/* -------------------------------------------------------------
   AULAPOL - CSS Stylesheet
   Modern, Premium & High-Performance Design System
   ------------------------------------------------------------- */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

/* CSS Variables & Theme Definitions */
:root {
    /* Color Palette - Premium Navy & Gold theme */
    --bg-dark: #050a15;
    --bg-dark-secondary: #0c1527;
    --bg-dark-card: rgba(13, 25, 48, 0.7);
    --bg-light: #f8fafc;
    --bg-light-secondary: #f1f5f9;
    --bg-light-card: rgba(255, 255, 255, 0.8);
    
    --primary: #1d4ed8;
    --primary-glow: #3b82f6;
    --primary-dark: #1e3a8a;
    
    --accent-gold: #eab308;
    --accent-gold-glow: #facc15;
    --accent-cyan: #06b6d4;
    --accent-cyan-glow: #22d3ee;
    
    --text-white: #ffffff;
    --text-light: #f1f5f9;
    --text-dark: #0f172a;
    --text-muted: #64748b;
    --text-muted-dark: #94a3b8;
    
    --border-dark: rgba(255, 255, 255, 0.08);
    --border-light: rgba(15, 23, 42, 0.08);
    --border-accent: rgba(59, 130, 246, 0.2);
    
    /* Layout & Utilities */
    --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-bounce: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.25);
    
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --border-radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-family: var(--font-main);
    overflow-x: hidden;
}

body {
    min-height: 100vh;
    line-height: 1.6;
    background-color: var(--bg-dark);
    overflow-x: hidden;
    position: relative;
}

/* Ambient glow backgrounds */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(29, 78, 216, 0.15) 0%, rgba(5, 10, 213, 0) 70%);
    border-radius: 50%;
    z-index: -2;
    pointer-events: none;
}

body::after {
    content: '';
    position: absolute;
    top: 800px;
    right: -100px;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.08) 0%, rgba(5, 10, 21, 0) 70%);
    border-radius: 50%;
    z-index: -2;
    pointer-events: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-dark-secondary);
    border: 2px solid var(--bg-dark);
    border-radius: var(--border-radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-white);
    letter-spacing: -0.02em;
}

p {
    color: var(--text-muted-dark);
}

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

/* Standard Buttons & CTAs */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-smooth);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
    box-shadow: 0 4px 14px rgba(29, 78, 216, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    background: linear-gradient(135deg, var(--primary-glow) 0%, var(--primary) 100%);
}

.btn-secondary {
    background: var(--bg-dark-card);
    color: var(--text-white);
    border: 1px solid var(--border-dark);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent-gold) 0%, #d97706 100%);
    color: var(--bg-dark);
    box-shadow: 0 4px 14px rgba(234, 179, 8, 0.3);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(234, 179, 8, 0.45);
    background: linear-gradient(135deg, var(--accent-gold-glow) 0%, var(--accent-gold) 100%);
}

/* Header & White Floating Navbar */
.header-nav {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1200px;
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: var(--border-radius-md);
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: all var(--transition-smooth);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
}

.header-nav.scrolled {
    background: #ffffff;
    padding: 10px 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border-color: rgba(15, 23, 42, 0.12);
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo-nav {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-item a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-muted);
    position: relative;
    padding: 6px 0;
}

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

.nav-item a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-glow), var(--accent-cyan));
    transition: width var(--transition-fast);
    border-radius: 2px;
}

.nav-item a:hover::after,
.nav-item.active a::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1100;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-dark);
    margin: 6px 0;
    transition: all var(--transition-smooth);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    padding: 180px 0 100px 0;
    position: relative;
    display: flex;
    align-items: center;
    min-height: 100vh;
}

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

.grid-2 {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

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

.badge {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(30, 64, 175, 0.2);
    border: 1px solid var(--border-accent);
    color: var(--primary-glow);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--border-radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-gold {
    background: rgba(234, 179, 8, 0.1);
    border: 1px solid rgba(234, 179, 8, 0.3);
    color: var(--accent-gold-glow);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.8rem);
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.hero-title span.gradient-text {
    background: linear-gradient(135deg, var(--primary-glow) 0%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.15rem;
    line-height: 1.7;
    color: var(--text-muted-dark);
}

.hero-ctas {
    display: flex;
    gap: 16px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.hero-features-list {
    margin-top: 16px;
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 24px;
}

.hero-features-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--text-light);
}

.hero-features-list li svg {
    color: var(--accent-cyan);
    flex-shrink: 0;
}

/* Mockup Device (Phone mockup with tilt animation) */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.glow-bg {
    position: absolute;
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(6, 182, 212, 0.05) 40%, rgba(5, 10, 21, 0) 70%);
    z-index: -1;
    pointer-events: none;
}

.phone-wrapper {
    perspective: 1000px;
    width: 100%;
    max-width: 320px;
}

.phone-container {
    width: 100%;
    aspect-ratio: 9/19.5;
    background: #090e1a;
    border: 12px solid #1e293b;
    border-radius: 40px;
    box-shadow: var(--shadow-lg), 0 0 40px rgba(59, 130, 246, 0.2);
    overflow: hidden;
    position: relative;
    transform: rotateY(-8deg) rotateX(12deg) rotateZ(3deg);
    transition: transform var(--transition-smooth);
}

.phone-container:hover {
    transform: rotateY(0deg) rotateX(4deg) rotateZ(0deg) scale(1.02);
}

/* Notch & speaker */
.phone-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 110px;
    height: 22px;
    background: #1e293b;
    border-bottom-left-radius: 16px;
    border-bottom-right-radius: 16px;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    position: relative;
}

.phone-screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* floating card animations in hero */
.floating-card {
    position: absolute;
    background: rgba(13, 25, 48, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-dark);
    padding: 12px 18px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: float 6s ease-in-out infinite;
    z-index: 5;
}

.fc-1 {
    top: 15%;
    left: -40px;
    animation-delay: 0s;
}

.fc-2 {
    bottom: 20%;
    right: -40px;
    animation-delay: 3s;
}

.floating-card svg {
    color: var(--accent-gold);
    background: rgba(234, 179, 8, 0.1);
    padding: 8px;
    border-radius: var(--border-radius-sm);
    width: 38px;
    height: 38px;
}

.floating-card-info h5 {
    font-size: 0.85rem;
    font-weight: 700;
}

.floating-card-info p {
    font-size: 0.75rem;
    color: var(--accent-cyan-glow);
    font-weight: 600;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-12px);
    }
}

/* Statistics Section */
.stats {
    padding: 60px 0;
    position: relative;
    background-color: var(--bg-dark-secondary);
    border-top: 1px solid var(--border-dark);
    border-bottom: 1px solid var(--border-dark);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stat-number {
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    font-weight: 800;
    color: var(--text-white);
    background: linear-gradient(135deg, var(--text-white) 30%, var(--primary-glow) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted-dark);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Section Styling */
.section {
    padding: 100px 0;
    position: relative;
}

.section-light {
    background-color: var(--bg-light);
    color: var(--text-dark);
}

.section-light h2,
.section-light h3,
.section-light h4 {
    color: var(--text-dark);
}

.section-light p {
    color: var(--text-muted);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.7rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.section-title span.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-glow) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Core Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--bg-dark-card);
    border: 1px solid var(--border-dark);
    border-radius: var(--border-radius-lg);
    padding: 40px 32px;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 20px;
    z-index: 1;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.08) 0%, rgba(5, 10, 21, 0) 50%);
    z-index: -1;
    transition: opacity var(--transition-smooth);
    opacity: 0;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-md);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-md);
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid var(--border-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-glow);
    transition: all var(--transition-smooth);
}

.feature-card:hover .feature-icon-wrapper {
    background: var(--primary);
    color: var(--text-white);
    transform: scale(1.05);
}

.feature-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
}

.feature-card p {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Detail Interactive Tabs Section ("El Método") */
.method-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid var(--border-dark);
    padding: 6px;
    border-radius: var(--border-radius-full);
    width: max-content;
    margin-left: auto;
    margin-right: auto;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-muted-dark);
    padding: 12px 28px;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--border-radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-btn.active {
    background: var(--primary);
    color: var(--text-white);
    box-shadow: 0 4px 12px rgba(29, 78, 216, 0.3);
}

.tab-btn:hover:not(.active) {
    color: var(--text-white);
    background: rgba(255, 255, 255, 0.05);
}

.tab-content {
    display: none;
    animation: fadeIn var(--transition-smooth);
}

.tab-content.active {
    display: block;
}

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

.tab-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.tab-info h3 {
    font-size: 2rem;
    line-height: 1.3;
}

.tab-info p {
    font-size: 1.05rem;
    line-height: 1.7;
}

.tab-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.tab-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.95rem;
}

.tab-list li svg {
    color: var(--accent-gold);
    flex-shrink: 0;
    margin-top: 3px;
}

.tab-list li strong {
    color: var(--text-white);
    display: block;
    margin-bottom: 2px;
}

.tab-visual {
    background: var(--bg-dark-secondary);
    border: 1px solid var(--border-dark);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

/* Interactive Mini Test Simulator */
.interactive-test-card {
    background: var(--bg-dark-secondary);
    border: 1px solid var(--border-accent);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    box-shadow: var(--shadow-lg), 0 0 25px rgba(29, 78, 216, 0.1);
}

.test-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-dark);
    padding-bottom: 16px;
    margin-bottom: 20px;
}

.test-badge {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-cyan);
}

.test-timer {
    font-family: monospace;
    font-size: 0.95rem;
    color: var(--text-muted-dark);
    background: rgba(255, 255, 255, 0.05);
    padding: 4px 10px;
    border-radius: var(--border-radius-sm);
}

.test-question {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text-white);
    line-height: 1.4;
}

.test-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.test-option {
    background: var(--bg-dark-card);
    border: 1px solid var(--border-dark);
    padding: 16px 20px;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 16px;
    text-align: left;
    color: var(--text-light);
}

.test-option:hover {
    border-color: var(--primary-glow);
    background: rgba(59, 130, 246, 0.05);
}

.option-letter {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--border-radius-full);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-dark);
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--text-muted-dark);
    flex-shrink: 0;
}

.test-option:hover .option-letter {
    background: var(--primary-glow);
    border-color: var(--primary-glow);
    color: var(--text-white);
}

/* Correct/Incorrect State */
.test-option.correct {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.08);
}
.test-option.correct .option-letter {
    background: #10b981;
    border-color: #10b981;
    color: var(--text-white);
}

.test-option.incorrect {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.08);
}
.test-option.incorrect .option-letter {
    background: #ef4444;
    border-color: #ef4444;
    color: var(--text-white);
}

.test-explanation {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-dark);
    display: none;
    animation: slideUp var(--transition-smooth);
}

.test-explanation.visible {
    display: block;
}

.explanation-title {
    font-weight: 700;
    color: #10b981;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
}

.explanation-text {
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Extra Features Accordion */
.accordion-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.accordion-item {
    background: var(--bg-dark-secondary);
    border: 1px solid var(--border-dark);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.accordion-item:hover {
    border-color: rgba(59, 130, 246, 0.3);
}

.accordion-header {
    padding: 24px 32px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 20px;
    cursor: pointer;
    user-select: none;
}

.accordion-header-title {
    font-weight: 600;
    font-size: 1.15rem;
    flex-grow: 1;
}

.accordion-icon-box {
    color: var(--accent-cyan);
    background: rgba(6, 182, 212, 0.1);
    padding: 10px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.accordion-chevron {
    transition: transform var(--transition-smooth);
    color: var(--text-muted-dark);
}

.accordion-item.active {
    border-color: var(--border-accent);
}

.accordion-item.active .accordion-chevron {
    transform: rotate(180deg);
    color: var(--text-white);
}

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

.accordion-content-inner {
    padding: 0 32px 24px 84px;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Testimonials section */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.testimonial-card {
    background: var(--bg-dark-secondary);
    border: 1px solid var(--border-dark);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: relative;
    box-shadow: var(--shadow-sm);
}

.testimonial-card::after {
    content: '"';
    position: absolute;
    top: 20px;
    right: 32px;
    font-size: 5rem;
    font-family: serif;
    color: rgba(255, 255, 255, 0.05);
    line-height: 1;
}

.stars-rating {
    display: flex;
    gap: 4px;
    color: var(--accent-gold);
}

.testimonial-text {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-light);
    font-style: italic;
}

.testimonial-user {
    display: flex;
    align-items: center;
    gap: 16px;
    border-top: 1px solid var(--border-dark);
    padding-top: 16px;
}

.user-avatar-placeholder {
    width: 44px;
    height: 44px;
    border-radius: var(--border-radius-full);
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-cyan) 100%);
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
}

.user-info h4 {
    font-size: 0.95rem;
    font-weight: 700;
}

.user-info p {
    font-size: 0.8rem;
    color: var(--accent-cyan-glow);
}

/* Call To Action (CTA) Section */
.cta-section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.cta-box {
    background: radial-gradient(circle at 80% 20%, rgba(30, 58, 138, 0.4) 0%, rgba(5, 10, 21, 0.9) 70%);
    border: 1px solid var(--border-accent);
    border-radius: var(--border-radius-lg);
    padding: 80px 60px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg), 0 0 50px rgba(59, 130, 246, 0.15);
}

.cta-box::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -150px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, rgba(5, 10, 21, 0) 70%);
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
}

.cta-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
}

.cta-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
}

.cta-content p {
    font-size: 1.1rem;
    line-height: 1.6;
}

.cta-badge {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #34d399;
}

.cta-download-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.cta-side {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.qr-code-wrapper {
    background: var(--text-white);
    padding: 16px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: max-content;
}

.qr-code-placeholder {
    width: 140px;
    height: 140px;
    background: repeating-conic-gradient(from 0deg, #0f172a 0deg 90deg, #ffffff 90deg 180deg) 0 0/20px 20px;
    border-radius: 4px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-code-placeholder::before {
    content: '';
    position: absolute;
    width: 32px;
    height: 32px;
    background: var(--primary);
    border-radius: 4px;
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.2);
}

.qr-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-dark);
}

.download-link-small {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-cyan-glow);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.download-link-small:hover {
    color: var(--text-white);
}

/* Footer Styling */
.footer {
    background-color: #03060c;
    border-top: 1px solid var(--border-dark);
    padding: 80px 0 40px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 48px;
    margin-bottom: 60px;
}

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

.footer-logo {
    height: 80px;
    width: auto;
    object-fit: contain;
    align-self: center;
}

.footer-brand p {
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: 300px;
}

.footer-socials {
    display: flex;
    gap: 16px;
}

.social-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-dark);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted-dark);
    transition: all var(--transition-fast);
}

.social-icon:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--text-white);
    transform: translateY(-3px);
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-white);
}

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

.footer-links a {
    font-size: 0.9rem;
    color: var(--text-muted-dark);
}

.footer-links a:hover {
    color: var(--text-white);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid var(--border-dark);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    font-size: 0.85rem;
}

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

.footer-bottom-links a {
    font-size: 0.85rem;
    color: var(--text-muted-dark);
}

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

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Intersection Observer Animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .grid-2 {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    
    .hero {
        padding-top: 150px;
    }
    
    .hero-text {
        align-items: center;
    }
    
    .hero-ctas {
        justify-content: center;
    }
    
    .hero-features-list {
        justify-content: center;
    }
    
    .floating-card {
        display: none; /* Hide floating cards on tablet/mobile to avoid layout issues */
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tab-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .cta-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .cta-download-buttons {
        justify-content: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .header-nav {
        width: 100%;
        top: 0;
        border-radius: 0;
        border-left: none;
        border-right: none;
        border-top: none;
        padding: 16px 24px;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background: #ffffff;
        flex-direction: column;
        align-items: center;
        padding: 40px 0;
        gap: 30px;
        transform: translateY(-150%);
        transition: transform var(--transition-smooth);
        border-bottom: 1px solid rgba(15, 23, 42, 0.08);
        z-index: 999;
    }
    
    .nav-links.active {
        transform: translateY(0);
    }
    
    #btn-web-nav {
        display: none;
    }
    
    .mobile-cta-item {
        display: block !important;
    }
    
    /* Toggle animation */
    .menu-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px 16px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 15px;
    }
    
    .hero-ctas .btn {
        width: 100%;
    }
    
    .hero-features-list {
        grid-template-columns: 1fr;
        align-items: flex-start;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .method-tabs {
        width: 100%;
        flex-direction: column;
        border-radius: var(--border-radius-md);
    }
    
    .tab-btn {
        width: 100%;
        border-radius: var(--border-radius-md);
    }
    
    .cta-box {
        padding: 40px 24px;
    }
    
    .cta-download-buttons .btn {
        width: 100%;
    }
}

/* -------------------------------------------------------------
   Caution Ribbons (Under Construction)
   ------------------------------------------------------------- */
.caution-ribbon {
    position: fixed;
    width: 380px;
    height: 40px;
    background: repeating-linear-gradient(
        -45deg,
        #eab308,
        #eab308 20px,
        #111111 20px,
        #111111 40px
    );
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    pointer-events: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    border-top: 2px solid #eab308;
    border-bottom: 2px solid #eab308;
}

.ribbon-left {
    top: 45px;
    left: -100px;
    transform: rotate(-45deg);
}

.ribbon-right {
    top: 45px;
    right: -100px;
    transform: rotate(45deg);
}

.caution-text {
    background: #111111;
    color: #eab308;
    font-weight: 800;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    padding: 3px 16px;
    border: 2px solid #eab308;
    border-radius: 4px;
    box-shadow: inset 0 0 5px rgba(0,0,0,0.8);
    text-transform: uppercase;
}