:root {
    --primary: #D0BCFF;
    --primary-alt: #B69DF8;
    --secondary: #CCC2DC;
    --surface: #0F0F12;
    --surface-bright: #1C1B1F;
    --on-surface: #E6E1E5;
    --on-surface-variant: #CAC4D0;
    --outline: #79747E;
    --success: #4CAF50;
    --error: #F44336;
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --bg-gradient: radial-gradient(circle at top right, #1a152e 0%, #0f0f12 50%),
                    radial-gradient(circle at bottom left, #121016 0%, #0f0f12 50%);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg-gradient);
    background-attachment: fixed;
    color: var(--on-surface);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    color: #fff;
    letter-spacing: -0.02em;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ── Navbar ──────────────────────────────────────────────── */
.nav {
    position: fixed;
    top: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: auto;
    min-width: 520px;
    background: rgba(15, 15, 18, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 3rem;
    padding: 0.6rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transition: box-shadow 0.3s ease, background 0.3s ease;
}

.nav--scrolled {
    background: rgba(15, 15, 18, 0.85);
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.nav-brand {
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    color: var(--primary);
    font-size: 1.15rem;
    letter-spacing: 0.05em;
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    color: var(--on-surface-variant);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.45rem 0.875rem;
    border-radius: 2rem;
    transition: color 0.2s ease, background 0.2s ease;
    white-space: nowrap;
}

.nav-link:hover {
    color: #fff;
    background: rgba(255,255,255,0.06);
}

.nav-link.active {
    color: var(--primary);
    background: rgba(208, 188, 255, 0.1);
}

.nav-link-cta {
    background: var(--primary);
    color: var(--surface) !important;
    font-weight: 700;
    padding: 0.45rem 1.1rem;
}

.nav-link-cta:hover {
    background: #fff !important;
    color: var(--surface) !important;
}

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

.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--on-surface-variant);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero ────────────────────────────────────────────────── */
.hero {
    padding: 8rem 0 6rem;
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 4rem;
}

.hero-text { text-align: left; }

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #fff 0%, #D0BCFF 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeInDown 0.8s ease-out;
}

.hero p {
    font-size: 1.2rem;
    color: var(--on-surface-variant);
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-image {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

.hero-image img {
    width: 100%;
    border-radius: 2rem;
    box-shadow: 0 30px 60px rgba(0,0,0,0.5), 0 0 0 1px var(--glass-border);
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.75rem;
    border-radius: 2rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(208, 188, 255, 0.3);
}

.btn-ghost {
    background: transparent;
    color: var(--on-surface-variant);
    border: 1px solid var(--glass-border);
}

.btn-ghost:hover {
    background: rgba(255,255,255,0.06);
    color: #fff;
    border-color: rgba(255,255,255,0.15);
}

/* ── Badge ───────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1.25rem;
    background: rgba(208, 188, 255, 0.1);
    color: var(--primary);
    border: 1px solid rgba(208, 188, 255, 0.2);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(5px);
}

/* ── Terminal ────────────────────────────────────────────── */
.terminal {
    background: rgba(0, 0, 0, 0.6);
    border-radius: 1rem;
    padding: 1.5rem;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    position: relative;
}

.code-line {
    font-family: 'JetBrains Mono', monospace;
    display: flex;
    gap: 1rem;
    font-size: 1rem;
}

.prompt { color: var(--primary); font-weight: bold; }

.command { color: #E6E1E5; }

/* ── Sections ────────────────────────────────────────────── */
.section { padding: 6rem 0; }

.section-label {
    text-align: center;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
    background: linear-gradient(to bottom, #fff, #938F99);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    text-align: center;
    color: var(--on-surface-variant);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 4rem;
}

/* ── Why Section ─────────────────────────────────────────── */
.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 5rem;
}

.why-card {
    border-radius: 1.5rem;
    padding: 2.5rem;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.why-card--problem {
    background: rgba(244, 67, 54, 0.04);
    border-color: rgba(244, 67, 54, 0.15);
}

.why-card--solution {
    background: rgba(76, 175, 80, 0.04);
    border-color: rgba(76, 175, 80, 0.2);
}

.why-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.75rem;
}

.why-icon { font-size: 2rem; }

.why-card-header h3 {
    font-size: 1.4rem;
}

.why-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}

.why-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--on-surface-variant);
    line-height: 1.5;
}

.why-card--problem .why-list li::before {
    content: '✕';
    color: var(--error);
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.why-card--solution .why-list li::before {
    content: '✓';
    color: var(--success);
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
    margin-top: 2px;
}

/* ── Feature Highlights ──────────────────────────────────── */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 1.25rem;
    padding: 2rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(8px);
}

.feature-card:hover {
    background: rgba(208, 188, 255, 0.05);
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(208, 188, 255, 0.1);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-card h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--on-surface-variant);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.mini-terminal {
    display: block;
    background: rgba(0, 0, 0, 0.4);
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--primary);
    border: 1px solid var(--glass-border);
}

/* ── Stats ───────────────────────────────────────────────── */
.stats {
    padding: 2rem 0;
    margin-top: -4rem;
    position: relative;
    z-index: 10;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.stat-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
    padding: 2rem;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.stat-number {
    font-size: 2.75rem;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    background: linear-gradient(135deg, var(--primary) 0%, #fff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--on-surface-variant);
    font-size: 0.875rem;
    font-weight: 500;
}

/* ── Timeline ────────────────────────────────────────────── */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 4rem auto 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), transparent);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 4rem;
}

.timeline-dot {
    position: absolute;
    left: 0;
    top: 0;
    width: 42px;
    height: 42px;
    background: var(--surface);
    border: 2px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
    color: var(--primary);
    z-index: 1;
    box-shadow: 0 0 0 4px rgba(208, 188, 255, 0.1);
}

.timeline-content h3 { font-size: 1.5rem; margin-bottom: 0.75rem; }
.timeline-content p { color: var(--on-surface-variant); }

/* ── Skill Grid ──────────────────────────────────────────── */
.category-group { margin-bottom: 6rem; }

.category-header {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 2.5rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--glass-border);
}

.category-header h2 { font-size: 2rem; }

.skill-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.25rem;
}

.skill-item {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    padding: 1.5rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.skill-item:hover {
    background: rgba(208, 188, 255, 0.05);
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(208, 188, 255, 0.08);
}

.skill-item h4 { font-size: 1.125rem; margin-bottom: 0.5rem; }
.skill-item span { font-size: 0.875rem; color: var(--outline); }

/* ── Tech Stack ──────────────────────────────────────────── */
.tech-stack {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 3rem;
    padding: 2rem 0;
    opacity: 0.6;
}

.tech-item {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--on-surface-variant);
    font-family: 'Outfit', sans-serif;
}

/* ── IDE Grid ────────────────────────────────────────────── */
.ide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.25rem;
    margin-top: 3rem;
}

.ide-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    padding: 1.75rem;
    border-radius: 1.25rem;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.ide-card:hover, .ide-card.active {
    transform: translateY(-5px);
    border-color: var(--primary);
    background: rgba(208, 188, 255, 0.05);
    box-shadow: 0 10px 40px rgba(208, 188, 255, 0.12);
}

.ide-card.active {
    outline: 2px solid var(--primary);
    outline-offset: -2px;
}

.ide-icon { font-size: 1.75rem; margin-bottom: 0.75rem; display: block; }
.ide-card h4 { font-family: 'Outfit', sans-serif; font-size: 1.1rem; margin-bottom: 0.4rem; color: #fff; }
.ide-card p { font-size: 0.85rem; color: var(--on-surface-variant); line-height: 1.4; }

/* ── Command Generator ───────────────────────────────────── */
.command-generator {
    margin-top: 4rem;
    text-align: center;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    padding: 2.5rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 2rem;
    backdrop-filter: blur(20px);
}

.command-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #000;
    padding: 1rem 1.5rem;
    border-radius: 1rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--glass-border);
}

#generated-command {
    font-family: 'JetBrains Mono', monospace;
    color: var(--primary);
    font-size: 1rem;
}

.copy-button {
    background: var(--primary);
    color: var(--surface);
    border: none;
    padding: 0.5rem 1.25rem;
    border-radius: 0.75rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
    margin-left: 1rem;
}

.copy-button:hover { background: #fff; transform: scale(1.05); }

.gray-text { color: var(--on-surface-variant); opacity: 0.7; font-size: 0.95rem; }

/* ── CTA Section ─────────────────────────────────────────── */
.cta-section { padding: 4rem 0 8rem; }

.cta-card {
    position: relative;
    border-radius: 2.5rem;
    padding: 5rem 4rem;
    border: 1px solid rgba(208, 188, 255, 0.2);
    background: rgba(208, 188, 255, 0.03);
    text-align: center;
    overflow: hidden;
    backdrop-filter: blur(20px);
}

.cta-glow {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(208, 188, 255, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.cta-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff 0%, #D0BCFF 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cta-sub {
    color: var(--on-surface-variant);
    font-size: 1.1rem;
    max-width: 520px;
    margin: 0 auto 2.5rem;
}

.cta-terminal {
    background: rgba(0,0,0,0.6);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    padding: 1.75rem 2rem;
    max-width: 480px;
    margin: 0 auto 2.5rem;
    text-align: left;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ── Footer ──────────────────────────────────────────────── */
footer {
    padding: 2.5rem 0;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--on-surface-variant);
    font-size: 0.9rem;
}

/* ── Glass Card (generic) ────────────────────────────────── */
.card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
    padding: 2.5rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    backdrop-filter: blur(10px);
}

.card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

/* ── Animations ──────────────────────────────────────────── */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0); }
    50% { transform: translateY(-15px) rotate(1deg); }
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid { grid-template-columns: 1fr; }
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-image { display: none; }
    .hero-actions { justify-content: center; }
    .hero h1 { font-size: 3.5rem; }
}

@media (max-width: 768px) {
    .nav {
        top: 1rem;
        min-width: calc(100% - 2rem);
        width: calc(100% - 2rem);
        border-radius: 1.5rem;
        padding: 0.75rem 1.25rem;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: calc(100% + 0.5rem);
        left: 0;
        right: 0;
        background: rgba(15, 15, 18, 0.97);
        backdrop-filter: blur(20px);
        border: 1px solid var(--glass-border);
        border-radius: 1.25rem;
        flex-direction: column;
        padding: 1rem;
        gap: 0.25rem;
        box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    }

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

    .nav-link { text-align: center; padding: 0.75rem 1rem; }

    .nav-hamburger { display: flex; }

    .hero { padding: 6rem 0 4rem; }
    .hero h1 { font-size: 2.75rem; }

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

    .cta-card { padding: 3rem 1.5rem; }
    .cta-title { font-size: 2rem; }

    .section-title { font-size: 2rem; }
    .category-header h2 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2.2rem; }
    .hero-actions { flex-direction: column; }
    .btn { justify-content: center; }
}