/* ============================================================
   V. ARDEK ÇALIŞTAYI — ANA STİL DOSYASI
   Modern, temiz, akademik tasarım
   ============================================================ */

/* ---- GOOGLE FONTS + RESET ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 17px; }
body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: #1a202c;
    background: #f7f9fc;
    line-height: 1.75;
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

/* ---- TOKENS ---- */
:root {
    --navy:    #1a3558;
    --navy2:   #243e6b;
    --green:   #1a6b45;
    --green2:  #22874f;
    --orange:  #d97706;
    --white:   #ffffff;
    --bg:      #f7f9fc;
    --bg2:     #eef2f7;
    --text:    #1a202c;
    --muted:   #64748b;
    --border:  #e2e8f0;
    --shadow:  0 2px 16px rgba(0,0,0,0.07);
    --shadow2: 0 8px 40px rgba(0,0,0,0.12);
    --r:       10px;
    --r2:      18px;
    --t:       0.25s ease;
}

/* ---- CONTAINER ---- */
.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================================
   TOP BAR
   ============================================================ */
.top-bar {
    background: var(--navy);
    color: rgba(255,255,255,0.8);
    font-size: 0.82rem;
    padding: 9px 0;
    display: block;
}
.top-bar .container {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    align-items: center;
}
.top-bar span { display: flex; align-items: center; gap: 5px; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: 200;
    border-bottom: 1px solid var(--border);
    transition: box-shadow var(--t);
}
.navbar.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.1); }

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100px;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 11px;
    text-decoration: none;
    flex-shrink: 0;
}
.logo-icon {
    width: 40px; height: 40px;
    background: var(--navy);
    color: #fff;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.15rem; font-weight: 800;
    flex-shrink: 0;
}
.logo-title { font-weight: 700; font-size: 1rem; color: var(--text); line-height: 1.2; }
.logo-sub   { font-size: 0.7rem; color: var(--muted); }

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2px;
    align-items: center;
}
.nav-menu li a {
    display: block;
    text-decoration: none;
    color: var(--muted);
    font-size: 0.92rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all var(--t);
}
.nav-menu li a:hover { color: var(--navy); background: var(--bg2); }
.nav-menu li a.active { color: var(--navy); font-weight: 700; background: var(--bg2); }

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}
.hamburger span {
    display: block; width: 22px; height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO SLIDER
   ============================================================ */
.above-fold {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 138px); /* navbar 100px + topbar 38px */
    min-height: 460px;
}

.hero {
    position: relative;
    flex: 1;          /* kalan tüm alanı kapla */
    overflow: hidden;
    background: var(--navy);
}
.hero-slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    opacity: 0;
    transition: opacity 0.8s ease;
    background-size: cover;
    background-position: center;
}
.hero-slide.active { opacity: 1; }

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        105deg,
        rgba(20,45,85,0.88) 0%,
        rgba(20,45,85,0.55) 55%,
        rgba(20,45,85,0.25) 100%
    );
}
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 650px;
    color: #fff;
    padding: 20px 0;
}
.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(8px);
    color: rgba(255,255,255,0.95);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    padding: 5px 14px;
    border-radius: 50px;
    margin-bottom: 22px;
}
.hero-content h1 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 18px;
    text-shadow: 0 2px 12px rgba(0,0,0,0.35);
}
.hero-content p {
    font-size: clamp(1rem, 2vw, 1.15rem);
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 500px;
    line-height: 1.65;
}
.hero-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--orange);
    color: #fff;
    padding: 14px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.97rem;
    box-shadow: 0 4px 20px rgba(217,119,6,0.45);
    transition: transform var(--t), box-shadow var(--t);
}
.hero-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(217,119,6,0.55); }

/* slider controls */
.hero-arrows {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 5;
    pointer-events: none;
}
.hero-arrow {
    pointer-events: all;
    width: 44px; height: 44px;
    border-radius: 50%;
    background: rgba(255,255,255,0.18);
    border: 1.5px solid rgba(255,255,255,0.4);
    color: #fff;
    font-size: 1.3rem;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: background var(--t);
    backdrop-filter: blur(6px);
}
.hero-arrow:hover { background: rgba(255,255,255,0.32); }

.hero-dots {
    position: absolute;
    bottom: 22px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 5;
}
.hero-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.45);
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    padding: 0;
}
.hero-dot.active {
    background: #fff;
    width: 24px;
    border-radius: 4px;
}

/* ============================================================
   INFO BAND
   ============================================================ */
.info-band {
    background: var(--navy);
    border-top: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0; /* asla sıkışma */
}
.info-band-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}
.info-band-item {
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 20px 24px;
    color: #fff;
    border-right: 1px solid rgba(255,255,255,0.1);
}
.info-band-item:last-child { border-right: none; }
.ib-icon { font-size: 1.7rem; opacity: 0.85; flex-shrink: 0; }
.ib-text strong {
    display: block;
    font-size: 0.93rem;
    font-weight: 700;
    line-height: 1.3;
}
.ib-text small {
    font-size: 0.77rem;
    opacity: 0.6;
    margin-top: 2px;
    display: block;
}

/* ============================================================
   SECTION BASE
   ============================================================ */
.section { padding: 88px 0; }
.section-white { background: var(--white); }
.section-bg    { background: var(--bg); }

.section-head {
    text-align: center;
    margin-bottom: 56px;
}
.section-head h2 {
    font-size: clamp(1.7rem, 3.5vw, 2.4rem);
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 10px;
}
.section-head p {
    color: var(--muted);
    font-size: 1.05rem;
    max-width: 560px;
    margin: 0 auto;
}
.section-line {
    width: 48px; height: 4px;
    background: var(--orange);
    border-radius: 2px;
    margin: 14px auto 0;
}

/* ============================================================
   THEME CARDS
   ============================================================ */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.theme-card {
    background: var(--white);
    border-radius: var(--r2);
    padding: 30px 26px;
    border: 1px solid var(--border);
    transition: transform var(--t), box-shadow var(--t), border-color var(--t);
    position: relative;
    overflow: hidden;
}
.theme-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--navy), var(--green));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s ease;
}
.theme-card:hover { transform: translateY(-5px); box-shadow: var(--shadow2); border-color: #c7d2fe; }
.theme-card:hover::before { transform: scaleX(1); }
.card-icon {
    font-size: 2.2rem;
    margin-bottom: 14px;
    display: block;
}
.theme-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 9px;
}
.theme-card p {
    font-size: 0.92rem;
    color: var(--muted);
    line-height: 1.65;
}

/* ============================================================
   STATS BAND
   ============================================================ */
.stats-band {
    background: linear-gradient(135deg, var(--navy) 0%, #243e6b 100%);
    padding: 64px 0;
    color: #fff;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    text-align: center;
}
.stat-item {
    padding: 20px;
    border-right: 1px solid rgba(255,255,255,0.12);
}
.stat-item:last-child { border-right: none; }
.stat-num {
    display: block;
    font-size: clamp(2.6rem, 4.5vw, 3.6rem);
    font-weight: 900;
    line-height: 1;
    margin-bottom: 8px;
    color: #fff;
}
.stat-label {
    font-size: 0.9rem;
    opacity: 0.7;
    font-weight: 500;
}

/* ============================================================
   PROGRAM
   ============================================================ */
.program-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.program-day {
    background: var(--white);
    border-radius: var(--r2);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}
.day-header {
    background: var(--navy);
    color: #fff;
    padding: 18px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.day-num  { font-size: 0.95rem; font-weight: 800; }
.day-date { font-size: 0.78rem; opacity: 0.75; }

.session-item {
    display: flex;
    gap: 0;
    padding: 13px 22px;
    border-bottom: 1px solid var(--border);
    transition: background var(--t);
}
.session-item:last-child { border-bottom: none; }
.session-item:hover { background: var(--bg); }
.session-time {
    flex-shrink: 0;
    width: 110px;
    font-size: 0.78rem;
    color: var(--muted);
    font-weight: 600;
    padding-top: 3px;
    line-height: 1.4;
}
.session-info { display: flex; flex-direction: column; gap: 3px; }
.session-info strong { font-size: 0.9rem; color: var(--text); font-weight: 700; line-height: 1.3; }
.session-info span  { font-size: 0.82rem; color: var(--muted); line-height: 1.4; }
.session-intl { color: var(--green) !important; font-weight: 600 !important; }
.session-karar { background: linear-gradient(90deg, #fffbeb, var(--white)); border-left: 3px solid var(--orange); }
.session-karar .session-info strong { color: var(--orange); }
.session-break { opacity: 0.55; }

/* ============================================================
   CTA
   ============================================================ */
.cta-section {
    background: linear-gradient(135deg, var(--green) 0%, #155735 100%);
    padding: 80px 0;
    text-align: center;
    color: #fff;
}
.cta-section h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
    font-weight: 800;
    margin-bottom: 12px;
}
.cta-section p { opacity: 0.88; font-size: 1.08rem; margin-bottom: 34px; }
.cta-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all var(--t);
    border: 2px solid transparent;
    cursor: pointer;
    font-family: inherit;
}
.btn-primary  { background: var(--white); color: var(--navy); }
.btn-primary:hover { background: var(--bg2); transform: translateY(-2px); }
.btn-outline  { background: transparent; color: #fff; border-color: rgba(255,255,255,0.6); }
.btn-outline:hover { background: rgba(255,255,255,0.15); border-color: #fff; transform: translateY(-2px); }
.btn-navy { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn-navy:hover { background: var(--navy2); transform: translateY(-2px); }
.btn-full { width: 100%; justify-content: center; border-radius: var(--r); }

/* ============================================================
   PAGE HERO (alt sayfalar)
   ============================================================ */
.page-hero {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy2) 100%);
    padding: 72px 0;
    color: #fff;
    text-align: center;
}
.page-hero h1 {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 800;
    margin-bottom: 10px;
}
.page-hero p { opacity: 0.82; font-size: 1rem; }

/* ============================================================
   HAKKINDA SAYFASI
   ============================================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 48px;
    align-items: start;
}
.about-text h2 { font-size: 1.5rem; font-weight: 800; color: var(--navy); margin-bottom: 18px; }
.about-intro p  { color: var(--muted); margin-bottom: 14px; line-height: 1.75; font-size: 0.97rem; }

.info-box {
    background: var(--navy);
    color: #fff;
    border-radius: var(--r2);
    padding: 30px;
}
.info-box h3 { font-size: 0.95rem; font-weight: 700; opacity: 0.75; margin-bottom: 22px; text-transform: uppercase; letter-spacing: 0.06em; }
.info-row { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 16px; padding-bottom: 16px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.info-row:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.info-row .icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 1px; }
.info-row strong { display: block; font-size: 0.72rem; opacity: 0.6; margin-bottom: 3px; text-transform: uppercase; }
.info-row span { font-size: 0.88rem; font-weight: 500; }

.hedef-box {
    background: #f0fdf4;
    border-left: 4px solid var(--green);
    padding: 22px 24px;
    border-radius: var(--r);
    margin-top: 24px;
}
.hedef-box h4 { color: var(--green); font-weight: 700; margin-bottom: 8px; font-size: 0.9rem; }
.hedef-box p  { color: var(--text); font-size: 0.9rem; line-height: 1.65; }

/* session blocks */
.sessions-list { display: flex; flex-direction: column; gap: 18px; }
.session-block {
    display: flex;
    gap: 22px;
    background: var(--white);
    border-radius: var(--r2);
    padding: 26px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    align-items: flex-start;
    transition: transform var(--t), box-shadow var(--t);
}
.session-block:hover { transform: translateY(-3px); box-shadow: var(--shadow2); }
.session-block-num {
    flex-shrink: 0;
    width: 48px; height: 48px;
    background: var(--navy);
    color: #fff;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; font-weight: 800;
}
.session-block-num-intl { background: var(--green); }
.session-block-body h3 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.session-block-body p  { font-size: 0.88rem; color: var(--muted); line-height: 1.7; }
.badge-intl-tag {
    background: #f0fdf4; color: var(--green);
    font-size: 0.72rem; font-weight: 600;
    padding: 2px 9px; border-radius: 50px;
    border: 1px solid #bbf7d0;
}

/* bildirge */
.bildirge-box {
    background: linear-gradient(135deg, var(--navy), var(--navy2));
    border-radius: var(--r2);
    padding: 48px;
    display: flex;
    gap: 32px;
    align-items: flex-start;
    color: #fff;
}
.bildirge-icon { font-size: 3rem; flex-shrink: 0; line-height: 1; }
.bildirge-text h2 { font-size: 1.6rem; font-weight: 800; margin-bottom: 12px; }
.bildirge-text p  { opacity: 0.88; line-height: 1.75; font-size: 0.95rem; }

/* ============================================================
   KATILIMCILAR
   ============================================================ */
.participant-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 22px;
}
.participant-card {
    background: var(--white);
    border-radius: var(--r2);
    padding: 26px 22px;
    text-align: center;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: transform var(--t), box-shadow var(--t);
}
.participant-card:hover { transform: translateY(-4px); box-shadow: var(--shadow2); }
.participant-avatar {
    width: 82px; height: 82px;
    border-radius: 50%;
    margin: 0 auto 14px;
    background: linear-gradient(135deg, var(--navy), var(--green));
    display: flex; align-items: center; justify-content: center;
    font-size: 1.9rem; color: #fff; font-weight: 700;
    overflow: hidden;
}
.participant-avatar img { width: 100%; height: 100%; object-fit: cover; }
.participant-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; }
.participant-card .role  { font-size: 0.8rem; color: var(--muted); margin-bottom: 3px; }
.participant-card .kurum { font-size: 0.79rem; color: var(--navy); font-weight: 600; margin-bottom: 12px; }
.participant-bio { font-size: 0.8rem; color: var(--muted); line-height: 1.55; }

.badge {
    display: inline-block;
    padding: 3px 11px;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 700;
    margin-bottom: 10px;
}
.badge-konusmaCI  { background: #eff6ff; color: #1d4ed8; }
.badge-moderator  { background: #f0fdf4; color: #15803d; }
.badge-katilimci  { background: #faf5ff; color: #7c3aed; }
.badge-organizator{ background: #fff7ed; color: #c2410c; }

.filter-tabs {
    display: flex; gap: 8px; flex-wrap: wrap;
    margin-bottom: 30px;
    justify-content: center;
}
.filter-tab {
    padding: 8px 18px;
    border-radius: 50px;
    border: 2px solid var(--border);
    background: var(--white);
    cursor: pointer;
    font-size: 0.83rem;
    font-weight: 600;
    transition: all var(--t);
    font-family: inherit;
    color: var(--muted);
}
.filter-tab.active, .filter-tab:hover {
    background: var(--navy);
    color: #fff;
    border-color: var(--navy);
}

/* ============================================================
   İLETİŞİM
   ============================================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.35fr;
    gap: 48px;
    align-items: start;
}
.contact-persons { display: flex; flex-direction: column; gap: 12px; margin-bottom: 0; }
.contact-person-card {
    display: flex;
    gap: 14px;
    align-items: center;
    background: var(--white);
    border-radius: var(--r);
    padding: 14px 18px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}
.cp-avatar {
    width: 48px; height: 48px;
    border-radius: 12px;
    background: var(--navy);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 0.9rem;
    flex-shrink: 0;
}
.cp-info { display: flex; flex-direction: column; gap: 2px; }
.cp-info strong { font-size: 0.88rem; font-weight: 700; }
.cp-info span { font-size: 0.76rem; color: var(--muted); }
.cp-info a { font-size: 0.78rem; color: var(--navy); text-decoration: none; font-weight: 600; }
.cp-info a:hover { text-decoration: underline; }

.contact-item { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 22px; margin-top: 22px; }
.ci-icon {
    width: 44px; height: 44px;
    background: var(--bg2);
    border-radius: 11px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}
.contact-item h4 { font-size: 0.78rem; color: var(--muted); margin-bottom: 3px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.contact-item p  { font-size: 0.9rem; font-weight: 600; color: var(--text); }

/* ============================================================
   FORM
   ============================================================ */
.contact-form {
    background: var(--white);
    border-radius: var(--r2);
    padding: 36px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text);
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--r);
    font-family: inherit;
    font-size: 0.88rem;
    transition: border-color var(--t), box-shadow var(--t);
    background: var(--bg);
    color: var(--text);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--navy);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(26,53,88,0.1);
}
.form-group textarea { height: 130px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.fg-hint { font-size: 0.76rem; color: var(--muted); margin-top: 5px; }

.alert {
    padding: 13px 16px;
    border-radius: var(--r);
    font-size: 0.86rem;
    margin-bottom: 18px;
    display: flex; gap: 8px; align-items: flex-start;
}
.alert-success { background: #f0fdf4; color: #15803d; border: 1px solid #bbf7d0; }
.alert-error   { background: #fef2f2; color: #dc2626; border: 1px solid #fecaca; }

/* ============================================================
   BASVURU FORM (katilimcilar)
   ============================================================ */
.basvuru-section {
    background: var(--white);
    border-radius: var(--r2);
    padding: 40px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    max-width: 760px;
    margin: 0 auto;
}
.basvuru-section h2 { font-size: 1.3rem; font-weight: 800; color: var(--navy); margin-bottom: 8px; }
.basvuru-section .sub { color: var(--muted); font-size: 0.88rem; margin-bottom: 28px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: #0d1e35;
    color: rgba(255,255,255,0.7);
    padding: 64px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo {
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 14px;
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
}
.footer p { font-size: 0.88rem; line-height: 1.65; }
.footer-col h4 { color: #fff; font-size: 0.8rem; font-weight: 700; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.08em; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 9px; font-size: 0.87rem; line-height: 1.4; }
.footer-col ul li a { color: rgba(255,255,255,0.6); text-decoration: none; transition: color var(--t); }
.footer-col ul li a:hover { color: #fff; }
.footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    padding: 18px 0;
    font-size: 0.83rem;
}
.footer-bottom a { color: rgba(255,255,255,0.45); text-decoration: none; transition: color var(--t); }
.footer-bottom a:hover { color: #fff; }

/* ============================================================
   FADE-IN ANIMATION
   ============================================================ */
.fade-in {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   ADMIN CSS is in admin.css — not here
   ============================================================ */

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .cards-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid { grid-template-columns: 1fr; }
    .about-grid .info-box { max-width: 500px; }
}

@media (max-width: 768px) {
    /* navbar mobile */
    .hamburger { display: flex; }
    .nav-menu {
        display: none;
        position: absolute;
        top: 68px; left: 0; right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 12px;
        box-shadow: 0 8px 30px rgba(0,0,0,0.12);
        border-top: 1px solid var(--border);
        z-index: 200;
    }
    .nav-menu.open { display: flex; }
    .nav-menu li a { padding: 12px 14px; border-radius: var(--r); }
    .navbar { position: relative; }

    /* hero */
    .above-fold { height: calc(100vh - 100px); min-height: 400px; }
    .hero-content h1 { font-size: 1.55rem; }

    /* info band */
    .info-band-grid { grid-template-columns: 1fr 1fr; }
    .info-band-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); }
    .info-band-item:nth-child(odd)  { border-right: 1px solid rgba(255,255,255,0.1); }
    .info-band-item:nth-child(3),
    .info-band-item:nth-child(4)    { border-bottom: none; }

    /* stats */
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.12); padding: 24px; }
    .stat-item:nth-child(odd)  { border-right: 1px solid rgba(255,255,255,0.12); }
    .stat-item:nth-child(3),
    .stat-item:nth-child(4)    { border-bottom: none; }

    /* program */
    .program-grid { grid-template-columns: 1fr; }

    /* contact / about */
    .contact-grid { grid-template-columns: 1fr; }
    .form-row     { grid-template-columns: 1fr; }

    /* footer */
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

    .top-bar { display: none; }

    .bildirge-box { flex-direction: column; gap: 16px; padding: 28px; }
    .session-block { flex-direction: column; gap: 12px; }

    .basvuru-section { padding: 24px; }
}

@media (max-width: 540px) {
    .cards-grid { grid-template-columns: 1fr; }
    .hero { height: 380px; }
    .hero-arrow { display: none; }
    .info-band-grid { grid-template-columns: 1fr; }
    .info-band-item { border-right: none !important; border-bottom: 1px solid rgba(255,255,255,0.1); }
    .info-band-item:last-child { border-bottom: none; }
    .footer-grid { grid-template-columns: 1fr; }
    .contact-form { padding: 22px 18px; }
    .session-time { width: 88px; }
    .cta-actions { flex-direction: column; align-items: stretch; }
    .cta-actions .btn { justify-content: center; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
}
