/* ===================================
   LessonBuddy Website Styles
   =================================== */

/* CSS Variables */
:root {
    --primary-color: #1FBAD0;
    --primary-dark: #189fb5;
    --primary-light: #47c7dc;
    --secondary-color: #000612;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --text-muted: #94a3b8;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --gradient-primary: linear-gradient(135deg, #1FBAD0 0%, #189fb5 100%);
    --gradient-dark: linear-gradient(135deg, #1e293b 0%, #000612 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 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-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
}

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

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

ul {
    list-style: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-outline {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    font-size: 1rem;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--text-dark);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0;
    transition: background 0.3s ease, border-color 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.5);
    border-bottom-color: rgba(0, 0, 0, 0.05);
}

.navbar.scrolled .nav-content {
    opacity: 0.6;
    transition: opacity 0.2s ease;
}

.navbar.scrolled:hover {
    background: rgba(255, 255, 255, 0.95);
    border-bottom-color: rgba(0, 0, 0, 0.1);
}

.navbar.scrolled:hover .nav-content {
    opacity: 1;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    text-decoration: none;
}

.logo img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.logo span {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--secondary-color);
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links li {
    list-style: none;
}

.nav-links a {
    color: #64748b;
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.5rem 0.875rem;
    border-radius: 6px;
    transition: all 0.15s ease;
    position: relative;
}

.nav-links a:hover {
    color: var(--secondary-color);
    background: rgba(0, 0, 0, 0.04);
}

.nav-links a.active {
    color: var(--secondary-color);
}

.nav-links .btn-primary {
    background: var(--secondary-color);
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.15s ease;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.nav-links .btn-primary:hover {
    background: #0f2d3d;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(15, 45, 61, 0.15);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    padding: 8px;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    background: var(--gradient-dark);
    color: white;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #cbd5e1;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.app-badges,
.app-badges-large {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.hero .app-badges {
    margin-top: 2rem;
}

.app-badges img {
    height: 50px;
}

.app-badges img[alt*="App Store"] {
    height: 50px;
}

.app-badges img[alt*="Google Play"] {
    height: 74px; /* Google Play badge has more padding, so needs to be larger to match visually */
}

.app-badges-large img {
    height: 56px;
    width: auto;
    display: block;
    cursor: pointer;
    transition: var(--transition);
}

.app-badges-large img[alt*="App Store"] {
    height: 56px;
}

.app-badges-large img[alt*="Google Play"] {
    height: 83px; /* Google Play badge has more padding, so needs to be larger to match visually */
}

.app-badges-large img:hover {
    transform: scale(1.05);
}

/* Phone Mockup */
.phone-mockup {
    perspective: 1000px;
    animation: float 6s ease-in-out infinite;
}

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

.phone-frame {
    width: 300px;
    height: 600px;
    background: #000;
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
    position: relative;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--bg-light);
    border-radius: 30px;
    overflow: hidden;
}

.phone-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

.screen-content {
    width: 100%;
    height: 100%;
    background: white;
}

.mock-app {
    padding: 1rem;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.mock-header {
    text-align: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

.mock-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.mock-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
}

.mock-calendar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mock-lesson {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.lesson-time {
    font-size: 0.875rem;
    color: var(--text-muted);
    width: 70px;
    flex-shrink: 0;
}

.lesson-card {
    flex: 1;
    background: var(--primary-light);
    padding: 1rem;
    border-radius: var(--radius-sm);
    color: white;
}

.lesson-student {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.lesson-type {
    font-size: 0.875rem;
    opacity: 0.9;
}

.phone-mockup-small .phone-frame {
    width: 350px;
    height: 700px;
}

.progress-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 1rem;
}

.progress-skill {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.skill-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-dark);
}

.skill-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-light);
    border-radius: 10px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 10px;
    transition: width 1s ease;
}

/* Features Overview */
.features-overview {
    padding: 6rem 0;
    background: #fafbfc;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    margin-bottom: 1rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-dark) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.feature-card {
    background: #ffffff;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
    position: relative;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
    border-color: #e0e0e0;
}

.feature-icon {
    margin: 0 auto 1.25rem;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    padding: 3px;
    background: linear-gradient(135deg, var(--text-dark) 0%, var(--primary-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.feature-icon-inner {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
}

.feature-card:hover .feature-icon {
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.15);
}

/* SVG icons inside feature icons (Heroicons-style) */
.feature-icon-inner svg {
    width: 32px;
    height: 32px;
    stroke-width: 1.8;
    stroke: #0f172a;
}

.feature-card h3 {
    margin-bottom: 0.75rem;
    color: var(--text-dark);
    font-size: 1.375rem;
    font-weight: 600;
}

.feature-card p {
    color: var(--text-light);
    margin-bottom: 0;
    line-height: 1.6;
    font-size: 0.9375rem;
}

.section-cta {
    text-align: center;
    margin-top: 3.5rem;
}

/* Benefits Section */
.benefits {
    padding: 6rem 0;
    background: var(--bg-light);
}

.benefits-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.benefit-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    padding: 1.75rem 1.5rem;
    background: #ffffff;
    border-radius: 18px;
    border: 1px solid #e5e7eb;
    box-shadow: 0 4px 10px rgba(15, 23, 42, 0.04);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.benefit-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.12);
    border-color: rgba(31, 186, 208, 0.35);
}

.benefit-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.benefit-text h3 {
    margin-bottom: 0.35rem;
    font-size: 1.2rem;
}

.benefit-text p {
    color: var(--text-light);
    margin-bottom: 0;
    font-size: 0.975rem;
    line-height: 1.7;
}

/* Stats Section */
.stats {
    padding: 4rem 0;
    background: var(--gradient-dark);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.125rem;
    opacity: 0.9;
}

/* How It Works */
.how-it-works {
    padding: 6rem 0;
    background: var(--bg-light);
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
    margin-top: 3.5rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.step {
    text-align: center;
    background: #ffffff;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    border: 1px solid #f0f0f0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
    border-color: #e0e0e0;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--text-dark) 0%, var(--primary-color) 100%);
    border-radius: 50%;
    padding: 3px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.step-number-inner {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
}

.step:hover .step-number {
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.15);
}

.step h3 {
    margin: 0 0 0.75rem;
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--text-dark);
}

.step p {
    color: var(--text-light);
    margin-bottom: 0;
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* For Students Section */
.for-students {
    padding: 6rem 0;
    background: var(--bg-light);
}

.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.column-text h2 {
    margin-bottom: 1.5rem;
}

.feature-list {
    margin: 2rem 0;
}

.feature-list li {
    padding: 0.75rem 0;
    color: var(--text-dark);
    font-size: 1.125rem;
}

.highlight {
    background: var(--primary-light);
    color: white;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    margin-top: 2rem;
}

/* Download CTA */
.download-cta {
    padding: 6rem 0;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.small-text {
    font-size: 0.875rem;
    opacity: 0.9;
    margin-top: 1rem;
}

/* Footer */
.footer {
    background: var(--secondary-color);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-logo img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #cbd5e1;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #94a3b8;
}

/* Page Header */
.page-header {
    background: var(--gradient-dark);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.25rem;
    color: #cbd5e1;
    margin-bottom: 0;
}

/* Features Detail */
.features-detail {
    padding: 6rem 0;
}

.feature-detail-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 6rem;
}

.feature-detail-item.reverse {
    direction: rtl;
}

.feature-detail-item.reverse > * {
    direction: ltr;
}

.feature-badge {
    display: inline-block;
    background: var(--primary-light);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-detail-content h2 {
    margin-bottom: 1rem;
}

.lead {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.detail-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.detail-list li {
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-dark);
}

.detail-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

.detail-list strong {
    color: var(--text-dark);
}

.feature-mockup {
    width: 160px;
    height: 160px;
    background: linear-gradient(135deg, var(--text-dark) 0%, var(--primary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    margin: 0 auto;
    padding: 4px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.feature-mockup-inner {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-detail-item:hover .feature-mockup {
    transform: translateY(-4px) scale(1.04);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

/* Trial Highlight */
.trial-highlight {
    padding: 4rem 0;
    background: var(--bg-light);
}

.trial-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.trial-card {
    background: white;
    border-radius: 20px;
    padding: 3rem 2.5rem;
    text-align: center;
    border: 2px solid transparent;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.trial-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
}

.trial-adi {
    border-color: rgba(16, 185, 129, 0.2);
}

.trial-adi:hover {
    border-color: rgba(16, 185, 129, 0.4);
    box-shadow: 0 16px 40px rgba(16, 185, 129, 0.15);
}

.trial-pdi {
    border-color: rgba(236, 72, 153, 0.2);
}

.trial-pdi:hover {
    border-color: rgba(236, 72, 153, 0.4);
    box-shadow: 0 16px 40px rgba(236, 72, 153, 0.15);
}

.trial-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.trial-adi .trial-badge {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
}

.trial-pdi .trial-badge {
    background: rgba(236, 72, 153, 0.1);
    color: #db2777;
}

.trial-duration {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.adi-gradient {
    background: linear-gradient(135deg, #059669 0%, #10b981 50%, #34d399 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pdi-gradient {
    background: linear-gradient(135deg, #be185d 0%, #ec4899 50%, #f472b6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.trial-card p {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
}

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

/* Pricing */
.pricing-section {
    padding: 4rem 0;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-card {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    position: relative;
    transition: var(--transition);
}

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

.pricing-card.featured {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.popular-badge,
.savings-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
}

.savings-badge {
    background: var(--success-color);
}

.pricing-header {
    text-align: center;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0.25rem;
}

.currency {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 0.5rem;
}

.amount {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1;
}

.period {
    font-size: 1.125rem;
    color: var(--text-muted);
    align-self: flex-end;
    margin-bottom: 0.5rem;
}

.price-note {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.pricing-features {
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--text-dark);
    border-bottom: 1px solid var(--bg-light);
}

.pricing-note {
    text-align: center;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: var(--radius-md);
}

/* What's Included */
.whats-included {
    padding: 6rem 0;
    background: var(--bg-light);
}

.whats-included h2 {
    text-align: center;
    margin-bottom: 1rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-dark) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.included-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

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

.included-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.included-item h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.included-item p {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0;
}

/* ROI Section */
.roi-section {
    padding: 6rem 0;
    background: var(--bg-white);
}

.roi-section h2 {
    text-align: center;
    margin-bottom: 1rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-dark) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.roi-section .section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.roi-calculator {
    max-width: 900px;
    margin: 3rem auto 0;
    background: var(--bg-light);
    padding: 3rem;
    border-radius: var(--radius-lg);
}

.roi-inputs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.roi-input-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.roi-input-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 1rem;
}

.roi-results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.roi-result-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--radius-md);
    text-align: center;
}

.roi-result-card.highlight {
    background: var(--gradient-primary);
    color: white;
}

.roi-label {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.roi-value {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.roi-description {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* FAQ */
.faq-section {
    padding: 6rem 0;
    background: var(--bg-white);
}

.faq-section h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-dark) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.faq-item h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.faq-item p {
    color: var(--text-light);
    margin-bottom: 0;
}

.faq-accordion {
    max-width: 900px;
    margin: 0 auto;
}

.faq-accordion-item {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--bg-light);
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform 0.3s ease;
}

.faq-accordion-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 1.5rem;
}

.faq-accordion-item.active .faq-answer {
    max-height: 500px;
    padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
    color: var(--text-light);
    margin-bottom: 0;
}

/* Contact */
.contact-section {
    padding: 4rem 0 6rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
}

.contact-form-container h2 {
    margin-bottom: 1rem;
}

.contact-form {
    margin-top: 2rem;
}

.form-message {
    padding: 1rem 1.25rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.form-message.success {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.form-message.error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.form-note {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 1rem;
    text-align: center;
}

.contact-info h2 {
    margin-bottom: 2rem;
}

.contact-method {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: var(--radius-md);
}

.contact-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.contact-details p {
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.text-muted {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Delete Data Info Box */
.delete-info-box {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-top: 1rem;
}

.delete-info-box h3 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.delete-info-box ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.delete-info-box ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
    font-size: 0.9375rem;
    border-bottom: 1px solid var(--bg-light);
}

.delete-info-box ul li:last-child {
    border-bottom: none;
}

.delete-info-box ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--error-color);
    font-weight: bold;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .included-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    
    .container {
        padding: 0 1rem;
    }
    
    /* Mobile Navigation */
    .nav-links {
        position: fixed;
        top: 64px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 64px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        flex-direction: column;
        align-items: flex-start;
        padding: 2rem;
        gap: 1rem;
        transition: left 0.3s ease;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    /* Hero */
    .hero {
        padding: 2.5rem 0 3rem;
        text-align: center;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .hero-text {
        order: 2;
    }
    
    .hero h1 {
        font-size: 1.75rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn-primary,
    .hero-buttons .btn-outline {
        width: 100%;
        max-width: 280px;
    }
    
    .hero-image {
        order: 1;
        display: flex;
        justify-content: center;
    }
    
    .phone-mockup {
        animation: none;
    }
    
    .phone-frame {
        width: 180px;
        height: 370px;
        margin: 0 auto;
        border-radius: 28px;
        padding: 8px;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
    }
    
    .phone-screen {
        border-radius: 22px;
    }
    
    .app-badges,
    .app-badges-large {
        justify-content: center;
    }
    
    .app-badges img,
    .app-badges-large img {
        height: 40px;
    }
    
    /* Features */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-card {
        padding: 2rem;
    }
    
    .feature-icon {
        font-size: 3rem;
        margin-bottom: 1rem;
    }
    
    .feature-detail-item,
    .feature-detail-item.reverse {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-bottom: 4rem;
        direction: ltr;
    }
    
    /* Benefits */
    .benefit-item {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
    
    /* Stats */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    /* Steps */
    .steps {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        max-width: 400px;
    }
    
    /* Two Column */
    .two-column {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .column-image {
        order: -1;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem 1.5rem;
    }
    
    .footer-section:first-child {
        grid-column: 1 / -1;
        text-align: center;
        margin-bottom: 1rem;
    }
    
    .footer-section:first-child .footer-logo {
        justify-content: center;
    }
    
    .footer-logo img {
        width: 40px;
        height: 40px;
    }
    
    .footer-logo {
        font-size: 1.125rem;
        gap: 0.5rem;
    }
    
    .footer-section h4 {
        font-size: 0.875rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: #94a3b8;
        margin-bottom: 0.75rem;
    }
    
    .footer-section ul li {
        margin-bottom: 0.375rem;
    }
    
    .footer-section a {
        font-size: 0.9375rem;
    }
    
    .footer-bottom {
        font-size: 0.875rem;
    }
    
    /* Pricing */
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .included-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .roi-inputs,
    .roi-results {
        grid-template-columns: 1fr;
    }
    
    /* FAQ */
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 0.9375rem;
    }
    
    .phone-frame {
        width: 160px;
        height: 330px;
        border-radius: 24px;
        padding: 6px;
    }
    
    .phone-screen {
        border-radius: 20px;
    }
    
    .included-grid {
        grid-template-columns: 1fr;
    }
    
    .app-badges,
    .app-badges-large {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-section {
        text-align: center;
    }
    
    .footer-section:first-child {
        margin-bottom: 0.5rem;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

/* Signup Page */
.signup-section {
    padding: 4rem 0;
    background: var(--bg-light);
}

.signup-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    align-items: start;
}

/* Left Side Benefits */
.signup-benefits {
    position: sticky;
    top: 100px;
}

.signup-benefits h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, var(--text-dark) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.benefit-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.benefit-card {
    background: white;
    border-radius: 16px;
    padding: 1.5rem;
    border: 2px solid transparent;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.benefit-card h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0.5rem 0;
}

.benefit-card p {
    color: var(--text-light);
    margin: 0;
    font-size: 0.9rem;
}

.adi-benefit {
    border-color: rgba(16, 185, 129, 0.2);
}

.adi-benefit .benefit-badge {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
}

.pdi-benefit {
    border-color: rgba(236, 72, 153, 0.2);
}

.pdi-benefit .benefit-badge {
    background: rgba(236, 72, 153, 0.1);
    color: #db2777;
}

.benefit-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.signup-features {
    margin-bottom: 1.5rem;
}

.signup-features h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.signup-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.signup-features li {
    background: white;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    font-size: 0.85rem;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.signup-features li::before {
    content: "✓";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #10b981, #34d399);
    color: white;
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: bold;
    flex-shrink: 0;
}

.signup-note {
    background: linear-gradient(135deg, rgba(31, 186, 208, 0.1), rgba(31, 186, 208, 0.05));
    border: 1px solid rgba(31, 186, 208, 0.2);
    border-radius: 12px;
    padding: 1rem;
    font-size: 0.875rem;
    color: var(--text-dark);
}

/* Right Side Form */
.signup-form-container {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.signup-form .form-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--bg-light);
}

.signup-form .form-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.signup-form h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--text-dark);
}

.optional-label {
    font-weight: 400;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Account Type Selector */
.account-type-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.type-option {
    cursor: pointer;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    transition: all 0.2s ease;
    background: white;
}

.type-option:hover {
    border-color: var(--primary-color);
}

.type-option.selected {
    border-color: var(--primary-color);
    background: rgba(31, 186, 208, 0.05);
}

.type-option input {
    display: none;
}

.type-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
}

.type-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 700;
}

.type-badge.adi {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
}

.type-badge.pdi {
    background: rgba(236, 72, 153, 0.1);
    color: #db2777;
}

.type-label {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* Form Fields */
.signup-form .form-group {
    margin-bottom: 1rem;
}

.signup-form .form-group:last-child {
    margin-bottom: 0;
}

.signup-form label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.signup-form input[type="text"],
.signup-form input[type="email"],
.signup-form input[type="tel"],
.signup-form input[type="password"],
.signup-form input[type="date"],
.signup-form select {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    color: var(--text-dark);
    background: white;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.signup-form input:focus,
.signup-form select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(31, 186, 208, 0.1);
}

.signup-form input::placeholder {
    color: var(--text-muted);
}

.form-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* Password Input */
.password-input {
    position: relative;
}

.password-input input {
    padding-right: 3rem;
}

.toggle-password {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    color: var(--text-muted);
}

.toggle-password:hover {
    color: var(--text-dark);
}

.eye-icon {
    width: 20px;
    height: 20px;
}

/* Referral Section */
.referral-section {
    background: linear-gradient(135deg, rgba(251, 146, 60, 0.1), rgba(245, 158, 11, 0.05));
    border: 1px solid rgba(251, 146, 60, 0.3);
    border-radius: 12px;
    padding: 1.25rem !important;
    margin-top: 0.5rem;
}

.referral-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.referral-icon {
    font-size: 1.25rem;
}

.referral-header h3 {
    margin-bottom: 0 !important;
    color: #d97706;
}

.referral-description {
    color: var(--text-light);
    font-size: 0.875rem;
    margin: 0.5rem 0 1rem;
}

.referral-section input {
    border-color: rgba(251, 146, 60, 0.5);
}

.referral-section input:focus {
    border-color: #f59e0b;
    box-shadow: 0 0 0 3px rgba(251, 146, 60, 0.1);
}

.referral-status {
    margin-top: 0.5rem;
    font-size: 0.875rem;
}

.referral-status .validating {
    color: var(--text-muted);
}

/* Checkbox */
.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--primary-color);
}

.form-checkbox label {
    margin-bottom: 0;
    font-size: 0.9rem;
    color: var(--text-light);
}

.form-checkbox a {
    color: var(--primary-color);
    text-decoration: underline;
}

/* Submit Button */
.btn-submit {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-loading {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.spinner {
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.login-link {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

.login-link a {
    color: var(--primary-color);
    font-weight: 500;
}

/* Responsive */
@media (max-width: 992px) {
    .signup-wrapper {
        grid-template-columns: 1fr;
    }
    
    .signup-benefits {
        position: static;
    }
    
    .benefit-cards {
        flex-direction: row;
    }
    
    .benefit-card {
        flex: 1;
    }
}

@media (max-width: 768px) {
    .signup-form-container {
        padding: 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .account-type-selector {
        grid-template-columns: 1fr;
    }
    
    .benefit-cards {
        flex-direction: column;
    }
    
    .signup-features ul {
        grid-template-columns: 1fr;
    }
}