/* Base Theme & CSS Variables */
:root {
    --bg-main: #0a0a0e;
    --bg-secondary: #13131a;
    --bg-glass: rgba(255, 255, 255, 0.03);
    --border-glass: rgba(255, 255, 255, 0.08);

    --text-primary: #ffffff;
    --text-secondary: #94a3b8;

    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --accent: #06b6d4;
    --warning: #f59e0b;

    --gradient-1: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --gradient-2: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);

    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;

    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: 100px 0;
}

.bg-darker {
    background-color: var(--bg-secondary);
}

.text-center {
    text-align: center;
}

.mt-20 {
    margin-top: 20px;
}

.mt-40 {
    margin-top: 40px;
}

.mb-40 {
    margin-bottom: 40px;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.max-w-700 {
    max-width: 700px;
}

.max-w-800 {
    max-width: 800px;
}

.max-w-900 {
    max-width: 900px;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* Typography */
.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 24px;
}

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

.link-highlight {
    color: var(--accent);
    font-weight: 600;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-family: var(--font-heading);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
    display: block;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    color: white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-glow {
    position: relative;
}

.btn-glow::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: inherit;
    border-radius: inherit;
    z-index: -1;
    filter: blur(12px);
    opacity: 0.6;
    transition: var(--transition);
}

.btn-glow:hover::after {
    opacity: 1;
    filter: blur(16px);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 14, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
    z-index: 1000;
    padding: 16px 0;
}

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

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-text .accent {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.nav-links a:hover {
    color: white;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 160px 0 100px;
    min-height: 90vh;
    display: flex;
    align-items: center;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 1000px;
    height: 1000px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    z-index: -1;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.badge {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: #a5b4fc;
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-block;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-top: 16px;
}

.hero-meta {
    margin-top: 32px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.warning-text {
    color: var(--warning);
    margin-top: 8px;
    font-weight: 600;
}

/* Tools Banner */
.tools-section {
    border-top: 1px solid var(--border-glass);
    border-bottom: 1px solid var(--border-glass);
    background: var(--bg-secondary);
    padding: 32px 0;
}

.tools-title {
    text-align: center;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 2px;
    margin-bottom: 24px;
}

.tools-grid {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.tool-item {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.5);
    transition: var(--transition);
}

.tool-item:hover {
    color: white;
    transform: scale(1.05);
}

/* Grids & Cards */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: var(--transition);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-5px);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

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

/* Layouts */
.two-col-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

/* Framework List */
.framework-list {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.fm-item h4 {
    font-size: 1.125rem;
    color: white;
    margin-bottom: 4px;
}

.fm-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Mockup Box */
.mockup-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 48px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.mockup-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-1);
}

.mockup-content h3 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.mockup-content p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* Timeline/Curriculum */
.timeline {
    position: relative;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 24px;
    width: 2px;
    background: var(--border-glass);
}

.timeline-item {
    position: relative;
    padding-left: 72px;
    margin-bottom: 32px;
}

.timeline-dot {
    position: absolute;
    left: 8px;
    top: 0;
    width: 32px;
    height: 32px;
    background: var(--bg-main);
    border: 2px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-family: var(--font-heading);
    color: var(--primary);
}

.timeline-content {
    border-radius: var(--radius-md);
}

.timeline-content h3 {
    font-size: 1.25rem;
    margin-bottom: 16px;
    color: white;
}

.timeline-content ul {
    list-style: none;
}

.timeline-content li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.timeline-content li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* Instructors */
.instructor-card {
    text-align: center;
}

.instructor-avatar {
    width: 80px;
    height: 80px;
    background: var(--gradient-2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
    margin: 0 auto 20px;
    color: white;
}

.instructor-title {
    color: var(--accent) !important;
    font-size: 0.875rem !important;
    margin-bottom: 16px;
    font-weight: 600;
}

.instructor-points {
    text-align: left;
    margin-top: 16px;
}

.instructor-points li {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    position: relative;
    padding-left: 16px;
}

.instructor-points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-secondary);
}

/* Pricing */
.pricing-card {
    display: flex;
    flex-direction: column;
    position: relative;
}

.pricing-card.featured {
    border-color: var(--primary);
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-1);
    color: white;
    padding: 4px 16px;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-target {
    color: var(--accent) !important;
    font-size: 0.875rem !important;
    margin-bottom: 24px;
}

.price {
    font-size: 2.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
    margin-bottom: 24px;
    color: white;
}

.pricing-features {
    flex-grow: 1;
}

.pricing-features li {
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 12px;
}

.pricing-features li:last-child {
    border-bottom: none;
}

/* FAQ Accordion */
.accordion-item {
    border-bottom: 1px solid var(--border-glass);
}

.accordion-item:last-child {
    border-bottom: none;
}

.accordion-header {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 24px 0;
    color: white;
    font-size: 1.125rem;
    font-weight: 600;
    font-family: var(--font-heading);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-header .icon {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--primary);
    transition: var(--transition);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
}

.accordion-content p {
    color: var(--text-secondary);
    padding-bottom: 24px;
}

/* Active Class for JS Accordion */
.accordion-item.active .accordion-content {
    max-height: 500px;
}

.accordion-item.active .accordion-header .icon {
    transform: rotate(45deg);
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-glass);
    padding: 80px 0 32px;
    background: var(--bg-main);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 64px;
}

.footer-info p {
    color: var(--text-secondary);
    margin-top: 16px;
    max-width: 400px;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
}

.social-links a:hover {
    background: var(--primary);
}

.footer-links h3,
.footer-contact h3 {
    font-size: 1.125rem;
    color: white;
    margin-bottom: 20px;
}

.footer-links a,
.footer-contact p {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

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

.footer-bottom {
    border-top: 1px solid var(--border-glass);
    padding-top: 32px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-title {
        font-size: 3.5rem;
    }

    .two-col-layout {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
    }
}