/* =========================================================
   Indus Climate Fund — "The Basin"
   Palette: deep river ink, Indus teal, alluvial silt, leaf, limestone
   Type: Fraunces (display) · Inter (body) · IBM Plex Mono (data labels)
   ========================================================= */

:root {
  --ink:    #07322C;   /* deep river teal — primary dark */
  --ink-2:  #0B3F38;   /* slightly lifted ink for panels */
  --river:  #168A78;   /* Indus teal — primary accent */
  --river-bright: #2BB89F;
  --silt:   #C68A3E;   /* alluvial silt gold — warm accent */
  --leaf:   #6E9A4C;   /* restoration green — used sparingly */
  --paper:  #F1EEE4;   /* warm limestone — base */
  --paper-2:#E9E5D7;   /* deeper limestone */
  --stone:  #D8D3C4;   /* dividers / borders */
  --ink-soft: rgba(7, 50, 44, 0.78);
  --paper-soft: rgba(241, 238, 228, 0.74);

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --container: 1200px;
  --pad-section: clamp(4.5rem, 9vw, 8.5rem);
  --radius: 14px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

/* skip link — visually hidden until keyboard focus */
.skip-link {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; border: 0;
}
.skip-link:focus {
  position: fixed !important; top: 1rem !important; left: 1rem !important; z-index: 100;
  width: auto !important; height: auto !important; margin: 0 !important;
  clip: auto !important; clip-path: none !important; overflow: visible !important;
  background: var(--ink); color: var(--paper);
  padding: 0.7rem 1.1rem !important; border-radius: 8px; text-decoration: none;
  font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.08em;
}

/* mobile menu backdrop + scroll lock */
.nav-backdrop {
  position: fixed; inset: 0; z-index: 45;
  background: rgba(7, 50, 44, 0.5); backdrop-filter: blur(2px);
  opacity: 0; transition: opacity 0.4s var(--ease);
}
.nav-backdrop.is-visible { opacity: 1; }
body.menu-open { overflow: hidden; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: clamp(1.25rem, 4vw, 2.5rem); }
.section { padding-block: var(--pad-section); position: relative; }

/* ---------- typography helpers ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--river);
  margin: 0 0 1.1rem;
  display: inline-flex; align-items: center; gap: 0.6rem;
}
.eyebrow::before {
  content: ""; width: 1.6rem; height: 1px; background: currentColor; opacity: 0.7;
}
.eyebrow--light { color: var(--silt); }

.section-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.9rem, 3.6vw, 3.05rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 0;
  text-wrap: balance;
}
.section-head { max-width: 34ch; }
.section-head--center { max-width: 40ch; margin-inline: auto; text-align: center; }
.section-head--center .eyebrow::before { display: none; }
.section-head--center .eyebrow { justify-content: center; }

/* ---------- buttons ---------- */
.btn {
  --btn-bg: var(--ink); --btn-fg: var(--paper);
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase;
  text-decoration: none;
  padding: 0.95rem 1.7rem;
  background: var(--btn-bg); color: var(--btn-fg);
  border-radius: 100px;
  position: relative; overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
  isolation: isolate;
}
.btn::after {
  content: "↗"; font-family: var(--font-body); transition: transform 0.4s var(--ease);
}
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--river); transform: translateY(101%);
  transition: transform 0.45s var(--ease);
}
.btn:hover { transform: translateY(-3px); box-shadow: 0 14px 30px -14px rgba(7,50,44,0.5); }
.btn:hover::before { transform: translateY(0); }
.btn:hover::after { transform: translate(3px, -3px); }
.btn--paper { --btn-bg: var(--paper); --btn-fg: var(--ink); }
.btn--paper::before { background: var(--silt); }
.btn--river { --btn-bg: var(--river); --btn-fg: var(--paper); }
.btn--river::before { background: var(--ink); }

/* ---------- river thread (scroll progress) ---------- */
.river-thread {
  position: fixed; top: 0; left: clamp(10px, 2.2vw, 26px);
  width: 2px; height: 100vh; z-index: 40;
  background: linear-gradient(var(--stone), transparent);
  pointer-events: none;
}
.river-thread__fill {
  display: block; width: 100%; height: var(--progress, 0%);
  background: linear-gradient(var(--river-bright), var(--river));
  box-shadow: 0 0 12px rgba(43,184,159,0.6);
  transition: height 0.1s linear;
}

/* ---------- header ---------- */
.site-header {
  position: fixed; top: 0; inset-inline: 0; z-index: 50;
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(241,238,228,0.86);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--stone);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; min-height: 76px; }
.brand { display: inline-flex; align-items: center; gap: 0.7rem; text-decoration: none; color: var(--paper); }
.brand img { border-radius: 8px; }
.brand__name { font-family: var(--font-display); font-size: 1.08rem; font-weight: 500; letter-spacing: -0.01em; }
.site-header.is-scrolled .brand,
.site-header.is-scrolled .nav__link { color: var(--ink); }

.nav { display: flex; align-items: center; gap: clamp(1rem, 2.2vw, 2.1rem); }
.nav__link {
  color: var(--paper); text-decoration: none; font-size: 0.92rem; font-weight: 500;
  position: relative; padding-block: 4px; transition: color 0.3s var(--ease);
}
.nav__link::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1.5px; width: 0;
  background: var(--river-bright); transition: width 0.35s var(--ease);
}
.nav__link:hover::after, .nav__link.is-current::after { width: 100%; }
.nav__cta {
  color: var(--paper); text-decoration: none; font-family: var(--font-mono);
  font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase;
  border: 1px solid rgba(241,238,228,0.5); padding: 0.55rem 1.1rem; border-radius: 100px;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.nav__cta:hover { background: var(--river); border-color: var(--river); color: var(--paper); }
.site-header.is-scrolled .nav__cta { color: var(--ink); border-color: var(--stone); }
.site-header.is-scrolled .nav__cta:hover { color: var(--paper); border-color: var(--river); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 10px; min-width: 44px; min-height: 44px; align-items: center; justify-content: center; }
.nav-toggle span { width: 26px; height: 2px; background: var(--paper); transition: transform 0.35s var(--ease), opacity 0.25s var(--ease); transform-origin: center; }
.site-header.is-scrolled .nav-toggle span { background: var(--ink); }
.nav-toggle[aria-expanded="true"] span { background: var(--paper); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.site-header.is-scrolled .nav-toggle[aria-expanded="true"] span { background: var(--paper); }

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 100svh;
  background: radial-gradient(130% 100% at 50% -10%, var(--ink-2), var(--ink) 68%);
  color: var(--paper);
  display: flex; flex-direction: column; justify-content: center;
  padding: calc(76px + 3.5rem) 0 6rem;
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; pointer-events: none; }
.hero__glow {
  position: absolute; left: 58%; top: 26%; width: 78vmax; height: 78vmax;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle at center, rgba(43,184,159,0.20), rgba(43,184,159,0) 60%);
  animation: breathe 16s ease-in-out infinite;
}
@keyframes breathe {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.7; }
  50% { transform: translate(-53%, -46%) scale(1.14); opacity: 1; }
}
.currents { position: absolute; inset: 0; width: 100%; height: 100%; }
.cur { fill: none; stroke-linecap: round; will-change: transform; }
.l1 { stroke: var(--river); stroke-width: 1.4; opacity: 0.10; animation: flowR 34s linear infinite; }
.l2 { stroke: var(--silt); stroke-width: 1.2; opacity: 0.09; animation: flowL 26s linear infinite; }
.l3 { stroke: var(--river-bright); stroke-width: 1.4; opacity: 0.11; animation: flowR 42s linear infinite; }
.l4 { stroke: var(--river); stroke-width: 1.7; opacity: 0.09; animation: flowL 22s linear infinite; }
.l5 { stroke: var(--river-bright); stroke-width: 2.1; opacity: 0.18; filter: drop-shadow(0 0 6px rgba(43,184,159,0.55)); animation: flowR 18s linear infinite; }
@keyframes flowR { from { transform: translateX(0); } to { transform: translateX(480px); } }
@keyframes flowL { from { transform: translateX(0); } to { transform: translateX(-480px); } }
.hero__veil {
  position: absolute; inset: 0;
  background:
    radial-gradient(120% 80% at 50% 42%, transparent 48%, rgba(7,50,44,0.38)),
    linear-gradient(to bottom, rgba(7,50,44,0.28) 0%, rgba(7,50,44,0) 32%, rgba(7,50,44,0.55) 100%);
}

.hero__inner { position: relative; z-index: 2; width: 100%; }
.hero__eyebrow { color: var(--silt); opacity: 0; }
.hero__title {
  font-family: var(--font-display); font-weight: 300;
  font-size: clamp(2.4rem, 6vw, 5.2rem);
  line-height: 1.05; letter-spacing: -0.025em;
  margin: 0 0 2.2rem; max-width: 17ch;
}
.hero__title .line { display: block; overflow: hidden; }
.hero__title .line > span { display: block; transform: translateY(110%); }
.hero__actions { display: flex; align-items: center; gap: 1.6rem; flex-wrap: wrap; opacity: 0; }
.hero__textlink {
  color: var(--paper); text-decoration: none; font-family: var(--font-mono);
  font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 0.5rem; opacity: 0.85;
  transition: opacity 0.3s var(--ease);
}
.hero__textlink span { transition: transform 0.3s var(--ease); }
.hero__textlink:hover { opacity: 1; }
.hero__textlink:hover span { transform: translateX(4px); }

.hero__scroll {
  position: absolute; left: 50%; bottom: 1.6rem; transform: translateX(-50%);
  z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 0.65rem;
  text-decoration: none; color: var(--paper-soft);
}
.hero__scroll-label { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.22em; text-transform: uppercase; }
.hero__scroll-track { width: 1px; height: 44px; background: rgba(241,238,228,0.28); position: relative; overflow: hidden; }
.hero__scroll-track::after {
  content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 45%;
  background: var(--river-bright); animation: scrollDown 2.1s ease-in-out infinite;
}
@keyframes scrollDown { 0% { transform: translateY(-110%); } 60%, 100% { transform: translateY(230%); } }

/* ---------- shared subpage hero ---------- */
.page-hero {
  position: relative; overflow: hidden;
  background: radial-gradient(130% 100% at 50% -10%, var(--ink-2), var(--ink) 68%);
  color: var(--paper);
  padding: calc(76px + clamp(3.5rem, 8vw, 6rem)) 0 clamp(3.5rem, 8vw, 6rem);
}
.page-hero__inner { position: relative; z-index: 2; }
.page-hero .hero__eyebrow { color: var(--silt); opacity: 1; }
.page-hero__title {
  font-family: var(--font-display); font-weight: 300;
  font-size: clamp(2.7rem, 7vw, 5rem); line-height: 1.04; letter-spacing: -0.03em;
  margin: 0 0 1.5rem;
}
.page-hero__lead {
  font-size: clamp(1.1rem, 2vw, 1.4rem); line-height: 1.6;
  color: var(--paper-soft); max-width: 48ch; margin: 0;
}

/* ---------- about ---------- */
.about__grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.about .section-head { position: sticky; top: 110px; }
.about__body p { margin: 0 0 1.4rem; color: var(--ink-soft); max-width: 60ch; }
.about__body p:first-child { font-size: 1.2rem; color: var(--ink); line-height: 1.6; }

/* ---------- approach ---------- */
.approach { background: var(--paper-2); }
.approach__list { list-style: none; margin: clamp(2.5rem,5vw,4rem) 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.approach-card {
  background: var(--paper); border: 1px solid var(--stone); border-radius: var(--radius);
  padding: 2rem 1.8rem 2.2rem; position: relative;
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), border-color 0.5s var(--ease);
}
.approach-card::before {
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 0; border-radius: 3px 3px 0 0;
  background: var(--river); transition: width 0.5s var(--ease);
}
.approach-card:hover { transform: translateY(-6px); box-shadow: 0 24px 44px -28px rgba(7,50,44,0.45); border-color: transparent; }
.approach-card:hover::before { width: 100%; }
.approach-card:nth-child(2)::before { background: var(--leaf); }
.approach-card:nth-child(3)::before { background: var(--silt); }
.approach-card__num { font-family: var(--font-mono); font-size: 0.85rem; color: var(--river); letter-spacing: 0.1em; }
.approach-card:nth-child(2) .approach-card__num { color: var(--leaf); }
.approach-card:nth-child(3) .approach-card__num { color: var(--silt); }
.approach-card__title { font-family: var(--font-display); font-weight: 500; font-size: 1.4rem; margin: 0.8rem 0 0.9rem; letter-spacing: -0.01em; }
.approach-card p { margin: 0; color: var(--ink-soft); font-size: 0.98rem; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--ink); color: var(--paper); text-align: center; overflow: hidden; }
.cta-band__inner { display: flex; flex-direction: column; align-items: center; gap: 1.4rem; }
.cta-band__title { font-family: var(--font-display); font-weight: 300; font-size: clamp(1.9rem, 4.4vw, 3.4rem); margin: 0; letter-spacing: -0.02em; max-width: 18ch; }

/* ---------- background ---------- */
.background__grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.background .section-head { position: sticky; top: 110px; }
.background__label { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--river); margin: 1.4rem 0 0; }
.background__body > p { color: var(--ink-soft); margin: 0; }
.background__body a { color: var(--ink); text-decoration: none; border-bottom: 1.5px solid var(--silt); transition: background 0.3s var(--ease); padding-bottom: 1px; }
.background__body a:hover { background: rgba(198,138,62,0.16); }

.stat-strip { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--stone); border: 1px solid var(--stone); border-radius: var(--radius); overflow: hidden; margin: 0 0 2.4rem; padding: 0; }
.stat-strip li { background: var(--paper); padding: 1.5rem 1.4rem; display: flex; flex-direction: column; gap: 0.4rem; }
.stat-strip__value { font-family: var(--font-display); font-weight: 400; font-size: clamp(1.9rem, 4vw, 2.7rem); line-height: 1; color: var(--ink); letter-spacing: -0.02em; }
.stat-strip__label { font-size: 0.85rem; color: var(--ink-soft); line-height: 1.4; }

/* ---------- partners ---------- */
.partners__intro { color: var(--ink-soft); margin: 1.4rem 0 0; max-width: 52ch; }
.partners__figure { margin: clamp(2.5rem,5vw,3.5rem) 0; border-radius: var(--radius); overflow: hidden; position: relative; }
.partners__figure img { width: 100%; height: clamp(260px, 42vw, 460px); object-fit: cover; transition: transform 1.1s var(--ease); }
.partners__figure:hover img { transform: scale(1.04); }
.partners__figure::after { content: ""; position: absolute; inset: 0; background: linear-gradient(160deg, transparent 55%, rgba(7,50,44,0.28)); }

.partners__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.partner-card {
  background: var(--paper); border: 1px solid var(--stone); border-radius: var(--radius); padding: 1.9rem 1.7rem;
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), border-color 0.5s var(--ease);
}
.partner-card:hover { transform: translateY(-6px); box-shadow: 0 24px 44px -28px rgba(7,50,44,0.45); border-color: var(--river); }
.partner-card--wide { grid-column: 1 / -1; }
.partner-card__kicker { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--silt); margin: 0 0 0.7rem; }
.partner-card__title { font-family: var(--font-display); font-weight: 500; font-size: 1.45rem; margin: 0 0 0.9rem; letter-spacing: -0.01em; }
.partner-card__title a { text-decoration: none; display: inline-flex; align-items: baseline; gap: 0.3rem; }
.partner-card__title .arrow { color: var(--river); font-size: 0.85em; transition: transform 0.3s var(--ease); }
.partner-card__title a:hover .arrow { transform: translate(2px,-2px); }
.partner-card p { margin: 0; color: var(--ink-soft); font-size: 0.97rem; }

.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem 2rem; margin: 0.4rem 0 0; }
.pillars dt { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--river); margin-bottom: 0.5rem; }
.pillars dd { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

/* ---------- closing ---------- */
.closing { background: var(--paper-2); }
.closing__inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.closing__text { font-family: var(--font-display); font-weight: 400; font-size: clamp(1.5rem, 3vw, 2.3rem); margin: 0; letter-spacing: -0.015em; max-width: 22ch; }

/* ---------- footer ---------- */
.site-footer { background: var(--ink); color: var(--paper); padding-block: clamp(3rem, 6vw, 4.5rem); }
.site-footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.brand--footer { color: var(--paper); }
.footer-nav { display: flex; gap: clamp(1rem,2.5vw,2rem); flex-wrap: wrap; }
.footer-nav a { color: var(--paper-soft); text-decoration: none; font-size: 0.92rem; transition: color 0.3s var(--ease); }
.footer-nav a:hover { color: var(--river-bright); }
.site-footer__copy { font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.08em; color: var(--paper-soft); margin: 0; width: 100%; padding-top: 1.5rem; border-top: 1px solid rgba(241,238,228,0.14); }

/* ---------- reveal animations ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.in-view { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.1s; }
.reveal[data-delay="2"] { transition-delay: 0.2s; }
.reveal[data-delay="3"] { transition-delay: 0.3s; }
.reveal[data-delay="4"] { transition-delay: 0.4s; }

/* hero load sequence (runs on .loaded) */
.loaded .hero__eyebrow { animation: heroFade 0.8s var(--ease) 0.1s forwards; }
.loaded .hero__title .line > span { animation: rise 1s var(--ease) forwards; }
.loaded .hero__title .line:nth-child(1) > span { animation-delay: 0.25s; }
.loaded .hero__title .line:nth-child(2) > span { animation-delay: 0.4s; }
.loaded .hero__title .line:nth-child(3) > span { animation-delay: 0.55s; }
.loaded .hero__actions { animation: heroFade 0.8s var(--ease) 0.85s forwards; }
@keyframes rise { to { transform: translateY(0); } }
@keyframes heroFade { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ---------- responsive ---------- */
@media (max-width: 920px) {
  .about__grid, .background__grid { grid-template-columns: 1fr; }
  .about .section-head, .background .section-head { position: static; }
  .approach__list, .partners__grid { grid-template-columns: 1fr 1fr; }
  .stat-strip { grid-template-columns: 1fr 1fr; }
  .partner-card--wide .pillars { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav-toggle { display: flex; z-index: 60; }
  .nav {
    position: fixed; top: 0; right: 0; bottom: auto; left: auto;
    height: 100vh; height: 100dvh; width: min(82vw, 340px);
    flex-direction: column; align-items: flex-start; justify-content: center; gap: 0.4rem;
    background: var(--ink); padding: 2rem clamp(1.5rem, 6vw, 2.5rem);
    overflow-y: auto;
    transform: translateX(100%); transition: transform 0.45s var(--ease);
    box-shadow: -20px 0 60px -20px rgba(0,0,0,0.5);
  }
  .nav.is-open { transform: translateX(0); }
  .nav__link, .site-header.is-scrolled .nav__link { color: var(--paper); font-size: 1.2rem; display: flex; align-items: center; min-height: 48px; width: 100%; }
  .nav__cta, .site-header.is-scrolled .nav__cta { color: var(--paper); border-color: rgba(241,238,228,0.5); margin-top: 0.8rem; min-height: 48px; display: inline-flex; align-items: center; }
  .approach__list, .partners__grid, .pillars, .partner-card--wide .pillars { grid-template-columns: 1fr; }
  .stat-strip { grid-template-columns: 1fr; }
  .closing__inner { flex-direction: column; align-items: flex-start; }
  .site-footer__inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  :root { --pad-section: clamp(3.5rem, 12vw, 5rem); }
  body { font-size: 1rem; }
  .hero { min-height: 88svh; padding: calc(76px + 1.5rem) 0 3.5rem; }
  .hero__title { font-size: clamp(2.1rem, 8.8vw, 3rem); margin-bottom: 1.8rem; }
  .hero__actions { gap: 1.1rem; }
  .hero__scroll { display: none; }
  .brand__name { font-size: 1rem; }
  .approach-card, .partner-card { padding: 1.6rem 1.4rem; }
  .stat-strip li { padding: 1.3rem 1.2rem; }
  .btn { width: 100%; justify-content: center; }
  .cta-band__inner .btn, .hero .btn { width: auto; }
  .closing__inner .btn { width: 100%; }
}

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

/* ---------- focus visibility ---------- */
:focus-visible { outline: 2px solid var(--river-bright); outline-offset: 3px; border-radius: 2px; }