/* ============================================
   Positividade Diária — Landing Page Styles
   ============================================ */

:root {
    --bg: #0F1219;
    --bg-secondary: #1A1F2E;
    --bg-card: #1E2433;
    --text: #FFFFFF;
    --text-secondary: #94A3B8;
    --primary: #6366F1;
    --primary-light: #818CF8;
    --accent-purple: #8B5CF6;
    --accent-pink: #EC4899;
    --accent-green: #10B981;
    --accent-orange: #F97316;
    --accent-blue: #3B82F6;
    --gradient-primary: linear-gradient(135deg, #6366F1, #8B5CF6);
    --gradient-warm: linear-gradient(135deg, #8B5CF6, #EC4899);
    --radius: 12px;
    --radius-lg: 18px;
    --shadow: 0 4px 24px rgba(0,0,0,0.3);
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 14px;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition);
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    padding: 12px 24px;
    box-shadow: 0 4px 16px rgba(99,102,241,0.4);
}

.btn-primary:hover {
    box-shadow: 0 6px 24px rgba(99,102,241,0.5);
}

.btn-outline {
    background: transparent;
    color: var(--primary-light);
    padding: 12px 24px;
    border: 1.5px solid var(--primary);
}

.btn-outline:hover {
    background: rgba(99,102,241,0.1);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
    border-radius: 8px;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
    border-radius: 14px;
}

/* ---- Navbar ---- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 14px 0;
    background: rgba(15,18,25,0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: background var(--transition);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 15px;
}

.nav-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 13px;
    font-weight: 500;
}

.nav-links a:not(.btn) {
    color: var(--text-secondary);
    transition: color var(--transition);
}

.nav-links a:not(.btn):hover {
    color: var(--text);
}

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

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-secondary);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 62px;
    left: 0;
    right: 0;
    z-index: 99;
    background: var(--bg-secondary);
    padding: 16px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    flex-direction: column;
    gap: 12px;
}

.mobile-menu.active {
    display: flex;
}

.mobile-link {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 0;
}

/* ---- Hero ---- */
.hero {
    position: relative;
    padding: 140px 0 80px;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(ellipse, rgba(99,102,241,0.15) 0%, rgba(139,92,246,0.08) 40%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.hero-text {
    flex: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-green);
    background: rgba(16,185,129,0.12);
    padding: 6px 14px;
    border-radius: 20px;
    margin-bottom: 20px;
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero h1 {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
}

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

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

.hero-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 28px;
    max-width: 480px;
}

.hero-actions {
    margin-bottom: 36px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 22px;
    font-weight: 800;
    color: var(--text);
}

.stat-label {
    font-size: 11px;
    color: var(--text-secondary);
}

.stat-divider {
    width: 1px;
    height: 32px;
    background: rgba(255,255,255,0.1);
}

/* Phone mockup */
.hero-visual {
    flex: 0 0 280px;
}

.phone-mockup {
    width: 260px;
    height: 520px;
    background: var(--bg-secondary);
    border-radius: 36px;
    border: 3px solid rgba(255,255,255,0.08);
    padding: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.06);
    position: relative;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #1A2744 0%, #1E3A5F 50%, #234B7A 100%);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.phone-screen::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(99,102,241,0.15) 0%, transparent 70%);
}

.mock-phrase-card {
    text-align: center;
    position: relative;
    z-index: 1;
}

.mock-category {
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    color: var(--accent-purple);
    background: rgba(139,92,246,0.15);
    padding: 4px 10px;
    border-radius: 10px;
    margin-bottom: 24px;
}

.mock-quote {
    font-size: 14px;
    font-weight: 500;
    font-style: italic;
    line-height: 1.7;
    color: rgba(255,255,255,0.9);
    margin-bottom: 12px;
}

.mock-author {
    font-size: 11px;
    color: rgba(255,255,255,0.45);
    font-style: italic;
}

/* ---- Sections ---- */
.section {
    padding: 80px 0;
}

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

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--primary-light);
    margin-bottom: 12px;
}

.pro-tag {
    color: var(--accent-purple);
}

.section-header h2 {
    font-size: clamp(24px, 4vw, 36px);
    font-weight: 800;
    margin-bottom: 12px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 15px;
    max-width: 520px;
    margin: 0 auto;
}

/* Features grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.feature-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: transform var(--transition), border-color var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(99,102,241,0.2);
}

.feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ---- Diary Split ---- */
.split-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.split-text {
    flex: 1;
}

.split-text h2 {
    font-size: clamp(24px, 4vw, 32px);
    font-weight: 800;
    margin-bottom: 16px;
}

.split-text > p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 24px;
}

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

.check-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-secondary);
}

.check-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 6px;
    background: rgba(16,185,129,0.15);
    color: var(--accent-green);
    font-size: 11px;
    font-weight: 700;
    flex-shrink: 0;
}

.split-visual {
    flex: 0 0 380px;
}

.mood-demo {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid rgba(255,255,255,0.06);
}

.mood-row {
    display: flex;
    gap: 6px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.mood-chip {
    font-size: 11px;
    padding: 8px 10px;
    border-radius: 10px;
    background: rgba(255,255,255,0.04);
    color: var(--text-secondary);
    white-space: nowrap;
}

.mood-chip.active {
    background: rgba(16,185,129,0.15);
    color: var(--accent-green);
    border: 1px solid rgba(16,185,129,0.3);
}

.demo-stats {
    display: flex;
    gap: 12px;
}

.demo-stat {
    flex: 1;
    text-align: center;
    background: rgba(255,255,255,0.03);
    border-radius: 10px;
    padding: 12px 8px;
}

.demo-stat-icon {
    display: block;
    font-size: 16px;
    margin-bottom: 4px;
}

.demo-stat-val {
    display: block;
    font-size: 18px;
    font-weight: 800;
}

.demo-stat-lbl {
    display: block;
    font-size: 9px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* ---- AI Section ---- */
.ai-demo {
    max-width: 560px;
    margin: 0 auto;
}

.ai-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid rgba(139,92,246,0.2);
    box-shadow: 0 4px 32px rgba(139,92,246,0.08);
}

.ai-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 16px;
}

.ai-sparkle {
    color: var(--accent-purple);
}

.ai-card-quote {
    font-size: 14px;
    font-style: italic;
    color: rgba(255,255,255,0.7);
    padding: 12px 16px;
    background: rgba(255,255,255,0.03);
    border-left: 3px solid var(--accent-purple);
    border-radius: 0 8px 8px 0;
    margin-bottom: 16px;
}

.ai-card-response p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.ai-card-action {
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.ai-card-action span {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-purple);
    cursor: pointer;
}

/* ---- Pro Section ---- */
.pro-grid {
    display: flex;
    gap: 20px;
    justify-content: center;
    max-width: 640px;
    margin: 0 auto;
}

.pro-card {
    flex: 1;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.06);
    position: relative;
}

.pro-card.featured {
    border-color: var(--accent-purple);
    box-shadow: 0 4px 32px rgba(139,92,246,0.15);
}

.pro-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-warm);
    color: white;
    font-size: 10px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 12px;
    white-space: nowrap;
}

.pro-card-header {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.pro-price {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 4px;
}

.pro-price span {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.pro-savings {
    font-size: 11px;
    font-weight: 700;
    color: var(--accent-green);
    background: rgba(16,185,129,0.12);
    display: inline-block;
    padding: 3px 10px;
    border-radius: 8px;
    margin-bottom: 12px;
}

.pro-features {
    list-style: none;
    text-align: left;
    margin: 20px 0 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pro-features li {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ---- CTA Section ---- */
.cta-section {
    text-align: center;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(99,102,241,0.1), transparent 70%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-icon {
    width: 72px;
    height: 72px;
    border-radius: 18px;
    margin: 0 auto 24px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.cta-content h2 {
    font-size: clamp(24px, 4vw, 36px);
    font-weight: 800;
    margin-bottom: 12px;
}

.cta-content p {
    color: var(--text-secondary);
    font-size: 15px;
    margin-bottom: 28px;
}

/* ---- Footer ---- */
.footer {
    padding: 40px 0 24px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
}

.footer-name {
    font-size: 14px;
    font-weight: 700;
}

.footer-tagline {
    font-size: 11px;
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 13px;
    color: var(--text-secondary);
    transition: color var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.04);
}

.footer-bottom p {
    font-size: 11px;
    color: var(--text-secondary);
}

/* ============================================
   Responsive
   ============================================ */

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

    .hero { padding: 120px 0 60px; }
    .hero-content { flex-direction: column; text-align: center; gap: 40px; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-stats { justify-content: center; }
    .hero-visual { flex: none; }

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

    .split-content { flex-direction: column; text-align: center; }
    .split-visual { flex: none; width: 100%; }
    .check-list { align-items: center; }
    .mood-row { justify-content: center; }

    .pro-grid { flex-direction: column; max-width: 340px; }

    .footer-content { flex-direction: column; gap: 20px; text-align: center; }
    .footer-links { flex-wrap: wrap; justify-content: center; gap: 16px; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 28px; }
    .btn-lg { padding: 14px 24px; font-size: 14px; }
    .hero-stats { gap: 14px; }
    .stat-value { font-size: 18px; }
    .mood-row { gap: 4px; }
    .mood-chip { font-size: 10px; padding: 6px 8px; }
}