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

:root {
    --primary: #7C5CFC;
    --primary-dark: #6344E0;
    --primary-light: #A78BFA;
    --accent: #34D399;
    --accent-dark: #10B981;
    --surface: #13111C;
    --surface-2: #1A1726;
    --surface-3: #221F2E;
    --surface-4: #2D2A3A;
    --text: #E4E0ED;
    --text-muted: #9B95AB;
    --text-dim: #6B6580;
    --border: #2D2A3A;
    --gradient: linear-gradient(135deg, var(--primary), #34D399);
    --gradient-subtle: linear-gradient(135deg, rgba(124,92,252,0.12), rgba(52,211,153,0.08));
    --glow: 0 0 40px rgba(124,92,252,0.15);
    --shadow: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
    --radius: 16px;
    --radius-sm: 10px;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    background: var(--surface);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s ease;
    background: rgba(19,17,28,0.6);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
}

.navbar.scrolled {
    padding: 10px 0;
    background: rgba(19,17,28,0.92);
    border-bottom: 1px solid var(--border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text);
}

.logo-mark {
    position: relative;
    width: 40px;
    height: 40px;
}

.logo-mark svg {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-weight: 600;
    font-size: 18px;
    letter-spacing: -0.3px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: color 0.2s, background 0.2s;
}

.nav-links a:hover {
    color: var(--text);
    background: var(--surface-3);
}

.nav-cta {
    background: var(--primary) !important;
    color: var(--text) !important;
}

.nav-cta:hover {
    background: var(--primary-dark) !important;
}

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

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

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 50% at 50% 0%, rgba(124,92,252,0.12) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 80% 20%, rgba(52,211,153,0.06) 0%, transparent 50%),
        radial-gradient(ellipse 40% 30% at 10% 60%, rgba(124,92,252,0.05) 0%, transparent 50%);
}

/* Animated grid */
.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(124,92,252,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(124,92,252,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 0%, transparent 70%);
}

.hero-content {
    position: relative;
    max-width: 800px;
}

.hero h1 {
    font-size: clamp(2.5rem, 5.5vw, 4.2rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
    color: var(--text);
}

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

.hero-sub {
    font-size: 1.15rem;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 600px;
    margin-bottom: 40px;
}

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(124,92,252,0.35);
}

.btn-secondary {
    background: var(--surface-3);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--surface-4);
    transform: translateY(-1px);
    border-color: var(--text-dim);
}

.btn-full {
    width: 100%;
}

/* ===== Sections ===== */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 14px;
    padding: 6px 14px;
    background: rgba(52,211,153,0.08);
    border: 1px solid rgba(52,211,153,0.15);
    border-radius: 100px;
}

.section h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.8px;
    margin-bottom: 16px;
    color: var(--text);
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ===== About / Stats ===== */
.about {
    background: var(--surface-2);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.stat-card {
    background: var(--surface-3);
    padding: 36px 28px;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid var(--border);
    transition: transform 0.2s, border-color 0.2s;
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: var(--glow);
}

.stat-number {
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 6px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

/* ===== Focus Areas ===== */
.focus-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.focus-card {
    background: var(--surface-2);
    border: 1px solid var(--border);
    padding: 40px 32px;
    border-radius: var(--radius);
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.focus-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-light);
    box-shadow: var(--glow);
}

.focus-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-subtle);
    border: 1px solid rgba(124,92,252,0.15);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--primary-light);
}

.focus-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text);
}

.focus-card p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ===== Approach / Timeline ===== */
.approach {
    background: var(--surface-2);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.approach-timeline {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.approach-step {
    display: flex;
    gap: 28px;
    padding: 32px 0;
    border-bottom: 1px solid var(--border);
}

.approach-step:last-child {
    border-bottom: none;
}

.step-number {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    min-width: 60px;
    line-height: 1;
    padding-top: 4px;
}

.step-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}

.step-content p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ===== Contact ===== */
.contact {
    background: var(--surface);
}

.contact .section-tag {
    color: var(--primary-light);
    background: rgba(124,92,252,0.08);
    border-color: rgba(124,92,252,0.15);
}

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

.contact-info p {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.7;
    margin-top: 16px;
}

.contact-details {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 15px;
}

.contact-item svg {
    color: var(--accent);
    flex-shrink: 0;
}

.contact-form {
    background: var(--surface-2);
    padding: 36px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: var(--surface-3);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: inherit;
    font-size: 15px;
    transition: border-color 0.2s;
}

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

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124,92,252,0.1);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B6580' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form-success {
    margin-top: 16px;
    padding: 16px;
    background: rgba(52,211,153,0.08);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(52,211,153,0.15);
}

.form-success p {
    color: var(--accent);
    font-size: 14px;
    font-weight: 500;
    text-align: center;
}

/* ===== Footer ===== */
.footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 48px 0 24px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: start;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border);
}

.footer-brand .logo {
    margin-bottom: 12px;
}

.footer-brand p {
    color: var(--text-dim);
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-col h4 {
    color: var(--text);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 14px;
    padding: 4px 0;
    transition: color 0.2s;
}

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

.footer-bottom {
    padding-top: 24px;
    text-align: center;
}

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

/* ===== Responsive ===== */
@media (max-width: 900px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .footer-content {
        flex-direction: column;
        gap: 32px;
    }
}

@media (max-width: 640px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--surface-2);
        padding: 16px 24px;
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--border);
    }

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

    .mobile-toggle {
        display: flex;
    }

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

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero-sub {
        font-size: 1rem;
    }

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

    .section {
        padding: 70px 0;
    }

    .approach-step {
        flex-direction: column;
        gap: 12px;
    }

    .step-number {
        font-size: 1.5rem;
    }

    .contact-form {
        padding: 24px;
    }
}