/* ============================================================
   TopUzWeb — Premium Dark Glassmorphism Design System
   ============================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ==========  CSS CUSTOM PROPERTIES  ========== */
:root {
    /* --- Palette --- */
    --bg-primary: #050510;
    --bg-secondary: #0a0a1a;
    --bg-gradient: linear-gradient(135deg, #050510 0%, #0d0d2b 40%, #0a0a1a 100%);

    --glass-bg: rgba(255, 255, 255, 0.06);
    --glass-bg-strong: rgba(255, 255, 255, 0.10);
    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-border-strong: rgba(255, 255, 255, 0.20);
    --glass-hover: rgba(255, 255, 255, 0.14);
    --glass-blur: 24px;
    --glass-blur-strong: 40px;
    --glass-shine: linear-gradient(135deg, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0.0) 50%, rgba(255, 255, 255, 0.05) 100%);
    --glass-inner-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.12), inset 0 -1px 1px rgba(0, 0, 0, 0.15);

    --accent: #6c5ce7;
    --accent-light: #a29bfe;
    --accent-glow: rgba(108, 92, 231, 0.35);
    --neon-cyan: #00cec9;
    --neon-pink: #fd79a8;
    --neon-green: #00b894;

    --text-primary: #f0f0f8;
    --text-secondary: rgba(240, 240, 248, 0.6);
    --text-muted: rgba(240, 240, 248, 0.35);

    /* --- Typography --- */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
    --fs-2xl: 1.5rem;
    --fs-3xl: 2rem;
    --fs-4xl: 2.75rem;
    --fs-5xl: 3.5rem;
    --fs-hero: clamp(2.5rem, 6vw, 4.5rem);

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

    /* --- Radius --- */
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 28px;
    --radius-xl: 40px;
    --radius-full: 9999px;

    /* --- Shadows --- */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px var(--accent-glow);
    --shadow-liquid: 0 8px 32px rgba(0, 0, 0, 0.3), 0 2px 6px rgba(0, 0, 0, 0.2), inset 0 1px 1px rgba(255, 255, 255, 0.1);

    /* --- Transition --- */
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;

    /* --- Layout --- */
    --container-max: 1200px;
    --navbar-height: 72px;
}

/* ==========  RESET & BASE  ========== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background: var(--bg-gradient);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Ambient background orbs */
body::before,
body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    filter: blur(120px);
    opacity: 0.15;
}

body::before {
    width: 600px;
    height: 600px;
    background: var(--accent);
    top: -200px;
    right: -200px;
    animation: floatOrb 20s ease-in-out infinite;
}

body::after {
    width: 500px;
    height: 500px;
    background: var(--neon-cyan);
    bottom: -150px;
    left: -150px;
    animation: floatOrb 25s ease-in-out infinite reverse;
}

@keyframes floatOrb {

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

    33% {
        transform: translate(60px, -40px) scale(1.1);
    }

    66% {
        transform: translate(-40px, 30px) scale(0.95);
    }
}

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

ul,
ol {
    list-style: none;
}

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

/* ==========  UTILITY  ========== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.section {
    padding: var(--space-4xl) 0;
    position: relative;
    z-index: 1;
}

.section-title {
    font-size: var(--fs-3xl);
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--text-primary), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--fs-lg);
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

/* ==========  LIQUID GLASS COMPONENTS  ========== */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--glass-inner-shadow);
}

.glass-card {
    background: rgba(15, 15, 35, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    position: relative;
}

.glass-card:hover {
    background: rgba(20, 20, 45, 0.7);
    border-color: rgba(108, 92, 231, 0.25);
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 20px var(--accent-glow);
}

/* ==========  LIQUID GLASS BUTTONS  ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 14px 32px;
    border: 1px solid var(--glass-border-strong);
    border-radius: var(--radius-full);
    font-family: var(--font-family);
    font-size: var(--fs-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(var(--glass-blur-strong));
    -webkit-backdrop-filter: blur(var(--glass-blur-strong));
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.25),
        inset 0 1px 1px rgba(255, 255, 255, 0.15),
        inset 0 -1px 1px rgba(0, 0, 0, 0.1);
}

/* Top reflective shine streak */
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 50%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0.0) 100%);
    border-radius: inherit;
    pointer-events: none;
    transition: opacity 0.35s ease;
}

/* Animated shimmer on hover */
.btn::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -60%;
    width: 40%;
    height: 200%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
    transform: rotate(25deg);
    transition: left 0.6s ease;
    pointer-events: none;
}

.btn:hover::after {
    left: 120%;
}

.btn:hover {
    transform: translateY(-3px) scale(1.03);
    border-color: rgba(255, 255, 255, 0.30);
    background: rgba(255, 255, 255, 0.12);
    box-shadow:
        0 12px 40px rgba(0, 0, 0, 0.3),
        0 0 30px var(--accent-glow),
        inset 0 1px 2px rgba(255, 255, 255, 0.2),
        inset 0 -1px 1px rgba(0, 0, 0, 0.12);
}

.btn:active {
    transform: translateY(-1px) scale(0.98);
    box-shadow:
        0 4px 16px rgba(0, 0, 0, 0.3),
        inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Primary — liquid glass with accent tint */
.btn-primary {
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.30), rgba(124, 92, 231, 0.15));
    border-color: rgba(162, 155, 254, 0.30);
    color: #fff;
    box-shadow:
        0 8px 32px rgba(108, 92, 231, 0.25),
        inset 0 1px 1px rgba(255, 255, 255, 0.2),
        inset 0 -1px 1px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.40), rgba(0, 206, 201, 0.20));
    border-color: rgba(162, 155, 254, 0.45);
    box-shadow:
        0 12px 45px rgba(108, 92, 231, 0.35),
        0 0 40px rgba(108, 92, 231, 0.2),
        inset 0 1px 2px rgba(255, 255, 255, 0.25),
        inset 0 -1px 1px rgba(0, 0, 0, 0.12);
}

/* Glass variant — even more transparent */
.btn-glass {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--glass-border);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.25);
}

.btn-sm {
    padding: 10px 22px;
    font-size: var(--fs-sm);
}

/* ==========  LIQUID GLASS NAVBAR  ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--navbar-height);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 10, 26, 0.55);
    backdrop-filter: blur(var(--glass-blur-strong));
    -webkit-backdrop-filter: blur(var(--glass-blur-strong));
    border-bottom: 1px solid var(--glass-border-strong);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--fs-xl);
    font-weight: 800;
    color: var(--text-primary);
}

.navbar-brand .logo-icon {
    width: 48px;
    height: 48px;
    background: transparent;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.navbar-brand span {
    background: linear-gradient(135deg, var(--accent-light), var(--neon-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: var(--fs-base);
    transition: var(--transition-fast);
    position: relative;
    padding: var(--space-xs) 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--neon-cyan));
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

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

/* Mobile toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

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

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

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

/* ==========  HERO  ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: var(--navbar-height);
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-3xl) 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(var(--glass-blur-strong));
    -webkit-backdrop-filter: blur(var(--glass-blur-strong));
    border: 1px solid var(--glass-border-strong);
    border-radius: var(--radius-full);
    font-size: var(--fs-sm);
    color: var(--accent-light);
    margin-bottom: var(--space-xl);
    animation: fadeInDown 0.8s ease-out;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2), inset 0 1px 1px rgba(255, 255, 255, 0.1);
}

.hero-badge .pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--neon-green);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.hero h1 {
    font-size: var(--fs-hero);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero h1 .gradient-text {
    background: linear-gradient(135deg, var(--accent-light), var(--neon-cyan), var(--neon-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 5s ease infinite;
}

@keyframes gradientShift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.hero-description {
    font-size: var(--fs-xl);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

/* Floating shapes in hero background */
.hero-bg-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}

.hero-bg-shapes .shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.06;
}

.hero-bg-shapes .shape-1 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    top: 10%;
    left: -100px;
    animation: floatShape 18s ease-in-out infinite;
}

.hero-bg-shapes .shape-2 {
    width: 300px;
    height: 300px;
    background: var(--neon-cyan);
    top: 60%;
    right: -80px;
    animation: floatShape 22s ease-in-out infinite reverse;
}

.hero-bg-shapes .shape-3 {
    width: 200px;
    height: 200px;
    background: var(--neon-pink);
    bottom: 10%;
    left: 30%;
    animation: floatShape 15s ease-in-out infinite 3s;
}

@keyframes floatShape {

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

    25% {
        transform: translate(30px, -50px) rotate(5deg);
    }

    50% {
        transform: translate(-20px, 20px) rotate(-3deg);
    }

    75% {
        transform: translate(40px, 10px) rotate(4deg);
    }
}

/* ==========  ABOUT SECTION  ========== */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.about-card {
    text-align: center;
    padding: var(--space-2xl) var(--space-xl);
}

.about-card .icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-lg);
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.25), rgba(0, 206, 201, 0.15));
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2), inset 0 1px 1px rgba(255, 255, 255, 0.12);
}

.about-card h3 {
    font-size: var(--fs-xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.about-card p {
    color: var(--text-secondary);
    font-size: var(--fs-base);
    line-height: 1.8;
}

/* ==========  STATS SECTION  ========== */
.stats-section {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--glass-border-strong);
    border-bottom: 1px solid var(--glass-border-strong);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), inset 0 -1px 0 rgba(255, 255, 255, 0.03);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
    text-align: center;
}

.stat-item {
    padding: var(--space-xl);
}

.stat-number {
    font-size: var(--fs-4xl);
    font-weight: 900;
    background: linear-gradient(135deg, var(--accent-light), var(--neon-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
}

.stat-label {
    color: var(--text-secondary);
    font-size: var(--fs-base);
    font-weight: 500;
}

/* ==========  FOOTER  ========== */
.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    border-top: 1px solid var(--glass-border);
    position: relative;
    z-index: 1;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--fs-xl);
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.footer-brand .logo-icon {
    width: 40px;
    height: 40px;
    background: transparent;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.footer-desc {
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    line-height: 1.8;
    max-width: 320px;
}

.footer h4 {
    font-size: var(--fs-base);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

.footer-links a {
    display: block;
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    padding: var(--space-xs) 0;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-light);
    transform: translateX(4px);
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border-strong);
    color: var(--text-secondary);
    font-size: var(--fs-lg);
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2), inset 0 1px 1px rgba(255, 255, 255, 0.1);
}

.social-link:hover {
    background: rgba(108, 92, 231, 0.25);
    color: #fff;
    border-color: rgba(162, 155, 254, 0.35);
    transform: translateY(-3px);
    box-shadow: 0 0 25px var(--accent-glow), 0 8px 20px rgba(0, 0, 0, 0.3), inset 0 1px 1px rgba(255, 255, 255, 0.15);
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--fs-sm);
    color: var(--text-muted);
}

/* ==========  SITES PAGE — SEARCH & FILTER  ========== */
.page-header {
    padding: calc(var(--navbar-height) + var(--space-3xl)) 0 var(--space-2xl);
    text-align: center;
}

.search-wrapper {
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
    position: relative;
}

.search-input {
    width: 100%;
    padding: 16px 24px 16px 52px;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(var(--glass-blur-strong));
    -webkit-backdrop-filter: blur(var(--glass-blur-strong));
    border: 1px solid var(--glass-border-strong);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--fs-base);
    outline: none;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2), inset 0 1px 1px rgba(255, 255, 255, 0.1), inset 0 -1px 1px rgba(0, 0, 0, 0.1);
}

.search-input:focus {
    border-color: rgba(162, 155, 254, 0.40);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 25px var(--accent-glow), 0 8px 30px rgba(0, 0, 0, 0.25), inset 0 1px 2px rgba(255, 255, 255, 0.12);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: var(--fs-lg);
    pointer-events: none;
}

/* Category filter pills */
.filter-pills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
}

.hidden-category {
    display: none;
}

.filter-pills.show-all .hidden-category {
    display: block;
}

.filter-pill {
    padding: 10px 22px;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border-strong);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-family: var(--font-family);
    font-size: var(--fs-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15), inset 0 1px 1px rgba(255, 255, 255, 0.08);
}

.filter-pill:hover,
.filter-pill.active {
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.30), rgba(124, 92, 231, 0.18));
    border-color: rgba(162, 155, 254, 0.35);
    color: #fff;
    box-shadow: 0 4px 20px rgba(108, 92, 231, 0.25), inset 0 1px 1px rgba(255, 255, 255, 0.15);
}

.toggle-categories-btn {
    background: transparent;
    border: 1px dashed var(--glass-border-strong);
}

.toggle-categories-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-style: solid;
}

/* ==========  SITE CARDS GRID  ========== */
.sites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.site-card {
    position: relative;
    overflow: hidden;
}

.site-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.site-logo {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid var(--glass-border-strong);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2), inset 0 1px 1px rgba(255, 255, 255, 0.08);
}

.site-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.site-logo .logo-placeholder {
    font-size: 24px;
    font-weight: 800;
    color: var(--accent-light);
}

.site-info h3 {
    font-size: var(--fs-lg);
    font-weight: 700;
    margin-bottom: 2px;
}

.site-category-badge {
    display: inline-flex;
    padding: 3px 12px;
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    font-weight: 600;
    background: rgba(108, 92, 231, 0.15);
    color: var(--accent-light);
    border: 1px solid rgba(108, 92, 231, 0.25);
}

.site-card p {
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
    min-height: 48px;
}

.site-card .btn {
    width: 100%;
}

/* Card glow on hover */
.site-card::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    border-radius: inherit;
    background: linear-gradient(135deg, var(--accent), var(--neon-cyan));
    opacity: 0;
    z-index: -1;
    transition: opacity 0.4s ease;
}

.site-card:hover::before {
    opacity: 0.15;
}

/* No results */
.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-3xl);
    color: var(--text-muted);
    font-size: var(--fs-lg);
}

.no-results .icon {
    font-size: 48px;
    margin-bottom: var(--space-md);
    opacity: 0.4;
}

/* ==========  CONTACT PAGE  ========== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-2xl);
}

.form-section {
    padding: var(--space-2xl);
}

.form-section h3 {
    font-size: var(--fs-2xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.form-section .form-desc {
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    font-size: var(--fs-sm);
}

/* Floating label input group */
.form-group {
    position: relative;
    margin-bottom: var(--space-xl);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 18px 20px 8px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border-strong);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--fs-base);
    outline: none;
    transition: var(--transition);
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.06), inset 0 -1px 1px rgba(0, 0, 0, 0.1);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

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

.form-group select option {
    background: #0a0a1a;
    color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: rgba(162, 155, 254, 0.40);
    background: rgba(255, 255, 255, 0.07);
    box-shadow: 0 0 20px var(--accent-glow), inset 0 1px 2px rgba(255, 255, 255, 0.1);
}

.form-group label {
    position: absolute;
    left: 20px;
    top: 14px;
    color: var(--text-muted);
    font-size: var(--fs-base);
    pointer-events: none;
    transition: var(--transition-fast);
}

.form-group input:focus~label,
.form-group input:not(:placeholder-shown)~label,
.form-group textarea:focus~label,
.form-group textarea:not(:placeholder-shown)~label,
.form-group select:focus~label,
.form-group select:valid~label {
    top: 4px;
    font-size: var(--fs-xs);
    color: var(--accent-light);
}

.form-group .error-msg {
    display: none;
    color: var(--neon-pink);
    font-size: var(--fs-xs);
    margin-top: var(--space-xs);
    padding-left: 4px;
}

.form-group.error input,
.form-group.error textarea {
    border-color: var(--neon-pink);
}

.form-group.error .error-msg {
    display: block;
}

/* Success message overlay */
.form-success {
    display: none;
    position: absolute;
    inset: 0;
    background: rgba(5, 5, 16, 0.92);
    backdrop-filter: blur(12px);
    border-radius: inherit;
    z-index: 10;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.4s ease;
}

.form-success.show {
    display: flex;
}

.form-success .checkmark {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--neon-green), var(--neon-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    margin-bottom: var(--space-lg);
    animation: scaleIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) 0.2s both;
}

.form-success h4 {
    font-size: var(--fs-xl);
    margin-bottom: var(--space-sm);
    animation: fadeInUp 0.5s ease 0.4s both;
}

.form-success p {
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    animation: fadeInUp 0.5s ease 0.5s both;
}

/* ==========  SCROLL REVEAL  ========== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.5, 0, 0, 1),
        transform 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ==========  ANIMATIONS  ========== */
@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 scaleIn {
    from {
        transform: scale(0);
    }

    to {
        transform: scale(1);
    }
}

@keyframes pulse {

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

    50% {
        opacity: 0.5;
        transform: scale(1.5);
    }
}

/* ==========  SCROLLBAR  ========== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: rgba(108, 92, 231, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(108, 92, 231, 0.5);
}

/* ==========  RESPONSIVE  ========== */

/* Tablet */
@media (max-width: 768px) {
    :root {
        --fs-hero: clamp(2rem, 8vw, 3rem);
        --space-4xl: 4rem;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(5, 5, 16, 0.96);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        flex-direction: column;
        justify-content: center;
        gap: var(--space-2xl);
        padding: var(--space-2xl);
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        border-left: 1px solid var(--glass-border);
    }

    .nav-links.open {
        right: 0;
    }

    .nav-links a {
        font-size: var(--fs-xl);
    }

    .nav-toggle {
        display: flex;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

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

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .sites-grid {
        grid-template-columns: 1fr;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .section {
        padding: var(--space-2xl) 0;
    }

    .hero-content {
        padding: var(--space-xl) 0;
    }

    .hero-description {
        font-size: var(--fs-base);
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .filter-pills {
        gap: var(--space-xs);
    }

    .filter-pill {
        padding: 8px 16px;
        font-size: var(--fs-xs);
    }

    .form-section {
        padding: var(--space-lg);
    }
}