/* Tender Waves - Main Stylesheet */
/* Created by Zootaloot Studios - https://zootaloot.com */

/* ============================================
   VARIABLES & RESET
   ============================================ */
:root {
    /* Tender Waves Color Palette - Calming Blues & Greens */
    --primary-color: #4A90A4;
    --secondary-color: #7BBDC8;
    --accent-color: #9BD4D9;
    --text-dark: #2C3E50;
    --text-light: #5A6C7D;
    --background-light: #F8FAFB;
    --background-white: #FFFFFF;
    --border-color: #E1E8ED;
    --success-color: #6BC9A6;
    --warning-color: #FFB84D;
    
    /* Typography */
    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'Lato', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* 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 8px 24px rgba(0,0,0,0.12);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background-color: var(--background-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
}

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
    background: var(--background-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-banner {
    background: linear-gradient(135deg, #E8F4F6 0%, #D4E9EC 100%);
    padding: var(--spacing-sm) 0;
}

.banner-image {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    display: block;
}

.main-nav {
    border-top: 1px solid var(--border-color);
}

.main-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-menu a {
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: var(--accent-color);
    color: var(--text-dark);
}

.subscribe-btn {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all 0.3s ease;
}

.subscribe-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
    .main-nav .container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-sm);
    }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
}

.hero-description {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
}

/* ============================================
   SECTIONS
   ============================================ */
section {
    padding: var(--spacing-xl) 0;
}

section h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

/* ============================================
   VIDEO GRID
   ============================================ */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.video-card {
    background: var(--background-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    cursor: pointer;
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.video-thumbnail {
    position: relative;
    padding-top: 56.25%; /* 16:9 aspect ratio */
    background: var(--border-color);
    overflow: hidden;
}

.video-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
}

.video-info {
    padding: var(--spacing-sm);
}

.video-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-meta {
    display: flex;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--text-light);
}

.video-categories {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xs);
}

.category-tag {
    background: var(--accent-color);
    color: var(--text-dark);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
}

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

/* ============================================
   CATEGORIES GRID
   ============================================ */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.category-card {
    background: var(--background-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.category-name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.category-description {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.5;
}

.category-count {
    margin-top: var(--spacing-sm);
    color: var(--primary-color);
    font-weight: 600;
}

/* ============================================
   ABOUT PREVIEW
   ============================================ */
.about-preview {
    background: var(--background-white);
    text-align: center;
}

.about-preview p {
    max-width: 700px;
    margin: 0 auto var(--spacing-md);
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

/* ============================================
   LOADING & EMPTY STATES
   ============================================ */
.loading,
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-light);
    font-size: 1.1rem;
}

.loading::after {
    content: '...';
    animation: dots 1.5s infinite;
}

@keyframes dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--text-dark);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--accent-color);
}

.footer-section p {
    color: rgba(255,255,255,0.8);
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: rgba(255,255,255,0.8);
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    color: rgba(255,255,255,0.6);
}

.footer-bottom p {
    margin-bottom: var(--spacing-xs);
}

.footer-credit {
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
}

.footer-credit a {
    color: var(--accent-color);
    font-weight: 600;
}

.disclaimer {
    font-size: 0.85rem;
    font-style: italic;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    :root {
        font-size: 15px;
    }
}

@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.hidden {
    display: none !important;
}