:root {
  --bg: #080d2a;
  --bg-soft: #0f1a46;
  --card: rgba(9, 18, 55, 0.78);
  --text: #edf1ff;
  --muted: #b8c3f4;
  --accent: #f5d27b;
  --accent-strong: #ffc246;
  --stroke: rgba(255, 255, 255, 0.14);
  --container: min(1120px, 92vw);
  --header-height: 78px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
  background: radial-gradient(circle at 20% 15%, #233f9a 0%, transparent 36%),
    radial-gradient(circle at 80% 5%, #6f4e19 0%, transparent 26%),
    radial-gradient(circle at 80% 90%, #1b2f72 0%, transparent 26%), var(--bg);
  line-height: 1.6;
}

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

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

.container {
  width: var(--container);
  margin-inline: auto;
}

.section {
  padding: 96px 0;
}

h1,
h2,
h3 {
  margin: 0 0 12px;
  line-height: 1.15;
}

h1,
h2 {
  font-family: "Bebas Neue", sans-serif;
  letter-spacing: 1px;
}

h1 {
  font-size: clamp(3.2rem, 8vw, 6rem);
}

h2 {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
}

p {
  margin: 0 0 12px;
  color: var(--muted);
}

.section-tag {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.25s ease, background 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(130deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #1c204a;
}

.btn-outline {
  border-color: rgba(255, 255, 255, 0.5);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
  background: rgba(7, 11, 30, 0.72);
  border-bottom: 1px solid var(--stroke);
}

.nav-wrap {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, #ffe6a6 0%, #c6962b 100%);
  color: #28293b;
  font-size: 0.88rem;
}

.site-nav {
  display: flex;
  gap: 20px;
  font-weight: 500;
  font-size: 0.95rem;
}

.site-nav a {
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--accent);
  transition: transform 0.25s ease;
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.mobile-toggle {
  display: none;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 6px;
}

.mobile-toggle span {
  width: 23px;
  height: 2px;
  background: var(--text);
  display: block;
  margin: 4px 0;
}

.hero {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  overflow: hidden;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(6px);
  pointer-events: none;
}

.hero::before {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 217, 128, 0.4), transparent 70%);
  top: 8%;
  right: -40px;
  animation: float-glow 7s ease-in-out infinite;
}

.hero::after {
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(51, 128, 255, 0.35), transparent 72%);
  left: -120px;
  bottom: -120px;
  animation: float-glow 9s ease-in-out infinite reverse;
}

@keyframes float-glow {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-16px);
  }
}

.hero-slider {
  position: relative;
  min-height: inherit;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.65s ease;
  background-image: linear-gradient(
      115deg,
      rgba(4, 7, 21, 0.95) 20%,
      rgba(7, 13, 39, 0.65) 48%,
      rgba(20, 14, 40, 0.78) 100%
    ),
    radial-gradient(circle at 10% 10%, rgba(34, 76, 192, 0.5), transparent 28%),
    url("assets/slider-images/dijital-pazarlama-background.png");
  background-size: auto, auto, cover;
  background-position: center, center, center;
  background-repeat: no-repeat, no-repeat, no-repeat;
}

.slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.slide--poster {
  background-size: auto, auto, cover;
  background-position: center, center, right center;
}

.slide--poster .slide-content {
  display: grid;
  grid-template-columns: minmax(0, 58%) minmax(0, 42%);
}

.slide--poster .slide-content > * {
  grid-column: 1;
  max-width: 640px;
}

.hero .hero-title--poster {
  font-size: clamp(2.7rem, 5.8vw, 4.7rem);
  line-height: 0.94;
  letter-spacing: 0.8px;
  margin-bottom: 14px;
}

.slide-overlay {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.2) 1px, transparent 1px);
  background-size: 4px 4px;
  opacity: 0.08;
}

.slide-content {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding-top: 36px;
  padding-bottom: 84px;
}

.slide-content > * {
  max-width: 760px;
}

.eyebrow {
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-partnership {
  display: inline-block;
  width: fit-content;
  max-width: 100%;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid rgba(245, 210, 123, 0.75);
}

.hero-org {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hero-org-logo {
  width: 108px;
  height: 108px;
  border-radius: 999px;
  object-fit: cover;
}

.hero-org-text {
  display: grid;
  gap: 4px;
  line-height: 1.05;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.4);
}

.hero-org-text span:first-child {
  color: #f7f8ff;
  font-weight: 500;
  font-size: clamp(1.25rem, 2vw, 2rem);
}

.hero-org-text span:last-child {
  color: #f7f8ff;
  font-size: clamp(1.05rem, 2vw, 2.2rem);
  font-weight: 600;
  white-space: nowrap;
}

.slide-subtitle {
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
}

.quick-facts {
  list-style: none;
  padding: 0;
  margin: 8px 0 24px;
  display: grid;
  gap: 8px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-collab-badge {
  position: absolute;
  top: 22px;
  right: max(20px, 4vw);
  z-index: 8;
  display: grid;
  justify-items: center;
  gap: 0;
  pointer-events: none;
}

.hero-collab-badge-logo-shell {
  padding: 4px 7px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(12, 22, 54, 0.12);
  backdrop-filter: blur(4px) brightness(1.12) saturate(110%);
  -webkit-backdrop-filter: blur(4px) brightness(1.12) saturate(110%);
}

.hero-collab-badge-logo {
  width: clamp(72px, 8.5vw, 112px);
  height: auto;
  display: block;
}

.hero-collab-badge-text {
  margin: 4px 0 0;
  font-family: "Great Vibes", cursive;
  font-size: clamp(1.1rem, 1.9vw, 1.6rem);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1;
  color: #ffffff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
}

.slider-controls {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 26px;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.slider-btn {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: rgba(7, 11, 28, 0.45);
  color: #fff;
  cursor: pointer;
}

.dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  border: 0;
  padding: 0;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.45);
}

.dot.active {
  width: 27px;
  background: var(--accent-strong);
}

.about-grid,
.ticket-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 30px;
  align-items: start;
}

.about-card {
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: 20px;
  padding: 24px;
}

.about-card ul {
  margin: 0;
  padding-left: 18px;
}

.speaker-poster-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.speaker-poster {
  margin: 0;
  border-radius: 18px;
  overflow: hidden;
  border: 2px solid #d7a84a;
  background: transparent;
}

.speaker-poster img {
  width: 100%;
  height: auto;
  display: block;
}

.program .schedule {
  margin-top: 26px;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--stroke);
}

.schedule-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 18px;
  padding: 18px 22px;
  background: rgba(12, 19, 52, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.schedule-row:last-child {
  border-bottom: 0;
}

.time {
  font-weight: 700;
  color: var(--accent);
}

.schedule-row h3 {
  margin-bottom: 2px;
}

.schedule-row p {
  margin: 0;
}

.sponsor-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.sponsor-pill {
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 10px 14px;
  text-align: center;
  background: rgba(12, 21, 62, 0.8);
}

.it-sponsor {
  margin-top: 30px;
  background: linear-gradient(140deg, rgba(30, 44, 101, 0.82), rgba(112, 79, 22, 0.75));
  border: 1px solid rgba(255, 210, 122, 0.45);
  border-radius: 20px;
  padding: 24px;
}

.it-sponsor-logo {
  display: block;
  max-width: 220px;
  width: 100%;
  height: auto;
  padding: 10px 14px;
  border-radius: 12px;
  border: 0;
  background: transparent;
  margin: 2px 0 14px;
}

.ticket-form {
  display: grid;
  gap: 14px;
  padding: 24px;
  border-radius: 18px;
  background: rgba(9, 17, 49, 0.86);
  border: 1px solid var(--stroke);
}

.ticket-form label {
  display: grid;
  gap: 8px;
  font-size: 0.92rem;
}

.ticket-form input {
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(6, 11, 33, 0.95);
  color: #fff;
  padding: 0 12px;
  font-family: inherit;
}

.ticket-form input:focus {
  outline: 2px solid rgba(255, 207, 115, 0.55);
  border-color: transparent;
}

.site-footer {
  border-top: 1px solid var(--stroke);
  background: rgba(5, 9, 24, 0.8);
}

.footer-wrap {
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: none;
}

@media (max-width: 1000px) {
  .speaker-poster-grid {
    grid-template-columns: repeat(3, minmax(0, 220px));
    justify-content: center;
  }
}

@media (max-width: 840px) {
  .site-nav {
    position: absolute;
    top: var(--header-height);
    right: 12px;
    width: min(280px, 90vw);
    background: rgba(8, 13, 36, 0.97);
    border: 1px solid var(--stroke);
    border-radius: 14px;
    padding: 12px;
    display: none;
    flex-direction: column;
    gap: 8px;
  }

  .site-nav.is-open {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

  .about-grid,
  .ticket-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .section {
    padding: 74px 0;
  }

  .slide-content {
    padding-top: 24px;
    padding-bottom: 110px;
  }

  .speaker-poster-grid {
    grid-template-columns: repeat(2, minmax(0, 220px));
    justify-content: center;
  }

  .sponsor-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .schedule-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .hero-org-logo {
    width: 78px;
    height: 78px;
  }

  .hero-org-text span:first-child {
    font-size: 1rem;
  }

  .hero-org-text span:last-child {
    font-size: 1rem;
  }

  .hero-collab-badge {
    top: 16px;
    right: 16px;
  }

  .hero-collab-badge-logo {
    width: 86px;
  }

  .hero-collab-badge-text {
    font-size: 0.9rem;
  }
}

@media (max-width: 500px) {
  .brand-text {
    display: none;
  }

  .speaker-poster-grid {
    grid-template-columns: minmax(0, 240px);
    justify-content: center;
  }

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

  .slide--poster {
    background-size: auto, auto, cover;
    background-position: center, center, right center;
  }

  .slide--poster .slide-content {
    grid-template-columns: 1fr;
  }

  .slide--poster .slide-content > * {
    max-width: 100%;
  }

  .hero-collab-badge {
    top: 14px;
    right: 12px;
  }

  .hero-collab-badge-logo {
    width: 76px;
  }

  .hero-collab-badge-text {
    font-size: 0.85rem;
  }

}