/**
 * LUXURY PREMIUM DESIGN - HIGH-END AESTHETIC
 * Override for maximum premium feel
 */

/* ============================================================
   HEADER - LUXURY DESIGN
   ============================================================ */
.site-header {
    background: linear-gradient(to right, #FEFDFB 0%, #FFFFFF 100%);
    border-bottom: 1px solid #E8E6E1;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(11, 31, 51, 0.06);
    backdrop-filter: blur(10px);
}

.navbar-brand .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0B1F33;
    letter-spacing: -0.5px;
    font-family: 'Playfair Display', serif;
}

.nav-links a {
    color: #2C2C2C;
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    position: relative;
    padding: 0.5rem 1rem;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #D4AF37;
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
}

.nav-links a:hover::before {
    width: 100%;
}

/* ============================================================
   HERO SECTION - LUXURY
   ============================================================ */
.hero {
    background: linear-gradient(135deg, #0B1F33 0%, #1a3a52 50%, #0B1F33 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
    color: white;
    text-align: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(212, 175, 55, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 2rem;
    line-height: 1.1;
    letter-spacing: -1px;
    font-family: 'Playfair Display', serif;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.95;
    font-weight: 400;
    line-height: 1.8;
    letter-spacing: 0.3px;
}

/* ============================================================
   PREMIUM BADGE
   ============================================================ */
.premium-badge {
    display: inline-block;
    background: rgba(212, 175, 55, 0.15);
    border: 1px solid #D4AF37;
    color: #D4AF37;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
}

/* ============================================================
   PREMIUM BUTTONS
   ============================================================ */
.btn {
    font-weight: 600;
    letter-spacing: 0.5px;
    border-radius: 4px;
    padding: 14px 40px;
    font-size: 0.95rem;
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    background: #9418ae;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: left 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: #0B1F33;
    color: white;
    box-shadow: 0 8px 24px rgba(11, 31, 51, 0.25);
    border: 2px solid #0B1F33;
}

.btn-primary:hover {
    background: #1a3a52;
    border-color: #D4AF37;
    box-shadow: 0 12px 40px rgba(11, 31, 51, 0.35), 0 0 30px rgba(212, 175, 55, 0.2);
    transform: translateY(-4px);
}

.btn-secondary {
    background: transparent;
    color: #0B1F33;
    border: 2px solid #0B1F33;
    box-shadow: 0 4px 16px rgba(11, 31, 51, 0.08);
}

.btn-secondary:hover {
    background: #0B1F33;
    color: white;
    box-shadow: 0 8px 24px rgba(11, 31, 51, 0.25);
    transform: translateY(-2px);
}

.btn-accent {
    background: #D4AF37;
    color: #0B1F33;
    font-weight: 700;
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.25);
    border: 2px solid #D4AF37;
}

.btn-accent:hover {
    background: #E8C547;
    border-color: #E8C547;
    box-shadow: 0 12px 40px rgba(212, 175, 55, 0.35);
    transform: translateY(-4px);
}

/* ============================================================
   PREMIUM CARDS
   ============================================================ */
.book-card {
    background: #FFFFFF;
    border: 1px solid #E8E6E1;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(11, 31, 51, 0.08);
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.book-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #D4AF37 0%, #E8C547 100%);
    opacity: 0;
    transition: opacity 300ms;
}

.book-card:hover {
    box-shadow: 0 12px 40px rgba(11, 31, 51, 0.15);
    border-color: #D4AF37;
    transform: translateY(-12px);
}

.book-card:hover::before {
    opacity: 1;
}

.book-cover {
    position: relative;
    aspect-ratio: 2/3;
    background: linear-gradient(135deg, #F5F3F0 0%, #FEFDFB 100%);
    overflow: hidden;
}

.book-cover::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(212, 175, 55, 0.05) 50%, transparent 70%);
    opacity: 0;
    transition: opacity 300ms;
}

.book-card:hover .book-cover::after {
    opacity: 1;
}

.book-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #D4AF37;
    letter-spacing: -0.5px;
}

/* ============================================================
   PREMIUM SECTIONS
   ============================================================ */
.section {
    padding: 80px 0;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: #0B1F33;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: #D4AF37;
    margin-top: 1.5rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #727272;
    font-weight: 400;
    letter-spacing: 0.3px;
    line-height: 1.7;
}

/* ============================================================
   FEATURE CARDS - LUXURY
   ============================================================ */
.feature-card {
    background: #FFFFFF;
    padding: 3rem 2rem;
    border: 1px solid #E8E6E1;
    border-radius: 8px;
    text-align: center;
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 16px rgba(11, 31, 51, 0.06);
}

.feature-card:hover {
    box-shadow: 0 12px 40px rgba(11, 31, 51, 0.12);
    transform: translateY(-8px);
    border-color: #D4AF37;
}

.feature-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 2rem;
    background: linear-gradient(135deg, #D4AF37 0%, #E8C547 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: #0B1F33;
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.2);
}

.feature-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: #0B1F33;
    margin-bottom: 1rem;
    letter-spacing: -0.3px;
}

/* ============================================================
   CTA SECTION - LUXURY
   ============================================================ */
.cta-section {
    background: linear-gradient(135deg, #0B1F33 0%, #1a3a52 50%, #0B1F33 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
    color: white;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(212, 175, 55, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.cta-title {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.cta-text {
    font-size: 1.2rem;
    opacity: 0.95;
    letter-spacing: 0.3px;
    font-weight: 400;
}

/* ============================================================
   AUTHOR CARDS - LUXURY
   ============================================================ */
.author-card {
    background: #FFFFFF;
    border: 1px solid #E8E6E1;
    border-radius: 8px;
    padding: 2.5rem;
    text-align: center;
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 16px rgba(11, 31, 51, 0.08);
}

.author-card:hover {
    box-shadow: 0 12px 40px rgba(11, 31, 51, 0.15);
    transform: translateY(-8px);
    border-color: #D4AF37;
}

.author-image {
    width: 140px;
    height: 140px;
    margin: 0 auto 2rem;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid #D4AF37;
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.2);
    background: linear-gradient(135deg, #D4AF37 0%, #E8C547 100%);
}

.author-name {
    font-family: 'Playfair Display', serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: #0B1F33;
    margin-bottom: 0.5rem;
}

.author-designation {
    color: #D4AF37;
    font-weight: 600;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.author-bio {
    color: #727272;
    font-size: 0.95rem;
    line-height: 1.7;
    letter-spacing: 0.2px;
}

/* ============================================================
   FOOTER - LUXURY
   ============================================================ */
.site-footer {
    background: #0B1F33;
    border-top: 3px solid #D4AF37;
    color: white;
}

.footer-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: -0.3px;
}

.social-link {
    width: 44px;
    height: 44px;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #D4AF37;
    transition: all 300ms;
}

.social-link:hover {
    background: #D4AF37;
    color: #0B1F33;
    transform: translateY(-3px);
}

/* ============================================================
   SPACING & TYPOGRAPHY ADJUSTMENTS
   ============================================================ */
h1 {
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -1px;
}

h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.3px;
}

p {
    letter-spacing: 0.2px;
    line-height: 1.8;
}

/* ============================================================
   STATS SECTION
   ============================================================ */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    padding: 4rem 0;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    border-bottom: 2px solid #E8E6E1;
}

.stat-number {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    font-weight: 700;
    color: #D4AF37;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

.stat-label {
    color: #727272;
    font-weight: 500;
    letter-spacing: 0.5px;
}