/* style.css */
:root {
    --bg-dark: #0a0a0f;
    --bg-card: rgba(20, 20, 30, 0.6);
    --border-card: rgba(255, 255, 255, 0.08);
    --text-main: #fcfcfc;
    --text-muted: #a0a0b0;
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --gradient-1: #6366f1;
    --gradient-2: #c084fc;
    --gradient-3: #ec4899;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

/* Utilities */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.text-center {
    text-align: center;
}

.pb-120 {
    padding-bottom: 120px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2), var(--gradient-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-card);
    border-radius: 24px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: 999px;
    font-weight: 500;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--gradient-2));
    color: white;
    border: none;
    box-shadow: 0 8px 16px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 20px rgba(99, 102, 241, 0.4);
}

.btn-outline {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--text-main);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.4);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 16px;
    font-weight: 600;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-card);
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    height: 70px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-muted);
}

.nav-links a:hover {
    color: var(--text-main);
}

/* Hero Section */
.hero {
    padding-top: 180px;
    padding-bottom: 120px;
    position: relative;
    overflow: hidden;
}

.hero-bg-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80vw;
    height: 80vw;
    background: radial-gradient(circle, rgba(99,102,241,0.15) 0%, rgba(10,10,15,0) 70%);
    z-index: -1;
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.1);
    color: #c084fc;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1.5px;
}

.hero-desc {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 540px;
}

.hero-btns {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    gap: 24px;
    color: var(--text-muted);
    font-size: 14px;
}

.stat-item i {
    color: #10b981;
    margin-right: 6px;
}

.image-wrapper {
    padding: 8px;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.5s ease;
}

.image-wrapper:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.image-wrapper img {
    width: 100%;
    border-radius: 16px;
    display: block;
}

/* Sections Global */
.section-header {
    margin-bottom: 64px;
}

.section-title {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-muted);
}

/* Steps Section */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.step-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    transition: transform 0.3s ease, background 0.3s ease;
}

.step-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.04);
}

.step-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--gradient-2));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
    margin: 0 auto 24px;
    color: white;
    box-shadow: 0 0 24px rgba(99, 102, 241, 0.4);
}

.step-card h3 {
    font-size: 22px;
    margin-bottom: 16px;
}

.step-card p {
    color: var(--text-muted);
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.feature-card {
    background: linear-gradient(160deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
    border: 1px solid var(--border-card);
    padding: 48px;
    border-radius: 24px;
    transition: border-color 0.3s ease;
}

.feature-card:hover {
    border-color: rgba(99, 102, 241, 0.5);
}

.feature-card i {
    font-size: 32px;
    color: var(--gradient-2);
    margin-bottom: 24px;
    display: inline-block;
    background: rgba(192, 132, 252, 0.1);
    padding: 16px;
    border-radius: 16px;
}

.feature-card h4 {
    font-size: 24px;
    margin-bottom: 16px;
}

.feature-card p {
    color: var(--text-muted);
}

/* CTA */
.cta-section {
    padding-bottom: 120px;
}

.cta-card {
    padding: 80px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(45deg, rgba(99,102,241,0.1), rgba(236,72,153,0.1));
    z-index: 0;
}

.cta-card > * {
    position: relative;
    z-index: 1;
}

.cta-card h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.cta-card p {
    font-size: 20px;
    color: var(--text-muted);
    margin-bottom: 40px;
}

/* FAQ */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    border-bottom: 1px solid var(--border-card);
    margin-bottom: 16px;
}

.accordion-item:last-child {
    border-bottom: none;
}

.accordion-header {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 20px;
    font-weight: 600;
    font-family: inherit;
    text-align: left;
    padding: 24px 0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-header i {
    transition: transform 0.3s ease;
}

.accordion-header.active i {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.accordion-content p {
    padding-bottom: 24px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* Footer */
.footer {
    background: #050508;
    padding-top: 80px;
    border-top: 1px solid var(--border-card);
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 24px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.link-group h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 24px;
}

.link-group ul {
    list-style: none;
}

.link-group ul li {
    margin-bottom: 16px;
}

.link-group ul li a {
    color: var(--text-muted);
}

.link-group ul li a:hover {
    color: var(--primary);
}

.footer-bottom {
    padding: 24px 0;
    border-top: 1px solid var(--border-card);
    text-align: center;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-desc {
        margin: 0 auto 40px;
    }
    .hero-btns, .hero-stats {
        justify-content: center;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .footer-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .hero-title {
        font-size: 40px;
    }
    .steps-grid {
        grid-template-columns: 1fr;
    }
    .footer-links {
        grid-template-columns: 1fr 1fr;
    }
}
