/* Unfold tanıtım sayfaları (TR /pomodoro-zamanlayici/, EN /visual-pomodoro-timer/): uygulamanın gece paleti. */
:root {
  --bg: #17151a;
  --bg-2: #201d22;
  --fg: #fbf7f0;
  --fg-dim: rgba(251, 247, 240, 0.74);
  --line: rgba(251, 247, 240, 0.16);
  --amber: #f0b46a;
  --focus: #ffd38a;
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Manrope', system-ui, sans-serif;
  color-scheme: dark;
}
* {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 400 17px/1.65 var(--sans);
}
a {
  color: var(--amber);
  text-underline-offset: 3px;
}
a:hover {
  color: var(--fg);
}
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 6px;
}
.wrap {
  max-width: 1160px;
  margin: 0 auto;
  padding-inline: 24px;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 22px;
  padding-bottom: 22px;
}
.mark {
  font: 600 26px/1 var(--serif);
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.lang {
  font-size: 14px;
  font-weight: 600;
  color: var(--fg-dim);
  text-decoration: none;
  padding: 6px 10px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 56px;
  align-items: center;
  padding-top: 40px;
  padding-bottom: 88px;
}
h1 {
  font: 500 clamp(40px, 5.2vw, 64px) / 1.05 var(--serif);
  letter-spacing: -0.02em;
  margin: 0 0 22px;
  text-wrap: balance;
}
.lead {
  font-size: 19px;
  color: var(--fg-dim);
  margin: 0 0 32px;
  max-width: 34em;
}
.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 26px;
  border-radius: 999px;
  font: 600 16px/1 var(--sans);
  text-decoration: none;
  transition: background 0.18s, color 0.18s, transform 0.18s;
}
.btn-main {
  background: var(--fg);
  color: #1f1c19;
}
.btn-main:hover {
  background: #fff;
  color: #1f1c19;
  transform: translateY(-1px);
}
.btn-alt {
  color: var(--fg);
  border: 1px solid rgba(251, 247, 240, 0.36);
}
.btn-alt:hover {
  color: var(--fg);
  background: rgba(251, 247, 240, 0.08);
}
.btn svg {
  width: 18px;
  height: 18px;
  flex: none;
}
.fine {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--fg-dim);
}
.shot {
  margin: 0;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55), 0 0 0 1px var(--line);
  background: #0e0d10;
}
.shot img {
  display: block;
  width: 100%;
  height: auto;
}

section {
  padding-top: 72px;
  padding-bottom: 72px;
  border-top: 1px solid var(--line);
}
h2 {
  font: 500 clamp(30px, 3.4vw, 42px) / 1.15 var(--serif);
  letter-spacing: -0.015em;
  margin: 0 0 14px;
}
.intro {
  color: var(--fg-dim);
  max-width: 40em;
  margin: 0 0 40px;
}

.themes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 36px 22px;
}
.themes img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 14px;
  background: var(--bg-2);
}
.themes h3 {
  font: 600 19px/1.3 var(--serif);
  margin: 14px 0 4px;
}
.themes p {
  margin: 0;
  font-size: 15px;
  line-height: 1.55;
  color: var(--fg-dim);
}

.how {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: 56px;
}
.how p {
  margin: 0 0 18px;
  max-width: 38em;
}
.how p:last-child {
  margin-bottom: 0;
}

.faq details {
  border-bottom: 1px solid var(--line);
  max-width: 820px;
}
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 36px 20px 0;
  position: relative;
  font-weight: 600;
  font-size: 18px;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::after {
  content: '+';
  position: absolute;
  right: 4px;
  top: 16px;
  font: 400 26px/1 var(--sans);
  color: var(--fg-dim);
  transition: transform 0.2s;
}
.faq details[open] summary::after {
  transform: rotate(45deg);
}
.faq summary:hover {
  color: var(--amber);
}
.faq details p {
  margin: 0 0 22px;
  color: var(--fg-dim);
  max-width: 44em;
}

.end {
  text-align: center;
  padding-top: 88px;
  padding-bottom: 88px;
}
.end .cta {
  justify-content: center;
}
.end h2 {
  margin-bottom: 28px;
}

footer {
  border-top: 1px solid var(--line);
  padding-top: 28px;
  padding-bottom: 40px;
  font-size: 14px;
  color: var(--fg-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  justify-content: space-between;
}
footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

@media (max-width: 900px) {
  .hero,
  .how {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
  }
  .hero {
    padding-top: 16px;
    padding-bottom: 64px;
  }
  .themes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 16px;
  }
}
@media (max-width: 480px) {
  .wrap {
    padding-inline: 18px;
  }
  body {
    font-size: 16px;
  }
  .lead {
    font-size: 17px;
  }
  .btn {
    width: 100%;
    justify-content: center;
  }
  section {
    padding-top: 56px;
    padding-bottom: 56px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .btn,
  .faq summary::after {
    transition: none;
  }
}