/* SOTEV Premium Design System 2026 */
:root {
    --primary: #0f172a;
    --primary-light: #1e293b;
    --accent: #f59e0b;
    --accent-glow: rgba(245, 158, 11, 0.4);
    --secondary: #3b82f6;
    --secondary-glow: rgba(59, 130, 246, 0.4);
    --success: #10b981;
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --bg: #020617;
    --card-bg: rgba(30, 41, 59, 0.7);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --section-padding: 100px 0;
    --radius: 16px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Outfit', 'Inter', sans-serif;
    color: var(--text);
    line-height: 1.6;
    background-color: var(--bg);
    scroll-behavior: smooth;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: var(--section-padding);
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.section-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 4rem;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
}

/* Glassmorphism Utility */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.btn-primary {
    background: var(--accent);
    color: var(--primary);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px var(--accent-glow);
    background: #fbbf24;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

/* Header */
.header {
    background: rgba(2, 6, 23, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 0;
    border-bottom: 1px solid var(--glass-border);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 48px;
    width: auto;
}

.nav-list {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-list a {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.nav-list a:hover {
    color: var(--text);
}

/* Hero Section */
.hero-section {
    position: relative;
    padding: 240px 0 160px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 30% 30%, rgba(59, 130, 246, 0.2), transparent 40%),
                      radial-gradient(circle at 70% 70%, rgba(245, 158, 11, 0.15), transparent 40%);
    z-index: -1;
}

.hero-content {
    max-width: 950px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: clamp(3.5rem, 9vw, 6.5rem);
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 0.9;
    letter-spacing: -0.04em;
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 3.5rem;
    font-weight: 400;
}

.hero-actions {
    display: flex;
    gap: 24px;
    justify-content: center;
}

/* Grids */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px; }

/* Portfolio Items */
.portfolio-grid { display: grid; gap: 32px; }
.portfolio-item {
    padding: 50px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    border-color: rgba(255,255,255,0.2);
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
}

.dev-features li {
    margin-bottom: 12px;
    font-size: 0.95rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 10px;
}

.dev-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

/* Visitor Counter */
.visitor-counter-wrapper {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
}

.visitor-counter {
    padding: 20px 30px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.visitor-counter i {
    font-size: 1.5rem;
    color: var(--accent);
}

.counter-data span {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1;
}

.counter-data small {
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Contact Form */
.contact-form { padding: 60px; display: grid; gap: 30px; }
.form-group label { display: block; margin-bottom: 12px; font-weight: 600; color: var(--text-muted); font-size: 0.85rem; text-transform: uppercase; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--glass-border);
    padding: 18px 24px;
    border-radius: 12px;
    color: #fff;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255,255,255,0.08);
}

/* Footer */
.footer { padding: 120px 0 60px; background: #010410; border-top: 1px solid var(--glass-border); }
.footer-logo { height: 45px; margin-bottom: 30px; }

/* Menu Toggle */
.menu-toggle { display: none; cursor: pointer; font-size: 1.8rem; }

@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .nav-list { display: none; }
}

/* Fade In Animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 1s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}