/* ===== BASE ===== */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-card: #16161f;
    --bg-card-hover: #1c1c28;
    --text-primary: #f0f0f5;
    --text-secondary: #8888a0;
    --text-muted: #55556a;
    --accent-cyan: #00d4ff;
    --accent-orange: #f5a623;
    --accent-gradient: linear-gradient(135deg, #00d4ff, #7b2ff7, #f5a623);
    --border-color: #1e1e2e;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
}

.nav-logo-img {
    height: 32px;
    width: 32px;
    border-radius: 6px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.2s;
}

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

.nav-cta {
    background: var(--accent-gradient);
    color: var(--bg-primary) !important;
    padding: 8px 20px;
    border-radius: 8px;
    font-weight: 600 !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: 0.3s;
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 80px;
    gap: 60px;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
}

.hero-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(123, 47, 247, 0.04) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.hero-content {
    flex: 1;
}

.hero-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 480px;
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.hero-visual {
    flex: 1;
    max-width: 480px;
}

/* ===== CODE BLOCK ===== */
.code-block {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    font-size: 0.85rem;
}

.code-header {
    display: flex;
    gap: 6px;
    padding: 12px 16px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.code-block pre {
    padding: 20px;
    overflow-x: auto;
}

.code-block code {
    font-family: 'SF Mono', 'Fira Code', monospace;
    line-height: 1.8;
    color: var(--text-secondary);
}

.code-keyword { color: #c792ea; }
.code-class { color: #ffcb6b; }
.code-func { color: #82aaff; }
.code-string { color: #c3e88d; }
.code-comment { color: var(--text-muted); }

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    font-family: var(--font);
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--bg-primary);
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    border-color: var(--text-secondary);
    background: var(--bg-card);
}

.btn-full {
    width: 100%;
    text-align: center;
}

/* ===== FEATURES ===== */
.features {
    padding: 100px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 36px;
    transition: all 0.3s;
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(0, 212, 255, 0.15);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ===== PAGE HEADER ===== */
.page-header {
    padding: 140px 0 60px;
    text-align: center;
}

.page-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

/* ===== SERVICES ===== */
.services {
    padding: 40px 0 100px;
}

.service-block {
    display: flex;
    gap: 40px;
    padding: 48px 0;
    border-bottom: 1px solid var(--border-color);
}

.service-block:last-child {
    border-bottom: none;
}

.service-number {
    font-size: 4rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    min-width: 100px;
}

.service-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.service-content p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.service-list li {
    color: var(--text-secondary);
    font-size: 0.95rem;
    padding-left: 20px;
    position: relative;
}

.service-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-cyan);
}

/* ===== ABOUT / STORY ===== */
.about-story {
    padding: 40px 0 100px;
}

.story-block {
    max-width: 720px;
    margin: 0 auto 60px;
}

.story-block h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.story-block p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

.story-block strong {
    color: var(--text-primary);
}

/* ===== STATS ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin: 60px 0;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ===== CONTACT ===== */
.contact-section {
    padding: 40px 0 100px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 36px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-method {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-icon {
    font-size: 1.5rem;
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border-radius: 10px;
}

.contact-method h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-method p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.contact-link {
    color: var(--accent-cyan);
    font-weight: 500;
    font-size: 0.95rem;
}

.contact-link:hover {
    text-decoration: underline;
}

/* ===== FORM ===== */
.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 36px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

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

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

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

/* ===== CTA SECTION ===== */
.cta-section {
    padding: 80px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.cta-section h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-section p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 520px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

/* ===== FOOTER ===== */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 48px 0 32px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo {
    height: 28px;
    width: 28px;
    border-radius: 6px;
}

.footer-brand p {
    font-weight: 600;
    font-size: 0.95rem;
}

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

.footer-links a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: color 0.2s;
}

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

.footer-social a {
    font-size: 0.875rem;
    color: var(--accent-cyan);
    font-weight: 500;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links.open {
        display: flex;
    }

    .hero {
        flex-direction: column;
        padding: 100px 24px 60px;
        min-height: auto;
        gap: 40px;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .hero-visual {
        max-width: 100%;
    }

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

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

    .service-block {
        flex-direction: column;
        gap: 16px;
    }

    .service-number {
        font-size: 2.5rem;
        min-width: auto;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}