility-dropdown {
    position: relative;
}

.accessibility-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.accessibility-btn:hover {
    background: var(--gray-200);
    color: var(--gray-800);
}

.accessibility-btn[aria-expanded="true"] {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.accessibility-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 200px;
    background: var(--theme-surface);
    border: 1px solid var(--theme-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px var(--theme-shadow);
    padding: var(--spacing-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: 100;
}

.accessibility-dropdown.open .accessibility-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.a11y-menu-header {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--theme-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-xs);
}

.a11y-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--theme-text);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.a11y-option:hover {
    background: var(--theme-surface-hover);
}

.a11y-option svg {
    flex-shrink: 0;
    color: var(--theme-text-secondary);
}

.a11y-option span:first-of-type {
    flex: 1;
    text-align: left;
}

.a11y-toggle-indicator {
    width: 16px;
    height: 16px;
    border-radius: var(--radius-sm);
    border: 2px solid var(--gray-300);
    transition: all var(--transition-fast);
}

.a11y-toggle-indicator.active {
    background: var(--primary);
    border-color: var(--primary);
}

.a11y-toggle-indicator.active::after {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.625rem;
    font-weight: 700;
    color: var(--white);
    height: 100%;
}

/* Text Size Slider */
.a11y-text-size {
    padding: var(--spacing-sm);
}

.a11y-text-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--theme-text);
    margin-bottom: var(--spacing-sm);
}

.a11y-text-label svg {
    color: var(--theme-text-secondary);
}

.a11y-slider-container {
    position: relative;
    padding: 0 var(--spacing-xs);
}

.a11y-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    background: var(--gray-300);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.a11y-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 102, 255, 0.3);
    transition: transform var(--transition-fast);
}

.a11y-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.a11y-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 102, 255, 0.3);
}

.a11y-slider-ticks {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xs);
    padding: 0 2px;
}

.a11y-slider-ticks .tick {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--theme-text-secondary);
    transition: color var(--transition-fast);
}

.a11y-slider-ticks .tick:nth-child(1) {
    font-size: 0.625rem;
}

.a11y-slider-ticks .tick:nth-child(2) {
    font-size: 0.75rem;
}

.a11y-slider-ticks .tick:nth-child(3) {
    font-size: 0.875rem;
}

.a11y-slider-ticks .tick:nth-child(4) {
    font-size: 1rem;
}

.a11y-slider-ticks .tick:nth-child(5) {
    font-size: 1.125rem;
}

.a11y-slider-ticks .tick::before {
    content: attr(data-label);
}

.a11y-slider-ticks .tick.active {
    color: var(--primary);
}

[data-theme="dark"] .a11y-slider {
    background: var(--gray-700);
}

.a11y-divider {
    height: 1px;
    background: var(--theme-border);
    margin: var(--spacing-sm) 0;
}

.a11y-lang-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm);
}

.a11y-lang-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--theme-text);
}

.a11y-lang-toggle {
    display: flex;
    gap: 2px;
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    padding: 2px;
}

.a11y-lang-toggle .lang-btn {
    padding: 4px 10px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--gray-500);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.a11y-lang-toggle .lang-btn.active {
    background: var(--theme-surface);
    color: var(--theme-text);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.a11y-lang-toggle .lang-btn:hover:not(.active) {
    color: var(--gray-700);
}

/* Theme Toggle Button */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    background: var(--gray-200);
    color: var(--gray-800);
}

.theme-toggle .sun-icon,
.theme-toggle .moon-icon {
    position: absolute;
    transition: all var(--transition-base);
}

/* Light mode - show sun, hide moon */
.theme-toggle .sun-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.theme-toggle .moon-icon {
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

/* Dark mode - hide sun, show moon */
[data-theme="dark"] .theme-toggle .sun-icon {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

[data-theme="dark"] .theme-toggle .moon-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

[data-theme="dark"] .theme-toggle {
    background: var(--gray-800);
    border-color: var(--gray-700);
    color: var(--gray-200);
}

[data-theme="dark"] .theme-toggle:hover {
    background: var(--gray-700);
    color: var(--white);
}

/* Dark mode adjustments for accessibility button */
[data-theme="dark"] .accessibility-btn {
    background: var(--gray-800);
    border-color: var(--gray-700);
    color: var(--gray-300);
}

[data-theme="dark"] .accessibility-btn:hover {
    background: var(--gray-700);
    color: var(--white);
}

[data-theme="dark"] .a11y-lang-toggle {
    background: var(--gray-800);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(0, 102, 255, 0.3);
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 102, 255, 0.4);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

/* ========================================
   Hero Section - Split Layout
======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background: var(--theme-bg);
    transition: background-color var(--transition-base);
}

/* Decorative Shapes */
.hero-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50% 40% 60% 50% / 50% 60% 40% 50%;
    opacity: 0.15;
    border: none;
    background: linear-gradient(135deg,
            rgba(0, 102, 255, 0.3) 0%,
            rgba(0, 102, 255, 0.1) 50%,
            rgba(99, 179, 237, 0.2) 100%);
    filter: blur(40px);
    animation: gradient-pulse 8s ease-in-out infinite alternate;
}

@keyframes gradient-pulse {
    0% {
        opacity: 0.1;
        transform: scale(1);
    }

    100% {
        opacity: 0.25;
        transform: scale(1.1);
    }
}

.shape-1 {
    width: 600px;
    height: 500px;
    top: 10%;
    left: 20%;
    animation: float 25s ease-in-out infinite;
}

.shape-2 {
    width: 400px;
    height: 350px;
    top: 5%;
    right: 25%;
    animation: float 20s ease-in-out infinite reverse;
}

.shape-3 {
    width: 300px;
    height: 280px;
    bottom: 20%;
    right: 30%;
    animation: float 22s ease-in-out infinite;
}

.shape-4 {
    width: 250px;
    height: 220px;
    bottom: 15%;
    left: 35%;
    animation: float 18s ease-in-out infinite reverse;
}

.shape-5 {
    width: 180px;
    height: 160px;
    top: 45%;
    left: 40%;
    animation: float 15s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    25% {
        transform: translate(15px, -20px) rotate(3deg);
    }

    50% {
        transform: translate(-10px, 15px) rotate(-2deg);
    }

    75% {
        transform: translate(10px, 5px) rotate(1deg);
    }
}

/* Hero Portraits - Hidden, replaced by 3D model */
.hero-portrait {
    display: none;
}

/* 3D Model Container */
.hero-3d-container {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

#hero-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* Hero Center Content - Single Centered Text */
.hero-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-xl);
    z-index: 3;
    padding: 0 var(--spacing-2xl);
    max-width: 700px;
}

/* Hero Headline */
.hero-headline {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--gray-900);
    letter-spacing: -0.02em;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Hero Line - Forces 3 row layout regardless of text size */
.hero-line {
    display: block;
    white-space: nowrap;
}

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

/* Hero Subtext */
.hero-subtext {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--gray-600);
    max-width: 500px;
}

/* Hero CTA Button */
.btn-lg {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: 1rem;
}



/* ========================================
   Projects Section - Fan/Card Layout
======================================== */
.projects {
    background: var(--theme-bg-cream);
    padding: var(--spacing-4xl) var(--spacing-2xl);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: background-color var(--transition-base);
}

.projects-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.projects-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
}

.projects-title .title-accent {
    color: var(--gray-500);
    font-weight: 400;
}

/* Filter Chips */
.filter-chips {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.filter-chip {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-600);
    background: var(--theme-surface);
    border: 1px solid var(--theme-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
}

.filter-chip:hover {
    color: var(--gray-900);
    background: var(--gray-100);
    border-color: var(--gray-300);
}

.filter-chip.active {
    color: var(--white);
    background: var(--primary);
    border-color: var(--primary);
}

.filter-chip.active:hover {
    background: var(--primary-light);
    border-color: var(--primary-light);
}

/* Projects Grid Container */
.projects-grid-container {
    width: 100%;
    max-width: 1400px;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    justify-items: center;
}

.projects-loading,
.projects-error {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--gray-500);
    font-size: 1rem;
}

/* ========================================
   Projects Section - Horizontal Auto-Scroll
======================================== */

/* Scroll Container - Default scroll mode */
.projects-scroll-container {
    width: 100%;
    overflow: hidden;
    padding: var(--spacing-2xl) 0;
}

/* Scroll mode - auto-scrolling with edge fade */
.projects-scroll-container.scroll-mode {
    mask-image: linear-gradient(to right,
            transparent,
            black 5%,
            black 95%,
            transparent);
    -webkit-mask-image: linear-gradient(to right,
            transparent,
            black 5%,
            black 95%,
            transparent);
}

/* Enable manual horizontal scroll on hover */
.projects-scroll-container.scroll-mode:hover {
    overflow-x: auto;
    cursor: grab;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.projects-scroll-container.scroll-mode:hover::-webkit-scrollbar {
    display: none;
}

.projects-scroll-container.scroll-mode:active {
    cursor: grabbing;
}

/* Static mode - grid layout, no scrolling */
.projects-scroll-container.static-mode {
    mask-image: none;
    -webkit-mask-image: none;
    overflow: visible;
    display: flex;
    justify-content: center;
}

.projects-scroll-container.static-mode .projects-scroll-track {
    animation: none;
    flex-wrap: wrap;
    justify-content: center;
    width: auto;
    max-width: 1200px;
}

/* Scroll Track - Contains all cards */
.projects-scroll-track {
    display: flex;
    gap: var(--spacing-xl);
    width: max-content;
    animation: scroll-left 40s linear infinite;
}

/* Pause animation on hover */
.projects-scroll-container.scroll-mode:hover .projects-scroll-track {
    animation-play-state: paused;
}

/* Infinite scroll keyframe */
@keyframes scroll-left {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* ========================================
   Project Card - New Light Design
======================================== */
.project-card {
    position: relative;
    flex-shrink: 0;
    width: 280px;
    border-radius: 16px;
    overflow: hidden;
    background: #ffffff;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Project Image - Top section */
.project-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--gray-100);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

/* Project Info - Bottom section */
.project-info {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

/* Project Name */
.project-name {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: #111111 !important;
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

/* Project Subtitle */
.project-subtitle {
    font-size: 0.8125rem;
    color: #555555;
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
    flex-grow: 1;
}

/* Project Footer - Platform & Category */
.project-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--gray-200);
}

.project-platform {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-500);
}

.project-category-chip {
    display: inline-block;
    padding: 4px 12px;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--primary);
    background: rgba(0, 102, 255, 0.1);
    border-radius: var(--radius-full);
    text-transform: capitalize;
}

/* Dark mode adjustments for cards */
[data-theme="dark"] .project-card {
    background: #1f1f1f;
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .project-card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .project-name {
    color: #ffffff !important;
}

[data-theme="dark"] .project-subtitle {
    color: #b0b0b0;
}

[data-theme="dark"] .project-footer {
    border-top-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .project-platform {
    color: #999999;
}

[data-theme="dark"] .project-category-chip {
    background: rgba(0, 102, 255, 0.25);
    color: #66a3ff;
}

/* Placeholder Images */
.placeholder-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--gray-600);
}

.placeholder-1 {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.placeholder-1::before {
    content: '';
    position: absolute;
    inset: 20%;
    border: 3px solid var(--primary);
    border-radius: var(--radius-xl);
    opacity: 0.5;
}

.placeholder-2 {
    background: linear-gradient(135deg, #0f3460 0%, #16213e 100%);
}

.placeholder-2::before {
    content: '';
    position: absolute;
    top: 15%;
    left: 10%;
    right: 10%;
    height: 20%;
    background: var(--primary);
    opacity: 0.3;
    border-radius: var(--radius-sm);
}

.placeholder-2::after {
    content: '';
    position: absolute;
    bottom: 20%;
    left: 10%;
    width: 60%;
    height: 40%;
    background: var(--accent);
    opacity: 0.2;
    border-radius: var(--radius-md);
}

.placeholder-3 {
    background: linear-gradient(135deg, #1a1a2e 0%, #0f3460 100%);
}

.placeholder-3::before {
    content: '';
    position: absolute;
    inset: 25%;
    background: linear-gradient(45deg, var(--primary) 0%, var(--accent) 100%);
    opacity: 0.4;
    border-radius: 50%;
}

.placeholder-4 {
    background: linear-gradient(135deg, #16213e 0%, #1a1a2e 100%);
}

.placeholder-4::before {
    content: '';
    position: absolute;
    top: 10%;
    left: 10%;
    right: 10%;
    bottom: 50%;
    background: var(--primary-dark);
    opacity: 0.4;
    border-radius: var(--radius-sm);
}

.placeholder-4::after {
    content: '';
    position: absolute;
    top: 55%;
    left: 10%;
    right: 10%;
    bottom: 10%;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    background:
        linear-gradient(var(--primary), var(--primary)) 0 0 / 48% 100% no-repeat,
        linear-gradient(var(--accent), var(--accent)) 52% 0 / 48% 100% no-repeat;
    opacity: 0.2;
    border-radius: var(--radius-sm);
}

.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-xs);
}

.project-name {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--white);
}

.project-year {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary);
}

/* Projects CTA */
.projects-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-4xl) var(--spacing-2xl) var(--spacing-2xl);
    gap: var(--spacing-lg);
}

.cta-icon {
    color: var(--primary);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

.cta-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--gray-900);
    line-height: 1.4;
}

.projects-cta .btn-outline {
    color: var(--gray-900);
    border-color: var(--primary);
}

.projects-cta .btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

/* ========================================
   Partners Section
======================================== */
.partners {
    background: var(--theme-bg-cream);
    padding: var(--spacing-4xl) var(--spacing-2xl);
    position: relative;
    overflow: hidden;
    transition: background-color var(--transition-base);
}

.partners-content {
    position: relative;
    margin-bottom: var(--spacing-4xl);
}

.partners-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: start;
}

.partners-title {
    display: flex;
    flex-direction: column;
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
}

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

.title-main {
    color: var(--gray-900);
}

.partners-description {
    max-width: 400px;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-600);
    margin-left: auto;
}

.partners-watermark {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -30%);
    font-family: var(--font-display);
    font-size: clamp(8rem, 20vw, 16rem);
    font-weight: 700;
    color: var(--primary);
    opacity: 0.08;
    white-space: nowrap;
    pointer-events: none;
    user-select: none;
    z-index: 0;
}

.partners-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xl);
    padding-top: var(--spacing-2xl);
    position: relative;
    z-index: 1;
}

.partner-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.partner-logo img {
    height: 40px;
    width: auto;
    max-width: 120px;
    object-fit: contain;
    opacity: 0.7;
    transition: opacity var(--transition-base);
}

.partner-logo:hover img {
    opacity: 1;
}

/* Dark mode - keep original partner logo colors */
[data-theme="dark"] .partner-logo img {
    opacity: 0.85;
}

[data-theme="dark"] .partner-logo:hover img {
    opacity: 1;
}

/* ========================================
   Contact Section
======================================== */
.contact {
    background: var(--bg-dark);
    padding: var(--spacing-4xl) var(--spacing-2xl);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.contact-description {
    font-size: 1.125rem;
    color: var(--gray-400);
    margin-bottom: var(--spacing-2xl);
}

.contact-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 500;
    color: var(--white);
    border: 1px solid var(--gray-700);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.contact-link:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(0, 102, 255, 0.1);
}

.contact-link svg {
    transition: transform var(--transition-base);
}

.contact-link:hover svg {
    transform: translate(3px, -3px);
}

/* ========================================
   Footer
======================================== */
.footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--gray-800);
    padding: var(--spacing-xl) var(--spacing-2xl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.footer-tagline {
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* ========================================
   Mobile Menu Overlay & Structure
======================================== */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

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

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(300px, 85vw);
    height: 100vh;
    height: 100dvh;
    background: var(--theme-surface);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.2);
    transition: right var(--transition-base);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) 0;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--theme-border);
}

.mobile-menu-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--gray-100);
    border: none;
    border-radius: var(--radius-md);
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.mobile-menu-close:hover {
    background: var(--gray-200);
    color: var(--gray-900);
}

[data-theme="dark"] .mobile-menu-close {
    background: var(--gray-800);
    color: var(--gray-300);
}

[data-theme="dark"] .mobile-menu-close:hover {
    background: var(--gray-700);
    color: var(--white);
}

.mobile-menu-nav {
    flex: 1;
    padding: var(--spacing-lg);
}

.mobile-nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    font-family: var(--font-primary);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--theme-text);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    min-height: 48px;
}

.mobile-nav-link:hover,
.mobile-nav-link:active {
    background: var(--gray-100);
    color: var(--primary);
}

[data-theme="dark"] .mobile-nav-link:hover,
[data-theme="dark"] .mobile-nav-link:active {
    background: var(--gray-800);
}

.mobile-menu-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--theme-border);
}

.mobile-menu-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    background: var(--primary);
    border-radius: var(--radius-md);
    min-height: 48px;
    transition: all var(--transition-base);
}

.mobile-menu-cta:hover {
    background: var(--primary-light);
}

/* Menu Toggle Animation */
.menu-toggle.active span:first-child {
    transform: rotate(45deg) translate(4px, 4px);
}

.menu-toggle.active span:last-child {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* Body scroll lock when menu is open */
body.menu-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
}

/* ========================================
   Touch-friendly Improvements
======================================== */
/* Minimum tap target sizes */
.nav-link,
.filter-chip,
.contact-link,
.lang-btn {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

/* Active states for touch feedback */
@media (hover: none) and (pointer: coarse) {

    .btn:active,
    .filter-chip:active,
    .project-card:active,
    .contact-link:active {
        transform: scale(0.98);
        opacity: 0.9;
    }

    /* Disable hover effects on touch devices */
    .project-card:hover {
        transform: none;
    }

    .project-card:active {
        transform: scale(0.98);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
    }
}

/* Disable text selection on interactive elements */
.btn,
.filter-chip,
.nav-link,
.menu-toggle,
.theme-toggle,
.accessibility-btn {
    -webkit-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

/* ========================================
   Responsive - Desktop First Fallback
======================================== */
@media (max-width: 1200px) {
    .hero-portrait img {
        height: 70vh;
    }

    .shape-1 {
        width: 400px;
        height: 350px;
    }

    .shape-2 {
        width: 300px;
        height: 260px;
    }

    .shape-3 {
        width: 220px;
        height: 200px;
    }
}

@media (max-width: 1024px) {

    .hero-portrait-left,
    .hero-portrait-right {
        display: none;
    }

    .hero-center {
        gap: var(--spacing-2xl);
        max-width: 600px;
    }

    .partners-header {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }

    .partners-description {
        margin: 0 auto;
        max-width: 500px;
    }

    .partners-title {
        align-items: center;
    }
}

/* ========================================
   Responsive - Tablet (768px)
======================================== */
@media (max-width: 768px) {

    /* Navbar Mobile Adjustments */
    .navbar-links {
        display: none;
    }

    .navbar-cta {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .navbar {
        top: var(--spacing-md);
    }

    .navbar-container {
        padding: var(--spacing-sm) var(--spacing-md);
        gap: var(--spacing-sm);
    }

    .navbar-controls {
        gap: var(--spacing-xs);
    }

    .accessibility-btn,
    .theme-toggle {
        width: 40px;
        height: 40px;
    }

    .accessibility-btn svg,
    .theme-toggle svg {
        width: 18px;
        height: 18px;
    }

    .accessibility-menu {
        position: fixed !important;
        top: auto !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        min-width: 100%;
        max-height: 70vh;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        transform: translateY(100%) !important;
        padding: var(--spacing-lg);
        padding-bottom: calc(var(--spacing-xl) + env(safe-area-inset-bottom));
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.3);
        opacity: 0;
        visibility: hidden;
    }

    .accessibility-dropdown.open .accessibility-menu {
        transform: translateY(0) !important;
        opacity: 1;
        visibility: visible;
    }

    /* Accessibility menu header on mobile */
    .a11y-menu-header {
        font-size: 0.875rem;
        padding-bottom: var(--spacing-md);
        margin-bottom: var(--spacing-sm);
        border-bottom: 1px solid var(--theme-border);
    }

    /* Make options larger on mobile */
    .a11y-option {
        padding: var(--spacing-md);
        font-size: 1rem;
        min-height: 48px;
    }

    .a11y-text-size {
        padding: var(--spacing-md);
    }

    .a11y-text-label {
        font-size: 1rem;
    }

    .a11y-slider-container {
        padding: var(--spacing-sm) 0;
    }

    .a11y-slider {
        height: 6px;
    }

    .a11y-slider::-webkit-slider-thumb {
        width: 24px;
        height: 24px;
    }

    .a11y-slider::-moz-range-thumb {
        width: 24px;
        height: 24px;
    }

    /* Hero Section Mobile */
    .hero {
        min-height: 100vh;
        min-height: 100dvh;
        padding: calc(80px + var(--spacing-2xl)) var(--spacing-lg) var(--spacing-2xl);
    }

    .hero-center {
        padding: 0 var(--spacing-md);
        max-width: 100%;
    }

    .hero-headline {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
    }

    .hero-subtext {
        font-size: 1rem;
        max-width: 100%;
    }

    .hero-shapes {
        opacity: 0.5;
    }

    .shape-1 {
        width: 250px;
        height: 220px;
        left: -50px;
    }

    .shape-2 {
        width: 180px;
        height: 160px;
        right: -30px;
    }

    .shape-3,
    .shape-4,
    .shape-5 {
        display: none;
    }

    /* Projects Section Mobile */
    .projects {
        padding: var(--spacing-3xl) var(--spacing-md);
    }

    .projects-header {
        margin-bottom: var(--spacing-xl);
    }

    .projects-title {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }

    /* Scrollable Filter Chips */
    .filter-chips {
        display: flex;
        flex-wrap: nowrap;
        justify-content: flex-start;
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
        padding: var(--spacing-sm) var(--spacing-md);
        margin: 0 calc(-1 * var(--spacing-md));
        gap: var(--spacing-sm);
        -webkit-overflow-scrolling: touch;
    }

    .filter-chips::-webkit-scrollbar {
        display: none;
    }

    .filter-chip {
        flex-shrink: 0;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.8125rem;
    }

    /* Projects Scroll Container Mobile */
    .projects-scroll-container {
        padding: var(--spacing-lg) 0;
    }

    .projects-scroll-track {
        gap: var(--spacing-md);
        padding: 0 var(--spacing-md);
    }

    .project-card {
        width: 260px;
    }

    .project-image {
        height: 180px;
    }

    .project-info {
        padding: var(--spacing-md);
    }

    .project-name {
        font-size: 0.9375rem;
    }

    .project-subtitle {
        font-size: 0.75rem;
    }

    /* Partners Section Mobile */
    .partners {
        padding: var(--spacing-3xl) var(--spacing-md);
    }

    .partners-title {
        font-size: clamp(1.5rem, 6vw, 2.5rem);
    }

    .partners-watermark {
        font-size: clamp(4rem, 15vw, 8rem);
    }

    .partners-logos {
        gap: var(--spacing-md);
    }

    .partner-logo {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .partner-logo img {
        height: 30px;
        max-width: 100px;
    }

    /* Contact Section Mobile */
    .contact {
        padding: var(--spacing-3xl) var(--spacing-md);
    }

    .contact-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .contact-description {
        font-size: 1rem;
    }

    .contact-links {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }

    .contact-link {
        justify-content: center;
        padding: var(--spacing-md) var(--spacing-lg);
        min-height: 52px;
    }

    /* Footer Mobile */
    .footer {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

/* ========================================
   Responsive - Small Mobile (480px)
======================================== */
@media (max-width: 480px) {

    /* Hero Section Very Small */
    .hero-headline {
        font-size: clamp(1.5rem, 9vw, 2rem);
    }

    .hero-line {
        white-space: normal;
    }

    .hero-subtext {
        font-size: 0.9375rem;
        line-height: 1.6;
    }

    .btn-primary {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-md) var(--spacing-xl);
    }

    /* Projects Very Small */
    .project-card {
        width: 240px;
    }

    .project-image {
        height: 160px;
    }

    /* Static mode for filtered projects - full width on mobile */
    .projects-scroll-container.static-mode .projects-scroll-track {
        max-width: 100%;
        padding: 0 var(--spacing-md);
    }

    .projects-scroll-container.static-mode .project-card {
        width: 100%;
        max-width: 320px;
    }

    /* Partners Very Small */
    .partners-logos {
        justify-content: center;
    }

    .partner-logo {
        flex: 0 0 calc(50% - var(--spacing-sm));
        justify-content: center;
    }

    /* Contact Very Small */
    .contact-link {
        font-size: 0.875rem;
    }

    /* Accessibility Menu Adjustments */
    .a11y-lang-section {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .a11y-lang-toggle {
        width: 100%;
        justify-content: center;
    }
}

/* ========================================
   Responsive - Very Small (360px)
======================================== */
@media (max-width: 360px) {
    .hero-headline {
        font-size: 1.375rem;
    }

    .navbar-container {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .logo-image {
        height: 24px;
    }

    .accessibility-btn,
    .theme-toggle {
        width: 36px;
        height: 36px;
    }

    .project-card {
        width: 220px;
    }
}

/* ========================================
   Safe Area Support (Notched Devices)
======================================== */
@supports (padding: env(safe-area-inset-top)) {
    .navbar {
        top: max(var(--spacing-md), env(safe-area-inset-top));
    }

    .hero {
        padding-top: calc(80px + max(var(--spacing-2xl), env(safe-area-inset-top)));
    }

    .footer {
        padding-bottom: calc(var(--spacing-lg) + env(safe-area-inset-bottom));
    }
}

/* ========================================
   Reduced Motion Preference
======================================== */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .projects-scroll-track {
        animation: none;
    }

    html {
        scroll-behavior: auto;
    }
}

/* ========================================
   Landscape Mode Optimizations
======================================== */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: calc(60px + var(--spacing-lg)) var(--spacing-lg) var(--spacing-lg);
    }

    .hero-headline {
        font-size: 1.5rem;
    }

    .hero-subtext {
        font-size: 0.875rem;
        margin-bottom: var(--spacing-sm);
    }

    .hero-center {
        gap: var(--spacing-md);
    }

    .contact {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }
}