/* ============================================================
   Globypeaks — alpenglow on slate
   Plain CSS. Mobile-first. No build step.
   ============================================================ */

:root {
  /* Surfaces */
  --bg:            #08080b;
  --bg-deep:       #050507;
  --surface:       #0e0e13;
  --surface-2:     #14141b;
  --border:        rgba(255,255,255,0.07);
  --border-strong: rgba(255,255,255,0.14);

  /* Text */
  --text:          #f3f1ec;
  --text-muted:    #8d8a83;
  --text-dim:      #5a5852;

  /* Accent — alpenglow gold */
  --glow:          #f4b962;
  --glow-warm:     #e89344;
  --glow-soft:     rgba(244,185,98,0.18);
  --glow-faint:    rgba(244,185,98,0.06);
  --cool:          #6fb3b0;

  /* Ridges (hero) */
  --ridge-far:     #15151c;
  --ridge-mid:     #0e0e14;
  --ridge-near:    #06060a;

  /* Type */
  --font-display:  'Space Grotesk', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body:     'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono:     'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Motion */
  --ease:          cubic-bezier(.2, .7, .2, 1);

  /* Layout */
  --container:     1200px;
  --gutter:        clamp(20px, 4vw, 56px);
}

/* ─────────── Reset ─────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  font-feature-settings: 'ss01', 'cv01';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0;
}
p { margin: 0; }

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

::selection { background: var(--glow); color: #1a1308; }

/* Ambient noise — adds tooth so the dark surfaces aren't dead flat */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: .035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 .9 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ─────────── Nav ─────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--gutter);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: background .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(8,8,11,0.72);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: var(--border);
}
.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}
.nav__mark {
  width: 18px;
  height: 18px;
  color: var(--glow);
}
.nav__links {
  display: flex;
  gap: 28px;
}
.nav__links a {
  color: var(--text-muted);
  position: relative;
  transition: color .2s var(--ease);
}
.nav__links a:hover { color: var(--text); }
.nav__links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1px;
  background: var(--glow);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .3s var(--ease);
}
.nav__links a:hover::after { transform: scaleX(1); }

@media (max-width: 560px) {
  .nav__links { display: none; }
}

/* ─────────── Buttons ─────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease), box-shadow .25s var(--ease), border-color .2s var(--ease);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn--primary {
  background: var(--glow);
  color: #1a1308;
  box-shadow: 0 0 0 0 var(--glow-soft);
}
.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 36px -10px var(--glow-soft), 0 0 0 6px var(--glow-faint);
}
.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn--ghost:hover {
  border-color: var(--text);
  transform: translateY(-1px);
}

/* ─────────── Hero ─────────── */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 120px var(--gutter) 80px;
  overflow: hidden;
  isolation: isolate;
  background: var(--bg-deep);
}

/* Sky gradient — alpenglow on slate */
.hero__sky {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 50% at 50% 110%, rgba(244,185,98,0.22), transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 90%, rgba(232,147,68,0.12), transparent 70%),
    radial-gradient(ellipse 100% 60% at 50% 0%, rgba(20,20,30,0.6), transparent 50%),
    linear-gradient(180deg, #0a0a0f 0%, #06060a 60%, #050507 100%);
}
.hero__sky::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,.5), transparent 50%),
    radial-gradient(1px 1px at 70% 20%, rgba(255,255,255,.4), transparent 50%),
    radial-gradient(1px 1px at 40% 60%, rgba(255,255,255,.3), transparent 50%),
    radial-gradient(1px 1px at 85% 45%, rgba(255,255,255,.45), transparent 50%),
    radial-gradient(1px 1px at 15% 75%, rgba(255,255,255,.3), transparent 50%),
    radial-gradient(1px 1px at 60% 10%, rgba(255,255,255,.4), transparent 50%),
    radial-gradient(1.5px 1.5px at 92% 18%, rgba(255,255,255,.6), transparent 50%);
  opacity: .6;
  mask-image: linear-gradient(180deg, #000 30%, transparent 70%);
}

/* Layered ridgelines */
.hero__ridges {
  position: absolute;
  bottom: 0;
  left: 0; right: 0;
  width: 100%;
  height: 70vh;
  max-height: 720px;
  min-height: 380px;
  z-index: -1;
  will-change: transform;
}
.hero__ridges path { transition: transform .1s linear; }

.hero__inner {
  position: relative;
  max-width: 920px;
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,0.02);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  margin-bottom: 32px;
}
.eyebrow__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--glow);
  box-shadow: 0 0 12px var(--glow);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%     { opacity: .5; transform: scale(.85); }
}

.hero__title {
  font-size: clamp(44px, 8.5vw, 112px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.98;
  margin-bottom: 28px;
}
.alpenglow {
  background: linear-gradient(180deg, #f8d49a 0%, var(--glow) 50%, var(--glow-warm) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 30px rgba(244,185,98,0.25));
}
.hero__lede {
  font-size: clamp(16px, 1.8vw, 19px);
  color: var(--text-muted);
  max-width: 540px;
  margin-inline: auto;
  margin-bottom: 40px;
  line-height: 1.55;
}
.hero__cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__scroll-mouse {
  width: 22px;
  height: 36px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.hero__scroll-mouse i {
  display: block;
  width: 2px;
  height: 8px;
  background: var(--text);
  border-radius: 1px;
  animation: scroll-hint 1.8s var(--ease) infinite;
}
.hero__scroll-phone {
  display: none;
  width: 24px;
  height: 38px;
  opacity: 0.8;
}
.hero__scroll-phone-dot {
  animation: phone-swipe 1.9s var(--ease) infinite;
  transform-origin: center;
}
@keyframes scroll-hint {
  0%   { transform: translateY(0); opacity: 1; }
  60%  { transform: translateY(10px); opacity: 0; }
  61%  { transform: translateY(0); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}
@keyframes phone-swipe {
  0%   { transform: translateY(6px); opacity: 0; }
  20%  { opacity: 1; }
  70%  { opacity: 1; }
  100% { transform: translateY(-8px); opacity: 0; }
}
@media (max-width: 640px) {
  .hero__scroll-mouse { display: none; }
  .hero__scroll-phone { display: block; }
}

/* ─────────── Section common ─────────── */
section { position: relative; z-index: 2; }

.section-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--glow);
  margin-bottom: 24px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.section-label::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--glow);
}

/* ─────────── Manifesto ─────────── */
.manifesto {
  padding: 140px 0 120px;
  border-top: 1px solid var(--border);
  background:
    radial-gradient(ellipse 60% 80% at 10% 0%, rgba(244,185,98,0.04), transparent 60%),
    var(--bg);
}
.manifesto__title {
  font-size: clamp(34px, 5.5vw, 64px);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 80px;
  max-width: 18ch;
}
.muted { color: var(--text-muted); }

.manifesto__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(40px, 8vw, 100px);
  align-items: start;
}
.manifesto__lede {
  font-size: clamp(18px, 1.8vw, 22px);
  line-height: 1.55;
  color: var(--text);
  font-weight: 400;
}
.manifesto__pillars {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 36px;
}
.manifesto__pillars li {
  display: grid;
  grid-template-columns: 80px 1fr;
  column-gap: 24px;
  row-gap: 8px;
  align-items: baseline;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.manifesto__pillars li:last-child { border-bottom: 0; padding-bottom: 0; }
.pillar__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--glow);
  letter-spacing: 0.05em;
}
.manifesto__pillars h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: -0.015em;
}
.manifesto__pillars p {
  grid-column: 2;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.55;
}

@media (max-width: 820px) {
  .manifesto__grid { grid-template-columns: 1fr; }
}

/* ─────────── Work / Projects ─────────── */
.work {
  padding: 140px 0 160px;
  border-top: 1px solid var(--border);
  background: var(--bg-deep);
}
.work__title {
  font-size: clamp(34px, 5.5vw, 64px);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 72px;
  max-width: 16ch;
}

.project {
  border: 1px solid var(--border);
  border-radius: 24px;
  margin-bottom: 28px;
  overflow: hidden;
  background: var(--surface);
  transition: border-color .3s var(--ease), transform .3s var(--ease), box-shadow .35s var(--ease);
  position: relative;
}
.project:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: 0 24px 60px -20px rgba(0,0,0,0.6);
}
.project[open] {
  border-color: rgba(244,185,98,0.22);
}
.project[open]:hover { transform: none; }

.project__summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: minmax(280px, 1fr) 1.4fr;
  gap: 0;
  align-items: stretch;
}
.project__summary::-webkit-details-marker { display: none; }

/* Poster */
.project__poster {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--surface-2);
  isolation: isolate;
}
.poster__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 100%, rgba(244,185,98,0.45), transparent 70%);
  opacity: .7;
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}
.poster__glow--cool {
  background: radial-gradient(ellipse 80% 60% at 50% 100%, rgba(111,179,176,0.32), transparent 70%);
}
.project:hover .poster__glow {
  opacity: 1;
  transform: scale(1.1);
}
.poster__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: center;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, #000 30%, transparent 80%);
}
.poster__wordmark {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--text);
  text-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.poster__wordmark .accent { color: var(--glow); }
.poster__wordmark--serif {
  font-family: 'Space Grotesk', serif;
  font-weight: 400;
  letter-spacing: 0.18em;
  font-size: clamp(20px, 2.5vw, 30px);
  color: var(--text);
}
.poster__route {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  color: var(--cool);
  opacity: .7;
}
.poster__chip {
  position: absolute;
  top: 16px;
  left: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(8,8,11,0.65);
  border: 1px solid var(--border);
  color: var(--text-muted);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

/* Meta */
.project__meta {
  padding: clamp(28px, 3vw, 44px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
}
.project__head {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.project__name {
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 600;
  letter-spacing: -0.02em;
}
.tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.tag--open {
  color: var(--glow);
  border-color: rgba(244,185,98,0.25);
  background: rgba(244,185,98,0.06);
}
.project__tagline {
  font-size: clamp(16px, 1.5vw, 18px);
  color: var(--text-muted);
  line-height: 1.55;
  max-width: 50ch;
}
.project__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.project__chips span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
}
.project__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 13px;
  font-style: normal;
  color: var(--glow);
  margin-top: 8px;
  letter-spacing: -0.005em;
}
.project__more em { font-style: normal; }
.project__more svg { transition: transform .3s var(--ease); }
.project[open] .project__more svg { transform: rotate(180deg); }
.project__more [data-when-open]   { display: none; }
.project[open] .project__more [data-when-closed] { display: none; }
.project[open] .project__more [data-when-open]   { display: inline; }

/* Body / case study */
.project__body {
  border-top: 1px solid var(--border);
  padding: clamp(28px, 4vw, 48px);
  background:
    linear-gradient(180deg, rgba(244,185,98,0.025), transparent 200px),
    var(--surface);
  animation: case-in .45s var(--ease) both;
}
@keyframes case-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.case {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(28px, 3vw, 48px);
  margin-bottom: 40px;
}
.case h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--glow);
  margin-bottom: 14px;
}
.case p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
}
.case p em { color: var(--text-muted); font-style: italic; }

.case__cta {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  padding-top: 28px;
  border-top: 1px dashed var(--border);
}
.case__cta-note {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

@media (max-width: 880px) {
  .project__summary { grid-template-columns: 1fr; }
  .project__poster { aspect-ratio: 16/9; }
  .case { grid-template-columns: 1fr; gap: 28px; }
}

/* ─────────── Contact ─────────── */
.contact {
  padding: 160px 0 180px;
  border-top: 1px solid var(--border);
  text-align: center;
  background:
    radial-gradient(ellipse 60% 60% at 50% 100%, rgba(244,185,98,0.08), transparent 70%),
    var(--bg);
  position: relative;
  overflow: hidden;
}
.contact .section-label { justify-content: center; }
.contact__title {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin: 0 auto 28px;
  max-width: 18ch;
}
.contact__lede {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto 52px;
  line-height: 1.55;
}
.contact__email {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 36px);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text);
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-strong);
  transition: color .25s var(--ease), border-color .25s var(--ease), gap .25s var(--ease);
}
.contact__email:hover {
  color: var(--glow);
  border-bottom-color: var(--glow);
  gap: 18px;
}

.contact__kofi {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 36px;
  padding: 11px 22px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: var(--text-muted);
  background: rgba(255,255,255,0.02);
  transition: color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease), background .25s var(--ease), box-shadow .3s var(--ease);
}
.contact__kofi:hover {
  color: var(--text);
  border-color: var(--glow);
  background: rgba(244,185,98,0.06);
  transform: translateY(-1px);
  box-shadow: 0 8px 28px -10px var(--glow-soft);
}
.contact__kofi svg { width: 16px; height: 16px; color: var(--glow); }

/* ─────────── Footer ─────────── */
.foot {
  padding: 36px 0 48px;
  border-top: 1px solid var(--border);
  background: var(--bg-deep);
}
.foot__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.foot__brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 14px;
  color: var(--text);
}
.foot__brand svg { color: var(--glow); }
.foot__copy {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

/* ─────────── Reveal ─────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}

/* ─────────── Reduced motion ─────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}