/* Metrom — stage-dark / ember brand */
:root {
  --ink: #0a0a0c;
  --ink-elevated: #141418;
  --ink-line: #2a2a32;
  --ash: #8b8b96;
  --mist: #c8c8d0;
  --bone: #f2f0ea;
  --ember: #ff6a3d;
  --ember-soft: #ff8f66;
  --ember-deep: #e04520;
  --copper: #d4a574;
  --pulse: #ffc857;
  --bg-top: #121218;
  --bg-bottom: #08080a;
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "Figtree", system-ui, sans-serif;
  --max: 68rem;
  --policy-max: 42rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--mist);
  background: var(--ink);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--ember-soft);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.2s var(--ease);
}

a:hover {
  color: var(--pulse);
}

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

/* —— Shell —— */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: linear-gradient(to bottom, rgba(10, 10, 12, 0.92), transparent);
  transition: background 0.35s var(--ease), backdrop-filter 0.35s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(10, 10, 12, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ink-line);
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bone);
  text-decoration: none;
}

.wordmark:hover {
  color: var(--ember-soft);
}

.nav-links {
  display: flex;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ash);
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--bone);
}

.site-footer {
  padding: 3rem 1.5rem 2.5rem;
  border-top: 1px solid var(--ink-line);
  background: var(--bg-bottom);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
  justify-content: space-between;
  align-items: flex-start;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone);
  margin: 0 0 0.35rem;
}

.footer-note {
  margin: 0;
  font-size: 0.875rem;
  color: var(--ash);
  max-width: 22rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-nav a {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--mist);
  text-decoration: none;
}

.footer-nav a:hover {
  color: var(--ember-soft);
}

.footer-copy {
  width: 100%;
  margin: 1.5rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--ink-line);
  font-size: 0.8125rem;
  color: var(--ash);
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 6.5rem 1.5rem 3.5rem;
  overflow: hidden;
  background: linear-gradient(165deg, var(--bg-top) 0%, var(--ink) 45%, var(--bg-bottom) 100%);
}

.hero-plane {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  width: min(90vw, 52rem);
  height: min(90vw, 52rem);
  border-radius: 50%;
  top: 8%;
  left: 50%;
  translate: -50% -18%;
  background: radial-gradient(
    circle,
    rgba(255, 106, 61, 0.28) 0%,
    rgba(224, 69, 32, 0.12) 35%,
    transparent 68%
  );
  animation: glow-breathe 5.5s var(--ease) infinite alternate;
}

.hero-rings {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  margin-top: -8vh;
}

.ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 106, 61, 0.22);
  animation: ring-pulse 2.4s var(--ease) infinite;
}

.ring:nth-child(1) {
  width: min(42vw, 18rem);
  height: min(42vw, 18rem);
  animation-delay: 0s;
}

.ring:nth-child(2) {
  width: min(58vw, 26rem);
  height: min(58vw, 26rem);
  animation-delay: 0.45s;
  border-color: rgba(212, 165, 116, 0.18);
}

.ring:nth-child(3) {
  width: min(74vw, 34rem);
  height: min(74vw, 34rem);
  animation-delay: 0.9s;
  border-color: rgba(255, 200, 87, 0.12);
}

.beat-core {
  position: absolute;
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 50%;
  background: var(--ember);
  box-shadow: 0 0 28px 8px rgba(255, 106, 61, 0.45);
  animation: beat 0.75s ease-in-out infinite;
}

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

.brand-hero {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.5rem, 14vw, 7.5rem);
  line-height: 0.92;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--bone);
  animation: rise-in 0.9s var(--ease) both;
}

.hero-line {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 3.5vw, 2rem);
  letter-spacing: -0.02em;
  color: var(--ember-soft);
  animation: rise-in 0.9s 0.08s var(--ease) both;
}

.hero-support {
  margin: 0 0 2rem;
  max-width: 28rem;
  font-size: 1.0625rem;
  color: var(--ash);
  animation: rise-in 0.9s 0.16s var(--ease) both;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  animation: rise-in 0.9s 0.24s var(--ease) both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.7rem 1.35rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border-radius: 0.65rem;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease),
    color 0.2s var(--ease), transform 0.2s var(--ease);
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--ember);
  color: var(--ink);
}

.btn-primary:hover {
  background: var(--ember-soft);
  color: var(--ink);
}

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

.btn-ghost:hover {
  border-color: var(--ember);
  color: var(--ember-soft);
}

.btn[aria-disabled="true"] {
  opacity: 0.45;
  pointer-events: none;
}

/* —— Feature strip (below fold) —— */
.features {
  padding: 4.5rem 1.5rem 5rem;
  background:
    linear-gradient(180deg, transparent, rgba(255, 106, 61, 0.04)),
    var(--ink);
}

.features-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.section-kicker {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--copper);
}

.section-title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  letter-spacing: -0.02em;
  color: var(--bone);
}

.section-lede {
  margin: 0 0 2.5rem;
  max-width: 36rem;
  color: var(--ash);
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.75rem 2.5rem;
}

@media (min-width: 720px) {
  .feature-list {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-list h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--bone);
}

.feature-list p {
  margin: 0;
  font-size: 0.975rem;
  color: var(--ash);
}

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

/* —— Policy / support pages —— */
.page {
  padding: 6.5rem 1.5rem 4rem;
  min-height: 100svh;
  background: linear-gradient(180deg, var(--bg-top), var(--ink) 30%);
}

.page-inner {
  max-width: var(--policy-max);
  margin: 0 auto;
}

.page-inner.wide {
  max-width: var(--max);
}

.page-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 2.75rem);
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-meta {
  margin: 0 0 2.5rem;
  font-size: 0.875rem;
  color: var(--ash);
}

.prose h2 {
  margin: 2.25rem 0 0.65rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--bone);
}

.prose p,
.prose li {
  color: var(--mist);
}

.prose p {
  margin: 0 0 1rem;
}

.prose ul {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

.prose li {
  margin-bottom: 0.4rem;
}

.prose strong {
  color: var(--bone);
  font-weight: 650;
}

.notice {
  margin: 0 0 2rem;
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--copper);
  background: rgba(20, 20, 24, 0.8);
  font-size: 0.9rem;
  color: var(--ash);
}

.support-block {
  margin-top: 2rem;
  padding: 1.5rem 0 0;
  border-top: 1px solid var(--ink-line);
}

.support-block p {
  margin: 0 0 0.75rem;
}

.email-link {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--ember-soft);
}

.email-link:hover {
  color: var(--pulse);
}

/* —— Motion —— */
@keyframes glow-breathe {
  from {
    opacity: 0.7;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1.06);
  }
}

@keyframes ring-pulse {
  0% {
    opacity: 0.55;
    transform: scale(0.92);
  }
  70% {
    opacity: 0;
    transform: scale(1.08);
  }
  100% {
    opacity: 0;
    transform: scale(1.1);
  }
}

@keyframes beat {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  30% {
    transform: scale(1.55);
    opacity: 0.85;
  }
}

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

@media (max-width: 520px) {
  .nav-links {
    gap: 0.85rem;
  }

  .nav-links a {
    font-size: 0.8rem;
  }

  .hero {
    padding-bottom: 2.75rem;
  }
}