/* YTLite marketing site — shared styles */

:root {
  --ink: #0c0d0f;
  --ink-elevated: #16181c;
  --paper: #f4f1ec;
  --muted: #8a8680;
  --accent: #ff6a00;
  --accent-deep: #c45500;
  --line: rgba(244, 241, 236, 0.12);
  --font-display: "Syne", "Avenir Next", "Segoe UI", sans-serif;
  --font-body: "DM Sans", "Helvetica Neue", sans-serif;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
  --max: 68rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--paper);
  background: var(--ink);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: #ff8a33;
}

/* —— Site chrome —— */

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem var(--pad);
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--paper);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.brand-mark img {
  width: 2rem;
  height: 2rem;
  border-radius: 0.45rem;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.35rem;
  font-size: 0.92rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--paper);
}

/* —— Landing hero —— */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 6.5rem var(--pad) 3.5rem;
  overflow: hidden;
}

.hero-atmosphere {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 55% at 70% 15%, rgba(255, 106, 0, 0.28), transparent 55%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(40, 90, 120, 0.35), transparent 60%),
    linear-gradient(165deg, #12141a 0%, var(--ink) 45%, #08090b 100%);
}

.hero-atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.45'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
  animation: grain-shift 8s steps(8) infinite;
}

.hero-orb {
  position: absolute;
  width: min(52vw, 28rem);
  height: min(52vw, 28rem);
  right: -4%;
  top: 12%;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #ff8a33, var(--accent) 40%, transparent 70%);
  filter: blur(2px);
  opacity: 0.55;
  animation: orb-drift 14s ease-in-out infinite alternate;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
}

.hero-brand {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.4rem, 12vw, 7.5rem);
  line-height: 0.92;
  letter-spacing: -0.045em;
  animation: rise-in 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hero-tag {
  margin: 0 0 1.75rem;
  max-width: 22rem;
  font-size: clamp(1.05rem, 2.4vw, 1.25rem);
  color: var(--muted);
  animation: rise-in 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.12s both;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  animation: rise-in 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.22s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.85rem 1.35rem;
  border-radius: 0.35rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

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

.btn-primary {
  background: var(--accent);
  color: #140800;
}

.btn-primary:hover {
  background: #ff7f1f;
  color: #140800;
}

.btn-ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: rgba(244, 241, 236, 0.35);
  color: var(--paper);
}

/* —— Sections —— */

.section {
  padding: 4.5rem var(--pad);
  max-width: var(--max);
  margin: 0 auto;
}

.section-label {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}

.section h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.section p.lead {
  margin: 0 0 2rem;
  max-width: 36rem;
  color: var(--muted);
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .feature-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

.feature-list li {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.feature-list h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.feature-list p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.shot-frame {
  margin-top: 1rem;
  border-radius: 1rem;
  border: 1px solid var(--line);
  background:
    linear-gradient(145deg, rgba(255, 106, 0, 0.08), transparent 40%),
    var(--ink-elevated);
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 0.95rem;
}

/* —— Legal / support pages —— */

.page-shell {
  padding: 5.5rem var(--pad) 4rem;
  max-width: 44rem;
  margin: 0 auto;
}

.page-shell h1 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 2.75rem);
  letter-spacing: -0.035em;
}

.page-meta {
  margin: 0 0 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.page-shell h2 {
  margin: 2rem 0 0.65rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.page-shell p,
.page-shell li {
  color: rgba(244, 241, 236, 0.82);
}

.page-shell ul {
  padding-left: 1.2rem;
}

.lang-block {
  margin: 2.5rem 0 0;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.lang-block h2:first-child {
  margin-top: 0;
}

.faq details {
  border-top: 1px solid var(--line);
  padding: 1rem 0;
}

.faq details:last-child {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  float: right;
  color: var(--accent);
  font-weight: 700;
}

.faq details[open] summary::after {
  content: "–";
}

.faq details p {
  margin: 0.75rem 0 0;
  color: var(--muted);
}

/* —— Footer —— */

.site-footer {
  padding: 2.5rem var(--pad) 3rem;
  border-top: 1px solid var(--line);
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  align-items: baseline;
  color: var(--muted);
  font-size: 0.88rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.25rem;
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--paper);
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(1.25rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes orb-drift {
  from {
    transform: translate(0, 0) scale(1);
  }
  to {
    transform: translate(-6%, 8%) scale(1.08);
  }
}

@keyframes grain-shift {
  0%,
  100% {
    transform: translate(0, 0);
  }
  25% {
    transform: translate(-1%, 1%);
  }
  50% {
    transform: translate(1%, -1%);
  }
  75% {
    transform: translate(-0.5%, -0.5%);
  }
}

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