/* ════════════════════════════════════════════════════════════
   HIGHRIDGE CORROSION SERVICES — design system
   ════════════════════════════════════════════════════════════ */

:root {
  --teal: #00303d;
  --teal-deep: #001e27;
  --teal-mid: #002530;
  --copper: #ca9e7c;
  --copper-dark: #b8896a;
  --offwhite: #f8f6f3;
  --offwhite-mid: #f0ede9;
  --bluegray: #b6c9cf;

  --font-display: "Outfit", sans-serif;
  --font-body: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --pad-x: clamp(24px, 5vw, 72px);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--teal-deep);
  color: var(--offwhite);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--copper); color: var(--teal); }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--teal-deep); }
::-webkit-scrollbar-thumb { background: rgba(182, 201, 207, 0.25); border-radius: 3px; }

.mono { font-family: var(--font-mono); }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  line-height: 1.06;
}

em {
  font-style: normal;
  color: var(--copper);
}

/* ── grain overlay ─────────────────────────────── */
body::after {
  content: "";
  position: fixed;
  inset: -50%;
  width: 200%;
  height: 200%;
  pointer-events: none;
  z-index: 9998;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 9s steps(6) infinite;
}
@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  20% { transform: translate(-3%, 2%); }
  40% { transform: translate(2%, -3%); }
  60% { transform: translate(-2%, -2%); }
  80% { transform: translate(3%, 3%); }
}

/* ════════ PRELOADER ════════ */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--teal-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s;
}
.preloader.done { opacity: 0; visibility: hidden; }
.preloader__inner { text-align: center; width: min(320px, 80vw); }
.preloader__logo {
  color: var(--copper);
  width: 90px;
  margin: 0 auto 28px;
  animation: loaderPulse 1.6s ease-in-out infinite;
}
@keyframes loaderPulse { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }
.preloader__bar {
  height: 2px;
  background: rgba(182, 201, 207, 0.15);
  overflow: hidden;
  margin-bottom: 14px;
}
.preloader__fill {
  display: block;
  height: 100%;
  width: 0;
  background: var(--copper);
  transition: width 0.3s ease;
}
.preloader__status {
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--bluegray);
  opacity: 0.7;
}

/* ════════ SCROLL PROGRESS ════════ */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 1001;
  background: transparent;
}
.scroll-progress span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--copper);
}

/* ════════ NAV ════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px var(--pad-x);
  transition: background 0.35s, border-color 0.35s, backdrop-filter 0.35s, padding 0.35s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(0, 30, 39, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: rgba(182, 201, 207, 0.12);
  padding-top: 14px;
  padding-bottom: 14px;
}
.nav__logo { color: var(--offwhite); display: block; }
.nav__mark { height: 22px; width: auto; display: block; }
.nav__links { display: flex; gap: 34px; }
.nav__links a {
  position: relative;
  color: var(--bluegray);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.05em;
  transition: color 0.25s;
  padding: 4px 0;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--copper);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease-out);
}
.nav__links a:hover { color: var(--offwhite); }
.nav__links a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav__right { display: flex; align-items: center; gap: 22px; }
.nav__clock {
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--bluegray);
  opacity: 0.55;
}
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 6px;
}
.nav__burger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--offwhite);
  transition: transform 0.3s, opacity 0.3s;
}
.nav__burger.open span:first-child { transform: translateY(4px) rotate(45deg); }
.nav__burger.open span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(0, 30, 39, 0.98);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s, visibility 0.4s;
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-menu nav { display: flex; flex-direction: column; align-items: center; gap: 28px; text-align: center; padding: 0 28px; }
.mobile-menu .btn { margin-top: 12px; }
.mobile-menu a {
  color: var(--offwhite);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 28px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ════════ BUTTONS ════════ */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  cursor: pointer;
  border: 0;
  overflow: hidden;
  transition: color 0.3s;
  will-change: transform;
}
.btn--sm { padding: 10px 20px; font-size: 12px; }
.btn--full { width: 100%; }
.btn--copper { background: var(--copper); color: var(--teal); }
.btn--copper::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--copper-dark);
  transform: translateX(-101%);
  transition: transform 0.4s var(--ease-out);
  z-index: 0;
}
.btn--copper:hover::before { transform: translateX(0); }
.btn--copper > * { position: relative; z-index: 1; }
.btn--ghost {
  background: transparent;
  color: var(--offwhite);
  border: 1px solid rgba(248, 246, 243, 0.3);
  transition: border-color 0.25s, background 0.25s;
}
.btn--ghost:hover { border-color: rgba(248, 246, 243, 0.8); background: rgba(248, 246, 243, 0.05); }
.btn__arrow { transition: transform 0.3s var(--ease-out); position: relative; z-index: 1; }
.btn:hover .btn__arrow { transform: translateX(4px); }

/* ════════ HERO ════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 140px var(--pad-x) 0;
  background: var(--teal-deep);
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.hero__photo {
  position: absolute;
  inset: 0;
  background: url("images/hero.webp") center 30% / cover no-repeat;
  /* teal duotone scrim: dark on the left (text) side, photo breathes bottom-right */
  opacity: 0.55;
  filter: saturate(0.6) contrast(1.05);
  animation: heroKenBurns 26s ease-in-out infinite alternate;
}
.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, var(--teal-deep) 0%, rgba(0,30,39,0.82) 42%, rgba(0,30,39,0.55) 100%),
    linear-gradient(0deg, var(--teal-deep) 2%, transparent 42%),
    radial-gradient(120% 90% at 15% 40%, transparent 40%, rgba(0,30,39,0.7) 100%);
}
@keyframes heroKenBurns {
  from { transform: scale(1.06) translate(0, 0); }
  to   { transform: scale(1.14) translate(-1.5%, -1.5%); }
}
.hero__grid-lines {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    repeating-linear-gradient(110deg, transparent, transparent 80px, rgba(182, 201, 207, 0.03) 80px, rgba(182, 201, 207, 0.03) 81px),
    repeating-linear-gradient(0deg, transparent, transparent 80px, rgba(182, 201, 207, 0.02) 80px, rgba(182, 201, 207, 0.02) 81px);
  animation: gridDrift 40s linear infinite;
}
@keyframes gridDrift {
  from { transform: translateX(0); }
  to { transform: translateX(-81px); }
}
.hero__glow {
  position: absolute;
  z-index: 2;
  top: -20%;
  right: -10%;
  width: 70%;
  height: 90%;
  background: radial-gradient(ellipse at center, rgba(202, 158, 124, 0.09) 0%, transparent 65%);
  animation: glowBreathe 8s ease-in-out infinite;
}
@keyframes glowBreathe { 0%, 100% { opacity: 0.7; } 50% { opacity: 1; } }

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 55fr) minmax(0, 45fr);
  gap: clamp(40px, 5vw, 80px);
  align-items: center;
  max-width: 1320px;
  margin: auto;
  width: 100%;
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 40px;
}
.hero__eyebrow-line { display: inline-block; width: 20px; height: 1px; background: var(--copper); }
.cursor-blink { animation: blink 1.1s steps(1) infinite; font-size: 9px; }
@keyframes blink { 50% { opacity: 0; } }

.hero__title {
  font-size: clamp(52px, 6.4vw, 96px);
  line-height: 1;
  color: var(--offwhite);
  margin-bottom: 38px;
}
.line-mask { display: block; overflow: hidden; }
.line { display: block; }
.line--copper { color: var(--copper); }

.hero__sub {
  font-size: 16px;
  line-height: 1.74;
  color: var(--bluegray);
  max-width: 430px;
  margin-bottom: 44px;
}

.hero__ctas { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin-bottom: 54px; }

.hero__proof {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bluegray);
}
.hero__proof span { display: flex; gap: 8px; opacity: 0.75; }
.hero__proof i { font-style: normal; color: var(--copper); }

/* ── telemetry panel ── */
.hero__panel {
  background: rgba(0, 37, 48, 0.65);
  border: 1px solid rgba(182, 201, 207, 0.14);
  backdrop-filter: blur(6px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}
.panel__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--bluegray);
  border-bottom: 1px solid rgba(182, 201, 207, 0.12);
}
.panel__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #7bc67e;
  box-shadow: 0 0 0 0 rgba(123, 198, 126, 0.5);
  animation: dotPing 2s ease-out infinite;
}
@keyframes dotPing {
  0% { box-shadow: 0 0 0 0 rgba(123, 198, 126, 0.5); }
  70% { box-shadow: 0 0 0 8px rgba(123, 198, 126, 0); }
  100% { box-shadow: 0 0 0 0 rgba(123, 198, 126, 0); }
}
.panel__time { margin-left: auto; opacity: 0.6; }

.panel__map { padding: 8px 6px 0; }
.panel__map svg { display: block; width: 100%; height: auto; }
.map__contour {
  fill: none;
  stroke: rgba(182, 201, 207, 0.08);
  stroke-width: 1;
}
.map__pipeline {
  fill: none;
  stroke: var(--copper);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 900;
  stroke-dashoffset: 900;
  animation: drawPipe 2.4s var(--ease-out) 0.9s forwards;
}
@keyframes drawPipe { to { stroke-dashoffset: 0; } }
.map__pipeline-glow {
  fill: none;
  stroke: rgba(202, 158, 124, 0.18);
  stroke-width: 7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.map__pulse { fill: var(--offwhite); filter: drop-shadow(0 0 6px rgba(248, 246, 243, 0.9)); }
.map__station circle { fill: var(--copper); }
.map__station .ring {
  fill: none;
  stroke: var(--copper);
  stroke-width: 1.5;
  animation: stationPing 3.3s ease-out infinite;
  animation-delay: var(--p, 0s);
  transform-origin: center;
  transform-box: fill-box;
}
@keyframes stationPing {
  0% { transform: scale(1); opacity: 0.9; }
  60% { transform: scale(3.2); opacity: 0; }
  100% { transform: scale(3.2); opacity: 0; }
}
.map__label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  fill: rgba(182, 201, 207, 0.65);
  text-anchor: middle;
}

.panel__feed { padding: 6px 0; min-height: 176px; }
.feed-row {
  display: grid;
  grid-template-columns: 58px 1fr auto auto;
  gap: 12px;
  align-items: center;
  padding: 9px 18px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--bluegray);
  border-bottom: 1px solid rgba(182, 201, 207, 0.06);
  opacity: 0;
  transform: translateY(6px);
  animation: feedIn 0.45s var(--ease-out) forwards;
}
@keyframes feedIn { to { opacity: 1; transform: translateY(0); } }
.feed-row:last-child { border-bottom: 0; }
.feed-row .code { color: rgba(182, 201, 207, 0.45); }
.feed-row .reading { color: var(--offwhite); }
.feed-row .status { color: #7bc67e; }
.feed-row.updated .reading { animation: readingFlash 0.9s ease; }
@keyframes readingFlash {
  0% { color: var(--copper); text-shadow: 0 0 12px rgba(202, 158, 124, 0.8); }
  100% { color: var(--offwhite); text-shadow: none; }
}

.panel__foot {
  display: flex;
  justify-content: space-between;
  padding: 12px 18px;
  font-size: 9px;
  letter-spacing: 0.18em;
  color: rgba(182, 201, 207, 0.5);
  border-top: 1px solid rgba(182, 201, 207, 0.12);
}
.panel__scan i { font-style: normal; animation: blink 1.2s steps(1) infinite; }
.panel__scan i:nth-child(2) { animation-delay: 0.2s; }
.panel__scan i:nth-child(3) { animation-delay: 0.4s; }

/* ── stats strip ── */
.hero__stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 1320px;
  margin: clamp(50px, 7vh, 90px) auto 0;
  width: 100%;
  border-top: 1px solid rgba(182, 201, 207, 0.12);
}
.stat {
  padding: 28px 26px 34px;
  border-right: 1px solid rgba(182, 201, 207, 0.12);
}
.stat:last-child { border-right: 0; }
.stat__num {
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 500;
  color: var(--copper);
  margin-bottom: 6px;
}
.stat__label {
  font-size: 12px;
  color: var(--bluegray);
  opacity: 0.7;
  letter-spacing: 0.04em;
}

.hero__scroll-hint {
  position: absolute;
  right: calc(var(--pad-x) / 2);
  bottom: 110px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-size: 9px;
  letter-spacing: 0.3em;
  color: rgba(182, 201, 207, 0.5);
  writing-mode: vertical-rl;
}
.hint-line {
  width: 1px;
  height: 44px;
  background: rgba(182, 201, 207, 0.3);
  position: relative;
  overflow: hidden;
}
.hint-line::after {
  content: "";
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--copper);
  animation: hintDrop 2s ease-in-out infinite;
}
@keyframes hintDrop {
  0% { top: -100%; }
  60%, 100% { top: 100%; }
}

/* ════════ REVEALS ════════ */
.reveal-item {
  opacity: 0;
  transform: translateY(22px);
}
body.loaded .reveal-item {
  animation: fadeSlideUp 0.9s var(--ease-out) var(--d, 0s) both;
}
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal-line {
  transform: translateY(110%);
}
body.loaded .reveal-line {
  animation: lineRise 1s var(--ease-out) var(--d, 0s) both;
}
@keyframes lineRise {
  from { transform: translateY(110%); }
  to { transform: translateY(0); }
}

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.85s var(--ease-out) var(--d, 0s), transform 0.85s var(--ease-out) var(--d, 0s);
}
[data-reveal].in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ════════ MARQUEE ════════ */
.marquee {
  background: var(--copper);
  color: var(--teal);
  overflow: hidden;
  padding: 16px 0;
  border-top: 1px solid rgba(0, 30, 39, 0.15);
}
.marquee__track {
  display: flex;
  align-items: center;
  gap: 34px;
  width: max-content;
  animation: marquee 30s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__track span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  white-space: nowrap;
}
.marquee__track i { font-style: normal; font-size: 8px; opacity: 0.55; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ════════ SECTION SHARED ════════ */
.section-index {
  font-size: 10px;
  letter-spacing: 0.24em;
  color: rgba(0, 48, 61, 0.45);
  margin-bottom: 34px;
}
.section-index--light { color: rgba(182, 201, 207, 0.55); }

/* ════════ PROBLEM ════════ */
.problem {
  background: var(--offwhite);
  color: var(--teal);
  padding: clamp(90px, 12vh, 150px) var(--pad-x);
}
.problem__grid {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: clamp(40px, 6vw, 100px);
  max-width: 1320px;
  margin: 0 auto;
}
.problem__title { font-size: clamp(30px, 3.6vw, 52px); }
.problem__copy p {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(0, 48, 61, 0.72);
  margin-bottom: 26px;
}
.problem__copy strong { color: var(--teal); }
.problem .section-index { grid-column: 1 / -1; }
.problem__grid { grid-template-areas: none; }
.problem > .section-index { max-width: 1320px; margin-left: auto; margin-right: auto; }

/* ════════ SERVICES ════════ */
.services {
  background: var(--teal);
  padding: clamp(90px, 12vh, 150px) var(--pad-x);
}
.services > * { max-width: 1320px; margin-left: auto; margin-right: auto; }
.services__title {
  font-size: clamp(32px, 4vw, 56px);
  color: var(--offwhite);
  margin-bottom: clamp(44px, 6vh, 70px);
}
.services__explorer {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: clamp(30px, 4vw, 60px);
  align-items: start;
}
.services__list { display: flex; flex-direction: column; }
.service-tab {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 19px 18px;
  background: none;
  border: 0;
  border-bottom: 1px solid rgba(182, 201, 207, 0.16);
  border-left: 2px solid transparent;
  color: rgba(182, 201, 207, 0.65);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: left;
  cursor: pointer;
  transition: color 0.25s, border-color 0.25s, background 0.25s, padding-left 0.3s var(--ease-out);
}
.service-tab .idx {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 10px;
  color: rgba(182, 201, 207, 0.4);
  transition: color 0.25s;
}
.service-tab:hover { color: var(--offwhite); padding-left: 24px; }
.service-tab.active {
  color: var(--offwhite);
  border-left-color: var(--copper);
  background: rgba(182, 201, 207, 0.05);
  padding-left: 24px;
}
.service-tab.active .idx { color: var(--copper); }

.services__detail {
  border: 1px solid rgba(182, 201, 207, 0.14);
  background: rgba(0, 30, 39, 0.45);
  padding: clamp(28px, 3.5vw, 48px);
  min-height: 380px;
  position: relative;
  overflow: hidden;
}
.services__detail::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  /* teal scrim over the photo so copy stays legible; copper wash bottom-right */
  background:
    linear-gradient(115deg, var(--teal) 6%, rgba(0,37,48,0.82) 42%, rgba(0,37,48,0.28) 100%),
    linear-gradient(135deg, rgba(202, 158, 124, 0.12) 0%, transparent 55%);
  pointer-events: none;
}
.detail__photo {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-position: center right;
  background-size: cover;
  background-repeat: no-repeat;
  opacity: 0.65;
  filter: saturate(0.6) contrast(1.05);
  animation: detailPhotoIn 0.9s var(--ease-out) both;
}
@keyframes detailPhotoIn {
  from { opacity: 0; transform: scale(1.08); }
  to   { opacity: 0.65; transform: scale(1); }
}
.detail__inner { position: relative; z-index: 3; animation: fadeSlideUp 0.45s var(--ease-out) both; }
.detail__code {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--copper);
  margin-bottom: 16px;
}
.detail__title {
  font-size: clamp(24px, 2.4vw, 34px);
  color: var(--offwhite);
  margin-bottom: 18px;
}
.detail__desc {
  font-size: 15px;
  line-height: 1.75;
  color: var(--bluegray);
  margin-bottom: 16px;
  max-width: 560px;
}
.detail__note {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(182, 201, 207, 0.7);
  margin-bottom: 28px;
  max-width: 560px;
}
.detail__tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.detail__tags span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: rgba(202, 158, 124, 0.85);
  border: 1px solid rgba(202, 158, 124, 0.35);
  padding: 6px 12px;
  transition: border-color 0.2s, background 0.2s;
  animation: fadeSlideUp 0.4s var(--ease-out) both;
  animation-delay: calc(var(--i) * 60ms);
}
.detail__tags span:hover { border-color: rgba(202, 158, 124, 0.8); background: rgba(202, 158, 124, 0.08); }
.detail__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--offwhite);
  text-decoration: none;
  border-bottom: 1px solid rgba(202, 158, 124, 0.5);
  padding-bottom: 4px;
  transition: color 0.2s, border-color 0.2s, gap 0.25s var(--ease-out);
}
.detail__cta:hover { color: var(--copper); border-color: var(--copper); gap: 14px; }

/* ════════ VALUES ════════ */
.values {
  background: var(--offwhite);
  color: var(--teal);
  padding: clamp(90px, 12vh, 150px) var(--pad-x);
}
.values > * { max-width: 1320px; margin-left: auto; margin-right: auto; }
.values__title {
  font-size: clamp(30px, 3.8vw, 50px);
  margin-bottom: clamp(44px, 6vh, 70px);
}
.values__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.value-card {
  position: relative;
  background: #fff;
  border: 1px solid rgba(0, 48, 61, 0.08);
  padding: 40px 34px 46px;
  transition: transform 0.45s var(--ease-out), box-shadow 0.45s var(--ease-out);
  overflow: hidden;
}
.value-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 30px 60px rgba(0, 48, 61, 0.12);
}
.value-card__num {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--copper);
  margin-bottom: 22px;
}
.value-card h3 { font-size: clamp(19px, 1.6vw, 23px); margin-bottom: 16px; }
.value-card p { font-size: 14.5px; line-height: 1.75; color: rgba(0, 48, 61, 0.68); }
.value-card__line {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 3px;
  width: 100%;
  background: var(--copper);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease-out);
}
.value-card:hover .value-card__line { transform: scaleX(1); }

/* ════════ FIELD BAND ════════ */
.field-band {
  position: relative;
  overflow: hidden;
  background: var(--teal-deep);
  padding: clamp(110px, 20vh, 200px) var(--pad-x);
  isolation: isolate;
}
.field-band__photo {
  position: absolute;
  inset: -12% 0;
  z-index: -2;
  background: url("images/hero.webp") center 62% / cover no-repeat;
  filter: saturate(0.5) contrast(1.06);
  will-change: transform;
}
.field-band::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, var(--teal-deep) 4%, rgba(0,30,39,0.72) 48%, rgba(0,30,39,0.34) 100%),
    linear-gradient(0deg, rgba(0,30,39,0.7) 0%, transparent 45%, rgba(0,30,39,0.6) 100%);
}
.field-band__inner { max-width: 1320px; margin: 0 auto; }
.field-band__eyebrow {
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--copper);
  margin-bottom: 26px;
}
.field-band__title {
  font-size: clamp(38px, 5.5vw, 82px);
  color: var(--offwhite);
  line-height: 0.98;
  margin-bottom: 28px;
}
.field-band__copy {
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.72;
  color: var(--bluegray);
  max-width: 540px;
  margin-bottom: 42px;
}
.field-band__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 40px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(182, 201, 207, 0.75);
}
.field-band__stats span { display: flex; align-items: baseline; gap: 10px; }
.field-band__stats i {
  font-style: normal;
  color: var(--copper);
  font-size: 15px;
  letter-spacing: 0.04em;
}

/* ════════ COMPARISON ════════ */
.compare {
  background: var(--offwhite-mid);
  color: var(--teal);
  padding: clamp(90px, 12vh, 150px) var(--pad-x);
}
.compare > * { max-width: 1320px; margin-left: auto; margin-right: auto; }
.compare__head { margin-bottom: clamp(40px, 6vh, 64px); max-width: 1320px; }
.compare__head h2 { font-size: clamp(28px, 3.4vw, 48px); margin-bottom: 20px; }
.compare__head p { font-size: 16px; line-height: 1.75; color: rgba(0, 48, 61, 0.68); max-width: 640px; }

.compare__labels {
  display: grid;
  grid-template-columns: 180px 1fr 1fr;
  gap: 28px;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: rgba(0, 48, 61, 0.45);
  padding: 0 24px 14px;
}
.compare__hl { color: var(--copper-dark); }
.compare__row {
  display: grid;
  grid-template-columns: 180px 1fr 1fr;
  gap: 28px;
  padding: 30px 24px;
  border-top: 1px solid rgba(0, 48, 61, 0.12);
  transition: background 0.3s;
}
.compare__row:last-child { border-bottom: 1px solid rgba(0, 48, 61, 0.12); }
.compare__row:hover { background: rgba(255, 255, 255, 0.65); }
.compare__topic {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--teal);
  padding-top: 3px;
}
.compare__them {
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(0, 48, 61, 0.5);
}
.compare__us {
  position: relative;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--teal);
  padding-left: 18px;
}
.compare__us::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--copper);
}

/* ════════ CONTACT ════════ */
.contact {
  background: var(--teal-deep);
  padding: clamp(90px, 12vh, 150px) var(--pad-x);
  position: relative;
  overflow: hidden;
}
.contact__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url("images/survey.webp") right 22% / cover no-repeat;
  opacity: 0.1;
  filter: saturate(0.45) contrast(1.05);
  -webkit-mask-image: linear-gradient(90deg, transparent 52%, #000 100%);
  mask-image: linear-gradient(90deg, transparent 52%, #000 100%);
  pointer-events: none;
}
.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(110deg, transparent, transparent 80px, rgba(182, 201, 207, 0.02) 80px, rgba(182, 201, 207, 0.02) 81px);
  pointer-events: none;
}
.contact__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(44px, 6vw, 100px);
  max-width: 1320px;
  margin: 0 auto;
}
.contact__info h2 {
  font-size: clamp(28px, 3.5vw, 48px);
  color: var(--offwhite);
  margin-bottom: 24px;
}
.contact__info p {
  font-size: 16px;
  line-height: 1.75;
  color: var(--bluegray);
  max-width: 440px;
  margin-bottom: 40px;
}
.contact__channels { list-style: none; display: flex; flex-direction: column; gap: 16px; }
.contact__channels li {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--bluegray);
  display: flex;
  gap: 16px;
  align-items: baseline;
}
.contact__channels span {
  color: var(--copper);
  font-size: 10px;
  letter-spacing: 0.2em;
  min-width: 34px;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 26px;
  border: 1px solid rgba(182, 201, 207, 0.12);
  background: rgba(0, 37, 48, 0.5);
  padding: clamp(28px, 3vw, 44px);
}
.field { position: relative; }
.field input,
.field textarea {
  width: 100%;
  background: rgba(182, 201, 207, 0.06);
  border: 1px solid rgba(182, 201, 207, 0.14);
  color: var(--offwhite);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 20px 16px 10px;
  outline: none;
  transition: border-color 0.25s, background 0.25s;
  resize: vertical;
}
.field label {
  position: absolute;
  left: 16px;
  top: 15px;
  font-size: 10px;
  letter-spacing: 0.16em;
  color: rgba(182, 201, 207, 0.55);
  pointer-events: none;
  transition: top 0.25s var(--ease-out), font-size 0.25s, color 0.25s;
}
.field input:focus,
.field textarea:focus {
  border-color: rgba(202, 158, 124, 0.55);
  background: rgba(182, 201, 207, 0.09);
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label {
  top: 6px;
  font-size: 8px;
  color: var(--copper);
}
.contact__note {
  font-size: 10px;
  letter-spacing: 0.14em;
  color: #7bc67e;
  min-height: 14px;
}

/* ════════ FOOTER ════════ */
.footer {
  background: var(--teal-deep);
  border-top: 1px solid rgba(182, 201, 207, 0.1);
  padding: 44px var(--pad-x);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  max-width: 1320px;
  margin: 0 auto;
}
.footer__logo { height: 20px; width: auto; color: var(--offwhite); opacity: 0.5; }
.footer__links { display: flex; gap: 32px; }
.footer__links a {
  font-size: 10px;
  color: var(--bluegray);
  text-decoration: none;
  letter-spacing: 0.12em;
  opacity: 0.5;
  transition: opacity 0.2s, color 0.2s;
}
.footer__links a:hover { opacity: 1; color: var(--copper); }
.footer__copy { font-size: 10px; color: var(--bluegray); opacity: 0.3; letter-spacing: 0.08em; }

/* ════════ CURSOR ════════ */
@media (pointer: fine) and (prefers-reduced-motion: no-preference) {
  body, a, button, .service-tab, input, textarea, label, .marquee { cursor: none; }
}
.cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--copper);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.25s, height 0.25s, opacity 0.25s, background 0.25s, border-color 0.25s;
  opacity: 0;
  border: 1px solid transparent;
}
.cursor.visible { opacity: 0.9; }
.cursor.hovering {
  width: 36px;
  height: 36px;
  background: transparent;
  border-color: var(--copper);
  opacity: 0.9;
}

/* ════════ RESPONSIVE ════════ */
@media (max-width: 1080px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__panel { max-width: 640px; }
  .hero__scroll-hint { display: none; }
  .services__explorer { grid-template-columns: 1fr; }
  .problem__grid { grid-template-columns: 1fr; }
  .contact__inner { grid-template-columns: 1fr; }
  .values__grid { grid-template-columns: 1fr; max-width: 620px; }
  .compare__labels { display: none; }
  .compare__row { grid-template-columns: 1fr; gap: 16px; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat { border-bottom: 1px solid rgba(182, 201, 207, 0.12); }
  .stat:nth-child(n + 3) { border-bottom: 0; }
}
@media (max-width: 860px) {
  .nav__links, .nav__right { display: none; }
  .nav__burger { display: flex; }
  .hero { padding-top: 110px; }
  .hero__title { font-size: clamp(44px, 11vw, 64px); }
}

/* ════════ REDUCED MOTION ════════ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
  .reveal-item, .reveal-line, [data-reveal] { opacity: 1 !important; transform: none !important; }
  body::after { display: none; }
  .cursor { display: none; }
}