/* ============================================
   ERGÜL YILMAZ — Spiritual Design System
   ============================================ */

:root {
    /* Backgrounds */
    --bg-primary: #1C1A3A;
    --bg-secondary: #3C2A5F;
    --bg-deep: #4A2F73;
    --surface: rgba(74, 47, 115, 0.4);
    --surface-card: rgba(28, 26, 58, 0.7);
    
    /* Accents */
    --violet-soft: #6E4FA3;
    --lavender: #9A7ACB;
    --gold: #F3C969;
    --gold-glow: #F7B94C;
    --pink-lilac: #C49EDB;
    
    /* Text */
    --text-cream: #F2E9D8;
    --text-muted: rgba(242, 233, 216, 0.75);
    --text-soft: rgba(242, 233, 216, 0.6);
    
    /* Borders & glows */
    --border: rgba(154, 122, 203, 0.25);
    --glow-gold: rgba(243, 201, 105, 0.2);
    --glow-lavender: rgba(154, 122, 203, 0.15);
    
    /* Typography */
    --font-heading: 'Cormorant Garamond', 'Cinzel', Georgia, serif;
    --font-body: 'Cormorant Garamond', 'Libre Baskerville', Georgia, serif;
    --font-ui: 'Inter', sans-serif;
    
    /* Spacing */
    --section-padding: clamp(4rem, 10vw, 6rem);
    --container: min(1100px, 92vw);
    --radius: 16px;
    --radius-pill: 999px;
    
    /* Transitions */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 0.35s var(--ease);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-cream);
    line-height: 1.7;
    overflow-x: hidden;
    font-size: 1.05rem;
}

/* Background layers - cosmic */
.page-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.page-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(110, 79, 163, 0.25) 0%, transparent 50%),
        radial-gradient(ellipse 60% 80% at 80% 80%, rgba(74, 47, 115, 0.4) 0%, transparent 50%),
        radial-gradient(ellipse 50% 60% at 20% 100%, rgba(60, 42, 95, 0.3) 0%, transparent 50%);
}

.page-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(1.5px 1.5px at 20px 30px, rgba(242, 233, 216, 0.12), transparent),
        radial-gradient(1.5px 1.5px at 40px 70px, rgba(242, 233, 216, 0.08), transparent),
        radial-gradient(1.5px 1.5px at 50px 160px, rgba(242, 233, 216, 0.1), transparent);
    background-size: 80px 120px;
    animation: starDrift 80s linear infinite;
}

@keyframes starDrift {
    to { transform: translateY(-120px); }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(28, 26, 58, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.nav {
    max-width: var(--container);
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-cream);
    text-decoration: none;
    letter-spacing: 0.04em;
}

.logo:hover { color: var(--gold); }

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    transition: color var(--transition);
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-cream);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Layout */
main { position: relative; z-index: 1; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: var(--section-padding) 0;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 600;
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--text-cream);
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 560px;
    margin: 0 auto 3rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.9rem 2rem;
    border-radius: var(--radius-pill);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-glow) 100%);
    color: var(--bg-primary);
    box-shadow: 0 4px 20px var(--glow-gold);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px var(--glow-gold);
}

.btn-secondary {
    background: transparent;
    color: var(--lavender);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--lavender);
    color: var(--text-cream);
    box-shadow: 0 0 24px var(--glow-lavender);
}

/* Cards - spiritual */
.card {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    backdrop-filter: blur(8px);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
    border-color: rgba(154, 122, 203, 0.45);
    box-shadow: 0 12px 40px var(--glow-lavender);
    transform: translateY(-4px);
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-cream);
}

.card-text {
    color: var(--text-muted);
    font-size: 1rem;
}

/* Book cards */
.book-card {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    display: block;
    transition: transform var(--transition), box-shadow var(--transition);
}

.book-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 20px 50px var(--glow-lavender);
}

.book-card-cover {
    aspect-ratio: 2/3;
    object-fit: cover;
    width: 100%;
}

.book-card-body {
    padding: 1.5rem;
}

.book-card-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: var(--text-cream);
}

.book-card-line {
    color: var(--gold);
    font-size: 0.95rem;
    font-style: italic;
}

/* Healing / service cards */
.healing-card {
    text-align: center;
    padding: 2rem 1.5rem;
}

.healing-card-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    background: radial-gradient(circle, var(--glow-lavender) 0%, transparent 70%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--lavender);
}

/* Content cards (şiir, aforizma, yazı) */
.content-card {
    padding: 2rem;
}

.content-card h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-cream);
}

.content-card .meta {
    color: var(--text-soft);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

/* Hero - mystical */
/* Hero: video background + overlay + centered content */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 1.5rem 4rem;
    position: relative;
    overflow: hidden;
}

.hero-video-wrap {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translate(-50%, -50%);
}

.hero-video-fallback {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, #1C1A3A 0%, #3C2A5F 100%);
    z-index: 0;
    opacity: 1;
    transition: opacity 0.5s ease;
}

.hero.hero--video-loaded .hero-video-fallback {
    opacity: 0;
}

.hero.hero--no-video .hero-video-fallback {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(28, 26, 58, 0.65);
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    animation: fadeUp 1s var(--ease);
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: 0.5rem;
    color: var(--text-cream);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

/* Quote / Manifesto block */
.quote-block {
    text-align: center;
    padding: var(--section-padding) 1.5rem;
    position: relative;
}

.quote-block::before {
    content: '"';
    position: absolute;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-heading);
    font-size: 5rem;
    color: var(--lavender);
    opacity: 0.3;
}

.quote-block p {
    font-family: var(--font-heading);
    font-size: clamp(1.35rem, 2.5vw, 1.75rem);
    line-height: 1.8;
    color: var(--text-muted);
    max-width: 720px;
    margin: 0 auto;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem 1.25rem;
    background: rgba(28, 26, 58, 0.6);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-cream);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--lavender);
    box-shadow: 0 0 0 3px var(--glow-lavender);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

/* Page hero (inner pages) */
.page-hero {
    padding: 8rem 1.5rem 4rem;
    text-align: center;
    position: relative;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 50% at 50% 30%, rgba(110, 79, 163, 0.25) 0%, transparent 60%);
    pointer-events: none;
}

.page-hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    margin-bottom: 0.75rem;
    position: relative;
}

.page-hero .lead {
    color: var(--text-muted);
    font-size: 1.15rem;
    max-width: 560px;
    margin: 0 auto;
}

/* Detail content */
.detail-content {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 1.5rem 4rem;
}

.detail-content h2 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    margin: 2.5rem 0 1rem;
    color: var(--text-cream);
}

.detail-content p {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.detail-content ul {
    margin: 1rem 0 1rem 1.5rem;
    color: var(--text-muted);
}

.detail-content .excerpt {
    border-left: 3px solid var(--gold);
    padding: 1.25rem 1.5rem;
    margin: 2rem 0;
    background: var(--surface);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-style: italic;
    color: var(--text-muted);
}

/* Footer */
.footer {
    padding: 2.5rem 1.5rem;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer p {
    color: var(--text-soft);
    font-size: 0.95rem;
}

/* Grids */
.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 2rem;
    justify-items: center;
}

.healing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

/* Responsive */
/* Book detail layout */
.book-detail-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(28, 26, 58, 0.98);
        padding: 1.5rem;
        gap: 1rem;
        border-bottom: 1px solid var(--border);
    }
    .menu-toggle { display: block; }
    .hero-buttons { flex-direction: column; }
    .books-grid { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
    .healing-grid { grid-template-columns: repeat(2, 1fr); }
    .book-detail-layout { grid-template-columns: 1fr; }
}

/* Utility - fade up on scroll */
.reveal {
    opacity: 0;
    transform: translateY(24px);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Link list (for healing index) */
.link-list {
    list-style: none;
}

.link-list a {
    display: block;
    padding: 1rem 1.25rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: var(--radius);
    transition: background var(--transition), color var(--transition);
}

.link-list a:hover {
    background: var(--surface);
    color: var(--gold);
}