/* ===================================
   Muğla Dermo - Güz Sempozyumu Teması
   Sonbahar renk paleti: turuncu, amber, kahve
   =================================== */

/* ─── CSS Değişken Geçersiz Kılma ─────────────────────────────────────── */
:root {
    --color-primary:    #6B2D00;   /* koyu pas kahvesi */
    --color-secondary:  #C4500A;   /* yanmış turuncu   */
    --color-accent:     #E89500;   /* altın amber      */
    --color-highlight:  #F5E2C8;   /* sıcak krem       */
    --color-dark:       #6B2D00;
    --color-dark-secondary: #6B2D00;
}

/* ─── Sayfa Arkaplanı ─────────────────────────────────────────────────── */
body {
    background: #FDF6EC;
}

/* ─── Navigasyon ──────────────────────────────────────────────────────── */
.navbar {
    background: #F5E2C8;
}

.nav-title { color: #6B2D00; }

.nav-toggle span { background: #6B2D00; }

.nav-link { color: #6B2D00; }

.nav-link:hover,
.nav-link.active {
    color: #6B2D00;
    border-bottom-color: #C4500A;
    opacity: 1;
}

.navbar.scrolled {
    background: rgba(245, 226, 200, 0.97);
    box-shadow: 0 4px 20px rgba(107, 45, 0, 0.2);
}

/* ─── Hero Bölümü ─────────────────────────────────────────────────────── */
.hero-modern {
    background: linear-gradient(135deg, rgba(244, 180, 100, 0.25) 0%, rgba(244, 180, 100, 0.08) 100%);
}

.hero-modern::before {
    background: radial-gradient(circle, rgba(196, 80, 10, 0.12) 0%, transparent 70%);
}

.hero-modern::after {
    background: radial-gradient(circle, rgba(232, 149, 0, 0.12) 0%, transparent 70%);
}

/* Geri sayım kutuları */
.countdown-item {
    background: #6B2D00;
    border-color: #6B2D00;
}

/* Event info ikonları */
.event-info-icon {
    background: linear-gradient(135deg, #6B2D00, #C4500A);
}

/* Hero butonları */
.btn-primary {
    background: linear-gradient(135deg, #6B2D00, #C4500A);
    border-color: #6B2D00;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #C4500A, #E89500);
    box-shadow: 0 12px 35px rgba(196, 80, 10, 0.45);
}

.btn-outline {
    color: #6B2D00;
    border-color: #6B2D00;
}

.btn-outline:hover {
    background: #6B2D00;
    color: #ffffff;
}

/* ─── Modern Kartlar (Genel Bilgiler) ─────────────────────────────────── */
.modern-card {
    background: #6B2D00;
    box-shadow: 0 10px 30px rgba(107, 45, 0, 0.3);
}

.modern-card::before {
    background: #E89500;
}

.modern-card:hover {
    box-shadow: 0 20px 40px rgba(107, 45, 0, 0.4);
    border-color: rgba(196, 80, 10, 0.3);
}

.modern-card-icon {
    background: #E89500;
    box-shadow: 0 8px 20px rgba(232, 149, 0, 0.3);
}

/* ─── İstatistik Kartları ─────────────────────────────────────────────── */
.stats-modern {
    background: transparent;
}

.stat-modern {
    background: rgba(244, 180, 100, 0.15);
    border-color: rgba(107, 45, 0, 0.15);
}

.stat-modern:hover {
    border-color: #E89500;
    background: rgba(244, 180, 100, 0.3);
}

.stat-modern-number {
    color: #6B2D00;
}

/* ─── Bölüm Başlıkları ────────────────────────────────────────────────── */
.section-header-modern::after {
    background: #C4500A;
}

.section-label-modern {
    color: #C4500A;
    border-color: rgba(196, 80, 10, 0.25);
    background: rgba(196, 80, 10, 0.08);
}

.section-title-modern {
    color: #6B2D00;
}

.section-label {
    background: rgba(196, 80, 10, 0.1);
    color: #C4500A;
    border-color: rgba(196, 80, 10, 0.2);
}

.section-title {
    color: #6B2D00;
}

/* ─── Timeline (Davet Bölümü) ─────────────────────────────────────────── */
.timeline-info::before {
    background: #C4500A;
}

.timeline-item::before {
    background: #E89500;
    box-shadow: 0 0 0 4px rgba(107, 45, 0, 0.2);
}

.timeline-item h4 {
    color: #6B2D00;
}

.zigzag-content h3 {
    color: #6B2D00;
}

/* ─── Bildiri Kitabı ──────────────────────────────────────────────────── */
.bildiri-kitabi-showcase {
    background: linear-gradient(135deg, #fdf0e0 0%, #f9e0c0 100%);
    border-color: rgba(107, 45, 0, 0.08);
    box-shadow: 0 15px 50px rgba(107, 45, 0, 0.12);
}

.book-cover {
    background: linear-gradient(160deg, #8B4000 0%, #6B2D00 40%, #4A1E00 100%);
}

.book-spine {
    background: linear-gradient(to right, #3D1800, #6B2D00);
}

.book-cover-top i {
    color: #E89500;
}

.bildiri-kitabi-btn {
    background: #6B2D00;
    box-shadow: 0 8px 25px rgba(107, 45, 0, 0.35);
}

.bildiri-kitabi-btn:hover {
    background: #C4500A;
    box-shadow: 0 14px 35px rgba(196, 80, 10, 0.45);
}

/* ─── Program Bölümü ──────────────────────────────────────────────────── */
.program {
    background: rgba(244, 180, 100, 0.08);
}

/* ─── Kayıt & Konaklama ───────────────────────────────────────────────── */
.registration {
    background: #FDF6EC;
}

.price-table table thead tr th {
    background: #6B2D00;
    color: #ffffff;
}

.price-table table tbody tr:nth-child(odd) {
    background: rgba(107, 45, 0, 0.04);
}

.rules-box {
    border-left-color: #C4500A;
    background: rgba(244, 180, 100, 0.1);
}

.rules-box h4 {
    color: #6B2D00;
}

.rules-box ul li::before {
    color: #C4500A;
}

.info-section h3 {
    color: #6B2D00;
    border-bottom-color: rgba(107, 45, 0, 0.15);
}

.info-section h3 i {
    color: #C4500A;
}

.transfer-card {
    border-top-color: #C4500A;
    box-shadow: 0 8px 25px rgba(107, 45, 0, 0.12);
}

.transfer-card:hover {
    box-shadow: 0 16px 40px rgba(107, 45, 0, 0.2);
    border-color: #C4500A;
}

.transfer-price {
    color: #6B2D00;
}

.transfer-icon {
    background: linear-gradient(135deg, #6B2D00, #C4500A);
}

.important-note {
    background: rgba(244, 180, 100, 0.15);
    border-left-color: #E89500;
}

.important-note h4 {
    color: #6B2D00;
}

/* ─── İletişim Bölümü ─────────────────────────────────────────────────── */
.contact {
    background: #FDF6EC;
}

.contact-method {
    border-color: rgba(107, 45, 0, 0.1);
}

.contact-method:hover {
    box-shadow: 0 12px 40px rgba(107, 45, 0, 0.15);
    border-color: #C4500A;
}

.method-content h4 {
    color: #6B2D00;
}

/* ─── Footer ──────────────────────────────────────────────────────────── */
.footer {
    background: #6B2D00;
}

/* ─── Genel Bağlantılar & Vurgu ───────────────────────────────────────── */
.invitation-body p a,
a:not(.btn):not(.nav-link):not(.bildiri-kitabi-btn):not(.back-button) {
    color: #C4500A;
}

.invitation-signature .signature-name {
    color: #6B2D00;
}

/* accent renk geçersiz kılma */
[style*="color: var(--color-accent)"] { color: #E89500; }

/* ─── Yönetim Kurulu Kartları ─────────────────────────────────────────── */
.board-card {
    background: white;
    border: 2px solid rgba(107, 45, 0, 0.1);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(107, 45, 0, 0.08);
}

.board-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(107, 45, 0, 0.18);
    border-color: #E89500;
}

.board-card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #6B2D00, #C4500A);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
    font-size: 1.4rem;
}

.board-role {
    font-size: 0.85rem;
    font-weight: 700;
    color: #C4500A;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.4rem;
}

.board-name {
    font-size: 1rem;
    font-weight: 600;
    color: #6B2D00;
    line-height: 1.4;
}

/* ─── Bildiri Gönderimi Bölümü ────────────────────────────────────────── */
.abstract-submission-box {
    background: linear-gradient(135deg, #6B2D00, #C4500A);
    border-radius: 24px;
    padding: 3rem;
    color: white;
    text-align: center;
    box-shadow: 0 15px 50px rgba(107, 45, 0, 0.3);
}

.abstract-submission-box h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.abstract-submission-box p {
    font-size: 1.05rem;
    line-height: 1.7;
    opacity: 0.9;
    margin-bottom: 1rem;
}

.abstract-deadline-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.7rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    margin: 1rem 0;
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.abstract-submission-rules {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    margin-top: 2rem;
    text-align: left;
    box-shadow: 0 8px 30px rgba(107, 45, 0, 0.1);
    border: 2px solid rgba(107, 45, 0, 0.08);
}

.abstract-submission-rules h4 {
    color: #6B2D00;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.abstract-submission-rules ul {
    list-style: none;
    padding: 0;
}

.abstract-submission-rules ul li {
    padding: 0.5rem 0;
    padding-left: 1.8rem;
    position: relative;
    color: #555;
    border-bottom: 1px solid rgba(107, 45, 0, 0.06);
}

.abstract-submission-rules ul li::before {
    content: '🍂';
    position: absolute;
    left: 0;
    font-size: 0.9rem;
}

.abstract-submission-rules ul li:last-child {
    border-bottom: none;
}

/* ─── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .board-card { padding: 1.5rem; }
    .abstract-submission-box { padding: 2rem 1.5rem; }
    .abstract-submission-rules { padding: 1.5rem; }
}