/* RAVIAA — Intelligent Path | moodboard-aligned tokens */
:root {
  --midnight: #101B33;
  --midnight-deep: #0a1224;
  --obsidian: #050608;
  --cloud: #F5F5F2;
  --titanium: #B8BCC2;
  --sand: #C9A878;
  --sand-deep: #a88858;
  --line: rgba(245, 245, 242, 0.12);
  --line-strong: rgba(201, 168, 120, 0.45);
  --radius: 2px;
  --container: min(1200px, calc(100vw - clamp(24px, 5vw, 64px)));
  --space: clamp(72px, 11vw, 140px);
  --header-h: 76px;
  --fast: 160ms;
  --base: 280ms;
  --slow: 560ms;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --fa: "Vazirmatn", Tahoma, sans-serif;
  --safe-b: env(safe-area-inset-bottom, 0px);
}

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

html {
  scroll-behavior: smooth;
  background: var(--obsidian);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  color: var(--cloud);
  background: var(--midnight);
  font-family: var(--fa);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; cursor: pointer; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.skip-link {
  position: fixed;
  inset-inline-start: 16px;
  top: -80px;
  z-index: 9999;
  padding: 12px 16px;
  background: var(--cloud);
  color: var(--midnight);
  border: 1px solid var(--sand);
  transition: top var(--fast) ease;
}
.skip-link:focus { top: 16px; }

.container { width: var(--container); margin-inline: auto; }

.section-dark { background: var(--midnight); }
.section-ink { background: var(--midnight-deep); }

.section-kicker {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  color: var(--sand);
  font-size: 0.8125rem;
  font-weight: 500;
}
.section-kicker .num {
  color: var(--titanium);
  font-variant-numeric: tabular-nums;
}

.section-head {
  max-width: 720px;
  margin-bottom: clamp(40px, 6vw, 72px);
}
.section-head h2 {
  margin: 0 0 16px;
  font-size: clamp(1.75rem, 4vw, 3rem);
  line-height: 1.25;
  font-weight: 600;
}
.section-head p {
  margin: 0;
  color: var(--titanium);
  font-size: 1.0625rem;
  max-width: 52ch;
}
.section-head-row {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  max-width: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  transition: transform var(--base) ease, background var(--base) ease, border-color var(--base) ease, color var(--base) ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: none; }
.btn-primary {
  background: var(--sand);
  color: var(--obsidian);
}
.btn-primary:hover { background: #d4b589; }
.btn-ghost {
  background: transparent;
  border-color: rgba(245, 245, 242, 0.28);
  color: var(--cloud);
}
.btn-ghost:hover { border-color: var(--sand); color: var(--sand); }

.text-link {
  color: var(--sand);
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.icon {
  width: 40px;
  height: 40px;
  fill: none;
  stroke: var(--sand);
  stroke-width: 1.4;
  stroke-linecap: square;
  stroke-linejoin: miter;
  flex-shrink: 0;
}

/* ——— Header ——— */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  background: rgba(10, 18, 36, 0.55);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: background var(--base) ease, border-color var(--base) ease;
}
.site-header[data-elevated="true"] {
  background: rgba(10, 18, 36, 0.92);
  border-bottom-color: var(--line);
}

.header-inner {
  min-height: var(--header-h);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
}

.brand { width: clamp(96px, 16vw, 120px); }
.brand img { width: 100%; filter: invert(1); }

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(16px, 2vw, 28px);
  flex-wrap: wrap;
}
.site-nav a {
  color: rgba(245, 245, 242, 0.72);
  font-size: 0.8125rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  transition: color var(--fast) ease;
}
.site-nav a:hover,
.site-nav a[aria-current="true"] { color: var(--cloud); }
.nav-cta {
  padding: 0 18px !important;
  min-height: 40px;
  background: var(--sand);
  border: 1px solid var(--sand) !important;
  color: var(--obsidian) !important;
  font-weight: 600;
  border-radius: 4px;
}
.nav-cta:hover {
  background: #d4b589 !important;
  color: var(--obsidian) !important;
}

.header-actions { display: flex; align-items: center; }
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-content: center;
  gap: 5px;
  border: 1px solid var(--line);
}
.menu-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--cloud);
  transition: transform var(--fast) ease, opacity var(--fast) ease;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ——— Hero ——— */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: calc(var(--header-h) + 32px);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

/* Local hero art; mirrored so dark sky sits under RTL copy */
.hero-photo {
  position: absolute;
  inset: 0;
  background: url("assets/hero.png") center / cover no-repeat;
  transform: scaleX(-1);
  filter: saturate(0.72) contrast(1.05) brightness(0.92);
}

/*
  Veil mirrors the reference: solid midnight field under copy (inline-start / right in RTL),
  soft fade into the mountain scene on the opposite side.
*/
.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      to left,
      rgba(10, 14, 28, 0.97) 0%,
      rgba(12, 18, 36, 0.92) 28%,
      rgba(16, 27, 51, 0.55) 52%,
      rgba(16, 27, 51, 0.22) 72%,
      rgba(16, 27, 51, 0.35) 100%
    ),
    linear-gradient(
      180deg,
      rgba(8, 12, 24, 0.55) 0%,
      transparent 28%,
      transparent 62%,
      rgba(8, 12, 24, 0.75) 100%
    );
}

/* Outline mark — behind copy, over photo */
.hero-mark {
  position: absolute;
  z-index: 1;
  inset-inline-end: max(-4%, calc((100vw - var(--container)) / 2 - 80px));
  top: calc(var(--header-h) - 6%);
  width: min(56vw, 620px);
  height: auto;
  aspect-ratio: 1;
  max-height: 68%;
  pointer-events: none;
  overflow: visible;
}

.mark-base {
  fill: none;
  opacity: 0.55;
}

.mark-flow {
  fill: none;
  opacity: 0.95;
}

.mark-flow-soft {
  opacity: 0.35;
}

.hero-shell {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  align-items: end;
  flex: 1;
  padding-bottom: clamp(36px, 5vw, 64px);
  width: var(--container);
  margin-inline: auto;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  padding-block: clamp(24px, 4vw, 48px);
}

.eyebrow {
  display: block;
  margin: 0 0 20px;
  color: var(--sand);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.hero h1 {
  margin: 0 0 22px;
  font-size: clamp(2rem, 4.6vw, 3.5rem);
  line-height: 1.22;
  font-weight: 700;
  max-width: 16ch;
  color: var(--cloud);
}
.hero-lede {
  margin: 0;
  max-width: 46ch;
  color: rgba(245, 245, 242, 0.7);
  font-size: clamp(0.9375rem, 1.3vw, 1.0625rem);
  line-height: 1.75;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}
.hero-actions .btn { gap: 10px; }
.hero-actions .btn-ghost {
  border-color: rgba(245, 245, 242, 0.45);
}

.partner-bar {
  position: relative;
  z-index: 2;
  border-top: 1px solid rgba(245, 245, 242, 0.1);
  background: rgba(5, 8, 16, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.partner-track {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 76px;
  overflow-x: auto;
  scrollbar-width: none;
}
.partner-track::-webkit-scrollbar { display: none; }
.partner {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(245, 245, 242, 0.62);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  white-space: nowrap;
  flex-shrink: 0;
  text-transform: uppercase;
}
.partner svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  opacity: 0.85;
  flex-shrink: 0;
}

/* ——— Vision ——— */
.vision {
  padding-block: clamp(88px, 14vw, 160px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
}
.vision-inner { max-width: 900px; margin-inline: auto; }
.vision h2 {
  margin: 0 0 36px;
  font-size: clamp(1.75rem, 4.5vw, 3.25rem);
  line-height: 1.35;
  font-weight: 500;
}
.vision-keywords {
  margin: 0;
  color: var(--sand);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
}

/* ——— About ——— */
.about { padding-block: var(--space); }
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(36px, 6vw, 80px);
  align-items: center;
}
.about-visual {
  position: relative;
  min-height: clamp(320px, 48vw, 560px);
}
.about-photo {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 40%, rgba(16, 27, 51, 0.65)),
    url("https://images.unsplash.com/photo-1501785888041-af3ef285b470?auto=format&fit=crop&w=1400&q=80") center/cover no-repeat;
  filter: saturate(0.5) brightness(0.85);
}
.frame-lines {
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(201, 168, 120, 0.4);
  pointer-events: none;
}
.about-copy h2 {
  margin: 0 0 20px;
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  line-height: 1.3;
}
.about-lead {
  margin: 0 0 36px;
  color: var(--titanium);
  font-size: 1.0625rem;
  max-width: 42ch;
}
.pillar-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.pillar {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.pillar h3 { margin: 0 0 8px; font-size: 1.0625rem; }
.pillar p { margin: 0; color: var(--titanium); font-size: 0.9375rem; }

/* ——— Capabilities ——— */
.capabilities { padding-block: var(--space); }
.cap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
}
.cap-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 320px;
  padding: 28px 24px;
  border-inline-end: 1px solid var(--line);
  transition: background var(--base) ease;
}
.cap-card:last-child { border-inline-end: 0; }
.cap-card:hover { background: rgba(245, 245, 242, 0.03); }
.cap-card h3 { margin: 8px 0 0; font-size: 1.25rem; }
.cap-card p { margin: 0; color: var(--titanium); flex: 1; font-size: 0.9375rem; }
.cap-card a {
  color: var(--sand);
  font-size: 0.8125rem;
  font-weight: 600;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
}

/* ——— Framework ——— */
.framework {
  padding-block: var(--space);
  border-top: 1px solid var(--line);
}
.fw-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
  margin-bottom: 40px;
}
.fw-steps::before {
  content: "";
  position: absolute;
  top: 22px;
  inset-inline: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--sand), transparent);
  opacity: 0.55;
}
.fw-steps li {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 12px;
}
.fw-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-inline: auto;
  margin-bottom: 18px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--midnight);
}
.fw-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--sand);
  stroke-width: 1.5;
}
.fw-steps strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1rem;
}
.fw-steps p {
  margin: 0;
  color: var(--titanium);
  font-size: 0.8125rem;
  line-height: 1.55;
}
.fw-enablers {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  justify-content: center;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.fw-enablers span {
  padding: 10px 16px;
  border: 1px solid var(--line);
  color: var(--titanium);
  font-size: 0.75rem;
}

/* ——— Project ——— */
.project { padding-block: var(--space); }
.project-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}
.project-visual {
  position: relative;
  min-height: clamp(300px, 42vw, 520px);
  overflow: hidden;
}
.project-photo {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 50%, rgba(5, 6, 8, 0.55)),
    url("https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&w=1400&q=80") center/cover no-repeat;
  filter: saturate(0.65) contrast(1.05);
}
.project-badge {
  position: absolute;
  top: 20px;
  inset-inline-start: 20px;
  padding: 8px 14px;
  background: rgba(5, 6, 8, 0.7);
  border: 1px solid var(--line-strong);
  color: var(--sand);
  font-size: 0.75rem;
}
.project-copy h2 {
  margin: 0 0 18px;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.3;
}
.project-copy > p {
  margin: 0 0 28px;
  color: var(--titanium);
  max-width: 42ch;
}
.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 0 0 32px;
  padding: 20px 0;
  border-block: 1px solid var(--line);
}
.stat-row dt {
  color: var(--titanium);
  font-size: 0.75rem;
  margin-bottom: 8px;
}
.stat-row dd {
  margin: 0;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 600;
  color: var(--sand);
  font-variant-numeric: tabular-nums;
}

/* ——— Impact ——— */
.impact { padding-block: var(--space); border-top: 1px solid var(--line); }
.impact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.impact-card {
  padding: 28px 24px;
  border: 1px solid var(--line);
  background: rgba(5, 6, 8, 0.25);
  min-height: 280px;
  display: flex;
  flex-direction: column;
}
.impact-label {
  margin: 0;
  color: var(--titanium);
  font-size: 0.8125rem;
}
.impact-value {
  margin: 12px 0 24px;
  font-size: clamp(2rem, 3vw, 2.75rem);
  font-weight: 600;
  line-height: 1;
}
.impact-value small {
  font-size: 0.875rem;
  color: var(--titanium);
  font-weight: 500;
}
.chart {
  margin-top: auto;
  width: 100%;
  color: var(--sand);
  max-height: 110px;
}
.chart-donut { max-width: 120px; margin-inline: auto 0; }

/* ——— Ecosystem ——— */
.ecosystem { padding-block: var(--space); }
.eco-map {
  position: relative;
  min-height: clamp(480px, 60vw, 560px);
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 50%, rgba(201, 168, 120, 0.06), transparent 42%),
    linear-gradient(180deg, rgba(245, 245, 242, 0.02), transparent);
  overflow: hidden;
}
.eco-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  stroke: rgba(201, 168, 120, 0.4);
  stroke-width: 1;
}
.eco-core {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  width: min(180px, 40vw);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  gap: 8px;
  background: rgba(5, 6, 8, 0.65);
  border: 1px solid var(--line-strong);
  clip-path: polygon(50% 4%, 93% 27%, 93% 73%, 50% 96%, 7% 73%, 7% 27%);
}
.eco-core img {
  width: 52px;
  filter: invert(1);
  opacity: 0.9;
}
.eco-core span {
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--sand);
}
.eco-node {
  position: absolute;
  z-index: 2;
  width: min(200px, 42vw);
  padding: 18px 20px;
  border: 1px solid var(--line);
  background: rgba(16, 27, 51, 0.88);
}
.eco-node strong { display: block; margin-bottom: 6px; font-size: 0.9375rem; }
.eco-node small { color: var(--titanium); font-size: 0.75rem; line-height: 1.45; }
.n1 { inset-inline-start: 6%; top: 12%; }
.n2 { inset-inline-end: 6%; top: 12%; }
.n3 { inset-inline-start: 6%; bottom: 12%; }
.n4 { inset-inline-end: 6%; bottom: 12%; }

/* ——— Quote ——— */
.quote-band {
  padding-block: clamp(80px, 12vw, 140px);
  border-block: 1px solid var(--line);
  text-align: center;
}
.quote-inner { max-width: 820px; margin-inline: auto; }
.quote-mark {
  display: block;
  font-size: 4rem;
  line-height: 1;
  color: var(--sand);
  margin-bottom: 8px;
}
.quote-band blockquote {
  margin: 0 0 28px;
  font-size: clamp(1.35rem, 3vw, 2.125rem);
  line-height: 1.55;
  font-weight: 500;
}
.quote-attr {
  margin: 0;
  color: var(--titanium);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
}

/* ——— Insights ——— */
.insights { padding-block: var(--space); }
.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.insight-card {
  border: 1px solid var(--line);
  background: rgba(5, 6, 8, 0.2);
  overflow: hidden;
  transition: transform var(--base) ease, border-color var(--base) ease;
}
.insight-card:hover {
  transform: translateY(-4px);
  border-color: rgba(201, 168, 120, 0.35);
}
.insight-thumb {
  aspect-ratio: 16 / 10;
  background-size: cover;
  background-position: center;
  filter: saturate(0.5) brightness(0.8);
}
.t1 { background-image: linear-gradient(135deg, rgba(16,27,51,.5), rgba(5,6,8,.3)), url("https://images.unsplash.com/photo-1497366216548-37526070297c?auto=format&fit=crop&w=900&q=70"); }
.t2 { background-image: linear-gradient(135deg, rgba(16,27,51,.5), rgba(5,6,8,.3)), url("https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&w=900&q=70"); }
.t3 { background-image: linear-gradient(135deg, rgba(16,27,51,.5), rgba(5,6,8,.3)), url("https://images.unsplash.com/photo-1500530855697-b586d89ba3ee?auto=format&fit=crop&w=900&q=70"); }
.insight-body { padding: 22px; }
.tag {
  display: inline-block;
  color: var(--sand);
  font-size: 0.75rem;
  margin-bottom: 12px;
}
.insight-body h3 {
  margin: 0 0 12px;
  font-size: 1.1875rem;
  line-height: 1.35;
}
.insight-body p {
  margin: 0 0 16px;
  color: var(--titanium);
  font-size: 0.9375rem;
}
.insight-body a {
  color: var(--cloud);
  font-size: 0.8125rem;
  font-weight: 600;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
}

/* ——— Contact ——— */
.contact {
  position: relative;
  padding-block: clamp(88px, 12vw, 160px);
  overflow: hidden;
}
.contact-media { position: absolute; inset: 0; }
.contact-photo {
  position: absolute;
  inset: 0;
  background: url("https://images.unsplash.com/photo-1497366811353-6870744d04b2?auto=format&fit=crop&w=1800&q=80") center/cover no-repeat;
  filter: saturate(0.4) brightness(0.55);
}
.contact-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(16, 27, 51, 0.92) 0%, rgba(16, 27, 51, 0.72) 55%, rgba(5, 6, 8, 0.55) 100%);
}
.contact-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: clamp(36px, 6vw, 80px);
  align-items: end;
}
.contact-copy h2 {
  margin: 0 0 18px;
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  line-height: 1.2;
  max-width: 14ch;
}
.contact-copy p {
  margin: 0 0 28px;
  color: var(--titanium);
  max-width: 40ch;
}
.contact-meta {
  display: grid;
  gap: 22px;
  padding: 28px;
  border: 1px solid var(--line);
  background: rgba(5, 6, 8, 0.35);
  backdrop-filter: blur(10px);
}
.contact-meta span {
  display: block;
  color: var(--titanium);
  font-size: 0.75rem;
  margin-bottom: 6px;
}
.contact-meta strong,
.contact-meta a {
  font-size: 1rem;
  font-weight: 500;
}
.contact-meta a:hover { color: var(--sand); }

/* ——— Footer ——— */
.site-footer {
  background: var(--obsidian);
  padding: 56px 0 calc(24px + var(--safe-b));
  border-top: 1px solid var(--line);
}
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  padding-bottom: 40px;
}
.footer-brand img {
  width: 132px;
  filter: invert(1);
  margin-bottom: 16px;
}
.footer-brand p {
  margin: 0;
  color: var(--titanium);
  font-size: 0.875rem;
  max-width: 36ch;
}
.footer-dna {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  align-content: start;
  max-width: 420px;
}
.footer-dna span {
  padding: 8px 12px;
  border: 1px solid var(--line);
  color: var(--titanium);
  font-size: 0.75rem;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: rgba(184, 188, 194, 0.55);
  font-size: 0.75rem;
}

/* ——— Motion ——— */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

:focus-visible {
  outline: 2px solid var(--sand);
  outline-offset: 3px;
}

/* ——— Responsive ——— */
@media (max-width: 1100px) {
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .cap-card:nth-child(2) { border-inline-end: 0; }
  .cap-card:nth-child(1),
  .cap-card:nth-child(2) { border-bottom: 1px solid var(--line); }
  .fw-steps { grid-template-columns: repeat(3, 1fr); gap: 28px 12px; }
  .fw-steps::before { display: none; }
  .fw-steps li:nth-child(4),
  .fw-steps li:nth-child(5) { grid-column: span 1; }
  .insight-grid { grid-template-columns: 1fr 1fr; }
  .insight-grid .insight-card:last-child { grid-column: 1 / -1; max-width: 520px; }
}

@media (max-width: 900px) {
  :root { --header-h: 68px; }
  .header-inner { grid-template-columns: 1fr auto; }
  .site-nav {
    position: fixed;
    top: var(--header-h);
    inset-inline: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 24px;
    background: rgba(10, 18, 36, 0.98);
    border-bottom: 1px solid var(--line);
    max-height: calc(100svh - var(--header-h));
    overflow-y: auto;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { font-size: 1rem; }
  .nav-cta { justify-content: center; margin-top: 8px; }
  .menu-toggle { display: grid; }

  .about-grid,
  .project-grid,
  .contact-grid { grid-template-columns: 1fr; }
  .hero-shell {
    grid-template-columns: 1fr;
  }
  .hero-mark {
    width: min(62vw, 360px);
    top: calc(var(--header-h) - 2%);
    inset-inline-end: 2%;
  }
  .mark-base { opacity: 0.4; }
  .impact-grid { grid-template-columns: 1fr; }
  .eco-map { min-height: auto; display: grid; gap: 12px; padding: 20px; }
  .eco-lines { display: none; }
  .eco-core,
  .eco-node {
    position: relative;
    inset: auto !important;
    transform: none;
    width: 100%;
    clip-path: none;
    aspect-ratio: auto;
    min-height: 0;
  }
  .eco-core {
    order: -1;
    padding: 28px;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 640px) {
  .hero-veil {
    background:
      linear-gradient(
        to top,
        rgba(10, 14, 28, 0.96) 0%,
        rgba(12, 18, 36, 0.78) 42%,
        rgba(16, 27, 51, 0.4) 70%,
        rgba(8, 12, 24, 0.55) 100%
      );
  }
  .hero-mark {
    width: min(70vw, 260px);
    top: 12%;
    inset-inline-end: 4%;
  }
  .mark-base { opacity: 0.32; }
  .mark-flow-soft { opacity: 0.22; }
  .hero h1 { max-width: none; }
  .hero-actions { display: grid; }
  .btn { width: 100%; }
  .partner { font-size: 0.625rem; }
  .cap-grid { grid-template-columns: 1fr; }
  .cap-card {
    border-inline-end: 0;
    border-bottom: 1px solid var(--line);
    min-height: 0;
  }
  .cap-card:last-child { border-bottom: 0; }
  .fw-steps { grid-template-columns: 1fr; text-align: start; }
  .fw-icon { margin-inline: 0; }
  .fw-steps li { text-align: start; padding: 0; display: grid; grid-template-columns: 44px 1fr; gap: 4px 14px; }
  .fw-icon { grid-row: 1 / 3; }
  .stat-row { grid-template-columns: 1fr; }
  .insight-grid { grid-template-columns: 1fr; }
  .insight-grid .insight-card:last-child { max-width: none; }
  .section-head-row { flex-direction: column; align-items: start; }
  .partner-track { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .btn:hover, .insight-card:hover { transform: none; }
  .mark-flow,
  .mark-flow-soft {
    opacity: 0;
  }
  .mark-base { opacity: 0.75; }
}