/* ============================================================
   Subpage styles — extends site.css for the 5 product/service pages.
   Each page's distinctive moments are isolated under a page class:
     .page-ic1   .page-icebrain   .page-iceindex
     .page-data  .page-special
   ============================================================ */

/* ─── Crumbs ─────────────────────────────────────────────── */
.crumbs {
  padding: 24px var(--pad-x) 0;
  display: flex; gap: 8px; align-items: center;
  font-size: 12px; color: var(--type-mute);
}
.crumbs a:hover { color: var(--ink); }
.crumbs__current { color: var(--ink); }

/* ─── Shared subpage hero shell ──────────────────────────── */
.subhero {
  padding: 48px var(--pad-x) 80px;
  border-bottom: 1px solid var(--line);
}
.subhero__eyebrow {
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--type-mute); display: flex; align-items: center; gap: 10px;
}
.subhero__eyebrow::before {
  content: ''; width: 18px; height: 1px; background: currentColor; opacity: 0.6;
}
.subhero__title {
  font-family: var(--font-display);
  font-size: clamp(56px, 12vw, 152px);
  font-weight: 500; line-height: 0.92; letter-spacing: -0.035em;
  margin: 16px 0 0;
}
.subhero__sub {
  margin-top: 28px; font-size: clamp(17px, 1.5vw, 22px);
  max-width: 540px; line-height: 1.45; color: var(--type-mute);
}
.subhero__cta { margin-top: 36px; display: flex; gap: 12px; flex-wrap: wrap; }

/* ─── Section helpers ────────────────────────────────────── */
.subsection { padding: var(--section-pad-y) var(--pad-x); }
.subsection--alt { background: var(--paper-2);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.subsection--dark { background: var(--ink); color: var(--paper); }
.subsection__head { max-width: 720px; margin-bottom: 56px; }
.subsection__title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 500; letter-spacing: -0.03em;
  line-height: 1; margin-top: 16px;
}
.subsection__sub {
  margin-top: 18px; font-size: 17px; line-height: 1.55; color: var(--type-mute); max-width: 540px;
}
.subsection--dark .subsection__sub { color: rgba(242,244,243,0.7); }

/* ─── Generic three-column feature grid ──────────────────── */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 28px; min-height: 280px; display: flex; flex-direction: column;
}
.feature__num {
  font-family: ui-monospace, monospace; font-size: 12px; color: var(--type-mute);
}
.feature__title { font-size: 22px; font-weight: 500; letter-spacing: -0.015em; margin-top: 16px; }
.feature__desc { margin-top: 10px; font-size: 14px; line-height: 1.55; color: var(--type-mute); flex: 1; }
.feature--dark { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1); color: #fff; }
.feature--dark .feature__desc { color: rgba(242,244,243,0.7); }
.feature--dark .feature__num  { color: rgba(242,244,243,0.55); }

/* ─── Stat row (full-width metric line) ──────────────────── */
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
  padding-top: 28px; border-top: 1px solid var(--line); }
.stat-row--dark { border-top-color: rgba(255,255,255,0.18); }
.stat-row__num {
  font-family: var(--font-display); font-size: clamp(36px, 4.5vw, 56px);
  font-weight: 500; letter-spacing: -0.02em;
}
.stat-row__label { font-size: 13px; color: var(--type-mute); margin-top: 4px; }
.stat-row--dark .stat-row__label { color: rgba(242,244,243,0.7); }

/* ─── FAQ ────────────────────────────────────────────────── */
.faq { max-width: 880px; margin: 0 auto; }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__item:first-child { border-top: 1px solid var(--line); }
.faq__q {
  width: 100%; padding: 22px 0; background: transparent; border: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 24px;
  font-family: inherit; font-size: 18px; font-weight: 500; color: var(--ink);
  text-align: left;
}
.faq__icon { font-size: 22px; color: var(--type-mute); }
.faq__a {
  padding: 0 0 22px; font-size: 15px; line-height: 1.6; color: var(--type-mute);
  max-width: 720px;
}

/* ─── Cross-link block (X pairs with Y) ──────────────────── */
.crosslink {
  margin: 0 var(--pad-x); margin-bottom: var(--section-pad-y);
  border-radius: 24px; padding: 40px;
  background: #fff; border: 1px solid var(--line);
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 40px; align-items: center;
}
.crosslink--dark { background: var(--ink); color: var(--paper); border: none; }
.crosslink__media {
  background: var(--paper-2); border-radius: 16px; padding: 24px;
  display: flex; align-items: center; justify-content: center; min-height: 220px;
}
.crosslink--dark .crosslink__media { background: rgba(255,255,255,0.04); }
.crosslink__media img { max-width: 80%; max-height: 200px; object-fit: contain; }
.crosslink__eyebrow {
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--type-mute);
}
.crosslink--dark .crosslink__eyebrow { color: var(--steel-l); }
.crosslink__title {
  font-size: clamp(32px, 4vw, 52px); font-weight: 500;
  letter-spacing: -0.025em; margin-top: 8px;
}
.crosslink__desc {
  margin-top: 12px; font-size: 16px; line-height: 1.55; color: var(--type-mute); max-width: 500px;
}
.crosslink--dark .crosslink__desc { color: rgba(242,244,243,0.7); }
.crosslink__cta {
  margin-top: 22px; font-size: 14px; font-weight: 500;
  display: inline-flex; align-items: center; gap: 6px;
}
.crosslink__cta:hover { gap: 10px; transition: gap .15s; }

/* ─── Page contact CTA ───────────────────────────────────── */
.page-contact { padding: 96px var(--pad-x); background: var(--paper-2);
  border-top: 1px solid var(--line); }
.page-contact__inner {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: end;
}
.page-contact__title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 88px);
  font-weight: 500; letter-spacing: -0.03em; line-height: 0.98;
  margin-top: 16px;
}
.page-contact__body p {
  font-size: 17px; color: var(--type-mute); line-height: 1.5; max-width: 420px;
}
.page-contact__buttons { margin-top: 24px; display: flex; gap: 12px; flex-wrap: wrap; }

/* ============================================================
   PAGE-SPECIFIC STYLES
   ============================================================ */

/* ── IC-1 page ────────────────────────────────────────────── */
.page-ic1 .subhero { padding: 56px var(--pad-x) 0; border-bottom: none; }
.ic1-hero {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
  align-items: center; padding: 0 var(--pad-x) 96px;
}
.ic1-hero__stage {
  position: relative;
  background: radial-gradient(ellipse at 60% 50%, var(--ice) 0%, var(--paper) 70%);
  border-radius: 24px;
  aspect-ratio: 4 / 5; padding: 32px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.ic1-hero__stage img { max-width: 80%; max-height: 80%; object-fit: contain;
  filter: drop-shadow(0 30px 60px rgba(3,7,13,0.15)); }
.ic1-hero__badge {
  position: absolute; bottom: 18px; left: 18px;
  background: rgba(255,255,255,0.92); border: 1px solid var(--line);
  border-radius: 999px; padding: 8px 14px;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--type-mute); display: flex; align-items: center; gap: 8px;
}
.ic1-hero__badge::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--good);
}
.ic1-specs {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 28px 0 0;
  border-top: 1px solid var(--line); margin: 0 var(--pad-x);
}
.ic1-anatomy {
  background: var(--ink); color: var(--paper);
  padding: var(--section-pad-y) var(--pad-x);
}
.ic1-anatomy__grid {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center;
}
.ic1-anatomy__stage {
  background: linear-gradient(180deg, rgba(217,228,238,0.12), transparent);
  border-radius: 20px; min-height: 480px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.ic1-anatomy__stage img { max-width: 70%; max-height: 548px; object-fit: contain; }
.ic1-anatomy__callouts { display: flex; flex-direction: column; gap: 28px; }
.ic1-anatomy__callout {
  display: grid; grid-template-columns: 48px 1fr; gap: 16px;
}
.ic1-anatomy__num {
  font-family: var(--font-display); font-size: 28px; font-weight: 500;
  color: var(--steel-l);
}
.ic1-anatomy__callout h4 { font-size: 20px; font-weight: 500; letter-spacing: -0.015em; }
.ic1-anatomy__callout p { margin-top: 6px; font-size: 14px; line-height: 1.55;
  color: rgba(242,244,243,0.7); }

.ic1-flow {
  padding: var(--section-pad-y) var(--pad-x); background: var(--paper);
}
.ic1-flow__steps {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  position: relative;
}
.ic1-flow__step {
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  padding: 32px; min-height: 280px; display: flex; flex-direction: column;
}
.ic1-flow__step-num {
  font-family: var(--font-display); font-size: 56px; font-weight: 500;
  letter-spacing: -0.025em; color: var(--steel-l); line-height: 1;
}
.ic1-flow__step h4 { font-size: 24px; font-weight: 500; letter-spacing: -0.015em; margin-top: 16px; }
.ic1-flow__step p  { margin-top: 10px; font-size: 14px; line-height: 1.55; color: var(--type-mute); }

.ic1-spec-table {
  background: var(--paper-2); padding: var(--section-pad-y) var(--pad-x);
}
.ic1-spec-table__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 64px; }
.ic1-spec-table__row {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 24px;
  padding: 18px 0; border-bottom: 1px solid var(--line);
}
.ic1-spec-table__label { font-size: 13px; color: var(--type-mute);
  letter-spacing: 0.05em; text-transform: uppercase; }
.ic1-spec-table__value { font-size: 16px; color: var(--ink); font-family: var(--font-display); }

/* ── IC-2 page ────────────────────────────────────────────── */
.page-ic2 .subhero { padding: 56px var(--pad-x) 0; border-bottom: none; }
.ic2-hero {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
  align-items: start; padding: 0 var(--pad-x) 96px;
}
.ic2-hero__stage {
  position: relative;
  background: var(--paper);
  border-radius: 24px;
  aspect-ratio: 5 / 4;
}
.ic2-hero__stage img {
  display: block; width: 100%; height: 100%;
  object-fit: contain;
  box-sizing: border-box;
  position: relative; z-index: 1;
}
.ic2-hero__blob {
  position: absolute; bottom: 38px; left: 50%; transform: translateX(-50%);
  width: 60%; height: 40px; pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(3,7,13,0.26) 0%, rgba(3,7,13,0) 70%);
}
.ic2-specs {
  margin: 0 var(--pad-x);
  margin-bottom: 48px;
}
.ic2-anatomy {
  background: var(--ink); color: var(--paper);
  padding: var(--section-pad-y) var(--pad-x);
}
.ic2-anatomy__grid {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center;
}
.ic2-anatomy__stage {
  background: linear-gradient(180deg, rgba(217,228,238,0.12), transparent);
  border-radius: 20px; min-height: 480px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.ic2-anatomy__stage img { max-width: 70%; max-height: 548px; object-fit: contain; }
.ic2-anatomy__callouts { display: flex; flex-direction: column; gap: 28px; }
.ic2-anatomy__callout {
  display: grid; grid-template-columns: 48px 1fr; gap: 16px;
}
.ic2-anatomy__num {
  font-family: var(--font-display); font-size: 28px; font-weight: 500;
  color: var(--steel-l);
}
.ic2-anatomy__callout h4 { font-size: 20px; font-weight: 500; letter-spacing: -0.015em; }
.ic2-anatomy__callout p { margin-top: 6px; font-size: 14px; line-height: 1.55;
  color: rgba(242,244,243,0.7); }

.ic2-flow {
  padding: var(--section-pad-y) var(--pad-x); background: var(--paper);
}
.ic2-flow__steps {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  position: relative;
}
.ic2-flow__step {
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  padding: 32px; min-height: 280px; display: flex; flex-direction: column;
}
.ic2-flow__step-num {
  font-family: var(--font-display); font-size: 56px; font-weight: 500;
  letter-spacing: -0.025em; color: var(--steel-l); line-height: 1;
}
.ic2-flow__step h4 { font-size: 24px; font-weight: 500; letter-spacing: -0.015em; margin-top: 16px; }
.ic2-flow__step p  { margin-top: 10px; font-size: 14px; line-height: 1.55; color: var(--type-mute); }

.ic2-spec-table {
  background: var(--paper-2); padding: var(--section-pad-y) var(--pad-x);
}
.ic2-spec-table__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 64px; }
.ic2-spec-table__row {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 24px;
  padding: 18px 0; border-bottom: 1px solid var(--line);
}
.ic2-spec-table__label { font-size: 13px; color: var(--type-mute);
  letter-spacing: 0.05em; text-transform: uppercase; }
.ic2-spec-table__value { font-size: 16px; color: var(--ink); font-family: var(--font-display); }

/* ── Icebrain page ────────────────────────────────────────── */
.icebrain-hero {
  padding: 56px var(--pad-x) 96px;
  background: linear-gradient(180deg, var(--paper) 0%, var(--ice) 100%);
}
.icebrain-hero__copy { max-width: 760px; }
.icebrain-hero__title {
  font-family: var(--font-display);
  font-size: clamp(56px, 11vw, 144px);
  font-weight: 500; line-height: 0.94; letter-spacing: -0.035em; margin: 16px 0 0;
}
.icebrain-hero__sub { margin-top: 28px; font-size: clamp(17px, 1.5vw, 22px);
  color: var(--type-mute); max-width: 540px; line-height: 1.45; }
.icebrain-hero__cta { margin-top: 36px; display: flex; gap: 12px; flex-wrap: wrap; }
.icebrain-hero__dashboard {
  margin-top: 72px;
  background: var(--ink); border-radius: 18px; padding: 18px;
  box-shadow: 0 40px 80px -20px rgba(3,7,13,0.35);
}

/* Mock dashboard */
.dash {
  background: #0f1620; border-radius: 12px; overflow: hidden;
  color: rgba(255,255,255,0.92);
}
.dash__topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 18px; border-bottom: 1px solid rgba(255,255,255,0.08);
  font-size: 12px;
}
.dash__dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.2); }
.dash__dot--g { background: #50C878; }
.dash__title { font-weight: 500; letter-spacing: -0.005em; opacity: 0.85; }
.dash__layout { display: grid; grid-template-columns: 200px 1fr 280px; min-height: 460px; }
.dash__side { padding: 18px; border-right: 1px solid rgba(255,255,255,0.06); }
.dash__side-section { font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.45); margin: 18px 0 8px; }
.dash__side-section:first-child { margin-top: 0; }
.dash__nav-item {
  padding: 8px 10px; font-size: 13px; border-radius: 6px; color: rgba(255,255,255,0.75);
  display: flex; align-items: center; gap: 10px;
}
.dash__nav-item.is-active { background: rgba(80, 200, 200, 0.12); color: #50C8C8; }
.dash__main { padding: 22px; display: flex; flex-direction: column; gap: 18px; }
.dash__stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.dash__stat {
  background: rgba(255,255,255,0.04); border-radius: 10px; padding: 14px;
  border: 1px solid rgba(255,255,255,0.06);
}
.dash__stat-label { font-size: 11px; color: rgba(255,255,255,0.55); letter-spacing: 0.06em; }
.dash__stat-val { font-family: var(--font-display); font-size: 28px; font-weight: 500;
  margin-top: 4px; letter-spacing: -0.02em; }
.dash__stat-delta { font-size: 11px; margin-top: 2px; }
.dash__stat-delta--up { color: #FF7A6B; }
.dash__stat-delta--down { color: #50C878; }
.dash__chart {
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px; padding: 18px; flex: 1;
}
.dash__chart-head { display: flex; justify-content: space-between; align-items: baseline;
  font-size: 12px; color: rgba(255,255,255,0.7); margin-bottom: 12px; }
.dash__chart-svg { width: 100%; height: 180px; }
.dash__aside { padding: 22px; border-left: 1px solid rgba(255,255,255,0.06); display: flex; flex-direction: column; gap: 12px; }
.dash__aside-h { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.5); }
.dash__alert {
  background: rgba(255,122,107,0.1); border: 1px solid rgba(255,122,107,0.25);
  border-radius: 8px; padding: 12px 14px;
}
.dash__alert--ok {
  background: rgba(80,200,120,0.08); border-color: rgba(80,200,120,0.25);
}
.dash__alert-title { font-size: 13px; font-weight: 500; color: #FF7A6B; }
.dash__alert--ok .dash__alert-title { color: #6FE08A; }
.dash__alert-time { font-size: 11px; color: rgba(255,255,255,0.45); margin-top: 2px; }
.dash__alert-body { font-size: 12px; color: rgba(255,255,255,0.7); margin-top: 6px; }

/* Overview */
.icebrain-overview {
  padding: var(--section-pad-y) var(--pad-x);
  background: var(--paper-2); border-top: 1px solid var(--line);
}
.icebrain-overview__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start;
}
.icebrain-overview__body { padding-top: 8px; }

/* Functionalities */
.icebrain-pillars {
  padding: var(--section-pad-y) var(--pad-x);
}

/* Packages */
.icebrain-packages {
  padding: var(--section-pad-y) var(--pad-x);
  background: var(--ink);
}
.icebrain-packages .subsection__head { margin-bottom: 48px; }
.icebrain-packages .subsection__title { color: var(--paper); }
.icebrain-packages .eyebrow { color: rgba(242,244,243,0.55); }
.ib-packages__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.ib-package {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px; padding: 32px;
  display: flex; flex-direction: column; gap: 20px;
}
.ib-package__top { border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 20px; }
.ib-package__name {
  font-size: 22px; font-weight: 500; letter-spacing: -0.02em; color: var(--paper);
}
.ib-package__subtitle {
  margin-top: 8px; font-size: 14px; line-height: 1.5; color: rgba(242,244,243,0.6);
}
.ib-package__features {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 10px;
}
.ib-package__features li {
  font-size: 14px; color: rgba(242,244,243,0.85); padding-left: 20px; position: relative;
}
.ib-package__features li::before {
  content: '→'; position: absolute; left: 0; color: rgba(242,244,243,0.4); font-size: 12px;
}
.ib-package__req-head {
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(242,244,243,0.4); margin-bottom: -8px;
}
.ib-package__requirements {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 8px;
}
.ib-package__requirements li {
  font-size: 12px; color: rgba(242,244,243,0.5); padding-left: 16px; position: relative;
}
.ib-package__requirements li::before {
  content: '·'; position: absolute; left: 4px; color: rgba(242,244,243,0.3);
}

/* Testimonial */
.icebrain-testimonial {
  padding: var(--section-pad-y) var(--pad-x);
  text-align: center; background: var(--paper-2); border-top: 1px solid var(--line);
}
.ib-testimonial__quote {
  font-size: clamp(22px, 2.5vw, 36px); font-weight: 400; letter-spacing: -0.02em;
  line-height: 1.3; max-width: 800px; margin: 0 auto;
  color: var(--ink); font-style: italic;
}
.ib-testimonial__author {
  margin-top: 20px; font-size: 13px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--type-mute);
}

.icebrain-integrations {
  padding: var(--section-pad-y) var(--pad-x);
  background: var(--paper-2); border-top: 1px solid var(--line);
}
.integ-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.integ {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 24px; min-height: 120px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.integ__name { font-size: 16px; font-weight: 500; }
.integ__type { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--type-mute); }

/* ── Ice Index page ───────────────────────────────────────── */
.iceindex-hero {
  padding: 56px var(--pad-x) 96px;
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 64px; align-items: end;
}
.iceindex-hero__copy h1 {
  font-family: var(--font-display);
  font-size: clamp(48px, 9vw, 124px);
  font-weight: 500; line-height: 0.94; letter-spacing: -0.035em; margin-top: 16px;
}
.iceindex-hero__lead { margin-top: 24px; font-size: 18px; color: var(--type-mute);
  line-height: 1.55; max-width: 480px; }
.iceindex-hero__cta { margin-top: 32px; display: flex; gap: 12px; flex-wrap: wrap; }
.iceindex-hero__panel {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 24px; align-self: stretch;
}
.iceindex-hero__panel-eyebrow {
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--type-mute);
}
.iceindex-hero__panel-ytd {
  font-family: var(--font-display); font-size: 80px; font-weight: 500;
  letter-spacing: -0.03em; line-height: 1; margin-top: 8px;
}
.iceindex-hero__panel-delta { font-size: 13px; color: var(--danger); }
.iceindex-hero__panel img { width: 100%; margin-top: 14px; border-radius: 10px; }

.iceindex-method {
  padding: var(--section-pad-y) var(--pad-x);
  background: var(--paper-2); border-top: 1px solid var(--line);
}
.method-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.method {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 28px; display: flex; flex-direction: column; gap: 14px;
}
.method__num {
  font-family: var(--font-display); font-size: 44px; font-weight: 500;
  letter-spacing: -0.025em; color: var(--steel-l); line-height: 1;
}
.method__title { font-size: 22px; font-weight: 500; letter-spacing: -0.015em; }
.method__desc { font-size: 14px; color: var(--type-mute); line-height: 1.55; }

.iceindex-archive {
  padding: var(--section-pad-y) var(--pad-x);
}
.archive-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.archive-cell {
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
  padding: 14px; cursor: pointer; transition: transform .15s;
}
.archive-cell:hover { transform: translateY(-2px); }
.archive-cell img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 6px; }
.archive-cell__row {
  display: flex; justify-content: space-between; align-items: baseline; margin-top: 10px;
}
.archive-cell__m { font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--type-mute); }
.archive-cell__v { font-family: var(--font-display); font-size: 18px; font-weight: 500; }

.iceindex-commission {
  padding: var(--section-pad-y) var(--pad-x);
  background: var(--ink); color: var(--paper);
}
.iceindex-commission__inner {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 56px; align-items: center;
}
.iceindex-commission h2 {
  font-family: var(--font-display); font-size: clamp(40px, 6vw, 80px);
  font-weight: 500; letter-spacing: -0.03em; line-height: 0.98;
}
.iceindex-commission p {
  margin-top: 20px; font-size: 17px; opacity: 0.78; line-height: 1.55; max-width: 480px;
}
.iceindex-commission__buttons { margin-top: 28px; display: flex; gap: 12px; flex-wrap: wrap; }
.iceindex-commission__map {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px; padding: 12px;
}
.iceindex-commission__map img { width: 100%; border-radius: 8px; }

/* ── Data Analysis page ──────────────────────────────────── */
.data-hero {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px;
  padding: 56px var(--pad-x) 96px; align-items: center;
}
.data-hero__photo {
  border-radius: 20px; overflow: hidden; aspect-ratio: 4 / 5;
  background: var(--paper-2);
}
.data-hero__photo img { width: 100%; height: 100%; object-fit: cover; }
.data-deliverables {
  padding: var(--section-pad-y) var(--pad-x);
}
.deliverables-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.deliverable {
  background: var(--paper-2); border-radius: 16px; padding: 32px;
  display: grid; grid-template-columns: 60px 1fr; gap: 20px;
}
.deliverable__icon {
  width: 60px; height: 60px; border-radius: 12px;
  background: var(--ink); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
}
.deliverable__title { font-size: 22px; font-weight: 500; letter-spacing: -0.015em; }
.deliverable__desc { margin-top: 8px; font-size: 14px; color: var(--type-mute); line-height: 1.55; }

.data-process {
  padding: var(--section-pad-y) var(--pad-x);
  background: var(--ink); color: var(--paper);
}
.process-flow {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  position: relative;
}
.process-step {
  border-top: 1px solid rgba(255,255,255,0.18); padding-top: 24px;
}
.process-step__num {
  font-family: ui-monospace, monospace; font-size: 12px;
  color: var(--steel-l); letter-spacing: 0.08em;
}
.process-step__title { font-size: 22px; font-weight: 500; margin-top: 8px; }
.process-step__desc { margin-top: 8px; font-size: 14px; color: rgba(242,244,243,0.7); line-height: 1.55; }

.data-sample {
  padding: var(--section-pad-y) var(--pad-x); background: var(--paper-2);
}
.sample-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center; }
.sample-chart {
  background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 24px;
}
.sample-chart svg { width: 100%; height: 220px; }

/* ── Special Projects page ───────────────────────────────── */
.special-hero {
  position: relative; min-height: 560px; overflow: hidden;
  color: #fff; padding: 0 var(--pad-x);
  display: flex; align-items: flex-end;
}
.special-hero__bg {
  position: absolute; inset: 0; object-fit: cover; width: 100%; height: 100%;
  z-index: 0;
}
.special-hero::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(3,7,13,0.2) 0%, rgba(3,7,13,0) 30%, rgba(3,7,13,0.85) 100%);
  z-index: 1;
}
.special-hero__copy { position: relative; z-index: 2; padding-bottom: 80px; max-width: 760px; }
.special-hero__copy h1 {
  font-family: var(--font-display);
  font-size: clamp(48px, 9vw, 120px); font-weight: 500;
  line-height: 0.94; letter-spacing: -0.035em; margin-top: 16px;
}
.special-hero__copy p { margin-top: 24px; font-size: clamp(17px, 1.5vw, 22px);
  max-width: 520px; line-height: 1.45; color: rgba(255,255,255,0.85); }

.special-categories {
  padding: var(--section-pad-y) var(--pad-x);
}
.cat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.cat-card {
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  padding: 32px; min-height: 260px;
  display: grid; grid-template-rows: auto 1fr auto; gap: 16px;
  transition: transform .2s, box-shadow .2s;
  text-decoration: none; color: inherit;
}
.cat-card:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(3,7,13,0.06); }
.cat-card__num { font-family: ui-monospace, monospace; font-size: 12px; color: var(--type-mute); }
.cat-card__title { font-size: 28px; font-weight: 500; letter-spacing: -0.02em; }
.cat-card__desc { font-size: 15px; color: var(--type-mute); line-height: 1.55; }
.cat-card__cta { font-size: 13px; font-weight: 500; display: flex; align-items: center; gap: 6px; }

.special-past {
  padding: var(--section-pad-y) var(--pad-x);
  background: var(--paper-2);
}
.past-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.past-card {
  background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
}
.past-card__media { aspect-ratio: 4 / 3; overflow: hidden; }
.past-card__media img { width: 100%; height: 100%; object-fit: cover; }
.past-card__body { padding: 20px; }
.past-card__tag {
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--type-mute);
}
.past-card__title { font-size: 18px; font-weight: 500; letter-spacing: -0.015em; margin-top: 6px; }

/* ─────────────────────────────────────────────────────────
   RESPONSIVE — subpages
───────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .ic1-hero,
  .ic2-hero,
  .iceindex-hero,
  .data-hero { grid-template-columns: 1fr; gap: 40px; }
  .ic1-anatomy__grid,
  .ic2-anatomy__grid { grid-template-columns: 1fr; }
  .ic1-flow__steps,
  .ic2-flow__steps,
  .process-flow,
  .method-cards { grid-template-columns: 1fr 1fr; }
  .features { grid-template-columns: 1fr 1fr; }
  .ic1-spec-table__grid,
  .ic2-spec-table__grid { grid-template-columns: 1fr; gap: 0; }
  .integ-grid { grid-template-columns: repeat(2, 1fr); }
  .icebrain-overview__grid { grid-template-columns: 1fr; gap: 32px; }
  .ib-packages__grid { grid-template-columns: 1fr 1fr; }
  .archive-grid { grid-template-columns: repeat(3, 1fr); }
  .iceindex-commission__inner { grid-template-columns: 1fr; }
  .crosslink { grid-template-columns: 1fr; }
  .sample-grid { grid-template-columns: 1fr; }
  .dash__layout { grid-template-columns: 160px 1fr; }
  .dash__aside { display: none; }
  .page-contact__inner { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .ic1-hero,
  .ic2-hero { padding-bottom: 56px; }
  .stat-row { grid-template-columns: 1fr 1fr; gap: 20px; }
  .ic1-flow__steps,
  .ic2-flow__steps,
  .process-flow,
  .method-cards,
  .features,
  .cat-grid,
  .deliverables-grid,
  .past-grid,
  .integ-grid { grid-template-columns: 1fr; }
  .archive-grid { grid-template-columns: repeat(2, 1fr); }
  .icebrain-hero__dashboard { padding: 10px; margin-top: 40px; }
  .ib-packages__grid { grid-template-columns: 1fr; }
  .dash__layout { grid-template-columns: 1fr; }
  .dash__side { display: none; }
  .crosslink { padding: 24px; margin: 0 var(--pad-x) var(--section-pad-y); }
  .crumbs { font-size: 11px; flex-wrap: wrap; }
  .special-hero { min-height: 460px; }
  .da-nerc__cards { grid-template-columns: 1fr; }
  .da-nerc__cta-row { flex-direction: column; align-items: flex-start; gap: 20px; }
}

/* ─── Data Analysis — NERC compliance section ────────────── */
.da-nerc {
  background: var(--paper);
  border-top: 1px solid var(--line);
  padding: var(--section-pad-y) var(--pad-x);
}
.da-nerc__pill {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: ui-monospace, monospace; font-size: 12px; letter-spacing: 0.08em;
  color: var(--ink); background: var(--paper-2);
  border: 1px solid var(--ink); border-radius: 999px;
  padding: 6px 14px; margin-bottom: 40px;
}
.da-nerc__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--good); flex-shrink: 0;
  animation: nerc-pulse 2.4s ease-out infinite;
}
@keyframes nerc-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(61,112,80,0.45); }
  60%  { box-shadow: 0 0 0 7px rgba(61,112,80,0); }
  100% { box-shadow: 0 0 0 0 rgba(61,112,80,0); }
}
.da-nerc__head { max-width: 760px; }
.da-nerc__title {
  font-family: var(--font-display);
  font-size: clamp(40px, 5.6vw, 72px);
  font-weight: 500; letter-spacing: -0.03em; line-height: 1;
  margin: 0 0 28px;
}
.da-nerc__lede {
  font-size: 17px; color: var(--ink); line-height: 1.55;
  max-width: 680px; margin-bottom: 20px;
}
.da-nerc__context {
  font-size: 17px; color: var(--type-mute); line-height: 1.55;
  max-width: 680px; margin-bottom: 0;
}
.da-nerc__context b { color: var(--ink); font-weight: 600; }
.da-nerc__footnote {
  font-size: 14px; color: var(--type-mute); line-height: 1.55;
  max-width: 680px; margin-top: 24px; padding-top: 20px;
  border-top: 1px dashed var(--line);
}
.da-nerc__cards {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px; margin-top: 56px;
}
.da-nerc__card {
  position: relative;
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 28px 28px 28px 34px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.da-nerc__card::before {
  content: ''; position: absolute; left: 0; top: 14px; bottom: 14px;
  width: 3px; background: var(--steel); border-radius: 0 2px 2px 0;
}
.da-nerc__card:hover {
  border-color: var(--ink);
  box-shadow: 0 8px 24px rgba(3,7,13,0.07);
}
.da-nerc__card-tag {
  font-family: ui-monospace, monospace; font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--steel);
}
.da-nerc__card-title {
  font-size: 22px; font-weight: 500; color: var(--ink);
  letter-spacing: -0.015em; margin-top: 14px;
}
.da-nerc__card-body {
  font-size: 14px; color: var(--type-mute); line-height: 1.55; margin-top: 12px;
}
.da-nerc__cta-row {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 24px;
  margin-top: 56px; padding-top: 32px;
  border-top: 1px solid var(--line);
}
.da-nerc__cta-text {
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 26px); font-weight: 500;
  color: var(--ink); max-width: 640px; margin: 0;
}