/* ===========================
   GNL324 — CSS Styles
   =========================== */

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

:root {
    --bg: #0a0a0f;
    --surface: #12121a;
    --surface-light: #1a1a2e;
    --surface-lighter: #252540;
    --primary: #8b5cf6;
    --primary-light: #a78bfa;
    --accent: #06b6d4;
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --border: #1e1e2e;
    --success: #22c55e;
    --error: #ef4444;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: 'Space Grotesk', system-ui, sans-serif;
    line-height: 1.2;
}

/* ---- Background ---- */
.bg-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(139, 92, 246, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(139, 92, 246, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

.bg-glow {
    position: fixed;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background:
        radial-gradient(circle at 30% 30%, rgba(139, 92, 246, 0.07) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(6, 182, 212, 0.04) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
    animation: pulse 20s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* ---- Layout ---- */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    position: relative;
    z-index: 1;
    padding: 100px 0;
}

.section-dark {
    background: var(--surface);
}

.section-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    margin-bottom: 48px;
    color: var(--text);
}

/* ---- Navigation ---- */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-mark {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Space Grotesk', monospace;
    font-size: 13px;
    font-weight: 700;
    color: white;
}

.logo-text {
    font-family: 'Space Grotesk', system-ui;
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 8px;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 6px;
    transition: all 0.2s;
}

.nav-link:hover {
    color: var(--text);
    background: var(--surface-light);
}

.nav-cta {
    background: var(--primary);
    color: white;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.2s;
}

.nav-cta:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
}

/* ---- Hero ---- */
.hero {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 120px 24px 80px;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 6px 14px;
    border-radius: 100px;
    margin-bottom: 32px;
}

.label-dot {
    width: 7px;
    height: 7px;
    background: var(--success);
    border-radius: 50%;
    animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero-title {
    font-size: clamp(40px, 7vw, 80px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -2px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--text-muted);
    max-width: 560px;
    line-height: 1.7;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    font-family: 'Inter', sans-serif;
}

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

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.3);
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    background: var(--surface);
    border-color: var(--surface-lighter);
}

.btn-full {
    width: 100%;
}

/* ---- Services ---- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}

.service-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    transition: all 0.2s;
}

.service-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(139, 92, 246, 0.1);
}

.service-icon {
    width: 48px;
    height: 48px;
    background: var(--surface-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: var(--primary);
}

.service-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.service-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ---- Tech Stack ---- */
.stack-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.stack-tag {
    background: var(--surface-light);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 6px;
    font-family: 'Space Grotesk', monospace;
}

/* ---- Work ---- */
.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.work-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.2s;
}

.work-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
}

.work-card-inner {
    padding: 28px;
}

.work-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(6, 182, 212, 0.1);
    padding: 3px 10px;
    border-radius: 4px;
    margin-bottom: 12px;
}

.work-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.work-card p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.work-link {
    font-size: 13px;
    color: var(--primary);
    font-weight: 500;
}

/* ---- Contact ---- */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-description {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 24px;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 14px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    color: var(--text);
    transition: all 0.2s;
    outline: none;
    -webkit-appearance: none;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

.form-group select option {
    background: var(--surface);
}

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

.form-status {
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    padding: 10px;
    border-radius: 8px;
    display: none;
}

.form-status.success {
    display: block;
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
}

.form-status.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

/* ---- Footer ---- */
.footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border);
    padding: 40px 0;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--text);
}

.footer-copy {
    font-size: 13px;
    color: var(--text-dim);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-title { letter-spacing: -1px; }
    .contact-wrapper { grid-template-columns: 1fr; gap: 40px; }
    .footer-inner { flex-direction: column; text-align: center; }
    .section { padding: 60px 0; }
}