/* ===== CSS Variables ===== */
:root {
    --primary-dark: #0f1629;
    --primary-blue: #2c5282;
    --primary-blue-hover: #3182ce;
    --accent-blue: #3b82f6;
    --text-primary: #ffffff;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: rgba(59, 130, 246, 0.25);
    --card-bg: rgba(44, 82, 130, 0.12);
    --nav-height: 70px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--primary-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== Typography ===== */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

.section-title {
    font-size: clamp(2rem, 5vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-primary);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-blue);
    border-radius: 2px;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 22, 41, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 0 20px;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(15, 22, 41, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    z-index: 1002;
}

.nav-logo img {
    height: 50px;
    width: auto;
    transition: var(--transition);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-blue);
    transition: width 0.3s ease;
}

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

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

.nav-cta {
    background: var(--primary-blue);
    color: white;
    padding: 10px 20px;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    border-radius: 6px;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.nav-cta:hover {
    background: var(--primary-blue-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* ===== Mobile Menu ===== */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1002;
}

.hamburger-line {
    width: 25px;
    height: 2px;
    background-color: white;
    margin: 3px 0;
    transition: var(--transition);
    border-radius: 2px;
}

.mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
}

.hero-bg-wrapper {
    position: absolute;
    inset: 0;
    background-image: url("../assets/Background-banner-one.png");
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}


.hero-logo {
    position: absolute;
    top: 80px;
    left: 120px;
    z-index: 10;
    animation: fadeIn 1s ease-out;
}

.hero-logo img {
    height: clamp(500px, 65vh, 800px);
    width: auto;
    filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.4));
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - var(--nav-height));
}

.hero-text {
    text-align: center;
    animation: slideUp 0.8s ease-out;
}

.hero-tagline {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: clamp(500px, 60vh, 700px);
}

/* ===== Buttons ===== */
.btn-primary,
.btn-secondary {
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

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

.btn-primary {
    background: var(--primary-blue);
    color: white;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background: var(--primary-blue-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.btn-retry {
    margin-top: 1rem;
    padding: 10px 20px;
    background: var(--primary-blue);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.btn-retry:hover {
    background: var(--primary-blue-hover);
}

/* ===== Content Sections ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.about,
.episodes,
.subscribe {
    padding: 100px 0;
}

.about {
    background: linear-gradient(135deg, #1a2332 0%, #1e3a5f 100%);
}

.episodes {
    background: var(--primary-dark);
}

.subscribe {
    background: linear-gradient(135deg, #1e3a5f 0%, #1a2332 100%);
}

/* ===== About Section ===== */
.about-content {
    max-width: 900px;
    margin: 0 auto;
}

/* New About layout */
.about-content { display: block; }
.about-intro {
    max-width: 820px;
    margin: 0 auto 1.5rem;
    text-align: center;
}
.about-heading {
    margin-bottom: 0.35rem;
    font-weight: 800;
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    line-height: 1.1;
    letter-spacing: 0.2px;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}
.about-intro .lead {
    font-size: 1.05rem;
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: 0.2px;
    opacity: 0.95;
}
.about-divider {
    width: 80px;
    height: 2px;
    background: var(--accent-blue);
    opacity: 0.8;
    border-radius: 2px;
    margin: 1rem auto 0;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.about-text p.lead {
    font-size: 1.25rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* About highlights */
.about-heading {
    font-size: clamp(1.4rem, 3.5vw, 1.8rem);
    margin-bottom: 0.5rem;
}

.about-sub {
    color: var(--text-secondary);
    margin-top: -0.25rem;
}

/* Icon feature grid */
.feature-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
    max-width: 1100px;
    margin: 0 auto;
}

.feature {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 0.9rem;
    padding: 1rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    align-items: start;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.feature:hover {
    transform: translateY(-2px);
    border-color: var(--accent-blue);
    box-shadow: 0 10px 24px rgba(59, 130, 246, 0.18);
}

.feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
}

.feature-title {
    font-size: 1.02rem;
    margin-bottom: 0.25rem;
}

.feature-body p {
    color: var(--text-secondary);
    font-size: 0.96rem;
    line-height: 1.7;
}

.highlight-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    padding: 1.25rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.highlight-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent-blue);
    box-shadow: 0 10px 24px rgba(59, 130, 246, 0.18);
}

.highlight-card h4 {
    margin-bottom: 0.5rem;
    font-size: 1.05rem;
}

.highlight-card p {
    color: var(--text-secondary);
    font-size: 0.96rem;
    line-height: 1.7;
}

/* Desktop spacing refinements */
@media (min-width: 992px) {
    .about { padding: 68px 0; }
    .about .section-title { margin-bottom: 1.25rem; }
    .about-intro { max-width: 900px; }
    .about-heading { font-size: 2.6rem; }
    .about-intro .lead { font-size: 1rem; }
}

@media (min-width: 1200px) {
    .feature-list {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 1.1rem;
    }
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    text-align: center;
    margin-top: 3rem;
}

.stat {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== Episodes Grid ===== */
.episodes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.episode-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.episode-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
    border-color: var(--accent-blue);
}

.episode-thumbnail {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.episode-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.episode-card:hover .episode-thumbnail img {
    transform: scale(1.1);
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.episode-card:hover .play-button {
    background: rgba(220, 38, 38, 0.9);
    transform: translate(-50%, -50%) scale(1.1);
}

.episode-content {
    padding: 1.5rem;
}

.episode-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.episode-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.episode-description {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.episode-link {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}

.episode-link:hover {
    color: var(--primary-blue-hover);
    text-decoration: underline;
}

/* ===== Subscribe Section ===== */
.subscribe {
    text-align: center;
}

.subscribe-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.subscribe-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.subscribe-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.subscribe-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.subscribe-btn.youtube:hover {
    background: #ff0000;
    border-color: #ff0000;
}

.subscribe-btn.twitter:hover {
    background: #000000;
    border-color: #000000;
}

.subscribe-btn.email:hover {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
}

/* ===== Footer ===== */
.footer {
    background: #0a0f1b;
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

/* ===== Loading States ===== */
.loading-state,
.error-state {
    text-align: center;
    padding: 3rem;
}

.spinner {
    width: 50px;
    height: 50px;
    margin: 0 auto 1rem;
    border: 3px solid rgba(59, 130, 246, 0.1);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: rgba(15, 22, 41, 0.98);
        backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link::after {
        display: none;
    }
    
    .hero-logo img {
        height: 400px;
    }
    
    .hero-bg-wrapper {
        background-attachment: scroll;
    }
    
    .hero-tagline {
        font-size: 1.75rem;
    }
    
    .hero-buttons {
        margin-top: clamp(350px, 45vh, 550px);
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .episodes-grid {
        grid-template-columns: 1fr;
    }
    
    .subscribe-links {
        flex-direction: column;
        align-items: center;
    }
    
    .subscribe-btn {
        width: 100%;
        max-width: 250px;
        justify-content: center;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .hero-logo {
        left: 20px;
        top: 100px;
    }
    
    .hero-logo img {
        height: clamp(300px, 45vh, 500px);
    }
}