/* ============================================
   Timely Pill Website - Main Stylesheet
   ============================================ */

/* CSS Variables */
:root {
    /* Colors - Sky Theme (Matching Flutter App) */
    --primary-color: #0077B6;
    --primary-dark: #005F8C;
    --primary-light: #0096C7;
    --secondary-color: #48CAE4;

    /* Neutral Colors */
    --bg-cream: #F0F7FF;
    --bg-white: #FFFFFF;
    --bg-light: #E6F2FF;
    --bg-dark: #1E3A5F;

    --text-primary: #1E3A5F;
    --text-secondary: #4A5F7F;
    --text-light: #6B7F99;
    --text-white: #FFFFFF;

    /* Accent Colors */
    --accent-green: #4ECDC4;
    --accent-purple: #667EEA;
    --accent-pink: #F093FB;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1050;
    --z-tooltip: 1070;
}

/* ============================================
   Reset & Base Styles
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

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

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

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    transition: all var(--transition-base);
}

ul {
    list-style: none;
}

/* ============================================
   Utility Classes
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.section-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
}

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

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-base);
}

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

.nav-link:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-base);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--text-white);
    box-shadow: var(--shadow-md);
}

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

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

.btn-primary-small {
    padding: var(--spacing-xs) var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--text-white);
    border-radius: var(--radius-full);
    font-weight: 600;
}

.btn-primary-small:hover {
    transform: scale(1.05);
    color: var(--text-white);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-2xl);
    background: linear-gradient(135deg, var(--bg-cream) 0%, var(--bg-light) 100%);
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 119, 182, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.hero-badges .badge {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(0, 119, 182, 0.1);
    color: var(--primary-color);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

/* Hero image container */
.hero-image {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

/* Hero mockup image */
.hero-mockup {
    width: 100%;
    max-width: 500px;
    height: auto;
    display: block;
    margin: 0 auto;
    object-fit: contain;
    max-height: 70vh;
}

/* Why section mockup image */
.why-mockup {
    width: 100%;
    max-width: 600px;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* Download section mockup image */
.download-mockup {
    width: 100%;
    max-width: 600px;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.mouse {
    width: 24px;
    height: 36px;
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(12px);
    }
}

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

.arrow span {
    width: 2px;
    height: 8px;
    background: var(--primary-color);
    opacity: 0;
    animation: arrowMove 1.5s infinite;
}

.arrow span:nth-child(1) {
    animation-delay: 0s;
}

.arrow span:nth-child(2) {
    animation-delay: 0.15s;
}

.arrow span:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes arrowMove {
    0% {
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}

/* ============================================
   Promo Videos Section
   ============================================ */

.promo-videos {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-white);
    position: relative;
    overflow: hidden;
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.video-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    position: relative;
}

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

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    background: #000;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-info {
    padding: var(--spacing-lg);
    background: var(--bg-white);
}

.video-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.video-icon {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
}

.video-description {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   Features Section
   ============================================ */

.features {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--bg-cream) 0%, var(--bg-light) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    padding: var(--spacing-xl);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   Why Section
   ============================================ */

.why-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-white);
}

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

.why-item {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.why-icon {
    font-size: var(--font-size-3xl);
    flex-shrink: 0;
}

.why-item h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.why-item p {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    line-height: 1.7;
}

.why-image {
    display: flex;
    justify-content: center;
}

/* ============================================
   FAQ Section
   ============================================ */

.faq {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--bg-cream) 0%, var(--bg-light) 100%);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-sm);
    display: block;
    text-align: left;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    background: transparent;
    border: none;
    cursor: default;
    pointer-events: none;
}

.faq-icon {
    display: none;
}

.faq-answer {
    max-height: none;
    overflow: visible;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   Download Section
   ============================================ */

.download {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-white);
}

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

.store-badges {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.badge-coming-soon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.store-badge {
    height: 50px;
    width: auto;
    opacity: 0.5;
    filter: grayscale(100%);
}

.store-badge-link {
    display: inline-block;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.store-badge-link .store-badge {
    height: 60px;
    opacity: 1;
    filter: grayscale(0%);
}

.store-badge-link:hover {
    transform: translateY(-2px);
}

.store-badge-link:active {
    transform: translateY(0);
}

.hero-store-badges {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.coming-soon-label {
    background: var(--primary-color);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: var(--font-size-xs);
    white-space: nowrap;
}

.notify-form {
    margin-top: var(--spacing-xl);
}

.notify-text {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.email-signup {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.email-input {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-full);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
}

.email-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.privacy-note {
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

.download-image {
    display: flex;
    justify-content: center;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--text-primary);
    color: var(--text-white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

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

.footer-logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.footer-heading {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-base);
}

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

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright,
.made-with {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}