/* =============================================
   Landing Page Router - Stylesheet
   ============================================= */

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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #ec4899;
    --accent: #f59e0b;
    --dark: #0f172a;
    --dark-2: #1e293b;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --gray-lighter: #e2e8f0;
    --light: #f8fafc;
    --white: #ffffff;
    --success: #22c55e;
    --danger: #ef4444;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

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

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

img {
    max-width: 100%;
    display: block;
}

/* Container */
.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: var(--transition);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-lighter);
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark);
}

.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--gradient);
    color: var(--white);
    border-radius: var(--radius-sm);
    font-size: 1rem;
}

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

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 1px;
}

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

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition);
}

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

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

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

/* =============================================
   Buttons
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-sm { padding: 8px 16px; font-size: 0.875rem; }
.btn-lg { padding: 16px 32px; font-size: 1.05rem; }
.btn-block { width: 100%; }

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.35);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

/* =============================================
   Hero Section
   ============================================= */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, var(--light) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    color: var(--dark);
}

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

.hero-description {
    font-size: 1.15rem;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-suffix {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--gray);
    margin-top: 4px;
}

.hero-visual {
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
}

.hero-card {
    background: var(--white);
    border: 1px solid var(--gray-lighter);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.hero-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.hero-card.featured {
    border-color: var(--primary-light);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.hero-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.hero-card p {
    color: var(--gray);
    font-size: 0.9rem;
}

.hero-content.center {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.hero-content.center .hero-description {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.hero-content.center .hero-buttons {
    justify-content: center;
}

/* =============================================
   Features Section
   ============================================= */
.features {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.section-header p {
    color: var(--gray);
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--white);
    border: 1px solid var(--gray-lighter);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--gray);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* =============================================
   CTA Section
   ============================================= */
.cta-section {
    padding: 100px 0;
    background: var(--dark);
    color: var(--white);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-content p {
    color: var(--gray-light);
    font-size: 1.1rem;
    margin-bottom: 32px;
}

/* =============================================
   Pricing Section
   ============================================= */
.pricing {
    padding: 100px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
}

.pricing-card {
    background: var(--white);
    border: 2px solid var(--gray-lighter);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border-color: var(--primary);
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: var(--white);
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.pricing-header {
    text-align: center;
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--gray-lighter);
}

.pricing-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 4px;
}

.currency {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    margin-top: 8px;
}

.amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.period {
    display: block;
    color: var(--gray);
    font-size: 0.85rem;
    margin-top: 8px;
}

.pricing-features {
    margin-bottom: 32px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 0.95rem;
    color: var(--dark);
}

.feature .check {
    font-weight: 700;
    color: var(--success);
    font-size: 1rem;
}

.feature.disabled {
    color: var(--gray-light);
}

.feature.disabled .check {
    color: var(--gray-light);
}

/* =============================================
   Countdown Section
   ============================================= */
.promo-countdown {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
}

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

.countdown-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 40px;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 40px;
}

.time-block {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    padding: 24px 32px;
    min-width: 100px;
}

.time-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
}

.time-label {
    display: block;
    font-size: 0.85rem;
    opacity: 0.8;
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* =============================================
   About Section
   ============================================= */
.about-content {
    padding: 100px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    margin-top: 12px;
}

.about-text p {
    color: var(--gray);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-values {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.value-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.value-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.value-item h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.value-item p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

.team-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.team-stat {
    background: var(--light);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    border: 1px solid var(--gray-lighter);
    transition: var(--transition);
}

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

.team-stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 4px;
}

.team-stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--gray);
}

/* =============================================
   Timeline
   ============================================= */
.timeline-section {
    padding: 100px 0;
    background: var(--light);
}

.timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gray-lighter);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    padding-bottom: 40px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: 12px;
    top: 4px;
    width: 18px;
    height: 18px;
    background: var(--primary);
    border-radius: 50%;
    border: 3px solid var(--light);
    z-index: 1;
}

.timeline-content {
    background: var(--white);
    border: 1px solid var(--gray-lighter);
    border-radius: var(--radius);
    padding: 24px;
}

.timeline-year {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.timeline-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.timeline-content p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* =============================================
   Error Page (404)
   ============================================= */
.error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 0;
}

.error-content {
    text-align: center;
    max-width: 500px;
}

.error-code {
    display: block;
    font-size: 8rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 16px;
}

.error-content h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.error-content p {
    color: var(--gray);
    font-size: 1.1rem;
    margin-bottom: 32px;
}

.error-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.error-illustration {
    font-size: 4rem;
    opacity: 0.3;
}

/* =============================================
   Footer
   ============================================= */
.footer {
    background: var(--dark);
    color: var(--gray-light);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand p {
    margin-top: 12px;
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-brand .logo {
    color: var(--white);
}

.footer-links h4 {
    color: var(--white);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-links a,
.footer-links p {
    display: block;
    color: var(--gray-light);
    font-size: 0.9rem;
    margin-bottom: 10px;
    transition: var(--transition);
}

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

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 0.85rem;
}

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =============================================
   Responsive Design
   ============================================= */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-visual {
        display: none;
    }

    .hero h1 {
        font-size: 2.8rem;
    }

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

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
        margin: 0 auto;
    }

    .pricing-card.featured {
        transform: none;
    }

    .pricing-card.featured:hover {
        transform: translateY(-8px);
    }

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

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 80px 32px 32px;
        gap: 24px;
        box-shadow: var(--shadow-xl);
        transition: var(--transition);
        z-index: 999;
    }

    .nav-links.active {
        right: 0;
    }

    .hamburger {
        display: flex;
        z-index: 1001;
    }

    .hero {
        padding: 120px 0 60px;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

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

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

    .cta-content h2 {
        font-size: 2rem;
    }

    .countdown-timer {
        gap: 12px;
    }

    .time-block {
        padding: 16px 20px;
        min-width: 70px;
    }

    .time-number {
        font-size: 1.8rem;
    }

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

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

    .error-code {
        font-size: 5rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }

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

    .hero-buttons .btn {
        width: 100%;
    }

    .btn-lg {
        padding: 14px 24px;
        font-size: 1rem;
    }

    .countdown-timer {
        flex-wrap: wrap;
    }

    .time-block {
        min-width: calc(50% - 12px);
    }
}