/* ---------- KURUMSAL RENK PALETİ ---------- */
:root {
    --navy: #0a1e3c;
    --navy-light: #1e3a6b;
    --navy-dark: #051220;
    --gold: #c9a03d;
    --gold-light: #e4b95b;
    --gold-dark: #9e7b2e;
    --cream: #f8f7f4;
    --gray-100: #f4f6fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-600: #6c757d;
    --gray-900: #212529;
    --white: #ffffff;
    --shadow-sm: 0 5px 20px rgba(0,0,0,0.02);
    --shadow-md: 0 10px 40px rgba(0,0,0,0.04);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.06);
    --border-radius: 16px;
}

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

html {
    position: relative;
    min-height: 100%;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background: var(--white);
    color: var(--gray-900);
    line-height: 1.7;
    overflow-x: hidden;
    margin-bottom: 0;
}

/* ---------- TİPOGRAFİ ---------- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--navy);
}

.display-1, .display-2, .display-3, .display-4 {
    font-weight: 800;
    letter-spacing: -0.03em;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: var(--gold);
    border-radius: 4px;
}

.section-title-center {
    text-align: center;
}

.section-title-center:after {
    left: 50%;
    transform: translateX(-50%);
}

.eyebrow {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 0.75rem;
}

/* ---------- NAVIGASYON ---------- */
.navbar-corporate {
    background: var(--white);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.navbar-corporate .navbar-brand {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--navy);
    letter-spacing: -0.03em;
}

.navbar-corporate .navbar-brand span {
    color: var(--gold);
    font-weight: 300;
}

.navbar-corporate .nav-link {
    color: var(--navy) !important;
    font-weight: 600;
    padding: 0.5rem 1.2rem !important;
    margin: 0 0.2rem;
    border-radius: 40px;
    transition: all 0.2s ease;
    font-size: 0.95rem;
}

.navbar-corporate .nav-link:hover {
    background: rgba(10, 30, 60, 0.03);
    color: var(--navy) !important;
}

.navbar-corporate .nav-link.active {
    background: var(--navy);
    color: white !important;
}

/* ---------- BUTONLAR ---------- */
.btn-gold {
    background: var(--gold);
    color: var(--navy);
    font-weight: 700;
    padding: 0.6rem 2rem;
    border-radius: 40px;
    border: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.btn-gold:hover {
    background: var(--gold-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(201, 160, 61, 0.2);
}

.btn-outline-navy {
    background: transparent;
    border: 2px solid var(--navy);
    color: var(--navy);
    font-weight: 700;
    padding: 0.6rem 2rem;
    border-radius: 40px;
    transition: all 0.3s ease;
}

.btn-outline-navy:hover {
    background: var(--navy);
    color: white;
    transform: translateY(-2px);
}

/* ---------- HERO ---------- */
.hero-premium {
    padding: 5rem 0 6rem;
    background: linear-gradient(145deg, var(--white) 0%, var(--gray-100) 100%);
    position: relative;
    overflow: hidden;
}

.hero-premium:before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(10,30,60,0.02) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-premium:after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(201,160,61,0.02) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-badge {
    display: inline-block;
    background: rgba(10, 30, 60, 0.04);
    padding: 0.6rem 1.5rem;
    border-radius: 40px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 1.5rem;
    border: 1px solid rgba(201, 160, 61, 0.2);
    font-size: 0.9rem;
}

.hero-title {
    font-size: 3.8rem;
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.hero-title span {
    color: var(--gold);
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--gray-600);
    margin-bottom: 2.5rem;
    font-weight: 400;
    max-width: 90%;
}

/* ---------- STAT CARDS ---------- */
.stat-card-corporate {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
    height: 100%;
    text-align: center;
}

.stat-card-corporate:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--gold-light);
    transform: translateY(-5px);
}

.stat-number {
    font-size: 3.2rem;
    font-weight: 800;
    color: var(--navy);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--gray-600);
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ---------- FEATURE CARDS ---------- */
.feature-card-premium {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.feature-card-premium:hover {
    border-color: var(--gold);
    box-shadow: var(--shadow-md);
}

.feature-icon-wrapper {
    width: 70px;
    height: 70px;
    background: rgba(10, 30, 60, 0.04);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.8rem;
}

.feature-icon-wrapper i {
    font-size: 2.2rem;
    color: var(--gold);
}

.feature-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--gray-600);
    font-size: 1rem;
    line-height: 1.7;
}

/* Iletisim sayfasi - kompakt bilgi kartlari (Adres, Telefon, E-posta) alt alta */
.contact-info-stack .contact-info-compact {
    margin-bottom: 0;
}
.contact-info-compact {
    background: var(--white);
    padding: 1rem 1.25rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
    height: 100%;
}

.contact-info-compact:hover {
    border-color: var(--gold);
    box-shadow: var(--shadow-sm);
}

.contact-info-compact .contact-info-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 0.5rem;
}

.contact-info-compact .contact-info-value {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

/* ---------- PROGRAM CARDS ---------- */
.program-card-executive {
    background: var(--white);
    border-radius: 24px;
    padding: 2.5rem;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
    height: 100%;
    position: relative;
}

.program-card-executive:hover {
    border-color: var(--gold);
    box-shadow: var(--shadow-lg);
}

.program-badge-exec {
    display: inline-block;
    background: var(--navy);
    color: white;
    padding: 0.5rem 1.2rem;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.program-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 1.5rem;
}

.program-feature-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.program-feature-list li {
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--gray-600);
}

.program-feature-list li i {
    color: var(--gold);
    font-size: 1rem;
}

.program-price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--navy);
    margin: 1.5rem 0;
}

.program-price small {
    font-size: 1rem;
    font-weight: 400;
    color: var(--gray-600);
}

/* ---------- TESTIMONIALS ---------- */
.testimonial-card-premium {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    height: 100%;
}

.testimonial-card-premium:hover {
    border-color: var(--gold-light);
}

.testimonial-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.testimonial-avatar {
    width: 70px;
    height: 70px;
    background: var(--navy);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1.2rem;
    color: white;
    font-weight: 700;
    font-size: 1.8rem;
    border: 3px solid var(--gold-light);
}

.testimonial-name {
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 0.2rem;
    font-size: 1.2rem;
}

.testimonial-school {
    color: var(--gold);
    font-weight: 600;
    font-size: 0.9rem;
}

.testimonial-text {
    color: var(--gray-600);
    font-style: italic;
    margin-bottom: 1.5rem;
}

/* ---------- CTA SECTION ---------- */
.cta-premium {
    background: var(--navy);
    border-radius: 40px;
    padding: 5rem 4rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta-premium:before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(201,160,61,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.cta-subtitle {
    color: rgba(255,255,255,0.8);
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.btn-cta-light {
    background: white;
    color: var(--navy);
    padding: 1rem 3rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    border: none;
    transition: all 0.3s ease;
}

.btn-cta-light:hover {
    background: var(--gold);
    color: var(--navy);
    transform: translateY(-3px);
    box-shadow: 0 20px 30px rgba(0,0,0,0.2);
}

/* ---------- FOOTER ---------- */
.footer-corporate {
    background: var(--navy-dark);
    color: white;
    padding: 5rem 0 2rem;
    margin-top: 5rem;
}

.footer-corporate h5 {
    color: white;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.footer-corporate .footer-brand {
    color: white;
    font-weight: 800;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.footer-corporate .footer-brand span {
    color: var(--gold);
}

.footer-corporate .footer-desc {
    color: rgba(255,255,255,0.7);
    margin-bottom: 1.5rem;
}

.footer-corporate .footer-address {
    color: rgba(255,255,255,0.7);
    font-style: normal;
}

.footer-corporate a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: all 0.2s ease;
    display: block;
    margin-bottom: 0.8rem;
}

.footer-corporate a:hover {
    color: var(--gold);
    transform: translateX(3px);
}

.footer-divider {
    border-color: rgba(255,255,255,0.1);
    margin: 3rem 0;
}

.footer-copy,
.footer-corporate .text-md-end a {
    color: rgba(255,255,255,0.5);
}

.footer-corporate .text-md-end a {
    display: inline;
    margin-right: 1.5rem;
}

.social-icon-corp {
    width: 45px;
    height: 45px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-right: 0.8rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.1);
}

.social-icon-corp:hover {
    background: var(--gold);
    color: var(--navy);
    transform: translateY(-5px);
}

/* ---------- BREADCRUMB ---------- */
.breadcrumb-area {
    background: var(--gray-100);
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.breadcrumb-area .breadcrumb-item + .breadcrumb-item::before {
    color: var(--gray-600);
}

.breadcrumb-area .breadcrumb-item.active {
    color: var(--navy);
    font-weight: 600;
}

/* ---------- AKADEMİK DETAYLAR ---------- */
.accent-gold {
    color: var(--gold);
}

.bg-navy {
    background: var(--navy);
}

.text-navy {
    color: var(--navy);
}

.border-gold {
    border-color: var(--gold) !important;
}

/* ---------- KİTAP LİSTE KARTLARI ---------- */
.kitap-card-premium {
    background: var(--white);
    border-radius: 24px;
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all 0.3s ease;
    height: 100%;
}

.kitap-card-premium:hover {
    border-color: var(--gold);
    box-shadow: var(--shadow-md);
}

/* Yayinlarimiz sayfasi - gorsel kitap grid */
.kitap-liste-section {
    padding: 3rem 0 5rem;
}

.kitap-liste-aciklama {
    color: var(--gray-600);
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.kitap-liste-bos {
    background: var(--white);
    border-radius: 24px;
    border: 1px solid var(--gray-200);
}

.kitap-grid {
    justify-content: center;
}

.kitap-kart-link {
    display: block;
    color: inherit;
}

.kitap-kart {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.25s ease;
    display: flex;
    flex-direction: column;
}

.kitap-kart-link:hover .kitap-kart {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12), 0 0 0 1px rgba(201, 160, 61, 0.2);
    border-color: var(--gold-light);
}

.kitap-kart-kapak {
    position: relative;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background: linear-gradient(145deg, var(--gray-100) 0%, var(--gray-200) 100%);
}

.kitap-kart-kapak img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.kitap-kart-link:hover .kitap-kart-kapak img {
    transform: scale(1.06);
}

.kitap-kart-kapak-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    opacity: 0.6;
    font-size: 4rem;
}

.kitap-kart-badge {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%) translateY(12px);
    background: var(--navy);
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.kitap-kart-link:hover .kitap-kart-badge {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.kitap-kart-body {
    padding: 1.35rem 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.kitap-kart-baslik {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--navy);
    margin: 0 0 0.35rem 0;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.kitap-kart-yazar {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin: 0 0 0.75rem 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.kitap-kart-fiyat {
    margin-top: auto;
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--navy);
}

.kitap-fiyat-eski {
    text-decoration: line-through;
    color: var(--gray-500);
    font-weight: 500;
    font-size: 0.95rem;
    margin-right: 0.5rem;
}

.kitap-fiyat-indirimli {
    color: #0d9488;
}

.kitap-fiyat-normal {
    color: var(--navy);
}


/* ---------- RESPONSIVE ---------- */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .hero-subtitle {
        font-size: 1.1rem;
    }
    .section-title {
        font-size: 2rem;
    }
    .cta-premium {
        padding: 3rem 2rem;
    }
}