/* North Anchor Studio v2
   Photo-led, editorial. Bone paper, navy ink, brass used sparingly. */

:root {
  --ink: oklch(27% 0.05 245);
  --ink-soft: oklch(40% 0.04 245);
  --ink-mute: oklch(52% 0.03 245);
  --paper: oklch(95.5% 0.012 85);
  --paper-deep: oklch(92% 0.016 85);
  --paper-card: oklch(97.5% 0.008 85);
  --rule: oklch(82% 0.02 85);
  --rule-strong: oklch(27% 0.05 245 / 0.3);
  --brass-ink: oklch(72% 0.125 75);
  --brass-deep: oklch(62% 0.13 72);
  --band-paper: oklch(93% 0.014 85);
  --band-mute: oklch(80% 0.025 240);
  --navy-ph: oklch(30% 0.05 245);
  --navy-ph-2: oklch(22% 0.045 245);

  --font-display: "Archivo", "Archivo Black", Impact, sans-serif;
  --font-body: "DM Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;

  --space-xs: 4px; --space-sm: 8px; --space-md: 16px; --space-lg: 24px;
  --space-xl: 32px; --space-2xl: 48px; --space-3xl: 64px; --space-4xl: 96px;
  --space-section: clamp(72px, 9vw, 128px);
  --gutter: clamp(20px, 5vw, 80px);
  --radius: 6px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--font-body); font-size: 1.0625rem; line-height: 1.55;
  font-optical-sizing: auto; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
h1, h2, h3 { font-family: var(--font-display); font-weight: 800; letter-spacing: -0.02em; line-height: 1.02; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(2.5rem, 6.4vw, 5.5rem); line-height: 0.98; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.8rem, 3.6vw, 3rem); }
h3 { font-size: clamp(1.25rem, 1.9vw, 1.6rem); line-height: 1.12; }
p { margin: 0; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
ul, ol { margin: 0; padding: 0; }
.plain { list-style: none; }
img { display: block; max-width: 100%; }
figure { margin: 0; }
.brass { color: var(--brass-ink); }

.eyebrow {
  font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-mute); margin-bottom: var(--space-md); position: relative; padding-top: 12px;
}
.eyebrow::before { content: ""; position: absolute; top: 0; left: 0; width: 32px; height: 2px; background: var(--brass-ink); }
.eyebrow-light { color: var(--band-mute); }

/* ---------- header ---------- */
.site-head {
  position: fixed; top: 0; left: 0; right: 0; z-index: 20;
  display: flex; align-items: center; gap: var(--space-xl);
  padding: var(--space-md) var(--gutter);
  color: var(--band-paper);
  transition: background-color 0.3s, color 0.3s, box-shadow 0.3s;
}
.site-head.solid { background: color-mix(in oklch, var(--paper) 92%, transparent); backdrop-filter: blur(12px); color: var(--ink); box-shadow: 0 1px 0 var(--rule); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: inherit; }
.brand-mark { width: 30px; height: 30px; }
.brand-name { font-family: var(--font-display); font-weight: 800; font-size: 1.0625rem; letter-spacing: -0.01em; white-space: nowrap; }
.site-nav { display: flex; gap: clamp(14px, 2.2vw, 28px); font-size: 0.9375rem; font-weight: 500; margin-left: auto; }
.site-nav a { text-decoration: none; opacity: 0.85; }
.site-nav a:hover { opacity: 1; }
.head-cta { padding: 10px 18px; font-size: 0.9375rem; }
@media (max-width: 760px) {
  .site-head { gap: var(--space-md); }
  .site-nav { display: none; }
  .head-cta { margin-left: auto; padding: 9px 14px; font-size: 0.875rem; }
  .brand-name { font-size: 1rem; }
}
@media (max-width: 400px) { .brand-name { display: none; } }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-body); font-weight: 600; font-size: 1rem;
  padding: 14px 24px; border-radius: 999px; border: 1.5px solid transparent;
  text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: transform 0.35s var(--ease-out), background-color 0.2s, color 0.2s, border-color 0.2s;
}
.btn-brass { background: var(--brass-ink); color: var(--ink); border-color: var(--brass-ink); }
.btn-brass:hover { background: var(--brass-deep); border-color: var(--brass-deep); transform: translateY(-1px); }
.btn-ghost-light { background: transparent; color: var(--band-paper); border-color: oklch(100% 0 0 / 0.55); }
.btn-ghost-light:hover { border-color: var(--band-paper); background: oklch(100% 0 0 / 0.08); }
.btn:focus-visible { outline: 2px solid var(--brass-ink); outline-offset: 3px; }

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: clamp(560px, 92vh, 860px);
  display: grid; align-items: end;
  color: var(--band-paper); isolation: isolate;
  background: linear-gradient(160deg, var(--navy-ph) 0%, var(--navy-ph-2) 100%);
}
.hero-media { position: absolute; inset: 0; z-index: -2; overflow: hidden; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(90deg, oklch(18% 0.05 245 / 0.88) 0%, oklch(18% 0.05 245 / 0.55) 55%, oklch(18% 0.05 245 / 0.25) 100%),
              linear-gradient(0deg, oklch(18% 0.05 245 / 0.75) 0%, transparent 45%);
}
.hero-inner { padding: 140px var(--gutter) clamp(56px, 8vw, 96px); max-width: 1100px; }
.hero h1 { max-width: 16ch; color: var(--band-paper); }
.hero-sub { margin-top: var(--space-lg); font-size: clamp(1.0625rem, 1.5vw, 1.3rem); line-height: 1.5; max-width: 52ch; color: oklch(88% 0.015 85); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-md); margin-top: var(--space-xl); }

/* ---------- pill nav ---------- */
.pill-nav {
  position: sticky; top: 76px; z-index: 15;
  display: flex; gap: 4px; width: max-content; max-width: calc(100% - 2 * var(--gutter));
  margin: -28px auto 0; padding: 6px;
  background: color-mix(in oklch, var(--paper-card) 94%, transparent); backdrop-filter: blur(12px);
  border: 1px solid var(--rule); border-radius: 999px;
  box-shadow: 0 10px 30px oklch(27% 0.05 245 / 0.12);
  overflow-x: auto; scrollbar-width: none;
}
.pill-nav::-webkit-scrollbar { display: none; }
.pill-nav a { padding: 8px 14px; border-radius: 999px; font-size: 0.875rem; font-weight: 500; text-decoration: none; color: var(--ink-soft); white-space: nowrap; }
.pill-nav a:hover, .pill-nav a.active { background: var(--paper-deep); color: var(--ink); }
.pill-nav .pill-cta { background: var(--ink); color: var(--band-paper); }
.pill-nav .pill-cta:hover { background: var(--brass-deep); color: var(--ink); }
@media (max-width: 760px) { .pill-nav { top: 64px; margin-top: -24px; } }

/* ---------- sections ---------- */
.section { padding: var(--space-section) var(--gutter); }
.section-head { max-width: 62ch; margin-bottom: clamp(32px, 5vw, 56px); }
.section-head h2 { margin-bottom: var(--space-md); }
.section-note { color: var(--ink-soft); max-width: 56ch; }

/* split */
.split { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: var(--space-2xl) clamp(32px, 6vw, 96px); align-items: center; }
.split-rev .split-media { order: -1; }
.split-copy { display: grid; gap: var(--space-md); }
.split-copy h2 { margin-bottom: var(--space-sm); }
.split-copy p { color: var(--ink-soft); max-width: 54ch; }
.split-media { border-radius: var(--radius); overflow: hidden; aspect-ratio: 3 / 2; background: linear-gradient(160deg, var(--navy-ph) 0%, var(--navy-ph-2) 100%); }
.split-media img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } .split-rev .split-media { order: 0; } }

/* pillars */
.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-xl) var(--space-2xl); margin-top: clamp(48px, 7vw, 88px); }
.pillars li { padding-top: var(--space-md); position: relative; }
.pillars li::before { content: ""; position: absolute; top: 0; left: 0; width: 32px; height: 2px; background: var(--brass-ink); }
.pillars h3 { margin-bottom: var(--space-sm); }
.pillars p { color: var(--ink-soft); max-width: 36ch; }
@media (max-width: 760px) { .pillars { grid-template-columns: 1fr; } }

/* cards */
.cards { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-2xl) var(--space-lg); }
.card { display: grid; gap: var(--space-sm); align-content: start; }
.card-media { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 3; background: linear-gradient(160deg, var(--navy-ph) 0%, var(--navy-ph-2) 100%); margin-bottom: var(--space-sm); }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease-out); }
.card:hover .card-media img { transform: scale(1.03); }
.card-num {
  position: absolute; left: 14px; bottom: 6px;
  font-family: var(--font-display); font-weight: 800; font-size: clamp(3rem, 5vw, 4.5rem); line-height: 1;
  color: transparent; -webkit-text-stroke: 1.5px oklch(100% 0 0 / 0.85);
}
.card h3 { margin-top: var(--space-xs); }
.card-meta { font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--brass-deep); }
.card > p:last-child { color: var(--ink-soft); font-size: 1rem; line-height: 1.5; }
@media (max-width: 1100px) { .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .cards { grid-template-columns: 1fr; } }

/* band */
.band { background: var(--ink); color: var(--band-paper); padding: var(--space-section) var(--gutter); }
.band-inner { max-width: 860px; margin: 0 auto; display: grid; gap: var(--space-lg); justify-items: start; }
.band h2 { color: var(--band-paper); font-size: clamp(1.9rem, 4vw, 3.4rem); max-width: 22ch; }
.band p { color: var(--band-mute); max-width: 56ch; line-height: 1.6; }

/* tabs */
.tabs { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: var(--space-2xl) clamp(32px, 5vw, 72px); align-items: start; }
.tab-list { display: grid; }
.tab-list button {
  all: unset; cursor: pointer; display: block; padding: var(--space-md) 0;
  font-family: var(--font-display); font-weight: 500; font-size: clamp(1.05rem, 1.5vw, 1.3rem); letter-spacing: -0.01em;
  color: var(--ink-mute); border-bottom: 1px solid var(--rule); transition: color 0.2s;
}
.tab-list button:hover { color: var(--ink); }
.tab-list button[aria-selected="true"] { color: var(--ink); font-weight: 800; border-bottom-color: var(--brass-ink); }
.tab-list button:focus-visible { outline: 2px solid var(--brass-ink); outline-offset: 2px; }
.tab-panel { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); background: var(--paper-card); border: 1px solid var(--rule); border-radius: var(--radius); overflow: hidden; animation: fadein 0.5s var(--ease-out); }
.tab-panel[hidden] { display: none; }
.tab-copy { padding: clamp(24px, 3.5vw, 48px); display: grid; gap: var(--space-md); align-content: center; }
.tab-copy h3 { color: var(--ink); }
.tab-copy p { color: var(--ink-soft); }
.tab-media { aspect-ratio: 4 / 3; background: linear-gradient(160deg, var(--navy-ph) 0%, var(--navy-ph-2) 100%); }
.tab-media img { width: 100%; height: 100%; object-fit: cover; }
.who-note { margin-top: var(--space-2xl); padding-top: var(--space-lg); border-top: 1px solid var(--rule-strong); color: var(--ink-soft); max-width: 70ch; font-size: 1rem; }
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media (max-width: 860px) {
  .tabs { grid-template-columns: 1fr; }
  .tab-list { display: flex; gap: var(--space-md); overflow-x: auto; scrollbar-width: none; border-bottom: 1px solid var(--rule); }
  .tab-list button { white-space: nowrap; border-bottom: 0; padding: var(--space-sm) 0 var(--space-md); border-bottom: 2px solid transparent; margin-bottom: -1px; }
  .tab-list button[aria-selected="true"] { border-bottom-color: var(--brass-ink); }
  .tab-panel { grid-template-columns: 1fr; }
  .tab-media { order: -1; }
}

/* process */
.process { background: var(--paper-deep); }
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-xl); border-top: 1px solid var(--rule-strong); padding-top: var(--space-xl); }
.steps li { display: grid; gap: var(--space-sm); align-content: start; }
.step-n { font-family: var(--font-display); font-weight: 800; font-size: clamp(2.5rem, 4vw, 3.5rem); line-height: 1; color: var(--brass-deep); margin-bottom: var(--space-sm); }
.steps h3 { font-size: 1.2rem; }
.steps p { color: var(--ink-soft); font-size: 1rem; line-height: 1.55; }
@media (max-width: 960px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* founders */
.founder-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-2xl) clamp(32px, 5vw, 72px); max-width: 1000px; }
.founder { display: grid; gap: var(--space-sm); align-content: start; }
.founder-media { border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 5; background: linear-gradient(160deg, var(--navy-ph) 0%, var(--navy-ph-2) 100%); margin-bottom: var(--space-sm); max-width: 420px; }
.founder-media img { width: 100%; height: 100%; object-fit: cover; }
.founder-role { font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--brass-deep); }
.founder > p:last-child { color: var(--ink-soft); max-width: 44ch; }
@media (max-width: 640px) { .founder-pair { grid-template-columns: 1fr; } }

/* faq */
.faq-list { border-top: 1px solid var(--rule-strong); max-width: 76ch; }
.faq-list details { border-bottom: 1px solid var(--rule); }
.faq-list summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-lg);
  padding: var(--space-lg) 0; font-family: var(--font-display); font-weight: 800; font-size: clamp(1.05rem, 1.5vw, 1.3rem); letter-spacing: -0.01em;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: var(--brass-deep); font-family: var(--font-body); font-weight: 400; font-size: 1.5rem; line-height: 1; transition: transform 0.3s var(--ease-out); }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { padding: 0 0 var(--space-lg); color: var(--ink-soft); max-width: 62ch; }

/* contact */
.contact { background: var(--paper-deep); }
.contact-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--space-2xl) clamp(32px, 6vw, 96px); align-items: start; }
.contact-copy { display: grid; gap: var(--space-md); }
.contact-copy p { color: var(--ink-soft); max-width: 40ch; }
.contact-alt { font-size: 0.9375rem; }
.contact-form { display: grid; gap: var(--space-lg); background: var(--paper-card); border: 1px solid var(--rule); border-radius: var(--radius); padding: clamp(24px, 3.5vw, 40px); }
.field { display: grid; gap: var(--space-sm); }
.field label, .field legend { font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-mute); }
.field input[type="text"], .field input[type="email"], .field textarea {
  font: inherit; color: var(--ink); background: transparent; border: 0; border-bottom: 1px solid var(--rule-strong); border-radius: 0;
  padding: 10px 0; width: 100%; transition: border-color 0.2s;
}
.field textarea { resize: vertical; line-height: 1.5; }
.field input::placeholder, .field textarea::placeholder { color: var(--ink-mute); opacity: 0.7; }
.field input:focus, .field textarea:focus { outline: none; border-bottom-color: var(--brass-deep); border-bottom-width: 2px; margin-bottom: -1px; }
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-bottom-color: oklch(55% 0.16 25); }
.choice { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: var(--space-sm) var(--space-md); }
.choice legend { padding: 0; margin-bottom: var(--space-sm); }
.choice label { display: inline-flex; align-items: center; gap: 8px; font: inherit; text-transform: none; letter-spacing: 0; color: var(--ink); font-size: 1rem; font-weight: 500; cursor: pointer; padding: 8px 14px; border: 1px solid var(--rule-strong); border-radius: 999px; }
.choice label:has(input:checked) { background: var(--ink); color: var(--band-paper); border-color: var(--ink); }
.choice input { appearance: none; width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid currentColor; margin: 0; }
.choice input:checked { background: var(--brass-ink); border-color: var(--brass-ink); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { display: flex; align-items: center; gap: var(--space-lg); flex-wrap: wrap; }
.form-status { font-size: 0.9375rem; color: var(--ink-soft); min-height: 1.4em; }
.form-status.ok { color: var(--ink); font-weight: 500; }
.form-status.err { color: oklch(48% 0.16 25); }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

/* footer */
.site-foot { padding: var(--space-2xl) var(--gutter); background: var(--ink); color: var(--band-mute); display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); font-size: 0.9375rem; }
.foot-brand { font-family: var(--font-display); font-weight: 800; color: var(--band-paper); font-size: 1.0625rem; margin-bottom: var(--space-xs); }
.foot-small { max-width: 44ch; justify-self: end; text-align: right; }
@media (max-width: 640px) { .site-foot { grid-template-columns: 1fr; } .foot-small { justify-self: start; text-align: left; } }

/* ---------- motion ---------- */
.reveal { opacity: 0; transform: translateY(14px); }
.reveal.in { animation: rise 0.9s var(--ease-out) forwards; }
.hero-inner .reveal:nth-child(2) { animation-delay: 0.1s; }
.hero-inner .reveal:nth-child(3) { animation-delay: 0.2s; }
.hero-inner .reveal:nth-child(4) { animation-delay: 0.3s; }
@keyframes rise { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; animation: none !important; }
  .tab-panel { animation: none; }
  .card-media img, .faq-list summary::after, .btn { transition: none; }
}