/* ========================================
   2026 HIGH-CONVERTING LANDING PAGE
   Based on: Minimalism, Bold Type, Trust
   ======================================== */

:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-accent: #1a1a2e;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --accent: #6366f1;
    /* Indigo */
    --accent-hover: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.3);
    --success: #22c55e;
    --gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 5rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
    color: inherit;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Utility Classes */
.text-center {
    text-align: center;
}

/* ========================================
   HEADER
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--space-sm) 0;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

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

.btn-header:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--accent-glow);
}

.btn-primary {
    background: var(--gradient);
    color: white;
    font-size: 1rem;
    padding: 1rem 2rem;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px var(--accent-glow);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    padding-top: 120px;
    padding-bottom: var(--space-2xl);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: center;
}

@media (min-width: 900px) {
    .hero-grid {
        grid-template-columns: 1.1fr 0.9fr;
    }
}

.hero-content {
    max-width: 600px;
}

.pill {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--accent-hover);
    margin-bottom: var(--space-md);
}

.pill-dark {
    background: rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.2);
    color: white;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-md);
}

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

.subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    max-width: 500px;
}

.trust-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-top: var(--space-lg);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.trust-row-light {
    justify-content: center;
    margin-top: var(--space-md);
}

.hero-image {
    display: flex;
    justify-content: center;
}

.hero-image img {
    max-width: 400px;
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 80px rgba(99, 102, 241, 0.2);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.4s ease;
}

.hero-image img:hover {
    transform: perspective(1000px) rotateY(0deg) scale(1.02);
}

/* ========================================
   SECTIONS
   ======================================== */
.section {
    padding: var(--space-2xl) 0;
}

.section-dark {
    background: var(--bg-secondary);
}

.section-accent {
    background: var(--bg-accent);
}

.section-cta {
    background: var(--gradient);
    padding: var(--space-2xl) 0;
}

.section-cta h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
}

.section-cta p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: var(--space-lg);
}

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

.section-cta .btn-primary:hover {
    background: #f0f0f5;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.02em;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ========================================
   CARDS (Problem Section)
   ======================================== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.card {
    background: var(--bg-primary);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
}

.card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-xs);
}

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

/* ========================================
   FEATURES (Solution Section)
   ======================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.feature {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.feature:hover {
    border-color: rgba(99, 102, 241, 0.3);
    background: var(--bg-accent);
}

.feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.feature-text h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.feature-text p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ========================================
   BONUS SECTION
   ======================================== */
.bonus-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: center;
}

@media (min-width: 768px) {
    .bonus-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.bonus-content h2 {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

.bonus-content p {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.check-list {
    list-style: none;
}

.check-list li {
    margin-bottom: var(--space-xs);
    font-size: 1rem;
}

.bonus-image img {
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

/* ========================================
   TAGS (Target Audience)
   ======================================== */
.tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.tag {
    background: var(--bg-secondary);
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.quote {
    font-size: 1.3rem;
    font-style: italic;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    padding: var(--space-lg);
    border-left: 3px solid var(--accent);
    text-align: left;
}

.quote strong {
    color: var(--text-primary);
}

/* ========================================
   FAQ
   ======================================== */
.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.faq-item summary {
    padding: var(--space-md);
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--accent);
}

.faq-item[open] summary::after {
    content: '−';
}

.faq-item p {
    padding: 0 var(--space-md) var(--space-md);
    color: var(--text-secondary);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    padding: var(--space-lg) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ========================================
   ANIMATIONS (Minimal, Performance-First)
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
    .hero {
        padding-top: 100px;
        min-height: auto;
    }

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

    .hero-content {
        max-width: 100%;
    }

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

    .trust-row {
        justify-content: center;
    }

    .section-cta h2 {
        font-size: 1.8rem;
    }
}