/* ================================================
   6 Sigma Eğitim Kurumları — Tasarım Sistemi
   HAVSAN Frontend Standards
   ================================================ */

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

/* ---- CSS Değişkenleri (Design Tokens) ---- */
:root {
    /* Renkler */
    --renk-lacivert: #1a2d5a;
    --renk-lacivert-2: #152347;
    --renk-lacivert-3: #0d1a36;
    --renk-kirmizi: #cc2229;
    --renk-kirmizi-2: #a81b21;
    --renk-beyaz: #ffffff;
    --renk-gri-acik: #f5f6f8;
    --renk-gri: #e8eaed;
    --renk-gri-orta: #8b92a5;
    --renk-metin: #1a1a2e;
    --renk-metin-2: #4a5568;

    /* Tipografi */
    --font-ana: 'Inter', sans-serif;
    --font-buyuk: clamp(2.5rem, 6vw, 4.5rem);
    --font-h1: clamp(2rem, 5vw, 3.5rem);
    --font-h2: clamp(1.5rem, 3.5vw, 2.5rem);
    --font-h3: clamp(1.2rem, 2.5vw, 1.75rem);
    --font-normal: 1rem;
    --font-kucuk: 0.875rem;

    /* Boşluklar */
    --bosluk-xs: 0.5rem;
    --bosluk-sm: 1rem;
    --bosluk-md: 2rem;
    --bosluk-lg: 4rem;
    --bosluk-xl: 8rem;

    /* Gölgeler */
    --golge-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --golge-md: 0 8px 32px rgba(0, 0, 0, 0.12);
    --golge-lg: 0 20px 60px rgba(0, 0, 0, 0.18);

    /* Yuvarlaklık */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-tam: 9999px;

    /* Geçiş */
    --gecis: 0.3s ease;
    --gecis-yavas: 0.6s ease;
}

/* ---- Reset ---- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-ana);
    color: var(--renk-metin);
    background: var(--renk-beyaz);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ---- Container ---- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ---- Butonlar ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-tam);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all var(--gecis);
    white-space: nowrap;
}

.btn-kirmizi {
    background: var(--renk-kirmizi);
    color: var(--renk-beyaz);
}

.btn-kirmizi:hover {
    background: var(--renk-kirmizi-2);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(204, 34, 41, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--renk-beyaz);
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--renk-beyaz);
}

/* ---- Bölüm Başlıkları ---- */
.bolum {
    padding: var(--bosluk-lg) 0;
}

.bolum-baslik {
    text-align: center;
    margin-bottom: var(--bosluk-md);
}

.bolum-etiket {
    display: inline-block;
    color: var(--renk-kirmizi);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.bolum-h2 {
    font-size: var(--font-h2);
    font-weight: 800;
    color: var(--renk-lacivert);
    line-height: 1.2;
}

.bolum-h2 span {
    color: var(--renk-kirmizi);
}

/* ---- Fade-in Animasyon ---- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.gorunur {
    opacity: 1;
    transform: translateY(0);
}

/* ================================================
   HEADER / NAV
   ================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: background var(--gecis), box-shadow var(--gecis);
    padding: 1.25rem 0;
}

.header .container {
    max-width: 1536px; /* Header'ı genel sayfa genişliğinden (1200px) daha geniş tutarak logoyu baya sola, menüyü baya sağa alır ve ferahlık katar */
}

.header.kaydirma {
    background: var(--renk-lacivert-3);
    box-shadow: var(--golge-md);
    padding: 0.875rem 0;
}

.header-ici {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    margin-left: 0; /* Genişletilmiş container sayesinde ekstra negatif margin'e gerek kalmadı */
}

.logo img {
    height: 52px;
    width: auto;
    object-fit: contain;
    object-position: left center;
}

.logo-yazi {
    font-family: var(--font-ana);
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--renk-beyaz);
    letter-spacing: 1.5px;
    max-width: 0;
    opacity: 0;
    overflow: hidden;
    white-space: nowrap;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    margin-left: 0;
}

.header.kaydirma .logo-yazi {
    max-width: 400px;
    opacity: 1;
    margin-left: 1rem;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav a,
.nav .dropdown-toggle {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: color var(--gecis);
    cursor: pointer;
}

.nav a::after,
.nav .dropdown-toggle::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--renk-kirmizi);
    transition: width var(--gecis);
}

.nav a:hover,
.nav a.aktif,
.nav .dropdown-toggle:hover {
    color: var(--renk-beyaz);
}

.nav a:hover::after,
.nav a.aktif::after,
.nav .dropdown-toggle:hover::after {
    width: 100%;
}

/* Dropdown Menü (Desktop) */
.dropdown {
    position: relative;
    display: inline-block;
    padding: 1rem 0; /* Bridge hover gap */
    margin: -1rem 0;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(15px);
    min-width: 180px;
    background: var(--renk-lacivert);
    border-radius: var(--radius-md);
    box-shadow: var(--golge-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--gecis);
    padding: 0.75rem 0;
    display: flex;
    flex-direction: column;
    pointer-events: none;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: all;
}

.dropdown-menu a {
    padding: 0.5rem 1.5rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
    transition: all var(--gecis);
    white-space: nowrap;
}

.dropdown-vurgulu {
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--renk-beyaz) !important;
}

.dropdown-menu a::after {
    display: none;
}

.dropdown-menu a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--renk-beyaz);
    padding-left: 1.75rem;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
    background: none;
    border: none;
}

.hamburger span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--renk-beyaz);
    transition: all var(--gecis);
    border-radius: 2px;
}

.hamburger.acik span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.acik span:nth-child(2) {
    opacity: 0;
}

.hamburger.acik span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobil menü */
.mobil-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--renk-lacivert-3);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--gecis);
}

.mobil-menu.acik {
    display: flex;
    opacity: 1;
    pointer-events: all;
}

.mobil-menu a,
.mobil-dropdown-toggle {
    color: var(--renk-beyaz);
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    cursor: pointer;
}

.mobil-dropdown {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.mobil-dropdown-menu {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.mobil-dropdown-menu a {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

.mobil-dropdown-menu a:hover {
    color: var(--renk-kirmizi);
}

/* ================================================
   HERO
   ================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--renk-lacivert-3);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('../assets/Sigma_Görsel.jpeg');
    background-size: cover;
    background-position: center;
    opacity: 0.9;
    transform: scale(1.05);
    transition: transform 8s ease;
    z-index: 0;
}

.hero-bg.yuklu {
    transform: scale(1);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(180deg,
            rgba(13, 26, 54, 0.55) 0%,
            rgba(13, 26, 54, 0.72) 60%,
            rgba(13, 26, 54, 0.95) 100%);
}

.hero-icerik {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 8rem 1.5rem 4rem;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(204, 34, 41, 0.15);
    border: 1px solid rgba(204, 34, 41, 0.4);
    color: #ff8589;
    padding: 0.4rem 1.2rem;
    border-radius: var(--radius-tam);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.hero-badge::before {
    content: '★';
    color: var(--renk-kirmizi);
}

.hero-h1 {
    font-size: var(--font-buyuk);
    font-weight: 900;
    color: var(--renk-beyaz);
    line-height: 1.15;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.hero-h1 .vurgu {
    color: var(--renk-kirmizi);
    position: relative;
    display: inline-block;
}

.hero-alt {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, 0.92);
    max-width: 640px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

/* Öğrenci kartları (hero alt) — Marquee Ticker */
.ogrenci-kartlari {
    position: relative;
    z-index: 2;
    padding: 0 0 3rem;
    width: 100%;
    overflow: hidden;
}

.ogrenci-kartlari-baslik {
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

/* Dıs marquee - kenarlari sollastirir */
.ogrenci-marquee {
    display: flex;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 6%, black 94%, transparent 100%);
    mask-image: linear-gradient(to right, transparent 0%, black 6%, black 94%, transparent 100%);
}

/* Kayan satir - iki kopya arka arkaya */
.ogrenci-marquee-track {
    display: flex;
    gap: 1rem;
    padding: 0.25rem 0;
    animation: marqueeKay 35s linear infinite;
    will-change: transform;
    flex-shrink: 0;
}

.ogrenci-marquee:hover .ogrenci-marquee-track {
    animation-play-state: paused;
}

@keyframes marqueeKay {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.ogrenci-kart {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    width: 195px;
    flex-shrink: 0;
    backdrop-filter: blur(10px);
    text-align: center;
    transition: all var(--gecis);
    cursor: default;
}

.ogrenci-kart:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
    border-color: rgba(204, 34, 41, 0.4);
}

.ogrenci-kart-isim {
    color: var(--renk-beyaz);
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 0.4rem;
}

.ogrenci-kart-bolum {
    color: var(--renk-kirmizi);
    font-size: 0.8rem;
    font-weight: 600;
}

.ogrenci-kart-uni {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

/* ================================================
   ÜNİVERSİTE BANDI
   ================================================ */
.uni-bandi {
    background: var(--renk-lacivert);
    padding: 1.5rem 0;
    overflow: hidden;
}

.uni-bandi-icerik {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.uni-bandi p {
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    flex-shrink: 0;
}

.uni-listesi {
    display: flex;
    gap: 2.5rem;
    align-items: center;
    flex-wrap: nowrap;
    white-space: nowrap;
    justify-content: center;
}

.uni-listesi span {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    padding: 0.3rem 0;
    transition: color var(--gecis);
}

.uni-listesi span:hover {
    color: var(--renk-beyaz);
}

/* ================================================
   PROGRAM KARTLARI
   ================================================ */
.programlar-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: var(--bosluk-md);
}

.program-kart {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 340px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2.5rem;
    cursor: pointer;
    transition: transform var(--gecis), box-shadow var(--gecis);
}

.program-kart:hover {
    transform: translateY(-6px);
    box-shadow: var(--golge-lg);
}

.program-kart-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform var(--gecis-yavas);
}

.program-kart:hover .program-kart-bg {
    transform: scale(1.05);
}

.program-kart-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.75) 100%);
}

.program-kart-icerik {
    position: static;
    z-index: 2;
}

.program-kart-etiket {
    display: inline-block;
    background: var(--renk-kirmizi);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-tam);
    margin-bottom: 0.75rem;
}

.program-kart-baslik {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--renk-beyaz);
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

.program-kart-aciklama {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}

.program-kart-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--renk-beyaz);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: gap var(--gecis);
}

.program-kart-link:hover {
    gap: 0.75rem;
}

.program-kart-link::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
}

/* ================================================
   NEDEN SİGMA? (Bento Grid)
   ================================================ */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-top: var(--bosluk-md);
}

.bento-kart {
    background: var(--renk-gri-acik);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    transition: all var(--gecis);
    border: 1px solid var(--renk-gri);
    position: relative;
    overflow: hidden;
}

.bento-kart::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--renk-kirmizi);
    transform: scaleX(0);
    transition: transform var(--gecis);
}

.bento-kart:hover::before {
    transform: scaleX(1);
}

.bento-kart:hover {
    background: var(--renk-beyaz);
    box-shadow: var(--golge-md);
    transform: translateY(-4px);
}

.bento-kart-ikon {
    width: 56px;
    height: 56px;
    background: rgba(26, 45, 90, 0.08);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1.25rem;
}

.bento-kart-baslik {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--renk-lacivert);
    margin-bottom: 0.75rem;
}

.bento-kart-metin {
    color: var(--renk-metin-2);
    font-size: 0.9rem;
    line-height: 1.65;
}

/* ================================================
   SAYI VURGUSU
   ================================================ */
.sayilar {
    background: var(--renk-lacivert);
    padding: var(--bosluk-lg) 0;
}

.sayilar-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    text-align: center;
}

.sayi-kart {
    padding: 2rem;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.sayi-kart:last-child {
    border-right: none;
}

.sayi-numara {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 900;
    color: var(--renk-beyaz);
    line-height: 1;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.sayi-numara span {
    color: var(--renk-kirmizi);
}

.sayi-baslik {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ================================================
   CTA BÖLÜMÜ
   ================================================ */
.cta-bolum {
    background: linear-gradient(135deg, var(--renk-lacivert) 0%, var(--renk-lacivert-3) 100%);
    padding: var(--bosluk-lg) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-bolum::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 50%;
    height: 200%;
    background: radial-gradient(circle, rgba(204, 34, 41, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.cta-h2 {
    font-size: var(--font-h2);
    font-weight: 900;
    color: var(--renk-beyaz);
    margin-bottom: 0.75rem;
    line-height: 1.2;
}

.cta-h2 span {
    color: var(--renk-kirmizi);
}

.cta-metin {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
}

.cta-tel {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--renk-kirmizi);
    color: var(--renk-beyaz);
    padding: 1.1rem 2.5rem;
    border-radius: var(--radius-tam);
    font-size: 1.2rem;
    font-weight: 700;
    transition: all var(--gecis);
    text-decoration: none;
}

.cta-tel:hover {
    background: var(--renk-kirmizi-2);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(204, 34, 41, 0.45);
}

/* ================================================
   FOOTER
   ================================================ */
.footer {
    background: var(--renk-lacivert-3);
    color: rgba(255, 255, 255, 0.75);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1.4fr 1.4fr;
    gap: 2.5rem;
    margin-bottom: 3rem;
    align-items: start;
}

.footer-logo {
    height: 48px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-tanim {
    font-size: 0.875rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 1.5rem;
}

.footer-sosyal {
    display: flex;
    gap: 1rem;
}

.sosyal-link {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.1rem;
    transition: all var(--gecis);
    text-decoration: none;
}

.sosyal-link:hover {
    background: var(--renk-kirmizi);
    color: white;
    transform: translateY(-3px);
}

.footer-baslik {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 1.25rem;
}

.footer-iletisim li {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.875rem;
    font-size: 0.875rem;
    align-items: flex-start;
    color: rgba(255, 255, 255, 0.7);
}

.footer-iletisim li span {
    flex-shrink: 0;
    font-size: 1rem;
    margin-top: 0.1rem;
}

.footer-harita {
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-harita iframe {
    width: 100%;
    height: 200px;
    border: 0;
    display: block;
    filter: grayscale(30%) brightness(0.85);
}

.footer-alt {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.35);
    flex-wrap: wrap;
    gap: 0.75rem;
}

.footer-alt-linkler {
    display: flex;
    gap: 1.5rem;
}

.footer-alt-linkler a {
    color: rgba(255, 255, 255, 0.35);
    transition: color var(--gecis);
}

.footer-alt-linkler a:hover {
    color: rgba(255, 255, 255, 0.7);
}

/* ================================================
   İÇ SAYFA HERO (Alt Sayfalar)
   ================================================ */
.iç-hero {
    background: linear-gradient(135deg, var(--renk-lacivert) 0%, var(--renk-lacivert-3) 100%);
    padding: 9rem 0 4rem;
    text-align: center;
}

.iç-hero-etiket {
    color: var(--renk-kirmizi);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    display: block;
}

.iç-hero h1 {
    font-size: var(--font-h1);
    font-weight: 900;
    color: var(--renk-beyaz);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.iç-hero p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 991px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer-grid>*:last-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .programlar-grid {
        grid-template-columns: 1fr;
    }

    .program-kart {
        min-height: 280px;
    }

    .bento-grid {
        grid-template-columns: 1fr;
    }

    .sayilar-grid {
        grid-template-columns: 1fr;
    }

    .sayi-kart {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .sayi-kart:last-child {
        border-bottom: none;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-alt {
        flex-direction: column;
        text-align: center;
    }

    .hero-icerik {
        padding: 7rem 1.5rem 3rem;
    }

    .ogrenci-kartlari-grid {
        justify-content: flex-start;
        flex-wrap: nowrap;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .ogrenci-kart {
        min-width: 160px;
    }
}

/* ================================================
   YENİ — Form / Tablo / İletişim / Metin İçerik
   ================================================ */

/* CTA hızlı form (anasayfa) */
.cta-form {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr auto;
    gap: 0.6rem;
    max-width: 760px;
    margin: 1.5rem auto 0;
}

.cta-form input,
.cta-form select {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.06);
    color: white;
    font-size: 0.9rem;
    outline: none;
    transition: border-color var(--gecis);
}

.cta-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.cta-form input:focus,
.cta-form select:focus {
    border-color: var(--renk-kirmizi);
    background: rgba(255, 255, 255, 0.1);
}

.cta-form select {
    color: rgba(255, 255, 255, 0.85);
}

.cta-form select option {
    color: var(--renk-lacivert);
}

.cta-form button {
    padding: 0.75rem 1.4rem;
    background: var(--renk-kirmizi);
    color: white;
    border: 0;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background var(--gecis), transform var(--gecis);
    white-space: nowrap;
}

.cta-form button:hover {
    background: #b3171f;
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    .cta-form {
        grid-template-columns: 1fr;
    }
}

/* İletişim sayfası */
.iletisim-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 2.5rem;
    align-items: start;
}

.iletisim-bilgi-baslik {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--renk-lacivert);
    margin-bottom: 1.25rem;
}

.iletisim-satir {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: var(--renk-gri-acik);
    border: 1px solid var(--renk-gri);
    border-radius: var(--radius-md);
    margin-bottom: 0.75rem;
    color: var(--renk-metin-2);
    text-decoration: none;
    transition: all var(--gecis);
}

.iletisim-satir:hover {
    background: white;
    box-shadow: var(--golge-md);
    border-color: var(--renk-kirmizi);
    transform: translateX(2px);
}

.iletisim-ikon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.iletisim-etiket {
    font-size: 0.75rem;
    color: var(--renk-metin-2);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.iletisim-deger {
    color: var(--renk-lacivert);
    font-weight: 700;
    font-size: 1rem;
}

.iletisim-form-kutusu {
    background: var(--renk-beyaz);
    border: 1px solid var(--renk-gri);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--golge-md);
}

.form-aciklama {
    font-size: 0.9rem;
    color: var(--renk-metin-2);
    margin-bottom: 1.5rem;
}

.form-satir {
    margin-bottom: 1rem;
}

.form-satir label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--renk-lacivert);
    margin-bottom: 0.4rem;
}

.form-satir .zorunlu {
    color: var(--renk-kirmizi);
}

.form-satir input,
.form-satir select,
.form-satir textarea {
    width: 100%;
    padding: 0.7rem 0.9rem;
    border: 1px solid var(--renk-gri);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-family: inherit;
    background: var(--renk-beyaz);
    color: var(--renk-metin);
    transition: border-color var(--gecis);
}

.form-satir input:focus,
.form-satir select:focus,
.form-satir textarea:focus {
    outline: none;
    border-color: var(--renk-kirmizi);
}

.form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-onay {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    margin: 1rem 0 1.25rem;
    font-size: 0.85rem;
    color: var(--renk-metin-2);
    line-height: 1.5;
}

.form-onay input {
    margin-top: 0.25rem;
}

.form-onay a {
    color: var(--renk-kirmizi);
    font-weight: 700;
}

.form-btn {
    width: 100%;
    padding: 0.95rem;
    background: var(--renk-kirmizi);
    color: white;
    border: 0;
    border-radius: var(--radius-md);
    font-weight: 800;
    font-size: 1rem;
    cursor: pointer;
    transition: background var(--gecis), transform var(--gecis);
}

.form-btn:hover {
    background: #b3171f;
    transform: translateY(-2px);
}

.iletisim-harita {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--golge-md);
}

.iletisim-harita iframe {
    width: 100%;
    height: 420px;
    border: 0;
    display: block;
}

@media (max-width: 991px) {
    .iletisim-grid {
        grid-template-columns: 1fr;
    }

    .form-grid-2 {
        grid-template-columns: 1fr;
    }

    .iletisim-harita iframe {
        height: 300px;
    }
}

/* Program tablosu */
.tablo-cerceve {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--renk-gri);
    background: white;
    box-shadow: var(--golge-md);
}

.program-tablo {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

.program-tablo thead {
    background: var(--renk-lacivert);
    color: white;
}

.program-tablo th {
    padding: 0.9rem 1rem;
    text-align: left;
    font-weight: 700;
    letter-spacing: 0.04em;
    font-size: 0.85rem;
}

.program-tablo td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--renk-gri);
    color: var(--renk-metin-2);
}

.program-tablo tbody tr:hover {
    background: var(--renk-gri-acik);
}

.program-tablo tbody tr:last-child td {
    border-bottom: 0;
}

.program-tablo td:first-child {
    font-weight: 700;
    color: var(--renk-lacivert);
    white-space: nowrap;
}

/* Metin sayfaları (gizlilik / cerez) */
.metin-icerik {
    max-width: 820px;
}

.metin-icerik h2 {
    color: var(--renk-lacivert);
    font-size: 1.4rem;
    font-weight: 800;
    margin: 2rem 0 0.75rem;
}

.metin-icerik h3 {
    color: var(--renk-kirmizi);
    font-size: 1.05rem;
    font-weight: 700;
    margin: 1.25rem 0 0.5rem;
}

.metin-icerik p,
.metin-icerik li {
    color: var(--renk-metin-2);
    font-size: 0.98rem;
    line-height: 1.75;
}

.metin-icerik p {
    margin-bottom: 1rem;
}

.metin-icerik ul {
    list-style: disc;
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.metin-icerik a {
    color: var(--renk-kirmizi);
    font-weight: 600;
    text-decoration: underline;
}

.metin-tarih {
    font-size: 0.85rem;
    color: var(--renk-gri-orta);
    font-style: italic;
    margin-bottom: 1.5rem;
}

/* Footer kurumsal bilgi */
.footer-kurumsal-bilgi {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 1rem;
    margin-top: 1.5rem;
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.4);
    text-align: center;
    line-height: 1.6;
}

.footer-kurumsal-bilgi strong {
    color: rgba(255, 255, 255, 0.65);
    font-weight: 700;
}

/* Footer iletişim link rengi */
.footer-iletisim a {
    color: inherit;
    text-decoration: none;
    transition: color var(--gecis);
}

.footer-iletisim a:hover {
    color: #ff8589;
}

/* Footer harita iframe (yeni — overlay anchor kaldırıldı) */
.footer-harita {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.footer-harita iframe {
    width: 100%;
    height: 180px;
    border: 0;
    display: block;
    filter: grayscale(30%) brightness(0.85);
}

/* ================================================
   YENİ — Particles + Daktilo + Scroll Bar + Floating WA + Konfeti
   ================================================ */
.particles-wrap {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.parcacik {
    position: absolute;
    font-weight: 700;
    font-family: 'Cambria Math', 'Times New Roman', serif;
    user-select: none;
    will-change: transform, opacity;
    transform-origin: center;
    filter: blur(0.3px);
    letter-spacing: -0.02em;
}

/* Üniversite Logo Şeridi (kayan) */
.uni-bandi-baslik {
    text-align: center;
    color: rgba(255,255,255,0.55);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    margin-bottom: 1.5rem;
}

.uni-marquee {
    width: 100%;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.uni-marquee-track {
    display: flex;
    gap: 1.5rem;
    width: max-content;
    animation: uniKay 45s linear infinite;
}

.uni-marquee-track img {
    height: 64px;
    width: auto;
    filter: brightness(1.05) saturate(0.95);
    border-radius: 8px;
    transition: transform 0.25s, filter 0.25s;
}

.uni-marquee-track img:hover {
    transform: translateY(-3px) scale(1.05);
    filter: brightness(1.15) saturate(1.1);
}

@keyframes uniKay {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes parcacikUcus {
    0%   { transform: translate(0, 0) rotate(0deg) scale(1);   opacity: 0; }
    10%  { opacity: var(--start-op, 0.22); }
    50%  { transform: translate(calc(var(--dx) * 0.5), calc(var(--dy) * 0.5)) rotate(calc(var(--rot) * 0.5)) scale(1.15); }
    90%  { opacity: var(--start-op, 0.22); }
    100% { transform: translate(var(--dx), var(--dy)) rotate(var(--rot)) scale(1); opacity: 0; }
}

.bolum > .container,
.bolum > .bolum-baslik {
    position: relative;
    z-index: 1;
}

/* Daktilo imleci */
.daktilo-aktif::after {
    content: '|';
    color: var(--renk-kirmizi);
    animation: imleg 0.7s infinite;
    margin-left: 2px;
}

@keyframes imleg {
    50% { opacity: 0; }
}

/* Scroll progress bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    background: linear-gradient(90deg, var(--renk-kirmizi), #ff8589);
    z-index: 9999;
    transition: width 0.08s linear;
    box-shadow: 0 0 8px rgba(204, 34, 41, 0.6);
}

/* Floating WhatsApp */
.floating-wa {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 8px 22px rgba(37, 211, 102, 0.45);
    z-index: 998;
    animation: nabiz 2.2s infinite;
    transition: transform 0.2s ease;
}

.floating-wa:hover {
    transform: scale(1.08);
    animation: none;
}

.floating-wa::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: #25D366;
    opacity: 0.45;
    animation: dalga 2.2s infinite;
    z-index: -1;
}

@keyframes nabiz {
    0%, 100% { box-shadow: 0 8px 22px rgba(37, 211, 102, 0.45); }
    50% { box-shadow: 0 8px 30px rgba(37, 211, 102, 0.75); }
}

@keyframes dalga {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.8); opacity: 0; }
}

.floating-wa-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--renk-lacivert);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-tam);
    font-size: 0.8rem;
    font-weight: 700;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s, transform 0.2s;
}

.floating-wa-tooltip::after {
    content: '';
    position: absolute;
    right: -5px;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: var(--renk-lacivert);
}

.floating-wa:hover .floating-wa-tooltip {
    opacity: 1;
    transform: translateY(-50%) translateX(-4px);
}

/* Konfeti */
.konfeti {
    position: fixed;
    width: 10px;
    height: 14px;
    pointer-events: none;
    z-index: 9999;
    animation: konfetiUcus 1.8s cubic-bezier(.2,.7,.4,1) forwards;
}

@keyframes konfetiUcus {
    0%   { transform: translate(0, 0) rotate(0deg); opacity: 1; }
    100% { transform: translate(var(--dx), var(--dy)) rotate(720deg); opacity: 0; }
}

/* ================================================
   MOBİL İYİLEŞTİRMELERİ
   ================================================ */
@media (max-width: 768px) {
    /* Hero üst boşluk azalt */
    .hero {
        min-height: auto;
        padding-top: 5rem;
    }

    .hero-h1 {
        font-size: clamp(2rem, 8vw, 3rem) !important;
    }

    .hero-alt {
        font-size: 0.95rem;
        padding: 0 0.5rem;
    }

    /* İç hero */
    .iç-hero {
        padding: 6rem 0 2.5rem;
    }

    .iç-hero h1 {
        font-size: clamp(1.6rem, 7vw, 2.4rem);
    }

    .iç-hero p {
        font-size: 0.95rem;
        padding: 0 1rem;
    }

    /* Bölüm padding */
    .bolum {
        padding: 3rem 0;
    }

    .bolum-h2 {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }

    /* Bento ve programlar grid mobilde tek sütun */
    .bento-grid,
    .programlar-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem;
    }

    .bento-kart {
        padding: 1.5rem;
    }

    /* Üniversite şeridi mobilde yatay scroll */
    .uni-listesi {
        overflow-x: auto;
        flex-wrap: nowrap;
        gap: 1.25rem;
        padding: 0 1rem 0.5rem;
        scrollbar-width: thin;
    }

    .uni-listesi span {
        white-space: nowrap;
        flex-shrink: 0;
        font-size: 0.78rem;
    }

    /* Floating WA tooltip mobilde gizle */
    .floating-wa-tooltip {
        display: none;
    }

    .floating-wa {
        bottom: 16px;
        right: 16px;
        width: 52px;
        height: 52px;
    }

    .floating-wa svg {
        width: 24px;
        height: 24px;
    }

    /* CTA form tek sütun */
    .cta-form {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    /* Tablolar yatay kaydır */
    .program-tablo {
        font-size: 0.85rem;
    }

    .program-tablo th,
    .program-tablo td {
        padding: 0.5rem 0.6rem;
    }

    /* Footer mobilde tek sütun */
    .footer-grid {
        grid-template-columns: 1fr !important;
        gap: 1.5rem;
    }

    /* CTA tel buton tam genişlik */
    .cta-tel {
        font-size: 1rem;
        padding: 0.9rem 1.5rem;
    }

    /* Öğrenci kartlarında min-width azalt */
    .ogrenci-kart {
        min-width: 150px;
        padding: 0.9rem;
    }

    /* Başarı grid mobil 2 sütun */
    .basari-grid {
        grid-template-columns: 1fr 1fr !important;
    }
}

@media (max-width: 480px) {
    .hero-h1 {
        font-size: 2rem !important;
    }

    .iç-hero h1 {
        font-size: 1.6rem;
    }

    /* Header logo yazısını gizle */
    .logo-yazi {
        display: none;
    }

    .basari-grid {
        grid-template-columns: 1fr !important;
    }

    .filtre-bar {
        gap: 0.4rem;
    }

    .filtre-btn {
        padding: 0.4rem 0.9rem;
        font-size: 0.8rem;
    }
}