/* =========================================================
   Obsidian Echo — Marketing site styles
   Palette + type roles pulled from Project/ObsidianEcho
   (Patina/Palette.swift: enum Seam / Wash / Letterform)
   ========================================================= */

:root {
  /* --- Color tokens (Seam/Wash) --- */
  --void-900: #150318;
  --void-800: #2A0726;
  --basalt-900: #1C0B1B;
  --basalt-700: #33132C;
  --basalt-500: #4E1E3D;
  --basalt-300: #6B2B4C;
  --magma-700: #B81C22;
  --magma-600: #E23517;
  --magma-500: #FF5A18;
  --ember-400: #FF8A2B;
  --ember-300: #FFB24C;
  --ember-200: #FFD98A;
  --crimson-500: #C8153F;
  --orchid-400: #8C2E78;
  --verdant-400: #46C083;
  --lagoon-400: #27D3C0;

  --ink-0: #FFF3E6;
  --ink-1: rgba(255, 243, 230, .78);
  --ink-2: rgba(243, 210, 196, .55);
  --ink-3: rgba(232, 192, 180, .30);

  /* --- Gradients (Sweep) --- */
  --sweep-sky: linear-gradient(180deg, var(--void-900) 0%, var(--void-800) 38%, color-mix(in srgb, var(--crimson-500) 55%, transparent) 72%, color-mix(in srgb, var(--magma-600) 35%, transparent) 100%);
  --sweep-magma: linear-gradient(135deg, var(--ember-300), var(--magma-500) 55%, var(--magma-700));
  --sweep-panel: linear-gradient(160deg, color-mix(in srgb, var(--basalt-700) 94%, transparent), color-mix(in srgb, var(--basalt-900) 88%, transparent));
  --sweep-rune: linear-gradient(90deg, var(--ember-200), var(--ember-400));
  --sweep-verdant: linear-gradient(135deg, var(--lagoon-400), var(--verdant-400));

  /* --- Radii (Bevel) --- */
  --r1: 7px;
  --r2: 13px;
  --r3: 21px;
  --r4: 30px;
  --r5: 44px;

  /* --- Spacing (Margin) --- */
  --edge: 19px;
  --gap: 9px;
  --stack: 15px;
  --band: 23px;

  /* --- Type (Letterform) --- */
  --font-carved: 'Cinzel', Georgia, serif;
  --font-plate: 'Nunito', -apple-system, sans-serif;
  --font-figure: 'JetBrains Mono', ui-monospace, monospace;

  color-scheme: dark;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--void-900);
  color: var(--ink-0);
  font-family: var(--font-plate);
  font-weight: 600;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

::selection { background: var(--magma-500); color: var(--void-900); }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: var(--font-carved);
  margin: 0;
  font-weight: 700;
  letter-spacing: .01em;
}

.eyebrow {
  font-family: var(--font-figure);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ember-300);
  display: inline-block;
  margin-bottom: var(--stack);
}

.section-title {
  font-size: clamp(28px, 4.5vw, 44px);
  background: var(--sweep-rune);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: var(--gap);
}

.section-lede {
  color: var(--ink-1);
  font-weight: 600;
  max-width: 620px;
  font-size: 17px;
}

section { position: relative; padding: 96px 0; }

/* Focus visibility for keyboard users */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--ember-200);
  outline-offset: 3px;
  border-radius: var(--r1);
}

/* =========================================================
   Buttons / App Store badge
   ========================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: var(--r3);
  font-family: var(--font-plate);
  font-weight: 800;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease;
}

.btn-primary {
  background: var(--sweep-magma);
  color: var(--void-900);
  box-shadow: 0 10px 30px -8px color-mix(in srgb, var(--magma-500) 70%, transparent);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -6px color-mix(in srgb, var(--magma-500) 80%, transparent); }

.btn-ghost {
  background: transparent;
  color: var(--ink-0);
  border: 1px solid var(--basalt-300);
}

.btn-ghost:hover { border-color: var(--ember-300); color: var(--ember-200); }

/* App Store badge — no live link yet, shown as an honest "coming soon" state */
.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 22px;
  border-radius: var(--r3);
  background: var(--sweep-panel);
  border: 1px solid var(--basalt-300);
  color: var(--ink-1);
  cursor: default;
  user-select: none;
}

.store-badge svg { flex: none; opacity: .8; }

.store-badge .store-badge-text { text-align: left; }

.store-badge .store-badge-text small {
  display: block;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-2);
  font-weight: 700;
}

.store-badge .store-badge-text strong {
  display: block;
  font-family: var(--font-carved);
  font-size: 17px;
  color: var(--ink-0);
}

/* =========================================================
   Nav
   ========================================================= */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  background: color-mix(in srgb, var(--void-900) 78%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid color-mix(in srgb, var(--basalt-300) 40%, transparent);
}

.nav .container { display: flex; align-items: center; justify-content: space-between; }

.nav-brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-carved); font-size: 17px; letter-spacing: .06em; }

.nav-brand img { width: 30px; height: 30px; border-radius: var(--r1); }

.nav-links { display: flex; align-items: center; gap: 28px; }

.nav-links a {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-1);
  transition: color .2s ease;
}

.nav-links a:hover { color: var(--ember-200); }

.nav-cta { display: none; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--ink-0);
  cursor: pointer;
  padding: 6px;
}

.nav-toggle svg { width: 24px; height: 24px; }

@media (max-width: 760px) {
  .nav-links {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    background: var(--basalt-900);
    border-bottom: 1px solid var(--basalt-300);
    padding: 12px var(--edge) 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
  }
  .nav-links.is-open { max-height: 320px; }
  .nav-links a { padding: 10px 0; width: 100%; }
  .nav-toggle { display: inline-flex; }
}

/* =========================================================
   Hero
   ========================================================= */

.hero {
  position: relative;
  padding: 168px 0 120px;
  background: var(--sweep-sky);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 70%;
  background: radial-gradient(60% 60% at 50% 30%, color-mix(in srgb, var(--magma-500) 45%, transparent), transparent 70%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
}

.hero-icon {
  width: 84px; height: 84px;
  border-radius: var(--r3);
  box-shadow: 0 18px 40px -12px color-mix(in srgb, var(--magma-600) 70%, transparent), 0 0 0 1px color-mix(in srgb, var(--ember-300) 40%, transparent);
  margin-bottom: var(--band);
}

.hero h1 {
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1.04;
  background: var(--sweep-magma);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 2px 0 color-mix(in srgb, var(--basalt-900) 60%, transparent);
}

.hero-tagline {
  font-family: var(--font-carved);
  font-size: 19px;
  font-weight: 600;
  color: var(--ember-200);
  margin-top: var(--stack);
}

.hero-copy {
  color: var(--ink-1);
  font-size: 17px;
  margin-top: var(--gap);
  max-width: 480px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 34px;
}

.hero-note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--ink-2);
}

/* --- Phone mockup: animated caldera scene, no real screenshots exist --- */
.phone-wrap { display: flex; justify-content: center; position: relative; }

.phone {
  width: min(300px, 78vw);
  aspect-ratio: 9 / 19.5;
  border-radius: 46px;
  background: var(--basalt-900);
  border: 2px solid color-mix(in srgb, var(--basalt-300) 60%, transparent);
  padding: 12px;
  box-shadow: 0 40px 80px -20px rgba(0,0,0,.7), 0 0 60px -10px color-mix(in srgb, var(--magma-500) 45%, transparent);
}

.phone-screen {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 34px;
  overflow: hidden;
  background: linear-gradient(180deg, var(--void-900), var(--void-800) 45%, var(--crimson-500) 85%, var(--magma-600));
}

.phone-hud {
  position: absolute;
  top: 18px; left: 18px; right: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-figure);
  font-size: 10px;
  color: var(--ink-1);
  letter-spacing: .05em;
  z-index: 4;
}

.phone-hud .isle { text-transform: uppercase; font-weight: 700; color: var(--ember-200); }

.phone-mountain {
  position: absolute;
  left: 50%;
  bottom: 22%;
  width: 78%;
  height: 46%;
  transform: translateX(-50%);
  background: linear-gradient(180deg, var(--basalt-700), var(--basalt-900));
  clip-path: polygon(50% 0%, 78% 55%, 92% 100%, 8% 100%, 22% 55%);
}

.phone-mountain::after {
  content: '';
  position: absolute;
  left: 50%; top: 8%;
  width: 3px; height: 70%;
  transform: translateX(-50%);
  background: linear-gradient(180deg, var(--ember-200), var(--magma-500));
  box-shadow: 0 0 16px 3px color-mix(in srgb, var(--ember-300) 80%, transparent);
  animation: crack-pulse 2.6s ease-in-out infinite;
}

.phone-glimmer {
  position: absolute;
  left: 38%; bottom: 18%;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--ember-200);
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--ember-200) 25%, transparent), 0 0 20px 6px color-mix(in srgb, var(--ember-300) 70%, transparent);
  animation: glimmer-pulse 2.2s ease-in-out infinite;
  z-index: 3;
}

.phone-embers { position: absolute; inset: 0; z-index: 2; }

.ember-particle {
  position: absolute;
  bottom: -6px;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--ember-300);
  box-shadow: 0 0 6px 2px color-mix(in srgb, var(--ember-400) 80%, transparent);
  animation: ember-rise linear infinite;
  opacity: 0;
}

.phone-caption {
  position: absolute;
  left: 18px; right: 18px; bottom: 16px;
  z-index: 4;
  font-family: var(--font-plate);
  font-size: 11px;
  font-weight: 700;
  color: var(--ink-1);
  background: color-mix(in srgb, var(--basalt-900) 70%, transparent);
  border: 1px solid color-mix(in srgb, var(--basalt-300) 60%, transparent);
  border-radius: var(--r2);
  padding: 8px 10px;
  backdrop-filter: blur(6px);
}

@keyframes crack-pulse {
  0%, 100% { opacity: .55; }
  50% { opacity: 1; }
}

@keyframes glimmer-pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 6px color-mix(in srgb, var(--ember-200) 25%, transparent), 0 0 20px 6px color-mix(in srgb, var(--ember-300) 70%, transparent); }
  50% { transform: scale(1.35); box-shadow: 0 0 0 9px color-mix(in srgb, var(--ember-200) 18%, transparent), 0 0 28px 10px color-mix(in srgb, var(--ember-300) 90%, transparent); }
}

@keyframes ember-rise {
  0% { transform: translateY(0) translateX(0); opacity: 0; }
  10% { opacity: .9; }
  100% { transform: translateY(-320px) translateX(var(--drift, 12px)); opacity: 0; }
}

/* Ambient embers scattered across the hero background */
.hero-embers { position: absolute; inset: 0; z-index: 1; pointer-events: none; }

/* =========================================================
   How it works
   ========================================================= */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--band);
  margin-top: 48px;
}

.step-card {
  background: var(--sweep-panel);
  border: 1px solid color-mix(in srgb, var(--basalt-300) 55%, transparent);
  border-radius: var(--r4);
  padding: 26px 22px;
}

.step-num {
  font-family: var(--font-figure);
  font-size: 13px;
  font-weight: 700;
  color: var(--void-900);
  background: var(--sweep-rune);
  width: 30px; height: 30px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}

.step-card h3 { font-size: 18px; color: var(--ink-0); margin-bottom: 8px; }
.step-card p { font-size: 14.5px; color: var(--ink-1); margin: 0; }

/* =========================================================
   Features
   ========================================================= */

.features-section { background: linear-gradient(180deg, var(--void-900), var(--basalt-900)); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--band);
  margin-top: 48px;
}

.feature-card {
  padding: 28px 24px;
  border-radius: var(--r4);
  background: var(--sweep-panel);
  border: 1px solid color-mix(in srgb, var(--basalt-300) 45%, transparent);
  transition: transform .25s ease, border-color .25s ease;
}

.feature-card:hover { transform: translateY(-4px); border-color: var(--ember-400); }

.feature-icon {
  width: 46px; height: 46px;
  border-radius: var(--r2);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  background: color-mix(in srgb, var(--magma-500) 18%, transparent);
  margin-bottom: 16px;
}

.feature-card h3 { font-size: 18px; margin-bottom: 8px; color: var(--ink-0); }
.feature-card p { font-size: 14.5px; color: var(--ink-1); margin: 0; }

/* =========================================================
   Stones / rarity showcase
   ========================================================= */

.rarity-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--band);
  margin-top: 52px;
}

.rarity-card { text-align: center; }

.gem {
  width: 88px; height: 96px;
  margin: 0 auto 16px;
  clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
  position: relative;
  overflow: hidden;
  box-shadow: 0 14px 30px -10px rgba(0,0,0,.6);
}

.gem::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 20%, rgba(255,255,255,.45) 45%, transparent 60%);
  transform: translateX(-120%);
  animation: gem-shimmer 4.5s ease-in-out infinite;
}

.gem.common { background: linear-gradient(160deg, var(--basalt-300), var(--basalt-700)); }
.gem.uncommon { background: linear-gradient(160deg, var(--verdant-400), var(--basalt-700)); }
.gem.rare { background: linear-gradient(160deg, var(--lagoon-400), var(--basalt-700)); }
.gem.storied { background: linear-gradient(160deg, var(--ember-200), var(--ember-400)); }
.gem.mythic { background: linear-gradient(160deg, var(--ember-200), var(--magma-500) 55%, var(--crimson-500)); }

@keyframes gem-shimmer {
  0% { transform: translateX(-120%); }
  40%, 100% { transform: translateX(140%); }
}

.rarity-card h4 {
  font-family: var(--font-carved);
  font-size: 15px;
  margin: 0 0 4px;
  color: var(--ink-0);
}

.rarity-card span {
  font-family: var(--font-figure);
  font-size: 11px;
  color: var(--ink-2);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.stones-caption {
  margin-top: 34px;
  text-align: center;
  color: var(--ink-2);
  font-size: 14.5px;
}

.quote-line {
  margin: 40px auto 0;
  max-width: 560px;
  text-align: center;
  font-family: var(--font-carved);
  font-size: 18px;
  color: var(--ember-200);
}

/* =========================================================
   Contact
   ========================================================= */

.contact-section { background: linear-gradient(180deg, var(--basalt-900), var(--void-800)); }

.contact-grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 56px;
  margin-top: 40px;
  align-items: start;
}

.contact-info p { color: var(--ink-1); font-size: 15.5px; }

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-family: var(--font-figure);
  font-weight: 700;
  color: var(--ember-200);
  border-bottom: 1px dashed color-mix(in srgb, var(--ember-300) 60%, transparent);
  padding-bottom: 2px;
}

.contact-form {
  background: var(--sweep-panel);
  border: 1px solid color-mix(in srgb, var(--basalt-300) 55%, transparent);
  border-radius: var(--r4);
  padding: 30px;
  display: grid;
  gap: 16px;
}

.field { display: grid; gap: 6px; }

.field label {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.field input,
.field textarea {
  background: color-mix(in srgb, var(--void-900) 55%, transparent);
  border: 1px solid var(--basalt-300);
  border-radius: var(--r2);
  padding: 12px 14px;
  color: var(--ink-0);
  font-family: var(--font-plate);
  font-size: 14.5px;
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder { color: var(--ink-3); }

.field input:focus,
.field textarea:focus { border-color: var(--ember-300); outline: none; }

.form-status {
  font-size: 14px;
  font-weight: 700;
  color: var(--verdant-400);
  min-height: 20px;
}

.form-note { font-size: 12px; color: var(--ink-3); margin-top: -6px; }

/* =========================================================
   Final CTA
   ========================================================= */

.final-cta {
  text-align: center;
  background: var(--sweep-sky);
}

.final-cta img { width: 92px; margin: 0 auto 24px; border-radius: var(--r3); box-shadow: 0 18px 40px -12px color-mix(in srgb, var(--magma-600) 70%, transparent); }

.final-cta .section-title { margin: 0 auto 12px; }

.final-cta .section-lede { margin: 0 auto 32px; text-align: center; }

.final-cta .hero-actions { justify-content: center; }

/* =========================================================
   Footer
   ========================================================= */

footer {
  background: var(--void-900);
  border-top: 1px solid color-mix(in srgb, var(--basalt-300) 40%, transparent);
  padding: 40px 0;
}

footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 13.5px;
  color: var(--ink-2);
}

.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }

.footer-links a { color: var(--ink-1); font-weight: 700; }
.footer-links a:hover { color: var(--ember-200); }

/* =========================================================
   Scroll reveal
   ========================================================= */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* =========================================================
   Privacy / prose page
   ========================================================= */

.prose-page { padding: 150px 0 100px; }

.prose {
  max-width: 720px;
  margin: 0 auto;
  background: var(--sweep-panel);
  border: 1px solid color-mix(in srgb, var(--basalt-300) 50%, transparent);
  border-radius: var(--r4);
  padding: 44px clamp(22px, 5vw, 52px);
}

.prose h1 {
  font-size: clamp(28px, 4vw, 38px);
  background: var(--sweep-rune);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 8px;
}

.prose .updated { color: var(--ink-2); font-size: 13.5px; margin-bottom: 32px; }

.prose h2 {
  font-size: 19px;
  color: var(--ember-200);
  margin-top: 34px;
  margin-bottom: 10px;
}

.prose p, .prose li { color: var(--ink-1); font-size: 15.5px; }

.prose ul { padding-left: 20px; margin: 10px 0; }

.prose a { color: var(--ember-300); border-bottom: 1px dashed color-mix(in srgb, var(--ember-300) 55%, transparent); }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  font-weight: 700;
  color: var(--ink-1);
  font-size: 14px;
}

.back-link:hover { color: var(--ember-200); }

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width: 980px) {
  .hero .container { grid-template-columns: 1fr; }
  .phone-wrap { order: -1; margin-bottom: 12px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .rarity-row { grid-template-columns: repeat(3, 1fr); row-gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  section { padding: 72px 0; }
  .hero { padding-top: 140px; }
  .steps { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .rarity-row { grid-template-columns: repeat(2, 1fr); }
  .hero-actions { flex-direction: column; align-items: flex-start; }
}

/* =========================================================
   Reduced motion
   ========================================================= */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}