/* ============================================================
   VUF 2026 — Professional Design System
   ============================================================ */

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Inter', sans-serif; color: #1a1a2e; background: #fff; line-height: 1.65; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

/* ── Logo Images ── */
.nav-logo-img {
  height: 32px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  display: block;
}
.footer-logo-img {
  height: 32px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  margin-bottom: .85rem;
}
.panel-logo-img {
  height: 32px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  display: block;
}

/* ── Design Tokens ── */
:root {
  --navy:         #0a1628;
  --navy-mid:     #0f2744;
  --navy-light:   #1e3a5f;
  --accent:       #3b82f6;
  --accent-hover: #2563eb;
  --accent-light: #60a5fa;
  --accent-pale:  #dbeafe;
  --accent-faint: #eff6ff;
  --gold:         #f59e0b;
  --gold-light:   #fbbf24;
  --red:          #ef4444;
  --red-hover:    #dc2626;
  --white:        #ffffff;
  --off-white:    #f8fafc;
  --gray-50:      #f0f5ff;
  --gray-100:     #e0e9f8;
  --gray-300:     #93a8c8;
  --gray-500:     #5a7099;
  --gray-700:     #2e4370;
  --text:         #0f1f3d;
  --text-muted:   #4a6080;
  --border:       #c5d3e8;
  --shadow-sm:    0 2px 12px rgba(10,22,40,.08);
  --shadow-md:    0 8px 32px rgba(10,22,40,.12);
  --shadow-lg:    0 20px 64px rgba(10,22,40,.16);
  --shadow-xl:    0 32px 96px rgba(10,22,40,.2);
  --shadow-glow:  0 0 40px rgba(59,130,246,.3);
  --radius-sm:    10px;
  --radius:       16px;
  --radius-lg:    24px;
  --ease:         cubic-bezier(.25,.46,.45,.94);
  --dur:          .35s;
}

/* ── Typography Scale ── */
.t-tag   { font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.t-label { font-size: .82rem; font-weight: 600; letter-spacing: .04em; }
.t-body  { font-size: .95rem; line-height: 1.7; }
.t-lead  { font-size: 1.15rem; line-height: 1.65; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed; inset-inline: 0; top: 0; z-index: 900;
  padding: 1.1rem 0;
  transition: background var(--dur) var(--ease), padding var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.navbar.scrolled {
  background: rgba(11,31,58,.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: .65rem 0;
  box-shadow: 0 1px 0 rgba(255,255,255,.06), 0 4px 24px rgba(0,0,0,.3);
}
.nav-container {
  max-width: 1240px; margin: 0 auto; padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between;
}
/* Logo */
.nav-logo { display: flex; align-items: baseline; gap: 1px; }
.logo-text {
  font-size: 1.55rem; font-weight: 900; color: #fff;
  letter-spacing: -.04em; line-height: 1;
}
.logo-dot { color: var(--accent-light); font-size: 2rem; line-height: 0; margin-bottom: -.15rem; }
.logo-2026 {
  font-size: .8rem; font-weight: 700; color: var(--accent-light);
  letter-spacing: .06em; margin-left: 4px; align-self: flex-end; margin-bottom: 3px;
}
/* Links */
.nav-menu { display: flex; align-items: center; gap: .1rem; }
.nav-link {
  color: rgba(255,255,255,.80); padding: .42rem .82rem; border-radius: var(--radius-sm);
  font-size: .875rem; font-weight: 500; transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,.10); }
.nav-link.active { color: var(--accent-light); }
/* CTA button */
.nav-cta {
  display: inline-flex; align-items: center; gap: .45rem;
  background: var(--accent); color: #fff; padding: .48rem 1.25rem;
  border-radius: var(--radius-sm); font-size: .875rem; font-weight: 700;
  margin-left: .75rem; transition: background var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  letter-spacing: .01em;
}
.nav-cta:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(37,99,235,.45); }
/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.hamburger span { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease); }
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; text-align: center;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(ellipse 140% 100% at 50% 0%, #1e3a5f 0%, #0f2744 40%, #0a1628 100%);
}
/* Animated mesh grid - KALDIRILDI */
.hero-mesh {
  display: none;
}
/* Glowing orbs */
.hero-orb {
  position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none; z-index: 1;
  animation: orbFloat 15s ease-in-out infinite;
}
.hero-orb-1 { width: 520px; height: 520px; background: rgba(59,130,246,.5); top: -160px; right: -120px; animation-delay: 0s; }
.hero-orb-2 { width: 400px; height: 400px; background: rgba(96,165,250,.25); bottom: -100px; left: -80px; animation-delay: 5s; }
.hero-orb-3 { width: 300px; height: 300px; background: rgba(147,197,253,.15); top: 25%; left: 8%; animation-delay: 10s; }
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* Floating Logos Animation */
.hero-floating-logos {
  position: absolute; inset: 0; z-index: 1; overflow: hidden; pointer-events: none;
}
.floating-logo {
  position: absolute;
  width: 80px;
  height: 80px;
  opacity: .12;
  animation: floatLogo linear infinite;
  filter: blur(0.5px);
  border-radius: 50%;
  overflow: hidden;
}
.floating-logo img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.floating-logo-1 {
  top: 15%; left: 10%;
  width: 90px; height: 90px;
  animation-duration: 25s;
  animation-delay: 0s;
}
.floating-logo-2 {
  top: 25%; right: 15%;
  width: 75px; height: 75px;
  animation-duration: 30s;
  animation-delay: 5s;
}
.floating-logo-3 {
  top: 60%; left: 8%;
  width: 100px; height: 100px;
  animation-duration: 28s;
  animation-delay: 10s;
}
.floating-logo-4 {
  top: 70%; right: 12%;
  width: 70px; height: 70px;
  animation-duration: 32s;
  animation-delay: 15s;
}
.floating-logo-5 {
  top: 40%; left: 50%;
  width: 85px; height: 85px;
  animation-duration: 35s;
  animation-delay: 8s;
}
.floating-logo-6 {
  top: 85%; left: 25%;
  width: 80px; height: 80px;
  animation-duration: 27s;
  animation-delay: 12s;
}
.floating-logo-7 {
  top: 12%; right: 35%;
  width: 90px; height: 90px;
  animation-duration: 33s;
  animation-delay: 3s;
}
.floating-logo-8 {
  top: 55%; right: 5%;
  width: 75px; height: 75px;
  animation-duration: 29s;
  animation-delay: 18s;
}

@keyframes floatLogo {
  0% {
    transform: translate(0, 0) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: .08;
  }
  90% {
    opacity: .08;
  }
  100% {
    transform: translate(var(--tx), var(--ty)) rotate(var(--rot));
    opacity: 0;
  }
}

.floating-logo-1 { --tx: 200px; --ty: 150px; --rot: 15deg; }
.floating-logo-2 { --tx: -180px; --ty: 120px; --rot: -12deg; }
.floating-logo-3 { --tx: 220px; --ty: -100px; --rot: 18deg; }
.floating-logo-4 { --tx: -160px; --ty: -140px; --rot: -15deg; }
.floating-logo-5 { --tx: 150px; --ty: 180px; --rot: 10deg; }
.floating-logo-6 { --tx: -200px; --ty: -80px; --rot: -20deg; }
.floating-logo-7 { --tx: 100px; --ty: 200px; --rot: 12deg; }
.floating-logo-8 { --tx: -190px; --ty: 160px; --rot: -18deg; }

.hero-content { position: relative; z-index: 2; padding: 7rem 2rem 4rem; max-width: 860px; }
/* Eyebrow */
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  background: linear-gradient(135deg, rgba(59,130,246,.2), rgba(96,165,250,.15));
  border: 1px solid rgba(59,130,246,.5);
  color: var(--accent-light); padding: .42rem 1.2rem; border-radius: 100px;
  font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  margin-bottom: 1.75rem; animation: fadeUp .8s var(--ease) both;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(59,130,246,.15);
}
.hero-eyebrow i { font-size: .7rem; }
/* Main title */
.hero-title {
  font-size: clamp(2.8rem, 6.5vw, 5.2rem); font-weight: 900; color: #fff;
  line-height: 1.05; letter-spacing: -.03em; margin-bottom: 1.25rem;
  animation: fadeUp .8s .1s var(--ease) both;
  text-shadow: 0 4px 40px rgba(0,0,0,.3);
}
.hero-title .line-gold { color: var(--accent-light); display: block; }
.hero-title .line-thin { font-weight: 300; opacity: .8; font-size: .65em; display: block; letter-spacing: .02em; }
/* Sub */
.hero-sub {
  font-size: 1.1rem; color: rgba(255,255,255,.62); max-width: 540px; margin: 0 auto 2.5rem;
  animation: fadeUp .8s .18s var(--ease) both; line-height: 1.65;
}
/* Meta pills */
.hero-meta {
  display: flex; align-items: center; justify-content: center; gap: 1.25rem;
  flex-wrap: wrap; margin-bottom: 2.75rem;
  animation: fadeUp .8s .24s var(--ease) both;
}
.hero-meta-pill {
  display: flex; align-items: center; gap: .5rem;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18);
  color: rgba(255,255,255,.88); padding: .52rem 1.1rem; border-radius: 100px;
  font-size: .85rem; font-weight: 500; backdrop-filter: blur(12px);
  transition: all var(--dur) var(--ease);
}
.hero-meta-pill:hover {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.28);
  transform: translateY(-2px);
}
.hero-meta-pill i { color: var(--accent-light); font-size: .78rem; }
/* Countdown */
.hero-countdown {
  display: flex; align-items: center; justify-content: center; gap: .75rem; flex-wrap: wrap;
  margin-bottom: 3rem; animation: fadeUp .8s .30s var(--ease) both;
}
.cd-box {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.2);
  backdrop-filter: blur(16px); border-radius: var(--radius);
  padding: 1.1rem 1.5rem; min-width: 88px; text-align: center;
  position: relative; overflow: hidden;
  transition: all var(--dur) var(--ease);
}
.cd-box::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(59,130,246,.15) 0%, transparent 100%);
}
.cd-box:hover {
  transform: translateY(-4px);
  border-color: rgba(59,130,246,.4);
  box-shadow: 0 8px 32px rgba(59,130,246,.2);
}
.cd-box span { display: block; font-size: 2.2rem; font-weight: 900; color: #fff; line-height: 1; position: relative; }
.cd-box label { display: block; font-size: .65rem; color: rgba(255,255,255,.55); text-transform: uppercase; letter-spacing: .1em; margin-top: .35rem; font-weight: 600; position: relative; }
.cd-sep { font-size: 1.8rem; font-weight: 300; color: rgba(255,255,255,.25); margin-bottom: 1rem; }
/* Countdown */
.hero-countdown {
  display: flex; align-items: center; justify-content: center; gap: .75rem; flex-wrap: wrap;
  margin-bottom: 2.5rem; animation: fadeUp .8s .34s var(--ease) both;
}
/* Event Started Message */
.hero-event-started {
  display: flex; align-items: center; justify-content: center; gap: .6rem;
  background: rgba(16, 185, 129, .15); border: 1px solid rgba(16, 185, 129, .3);
  padding: 1rem 1.5rem; border-radius: var(--radius);
  margin-bottom: 2.5rem; animation: fadeUp .8s .34s var(--ease) both;
}
.hero-event-started i {
  color: #10b981; font-size: 1.2rem;
}
.hero-event-started span {
  color: #fff; font-size: 1rem; font-weight: 700;
}
/* Instagram Link */
.hero-instagram {
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 2.5rem; animation: fadeUp .8s .38s var(--ease) both;
}
.hero-instagram a {
  display: flex; align-items: center; gap: .5rem;
  background: linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045);
  padding: .85rem 1.75rem; border-radius: 100px;
  color: #fff; font-weight: 700; font-size: .95rem;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.hero-instagram a:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(253, 29, 29, .3);
}
.hero-instagram i {
  font-size: 1.1rem;
}
.cd-box {
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.15);
  backdrop-filter: blur(8px); border-radius: var(--radius);
  padding: 1rem 1.4rem; min-width: 84px; text-align: center;
  position: relative; overflow: hidden;
}
.cd-box::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(37,99,235,.10) 0%, transparent 100%);
}
.cd-box span { display: block; font-size: 2.1rem; font-weight: 900; color: #fff; line-height: 1; position: relative; letter-spacing: -.02em; }
.cd-box label { display: block; font-size: .65rem; color: rgba(255,255,255,.5); text-transform: uppercase; letter-spacing: .1em; margin-top: .35rem; font-weight: 600; position: relative; }
.cd-sep { font-size: 1.8rem; font-weight: 300; color: rgba(255,255,255,.25); margin-bottom: 1rem; }

/* Buttons */
.hero-actions {
  display: flex; align-items: center; justify-content: center; gap: 1rem; flex-wrap: wrap;
  animation: fadeUp .8s .42s var(--ease) both;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: .55rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #fff; padding: .95rem 2.4rem;
  border-radius: 100px; font-size: 1rem; font-weight: 700; letter-spacing: .01em;
  transition: all var(--dur) var(--ease);
  box-shadow: 0 8px 32px rgba(59,130,246,.4);
  position: relative; overflow: hidden;
}
.btn-primary::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--accent-hover), var(--accent));
  opacity: 0; transition: opacity var(--dur) var(--ease);
}
.btn-primary:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(59,130,246,.5);
}
.btn-primary:hover::before { opacity: 1; }
.btn-primary span, .btn-primary i { position: relative; z-index: 1; }
.btn-ghost {
  display: inline-flex; align-items: center; gap: .55rem;
  border: 1.5px solid rgba(255,255,255,.35); color: rgba(255,255,255,.9);
  padding: .9rem 2.1rem; border-radius: 100px; font-size: 1rem; font-weight: 600;
  transition: all var(--dur) var(--ease);
  backdrop-filter: blur(12px);
}
.btn-ghost:hover {
  border-color: rgba(255,255,255,.7);
  background: rgba(255,255,255,.12);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(255,255,255,.1);
}
/* Coming soon badge */
.hero-coming-soon {
  display: inline-flex; align-items: center; gap: .6rem;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.65); padding: .65rem 1.4rem; border-radius: 100px;
  font-size: .85rem; font-weight: 500; margin-bottom: 2.5rem;
  backdrop-filter: blur(6px); animation: fadeUp .8s .30s var(--ease) both;
}
.hero-coming-soon i { color: var(--accent-light); }

/* Etkinlik tarihi rozeti */
.hero-event-date {
  display: inline-flex; align-items: center; gap: .55rem;
  background: linear-gradient(135deg, rgba(255,255,255,.1), rgba(255,255,255,.05));
  border: 1px solid rgba(255,255,255,.25);
  color: rgba(255,255,255,.92); padding: .55rem 1.4rem; border-radius: 100px;
  font-size: .88rem; font-weight: 700; letter-spacing: .04em;
  margin-bottom: 1.5rem; backdrop-filter: blur(16px);
  animation: fadeUp .8s .28s var(--ease) both;
  box-shadow: 0 4px 20px rgba(0,0,0,.2);
}
.hero-event-date i { color: var(--accent-light); font-size: .85rem; }

/* Scroll indicator */
.hero-scroll {
  position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .35rem;
  color: rgba(255,255,255,.3); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase;
  font-weight: 600; cursor: pointer; z-index: 2; animation: scrollPulse 2.5s ease-in-out infinite;
}
.hero-scroll i { font-size: 1rem; }
@keyframes scrollPulse { 0%,100%{opacity:.3;transform:translateX(-50%) translateY(0)} 50%{opacity:.7;transform:translateX(-50%) translateY(6px)} }
@keyframes fadeUp { from{opacity:0;transform:translateY(22px)} to{opacity:1;transform:translateY(0)} }

/* ============================================================
   SECTION BASE
   ============================================================ */
.section   { padding: 6rem 0; }
.section-alt { background: var(--off-white); }
.section-dark  { background: var(--navy); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

/* Section header */
.sec-header { text-align: center; margin-bottom: 4rem; }
.sec-eyebrow {
  display: inline-flex; align-items: center; gap: .4rem;
  background: rgba(11,31,58,.07); border: 1px solid rgba(11,31,58,.14);
  color: var(--navy-light); padding: .3rem .9rem; border-radius: 100px;
  font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  margin-bottom: 1rem;
}
.sec-eyebrow.light { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.18); color: rgba(255,255,255,.65); }
.sec-header h2 {
  font-size: clamp(1.9rem, 4vw, 2.9rem); font-weight: 800; color: var(--text);
  letter-spacing: -.025em; line-height: 1.15; margin-bottom: 1rem;
}
.sec-header.light h2 { color: #fff; }
.sec-header p { color: var(--text-muted); max-width: 580px; margin: 0 auto; font-size: 1.05rem; line-height: 1.7; }
.sec-header.light p { color: rgba(255,255,255,.58); }
/* Decorative underline */
.sec-header h2 span.und {
  position: relative; display: inline;
}
.sec-header h2 span.und::after {
  content: ''; position: absolute; left: 0; bottom: -4px; width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 2px;
}

/* ============================================================
   HAKKIMIZDA
   ============================================================ */
.about-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center;
}
.about-text-col .sec-eyebrow { margin-bottom: 1rem; }
.about-text-col h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); font-weight: 800; color: var(--text); letter-spacing: -.025em; line-height: 1.2; margin-bottom: 1.25rem; }
.about-text-col h2 em { font-style: normal; color: var(--navy-light); }
.about-text-col p { color: var(--text-muted); font-size: 1rem; line-height: 1.75; margin-bottom: 1.75rem; }
.about-text-col .btn-navy {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--navy); color: #fff; padding: .8rem 1.9rem;
  border-radius: 100px; font-size: .9rem; font-weight: 700;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.about-text-col .btn-navy:hover { background: var(--navy-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* Stats side */
.about-stats-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.stat-tile {
  background: linear-gradient(145deg, #ffffff, #f8fafc);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 2.2rem 1.6rem; text-align: center;
  position: relative; overflow: hidden;
  transition: all var(--dur) var(--ease);
  opacity: 0; transform: translateY(24px);
  box-shadow: var(--shadow-sm);
}
.stat-tile.visible { opacity: 1; transform: translateY(0); transition: opacity .5s var(--ease), transform .5s var(--ease), box-shadow var(--dur) var(--ease); }
.stat-tile:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-light);
}
.stat-tile::before {
  content: ''; position: absolute; inset: 0; opacity: 0;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  transition: opacity var(--dur) var(--ease);
}
.stat-tile:hover::before { opacity: 1; }
.stat-tile .st-num {
  display: block; font-size: 3rem; font-weight: 900; line-height: 1;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: .4rem; position: relative; z-index: 1; transition: background var(--dur) var(--ease);
}
.stat-tile:hover .st-num { background: linear-gradient(135deg, var(--accent-light), #93c5fd); -webkit-background-clip: text; background-clip: text; }
.stat-tile .st-label { font-size: .82rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em; position: relative; z-index: 1; transition: color var(--dur) var(--ease); }
.stat-tile:hover .st-label { color: rgba(255,255,255,.75); }
/* Value props */
.value-props { display: flex; flex-direction: column; gap: 1rem; margin-top: 2rem; }
.vp-item {
  display: flex; gap: 1rem; align-items: flex-start;
  padding: 1.35rem; background: linear-gradient(145deg, var(--off-white), #f0f5ff);
  border-radius: var(--radius);
  border: 1px solid var(--border); transition: all var(--dur) var(--ease);
  opacity: 0; transform: translateX(-20px);
  box-shadow: var(--shadow-sm);
}
.vp-item.visible { opacity: 1; transform: translateX(0); transition: opacity .5s var(--ease), transform .5s var(--ease), box-shadow var(--dur) var(--ease); }
.vp-item:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-light);
}
.vp-icon {
  width: 48px; height: 48px; background: linear-gradient(135deg, var(--navy), var(--navy-light));
  border-radius: 12px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(10,22,40,.15);
}
.vp-icon i { color: var(--accent-light); font-size: 1.1rem; }
.vp-text h4 { font-size: .95rem; font-weight: 700; color: var(--text); margin-bottom: .2rem; }
.vp-text p  { font-size: .85rem; color: var(--text-muted); line-height: 1.6; }

/* ============================================================
   ETKİNLİK AKIŞI (Program)
   ============================================================ */
.program-wrapper { max-width: 760px; margin: 0 auto; }
.day-tabs { display: flex; justify-content: center; gap: .5rem; margin-bottom: 3rem; flex-wrap: wrap; }
.day-tab {
  padding: .6rem 1.6rem; border-radius: 100px;
  border: 1.5px solid rgba(255,255,255,.18); background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.6); font-size: .875rem; font-weight: 600; cursor: pointer;
  transition: all var(--dur) var(--ease); font-family: inherit;
}
.day-tab:hover { border-color: rgba(255,255,255,.4); color: rgba(255,255,255,.9); }
.day-tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }
/* Timeline */
.timeline { display: none; }
.timeline.active { display: block; }
.tl-item {
  display: flex; gap: 1.5rem; padding: 1.5rem 0;
  border-bottom: 1px solid rgba(255,255,255,.07); position: relative;
}
.tl-item:last-child { border-bottom: none; }
.tl-time-col { width: 58px; flex-shrink: 0; text-align: right; padding-top: 2px; }
.tl-time { font-size: .8rem; font-weight: 700; color: var(--accent-light); letter-spacing: .03em; }
.tl-dot-col { display: flex; flex-direction: column; align-items: center; flex-shrink: 0; padding-top: 4px; }
.tl-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.tl-line { width: 1px; flex: 1; background: rgba(255,255,255,.1); margin-top: 6px; }
.tl-item:last-child .tl-line { display: none; }
.tl-body { flex: 1; padding-bottom: 1rem; }
.tl-body strong { display: block; color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: .3rem; }
.tl-body p { color: rgba(255,255,255,.5); font-size: .875rem; line-height: 1.55; }

/* ============================================================
   KOMİSYONLAR
   ============================================================ */
.komisyon-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 1.25rem;
}
.komisyon-card {
  background: linear-gradient(145deg, #ffffff, #f8fafc);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 1.85rem 1.6rem; cursor: default; position: relative; overflow: hidden;
  transition: all var(--dur) var(--ease);
  opacity: 0; transform: translateY(22px);
  box-shadow: var(--shadow-sm);
}
.komisyon-card.visible { opacity: 1; transform: translateY(0); transition: opacity .5s var(--ease), transform .5s var(--ease), box-shadow var(--dur) var(--ease); }
.komisyon-card::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transform: scaleX(0); transform-origin: left; transition: transform var(--dur) var(--ease);
}
.komisyon-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-light);
}
.komisyon-card:hover::after { transform: scaleX(1); }
.k-icon-wrap {
  width: 54px; height: 54px; border-radius: 14px;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  display: flex; align-items: center; justify-content: center; margin-bottom: 1.2rem;
  box-shadow: 0 4px 16px rgba(10,22,40,.2);
  transition: transform var(--dur) var(--ease);
}
.komisyon-card:hover .k-icon-wrap { transform: scale(1.1); }
.k-icon-wrap i { color: var(--accent-light); font-size: 1.3rem; }
.komisyon-card h3 { font-size: .95rem; font-weight: 700; color: var(--text); margin-bottom: .4rem; }
.komisyon-card p  { font-size: .82rem; color: var(--text-muted); line-height: 1.6; }
.k-num { position: absolute; top: 1.25rem; right: 1.25rem; font-size: .7rem; font-weight: 800; color: var(--gray-100); }

/* ============================================================
   EKİBİMİZ
   ============================================================ */
.team-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1.5rem; }
.team-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 2rem 1.25rem 1.5rem; text-align: center;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  opacity: 0; transform: translateY(22px);
}
.team-card.visible { opacity: 1; transform: translateY(0); transition: opacity .5s var(--ease), transform .5s var(--ease), box-shadow var(--dur) var(--ease); }
.team-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.team-avatar-wrap { position: relative; width: 80px; height: 80px; margin: 0 auto 1.25rem; }
.team-avatar {
  width: 80px; height: 80px; border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; font-weight: 800; color: var(--accent-light); letter-spacing: -.02em;
}
.team-role-badge {
  position: absolute; bottom: -4px; right: -4px;
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--accent); border: 2px solid #fff;
  display: flex; align-items: center; justify-content: center;
}
.team-role-badge i { font-size: .65rem; color: #fff; }
.team-card h4 { font-size: .95rem; font-weight: 700; color: var(--text); margin-bottom: .25rem; }
.team-card .team-name { font-size: .8rem; color: var(--accent); font-weight: 600; margin-bottom: .4rem; }
.team-card p   { font-size: .8rem; color: var(--text-muted); line-height: 1.55; }

/* ============================================================
   SPONSORLAR
   ============================================================ */
.sponsor-section { background: var(--off-white); }
.sponsor-tier { margin-bottom: 3rem; }
.sponsor-tier:last-child { margin-bottom: 0; }
.sponsor-empty {
  display: flex; align-items: center; justify-content: center; gap: .65rem;
  min-height: 120px; margin: 0; padding: 2rem;
  color: var(--text-muted); background: #fff; border: 1px dashed var(--border);
  border-radius: var(--radius); font-weight: 600;
}
.sponsor-empty i { color: var(--accent); }
.tier-label {
  display: flex; align-items: center; gap: .75rem; justify-content: center;
  margin-bottom: 1.5rem;
}
.tier-label-line { flex: 1; max-width: 120px; height: 1px; background: var(--border); }
.tier-label span {
  font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; padding: .3rem .9rem;
  border-radius: 100px; border: 1px solid;
}
.tier-gold   span { color: #9a6f00; background: #fef5d6; border-color: #f0c955; }
.tier-silver span { color: #5a6a80; background: #f0f3f8; border-color: #b8c4d8; }
.tier-bronze span { color: #7a4f2e; background: #fdf0e6; border-color: #d4956a; }
.sponsor-logos { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.sponsor-logo-box {
  background: linear-gradient(145deg, #ffffff, #f8fafc);
  border: 1.5px solid var(--border); border-radius: var(--radius);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .35rem;
  color: var(--gray-300); font-weight: 700; letter-spacing: .04em;
  transition: all var(--dur) var(--ease);
  box-shadow: var(--shadow-sm);
}
.sponsor-logo-box:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(59,130,246,.2);
  transform: translateY(-4px);
  color: var(--navy);
}
.sponsor-logo-box i { font-size: 1.4rem; }
.sponsor-logo-box.lg { width: 220px; height: 110px; font-size: 1rem; }
.sponsor-logo-box.md { width: 170px; height:  88px; font-size: .9rem; }
.sponsor-logo-box.sm { width: 130px; height:  70px; font-size: .78rem; }
.sponsor-contact { text-align: center; margin-top: 3rem; padding: 2.5rem; background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--border); }
.sponsor-contact p { color: var(--text-muted); margin-bottom: 1.25rem; font-size: 1.05rem; }
.btn-outline-navy {
  display: inline-flex; align-items: center; gap: .5rem;
  border: 2px solid var(--navy); color: var(--navy); padding: .72rem 2rem;
  border-radius: 100px; font-weight: 700; font-size: .9rem;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn-outline-navy:hover { background: var(--navy); color: #fff; transform: translateY(-2px); }

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 50%, var(--accent) 100%);
  position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(59,130,246,.07) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(59,130,246,.07) 1px, transparent 1px);
  background-size: 44px 44px;
}
.cta-inner { position: relative; text-align: center; padding: 1rem; }
.cta-inner h2 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 900; color: #fff; letter-spacing: -.025em; margin-bottom: 1rem; }
.cta-inner h2 span { color: var(--accent-light); }
.cta-inner p { color: rgba(255,255,255,.65); max-width: 540px; margin: 0 auto 2.5rem; font-size: 1.05rem; line-height: 1.7; }
.cta-btns { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.btn-gold-solid {
  display: inline-flex; align-items: center; gap: .5rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #fff; padding: .95rem 2.4rem;
  border-radius: 100px; font-size: 1rem; font-weight: 700;
  transition: all var(--dur) var(--ease);
  box-shadow: 0 8px 32px rgba(59,130,246,.4);
  position: relative; overflow: hidden;
}
.btn-gold-solid::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--accent-hover), var(--accent));
  opacity: 0; transition: opacity var(--dur) var(--ease);
}
.btn-gold-solid:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(59,130,246,.5);
}
.btn-gold-solid:hover::before { opacity: 1; }
.btn-gold-solid span, .btn-gold-solid i { position: relative; z-index: 1; }
.btn-ghost-white {
  display: inline-flex; align-items: center; gap: .5rem;
  border: 1.5px solid rgba(255,255,255,.35); color: rgba(255,255,255,.9);
  padding: .88rem 2rem; border-radius: 100px; font-size: 1rem; font-weight: 600;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn-ghost-white:hover { border-color: rgba(255,255,255,.7); background: rgba(255,255,255,.08); transform: translateY(-2px); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: linear-gradient(180deg, #0a1628 0%, #050a12 100%);
  color: rgba(255,255,255,.55);
  padding: 4.5rem 0 0; border-top: 1px solid rgba(255,255,255,.08);
}
.footer-grid { display: grid; grid-template-columns: 2.2fr 1fr 1fr 1.2fr; gap: 2.5rem; margin-bottom: 3rem; }
.footer-brand .f-logo { font-size: 1.7rem; font-weight: 900; color: #fff; letter-spacing: -.03em; margin-bottom: .75rem; }
.footer-brand .f-logo span { color: var(--accent-light); }
.footer-brand p { font-size: .875rem; line-height: 1.7; max-width: 260px; }
.footer-brand .social-row { display: flex; gap: .6rem; margin-top: 1.5rem; }
.social-btn {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.55); font-size: .95rem;
  transition: all var(--dur) var(--ease);
}
.social-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 4px 16px rgba(59,130,246,.3);
}
.footer-col h5 { color: rgba(255,255,255,.88); font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 1.25rem; }
.footer-col ul li { margin-bottom: .65rem; }
.footer-col ul li a { font-size: .875rem; color: rgba(255,255,255,.48); transition: color var(--dur) var(--ease); display: inline-flex; align-items: center; gap: .4rem; }
.footer-col ul li a:hover { color: #fff; }
.footer-col ul li a i { font-size: .7rem; color: var(--accent-light); }
.footer-col ul li.meta { font-size: .875rem; display: flex; align-items: center; gap: .4rem; }
.footer-col ul li.meta i { color: var(--accent-light); font-size: .75rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.07); padding: 1.5rem 0;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .75rem;
}
.footer-bottom p { font-size: .8rem; }
.footer-links { display: flex; gap: 1.5rem; align-items: center; }
.footer-links a { font-size: .8rem; color: rgba(255,255,255,.35); transition: color var(--dur) var(--ease); }
.footer-links a:hover { color: rgba(255,255,255,.75); }

/* Personel Girişi butonu */
.personel-btn {
  background: none; border: none; cursor: pointer; font-family: inherit;
  font-size: .8rem; color: rgba(255,255,255,.28);
  display: inline-flex; align-items: center; gap: .35rem;
  transition: color var(--dur) var(--ease); padding: 0;
}
.personel-btn:hover { color: rgba(255,255,255,.65); }
.personel-btn i { font-size: .72rem; }

/* Personel modal animasyon */
@keyframes pmIn { from { opacity:0; transform: scale(.88) translateY(12px); } to { opacity:1; transform: scale(1) translateY(0); } }

/* ============================================================
   UTILITIES & ANIMATIONS
   ============================================================ */
.hidden { display: none !important; }
.fade-up { opacity: 0; transform: translateY(24px); }
.fade-up.visible { opacity: 1; transform: translateY(0); transition: opacity .6s var(--ease), transform .6s var(--ease); }

/* ── Başvuru Durumu Mesajı ── */
.hero-basvuru-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  margin-top: 1.5rem;
  backdrop-filter: blur(8px);
}
.hero-basvuru-status i {
  color: #ef4444;
  font-size: 1.1rem;
}

/* Stagger delays */
.stagger > *:nth-child(1)  { transition-delay: .05s; }
.stagger > *:nth-child(2)  { transition-delay: .10s; }
.stagger > *:nth-child(3)  { transition-delay: .15s; }
.stagger > *:nth-child(4)  { transition-delay: .20s; }
.stagger > *:nth-child(5)  { transition-delay: .25s; }
.stagger > *:nth-child(6)  { transition-delay: .30s; }
.stagger > *:nth-child(7)  { transition-delay: .35s; }
.stagger > *:nth-child(8)  { transition-delay: .40s; }
.stagger > *:nth-child(9)  { transition-delay: .45s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .about-layout { grid-template-columns: 1fr; gap: 3rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  #personnelOptions { grid-template-columns: 1fr !important; }
  .hamburger { display: flex; }
  .nav-menu {
    position: fixed; inset: 0; background: rgba(7,13,24,.97);
    backdrop-filter: blur(12px); flex-direction: column;
    align-items: center; justify-content: center; gap: .25rem;
    display: none;
  }
  .nav-menu.open { display: flex; }
  .nav-link { font-size: 1.1rem; padding: .65rem 1.5rem; }
  .nav-cta { font-size: 1rem; padding: .75rem 2rem; margin-left: 0; margin-top: .5rem; }
  .section { padding: 4rem 0; }
}
@media (max-width: 600px) {
  .container { padding: 0 1.25rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-countdown { gap: .5rem; }
  .cd-box { padding: .8rem 1rem; min-width: 70px; }
  .cd-box span { font-size: 1.7rem; }
  .hero-meta { gap: .6rem; }
  .about-stats-col { grid-template-columns: 1fr 1fr; }
}