/* ============================================
   U R C H W I Z   -   Modern Dark Theme
   ============================================ */

/* ----- CSS Variables ----- */
:root {
    --primary: #6c2bd9;
    --primary-dark: #4a1a96;
    --accent: #00d4ff;
    --accent-dark: #0099cc;
    --bg-dark: #ffffff;
    --bg-card: rgba(0,0,0,0.02);
    --bg-card-hover: rgba(0,0,0,0.04);
    --border: rgba(0,0,0,0.08);
    --border-light: rgba(0,0,0,0.12);
    --text-primary: #1a1a2e;
    --text-secondary: #333333;
    --text-muted: #666677;
    --gradient-main: linear-gradient(135deg, var(--primary), var(--accent));
    --gradient-glow: linear-gradient(135deg, rgba(108,43,217,0.4), rgba(0,212,255,0.4));
    --shadow-glow: 0 0 30px rgba(108,43,217,0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-mono: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --header-height: 80px;
}

[data-theme="light"] {
    --bg-dark: #f0f0f8;
    --bg-card: rgba(0,0,0,0.02);
    --bg-card-hover: rgba(0,0,0,0.05);
    --border: rgba(0,0,0,0.06);
    --border-light: rgba(0,0,0,0.1);
    --text-primary: #1a1a2e;
    --text-secondary: #333;
    --text-muted: #666;
}

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

html { scroll-behavior: smooth; }

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

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

::selection { background: var(--primary); color: #fff; }

/* ----- Scrollbar ----- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ----- Container ----- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ----- Preloader ----- */
#preloader {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s, visibility 0.5s;
}
#preloader.hidden { opacity: 0; visibility: hidden; }
.loader { display: flex; gap: 0.5rem; }
.loader-dot {
    width: 16px; height: 16px;
    border-radius: 50%;
    background: var(--gradient-main);
    animation: loaderBounce 1.4s ease-in-out infinite both;
}
.loader-dot:nth-child(1) { animation-delay: 0s; }
.loader-dot:nth-child(2) { animation-delay: 0.16s; }
.loader-dot:nth-child(3) { animation-delay: 0.32s; }

@keyframes loaderBounce {
    0%, 80%, 100% { transform: scale(0); opacity: 0.5; }
    40% { transform: scale(1); opacity: 1; }
}

/* ----- Custom Cursor ----- */
.cursor {
    width: 10px; height: 10px;
    position: fixed; top: 0; left: 0;
    background: var(--accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 99998;
    mix-blend-mode: difference;
    transition: transform 0.1s;
    transform: translate(-50%, -50%);
}
.cursor-follower {
    width: 40px; height: 40px;
    position: fixed; top: 0; left: 0;
    border: 2px solid var(--accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 99997;
    transition: all 0.15s ease-out;
    transform: translate(-50%, -50%);
}
.cursor-follower.hover {
    width: 60px; height: 60px;
    background: rgba(0,212,255,0.08);
    border-color: var(--primary);
}

/* ----- Theme Toggle ----- */
.theme-toggle {
    position: fixed;
    bottom: 90px;
    right: 20px;
    z-index: 1000;
    width: 48px; height: 48px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all var(--transition);
    backdrop-filter: blur(10px);
}
.theme-toggle:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

/* ----- Back to Top ----- */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    width: 48px; height: 48px;
    border-radius: 50%;
    background: var(--gradient-main);
    border: none;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition);
    box-shadow: var(--shadow-glow);
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(108,43,217,0.5); }

/* ----- Floating Shapes ----- */
.floating-shapes {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}
.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.03;
    animation: floatShape 20s infinite ease-in-out;
}
@keyframes floatShape {
    0%, 100% { transform: translate(0, 0) rotate(0deg) scale(1); }
    25% { transform: translate(100px, -100px) rotate(90deg) scale(1.2); }
    50% { transform: translate(-50px, 50px) rotate(180deg) scale(0.8); }
    75% { transform: translate(50px, -50px) rotate(270deg) scale(1.1); }
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    height: var(--header-height);
    transition: all var(--transition);
    background: transparent;
}
.header.scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}
[data-theme="light"] .header.scrolled {
    background: rgba(240, 240, 248, 0.85);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 800;
    font-size: 1.3rem;
}
.logo-icon {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: var(--font-mono);
    font-size: 1.6rem;
}
.logo-text {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.nav-link {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition);
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0; left: 50%;
    width: 0; height: 2px;
    background: var(--gradient-main);
    transition: all var(--transition);
    transform: translateX(-50%);
    border-radius: 2px;
}
.nav-link:hover, .nav-link.active { color: var(--text-primary); }
.nav-link:hover::after, .nav-link.active::after { width: 60%; }

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* ----- Buttons ----- */
.btn-glow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.5rem;
    background: var(--gradient-main);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}
.btn-glow::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent), var(--primary));
    opacity: 0;
    transition: opacity var(--transition);
}
.btn-glow:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(108,43,217,0.4); }
.btn-glow:hover::before { opacity: 1; }
.btn-glow span, .btn-glow i { position: relative; z-index: 1; }
.btn-glow.btn-lg { padding: 1rem 2.2rem; font-size: 1rem; }
.btn-glow.btn-sm { padding: 0.5rem 1.2rem; font-size: 0.85rem; }
.btn-glow.btn-block { width: 100%; justify-content: center; }

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.5rem;
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}
.btn-outline:hover {
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(108,43,217,0.2);
    transform: translateY(-2px);
}
.btn-outline.btn-lg { padding: 1rem 2.2rem; font-size: 1rem; }

.btn-gloss {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(12px);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.btn-gloss:hover {
    background: rgba(255,255,255,0.25);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

/* ----- Hamburger ----- */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: var(--header-height);
}
#particleCanvas {
    position: absolute;
    inset: 0;
    z-index: 1;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(108,43,217,0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(0,212,255,0.1) 0%, transparent 60%);
    z-index: 2;
}
.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1.2rem;
    background: rgba(108,43,217,0.15);
    border: 1px solid rgba(108,43,217,0.3);
    border-radius: 50px;
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}
.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    min-height: 1.2em;
}
.hero-title .gradient-text {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.cursor-blink {
    animation: blink 1s step-end infinite;
    color: var(--accent);
    font-weight: 100;
}
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}
.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 2rem;
}
.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}
.stat-item {
    text-align: center;
}
.stat-item .stat-num {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.stat-item .stat-plus {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.stat-item .stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}
.stat-large .stat-num { font-size: 2.5rem; }
.stat-large .stat-plus { font-size: 2rem; }
.stat-large .stat-label { font-size: 0.9rem; }

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.75rem;
    z-index: 3;
    animation: bounce 2s infinite;
}
.scroll-arrow {
    width: 20px; height: 20px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(45deg);
}
@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ============================================
   SECTION COMMON STYLES
   ============================================ */
.section {
    padding: 6rem 0;
    position: relative;
}
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3.5rem;
}
.section-badge {
    display: inline-block;
    padding: 0.3rem 1rem;
    background: rgba(108,43,217,0.12);
    border: 1px solid rgba(108,43,217,0.25);
    border-radius: 50px;
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
}
.gradient-text {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.section-header p {
    color: var(--text-muted);
    font-size: 1.05rem;
}
.section-footer {
    text-align: center;
    margin-top: 3rem;
}

.page-hero {
    padding: 10rem 0 4rem;
    text-align: center;
    position: relative;
    background: radial-gradient(ellipse at center, rgba(108,43,217,0.1) 0%, transparent 70%);
}
.page-hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
}
.page-hero p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-top: 1rem;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services-grid, .services-grid-full {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}
.service-card, .service-card-full {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}
.service-card::before, .service-card-full::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    right: 0; height: 3px;
    background: var(--gradient-main);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}
.service-card:hover::before, .service-card-full:hover::before { transform: scaleX(1); }
.service-card:hover, .service-card-full:hover {
    transform: translateY(-6px);
    border-color: rgba(108,43,217,0.3);
    box-shadow: 0 12px 40px rgba(108,43,217,0.1);
    background: var(--bg-card-hover);
}
.service-icon {
    width: 60px; height: 60px;
    border-radius: var(--radius-md);
    background: rgba(108,43,217,0.12);
    border: 1px solid rgba(108,43,217,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1.2rem;
    transition: all var(--transition);
}
.service-card:hover .service-icon, .service-card-full:hover .service-icon {
    background: var(--gradient-main);
    color: #fff;
    border-color: transparent;
}
.service-card h3, .service-card-full h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
}
.service-card p, .service-card-full p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}
.card-link {
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: gap var(--transition);
}
.card-link:hover { gap: 0.8rem; }

.service-badge {
    display: inline-block;
    padding: 0.2rem 0.8rem;
    border-radius: 50px;
    font-size: 0.75rem;
    background: rgba(108,43,217,0.12);
    color: var(--primary);
    border: 1px solid rgba(108,43,217,0.2);
}

.services-categories {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

/* ----- Process Steps ----- */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
}
.process-step {
    text-align: center;
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
}
.process-step:hover {
    transform: translateY(-4px);
    border-color: rgba(108,43,217,0.3);
}
.step-num {
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
    line-height: 1;
    font-family: var(--font-mono);
}
.process-step h3 { margin-bottom: 0.5rem; }
.process-step p { color: var(--text-muted); font-size: 0.9rem; }

/* ============================================
   PORTFOLIO
   ============================================ */
.portfolio-grid, .portfolio-grid-full {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
}
.portfolio-placeholder {
    font-size: 3rem;
    color: rgba(255,255,255,0.2);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.portfolio-card {
    border-radius: 20px;
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    perspective: 1000px;
}
.portfolio-card::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 22px;
    background: linear-gradient(135deg, var(--primary), var(--accent), var(--primary));
    background-size: 300% 300%;
    opacity: 0;
    z-index: -1;
    transition: opacity 0.4s;
    animation: gradientShift 3s ease infinite;
}
.portfolio-card:hover::before { opacity: 1; }
@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
.portfolio-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 60px rgba(108,43,217,0.25), 0 0 40px rgba(0,212,255,0.1);
    border-color: transparent;
}
.portfolio-card-image {
    height: 240px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.portfolio-card-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 50%, rgba(10,10,26,0.4) 100%);
    pointer-events: none;
}
.portfolio-card-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.portfolio-card:hover .portfolio-card-image img { transform: scale(1.15); }
.portfolio-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(108,43,217,0.85), rgba(0,212,255,0.85));
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(6px);
}
.portfolio-card:hover .portfolio-card-overlay { opacity: 1; }
.portfolio-card-actions { display: flex; gap: 0.8rem; transform: translateY(20px); transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.portfolio-card:hover .portfolio-card-actions { transform: translateY(0); }
.portfolio-card-info {
    padding: 1.5rem 1.2rem 1.2rem;
    position: relative;
}
.portfolio-card-info::before {
    content: '';
    position: absolute;
    top: 0; left: 1.2rem; right: 1.2rem;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent), transparent);
    opacity: 0;
    transition: opacity 0.4s;
}
.portfolio-card:hover .portfolio-card-info::before { opacity: 1; }
.portfolio-badge {
    display: inline-block;
    padding: 0.25rem 0.8rem;
    border-radius: 50px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.portfolio-card-info h3 {
    font-size: 1.1rem;
    font-weight: 700;
    transition: color 0.3s;
}
.portfolio-card:hover .portfolio-card-info h3 { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.portfolio-desc { color: var(--text-muted); font-size: 0.8rem; line-height: 1.5; margin-top: 0.3rem; }
.portfolio-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.6rem; }
.portfolio-tech { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.7rem; }
.tech-pill {
    display: inline-block;
    padding: 0.2rem 0.7rem;
    background: rgba(108,43,217,0.08);
    border: 1px solid rgba(108,43,217,0.15);
    border-radius: 50px;
    font-size: 0.7rem;
    color: var(--primary);
    font-weight: 500;
    transition: all 0.3s;
}
.portfolio-card:hover .tech-pill {
    background: rgba(108,43,217,0.15);
    border-color: rgba(108,43,217,0.3);
    transform: translateY(-1px);
}
.type-badge { display: inline-flex; align-items: center; gap: 0.3rem; font-size: 0.7rem; font-weight: 600; padding: 0.25rem 0.8rem; border-radius: 50px; }
.type-real { background: rgba(81,207,102,0.12); color: #51cf66; border: 1px solid rgba(81,207,102,0.25); }
.type-mockup { background: rgba(255,169,77,0.12); color: #ffa94d; border: 1px solid rgba(255,169,77,0.25); }
.modal-top { margin-bottom: 1rem; }
.modal-tech { margin-top: 1rem; display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.modal-tech strong { font-size: 0.85rem; color: var(--text-muted); }

/* ----- Modal ----- */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(10,10,26,0.85);
    backdrop-filter: blur(16px);
    align-items: center;
    justify-content: center;
    padding: 2rem;
}
.modal.show { display: flex; }
.modal-content {
    background: linear-gradient(135deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
    border: 1px solid rgba(108,43,217,0.3);
    border-radius: 24px;
    padding: 2.5rem;
    max-width: 600px;
    width: 100%;
    position: relative;
    animation: modalIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 30px 80px rgba(108,43,217,0.15), inset 0 1px 0 rgba(255,255,255,0.05);
    overflow: hidden;
}
.modal-content::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
    background-size: 200% 100%;
    animation: shimmer 2s linear infinite;
}
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}
@keyframes modalIn {
    from { transform: scale(0.85) translateY(30px); opacity: 0; }
    to { transform: scale(1) translateY(0); opacity: 1; }
}
.modal-close {
    position: absolute;
    top: 1.2rem; right: 1.2rem;
    width: 36px; height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}
.modal-close:hover { background: rgba(255,107,107,0.15); color: #ff6b6b; border-color: rgba(255,107,107,0.3); }
.modal-content h2 { margin-bottom: 1rem; font-size: 1.5rem; }
.modal-content p { color: var(--text-muted); line-height: 1.8; font-size: 0.95rem; }

/* ============================================
   CLASSES
   ============================================ */
.class-categories {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}
.class-filter {
    padding: 0.6rem 1.4rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50px;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.class-filter:hover { border-color: var(--primary); color: var(--text-primary); }
.class-filter.active {
    background: var(--gradient-main);
    border-color: transparent;
    color: #fff;
}

.classes-grid, .classes-grid-full {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}
.class-card, .class-card-large {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all var(--transition);
    position: relative;
}
.class-card:hover, .class-card-large:hover {
    transform: translateY(-6px);
    border-color: rgba(108,43,217,0.3);
    box-shadow: 0 12px 40px rgba(108,43,217,0.1);
}
.class-icon {
    width: 48px; height: 48px;
    border-radius: var(--radius-md);
    background: rgba(108,43,217,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 1rem;
}
.class-badge {
    display: inline-block;
    padding: 0.2rem 0.7rem;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    background: rgba(108,43,217,0.12);
    color: var(--primary);
}
.class-badge.backend { background: rgba(0,212,255,0.12); color: var(--accent); }
.class-card h3, .class-card-large h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.class-card p, .class-card-large p { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 1rem; }
.class-meta, .class-meta-full {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}
.class-meta span, .class-meta-full span { display: flex; align-items: center; gap: 0.4rem; }

.class-card-large { padding: 0; overflow: hidden; }
.class-card-header {
    padding: 2rem 1.5rem;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.class-icon-lg { font-size: 2.5rem; }
.class-card-body { padding: 1.5rem; }

/* Tech Stacks */
.tech-stacks {
    text-align: center;
    margin-bottom: 3rem;
}
.tech-stacks h3 {
    margin: 1.5rem 0 1rem;
    font-size: 1.2rem;
}
.tech-tags {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}
.tech-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    transition: all var(--transition);
}
.tech-tag:hover {
    border-color: rgba(108,43,217,0.3);
    transform: translateY(-2px);
}

/* ============================================
   ABOUT
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.about-content .section-badge { margin-bottom: 1rem; }
.about-content h2 { font-size: 2.5rem; font-weight: 800; margin-bottom: 1.5rem; }
.about-content p { color: var(--text-muted); line-height: 1.8; margin-bottom: 2rem; overflow-wrap: break-word; }

.about-features { display: grid; gap: 1rem; }
.about-feature {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.95rem;
}
.about-feature i { color: var(--accent); font-size: 1.1rem; }

.about-visual {
    min-width: 0;
    overflow: hidden;
}

.code-window {
    background: #0d0d1a;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    max-width: 100%;
    box-sizing: border-box;
}
.code-header {
    display: flex;
    gap: 0.5rem;
    padding: 0.8rem 1rem;
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid var(--border);
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: #ff6b6b; }
.dot.yellow { background: #ffd93d; }
.dot.green { background: #51cf66; }
.code-body {
    padding: 1.5rem;
    overflow-x: hidden;
}
.code-body pre {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.8;
    color: #c0c0d0;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-x: hidden;
}
.code-keyword { color: var(--primary); }
.code-prop { color: var(--accent); }
.code-string { color: #51cf66; }

/* Staff Grid */
.staff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}
.staff-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
}
.staff-card:hover {
    transform: translateY(-6px);
    border-color: rgba(108,43,217,0.3);
    box-shadow: 0 12px 40px rgba(108,43,217,0.1);
}
.staff-image {
    height: 250px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.staff-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.staff-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: rgba(108,43,217,0.2);
    border: 3px solid rgba(108,43,217,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
}
.staff-social {
    position: absolute;
    bottom: 1rem;
    display: flex;
    gap: 0.5rem;
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition);
}
.staff-card:hover .staff-social { opacity: 1; transform: translateY(0); }
.staff-social-link {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.85rem;
    transition: all var(--transition);
}
.staff-social-link:hover { background: var(--gradient-main); border-color: transparent; }
.staff-info { padding: 1.5rem; }
.staff-info h3 { font-size: 1.1rem; margin-bottom: 0.3rem; }
.staff-role { font-size: 0.85rem; font-weight: 600; display: block; margin-bottom: 0.8rem; }
.staff-info p { color: var(--text-muted); font-size: 0.85rem; line-height: 1.6; }

/* Stats Section */
.stats-section {
    background: radial-gradient(ellipse at center, rgba(108,43,217,0.08) 0%, transparent 70%);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}
.stat-large i {
    font-size: 2.5rem;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
    margin-bottom: 0.8rem;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
}
.contact-info-panel h2 { font-size: 2rem; margin-bottom: 1rem; }
.contact-info-panel > p { color: var(--text-muted); margin-bottom: 2rem; }
.contact-details { display: grid; gap: 1.5rem; margin-bottom: 2rem; }
.contact-detail { display: flex; gap: 1rem; align-items: flex-start; }
.contact-icon {
    width: 48px; height: 48px;
    min-width: 48px;
    border-radius: var(--radius-md);
    background: rgba(108,43,217,0.12);
    border: 1px solid rgba(108,43,217,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
}
.contact-detail h4 { font-size: 0.9rem; margin-bottom: 0.2rem; }
.contact-detail a, .contact-detail p { color: var(--text-muted); font-size: 0.9rem; }
.contact-detail a:hover { color: var(--accent); }
.contact-social h4 { margin-bottom: 0.8rem; }
.social-links { display: flex; gap: 0.6rem; }
.social-link {
    width: 42px; height: 42px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 1rem;
    transition: all var(--transition);
}
.social-link:hover {
    background: var(--gradient-main);
    border-color: transparent;
    color: #fff;
    transform: translateY(-3px);
}

.contact-form-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
}
.contact-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.contact-form .form-group { margin-bottom: 1.2rem; }
.contact-form label { display: block; margin-bottom: 0.5rem; font-size: 0.85rem; color: var(--text-muted); }
.contact-form label .required { color: #ff6b6b; }
.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: var(--font-sans);
    transition: all var(--transition);
}
.contact-form input:focus, .contact-form textarea:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(108,43,217,0.15);
}
.contact-form textarea { resize: vertical; min-height: 120px; }

.alert {
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.9rem;
}
.alert-success { background: rgba(81,207,102,0.1); border: 1px solid rgba(81,207,102,0.2); color: #51cf66; }
.alert-error { background: rgba(255,107,107,0.1); border: 1px solid rgba(255,107,107,0.2); color: #ff6b6b; }

.map-container {
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border);
    height: 400px;
}
.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ============================================
   FAQ
   ============================================ */
.faq-search {
    position: relative;
    max-width: 500px;
    margin: 0 auto 3rem;
}
.faq-search i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}
.faq-search input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all var(--transition);
}
.faq-search input:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(108,43,217,0.15);
}
.faq-list { max-width: 800px; margin: 0 auto; display: grid; gap: 1rem; }
.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition);
}
.faq-item:hover { border-color: rgba(108,43,217,0.2); }
.faq-question {
    width: 100%;
    padding: 1.2rem 1.5rem;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    text-align: left;
    gap: 1rem;
}
.faq-question i {
    transition: transform var(--transition);
    color: var(--text-muted);
    font-size: 0.8rem;
    flex-shrink: 0;
}
.faq-question[aria-expanded="true"] i { transform: rotate(180deg); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 1.5rem 1.2rem;
}
.faq-answer p {
    color: var(--text-muted);
    line-height: 1.7;
    font-size: 0.9rem;
}
.faq-cta {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
}
.faq-cta h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.faq-cta p { color: var(--text-muted); margin-bottom: 1.5rem; }

/* ============================================
   CTA
   ============================================ */
.cta-section {
    background: radial-gradient(ellipse at center, rgba(108,43,217,0.1) 0%, transparent 70%);
}
.cta-content {
    text-align: center;
    padding: 3rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    max-width: 800px;
    margin: 0 auto;
}
.cta-content h2 {
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 1rem;
}
.cta-content p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}
.cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 4rem 0 0;
    border-top: 1px solid var(--border);
    position: relative;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    padding-bottom: 3rem;
}
.footer-brand .logo { margin-bottom: 1rem; display: inline-flex; }
.footer-desc { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; margin-bottom: 1.5rem; }
.footer-col h4 {
    font-size: 1rem;
    margin-bottom: 1.2rem;
    color: var(--text-primary);
}
.footer-col ul li { margin-bottom: 0.7rem; }
.footer-col ul li a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--accent); }
.contact-info li {
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
    color: var(--text-muted);
    font-size: 0.9rem;
}
.contact-info li i {
    color: var(--accent);
    margin-top: 0.2rem;
    width: 16px;
}
.footer-bottom {
    padding: 1.5rem 0;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ============================================
   CHAT WIDGET
   ============================================ */
.chat-widget {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 1000;
}
.chat-toggle {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: var(--gradient-main);
    border: none;
    color: #fff;
    font-size: 1.4rem;
    cursor: pointer;
    box-shadow: var(--shadow-glow);
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}
.chat-toggle:hover { transform: scale(1.1); box-shadow: 0 8px 30px rgba(108,43,217,0.5); }

.chat-box {
    position: absolute;
    bottom: 70px;
    left: 0;
    width: 340px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
    overflow: hidden;
    display: none;
    animation: slideUp 0.3s ease-out;
}
.chat-box.open { display: block; }
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.2rem;
    background: var(--gradient-main);
    color: #fff;
}
.chat-header h4 { font-size: 0.95rem; display: flex; align-items: center; gap: 0.5rem; }
.chat-header button {
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    font-size: 1rem;
    opacity: 0.8;
}
.chat-header button:hover { opacity: 1; }
.chat-messages {
    padding: 1rem;
    height: 280px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}
.chat-msg {
    max-width: 80%;
    padding: 0.7rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    line-height: 1.5;
    animation: msgIn 0.3s ease-out;
}
@keyframes msgIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.chat-msg.bot {
    background: rgba(108,43,217,0.12);
    border: 1px solid rgba(108,43,217,0.2);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}
.chat-msg.user {
    background: var(--gradient-main);
    color: #fff;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}
.chat-input-area {
    display: flex;
    padding: 0.8rem;
    border-top: 1px solid var(--border);
    gap: 0.5rem;
}
.chat-input-area input {
    flex: 1;
    padding: 0.6rem 1rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    border-radius: 50px;
    color: var(--text-primary);
    font-size: 0.85rem;
}
.chat-input-area input:focus { outline: none; border-color: var(--primary); }
.chat-input-area button {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: var(--gradient-main);
    border: none;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}
.chat-input-area button:hover { transform: scale(1.1); }

.chat-quick-replies {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0.6rem 0.8rem 0;
}
.chat-quick-btn {
    padding: 0.35rem 0.7rem;
    background: rgba(108,43,217,0.1);
    border: 1px solid rgba(108,43,217,0.25);
    border-radius: 50px;
    color: var(--primary);
    font-size: 0.72rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}
.chat-quick-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-1px);
}

/* ----- WhatsApp Float Button ----- */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1001;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #25d366;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
}
.whatsapp-float:hover {
    transform: scale(1.1) translateY(-3px);
    box-shadow: 0 8px 30px rgba(37,211,102,0.5);
    color: #fff;
}
.whatsapp-float::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid rgba(37,211,102,0.3);
    animation: whatsappPulse 2s ease-in-out infinite;
}
@keyframes whatsappPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.15); opacity: 0; }
}
@media (max-width: 768px) {
    .whatsapp-float { width: 52px; height: 52px; font-size: 1.6rem; bottom: 16px; right: 16px; }
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}
.empty-state i {
    font-size: 4rem;
    color: var(--text-muted);
    opacity: 0.3;
    margin-bottom: 1rem;
    display: block;
}
.empty-state h3 { font-size: 1.3rem; margin-bottom: 0.5rem; }
.empty-state p { color: var(--text-muted); }

/* ============================================
   AI AUTOMATION - EYE-CATCHING STYLES
   ============================================ */
.ai-card-highlight {
    position: relative;
    border-color: rgba(255,71,87,0.3) !important;
    background: linear-gradient(135deg, rgba(255,71,87,0.03), rgba(255,71,87,0.01)) !important;
}
.ai-card-highlight::before {
    content: '' !important;
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px !important;
    background: linear-gradient(90deg, #ff4757, #ff6b81, #ff4757) !important;
    transform: scaleX(1) !important;
    animation: aiGlowShift 3s ease-in-out infinite !important;
}
.ai-card-highlight::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(255,71,87,0.2), transparent, rgba(255,107,129,0.2));
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
    animation: aiPulse 3s ease-in-out infinite;
}
.ai-card-highlight:hover::after { opacity: 1; }
.ai-card-highlight:hover {
    transform: translateY(-8px) !important;
    border-color: rgba(255,71,87,0.5) !important;
    box-shadow: 0 16px 50px rgba(255,71,87,0.2), 0 0 30px rgba(255,71,87,0.1) !important;
}
@keyframes aiGlowShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}
@keyframes aiPulse {
    0%, 100% { opacity: 0; }
    50% { opacity: 0.5; }
}

.service-badge-ai {
    background: rgba(255,71,87,0.12) !important;
    color: #ff4757 !important;
    border: 1px solid rgba(255,71,87,0.3) !important;
    animation: aiBadgePulse 2s ease-in-out infinite;
}
@keyframes aiBadgePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255,71,87,0.3); }
    50% { box-shadow: 0 0 12px 2px rgba(255,71,87,0.2); }
}

.class-badge-ai {
    animation: aiBadgePulse 2s ease-in-out infinite;
}

.ai-tech-tag {
    border-color: rgba(255,71,87,0.25) !important;
    background: rgba(255,71,87,0.06) !important;
}
.ai-tech-tag:hover {
    border-color: rgba(255,71,87,0.5) !important;
    box-shadow: 0 4px 15px rgba(255,71,87,0.15) !important;
}

.filter-new-badge {
    display: inline-block;
    padding: 0.1rem 0.45rem;
    background: linear-gradient(135deg, #ff4757, #ff6b81);
    color: #fff;
    font-size: 0.6rem;
    font-weight: 700;
    border-radius: 50px;
    letter-spacing: 0.05em;
    line-height: 1;
    animation: newBadgeBounce 2s ease-in-out infinite;
}
@keyframes newBadgeBounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* ----- AI Highlight Section (Homepage) ----- */
.ai-highlight-section {
    background: radial-gradient(ellipse at 30% 50%, rgba(255,71,87,0.06) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(255,107,129,0.04) 0%, transparent 60%);
    overflow: hidden;
}
.ai-highlight-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}
.ai-highlight-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1.2rem;
    background: rgba(255,71,87,0.12);
    border: 1px solid rgba(255,71,87,0.3);
    border-radius: 50px;
    color: #ff4757;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}
.ai-highlight-content h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 1.2rem;
    line-height: 1.2;
}
.ai-gradient-text {
    background: linear-gradient(135deg, #ff4757, #ff6b81, #ff4757);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: aiGradientShift 3s ease infinite;
}
@keyframes aiGradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
.ai-highlight-content > p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}
.ai-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
    margin-bottom: 2rem;
}
.ai-feature {
    display: flex;
    gap: 0.8rem;
    align-items: flex-start;
    padding: 1rem;
    background: rgba(255,71,87,0.04);
    border: 1px solid rgba(255,71,87,0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition);
}
.ai-feature:hover {
    background: rgba(255,71,87,0.08);
    border-color: rgba(255,71,87,0.25);
    transform: translateY(-2px);
}
.ai-feature-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: var(--radius-sm);
    background: rgba(255,71,87,0.12);
    border: 1px solid rgba(255,71,87,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ff4757;
    font-size: 1rem;
}
.ai-feature h4 {
    font-size: 0.9rem;
    margin-bottom: 0.2rem;
}
.ai-feature p {
    color: var(--text-muted);
    font-size: 0.8rem;
    line-height: 1.4;
}
.ai-highlight-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}
.btn-ai {
    background: linear-gradient(135deg, #ff4757, #ff6b81) !important;
}
.btn-ai:hover {
    box-shadow: 0 8px 30px rgba(255,71,87,0.4) !important;
}
.btn-ai::before {
    background: linear-gradient(135deg, #ff6b81, #ff4757) !important;
}
.btn-ai-outline {
    border-color: rgba(255,71,87,0.3) !important;
    color: #ff4757 !important;
}
.btn-ai-outline:hover {
    border-color: #ff4757 !important;
    box-shadow: 0 0 20px rgba(255,71,87,0.2) !important;
}

/* AI Orb Visual */
.ai-highlight-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}
.ai-orb {
    position: relative;
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.ai-orb-core {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ff4757, #ff6b81);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: #fff;
    z-index: 2;
    box-shadow: 0 0 40px rgba(255,71,87,0.4), 0 0 80px rgba(255,71,87,0.15);
    animation: aiCorePulse 3s ease-in-out infinite;
}
@keyframes aiCorePulse {
    0%, 100% { box-shadow: 0 0 40px rgba(255,71,87,0.4), 0 0 80px rgba(255,71,87,0.15); }
    50% { box-shadow: 0 0 60px rgba(255,71,87,0.6), 0 0 120px rgba(255,71,87,0.25); }
}
.ai-orb-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(255,71,87,0.15);
}
.ai-orb-ring-1 {
    width: 250px; height: 250px;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    animation: aiRingSpin 12s linear infinite;
}
.ai-orb-ring-2 {
    width: 320px; height: 320px;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    border-style: dashed;
    animation: aiRingSpin 20s linear infinite reverse;
}
.ai-orb-ring-3 {
    width: 390px; height: 390px;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    border-color: rgba(255,71,87,0.08);
    animation: aiRingSpin 30s linear infinite;
}
@keyframes aiRingSpin {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}
.ai-float-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    background: var(--bg-card);
    border: 1px solid rgba(255,71,87,0.2);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: #ff4757;
    white-space: nowrap;
    box-shadow: 0 8px 25px rgba(255,71,87,0.1);
    backdrop-filter: blur(10px);
    animation: aiFloat 4s ease-in-out infinite;
}
.ai-float-card i { font-size: 0.9rem; }
.ai-float-1 { top: 15%; right: 10%; animation-delay: 0s; }
.ai-float-2 { bottom: 25%; right: 5%; animation-delay: 1s; }
.ai-float-3 { top: 20%; left: 5%; animation-delay: 2s; }
.ai-float-4 { bottom: 15%; left: 10%; animation-delay: 3s; }
@keyframes aiFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@media (max-width: 992px) {
    .ai-highlight-grid { grid-template-columns: 1fr; text-align: center; }
    .ai-features { grid-template-columns: 1fr; }
    .ai-highlight-actions { justify-content: center; }
    .ai-highlight-visual { min-height: 300px; }
    .ai-float-card { display: none; }
}
@media (max-width: 768px) {
    .ai-highlight-visual { min-height: 250px; }
    .ai-orb-core { width: 80px; height: 80px; font-size: 2rem; }
    .ai-orb-ring-1 { width: 200px; height: 200px; }
    .ai-orb-ring-2 { width: 260px; height: 260px; }
    .ai-orb-ring-3 { width: 320px; height: 320px; }
}

/* ============================================
   HIDDEN ITEMS FOR FILTER
   ============================================ */
.service-card.hidden,
.service-card-full.hidden,
.portfolio-card.hidden,
.class-card.hidden,
.class-card-large.hidden,
.tech-block.hidden,
.ai-card-highlight.hidden {
    display: none;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 992px) {
    .about-grid { grid-template-columns: 1fr; gap: 2rem; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0; right: 0;
        background: rgba(10,10,26,0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 0.5rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition);
        border-bottom: 1px solid var(--border);
    }
    .nav-menu.open { transform: translateY(0); opacity: 1; visibility: visible; }
    .hamburger { display: flex; }

    .hero-stats { gap: 1.5rem; }
    .portfolio-grid, .portfolio-grid-full { grid-template-columns: 1fr; }
    .classes-grid, .classes-grid-full { grid-template-columns: 1fr; }
    .services-grid, .services-grid-full { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .staff-grid { grid-template-columns: 1fr; }
    .contact-form .form-row { grid-template-columns: 1fr; }
    .process-steps { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .chat-box { width: calc(100vw - 40px); }
    .cursor, .cursor-follower { display: none; }

    .about-grid { gap: 2rem; }
    .about-content h2 { font-size: 1.8rem; }
    .about-content p { font-size: 0.9rem; }
    .about-feature { font-size: 0.85rem; }
    .about-visual { width: 100%; overflow: hidden; }
    .code-window { width: 100%; max-width: 100%; }
    .code-body { padding: 1rem; overflow: hidden; }
    .code-body pre { font-size: 0.65rem; white-space: pre-wrap; word-break: break-all; overflow-wrap: break-word; }
    .staff-grid { gap: 1.5rem; }
}