:root {
    --bg-color: #0A0A0B;
    --text-primary: #FFFFFF;
    --text-secondary: #ADA9A9;
    --accent-purple: #AA30FA;
    --accent-purple-light: #D394FF;
    --accent-cyan: #00ECEC;
    --accent-cyan-light: #00FBFB;
    --accent-green: #2BE800;
    --accent-green-light: #8EFF71;
    --surface: #1A1919;
    --outline: rgba(255, 255, 255, 0.1);
    --glass: rgba(26, 25, 25, 0.7);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Plus Jakarta Sans', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4 {
    font-weight: 800;
    letter-spacing: -0.05em;
    line-height: 1.1;
}

.italic { font-style: italic; }
.text-purple { color: var(--accent-purple-light); }
.text-cyan { color: var(--accent-cyan-light); }
.text-green { color: var(--accent-green-light); }
.text-gradient {
    background: linear-gradient(90deg, var(--accent-purple-light), var(--accent-cyan-light));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 24px 0;
    transition: var(--transition);
}

.header.scrolled {
    padding: 16px 0;
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--outline);
}

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

.logo-text {
    font-size: 1.5rem;
    font-weight: 900;
    font-style: italic;
    letter-spacing: -2px;
}

.accent {
    color: var(--accent-purple-light);
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--text-primary);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 99px;
    font-weight: 800;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 0.9rem;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.btn-sm { padding: 8px 20px; font-size: 0.8rem; }
.btn-lg { padding: 20px 40px; font-size: 1.1rem; }

.btn-primary {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-purple-light));
    color: #000;
    box-shadow: 0 8px 32px rgba(170, 48, 250, 0.3);
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 12px 48px rgba(170, 48, 250, 0.5);
}

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

.btn-outline:hover {
    background: var(--outline);
    border-color: var(--text-primary);
}

/* Hero Section */
.hero {
    position: relative;
    padding-top: 180px;
    padding-bottom: 120px;
}

.hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.15;
}

.hero-glow-1 {
    top: -100px;
    left: -100px;
    background: var(--accent-purple);
}

.hero-glow-2 {
    bottom: -100px;
    right: -100px;
    background: var(--accent-cyan);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 80px;
}

.hero-title {
    font-size: 5.5rem;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 48px;
    max-width: 500px;
}

.glass-card {
    background: var(--glass);
    backdrop-filter: blur(24px);
    border: 1px solid var(--outline);
    border-radius: 24px;
}

/* Mockup */
.mockup-container {
    position: relative;
}

.main-mockup {
    padding: 12px;
    position: relative;
    overflow: hidden;
    transform: perspective(1000px) rotateY(-15deg) rotateX(5deg);
    box-shadow: 0 32px 80px rgba(0, 0, 0, 0.5);
    transition: var(--transition);
}

.main-mockup:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.mockup-img {
    width: 100%;
    border-radius: 12px;
    display: block;
}

.mockup-overlay {
    position: absolute;
    bottom: 40px;
    left: 40px;
    right: 40px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    padding: 24px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.mockup-overlay .badge {
    display: inline-block;
    padding: 4px 8px;
    background: var(--accent-purple);
    color: #000;
    font-size: 0.7rem;
    font-weight: 900;
    border-radius: 4px;
    margin-bottom: 12px;
}

.mockup-overlay p {
    font-style: italic;
    font-size: 1rem;
    font-weight: 600;
}

/* Features Grid */
.features {
    padding: 120px 0;
}

.section-header {
    margin-bottom: 64px;
}

.section-title {
    font-size: 3.5rem;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    padding: 0;
    text-align: left;
    transition: var(--transition);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    transform: translateY(-12px);
    border-color: rgba(255, 255, 255, 0.3);
}

.feature-image-wrapper {
    position: relative;
    height: 220px;
    width: 100%;
    overflow: hidden;
}

.feature-image-wrapper::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, var(--glass), transparent);
}

.feature-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover .feature-img {
    transform: scale(1.1);
}

.feature-icon {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    z-index: 2;
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.bg-purple { background: rgba(170, 48, 250, 0.4); color: white; }
.bg-cyan { background: rgba(0, 236, 236, 0.4); color: white; }
.bg-green { background: rgba(43, 232, 0, 0.4); color: white; }

.feature-content {
    padding: 32px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.purple-glow:hover { box-shadow: 0 20px 60px rgba(170, 48, 250, 0.25); }
.cyan-glow:hover { box-shadow: 0 20px 60px rgba(0, 236, 236, 0.25); }
.green-glow:hover { box-shadow: 0 20px 60px rgba(43, 232, 0, 0.25); }

/* How it works */
.how-it-works {
    padding-bottom: 120px;
}

.step-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 40px 60px;
}

.step {
    display: flex;
    align-items: center;
    gap: 24px;
}

.step-number {
    font-size: 2.5rem;
    font-weight: 900;
    opacity: 0.2;
}

.step-content h4 {
    font-size: 1.25rem;
    margin-bottom: 4px;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.step-divider {
    width: 60px;
    height: 1px;
    background: var(--outline);
}

/* CTA Final */
.cta-final {
    padding-bottom: 120px;
}

.cta-card {
    padding: 80px;
    text-align: center;
}

.cta-title {
    font-size: 4rem;
    margin-bottom: 24px;
}

.cta-desc {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.footer {
    padding: 64px 0 48px;
    border-top: 1px solid var(--outline);
}

.footer-bottom {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.footer-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--accent-purple-light);
    text-shadow: 0 0 10px rgba(170, 48, 250, 0.4);
}

/* Responsive */
@media (max-width: 1024px) {
    .container { padding: 0 32px; }
    .hero-title { font-size: 4rem; }
}

@media (max-width: 768px) {
    .hero-container { grid-template-columns: 1fr; gap: 64px; text-align: center; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-visual { display: none; }
    .features-grid { grid-template-columns: 1fr; }
    .step-container { flex-direction: column; gap: 40px; }
    .step-divider { display: none; }
    .cta-title { font-size: 2.5rem; }
    .cta-card { padding: 48px 24px; }
    .logo-text { font-size: 1.25rem; }
    .nav { display: none; }
}