/* ==========================================================================
   PERA — styles.css
   --------------------------------------------------------------------------
   Marka kimliği PERA logosundan türetilmiştir: derin bordo zemin, şampanya
   altını vurgular, yüksek kontrastlı serif başlıklar, yıldız motifi.

   1.  Tasarım değişkenleri (renk/font/ölçü — siteyi buradan yeniden renklendirin)
   2.  Temel ayarlar
   3.  Yerleşim yardımcıları
   4.  Başlık çubuğu & üç noktalı menü
   5.  Butonlar
   6.  Giriş (hero)
   7.  Kişiler (founder & co-founders)
   8.  Etkinlikler
   9.  İletişim
   10. Başvuru kartı
   11. Alt bilgi
   12. Taslak rozeti & JavaScript uyarısı

   Önce mobil: temel kurallar küçük ekranlar içindir, min-width sorguları
   büyük ekranlarda üstüne ekler.
   ========================================================================== */

/* 1. Tasarım değişkenleri --------------------------------------------------- */
:root {
  --c-bg: #2f0a14;
  --c-bg-deep: #24070f;
  --c-surface: #3d0e1c;
  --c-ink: #f3e7d3;
  --c-muted: #cdb3a3;
  --c-gold: #c9a876;
  --c-gold-soft: #e7d3b2;
  --c-gold-deep: #a8823f;
  --c-line: rgba(201, 168, 118, 0.28);
  --grad-gold: linear-gradient(135deg, #e2c79c, #b08d5a);

  --font-serif: "Cormorant Garamond", "Didot", "Bodoni 72", Georgia, serif;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  --fs-body: clamp(1rem, 0.95rem + 0.3vw, 1.0625rem);
  --fs-h1: clamp(2.6rem, 1.8rem + 4vw, 4.4rem);
  --fs-h2: clamp(1.9rem, 1.5rem + 1.6vw, 2.6rem);
  --fs-h3: 1.35rem;

  --container: 1080px;
  --radius: 10px;
  --radius-sm: 4px;
  --shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
  --header-h: 4.5rem;
  --drawer-w: min(78vw, 320px);
}

/* 2. Temel ayarlar ---------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
  /* Kaydırma çubuğu yerini sabit tutar: menü açılınca (body overflow: hidden)
     sayfa yana kaymaz. */
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--c-ink);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

h1,
h2,
h3,
p,
figure {
  margin: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: 0.02em;
}

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 3px solid var(--c-gold);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}

/* 3. Yerleşim yardımcıları --------------------------------------------------- */
.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.container.narrow {
  max-width: 720px;
}

.section {
  padding: 4.5rem 0;
}

.page-head {
  padding-top: 3.5rem;
}

.page-head h1 {
  font-size: var(--fs-h2);
  color: var(--c-gold-soft);
}

.section h2 {
  font-size: var(--fs-h2);
  color: var(--c-gold-soft);
}

.section-intro {
  color: var(--c-muted);
  max-width: 620px;
  margin-bottom: 2.25rem;
}

.center {
  text-align: center;
}

.center .section-intro {
  margin-inline: auto;
}

.prose p {
  margin-bottom: 1rem;
}

.divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  margin: 1.1rem auto 1.9rem;
  color: var(--c-gold);
}

.divider-wide {
  margin: 3rem auto 2.4rem;
}

.divider-line {
  display: block;
  width: 64px;
  height: 1px;
  background: var(--c-line);
}

.divider-star {
  font-size: 0.85rem;
  line-height: 1;
  transform: translateY(-1px);
}

.empty-note {
  color: var(--c-muted);
  text-align: center;
  padding: 2rem 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3.5rem;
  background: var(--c-gold);
  color: var(--c-bg-deep);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  z-index: 100;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 1rem;
}

/* 4. Başlık çubuğu & üç noktalı menü ------------------------------------------ */
/* Çekmecenin (60) ve karartmanın (55) üstünde durur ki menü düğmesi hep tıklanabilsin. */
.site-header {
  position: sticky;
  top: 0;
  z-index: 70;
  background: rgba(36, 7, 15, 0.82);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--c-gold-soft);
}

.brand img {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
}

/* Üç nokta — her ekran boyutunda görünür. */
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  background: none;
  border: 0;
  padding: 0.6rem 0.9rem;
  cursor: pointer;
}

.nav-toggle-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-gold-soft);
  transition: transform 0.3s ease, width 0.3s ease, border-radius 0.3s ease,
    opacity 0.2s ease;
}

/* Açılınca üst ve alt nokta uzayıp ✕ olur, ortadaki söner.
   Noktalar 6px, aralar 7px → merkezler 3 / 16 / 29 px; 13px kaydırınca buluşurlar. */
.nav-open .nav-toggle-dot:nth-child(1) {
  width: 26px;
  border-radius: 1px;
  transform: translateY(13px) rotate(45deg) scaleY(0.3);
}

.nav-open .nav-toggle-dot:nth-child(2) {
  opacity: 0;
  transform: scale(0.4);
}

.nav-open .nav-toggle-dot:nth-child(3) {
  width: 26px;
  border-radius: 1px;
  transform: translateY(-13px) rotate(-45deg) scaleY(0.3);
}

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 55;
  background: rgba(0, 0, 0, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.nav-open .nav-overlay {
  opacity: 1;
  pointer-events: auto;
}

/* Çekmece: sağ kenarda park eder, sola doğru kayarak açılır. */
.site-nav {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 60;
  height: 100vh;
  height: 100dvh;
  width: var(--drawer-w);
  padding: calc(var(--header-h) + 1.5rem) 0 2rem;
  overflow-y: auto;
  background: var(--c-bg-deep);
  border-left: 1px solid var(--c-line);
  box-shadow: -24px 0 60px rgba(0, 0, 0, 0.45);
  transform: translateX(100%);
  visibility: hidden;
  transition: transform 0.3s ease, visibility 0s linear 0.3s;
}

.nav-open .site-nav {
  transform: translateX(0);
  visibility: visible;
  transition: transform 0.3s ease;
}

.site-nav ul {
  display: flex;
  flex-direction: column;
}

.site-nav a {
  display: block;
  padding: 1rem 2rem;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--c-ink);
  border-bottom: 1px solid rgba(201, 168, 118, 0.12);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.site-nav li:first-child a {
  border-top: 1px solid rgba(201, 168, 118, 0.12);
}

.site-nav a:hover {
  color: var(--c-gold);
  padding-left: 2.4rem;
}

/* Bulunduğunuz sayfa menüde altın renkte işaretlenir. */
.site-nav a[aria-current="page"] {
  color: var(--c-gold);
  background: rgba(201, 168, 118, 0.07);
  box-shadow: inset 3px 0 0 var(--c-gold);
}

/* 5. Butonlar ---------------------------------------------------------------- */
.btn {
  display: inline-block;
  /* Dar ekranlarda daralır ki büyük harfli etiket alt satıra kaymasın. */
  padding: 0.9rem clamp(1.1rem, 5vw, 2.2rem);
  border-radius: var(--radius-sm);
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  text-align: center;
  transition: transform 0.15s, box-shadow 0.15s, filter 0.15s;
}

.btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--grad-gold);
  color: var(--c-bg-deep);
  box-shadow: 0 8px 26px rgba(201, 168, 118, 0.28);
}

.btn-ghost {
  border: 1px solid var(--c-gold);
  color: var(--c-gold-soft);
}

.btn-ghost:hover {
  background: rgba(201, 168, 118, 0.1);
}

/* 6. Giriş (hero) ------------------------------------------------------------- */
.hero {
  position: relative;
  padding: 5.5rem 0 6rem;
  text-align: center;
  background: radial-gradient(
      ellipse at 50% -20%,
      rgba(201, 168, 118, 0.14),
      transparent 55%
    ),
    linear-gradient(175deg, var(--c-bg-deep), var(--c-bg) 60%);
  border-bottom: 1px solid var(--c-line);
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-ornament {
  color: var(--c-gold);
  margin-bottom: 1.4rem;
}

.hero-ornament svg {
  width: clamp(150px, 30vw, 220px);
  height: auto;
  display: block;
}

.eyebrow {
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--c-gold);
  margin-bottom: 1.1rem;
}

.hero h1 {
  font-size: var(--fs-h1);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: 0.18em;
  color: var(--c-gold-soft);
  margin-bottom: 1.2rem;
}

.lead {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 1.05rem + 0.7vw, 1.5rem);
  font-weight: 500;
  color: var(--c-ink);
  max-width: 36rem;
  margin-bottom: 2.2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

/* 7. Kişiler (founder & co-founders) -------------------------------------------- */
.person-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  max-width: 280px;
  text-align: center;
}

.person-photo {
  width: 148px;
  height: 148px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--c-gold);
  outline: 1px solid var(--c-line);
  outline-offset: 7px;
  box-shadow: var(--shadow);
  margin-bottom: 0.5rem;
}

.person-name {
  font-size: var(--fs-h3);
  color: var(--c-ink);
}

.person-role {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.person-bio {
  font-size: 0.95rem;
  color: var(--c-muted);
}

/* Founder: tek başına, ortada ve daha büyük. */
.founder-lead {
  display: flex;
  justify-content: center;
  margin-top: 1rem;
}

.person-lead {
  max-width: 420px;
}

.person-lead .person-photo {
  width: min(210px, 56vw);
  height: min(210px, 56vw);
  outline-offset: 10px;
}

.person-lead .person-name {
  font-size: clamp(1.6rem, 1.3rem + 1.2vw, 2.1rem);
  color: var(--c-gold-soft);
}

/* Ana sayfadaki ekip bölümü, komşu bölümlerden ince çizgiyle ayrılır. */
.founders-section {
  border-top: 1px solid var(--c-line);
  background: rgba(0, 0, 0, 0.12);
}

/* Co-founders: founder'ın altında yan yana. */
.people-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(230px, 100%), 1fr));
  gap: 2.4rem 1.5rem;
  justify-items: center;
}

/* 8. Etkinlikler -------------------------------------------------------------- */
.events-list {
  display: grid;
  gap: 2rem;
}

.event-card {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.event-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-bottom: 1px solid var(--c-line);
}

.event-body {
  padding: 1.6rem clamp(1.1rem, 4vw, 2rem) 1.9rem;
}

.event-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 0.9rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 0.7rem;
}

.badge {
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
  letter-spacing: 0.14em;
}

.badge-upcoming {
  background: var(--grad-gold);
  color: var(--c-bg-deep);
}

.badge-ongoing {
  border: 1px solid var(--c-gold);
  color: var(--c-gold-soft);
}

.badge-past {
  border: 1px solid var(--c-line);
  color: var(--c-muted);
}

.event-link {
  margin-top: 1.2rem;
}

.event-title {
  font-size: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  color: var(--c-gold-soft);
  margin-bottom: 0.6rem;
}

.event-summary {
  color: var(--c-muted);
  max-width: 60ch;
}

.event-program {
  margin-top: 1.4rem;
  border-top: 1px solid var(--c-line);
  padding-top: 1.1rem;
}

.event-program > summary {
  cursor: pointer;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--c-gold);
}

.schedule {
  display: grid;
  gap: 1.2rem;
  margin-top: 1.2rem;
  text-align: left;
}

.schedule-day {
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.2rem;
  background: rgba(201, 168, 118, 0.04);
}

.schedule-day h3 {
  color: var(--c-gold-soft);
  font-size: 1.3rem;
  margin-bottom: 0.1rem;
}

.schedule-date {
  display: block;
  color: var(--c-muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 0.9rem;
}

.schedule-items {
  display: grid;
  gap: 0.55rem;
}

.schedule-items li {
  display: flex;
  gap: 1rem;
}

.schedule-time {
  min-width: 3.6rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--c-gold);
}

@media (min-width: 820px) {
  .schedule {
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    align-items: start;
  }
}

/* 8b. Vizyon & Misyon ------------------------------------------------------------ */
.vision-blocks {
  display: grid;
  gap: 1.5rem;
  text-align: left;
}

.vision-card {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 1.8rem clamp(1.1rem, 4vw, 2rem);
  box-shadow: var(--shadow);
}

.vision-card h2 {
  font-size: clamp(1.5rem, 1.3rem + 1vw, 1.9rem);
  color: var(--c-gold-soft);
  margin-bottom: 0.9rem;
}

.vision-card p {
  color: var(--c-muted);
  margin-bottom: 0.85rem;
}

.vision-card p:last-child {
  margin-bottom: 0;
}

/* 9. İletişim ------------------------------------------------------------------ */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr));
  gap: 1rem;
  /* Tek kart kaldığında (örn. e-posta gizliyken) sayfa boyunca gerilmesin. */
  max-width: 520px;
  margin: 0 auto 2.4rem;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  height: 100%;
  padding: 1.8rem 1.2rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: rgba(201, 168, 118, 0.05);
  color: var(--c-ink);
  text-decoration: none;
  transition: background 0.2s ease, transform 0.15s ease;
}

.contact-card:hover {
  background: rgba(201, 168, 118, 0.12);
  transform: translateY(-2px);
}

.contact-card svg {
  color: var(--c-gold);
  margin-bottom: 0.5rem;
}

.contact-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.contact-value {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  overflow-wrap: anywhere;
}

.contact-cta {
  display: inline-block;
}

/* 10. Başvuru kartı ------------------------------------------------------------- */
.apply {
  background: linear-gradient(180deg, var(--c-bg), var(--c-bg-deep));
}

.apply-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  background: rgba(201, 168, 118, 0.06);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 2.6rem clamp(1rem, 4vw, 1.8rem);
  margin-top: 0.5rem;
}

.apply-card h3 {
  font-size: 1.6rem;
  color: var(--c-gold-soft);
}

.apply-card p {
  color: var(--c-muted);
  max-width: 30rem;
}

.apply-card .btn {
  margin-top: 0.8rem;
}

/* 11. Alt bilgi ------------------------------------------------------------------ */
.site-footer {
  background: var(--c-bg-deep);
  color: var(--c-muted);
  border-top: 1px solid var(--c-line);
  padding: 2.6rem 0 2.4rem;
}

.footer-grid {
  display: grid;
  gap: 1.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.footer-brand img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
}

.footer-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--c-gold-soft);
}

.footer-note {
  font-size: 0.85rem;
  color: var(--c-muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem 1.4rem;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--c-ink);
  font-weight: 500;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--c-gold);
  text-decoration: underline;
}

@media (min-width: 700px) {
  .footer-grid {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

/* 12. Taslak rozeti & JavaScript uyarısı ------------------------------------------ */
/* Yalnızca yöneticinin tarayıcısında, yayınlanmamış taslak varken görünür. */
.draft-badge {
  position: fixed;
  left: 50%;
  bottom: 1rem;
  transform: translateX(-50%);
  z-index: 90;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.4rem 0.9rem;
  width: max-content;
  max-width: calc(100% - 2rem);
  background: var(--c-surface);
  border: 1px solid var(--c-gold);
  border-radius: 999px;
  padding: 0.55rem 1.2rem;
  font-size: 0.82rem;
  color: var(--c-ink);
  box-shadow: var(--shadow);
}

.draft-badge a {
  color: var(--c-gold);
  font-weight: 600;
}

.noscript-note {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  background: var(--c-surface);
  color: var(--c-ink);
  border: 1px solid var(--c-gold);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow);
}