/* ============================================================
   SummitPeak Partners — Editorial Alpine
   ============================================================ */

:root {
  --paper:      #f3f0e9;   /* warm alpine paper          */
  --paper-2:    #ebe7dd;   /* slightly deeper panel      */
  --ink:        #1a1c20;   /* near-black ink             */
  --ink-soft:   #4a4d52;   /* muted body text            */
  --ink-faint:  #8c8a82;   /* captions / hairlines       */
  --accent:     #2f5d56;   /* deep glacier green-teal    */
  --gold:       #b78a35;   /* summit ochre               */
  --line:       #d3cdbf;   /* hairline rule              */

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Hanken Grotesk", -apple-system, BlinkMacSystemFont, sans-serif;

  --maxw: 1180px;
  --gutter: clamp(1.25rem, 5vw, 4.5rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3 { margin: 0; font-weight: 500; letter-spacing: -0.01em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; }

.serif-italic { font-family: var(--serif); font-style: italic; font-weight: 400; }

/* ---------- texture & backdrop ---------- */
.grain {
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  opacity: 0.04; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.topo {
  position: fixed;
  top: -4%; left: 0;
  width: 100%; height: 108%;
  z-index: 0;
  color: var(--ink);
  opacity: 0.06;
  pointer-events: none;
}

/* ---------- layout shell ---------- */
.site-head, main, .site-foot { position: relative; z-index: 1; }

main { display: block; }

.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(4.5rem, 11vw, 9rem) var(--gutter);
}

/* ---------- header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem var(--gutter);
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s var(--ease), background 0.4s var(--ease);
}
.site-head.scrolled { border-bottom-color: var(--line); }

.brand { display: flex; align-items: center; gap: 0.65rem; }
.brand-mark {
  width: 34px; height: 27px;
  fill: none; stroke: var(--accent); stroke-width: 2;
  stroke-linejoin: round; stroke-linecap: round;
}
.brand-name {
  font-family: var(--serif);
  font-weight: 500; font-size: 1.18rem; letter-spacing: -0.015em;
  line-height: 1; display: flex; flex-direction: column;
}
.brand-sub {
  font-family: var(--sans);
  font-size: 0.6rem; font-weight: 600; letter-spacing: 0.28em;
  text-transform: uppercase; color: var(--ink-faint);
  margin-top: 0.18rem;
}

.site-nav { display: flex; align-items: center; gap: clamp(1.2rem, 3vw, 2.4rem); }
.site-nav a {
  font-size: 0.82rem; font-weight: 500; letter-spacing: 0.02em;
  color: var(--ink-soft); position: relative; transition: color 0.25s;
}
.site-nav a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 0; bottom: -4px;
  width: 0; height: 1px; background: var(--ink);
  transition: width 0.3s var(--ease);
}
.site-nav a:not(.nav-cta):hover { color: var(--ink); }
.site-nav a:not(.nav-cta):hover::after { width: 100%; }
.nav-cta {
  padding: 0.5rem 1rem; border: 1px solid var(--ink);
  border-radius: 100px; color: var(--ink) !important;
  transition: background 0.25s, color 0.25s;
}
.nav-cta:hover { background: var(--ink); color: var(--paper) !important; }

/* ---------- hero ---------- */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(4rem, 13vh, 9rem) var(--gutter) clamp(3rem, 7vw, 5rem);
}
.hero-meta {
  display: flex; flex-wrap: wrap; gap: 0.7rem; align-items: center;
  font-size: 0.74rem; font-weight: 600; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--ink-faint);
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}
.hero-meta .dot { color: var(--gold); }

.hero-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.7rem, 8.5vw, 6.6rem);
  line-height: 0.98;
  letter-spacing: -0.025em;
  margin: 0;
}
.hero-title span { display: block; }

.hero-lede {
  max-width: 40ch;
  margin: clamp(1.8rem, 4vw, 2.6rem) 0 0;
  font-size: clamp(1.05rem, 1.6vw, 1.32rem);
  line-height: 1.55;
  color: var(--ink-soft);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2.4rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.85rem 1.6rem; border-radius: 100px;
  font-size: 0.9rem; font-weight: 600; letter-spacing: 0.01em;
  border: 1px solid var(--ink);
  transition: transform 0.25s var(--ease), background 0.25s, color 0.25s;
}
.btn:hover { transform: translateY(-2px); }
.btn-solid { background: var(--ink); color: var(--paper); }
.btn-solid:hover { background: var(--accent); border-color: var(--accent); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

/* ---------- stat bar ---------- */
.stats {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat {
  padding: 1.6rem 1.4rem 1.6rem 0;
  display: flex; flex-direction: column; gap: 0.35rem;
  border-left: 1px solid var(--line);
  padding-left: 1.4rem;
}
.stat:first-child { border-left: none; padding-left: 0; }
.stat-k {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--ink-faint);
}
.stat-v { font-family: var(--serif); font-size: 1.18rem; }

/* ---------- section heads ---------- */
.section-head { max-width: 62ch; margin-bottom: clamp(2.5rem, 6vw, 4rem); }
.eyebrow {
  display: inline-block;
  font-size: 0.74rem; font-weight: 600; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 1.1rem;
}
.eyebrow.light { color: var(--gold); }
.section-title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  line-height: 1.05; letter-spacing: -0.02em;
}
.section-intro {
  margin-top: 1.3rem; max-width: 52ch;
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--ink-soft);
}

/* ---------- cards ---------- */
.cards { display: grid; gap: 1.4rem; }
.cards.two { grid-template-columns: 1fr 1fr; }

.card {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: clamp(1.8rem, 3.4vw, 2.8rem);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 60px -36px rgba(26,28,32,0.45);
  border-color: var(--accent);
}
.card-tag {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--gold);
}
.card h3 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin: 0.7rem 0 0.9rem;
}
.card p { color: var(--ink-soft); }
.card-list {
  list-style: none; padding: 0; margin: 1.6rem 0 0;
  border-top: 1px solid var(--line);
}
.card-list li {
  padding: 0.7rem 0 0.7rem 1.4rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem; position: relative;
}
.card-list li::before {
  content: "▲"; position: absolute; left: 0; top: 0.78rem;
  font-size: 0.6rem; color: var(--accent);
}

/* ---------- approach / principles ---------- */
.approach { border-top: 1px solid var(--line); }
.principles {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
}
.principle { border-top: 2px solid var(--ink); padding-top: 1.3rem; }
.principle-no {
  font-family: var(--serif); font-style: italic;
  font-size: 1.1rem; color: var(--gold);
}
.principle h3 {
  font-family: var(--serif); font-weight: 500;
  font-size: 1.45rem; margin: 0.5rem 0 0.7rem;
}
.principle p { color: var(--ink-soft); font-size: 0.97rem; }

/* ---------- focus list ---------- */
.focus-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.focus-list li {
  display: grid;
  grid-template-columns: 4rem 1fr 1.4fr;
  align-items: baseline; gap: 1.5rem;
  padding: clamp(1.4rem, 3vw, 2.1rem) 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.35s var(--ease), background 0.35s;
}
.focus-list li:hover { padding-left: 1rem; background: var(--paper-2); }
.focus-idx {
  font-family: var(--serif); font-style: italic;
  font-size: 0.95rem; color: var(--accent);
}
.focus-name {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(1.4rem, 3vw, 2rem); letter-spacing: -0.01em;
}
.focus-desc { color: var(--ink-soft); font-size: 0.95rem; }

/* ---------- contact ---------- */
.contact {
  max-width: none;
  background: var(--ink);
  color: var(--paper);
  margin-top: clamp(2rem, 5vw, 4rem);
}
.contact-inner { max-width: var(--maxw); margin: 0 auto; text-align: center; }
.contact-title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(2.6rem, 7vw, 5rem); line-height: 1;
  letter-spacing: -0.02em; margin-top: 1rem;
}
.contact-lede {
  margin: 1.4rem auto 2.4rem; max-width: 38ch;
  color: #c9c6bd; font-size: 1.1rem;
}
.contact-mail {
  font-family: var(--serif); font-style: italic;
  font-size: clamp(1.4rem, 4vw, 2.6rem);
  color: var(--paper);
  border-bottom: 1px solid color-mix(in srgb, var(--paper) 40%, transparent);
  padding-bottom: 0.2rem;
  transition: color 0.3s, border-color 0.3s;
}
.contact-mail:hover { color: var(--gold); border-color: var(--gold); }

/* ---------- footer ---------- */
.site-foot {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(3rem, 6vw, 4.5rem) var(--gutter);
  display: grid; gap: 2rem;
  grid-template-columns: auto 1fr;
  align-items: start;
}
.foot-brand { display: flex; align-items: center; gap: 0.6rem; }
.foot-legal {
  grid-column: 2; text-align: right;
  color: var(--ink-soft); font-size: 0.86rem; line-height: 1.5;
}
.foot-legal p { margin: 0 0 0.4rem; }
.foot-copy {
  grid-column: 1 / -1;
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 1.4rem; border-top: 1px solid var(--line);
  font-size: 0.78rem; letter-spacing: 0.04em; color: var(--ink-faint);
}
.foot-copy a { transition: color 0.25s; }
.foot-copy a:hover { color: var(--ink); }

/* ---------- reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: calc(var(--d, 0) * 90ms);
}
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 880px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { border-left: none; padding-left: 0; }
  .stat { border-top: 1px solid var(--line); }
  .stat:nth-child(-n+2) { border-top: none; }
  .cards.two { grid-template-columns: 1fr; }
  .principles { grid-template-columns: 1fr; gap: 0; }
  .principle { border-top: 1px solid var(--line); padding: 1.4rem 0; }
  .principle:first-child { border-top: 2px solid var(--ink); }
  .focus-list li { grid-template-columns: 3rem 1fr; }
  .focus-desc { grid-column: 2; }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .site-nav { gap: 1rem; }
  .site-nav a:not(.nav-cta) { display: none; }
  .stats { grid-template-columns: 1fr; }
  .stat { border-left: none; padding-left: 0; border-top: 1px solid var(--line); }
  .stat:first-child { border-top: none; }
  .site-foot { grid-template-columns: 1fr; }
  .foot-legal { grid-column: 1; text-align: left; }
}