/* ========================================
   PLANIFICA LANDING PAGE - STYLES
   Premium Dark Mode Design
   ======================================== */

/* CSS Variables */
:root {
    --color-bg-primary: #0f172a;
    --color-bg-secondary: #1e293b;
    --color-bg-card: rgba(30, 41, 59, 0.7);
    --color-text-primary: #f8fafc;
    --color-text-secondary: #94a3b8;
    --color-accent-purple: #8b5cf6;
    --color-accent-gold: #f59e0b;
    --color-accent-green: #22c55e;
    --color-accent-red: #ef4444;
    --gradient-primary: linear-gradient(135deg, #8b5cf6 0%, #a855f7 50%, #d946ef 100%);
    --gradient-gold: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.3);
    --border-radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

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

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: var(--gradient-primary);
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 40px rgba(139, 92, 246, 0.5);
}

.btn-large {
    padding: 20px 48px;
    font-size: 1.25rem;
}

/* Badges */
.badge, .section-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(139, 92, 246, 0.15);
    color: var(--color-accent-purple);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 50px;
    border: 1px solid rgba(139, 92, 246, 0.3);
    letter-spacing: 0.5px;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    padding: 80px 0;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(168, 85, 247, 0.1) 0%, transparent 50%),
        var(--color-bg-primary);
    z-index: -1;
}

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

.hero-text {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

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

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

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
}

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

/* Phone Mockup */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
    width: 300px;
    height: 620px;
    background: linear-gradient(145deg, #2a2a40, #1a1a2e);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 
        0 50px 100px rgba(0, 0, 0, 0.5),
        0 0 0 2px rgba(255, 255, 255, 0.1),
        inset 0 0 20px rgba(255, 255, 255, 0.05);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.app-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 30px;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ========================================
   PROBLEM/SOLUTION SECTION
   ======================================== */
.problem-solution {
    padding: 100px 0;
    background: var(--color-bg-secondary);
}

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

.section-header p {
    color: var(--color-text-secondary);
    font-size: 1.2rem;
    margin-top: 16px;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.comparison-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.comparison-card:hover {
    transform: translateY(-5px);
}

.comparison-card.problem {
    border-left: 4px solid var(--color-accent-red);
}

.comparison-card.solution {
    border-left: 4px solid var(--color-accent-green);
    box-shadow: var(--shadow-glow);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.comparison-card h3 {
    margin-bottom: 20px;
}

.comparison-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.comparison-card li {
    font-size: 1.05rem;
}

/* ========================================
   FEATURES SECTION
   ======================================== */
.features {
    padding: 100px 0;
    background: var(--color-bg-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 32px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(139, 92, 246, 0.3);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    display: block;
}

.feature-card h3 {
    margin-bottom: 12px;
    color: var(--color-text-primary);
}

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

/* ========================================
   SCREENSHOTS SECTION
   ======================================== */
.screenshots {
    padding: 100px 0;
    background: var(--color-bg-secondary);
}

.screenshots-carousel {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.screenshot-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.screenshot-item img {
    width: 280px;
    height: 560px;
    object-fit: cover;
    border-radius: 24px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.screenshot-item:hover img {
    transform: scale(1.03);
    border-color: var(--color-accent-purple);
    box-shadow: var(--shadow-glow);
}

.screenshot-item p {
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* ========================================
   PRIVACY SECTION
   ======================================== */
.privacy-section {
    padding: 100px 0;
    background: var(--color-bg-primary);
}

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

.privacy-icon {
    font-size: 4rem;
    margin-bottom: 24px;
}

.privacy-content h2 {
    margin-bottom: 16px;
}

.privacy-content p {
    color: var(--color-text-secondary);
    font-size: 1.15rem;
    margin-bottom: 32px;
}

.privacy-badges {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.privacy-badge {
    padding: 12px 24px;
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-accent-green);
    border-radius: 50px;
    font-weight: 600;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
    padding: 120px 0;
    background: 
        radial-gradient(ellipse at center, rgba(139, 92, 246, 0.2) 0%, transparent 60%),
        var(--color-bg-secondary);
}

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

.cta-content h2 {
    margin-bottom: 16px;
}

.cta-content p {
    color: var(--color-text-secondary);
    font-size: 1.2rem;
    margin-bottom: 40px;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    padding: 40px 0;
    background: var(--color-bg-primary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-logo {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

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

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

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

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

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

    .hero-image {
        margin-top: 40px;
    }

    .phone-mockup {
        width: 250px;
        height: 520px;
    }

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

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

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

    .screenshots-carousel {
        flex-direction: column;
        align-items: center;
    }

    .screenshot-item img {
        width: 240px;
        height: 480px;
    }

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

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

    .btn-large {
        padding: 16px 32px;
    }

    .scroll-indicator {
        display: none;
    }
}

/* ========================================
   ANIMATIONS (Scroll Reveal)
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}