/* =========================================================================
   General Horizon — Strategic Advisory
   Single-page site. Design tokens first, then components, then responsive.
   ========================================================================= */

/* ------------------------------------------------------------------ Tokens */
:root {
  /* Palette */
  --navy:        #16202e;
  --navy-deep:   #0c131f;
  --ink:         #1b2533;
  --ivory:       #f7f4ee;
  --ivory-warm:  #f1ece2;
  --beige:       #e8e0d3;
  --line:        #ddd4c6;
  --line-soft:   rgba(27, 37, 51, 0.10);
  --slate:       #5e6878;
  --slate-soft:  #8a93a1;
  --copper:      #e26a1f;
  --copper-deep: #c4561a;
  --amber:       #f4a258;

  /* On-dark */
  --on-dark:        #f5f1ea;
  --on-dark-soft:   rgba(245, 241, 234, 0.66);
  --on-dark-faint:  rgba(245, 241, 234, 0.16);

  /* Type */
  --serif: "Fraunces", "Georgia", "Times New Roman", serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Spacing scale */
  --s-1: 0.5rem;
  --s-2: 1rem;
  --s-3: 1.5rem;
  --s-4: 2.5rem;
  --s-5: 4rem;
  --s-6: 6rem;
  --s-7: 9rem;

  /* Layout */
  --maxw: 1180px;
  --gutter: clamp(1.25rem, 5vw, 4.5rem);

  /* Borders & motion */
  --radius: 4px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --t-fast: 0.25s var(--ease);
  --t-med:  0.5s var(--ease);
  --t-slow: 0.9s var(--ease);
}

/* ------------------------------------------------------------------- Reset */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--sans);
  font-weight: 400;
  color: var(--ink);
  background: var(--ivory);
  line-height: 1.65;
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.075rem);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, p { margin: 0; }

/* ----------------------------------------------------------- Shared layout */
.shell { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }

.eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--copper);
  margin: 0 0 var(--s-3);
  display: flex;
  align-items: center;
  gap: 0.85rem;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--copper);
  opacity: 0.7;
}

.section-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 1.2rem + 2.6vw, 3.1rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--navy);
  max-width: 18ch;
}
.section-lede {
  margin-top: var(--s-3);
  max-width: 56ch;
  color: var(--slate);
  font-size: 1.075rem;
}

/* Reveal-on-scroll */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity var(--t-slow), transform var(--t-slow);
  will-change: opacity, transform;
}
[data-reveal].is-visible { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: 0.08s; }
[data-reveal][data-delay="2"] { transition-delay: 0.16s; }
[data-reveal][data-delay="3"] { transition-delay: 0.24s; }
[data-reveal][data-delay="4"] { transition-delay: 0.32s; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ============================================================ Header / nav */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-2);
  padding: clamp(1rem, 2.2vw, 1.6rem) var(--gutter);
  color: var(--on-dark);
  transition: background var(--t-med), color var(--t-med), box-shadow var(--t-med), padding var(--t-med);
}
.site-header.is-scrolled {
  /* More opaque + no saturation boost so warm hero pixels can't bleed through
     as a copper cast during the transition. Soft elevation shadow instead of a
     hard 1px line, so there is no dark strip below the bar. */
  background: rgba(247, 244, 238, 0.93);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: var(--ink);
  box-shadow: 0 10px 30px -18px rgba(12, 19, 31, 0.18);
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}

/* Full horizontal lockup, cross-fading between light/dark on scroll (no layout shift) */
.brand { position: relative; display: inline-flex; align-items: center; }
.brand__logo {
  display: block;
  height: clamp(42px, 4vw, 54px);
  width: auto;
  transition: opacity var(--t-med);
}
.brand__logo--dark {
  position: absolute;
  top: 0; left: 0;
  opacity: 0;
}
.site-header.is-scrolled .brand__logo--light { opacity: 0; }
.site-header.is-scrolled .brand__logo--dark { opacity: 1; }

.nav { display: flex; align-items: center; gap: clamp(1rem, 2.2vw, 2rem); }
.nav__link {
  position: relative;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: inherit;
  opacity: 0.85;
  transition: opacity var(--t-fast);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-med);
}
.nav__link:hover { opacity: 1; }
.nav__link:hover::after { transform: scaleX(1); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  padding: 0.62rem 1.15rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  color: inherit;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}
.btn:hover { transform: translateY(-1px); }
.btn--ghost-light:hover { background: var(--on-dark); color: var(--navy); border-color: var(--on-dark); }
/* On the ivory scrolled header, render the CTA as a crisp solid navy pill (clearly clickable) */
.site-header.is-scrolled .btn--ghost-light {
  background: var(--navy);
  color: var(--ivory);
  border-color: var(--navy);
}
.site-header.is-scrolled .btn--ghost-light:hover { background: var(--copper); color: #fff; border-color: var(--copper); }

.nav__toggle { display: none; }

/* ================================================================== Hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  color: var(--on-dark);
  overflow: hidden;
  isolation: isolate;
}
.hero__canvas {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
}
/* Fallback gradient if canvas/JS unavailable */
.hero__fallback {
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(120% 110% at 64% 80%, rgba(216,126,60,0.30) 0%, rgba(194,104,48,0.19) 34%, rgba(156,84,42,0.08) 62%, transparent 86%),
    linear-gradient(150deg, #0a0e16 0%, #14121d 26%, #2a1c20 48%, #54331f 68%, #854a21 85%, #a85c27 100%);
}
.hero__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(8,13,21,0.58) 0%, rgba(8,13,21,0.0) 28%, rgba(8,13,21,0.0) 58%, rgba(8,13,21,0.16) 80%, rgba(8,13,21,0.06) 100%);
  pointer-events: none;
}
/* Subtle matte film grain — fine, low-contrast, felt more than noticed */
.hero__grain {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.05;
  pointer-events: none;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.hero__inner {
  width: 100%;
  padding-bottom: clamp(3.5rem, 9vh, 7rem);
  padding-top: 8rem;
}
.hero__headline {
  font-family: var(--serif);
  font-weight: 350;
  font-size: clamp(2.5rem, 1.1rem + 5.6vw, 5.4rem);
  line-height: 1.04;
  letter-spacing: -0.018em;
  max-width: 16ch;
  text-wrap: balance;
  text-shadow: 0 1px 26px rgba(6, 10, 16, 0.5);
}
.hero__headline .accent {
  color: var(--amber);
  font-style: italic;
  /* Composed editorial italic: high optical size, no wonky alternates or swashes */
  font-variation-settings: "opsz" 144, "wght" 430, "SOFT" 0, "WONK" 0;
  font-feature-settings: "swsh" 0, "salt" 0, "calt" 0;
  letter-spacing: 0;
}
.hero__headline .line { display: block; overflow: hidden; }
.hero__headline .line > span {
  display: block;
  transform: translateY(110%);
  animation: rise 1.1s var(--ease) forwards;
}
.hero__headline .line:nth-child(1) > span { animation-delay: 0.15s; }
.hero__headline .line:nth-child(2) > span { animation-delay: 0.30s; }
.hero__headline .line:nth-child(3) > span { animation-delay: 0.45s; }

.hero__sub {
  margin-top: var(--s-4);
  max-width: 52ch;
  font-size: clamp(1.02rem, 0.96rem + 0.4vw, 1.22rem);
  color: var(--on-dark-soft);
  opacity: 0;
  animation: fade 1s var(--ease) 0.7s forwards;
}
.hero__cta {
  margin-top: var(--s-4);
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  opacity: 0;
  animation: fade 1s var(--ease) 0.9s forwards;
}
.btn--solid {
  background: var(--copper);
  border-color: var(--copper);
  color: #fff;
  padding: 0.8rem 1.5rem;
}
.btn--solid:hover { background: var(--copper-deep); border-color: var(--copper-deep); }
.btn--link {
  border: none;
  border-radius: 0;
  padding: 0.8rem 0.2rem;
  color: var(--on-dark);
  border-bottom: 1px solid var(--on-dark-faint);
}
.btn--link:hover { border-bottom-color: var(--on-dark); }
.btn .arrow { transition: transform var(--t-fast); }
.btn:hover .arrow { transform: translateX(3px); }

.hero__foot {
  position: absolute;
  left: var(--gutter);
  bottom: 1.5rem;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--on-dark-soft);
  opacity: 0;
  animation: fade 1s var(--ease) 1.2s forwards;
}
.hero__foot .scroll-dot {
  width: 1px; height: 34px;
  background: linear-gradient(var(--on-dark-soft), transparent);
  animation: scrollPulse 2.4s ease-in-out infinite;
}

/* Quiet atmospheric brand detail — live NYC time */
.hero__clock {
  position: absolute;
  right: var(--gutter);
  bottom: 1.6rem;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--on-dark-soft);
  font-variant-numeric: tabular-nums;
  opacity: 0;
  animation: fade 1s var(--ease) 1.4s forwards;
}
.hero__clock time { font-variant-numeric: tabular-nums; }
.hero__clock-dot { color: var(--copper); font-size: 0.85em; }
@media (max-width: 520px) {
  .hero__clock { display: none; }
}

@keyframes rise { to { transform: translateY(0); } }
@keyframes fade { to { opacity: 1; } }
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(0.5); opacity: 0.4; transform-origin: top; }
  50% { transform: scaleY(1); opacity: 1; transform-origin: top; }
}
@media (prefers-reduced-motion: reduce) {
  .hero__headline .line > span,
  .hero__sub, .hero__cta, .hero__foot, .hero__clock { animation: none; opacity: 1; transform: none; }
}

/* ================================================================ Sections */
.section { padding-block: clamp(4.5rem, 11vh, var(--s-7)); }
.section--tight { padding-block: clamp(3.5rem, 8vh, 6rem); }
.divider { height: 1px; background: var(--line); border: 0; margin: 0; }

/* --- Profile --- */
.profile__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
/* Brand object card — abstract advisory mark, not a headshot placeholder */
.brandcard {
  position: relative;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1.5rem, 2.4vw, 2.15rem);
  background:
    radial-gradient(135% 80% at 88% 6%, rgba(22,32,46,0.07), transparent 58%),
    radial-gradient(120% 75% at 8% 104%, rgba(226,106,31,0.16), transparent 60%),
    linear-gradient(158deg, #fcf9f3 0%, #ece3d4 100%);
}
/* Faint fine-line texture */
.brandcard::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom, rgba(22,32,46,0.035) 0 1px, transparent 1px 13px);
  opacity: 0.6;
  mask-image: linear-gradient(180deg, transparent, #000 30% 70%, transparent);
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 30% 70%, transparent);
}
.brandcard__head { position: relative; display: flex; flex-direction: column; gap: 1rem; }
.brandcard__mark { width: clamp(82px, 38%, 142px); height: auto; }
.brandcard__tag {
  font-size: 0.66rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--copper);
}
.brandcard__foot { position: relative; }
.brandcard__horizon {
  position: relative;
  height: 1px;
  margin-bottom: 1.2rem;
  background: linear-gradient(90deg, transparent 0%, rgba(226,106,31,0.25) 14%, var(--copper) 52%, rgba(226,106,31,0.18) 86%, transparent 100%);
}
.brandcard__horizon::after {
  content: "";
  position: absolute;
  left: 0; right: 0; top: -6px;
  height: 13px;
  background: radial-gradient(58% 100% at 48% 50%, rgba(240,140,46,0.22), transparent 72%);
}
.brandcard__meta { display: flex; flex-direction: column; gap: 0.32rem; }
.brandcard__name {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.2rem, 1rem + 0.7vw, 1.55rem);
  line-height: 1.1;
  color: var(--navy);
}
.brandcard__loc {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
}
.profile__body p { margin-bottom: var(--s-3); color: var(--ink); }
.profile__body .profile__lead {
  font-family: var(--serif);
  font-size: clamp(1.2rem, 1rem + 0.9vw, 1.5rem);
  line-height: 1.45;
  font-weight: 400;
  color: var(--navy);
}
.profile__body p.profile__last { margin-bottom: 0; color: var(--slate); }
.profile__sign {
  margin-top: var(--s-4);
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  font-size: 0.85rem;
  color: var(--slate);
}
.profile__sign strong { font-weight: 600; color: var(--navy); letter-spacing: 0.02em; }

/* --- Capabilities --- */
.cap__head { max-width: var(--maxw); margin-bottom: var(--s-5); }
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.card {
  background: var(--ivory);
  padding: clamp(1.6rem, 2.4vw, 2.4rem);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  min-height: 230px;
  transition: background var(--t-med);
}
.card:hover { background: #fff; }
.card__no {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--copper);
  letter-spacing: 0.04em;
}
.card__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.35rem;
  line-height: 1.2;
  color: var(--navy);
}
.card__text { color: var(--slate); font-size: 0.97rem; }
.card__rule {
  margin-top: auto;
  width: 30px; height: 2px;
  background: var(--copper);
  transform: scaleX(1);
  transform-origin: left;
  opacity: 0.35;
  transition: width var(--t-med), opacity var(--t-med);
}
.card:hover .card__rule { width: 54px; opacity: 1; }

/* --- Situations --- */
.situations { background: var(--navy); color: var(--on-dark); }
.situations .eyebrow { color: var(--amber); }
.situations .eyebrow::before { background: var(--amber); }
.situations .section-title { color: var(--on-dark); }
.sit__grid {
  margin-top: var(--s-5);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--on-dark-faint);
}
.sit__item {
  display: flex;
  align-items: baseline;
  gap: 1.1rem;
  padding: 1.4rem 1.6rem 1.4rem 0;
  border-bottom: 1px solid var(--on-dark-faint);
  transition: padding-left var(--t-med), background var(--t-med);
}
.sit__item:nth-child(odd) { padding-left: 0; padding-right: 2rem; }
.sit__item:nth-child(even) { padding-left: 2rem; border-left: 1px solid var(--on-dark-faint); }
.sit__item:hover { background: rgba(245,241,234,0.03); }
.sit__no {
  font-family: var(--serif);
  font-size: 0.85rem;
  color: var(--amber);
  flex-shrink: 0;
  min-width: 1.6rem;
}
.sit__text { color: var(--on-dark); font-size: 1.05rem; opacity: 0.9; }

/* --- Closing --- */
.closing { text-align: center; }
.closing__title {
  font-family: var(--serif);
  font-weight: 350;
  font-size: clamp(2.2rem, 1.2rem + 4vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--navy);
  max-width: 16ch;
  margin-inline: auto;
}
.closing__sub {
  margin: var(--s-3) auto 0;
  max-width: 50ch;
  color: var(--slate);
  font-size: 1.1rem;
}
.closing__links {
  margin-top: var(--s-5);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
}
.linkcard {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  color: var(--navy);
  background: var(--ivory);
  transition: border-color var(--t-fast), background var(--t-fast), transform var(--t-fast), color var(--t-fast);
}
.linkcard:hover { transform: translateY(-2px); border-color: var(--navy); }
.linkcard--primary { background: var(--navy); color: var(--ivory); border-color: var(--navy); }
.linkcard--primary:hover { background: var(--copper); border-color: var(--copper); }
.linkcard svg { width: 17px; height: 17px; }

/* ================================================================== Footer */
.site-footer {
  background: var(--navy-deep);
  color: var(--on-dark);
  padding-block: clamp(3rem, 7vh, 5rem);
}
.footer__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--s-4);
}
.footer__brand { display: flex; align-items: center; }
.footer__mark { width: auto; height: 54px; opacity: 0.95; }
.footer__meta { text-align: right; }
.footer__meta .name { font-family: var(--serif); font-size: 1.3rem; color: var(--on-dark); }
.footer__meta .role { font-size: 0.78rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--on-dark-soft); margin-top: 0.3rem; }
.footer__rule { height: 1px; background: var(--on-dark-faint); margin: var(--s-4) 0; }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--s-2);
  font-size: 0.8rem;
  color: var(--on-dark-soft);
}
.footer__bottom .tagline { font-family: var(--serif); font-style: italic; color: var(--amber); opacity: 0.9; }
.footer__bottom a:hover { color: var(--on-dark); }

/* ============================================================== Responsive */
@media (max-width: 860px) {
  .profile__grid { grid-template-columns: 1fr; }
  .brandcard { max-width: 340px; }
  .cards { grid-template-columns: 1fr 1fr; }
  .sit__grid { grid-template-columns: 1fr; }
  .sit__item:nth-child(even) { padding-left: 0; border-left: none; }
  .sit__item:nth-child(odd) { padding-right: 0; }
}
@media (max-width: 620px) {
  .nav__desktop { display: none; }
  .nav__toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    color: inherit;
    background: none;
    border: 1px solid currentColor;
    border-radius: 999px;
    padding: 0.5rem 0.95rem;
  }
  .cards { grid-template-columns: 1fr; }
  .footer__top { flex-direction: column; align-items: flex-start; }
  .footer__meta { text-align: left; }

  /* Slide-down mobile panel */
  .nav__desktop.is-open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.1rem;
    position: absolute;
    top: 100%;
    right: var(--gutter);
    left: var(--gutter);
    margin-top: 0.6rem;
    padding: 1.4rem 1.5rem;
    background: var(--ivory);
    color: var(--ink);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 24px 60px rgba(12,19,31,0.18);
  }
  .nav__desktop.is-open .btn { color: var(--navy); }
}