* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #111014;
  color: #fff;
}

.hero {
  min-height: 86vh;
  background: url("images/hero.jpg") center/cover no-repeat;
  position: relative;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: 0 0 34px 34px;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,.35), #111014 92%);
}

.topbar {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: 700;
}

.topbar a {
  color: #fff;
  text-decoration: none;
  background: rgba(255,255,255,.14);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 14px;
  backdrop-filter: blur(12px);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-bottom: 45px;
}

.tag {
  display: inline-block;
  background: rgba(255, 143, 170, .18);
  color: #ff9caf;
  padding: 9px 15px;
  border-radius: 999px;
  margin-bottom: 18px;
  font-size: 14px;
}

.hero h1 {
  font-size: 42px;
  line-height: 1.05;
  max-width: 520px;
  margin-bottom: 16px;
}

.hero p {
  color: #e5e5e5;
  line-height: 1.7;
  max-width: 460px;
  margin-bottom: 28px;
}

.main-btn {
  display: inline-block;
  width: 100%;
  text-align: center;
  background: linear-gradient(135deg, #ff7f9c, #ffb3c1);
  color: white;
  text-decoration: none;
  padding: 16px 24px;
  border-radius: 20px;
  font-weight: 700;
  box-shadow: 0 14px 35px rgba(255,127,156,.35);
}

main {
  padding: 22px;
}

.intro {
  margin: 28px 0 22px;
}

.intro h2 {
  font-size: 28px;
  margin-bottom: 8px;
}

.intro p {
  color: #aaa;
  line-height: 1.6;
}

/* Dikey video kart sistemi */
.video-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.video-card {
  background: #1a191f;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 18px 50px rgba(0,0,0,.22);
}

.video-card video {
  width: 100%;
  aspect-ratio: 9 / 16;
  height: auto;
  object-fit: cover;
  display: block;
  background: #000;
}

.video-info {
  padding: 13px 15px 15px;
}

.video-info span {
  color: #ff9caf;
  font-size: 12px;
  font-weight: 700;
}

.video-info h3 {
  margin-top: 5px;
  font-size: 16px;
}

.video-info p {
  margin-top: 5px;
  color: #999;
  font-size: 13px;
}

footer {
  text-align: center;
  padding: 35px 20px;
  color: #888;
}

/* Mobilde tatlı dikey kart görünümü */
@media (max-width: 767px) {
  .hero {
    min-height: 78vh;
  }

  .hero h1 {
    font-size: 38px;
  }

  main {
    padding: 18px;
  }

  .video-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .video-card {
    border-radius: 26px;
  }
}

/* Masaüstünde 3 dikey kart */
@media (min-width: 768px) {
  .main-btn {
    width: auto;
  }

  .video-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }

  .hero h1 {
    font-size: 58px;
  }

  main {
    padding: 40px;
  }
}.lock-screen {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, #111014, #25151d);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.lock-box {
  width: 100%;
  max-width: 360px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 28px;
  padding: 30px 24px;
  text-align: center;
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
}

.lock-icon {
  font-size: 42px;
  margin-bottom: 14px;
}

.lock-box h2 {
  font-size: 28px;
  margin-bottom: 8px;
}

.lock-box p {
  color: #bbb;
  font-size: 14px;
  margin-bottom: 22px;
}

.lock-box input {
  width: 100%;
  padding: 15px 16px;
  border-radius: 16px;
  border: none;
  outline: none;
  margin-bottom: 14px;
  font-size: 16px;
}

.lock-box button {
  width: 100%;
  padding: 15px;
  border: none;
  border-radius: 16px;
  background: linear-gradient(135deg, #ff7f9c, #ffb3c1);
  color: white;
  font-weight: 700;
  font-size: 16px;
}

#errorText {
  display: block;
  margin-top: 14px;
  color: #ff9caf;
  font-size: 14px;
}