/* ==========================================================================
   OctoPipe — octo-pipe.com
   Brand guide v1.0 : Ink Black / Paper White / Signal Blue accent only
   ========================================================================== */

:root {
  /* Core */
  --ink: #0A0A0A;
  --paper: #FFFFFF;
  --blue: #1271C6;
  --blue-dark: #0E5CA3;

  /* Grey scale */
  --graphite: #333333;
  --steel: #6E6E6E;
  --silver: #9A9A9A;
  --mist: #D6D6D6;
  --paper-grey: #F4F4F4;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "Roboto Mono", Consolas, monospace;

  --wrap: 1200px;
  --gut: clamp(1.25rem, 4vw, 3rem);
  --sec-y: clamp(4rem, 9vw, 7.5rem);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Reset ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--graphite);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, video { max-width: 100%; display: block; height: auto; }
h1, h2, h3, h4 { margin: 0; color: var(--ink); line-height: 1.15; font-weight: 700; letter-spacing: -0.02em; }
p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }
a { color: var(--blue); text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* --- Layout primitives ---------------------------------------------------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gut); }
.section { padding-block: var(--sec-y); }
.section--dark { background: var(--ink); color: var(--mist); }
.section--dark h2, .section--dark h3, .section--dark h4 { color: var(--paper); }
.section--grey { background: var(--paper-grey); }

/* --- Type ----------------------------------------------------------------- */
.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
  margin: 0 0 0.9rem;
}
.section--dark .eyebrow { color: var(--silver); }

h2.sec-title {
  font-size: clamp(1.9rem, 4.2vw, 2.9rem);
  margin-bottom: 0.45em;
}
h2.sec-title::after {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  background: var(--blue);
  margin-top: 0.55rem;
}
.lede { font-size: clamp(1.02rem, 1.5vw, 1.15rem); color: var(--steel); max-width: 62ch; }
.section--dark .lede { color: var(--mist); }

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* --- Buttons -------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.95em 1.7em;
  border: 1.5px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--blue); color: var(--paper); }
.btn--primary:hover { background: var(--blue-dark); }
.btn--ghost { border-color: rgba(255,255,255,0.35); color: var(--paper); }
.btn--ghost:hover { border-color: var(--paper); background: rgba(255,255,255,0.08); }
.btn--outline { border-color: var(--mist); color: var(--ink); }
.btn--outline:hover { border-color: var(--ink); }

/* --- Header --------------------------------------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(10,10,10,0);
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease), backdrop-filter 0.35s;
  border-bottom: 1px solid transparent;
}
.site-header.is-stuck {
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: rgba(255,255,255,0.1);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  height: 76px;
}
.brand { display: flex; align-items: center; }
.brand img { height: 46px; width: auto; }

.nav { display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2.1rem); }
.nav a {
  color: rgba(255,255,255,0.78);
  font-size: 0.83rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.4rem 0;
  position: relative;
  transition: color 0.2s;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav a:hover, .nav a.is-active { color: var(--paper); }
.nav a:hover::after, .nav a.is-active::after { transform: scaleX(1); }
.nav .btn { text-transform: none; letter-spacing: 0.02em; padding: 0.7em 1.3em; }
.nav .btn::after { display: none; }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 0.5rem;
  cursor: pointer;
  width: 44px; height: 44px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--paper);
  margin: 5px auto;
  transition: transform 0.3s var(--ease), opacity 0.2s;
}
.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); }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed;
    inset: 76px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(10,10,10,0.98);
    backdrop-filter: blur(12px);
    padding: 1rem var(--gut) 2rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
  }
  .nav.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .nav a { padding: 0.85rem 0; border-bottom: 1px solid rgba(255,255,255,0.08); font-size: 0.95rem; }
  .nav a::after { display: none; }
  .nav .btn { margin-top: 1.2rem; justify-content: center; border-bottom: 0; }
}

/* --- Hero ----------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: min(94vh, 860px);
  display: flex;
  align-items: center;
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
  padding-block: 8rem 4rem;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url("../assets/img/hero-pipe.jpg");
  background-size: cover;
  background-position: center;
  opacity: 0.42;
  filter: grayscale(0.35) contrast(1.08);
}
@media (max-width: 860px) {
  .hero__bg {
    background-image: url("../assets/img/hero-pipe-portrait.jpg");
    background-position: 62% center;
    opacity: 0.5;
  }
}
.hero__scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, var(--ink) 0%, rgba(10,10,10,0.94) 40%, rgba(10,10,10,0.55) 72%, rgba(10,10,10,0.35) 100%),
    linear-gradient(to top, var(--ink) 0%, transparent 45%);
}
@media (max-width: 860px) {
  .hero__scrim {
    background:
      linear-gradient(to bottom, rgba(10,10,10,0.95) 0%, rgba(10,10,10,0.86) 55%, var(--ink) 100%);
  }
}
/* Brand geometric wedge (brochure layout language) */
.hero__wedge {
  position: absolute;
  right: -6%;
  bottom: -18%;
  width: 62vw;
  aspect-ratio: 1;
  background: rgba(255,255,255,0.035);
  transform: rotate(45deg);
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 2; }

.hero__tag {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--silver);
  margin: 0 0 1.5rem;
}
.hero__tag::before {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  background: var(--blue);
  margin-bottom: 1.1rem;
}
.hero h1 {
  font-size: clamp(2.5rem, 7vw, 4.7rem);
  color: var(--paper);
  text-transform: uppercase;
  letter-spacing: -0.025em;
  line-height: 1.02;
  max-width: 16ch;
}
.hero__sub {
  margin: 1.6rem 0 0;
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--mist);
  max-width: 52ch;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2.4rem; }

.hero__pillars {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.5rem, 5vw, 4rem);
  margin-top: clamp(3rem, 6vw, 4.5rem);
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.14);
}
.hero__pillar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper);
}
.hero__pillar svg { width: 26px; height: 26px; stroke: var(--blue); flex: none; }

/* --- Stat strip ----------------------------------------------------------- */
.stats {
  background: var(--ink);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-block: clamp(2.5rem, 5vw, 3.5rem);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 2rem clamp(1.5rem, 4vw, 3rem);
}
.stat__value {
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--paper);
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat__value em { font-style: normal; color: var(--blue); }
.stat__label {
  margin-top: 0.6rem;
  font-size: 0.8rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--silver);
}

/* --- Split (About) -------------------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

.figure-frame {
  position: relative;
  background: var(--paper-grey);
  border: 1px solid var(--mist);
  padding: 0;
  overflow: hidden;
}
.figure-frame img { width: 100%; }
.figure-frame figcaption {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--steel);
  padding: 0.8rem 1rem;
  border-top: 1px solid var(--mist);
  background: var(--paper);
}

/* --- Capability cards (About pillars) ------------------------------------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--mist);
  border: 1px solid var(--mist);
  margin-top: clamp(3rem, 6vw, 4.5rem);
}
.card {
  background: var(--paper);
  padding: clamp(1.6rem, 3vw, 2.2rem);
  transition: background 0.3s var(--ease);
}
.card:hover { background: var(--paper-grey); }
.card__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--blue);
  letter-spacing: 0.05em;
}
.card h3 { font-size: 1.06rem; margin: 0.8rem 0 0.6rem; }
.card p { font-size: 0.93rem; color: var(--steel); margin: 0; }

/* --- Why SRCP benefit grid ------------------------------------------------ */
.why-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
}
@media (max-width: 860px) { .why-head { grid-template-columns: 1fr; } }

.compat-panel {
  border-left: 3px solid var(--blue);
  padding: 0.4rem 0 0.4rem 1.5rem;
}
.compat-panel h3 { font-size: clamp(1.25rem, 2.4vw, 1.6rem); color: var(--paper); margin-bottom: 0.9rem; }
.compat-panel p { color: var(--mist); font-size: 0.98rem; }

.benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.13);
  border: 1px solid rgba(255,255,255,0.13);
}
@media (max-width: 900px) { .benefits { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .benefits { grid-template-columns: 1fr; } }
.benefit {
  background: var(--ink);
  padding: clamp(1.7rem, 3vw, 2.3rem);
  transition: background 0.3s var(--ease);
}
.benefit:hover { background: #141414; }
.benefit__icon {
  width: 40px; height: 40px;
  margin-bottom: 1.3rem;
  stroke: var(--blue);
  stroke-width: 1.4;
  fill: none;
}
.benefit h3 { font-size: 1.02rem; margin-bottom: 0.5rem; color: var(--paper); }
.benefit p { font-size: 0.92rem; color: var(--silver); margin: 0; }

/* --- Product range -------------------------------------------------------- */
.construction {
  margin: clamp(1rem, 2vw, 2rem) 0 clamp(2rem, 4vw, 3rem);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.construction img { width: 100%; }

/* The render carries its own layer labels. Below ~700px they stop being legible,
   so let the figure scroll sideways rather than shrink the type into mush. */
@media (max-width: 700px) {
  .construction img { width: 700px; max-width: none; }
}

.layer-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}
@media (max-width: 900px) { .layer-list { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .layer-list { grid-template-columns: 1fr; } }
.layer {
  border-top: 3px solid var(--blue);
  padding-top: 0.9rem;
}
.layer h4 { font-size: 0.98rem; margin-bottom: 0.25rem; }
.layer p { font-size: 0.9rem; color: var(--steel); margin: 0; }

/* Spec tables */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin-top: 1rem;
}
.table-title {
  font-size: 1.05rem;
  margin: clamp(2.5rem, 5vw, 3.5rem) 0 0.9rem;
}
.spec-table thead th {
  background: var(--ink);
  color: var(--paper);
  text-align: left;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.7rem 0.9rem;
  font-weight: 700;
}
.spec-table td {
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--mist);
  vertical-align: top;
}
.spec-table tbody tr:nth-child(even) { background: var(--paper-grey); }
.spec-table td:first-child { font-weight: 600; color: var(--ink); }
.spec-table td.mono, .spec-table td .mono { font-family: var(--font-mono); font-size: 0.85rem; white-space: nowrap; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-scroll .spec-table { min-width: 660px; margin-top: 0; }

.weight-callout {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: clamp(0.82rem, 1.6vw, 0.98rem);
  padding: 1.1rem 1.4rem;
  margin-top: 2rem;
  border-left: 3px solid var(--blue);
}
.weight-callout strong { color: var(--blue); font-weight: 700; }

/* System item cards */
.system-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.5rem, 3vw, 2rem);
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
}
@media (max-width: 700px) { .system-grid { grid-template-columns: 1fr; } }
.sys-card {
  background: var(--paper);
  border: 1px solid var(--mist);
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.sys-card:hover { border-color: var(--steel); transform: translateY(-3px); }
.sys-card__media {
  aspect-ratio: 4 / 3;
  background: var(--paper-grey);
  overflow: hidden;
  border-bottom: 1px solid var(--mist);
}
.sys-card__media img { height: 100%; width: 100%; object-fit: cover; }
.sys-card__body { padding: clamp(1.4rem, 2.4vw, 1.9rem); flex: 1; display: flex; flex-direction: column; }
.sys-card__body h3 { font-size: 1.15rem; margin-bottom: 0.15rem; }
.sys-card__kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--blue);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.sys-card dl { margin: 0; font-size: 0.88rem; }
.sys-card dl > div {
  display: grid;
  grid-template-columns: 40% 1fr;
  gap: 1rem;
  padding: 0.6rem 0;
  border-top: 1px solid var(--mist);
}
.sys-card dl > div:last-child { padding-bottom: 0; }
.sys-card dt { color: var(--steel); }
.sys-card dd { margin: 0; color: var(--ink); font-family: var(--font-mono); font-size: 0.82rem; line-height: 1.5; }

/* --- Quality assurance ---------------------------------------------------- */
.qa-layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}
@media (max-width: 900px) { .qa-layout { grid-template-columns: 1fr; } }

.qa-steps { margin-top: 2.5rem; display: grid; gap: 2rem; }
.qa-step { display: grid; grid-template-columns: 44px 1fr; gap: 1.2rem; align-items: start; }
.qa-step__icon {
  width: 44px; height: 44px;
  border: 1px solid var(--mist);
  display: grid; place-items: center;
}
.qa-step__icon svg { width: 22px; height: 22px; stroke: var(--blue); stroke-width: 1.5; fill: none; }
.qa-step h3 { font-size: 1rem; margin-bottom: 0.35rem; }
.qa-step p { font-size: 0.92rem; color: var(--steel); margin: 0; }

.qa-figure { position: sticky; top: 100px; }
.badge-row { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.6rem; }
.badge {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  padding: 0.65rem 1.1rem;
}
.badge--blue { border-left: 3px solid var(--blue); }

.standards {
  margin-top: 2.2rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--steel);
  letter-spacing: 0.02em;
  padding-top: 1.4rem;
  border-top: 1px solid var(--mist);
}
.standards span { color: var(--ink); }

/* --- Supply & logistics --------------------------------------------------- */
.supply {
  position: relative;
  overflow: hidden;
}
.supply__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 45%;
  opacity: 0.34;
  filter: grayscale(0.25);
}
.supply__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, var(--ink) 0%, rgba(10,10,10,0.95) 45%, rgba(10,10,10,0.7) 100%);
}
.supply .wrap { position: relative; z-index: 2; }

.supply-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
}
@media (max-width: 1050px) { .supply-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px) { .supply-grid { grid-template-columns: repeat(2, 1fr); } }
.supply-item h3 {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--silver);
  margin-bottom: 0.9rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid rgba(255,255,255,0.16);
}
.supply-item p, .supply-item li { color: var(--mist); font-size: 0.95rem; }
.supply-item li { padding-left: 1.1rem; position: relative; margin-bottom: 0.4rem; }
.supply-item li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.66em;
  width: 5px; height: 5px;
  background: var(--blue);
}
.supply-item .big {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  color: var(--paper);
  display: block;
  margin-bottom: 0.2rem;
}

/* --- Contact -------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-block { margin-bottom: 2.2rem; }
.contact-block h3 {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 0.7rem;
}
.contact-block a.big-link {
  font-size: clamp(1.15rem, 2.6vw, 1.55rem);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
  border-bottom: 2px solid var(--blue);
  padding-bottom: 2px;
  transition: color 0.2s;
}
.contact-block a.big-link:hover { color: var(--blue); }

.partner-card {
  border: 1px solid var(--mist);
  padding: clamp(1.5rem, 3vw, 2rem);
  background: var(--paper);
}
.partner-card .eyebrow { margin-bottom: 1.2rem; }
.partner-card__name { font-size: 1.15rem; font-weight: 700; color: var(--ink); margin-bottom: 0.15rem; }
.partner-card__role { font-size: 0.85rem; color: var(--steel); margin-bottom: 1.1rem; }
.partner-card dl { display: grid; gap: 0.5rem; margin: 0; font-size: 0.93rem; }
.partner-card dd { margin: 0; }

/* Form */
.form { display: grid; gap: 1.1rem; }
.field { display: grid; gap: 0.4rem; }
.field label {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--steel);
}
.field input, .field select, .field textarea {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--ink);
  padding: 0.8rem 0.95rem;
  border: 1px solid var(--mist);
  border-radius: 2px;
  background: var(--paper);
  width: 100%;
  transition: border-color 0.2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(18,113,198,0.12);
}
.field textarea { resize: vertical; min-height: 118px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
@media (max-width: 520px) { .form-row { grid-template-columns: 1fr; } }
.form__note { font-size: 0.82rem; color: var(--steel); }

/* --- Footer --------------------------------------------------------------- */
.site-footer {
  background: var(--ink);
  color: var(--silver);
  padding-block: clamp(3rem, 6vw, 4.5rem) 2rem;
  font-size: 0.9rem;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
@media (max-width: 780px) { .footer-top { grid-template-columns: 1fr; } }
.site-footer img.f-logo { height: 54px; width: auto; margin-bottom: 1.2rem; }
.site-footer h4 {
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper);
  margin-bottom: 1rem;
}
.site-footer a { color: var(--silver); transition: color 0.2s; }
.site-footer a:hover { color: var(--paper); }
.site-footer li { margin-bottom: 0.55rem; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.8rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--steel);
}

/* --- Scroll reveal -------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

/* --- Utilities ------------------------------------------------------------ */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--blue);
  color: var(--paper);
  padding: 0.8rem 1.2rem;
  z-index: 200;
}
.skip-link:focus { left: 0; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }