/* ——— RLAY HUB — premium dark / warm gold ——— */
:root {
  --bg: #050505;
  --bg-elevated: #0c0c0c;
  --charcoal: #141210;
  --gold: #c9a227;
  --gold-bright: #e8c547;
  --bronze: #8b6914;
  --beige: #c4b8a5;
  --text: #f5f0e8;
  --text-muted: rgba(245, 240, 232, 0.55);
  --border: rgba(201, 162, 39, 0.22);
  --glow: rgba(232, 197, 71, 0.12);
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-pill: 999px;
  --font: "Poppins", system-ui, sans-serif;
  --font-display: "DM Sans", system-ui, sans-serif;
  --header-h: 76px;
  --hero-mask-url: url("../assets/hero-mask-alpha.png");
  --hero-mask-size: 96% 78%;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

/* Touch cihazlarda ScrollTrigger scrub ile uyum (özellikle iOS) */
@media (max-width: 768px) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.modal-open {
  overflow: hidden;
}

.form-honeypot {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.form-toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translate(-50%, 120%);
  z-index: 10001;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  background: rgba(20, 18, 16, 0.95);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.95rem;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  transition: transform 0.35s ease, opacity 0.35s ease;
  opacity: 0;
  max-width: min(92vw, 420px);
  text-align: center;
}

.form-toast.is-visible {
  transform: translate(-50%, 0);
  opacity: 1;
}

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

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: min(1180px, 92vw);
  margin-inline: auto;
}

.container--narrow {
  width: min(720px, 92vw);
}

/* ——— Header ——— */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1100;
  padding: 14px 20px;
  pointer-events: none;
}

.site-header > * {
  pointer-events: auto;
}

.header-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.25rem;
  min-height: 72px;
  padding: 9px 10px;
  background: rgba(8, 8, 8, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.45);
}

.site-header.is-scrolled .header-inner {
  background: rgba(5, 5, 5, 0.72);
  border-color: rgba(201, 162, 39, 0.28);
}

.logo {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

.logo img {
  display: block;
  width: auto;
  height: 35px;
  object-fit: contain;
  filter: brightness(0.95) contrast(1.06);
}

.nav {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.95rem;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.nav a {
  color: var(--text-muted);
  transition: color 0.25s ease;
}

.nav a:hover {
  color: var(--text);
}

.nav__cta-mobile {
  display: none;
}

.btn-header {
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 0 auto;
  background: var(--gold);
  border-radius: 1px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.6rem;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
}

.btn-header {
  background: linear-gradient(135deg, var(--gold-bright), var(--bronze));
  color: #0a0a0a;
  box-shadow: 0 4px 24px rgba(201, 162, 39, 0.25);
  padding: 0.62rem 1.25rem;
}

.btn-header:hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
  box-shadow: 0 8px 32px rgba(232, 197, 71, 0.35);
}

.btn-sponsor {
  background: linear-gradient(135deg, #d4af37, #7a5c12);
  color: #0c0c0c;
  margin-top: 0.5rem;
  box-shadow: 0 4px 28px rgba(201, 162, 39, 0.2);
}

.btn-sponsor:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 36px rgba(232, 197, 71, 0.28);
}

/* ——— Hero: video sabit; siyah + maske tek “perde” — kaydırınca translateY ile yukarı çekilir ——— */
.hero-spacer {
  position: relative;
  width: 100%;
  max-width: 100%;
  height: 235vh;
  margin-top: 0;
  background: var(--bg);
  overflow: hidden;
}

.hero-pin {
  position: relative;
  width: 100%;
  max-width: 100%;
  height: 100vh;
  height: 100dvh;
  min-height: 520px;
  overflow: hidden;
  background: #000;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: #000;
  z-index: 0;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-width: 100%;
  min-height: 100%;
  object-fit: cover;
  object-position: center center;
  z-index: 1;
  background: #000;
  pointer-events: none;
}

.hero-shutter {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  will-change: transform;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.hero-top-bottom-matte {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.hero-side-matte {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.hero-side-matte::before,
.hero-side-matte::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 4.8%;
  background: #000;
}

.hero-side-matte::before {
  left: 0;
}

.hero-side-matte::after {
  right: 0;
}

.hero-top-bottom-matte::before,
.hero-top-bottom-matte::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 11%;
  background: #000;
}

.hero-top-bottom-matte::before {
  top: 0;
}

.hero-top-bottom-matte::after {
  bottom: 0;
}

.hero-darkplate {
  position: absolute;
  inset: 0;
  z-index: 3;
  background: #000;
  -webkit-mask-image: var(--hero-mask-url);
  -webkit-mask-size: var(--hero-mask-size);
  -webkit-mask-position: center center;
  -webkit-mask-repeat: no-repeat;
  mask-image: var(--hero-mask-url);
  mask-size: var(--hero-mask-size);
  mask-position: center center;
  mask-repeat: no-repeat;
  mask-mode: alpha;
  /* iOS Safari: -webkit-mask-source-type bazen tüm alanı opak gösterir → siyah blok */
  pointer-events: none;
}

@media (max-width: 768px) {
  :root {
    --hero-mask-url: url("../assets/hero-mask-mobile.png");
    /* cover kaldırıldı — kırpma yok; masaüstü mantığı, hafif küçük */
    --hero-mask-size: 91% 74%;
  }

  .hero-pin {
    min-height: 0;
    height: 100vh;
    height: 100svh;
    height: 100dvh;
  }

  /* Masaüstü ile aynı kaydırma oranı (235vh) */
  .hero-spacer {
    height: 235vh;
    height: 235svh;
    height: 235dvh;
  }

  /* Masaüstü gibi sabit % matlar; yanlar siyah, kaydırırken genişlik oynamaz */
  .hero-side-matte::before,
  .hero-side-matte::after {
    width: 6%;
  }

  /* İnce üst/alt video şeritlerini kapat; harfi kırpmayacak seviyede tut */
  .hero-top-bottom-matte::before,
  .hero-top-bottom-matte::after {
    height: 12%;
  }

  .hero-darkplate {
    -webkit-mask-position: center center;
    mask-position: center center;
  }

  /*
   * Çizgiler, viewport kenarında değil maske kutusunun üst/alt sınırında görünüyor.
   * Görsel boyutuna dokunmadan bu iki seam noktasını ince siyah bantla kapat.
   */
  .hero-shutter::before,
  .hero-shutter::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    height: 8px;
    background: #000;
    z-index: 5;
    pointer-events: none;
  }

  .hero-shutter::before {
    top: calc(50% - 37.8%);
    height: 12px;
  }

  .hero-shutter::after {
    top: calc(50% + 37%);
  }

  /* Görsel boyutuna dokunmadan sadece üst/alt ince video sızıntı çizgilerini kapat */
  .hero-pin::before,
  .hero-pin::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    height: 4px;
    background: #000;
    z-index: 4;
    pointer-events: none;
  }

  .hero-pin::before {
    top: 0;
  }

  .hero-pin::after {
    bottom: 0;
  }
}

/* ——— Sections ——— */
.section {
  position: relative;
  padding: clamp(4.5rem, 10vw, 7rem) 0;
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4.5vw, 2.85rem);
  text-align: center;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: linear-gradient(180deg, var(--gold-bright), var(--bronze));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 0 0 0.75rem;
}

.section-title--left {
  text-align: left;
  margin-bottom: 1.25rem;
}

/* ——— Eğitmenler ——— */
.trainers-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-top: 1.25rem;
}

.trainer-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(12, 12, 12, 0.65);
  border: 1px solid var(--border);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.45);
  cursor: pointer;
  outline: none;
}

.trainer-card:focus-visible {
  box-shadow: 0 0 0 2px rgba(232, 197, 71, 0.28), 0 18px 60px rgba(0, 0, 0, 0.45);
}

.trainer-card__img {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: #0a0a0a;
  padding: 10px;
  display: grid;
  place-items: center;
}

.trainer-card__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: contrast(1.05) brightness(0.96);
  transform: none;
}

.trainer-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 12px 13px;
}

.trainer-card__name {
  margin: 0;
  font-weight: 700;
  font-size: 0.92rem;
  line-height: 1.2;
}

.trainer-card__links {
  display: inline-flex;
  gap: 8px;
  flex-shrink: 0;
}

.trainer-link {
  width: 30px;
  height: 30px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(232, 197, 71, 0.25);
  background: rgba(8, 8, 8, 0.5);
  color: var(--gold-bright);
  font-weight: 800;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
}

.trainer-link:hover {
  border-color: rgba(232, 197, 71, 0.45);
  background: rgba(232, 197, 71, 0.08);
}

/* Modal */
.trainer-modal {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.22s ease, visibility 0.22s ease;
}

.trainer-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.trainer-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.76);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.trainer-modal__dialog {
  position: relative;
  z-index: 1;
  width: min(1100px, calc(100vw - 24px));
  max-height: min(88vh, 900px);
  overflow: auto;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: radial-gradient(1200px 700px at 75% 20%, rgba(201, 162, 39, 0.16), rgba(12, 12, 12, 0.92) 55%);
  box-shadow: 0 28px 100px rgba(0, 0, 0, 0.65);
  padding: 0;
}

.trainer-modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}

.trainer-modal__top {
  display: grid;
  grid-template-columns: minmax(340px, 44%) 1fr;
  gap: 0;
  align-items: start;
}

.trainer-modal__photo {
  border-radius: 18px 0 0 18px;
  overflow: hidden;
  border-right: 1px solid rgba(201, 162, 39, 0.18);
  background: #0a0a0a;
  min-height: 520px;
}

.trainer-modal__photo img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

.trainer-modal__head {
  padding: 22px 22px 12px;
  min-width: 0;
}

.trainer-modal__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.65rem;
  letter-spacing: 0.02em;
}

.trainer-modal__role {
  margin: 0.35rem 0 0.75rem;
  color: var(--text-muted);
}

.trainer-modal__links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.trainer-modal__bio {
  margin: 12px 0 0;
  padding: 0;
  color: rgba(245, 240, 232, 0.85);
  line-height: 1.7;
  white-space: pre-wrap;
}

@media (max-width: 1024px) {
  .trainers-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .trainers-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .trainer-modal__top {
    grid-template-columns: 1fr;
  }

  .trainer-modal__photo {
    border-radius: 18px 18px 0 0;
    border-right: none;
    border-bottom: 1px solid rgba(201, 162, 39, 0.18);
    min-height: 280px;
    max-height: 44vh;
  }

  .trainer-modal__head {
    padding: 18px 16px 10px;
  }

  .trainer-modal__bio {
    padding: 0 16px 16px;
  }
}

.section-sub {
  text-align: center;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto 2.5rem;
  font-size: 1rem;
}

.section-eyebrow {
  text-align: center;
  font-size: 0.75rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 1.25rem;
}

/* Countdown */
.section-countdown {
  background: linear-gradient(180deg, #000 0%, var(--bg) 40%);
}

.countdown {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(0.75rem, 3vw, 1.5rem);
}

.countdown__item {
  min-width: 100px;
  padding: 1.35rem 1.5rem;
  text-align: center;
  border-radius: var(--radius-md);
  background: rgba(20, 18, 16, 0.85);
  border: 1px solid var(--border);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.4), 0 12px 40px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.countdown__num {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  line-height: 1;
  color: var(--text);
  background: linear-gradient(180deg, #fff 0%, var(--beige) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.countdown__label {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.85;
}

/* About */
.about-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
  padding: clamp(2rem, 4vw, 3rem);
  border-radius: var(--radius-lg);
  background: rgba(12, 12, 12, 0.65);
  border: 1px solid var(--border);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.about-card__text {
  color: var(--text-muted);
  margin: 0 0 1.1rem;
}

.about-card__media {
  border-radius: calc(var(--radius-lg) - 6px);
  overflow: hidden;
  border: 1px solid rgba(201, 162, 39, 0.2);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
}

.about-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 5 / 6;
}

/* Campus */
.section-campus {
  padding-top: clamp(3.5rem, 8vw, 5.5rem);
}

.campus-copy {
  max-width: 980px;
  margin: 0 auto 2rem;
  color: var(--text-muted);
}

.campus-copy p {
  margin: 0 0 1rem;
}

.campus-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
}

.campus-card {
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #0a0a0a;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35);
}

.campus-card img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  cursor: zoom-in;
}

.campus-card--top {
  grid-column: span 3;
  aspect-ratio: 16 / 9;
}

.campus-card--bottom {
  grid-column: span 4;
  aspect-ratio: 16 / 9;
}

/* Kampüs: tıklanınca atlıkarınca (lightbox) */
.campus-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1250;
  display: grid;
  place-items: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.22s ease, visibility 0.22s ease;
}

.campus-lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.campus-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.campus-lightbox__panel {
  position: relative;
  z-index: 1;
  width: min(1100px, 100%);
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.campus-lightbox__close {
  position: absolute;
  top: -6px;
  right: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
  z-index: 2;
}

.campus-lightbox__close:hover {
  background: rgba(255, 255, 255, 0.12);
}

.campus-lightbox__row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.35rem, 2vw, 1rem);
  width: 100%;
  min-height: 0;
}

.campus-lightbox__figure {
  margin: 0;
  flex: 1;
  min-width: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  max-height: min(78vh, 720px);
}

.campus-lightbox__img {
  max-width: 100%;
  max-height: min(78vh, 720px);
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.55);
}

.campus-lightbox__nav {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(232, 197, 71, 0.35);
  background: rgba(12, 12, 12, 0.85);
  color: var(--gold-bright);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.campus-lightbox__nav:hover {
  background: rgba(232, 197, 71, 0.12);
  border-color: rgba(232, 197, 71, 0.55);
}

.campus-lightbox__counter {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .campus-lightbox__nav {
    width: 42px;
    height: 42px;
  }

  .campus-lightbox__row {
    gap: 0.25rem;
  }
}

/* Sponsorluk Formu */
.section-sponsorship-form {
  padding-top: 0;
}

.sponsor-form-card {
  padding: clamp(1.25rem, 3vw, 2rem);
  border-radius: var(--radius-lg);
  background: rgba(12, 12, 12, 0.65);
  border: 1px solid var(--border);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.sponsor-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 16px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-field label {
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid rgba(201, 162, 39, 0.25);
  border-radius: 12px;
  background: rgba(8, 8, 8, 0.72);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.95rem;
  padding: 0.72rem 0.85rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: rgba(232, 197, 71, 0.55);
  box-shadow: 0 0 0 2px rgba(232, 197, 71, 0.12);
}

.form-field textarea {
  min-height: 132px;
  resize: vertical;
}

.form-field--full {
  grid-column: 1 / -1;
}

.sponsor-form .btn-sponsor {
  margin-top: 1rem;
}

.form-consent {
  margin-top: 0.85rem;
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 0.65rem;
  align-items: start;
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.45;
}

.form-consent input[type="checkbox"] {
  margin-top: 0.12rem;
  accent-color: var(--gold);
}

/* Iletisim Page */
.section-contact-page {
  padding-top: clamp(4.5rem, 10vw, 7rem);
}

.contact-card {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: clamp(1.4rem, 3vw, 2rem);
  align-items: start;
  padding: clamp(1.2rem, 2.8vw, 1.8rem);
  border-radius: var(--radius-lg);
  background: rgba(12, 12, 12, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

.contact-card__media {
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(201, 162, 39, 0.24);
}

.contact-card__media img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
}

.contact-form {
  margin-top: 0.65rem;
  max-width: 560px;
}

.contact-form .form-field {
  margin-bottom: 0.8rem;
}

.contact-form .form-field label {
  margin-bottom: 0.2rem;
  color: var(--text);
  font-weight: 600;
}

.contact-form input {
  border-radius: 999px;
  background: #f2f2f2;
  color: #111;
  border: 1px solid #dedede;
}

.contact-form textarea {
  width: 100%;
  margin: 0;
  padding: 0.75rem 1rem;
  border-radius: 14px;
  background: #f2f2f2;
  color: #111;
  border: 1px solid #dedede;
  font-family: inherit;
  font-size: 0.95rem;
  line-height: 1.5;
  resize: vertical;
  min-height: 120px;
}

.contact-form textarea:focus {
  outline: 2px solid rgba(201, 162, 39, 0.45);
  outline-offset: 1px;
}

.contact-form .btn-header {
  margin-top: 0.5rem;
}

/* Register Modal */
.register-modal {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.register-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.register-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.74);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.register-modal__dialog {
  position: relative;
  width: min(520px, calc(100vw - 24px));
  border-radius: 18px;
  border: 1px solid var(--border);
  background: #0c0c0c;
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.6);
  padding: 1.15rem 1.15rem 1.3rem;
}

.register-modal__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  color: var(--gold-bright);
  font-size: 1.5rem;
}

.register-modal__close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  cursor: pointer;
}

.register-form {
  display: grid;
  gap: 0.72rem;
}

/* Classes */
.class-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
}

.class-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--charcoal);
  border: 1px solid var(--border);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.45s ease, border-color 0.35s ease;
}

.class-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: rgba(232, 197, 71, 0.45);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5), 0 0 40px var(--glow);
}

.class-card__img {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.class-card__img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(5, 5, 5, 0.85) 100%);
  pointer-events: none;
}

.class-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}

.class-card:hover .class-card__img img {
  transform: scale(1.06);
}

.class-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  margin: 0 1.25rem 0.5rem;
  padding-top: 0.25rem;
  color: var(--gold-bright);
}

.class-card__desc {
  flex-grow: 1;
  margin: 0 1.25rem 1rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.class-card__cta {
  margin: 0 1.25rem 1.25rem;
  text-align: center;
  align-self: stretch;
}

/* Stratejik Partnerler */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-top: 1.25rem;
}

.partner-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000000;
  border: 1px solid var(--border);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.45);
  display: grid;
  place-items: center;
  padding: 18px 20px;
  min-height: 136px;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease, background 0.35s ease;
}

a.partner-card {
  color: inherit;
  text-decoration: none;
}

a.partner-card:hover {
  transform: translateY(-3px);
  border-color: rgba(232, 197, 71, 0.45);
  background: #000000;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.55), 0 0 36px var(--glow);
}

a.partner-card:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px rgba(232, 197, 71, 0.28), 0 24px 70px rgba(0, 0, 0, 0.55);
}

.partner-card__logo {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
}

.partner-card__logo img {
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 128px;
  object-fit: contain;
  filter: contrast(1.05) brightness(0.98);
}

@media (max-width: 1024px) {
  .partners-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .partners-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 3vw, 2.25rem);
}

.team-member {
  text-align: center;
  transition: transform 0.35s ease;
}

.team-member:hover {
  transform: translateY(-4px);
}

.team-member__photo {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  margin-bottom: 0.85rem;
  aspect-ratio: 1;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
  transition: box-shadow 0.35s ease, border-color 0.35s ease;
}

.team-member:hover .team-member__photo {
  border-color: rgba(232, 197, 71, 0.35);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5), 0 0 28px var(--glow);
}

.team-member__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.team-member:hover .team-member__photo img {
  transform: scale(1.04);
}

.team-member__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  margin: 0 0 0.25rem;
  color: var(--text);
}

.team-member__role {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* FAQ */
.section-faq {
  background: linear-gradient(180deg, var(--bg) 0%, #080706 100%);
}

.faq__item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.faq__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.35rem 0;
  font-family: var(--font);
  font-size: 1.05rem;
  font-weight: 500;
  text-align: left;
  color: var(--text);
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.25s ease;
}

.faq__q::after {
  content: "";
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  transform: rotate(45deg);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  opacity: 0.7;
}

.faq__item.is-open .faq__q::after {
  transform: rotate(-135deg);
}

.faq__q:hover {
  color: var(--gold-bright);
}

.faq__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.faq__item.is-open .faq__a {
  grid-template-rows: 1fr;
}

.faq__a > * {
  min-height: 0;
  overflow: hidden;
}

.faq__a p {
  margin: 0 0 1.25rem;
  padding-right: 2rem;
  color: var(--text-muted);
  font-size: 0.98rem;
}

/* Events */
.events-toggle {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.events-toggle__btn {
  padding: 0.65rem 1.85rem;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.events-toggle__btn:hover {
  border-color: rgba(232, 197, 71, 0.4);
  color: var(--text);
}

.events-toggle__btn.is-active {
  background: linear-gradient(135deg, var(--gold-bright), var(--bronze));
  color: #0a0a0a;
  border-color: transparent;
  box-shadow: 0 6px 28px rgba(201, 162, 39, 0.3);
}

.events-panel__text {
  max-width: 720px;
  margin: 0 auto 2rem;
  text-align: center;
  color: var(--text-muted);
  line-height: 1.75;
}

.events-panel__text.is-hidden {
  display: none;
}

.events-slider-wrap {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.events-slider {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: #0a0a0a;
  touch-action: pan-y;
  -webkit-user-select: none;
  user-select: none;
}

.events-slider.is-hidden {
  display: none;
}

.events-slider__track {
  display: flex;
  width: 100%;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.events-slider__slide {
  flex: 0 0 100%;
  aspect-ratio: 16 / 9;
}

.events-slider__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

@media (hover: hover) {
  .events-slider:hover .events-slider__slide img {
    transform: scale(1.03);
  }
}

.events-slider__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(5, 5, 5, 0.65);
  backdrop-filter: blur(8px);
  cursor: pointer;
  z-index: 2;
  transition: background 0.25s ease, border-color 0.25s ease;
}

.events-slider__nav:hover {
  border-color: var(--gold);
  background: rgba(20, 18, 16, 0.9);
}

.events-slider__nav--prev {
  left: 14px;
}

.events-slider__nav--prev::after {
  content: "";
  display: block;
  width: 10px;
  height: 10px;
  margin: 0 auto;
  border-left: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  transform: rotate(45deg);
}

.events-slider__nav--next {
  right: 14px;
}

.events-slider__nav--next::after {
  content: "";
  display: block;
  width: 10px;
  height: 10px;
  margin: 0 auto;
  border-right: 2px solid var(--gold);
  border-top: 2px solid var(--gold);
  transform: rotate(45deg);
}

/* CTA */
.section-cta {
  text-align: center;
  padding-bottom: 5rem;
}

.cta-text {
  color: var(--text-muted);
  margin: 0 0 1.5rem;
}

/* Footer */
.site-footer {
  padding: 3rem 0 4rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.social-row {
  display: flex;
  justify-content: center;
  gap: 1.75rem;
  margin-bottom: 1.25rem;
}

.social-link {
  color: var(--text-muted);
  transition: color 0.25s ease, transform 0.25s ease;
}

.social-link:hover {
  color: var(--gold-bright);
  transform: translateY(-2px);
}

.footer-copy {
  text-align: center;
  font-size: 0.8rem;
  color: rgba(245, 240, 232, 0.35);
  margin: 0;
}

/* Back to top */
.back-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 900;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(8, 8, 8, 0.75);
  backdrop-filter: blur(10px);
  color: var(--gold);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.35s ease, border-color 0.25s ease;
}

.back-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top:hover {
  border-color: var(--gold-bright);
  color: var(--gold-bright);
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(28px);
}

.reveal.is-inview {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Responsive */
@media (max-width: 980px) {
  .nav {
    position: fixed;
    inset: 82px 14px auto;
    flex-direction: column;
    padding: 1.05rem;
    background: rgba(8, 8, 8, 0.95);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
  }

  body.nav-open .nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-toggle {
    display: flex;
  }

  .btn-header {
    display: none;
  }

  .nav__cta-mobile {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 0.35rem;
    padding: 0.7rem 1.35rem;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.04em;
    background: linear-gradient(135deg, var(--gold-bright), var(--bronze));
    color: #0a0a0a;
  }
}

@media (max-width: 1024px) {
  .about-card {
    grid-template-columns: 1fr;
  }

  .about-card__media img {
    aspect-ratio: 16 / 10;
  }

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

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .campus-card--top {
    grid-column: span 6;
  }

  .campus-card--bottom {
    grid-column: span 6;
  }

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

  .contact-card {
    grid-template-columns: 1fr;
  }

  .contact-card__media img {
    min-height: 300px;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 10px 10px;
    padding-top: max(10px, env(safe-area-inset-top, 0px));
    /* Sadece .header-inner’da blur vardı; padding şeridi şeffaf → video üstten görünüyordu */
    background: var(--bg);
  }

  .header-inner {
    max-width: calc(100vw - 20px);
    min-height: 64px;
    padding: 9px 10px;
  }

  .logo img {
    height: 30px;
  }

  .nav {
    inset: 78px 10px auto;
    width: auto;
  }

  .countdown__item {
    min-width: calc(50% - 0.75rem);
  }

  .events-slider__nav {
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
  }

  .events-slider__nav--prev {
    left: 8px;
  }

  .events-slider__nav--next {
    right: 8px;
  }

  .campus-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .campus-card--top,
  .campus-card--bottom {
    grid-column: span 1;
    aspect-ratio: 16 / 10;
  }

  .contact-form input,
  .contact-form select,
  .contact-form textarea,
  .sponsor-form input,
  .sponsor-form select,
  .sponsor-form textarea {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 3.7rem 0;
  }

  .countdown {
    gap: 0.6rem;
  }

  .countdown__item {
    min-width: calc(50% - 0.6rem);
    padding: 1.1rem 1rem;
  }

  .contact-card,
  .sponsor-form-card,
  .about-card {
    padding: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .class-card,
  .team-member,
  .class-card__img img,
  .team-member__photo img {
    transition: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}