/* ============================================================
   Aether — design system
   Contemplative twilight. Night indigo + haze + horizon amber.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Fraunces:opsz,wght,SOFT@9..144,300..700,0..100&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* palette — a sky from zenith to horizon */
  --night:       #090C18;  /* deep indigo, just before true black */
  --night-soft:  #0E1322;
  --surface:     #131A2C;
  --surface-2:   #1B2338;
  --haze:        #E7E9F4;  /* pale luminous text, faint blue */
  --haze-muted:  #8C92AE;
  --haze-faint:  #474D68;
  --amber:       #F2A65A;  /* warm horizon glow — the accent */
  --amber-hi:    #FFC489;
  --bluehour:    #6E78C8;  /* blue-hour secondary, used sparingly */

  --rule:        rgba(231, 233, 244, 0.08);
  --rule-strong: rgba(231, 233, 244, 0.16);

  /* type */
  --font-display: 'Instrument Serif', 'Times New Roman', Georgia, serif;
  --font-body:    'Fraunces', Georgia, 'Times New Roman', serif;
  --font-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  --fs-display: clamp(3.25rem, 9vw, 7.5rem);
  --fs-h1:      clamp(2rem, 4.6vw, 3.25rem);
  --fs-h2:      clamp(1.5rem, 2.6vw, 2rem);
  --fs-h3:      1.25rem;
  --fs-body:    1.0625rem;
  --fs-small:   0.9375rem;
  --fs-label:   0.7rem;

  /* spacing */
  --s-1: 0.25rem; --s-2: 0.5rem;  --s-3: 0.75rem; --s-4: 1rem;
  --s-5: 1.5rem;  --s-6: 2rem;    --s-7: 2.5rem;  --s-8: 3rem;
  --s-10: 4.5rem; --s-12: 6rem;   --s-16: 9rem;

  /* layout */
  --content-width: 38rem;
  --wide-width:    66rem;

  color-scheme: dark;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img, svg, canvas { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
a { color: inherit; }

/* ---------- base ---------- */
html {
  background: var(--night);
  color: var(--haze);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  font-feature-settings: "ss01", "ss02";
  font-variation-settings: "opsz" 14, "SOFT" 30;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
  background:
    /* warm horizon glow low on the page */
    radial-gradient(120% 70% at 50% 118%, rgba(242, 166, 90, 0.16), transparent 55%),
    /* a cooler blue-hour band above it */
    radial-gradient(120% 55% at 50% 100%, rgba(110, 120, 200, 0.12), transparent 60%),
    /* zenith darkening */
    linear-gradient(180deg, #070A14 0%, var(--night) 42%, #0B1224 100%);
}

/* faint, slow star field across the whole night sky */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(1.2px 1.2px at 12% 18%, rgba(231,233,244,0.7), transparent 60%),
    radial-gradient(1px 1px at 28% 9%, rgba(231,233,244,0.5), transparent 60%),
    radial-gradient(1.4px 1.4px at 47% 24%, rgba(255,196,137,0.55), transparent 60%),
    radial-gradient(1px 1px at 63% 12%, rgba(231,233,244,0.55), transparent 60%),
    radial-gradient(1.1px 1.1px at 78% 22%, rgba(231,233,244,0.6), transparent 60%),
    radial-gradient(1px 1px at 88% 7%, rgba(231,233,244,0.45), transparent 60%),
    radial-gradient(1.3px 1.3px at 8% 38%, rgba(231,233,244,0.45), transparent 60%),
    radial-gradient(1px 1px at 35% 44%, rgba(231,233,244,0.4), transparent 60%),
    radial-gradient(1.2px 1.2px at 71% 40%, rgba(110,120,200,0.6), transparent 60%),
    radial-gradient(1px 1px at 92% 34%, rgba(231,233,244,0.4), transparent 60%);
  /* fade the stars out toward the horizon, like a real sky */
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 40%, transparent 78%);
  mask-image: linear-gradient(180deg, #000 0%, #000 40%, transparent 78%);
  animation: twinkle 9s ease-in-out infinite;
}
@keyframes twinkle { 0%, 100% { opacity: 0.85; } 50% { opacity: 0.55; } }

::selection { background: var(--amber); color: var(--night); }

/* ---------- typography ---------- */
.display {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 0.94;
  letter-spacing: -0.02em;
  font-size: var(--fs-display);
}
.display em {
  font-style: italic;
  color: var(--amber);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.06;
  letter-spacing: -0.015em;
  margin: 0 0 var(--s-4);
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); margin-top: var(--s-10); }
h3 {
  font-size: var(--fs-h3);
  font-family: var(--font-body);
  font-variation-settings: "opsz" 14, "wght" 600, "SOFT" 0;
  letter-spacing: -0.005em;
  margin-top: var(--s-6);
  margin-bottom: var(--s-2);
}

p {
  margin: 0 0 var(--s-4);
  max-width: 38rem;
  font-variation-settings: "opsz" 14, "wght" 380, "SOFT" 30;
}
p.lead {
  font-size: 1.25rem;
  color: var(--haze);
  font-variation-settings: "opsz" 18, "wght" 360, "SOFT" 50;
  max-width: 36rem;
}

ul, ol { padding-left: 1.25em; margin: 0 0 var(--s-5); }
li { margin-bottom: var(--s-2); }
li::marker { color: var(--amber); }

a {
  color: var(--haze);
  text-decoration: underline;
  text-decoration-color: var(--haze-faint);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: text-decoration-color 200ms ease, color 200ms ease;
}
a:hover {
  color: var(--amber);
  text-decoration-color: var(--amber);
}

code, kbd {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--surface);
  padding: 0.1em 0.35em;
  border-radius: 3px;
  color: var(--haze);
}

hr { border: 0; border-top: 1px solid var(--rule); margin: var(--s-10) 0; }

/* ---------- shared eyebrow / label ---------- */
.label {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--haze-muted);
  font-weight: 500;
}
.label-accent { color: var(--amber); }

/* ---------- layout ---------- */
.container {
  width: 100%;
  max-width: var(--wide-width);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}
.container-narrow {
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}
main { flex: 1 0 auto; }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(9, 12, 24, 0.72);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--rule);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--s-3);
}
.wordmark {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--haze);
}
.wordmark__orb {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--amber-hi), var(--amber) 55%, #b9692a);
  box-shadow: 0 0 10px rgba(242, 166, 90, 0.6);
  display: inline-block;
}
.wordmark:hover { color: var(--haze); }

.site-nav { display: flex; gap: var(--s-5); align-items: center; }
.site-nav a {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--haze-muted);
  font-weight: 500;
}
.site-nav a:hover { color: var(--haze); }
.site-nav a[aria-current="page"] {
  color: var(--haze);
  border-bottom: 1px solid var(--amber);
  padding-bottom: 2px;
}

/* ---------- hero ---------- */
.hero { padding-top: var(--s-12); padding-bottom: var(--s-10); position: relative; }
.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 860px) {
  .hero__grid { grid-template-columns: 1fr; }
}
.hero__head { max-width: 40rem; }
.hero__head .label {
  display: inline-flex;
  gap: 0.6em;
  align-items: center;
  margin-bottom: var(--s-5);
}
.hero__head .label::before {
  content: "";
  width: 1.6rem;
  height: 1px;
  background: var(--amber);
  display: inline-block;
}
.hero__sub { margin-top: var(--s-6); max-width: 34rem; }
.hero__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, max-content);
  gap: var(--s-6);
  margin-top: var(--s-7);
  padding-top: var(--s-5);
  border-top: 1px solid var(--rule-strong);
  max-width: max-content;
}
.hero__meta dt {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--haze-muted);
  margin-bottom: var(--s-1);
}
.hero__meta dd { margin: 0; font-family: var(--font-display); font-size: 1.5rem; }

/* hero visual — a painted sky panel standing in for a screenshot */
.skypanel {
  position: relative;
  aspect-ratio: 9 / 14;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--rule-strong);
  box-shadow:
    0 30px 80px -30px rgba(0, 0, 0, 0.8),
    0 0 60px -20px rgba(242, 166, 90, 0.25);
  background:
    /* sun low on the horizon */
    radial-gradient(closest-side at 68% 70%, rgba(255,210,150,0.95), rgba(242,166,90,0.5) 35%, transparent 70%),
    /* dusk sky gradient */
    linear-gradient(180deg,
      #16204a 0%,
      #2b3a73 26%,
      #6a5a93 52%,
      #c9794f 78%,
      #f0a85e 100%);
}
/* a couple of painted cloud forms, soft and volumetric */
.skypanel__cloud {
  position: absolute;
  border-radius: 50%;
  filter: blur(14px);
  background: radial-gradient(circle at 40% 35%, rgba(255,236,210,0.92), rgba(214,160,120,0.5) 55%, transparent 75%);
  mix-blend-mode: screen;
}
.skypanel__cloud--a { width: 62%; height: 26%; left: 8%;  top: 30%; }
.skypanel__cloud--b { width: 46%; height: 20%; right: 6%; top: 46%; opacity: 0.9; }
.skypanel__cloud--c { width: 70%; height: 22%; left: 4%;  top: 60%; opacity: 0.85;
  background: radial-gradient(circle at 50% 40%, rgba(255,200,150,0.85), rgba(180,90,60,0.4) 55%, transparent 78%); }
/* sea below the horizon */
.skypanel__sea {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 16%;
  background: linear-gradient(180deg, rgba(242,168,94,0.5), #2a2740 70%, #14132a);
}
.skypanel__caption {
  position: absolute;
  left: var(--s-4); bottom: var(--s-4);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(231,233,244,0.85);
  background: rgba(9,12,24,0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  padding: 0.35em 0.6em;
  border-radius: 6px;
}

/* Real device screenshots (captured on iPhone 6.9") --------------------- */
.shot {
  margin: 0;
  border-radius: 22px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--rule-strong);
  box-shadow:
    0 30px 80px -30px rgba(0, 0, 0, 0.8),
    0 0 60px -20px rgba(242, 166, 90, 0.18);
}
.shot img { display: block; width: 100%; height: auto; }
.shot--hero { max-width: 22rem; margin-inline: auto; }
.shot figcaption {
  padding: var(--s-3) var(--s-4);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--haze-muted);
  border-top: 1px solid var(--rule);
}
.shots-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-6);
  align-items: start;
}
@media (max-width: 860px) { .shots-strip { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) {
  .shots-strip { grid-template-columns: 1fr; max-width: 22rem; margin-inline: auto; }
}

.cta-row { display: flex; gap: var(--s-4); flex-wrap: wrap; margin-top: var(--s-6); align-items: center; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-3) var(--s-5);
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  font-weight: 500;
  border: 1px solid var(--rule-strong);
  color: var(--haze);
  border-radius: 999px;
  transition: all 200ms ease;
}
.btn:hover { border-color: var(--amber); color: var(--amber); }
.btn--primary {
  background: linear-gradient(180deg, var(--amber-hi), var(--amber));
  color: #2a1607;
  border-color: var(--amber);
}
.btn--primary:hover { filter: brightness(1.06); color: #2a1607; }

/* ---------- section heading ---------- */
.section { padding-block: var(--s-12); border-top: 1px solid var(--rule); }
.section__head {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: var(--s-6);
  align-items: baseline;
  margin-bottom: var(--s-8);
}
.section__num {
  font-family: var(--font-mono);
  color: var(--amber);
  font-size: var(--fs-label);
  letter-spacing: 0.18em;
}
.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  margin: 0;
  line-height: 1;
}

/* ---------- features grid ---------- */
.features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
}
@media (max-width: 720px) { .features { grid-template-columns: 1fr; } }
.feature {
  padding: var(--s-7) var(--s-6);
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  transition: background 240ms ease;
}
.feature:nth-child(2n) { border-right: 0; }
@media (max-width: 720px) { .feature { border-right: 0; } }
.feature:hover { background: linear-gradient(180deg, rgba(242,166,90,0.05), transparent); }
.feature__num {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.18em;
  color: var(--haze-muted);
  margin-bottom: var(--s-4);
}
.feature__title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  line-height: 1.05;
  margin: 0 0 var(--s-3);
}
.feature p { color: var(--haze-muted); margin: 0; font-size: var(--fs-small); }

/* ---------- curated landscapes ---------- */
.scenes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-5);
}
@media (max-width: 860px) { .scenes { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .scenes { grid-template-columns: 1fr; } }
.scene {
  border: 1px solid var(--rule);
  border-radius: 14px;
  overflow: hidden;
  background: var(--night-soft);
}
.scene__art {
  aspect-ratio: 4 / 5;
  position: relative;
}
.scene__art::after {
  /* a soft painted cloud band over each palette */
  content: "";
  position: absolute;
  left: 8%; right: 12%; top: 38%;
  height: 26%;
  border-radius: 50%;
  filter: blur(10px);
  background: radial-gradient(circle at 45% 40%, rgba(255,245,230,0.65), transparent 72%);
  mix-blend-mode: screen;
}
.scene--dusk  .scene__art { background: linear-gradient(180deg, #1a2452 0%, #4a3f7a 45%, #c9794f 82%, #f4ad63 100%); }
.scene--dawn  .scene__art { background: linear-gradient(180deg, #243a6b 0%, #6f6aa0 40%, #d79c7e 78%, #f9d0a0 100%); }
.scene--blue  .scene__art { background: linear-gradient(180deg, #0c1330 0%, #232e5e 50%, #3a3f73 80%, #565a86 100%); }
.scene--noon  .scene__art { background: linear-gradient(180deg, #2f6db5 0%, #5d9cd6 48%, #a9cdeb 82%, #dbeaf6 100%); }
.scene__meta { padding: var(--s-4); }
.scene__name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.05;
  margin: 0;
}
.scene__place {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--haze-muted);
  margin: var(--s-2) 0 0;
}

/* ---------- privacy callout ---------- */
.callout {
  padding: var(--s-8);
  border: 1px solid var(--rule-strong);
  border-radius: 16px;
  background:
    linear-gradient(135deg, rgba(242,166,90,0.06), transparent 70%),
    var(--night-soft);
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: var(--s-6);
  align-items: center;
}
@media (max-width: 600px) { .callout { grid-template-columns: 1fr; gap: var(--s-4); } }
.callout__mark {
  font-family: var(--font-display);
  font-size: 3.5rem;
  line-height: 0.9;
  color: var(--amber);
}
.callout p { margin: 0; max-width: 34rem; }

/* ---------- prose pages ---------- */
.prose { padding-block: var(--s-10) var(--s-12); }
.prose__header {
  margin-bottom: var(--s-10);
  padding-bottom: var(--s-6);
  border-bottom: 1px solid var(--rule);
}
.prose__header .label { display: block; margin-bottom: var(--s-3); }
.prose__header h1 { font-family: var(--font-display); font-size: clamp(2.5rem, 6vw, 4rem); margin: 0; }
.prose__header .meta {
  margin-top: var(--s-4);
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--haze-muted);
}
.prose section + section { margin-top: var(--s-8); }
.prose h2 {
  font-size: 1.625rem;
  margin-top: var(--s-10);
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: var(--s-4);
  align-items: baseline;
}
.prose h2::before {
  content: attr(data-num);
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.18em;
  color: var(--amber);
  font-weight: 500;
  transform: translateY(-0.2em);
}

/* FAQ */
.faq details { border-bottom: 1px solid var(--rule); padding-block: var(--s-4); }
.faq details:first-of-type { border-top: 1px solid var(--rule); }
.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--s-4);
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--haze);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-mono); color: var(--amber); transition: transform 200ms ease; }
.faq details[open] summary::after { content: "−"; }
.faq details > p, .faq details > ul { margin-top: var(--s-3); color: var(--haze-muted); }

/* contact card */
.contact {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: var(--s-4) var(--s-6);
  padding: var(--s-6);
  border: 1px solid var(--rule-strong);
  border-radius: 14px;
  margin-top: var(--s-8);
}
.contact dt {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--haze-muted);
}
.contact dd { margin: 0; font-family: var(--font-display); font-size: 1.25rem; }
.contact a { text-decoration-color: var(--amber); }

/* ---------- footer ---------- */
.site-footer { margin-top: var(--s-16); border-top: 1px solid var(--rule); padding-block: var(--s-8); }
.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-6);
  justify-content: space-between;
  align-items: baseline;
}
.site-footer .wordmark { font-size: 1.2rem; }
.site-footer__nav { display: flex; gap: var(--s-5); flex-wrap: wrap; }
.site-footer__nav a {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--haze-muted);
  text-decoration: none;
}
.site-footer__nav a:hover { color: var(--haze); }
.site-footer__apps {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--haze-faint);
  flex-basis: 100%;
  margin: 0;
}
.site-footer__apps a { color: var(--haze-muted); text-decoration: none; }
.site-footer__apps a:hover { color: var(--haze); }
.site-footer__meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--haze-faint);
  margin-top: var(--s-4);
  flex-basis: 100%;
}

/* ---------- entrance motion ---------- */
.reveal { opacity: 0; transform: translateY(14px); animation: rise 900ms cubic-bezier(0.16, 1, 0.3, 1) forwards; }
.reveal--1 { animation-delay: 80ms; }
.reveal--2 { animation-delay: 200ms; }
.reveal--3 { animation-delay: 320ms; }
@keyframes rise { to { opacity: 1; transform: none; } }

/* ---------- accessibility ---------- */
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}