/* ============================================================================
   JARMOS DIGITAL — Design System  ("Studio Obsidian")
   Shared across all marketing pages. Page-specific styles live inline.
   Type:  Fraunces (display serif) + Hanken Grotesk (body/UI)
   Mood:  warm near-black, single metallic sand accent, editorial, refined.
   ========================================================================== */

/* ---- Tokens --------------------------------------------------------------- */
:root {
  /* surfaces (warm near-black) */
  --ink:        #0C0B0A;
  --ink-1:      #100F0D;
  --ink-2:      #16140F;
  --ink-3:      #1C1A14;
  --ink-card:   #131210;

  /* text */
  --bone:       #F3EFE7;
  --bone-dim:   rgba(243, 239, 231, 0.62);
  --muted:      #908B80;
  --faint:      rgba(243, 239, 231, 0.34);

  /* accent — the brand thread */
  --sand:       #C8B89A;
  --sand-lo:    #A89876;
  --sand-hi:    #E7D9BC;

  /* hairlines & glass */
  --line:       rgba(243, 239, 231, 0.10);
  --line-soft:  rgba(243, 239, 231, 0.055);
  --glass:      rgba(20, 18, 14, 0.55);

  /* state colours (audit) */
  --green:      #6FCF97;
  --yellow:     #E8C45C;
  --red:        #E8836E;

  /* depth */
  --shadow:     0 40px 90px -30px rgba(0, 0, 0, 0.75);
  --shadow-sm:  0 18px 40px -22px rgba(0, 0, 0, 0.7);

  /* motion */
  --ease:       cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);

  /* layout */
  --maxw:       1240px;
  --gutter:     clamp(1.25rem, 5vw, 5rem);
  --radius:     16px;
}

/* ---- Reset ---------------------------------------------------------------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; animation-iteration-count: 1 !important; }
}

body {
  background: var(--ink);
  color: var(--bone);
  font-family: 'Hanken Grotesk', system-ui, sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0.005em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  position: relative;
}

/* atmosphere: soft warm vignette + the faintest film grain ---------------- */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(1200px 700px at 78% -8%, rgba(200, 184, 154, 0.10), transparent 60%),
    radial-gradient(900px 600px at 0% 100%, rgba(200, 184, 154, 0.045), transparent 55%),
    var(--ink);
}
body::after {
  content: '';
  position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0.30;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

::selection { background: var(--sand); color: var(--ink); }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ---- Typography ----------------------------------------------------------- */
.display, h1, h2, h3 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600;
  line-height: 1.0;
  letter-spacing: -0.02em;
  font-optical-sizing: auto;
}
.serif-italic { font-family: 'Fraunces', serif; font-style: italic; font-weight: 500; }
em.accent, .ital-sand { font-family: 'Fraunces', serif; font-style: italic; font-weight: 500; color: var(--sand); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--sand);
}
.eyebrow::before {
  content: ''; width: 26px; height: 1px; background: var(--sand); opacity: 0.7;
}
.eyebrow.center::after {
  content: ''; width: 26px; height: 1px; background: var(--sand); opacity: 0.7;
}

.lead { font-size: clamp(1.05rem, 1.6vw, 1.35rem); color: var(--bone-dim); line-height: 1.7; font-weight: 300; }
.muted { color: var(--muted); }
.sand { color: var(--sand); }

/* ---- Layout helpers ------------------------------------------------------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(5rem, 11vw, 10rem); position: relative; }
.section-head { max-width: 760px; }
.section-head h2 { font-size: clamp(2.2rem, 6vw, 4.6rem); margin-top: 1.4rem; }
.hr { height: 1px; background: var(--line); border: 0; }

/* ---- Buttons -------------------------------------------------------------- */
.btn {
  --pad-y: 0.95rem; --pad-x: 1.7rem;
  display: inline-flex; align-items: center; gap: 0.7rem;
  padding: var(--pad-y) var(--pad-x);
  font-size: 0.92rem; font-weight: 600; letter-spacing: 0.01em;
  border-radius: 100px; border: 1px solid transparent;
  transition: transform 0.5s var(--ease), background 0.35s var(--ease), color 0.35s var(--ease), border-color 0.35s var(--ease);
  will-change: transform;
}
.btn .arr { transition: transform 0.45s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }

.btn-primary { background: var(--sand); color: #1a160f; }
.btn-primary:hover { background: var(--sand-hi); }

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

.btn-lg { --pad-y: 1.15rem; --pad-x: 2.2rem; font-size: 1rem; }

/* link with animated underline */
.ulink { position: relative; color: var(--bone); display: inline-flex; align-items: center; gap: 0.45rem; font-weight: 500; }
.ulink::after {
  content: ''; position: absolute; left: 0; bottom: -3px; height: 1px; width: 100%;
  background: var(--sand); transform: scaleX(0); transform-origin: right; transition: transform 0.5s var(--ease);
}
.ulink:hover { color: var(--sand); }
.ulink:hover::after { transform: scaleX(1); transform-origin: left; }
.ulink .arr { transition: transform 0.4s var(--ease); }
.ulink:hover .arr { transform: translate(3px, -3px); }

/* ---- Navigation ----------------------------------------------------------- */
.site-nav {
  position: fixed; inset: 0 0 auto 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem; padding: 1.15rem var(--gutter);
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), padding 0.4s var(--ease), backdrop-filter 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-nav.scrolled {
  background: var(--glass); backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--line); padding-block: 0.85rem;
}
.brand { display: inline-flex; align-items: baseline; gap: 0.12rem; font-family: 'Fraunces', serif; font-size: 1.4rem; font-weight: 600; letter-spacing: -0.02em; color: var(--bone); }
.brand b { color: var(--sand); font-weight: 600; }
.brand .dot { color: var(--sand); }
.brand img { height: 42px; width: auto; display: block; }
.site-nav.scrolled .brand img { height: 36px; transition: height 0.4s var(--ease); }
.brand-sub { font-family: 'Hanken Grotesk', sans-serif; font-size: 0.72rem; letter-spacing: 0.34em; text-transform: uppercase; color: var(--muted); font-weight: 600; align-self: center; margin-left: 0.55rem; padding-left: 0.6rem; border-left: 1px solid var(--line); }

.nav-links { display: flex; align-items: center; gap: 2.1rem; list-style: none; }
.nav-links a { font-size: 0.9rem; font-weight: 500; color: var(--bone-dim); position: relative; transition: color 0.3s var(--ease); }
.nav-links a::after { content: ''; position: absolute; left: 0; bottom: -6px; width: 100%; height: 1px; background: var(--sand); transform: scaleX(0); transform-origin: right; transition: transform 0.4s var(--ease); }
.nav-links a:hover, .nav-links a.active { color: var(--bone); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); transform-origin: left; }
.nav-right { display: flex; align-items: center; gap: 1.4rem; }

/* mobile menu */
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: 8px; z-index: 1100; }
.nav-toggle span { width: 24px; height: 1.5px; background: var(--bone); transition: transform 0.4s var(--ease), opacity 0.3s var(--ease); }
.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 0; z-index: 1050; display: flex; flex-direction: column;
  justify-content: center; gap: 0.4rem; padding: var(--gutter);
  background: var(--ink-1); backdrop-filter: blur(8px);
  transform: translateY(-100%); transition: transform 0.55s var(--ease); pointer-events: none;
}
.mobile-menu.open { transform: translateY(0); pointer-events: auto; }
.mobile-menu a { font-family: 'Fraunces', serif; font-size: clamp(2rem, 9vw, 3.4rem); font-weight: 500; color: var(--bone); padding-block: 0.5rem; border-bottom: 1px solid var(--line-soft); display: flex; justify-content: space-between; align-items: center; transition: color 0.3s var(--ease), padding-left 0.4s var(--ease); }
.mobile-menu a:hover { color: var(--sand); padding-left: 0.6rem; }
.mobile-menu a span { font-family: 'Hanken Grotesk'; font-size: 0.8rem; color: var(--faint); }

@media (max-width: 920px) {
  .nav-links, .nav-right .btn { display: none; }
  .nav-toggle { display: flex; }
  .brand-sub { display: none; }
}

/* ---- Marquee -------------------------------------------------------------- */
.marquee { overflow: hidden; border-block: 1px solid var(--line); padding-block: 1.15rem; background: rgba(255,255,255,0.012); }
.marquee-track { display: flex; gap: 3rem; width: max-content; animation: marquee 38s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { display: inline-flex; align-items: center; gap: 3rem; font-size: 0.95rem; letter-spacing: 0.02em; color: var(--bone-dim); white-space: nowrap; }
.marquee-track span::after { content: '✦'; color: var(--sand); font-size: 0.7rem; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---- Reveal on scroll ----------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
.d1 { transition-delay: 0.10s; } .d2 { transition-delay: 0.20s; } .d3 { transition-delay: 0.30s; }
.d4 { transition-delay: 0.40s; } .d5 { transition-delay: 0.50s; } .d6 { transition-delay: 0.60s; }

/* ---- Footer --------------------------------------------------------------- */
.site-footer { border-top: 1px solid var(--line); padding-block: clamp(3.5rem, 7vw, 6rem) 2.5rem; background: var(--ink-1); position: relative; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 3rem; }
.footer-brand .brand { font-size: 1.7rem; }
.footer-brand .brand img { height: 60px; }
.footer-tag { color: var(--bone-dim); max-width: 30ch; margin-top: 1.1rem; font-weight: 300; line-height: 1.7; }
.footer-col h4 { font-family: 'Hanken Grotesk', sans-serif; font-size: 0.72rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); font-weight: 600; margin-bottom: 1.3rem; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.8rem; }
.footer-col a { color: var(--bone-dim); font-size: 0.95rem; transition: color 0.3s var(--ease), padding-left 0.3s var(--ease); }
.footer-col a:hover { color: var(--sand); padding-left: 4px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; flex-wrap: wrap; margin-top: clamp(3rem, 6vw, 5rem); padding-top: 2rem; border-top: 1px solid var(--line-soft); }
.footer-legal { color: var(--faint); font-size: 0.82rem; line-height: 1.8; }
.to-top { display: inline-flex; align-items: center; gap: 0.6rem; color: var(--bone-dim); font-size: 0.85rem; font-weight: 500; transition: color 0.3s var(--ease); }
.to-top:hover { color: var(--sand); }
.to-top .ring { width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 50%; display: grid; place-items: center; transition: border-color 0.3s var(--ease), transform 0.4s var(--ease); }
.to-top:hover .ring { border-color: var(--sand); transform: translateY(-3px); }

@media (max-width: 820px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ---- Page hero scaffold (shared) ----------------------------------------- */
.page-hero { padding-top: clamp(9rem, 16vw, 13rem); padding-bottom: clamp(3rem, 7vw, 6rem); position: relative; }
.page-hero h1 { font-size: clamp(3rem, 11vw, 8rem); line-height: 0.92; }
.page-hero .lead { max-width: 52ch; margin-top: 1.8rem; }
.hero-mark { position: absolute; right: var(--gutter); top: 18%; font-family: 'Fraunces', serif; font-weight: 600; font-size: clamp(8rem, 24vw, 22rem); line-height: 1; color: transparent; -webkit-text-stroke: 1px rgba(200,184,154,0.10); pointer-events: none; user-select: none; z-index: 0; }

/* outline display word */
.outline { color: transparent; -webkit-text-stroke: 1.2px var(--sand); }
@supports not (-webkit-text-stroke: 1px var(--sand)) { .outline { color: var(--sand-lo); } }

/* ---- Article / blog post pages ------------------------------------------ */
.article-hero { padding-top: clamp(8.5rem, 15vw, 12rem); padding-bottom: clamp(1rem, 3vw, 2rem); }
.article-back { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--bone-dim); font-size: 0.85rem; font-weight: 500; margin-bottom: 1.8rem; transition: color 0.3s var(--ease); }
.article-back:hover { color: var(--sand); }
.article-hero h1 { font-size: clamp(2.1rem, 5.2vw, 4.2rem); line-height: 1.06; max-width: 20ch; margin-top: 1.3rem; }
.article-meta { margin-top: 1.8rem; color: var(--muted); font-size: 0.85rem; display: flex; gap: 0.7rem; flex-wrap: wrap; align-items: center; }
.article-meta span::after { content: '·'; margin-left: 0.7rem; color: var(--faint); }
.article-meta span:last-child::after { content: ''; margin: 0; }
.article-body { max-width: 720px; margin: clamp(2rem, 5vw, 3.5rem) auto 0; }
.article-body > * + * { margin-top: 1.35rem; }
.article-body h2 { font-family: 'Fraunces', serif; font-size: clamp(1.6rem, 3.4vw, 2.3rem); font-weight: 600; line-height: 1.14; margin-top: 3.2rem; }
.article-body h3 { font-family: 'Fraunces', serif; font-size: 1.3rem; font-weight: 600; color: var(--sand); margin-top: 2.2rem; }
.article-body p { color: var(--bone-dim); font-weight: 300; font-size: 1.06rem; line-height: 1.85; }
.article-body ul, .article-body ol { padding-left: 1.4rem; display: flex; flex-direction: column; gap: 0.7rem; }
.article-body li { color: var(--bone-dim); font-weight: 300; line-height: 1.7; padding-left: 0.3rem; }
.article-body li::marker { color: var(--sand); }
.article-body strong { color: var(--bone); font-weight: 600; }
.article-body em { font-style: italic; }
.article-body a { color: var(--sand); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; transition: color 0.3s var(--ease); }
.article-body a:hover { color: var(--sand-hi); }
.article-body blockquote { border-left: 2px solid var(--sand); padding: 1.2rem 1.8rem; background: rgba(200,184,154,0.05); border-radius: 0 12px 12px 0; margin: 2.4rem 0; }
.article-body blockquote p { font-family: 'Fraunces', serif; font-style: italic; font-weight: 400; font-size: 1.28rem; color: var(--bone); line-height: 1.55; }
.article-body code { font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace; font-size: 0.85em; background: rgba(255,255,255,0.06); color: var(--sand-hi); padding: 0.15em 0.4em; border-radius: 5px; }
.article-body pre { background: var(--ink-2); border: 1px solid var(--line); border-radius: 12px; padding: 1.1rem 1.3rem; overflow-x: auto; }
.article-body pre code { background: none; padding: 0; color: var(--bone-dim); font-size: 0.84rem; }
.article-divider { max-width: 720px; margin: clamp(3rem, 7vw, 5rem) auto 0; height: 1px; background: var(--line); }
.related { max-width: 720px; margin-inline: auto; }
.related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin-top: 1.6rem; }
@media (max-width: 600px) { .related-grid { grid-template-columns: 1fr; } }
.related-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; transition: border-color 0.4s var(--ease), transform 0.5s var(--ease); }
.related-card:hover { border-color: rgba(200,184,154,0.32); transform: translateY(-4px); }
.related-card .cat { font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--sand); }
.related-card h3 { font-family: 'Fraunces', serif; font-size: 1.18rem; font-weight: 600; line-height: 1.2; margin-top: 0.6rem; }