/* ==========================================================================
   初日手帳 Landing Page - Modern CSS
   ========================================================================== */

/* --------------------------------------------------------------------------
   Custom Fonts
   -------------------------------------------------------------------------- */
@font-face {
    font-family: 'LihsianTi';
    src: url('assets/fonts/lihsianti-proportional.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* --------------------------------------------------------------------------
   CSS Variables & Design Tokens
   -------------------------------------------------------------------------- */
:root {
    /* Colors - Brand */
    --color-primary: #FF7F50;
    --color-primary-dark: #E5653A;
    --color-primary-light: #FFB399;
    --color-secondary: #2979FF;
    --color-secondary-light: #82B1FF;

    /* Colors - Background */
    --color-bg: #FFF9F5;
    --color-bg-dark: #121212;
    --color-surface: #FFFFFF;
    --color-surface-elevated: rgba(255, 255, 255, 0.9);

    /* Colors - Text */
    --color-text-primary: #1A1A1A;
    --color-text-secondary: #666666;
    --color-text-tertiary: #999999;
    --color-text-inverse: #FFFFFF;

    /* Colors - Semantic */
    --color-feeding: #2979FF;
    --color-sleep: #FFD93D;
    --color-diaper: #FF7F50;
    --color-growth: #6BCB77;
    --color-food: #9C27B0;

    /* Typography - Soft Rounded (Nunito Sans) for friendly parenting app */
    --font-primary: 'Nunito Sans', 'Noto Sans TC', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Noto Sans TC', 'Nunito Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing - Mobile First */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 96px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 60px rgba(255, 127, 80, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease-out;
    --transition-base: 250ms ease-out;
    --transition-slow: 400ms ease-out;

    /* Container - Mobile First */
    --container-max: 1200px;
    --container-padding: 16px;
}

/* Responsive Container Padding */
@media (min-width: 640px) {
    :root {
        --container-padding: 24px;
    }
}

@media (min-width: 1024px) {
    :root {
        --container-padding: 32px;
    }
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

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

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

ul,
ol {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.highlight {
    color: var(--color-primary);
    position: relative;
}

/* Brand Title - 初日手帳 uses special font */
.brand-title {
    font-family: 'LihsianTi', 'Noto Sans TC', sans-serif;
    font-weight: normal;
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: var(--color-surface-elevated);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-text-primary);
}

.nav-logo-img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-links a {
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-primary);
}

.nav-cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-text-inverse) !important;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    box-shadow: 0 4px 16px rgba(255, 127, 80, 0.3);
    transition: all var(--transition-fast);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(255, 127, 80, 0.4);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    padding: var(--space-lg);
    flex-direction: column;
    gap: var(--space-md);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.mobile-menu a {
    padding: var(--space-md);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.mobile-menu a:hover {
    background: var(--color-bg);
}

.mobile-cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-text-inverse) !important;
    text-align: center;
}

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

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

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

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    min-height: 100vh;
    padding: 120px 0 var(--space-3xl);
    position: relative;
    overflow: hidden;
}

.hero-bg-gradient {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse at center, rgba(255, 127, 80, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--color-surface);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-lg);
}

.badge-icon {
    font-size: 1rem;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
    line-height: 1.4;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 480px;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-text-inverse);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    box-shadow: 0 8px 24px rgba(255, 127, 80, 0.35);
    transition: all var(--transition-fast);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(255, 127, 80, 0.45);
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--color-surface);
    color: var(--color-text-primary);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    border: 1px solid rgba(0, 0, 0, 0.08);
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--color-bg);
    border-color: rgba(0, 0, 0, 0.12);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.stat-stars {
    color: #FFB800;
    font-size: 0.875rem;
    letter-spacing: 2px;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(0, 0, 0, 0.1);
}

/* Hero Image & Phone Mockup */
.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
    z-index: 2;
}

.phone-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 127, 80, 0.25) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
}

.phone-screen {
    width: 320px;
    border-radius: 40px;
    box-shadow: var(--shadow-xl);
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--color-surface);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
    z-index: 3;
}

.floating-card.card-1 {
    top: 15%;
    left: -10%;
    animation-delay: 0s;
}

.floating-card.card-2 {
    bottom: 25%;
    right: -15%;
    animation-delay: 2s;
}

.floating-card.card-3 {
    top: 60%;
    left: -20%;
    animation-delay: 4s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

.fc-icon {
    font-size: 1.5rem;
}

.fc-text {
    display: flex;
    flex-direction: column;
}

.fc-title {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
}

.fc-value {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-tertiary);
    font-size: 0.875rem;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--color-text-tertiary);
    border-bottom: 2px solid var(--color-text-tertiary);
    transform: rotate(45deg);
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(10px);
    }

    60% {
        transform: translateX(-50%) translateY(5px);
    }
}

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

    .hero-description {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

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

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

    .hero-image {
        order: -1;
        margin-bottom: var(--space-xl);
    }

    .floating-card {
        display: none;
    }

    .phone-screen {
        width: 280px;
    }
}

/* --------------------------------------------------------------------------
   Section Header
   -------------------------------------------------------------------------- */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, rgba(255, 127, 80, 0.1) 0%, rgba(255, 127, 80, 0.2) 100%);
    color: var(--color-primary);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

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

/* --------------------------------------------------------------------------
   Features Section
   -------------------------------------------------------------------------- */
.features {
    padding: var(--space-4xl) 0;
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-surface) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.feature-card {
    background: var(--color-surface);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.feature-card.feature-large {
    grid-column: span 2;
}

.feature-icon-wrapper {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.feature-icon-wrapper.coral {
    background: linear-gradient(135deg, rgba(255, 127, 80, 0.15) 0%, rgba(255, 127, 80, 0.25) 100%);
}

.feature-icon-wrapper.blue {
    background: linear-gradient(135deg, rgba(41, 121, 255, 0.15) 0%, rgba(41, 121, 255, 0.25) 100%);
}

.feature-icon-wrapper.green {
    background: linear-gradient(135deg, rgba(107, 203, 119, 0.15) 0%, rgba(107, 203, 119, 0.25) 100%);
}

.feature-icon-wrapper.yellow {
    background: linear-gradient(135deg, rgba(255, 217, 61, 0.15) 0%, rgba(255, 217, 61, 0.25) 100%);
}

.feature-icon-wrapper.purple {
    background: linear-gradient(135deg, rgba(156, 39, 176, 0.15) 0%, rgba(156, 39, 176, 0.25) 100%);
}

.feature-icon {
    font-size: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.feature-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.feature-demo {
    margin-top: var(--space-lg);
    padding: var(--space-lg);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
}

.voice-wave {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 4px;
    height: 40px;
    margin-bottom: var(--space-md);
}

.voice-wave span {
    width: 4px;
    background: var(--color-primary);
    border-radius: 2px;
    animation: wave 1.2s ease-in-out infinite;
}

.voice-wave span:nth-child(1) {
    height: 10px;
    animation-delay: 0s;
}

.voice-wave span:nth-child(2) {
    height: 20px;
    animation-delay: 0.1s;
}

.voice-wave span:nth-child(3) {
    height: 30px;
    animation-delay: 0.2s;
}

.voice-wave span:nth-child(4) {
    height: 40px;
    animation-delay: 0.3s;
}

.voice-wave span:nth-child(5) {
    height: 25px;
    animation-delay: 0.4s;
}

.voice-wave span:nth-child(6) {
    height: 35px;
    animation-delay: 0.5s;
}

.voice-wave span:nth-child(7) {
    height: 20px;
    animation-delay: 0.6s;
}

.voice-wave span:nth-child(8) {
    height: 40px;
    animation-delay: 0.7s;
}

.voice-wave span:nth-child(9) {
    height: 15px;
    animation-delay: 0.8s;
}

.voice-wave span:nth-child(10) {
    height: 25px;
    animation-delay: 0.9s;
}

@keyframes wave {

    0%,
    100% {
        transform: scaleY(0.5);
    }

    50% {
        transform: scaleY(1);
    }
}

.demo-text {
    text-align: center;
    font-weight: 500;
    color: var(--color-text-primary);
}

@media (max-width: 992px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

    .feature-card.feature-large {
        grid-column: span 1;
    }
}

/* --------------------------------------------------------------------------
   AI Section
   -------------------------------------------------------------------------- */
.ai-section {
    padding: var(--space-4xl) 0;
    background: var(--color-surface);
}

.ai-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.ai-text h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
}

.ai-text>p {
    color: var(--color-text-secondary);
    font-size: 1.125rem;
    margin-bottom: var(--space-xl);
}

.ai-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.ai-feature {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.ai-feature-icon {
    width: 48px;
    height: 48px;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.ai-feature-text h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.ai-feature-text p {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

.ai-visual {
    position: relative;
}

.ai-card-stack {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.ai-response-card {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-text-inverse);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    display: flex;
    gap: var(--space-md);
    box-shadow: var(--shadow-lg);
}

.ai-avatar {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.ai-label {
    font-size: 0.75rem;
    opacity: 0.8;
    margin-bottom: var(--space-xs);
}

.ai-content-text {
    font-size: 0.9rem;
    line-height: 1.6;
}

.ai-data-card {
    background: var(--color-bg);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.data-header {
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.data-bars {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.data-bar {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.bar-label {
    width: 60px;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.bar-track {
    flex: 1;
    height: 8px;
    background: rgba(0, 0, 0, 0.05);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
    border-radius: var(--radius-full);
    transition: width 1s ease;
}

.bar-fill.low {
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.bar-value {
    width: 40px;
    font-size: 0.875rem;
    font-weight: 600;
    text-align: right;
}

@media (max-width: 992px) {
    .ai-content {
        grid-template-columns: 1fr;
    }

    .ai-visual {
        order: -1;
    }
}

/* --------------------------------------------------------------------------
   Timeline Section
   -------------------------------------------------------------------------- */
.timeline-section {
    padding: var(--space-4xl) 0;
    background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
}

.timeline-showcase {
    max-width: 600px;
    margin: 0 auto;
}

.timeline-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.timeline-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.timeline-time {
    width: 60px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-tertiary);
    text-align: right;
    flex-shrink: 0;
}

.timeline-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
    position: relative;
}

.timeline-dot.feeding {
    background: var(--color-feeding);
}

.timeline-dot.sleep {
    background: var(--color-sleep);
}

.timeline-dot.diaper {
    background: var(--color-diaper);
}

.timeline-dot.food {
    background: var(--color-food);
}

.timeline-dot::before {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 48px;
    background: rgba(0, 0, 0, 0.08);
}

.timeline-item:last-child .timeline-dot::before {
    display: none;
}

.timeline-card {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: var(--color-surface);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.timeline-card:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.tl-icon {
    font-size: 1.5rem;
}

.tl-content {
    display: flex;
    flex-direction: column;
}

.tl-title {
    font-weight: 600;
    font-size: 0.9rem;
}

.tl-desc {
    font-size: 0.8rem;
    color: var(--color-text-tertiary);
}

/* --------------------------------------------------------------------------
   Pricing Section
   -------------------------------------------------------------------------- */
.pricing {
    padding: var(--space-4xl) 0;
    background: var(--color-bg);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    align-items: stretch;
}

.pricing-card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all var(--transition-base);
}

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

.pricing-card.featured {
    border: 2px solid var(--color-primary);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-text-inverse);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.pricing-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-xs);
}

.currency {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1;
}

.period {
    font-size: 1rem;
    color: var(--color-text-tertiary);
}

.pricing-features {
    flex: 1;
    margin-bottom: var(--space-xl);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: 0.9rem;
}

.pricing-features .check {
    color: var(--color-growth);
    font-weight: 600;
}

.pricing-features .check.highlight {
    color: var(--color-primary);
}

.pricing-features .dim {
    color: var(--color-text-tertiary);
}

.pricing-btn {
    display: block;
    text-align: center;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: all var(--transition-fast);
}

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

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

@media (max-width: 992px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .pricing-card.featured {
        transform: none;
    }

    .pricing-card.featured:hover {
        transform: translateY(-8px);
    }
}

/* --------------------------------------------------------------------------
   Download Section
   -------------------------------------------------------------------------- */
.download {
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-text-inverse);
    text-align: center;
}

.download-content h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.download-content>p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: var(--space-xl);
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.app-store-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-md);
    background: #000;
    color: #fff;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.app-store-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.store-icon {
    width: 32px;
    height: 32px;
}

.store-text {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.store-label {
    font-size: 0.7rem;
    opacity: 0.8;
}

.store-name {
    font-size: 1.25rem;
    font-weight: 600;
}

.qr-section p {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-bottom: var(--space-md);
}

.qr-placeholder {
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 2rem;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    background: var(--color-surface);
    padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.footer-logo {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
}

.footer-brand p {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.footer-column h4 {
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
}

.footer-column a {
    display: block;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    padding: var(--space-xs) 0;
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-primary);
}

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

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--color-bg);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-primary);
}

.footer-social a:hover svg {
    fill: var(--color-text-inverse);
}

.footer-social svg {
    width: 18px;
    height: 18px;
    fill: var(--color-text-secondary);
    transition: fill var(--transition-fast);
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
    }
}

/* ==========================================================================
   Enhanced Responsive Design System
   ========================================================================== */

/* --------------------------------------------------------------------------
   Extra Small (320px - Mobile Portrait)
   -------------------------------------------------------------------------- */
@media (max-width: 479px) {
    html {
        font-size: 14px;
    }

    .hero {
        padding: 100px 0 var(--space-xl);
        min-height: auto;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-primary,
    .btn-secondary {
        justify-content: center;
        padding: var(--space-md);
        min-height: 48px;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-md);
    }

    .stat-divider {
        width: 60px;
        height: 1px;
    }

    .phone-screen {
        width: 220px;
    }

    .phone-glow {
        width: 280px;
        height: 280px;
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

    .section-header p {
        font-size: 1rem;
    }

    .feature-card {
        padding: var(--space-lg);
    }

    .feature-icon-wrapper {
        width: 48px;
        height: 48px;
    }

    .feature-card h3 {
        font-size: 1.125rem;
    }

    .pricing-card {
        padding: var(--space-lg);
    }

    .amount {
        font-size: 2.5rem;
    }

    .timeline-time {
        width: 50px;
        font-size: 0.75rem;
    }

    .timeline-card {
        padding: var(--space-sm) var(--space-md);
    }

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

    .scroll-indicator {
        display: none;
    }

    .download h2 {
        font-size: 1.5rem;
    }

    .app-store-btn {
        padding: var(--space-md);
    }

    .store-name {
        font-size: 1.125rem;
    }
}

/* --------------------------------------------------------------------------
   Small (480px - Mobile Landscape)
   -------------------------------------------------------------------------- */
@media (min-width: 480px) and (max-width: 639px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-cta {
        flex-direction: row;
        justify-content: center;
    }

    .phone-screen {
        width: 260px;
    }

    .hero-stats {
        flex-direction: row;
    }

    .stat-divider {
        width: 1px;
        height: 40px;
    }
}

/* --------------------------------------------------------------------------
   Medium (640px - Tablet Portrait)
   -------------------------------------------------------------------------- */
@media (min-width: 640px) and (max-width: 767px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .feature-card.feature-large {
        grid-column: span 2;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* --------------------------------------------------------------------------
   Large (768px - Tablet Landscape)
   -------------------------------------------------------------------------- */
@media (min-width: 768px) and (max-width: 1023px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .feature-card.feature-large {
        grid-column: span 2;
    }

    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 700px;
        margin: 0 auto;
    }

    .pricing-card.featured {
        grid-column: span 2;
        max-width: 400px;
        justify-self: center;
    }
}

/* --------------------------------------------------------------------------
   XL (1024px - Desktop)
   -------------------------------------------------------------------------- */
@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .feature-card.feature-large {
        grid-column: span 2;
    }

    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        max-width: none;
    }

    .pricing-card.featured {
        grid-column: span 1;
        max-width: none;
    }

    .floating-card {
        display: flex;
    }
}

/* --------------------------------------------------------------------------
   2XL (1280px - Large Desktop)
   -------------------------------------------------------------------------- */
@media (min-width: 1280px) {
    :root {
        --container-max: 1280px;
    }

    .hero-content {
        gap: var(--space-4xl);
    }

    .phone-screen {
        width: 360px;
    }
}

/* --------------------------------------------------------------------------
   Touch Targets & Accessibility
   -------------------------------------------------------------------------- */
/* Minimum 44px touch targets on mobile */
@media (max-width: 768px) {

    .nav-cta,
    .mobile-cta,
    .btn-primary,
    .btn-secondary,
    .pricing-btn,
    .app-store-btn,
    a[href] {
        min-height: 44px;
    }

    .mobile-menu a {
        min-height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .mobile-menu-btn {
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .footer-social a {
        width: 44px;
        height: 44px;
    }
}

/* Focus Visible for Keyboard Navigation */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Improve contrast for text */
.feature-card p,
.ai-feature-text p,
.tl-desc {
    color: var(--color-text-secondary);
}

/* Hover cursor for interactive elements */
.feature-card,
.pricing-card,
.timeline-card,
.ai-feature {
    cursor: default;
}

.feature-card:hover,
.pricing-card:hover,
.timeline-card:hover {
    cursor: pointer;
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */
@media print {

    .navbar,
    .mobile-menu,
    .scroll-indicator,
    .floating-card,
    .hero-cta,
    .download,
    .footer-social {
        display: none !important;
    }

    .hero {
        min-height: auto;
        padding: var(--space-xl) 0;
    }

    body {
        background: white;
        color: black;
    }

    a {
        color: inherit;
    }
}

/* --------------------------------------------------------------------------
   Safe Area Support (iOS Notch)
   -------------------------------------------------------------------------- */
@supports (padding: max(0px)) {
    .navbar {
        padding-top: max(var(--space-md), env(safe-area-inset-top));
        padding-left: max(var(--container-padding), env(safe-area-inset-left));
        padding-right: max(var(--container-padding), env(safe-area-inset-right));
    }

    .footer {
        padding-bottom: max(var(--space-lg), env(safe-area-inset-bottom));
    }

    .container {
        padding-left: max(var(--container-padding), env(safe-area-inset-left));
        padding-right: max(var(--container-padding), env(safe-area-inset-right));
    }
}