/* ==========================================================================
   Caldrens Solutions — corporate site styles
   ========================================================================== */

:root {
  /* Palette */
  --navy-950: #08111d;
  --navy-900: #0b1422;
  --navy-800: #111e31;
  --navy-700: #182a43;
  --blue-700: #1c3a5e;
  --blue-600: #24496f;
  --steel-600: #4a5768;
  --steel-500: #66748a;
  --steel-400: #8d99aa;
  --steel-300: #b4bdc9;
  --steel-200: #d5dbe2;
  --gray-150: #e4e8ec;
  --gray-100: #eef1f4;
  --gray-50: #f6f7f9;
  --white: #ffffff;
  --accent: #1c8a9b;
  --accent-600: #167686;
  --accent-300: #6ec3cf;

  --ink: var(--navy-900);
  --text: #3a4656;
  --muted: var(--steel-500);
  --line: var(--gray-150);
  --line-dark: rgba(255, 255, 255, 0.12);

  /* Type */
  --font-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  /* Layout */
  --container: 1320px;
  --gutter: clamp(20px, 4vw, 48px);
  --section-y: clamp(80px, 11vw, 152px);
  --header-h: 76px;
  --radius: 2px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) - 1px);
}

body {
  margin: 0;
  background: var(--white);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, figure, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -0.02em;
}

::selection { background: var(--accent); color: var(--white); }

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

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  left: 16px; top: -60px;
  z-index: 200;
  padding: 12px 18px;
  background: var(--white);
  color: var(--ink);
  font-weight: 600;
  transition: top 0.2s;
}
.skip-link:focus { top: 16px; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-y); }

/* ---------- Typography helpers ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue-600);
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
}
.eyebrow--light { color: var(--accent-300); }

.h2 {
  font-size: clamp(2rem, 1.3rem + 2.6vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -0.028em;
  max-width: 18ch;
  text-wrap: balance;
}

.lead {
  font-size: clamp(1.125rem, 1.05rem + 0.3vw, 1.3rem);
  line-height: 1.6;
  color: var(--ink);
}

/* ---------- Buttons & links ---------- */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  --btn-bd: transparent;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 28px;
  border: 1px solid var(--btn-bd);
  border-radius: var(--radius);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.btn:active { transform: translateY(1px); }

.btn--sm { min-height: 44px; padding: 0 20px; font-size: 0.875rem; }
.btn--block { width: 100%; }

.btn--primary { --btn-bg: var(--accent); --btn-fg: var(--white); --btn-bd: var(--accent); }
.btn--primary:hover { --btn-bg: var(--accent-600); --btn-bd: var(--accent-600); }

.btn--dark { --btn-bg: var(--navy-900); --btn-fg: var(--white); --btn-bd: var(--navy-900); }
.btn--dark:hover { --btn-bg: var(--blue-700); --btn-bd: var(--blue-700); }

.btn--light { --btn-bg: var(--white); --btn-fg: var(--navy-900); --btn-bd: var(--white); }
.btn--light:hover { --btn-bg: var(--gray-100); --btn-bd: var(--gray-100); }

.btn--ghost-light { --btn-fg: var(--white); --btn-bd: rgba(255, 255, 255, 0.45); }
.btn--ghost-light:hover { --btn-bg: var(--white); --btn-fg: var(--navy-900); --btn-bd: var(--white); }

.btn[disabled] { opacity: 0.7; cursor: progress; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 4px;
  border-bottom: 1px solid currentColor;
  color: var(--ink);
  font-size: 0.9375rem;
  font-weight: 600;
  transition: color 0.2s var(--ease), gap 0.25s var(--ease);
}
.link-arrow:hover { color: var(--accent-600); gap: 14px; }
.link-arrow--light { color: var(--white); }
.link-arrow--light:hover { color: var(--accent-300); }

/* ---------- Media / image fallback ---------- */
.media {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.05) 0 1px, transparent 1px 100%) 0 0 / 22px 22px,
    linear-gradient(160deg, #2b3a4e 0%, #1a2738 55%, #0f1928 100%);
}
.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.8s var(--ease), transform 1.2s var(--ease);
}
.js .media img[loading="lazy"]:not(.is-loaded) { opacity: 0; }
.media img.is-missing { visibility: hidden; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  color: var(--white);
  transition: background-color 0.35s var(--ease), color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.site-header.is-scrolled,
.site-header.is-open {
  background: rgba(255, 255, 255, 0.97);
  color: var(--ink);
  box-shadow: 0 1px 0 var(--line);
}
@supports (backdrop-filter: blur(10px)) {
  .site-header.is-scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: saturate(160%) blur(14px);
  }
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: var(--header-h);
}

.logo {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1;
  color: inherit;
}
.logo__dot { color: var(--accent); }
.logo--light { color: var(--white); }

.primary-nav { margin-left: auto; }
.primary-nav ul { display: flex; gap: clamp(20px, 2.4vw, 36px); }
.primary-nav a {
  position: relative;
  display: block;
  padding-block: 8px;
  font-size: 0.9375rem;
  font-weight: 500;
  opacity: 0.88;
  transition: opacity 0.2s var(--ease);
}
.primary-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.primary-nav a:hover,
.primary-nav a.is-active { opacity: 1; }
.primary-nav a:hover::after,
.primary-nav a.is-active::after { transform: scaleX(1); }
.site-header.is-scrolled .primary-nav a.is-active { color: var(--accent-600); }

.nav-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  margin-left: auto;
  margin-right: -10px;
}
.nav-toggle__bar {
  position: absolute;
  left: 11px;
  width: 22px;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.3s var(--ease), top 0.3s var(--ease);
}
.nav-toggle__bar--top { top: 17px; }
.nav-toggle__bar--bottom { top: 25px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar--top { top: 21px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar--bottom { top: 21px; transform: rotate(-45deg); }

.mobile-menu {
  height: calc(100dvh - var(--header-h));
  overflow-y: auto;
  background: var(--white);
  border-top: 1px solid var(--line);
}
.mobile-menu__list { margin: 12px 0 32px; }
.mobile-menu__list li { border-bottom: 1px solid var(--line); }
.mobile-menu__list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.mobile-menu__list a::after { content: "\2192"; color: var(--steel-400); font-size: 1.1rem; }

@media (max-width: 1023px) {
  .primary-nav, .header__cta { display: none; }
  .nav-toggle { display: block; }
}
@media (min-width: 1024px) {
  .mobile-menu { display: none !important; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 100vh;
  min-height: 100svh;
  padding-top: calc(var(--header-h) + 64px);
  color: var(--white);
  background: var(--navy-950);
  isolation: isolate;
}
.hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero__media img { transform: scale(1.06); }
.is-ready .hero__media img { transform: scale(1); transition: transform 2.4s var(--ease); }

.hero__shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(8, 17, 29, 0.88) 0%, rgba(8, 17, 29, 0.62) 45%, rgba(8, 17, 29, 0.25) 100%),
    linear-gradient(0deg, rgba(8, 17, 29, 0.9) 0%, rgba(8, 17, 29, 0) 45%),
    linear-gradient(180deg, rgba(8, 17, 29, 0.55) 0%, rgba(8, 17, 29, 0) 22%);
}

.hero__content { padding-bottom: clamp(56px, 8vw, 104px); }

.hero__title {
  max-width: 14ch;
  margin-bottom: 28px;
  color: var(--white);
  font-size: clamp(2.6rem, 1.4rem + 5vw, 5.75rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.035em;
  text-wrap: balance;
}
.hero__lede {
  max-width: 58ch;
  margin-bottom: 40px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1.0625rem, 1rem + 0.35vw, 1.25rem);
  line-height: 1.6;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero__stats {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(8, 17, 29, 0.55);
}
@supports (backdrop-filter: blur(10px)) {
  .hero__stats { background: rgba(8, 17, 29, 0.4); backdrop-filter: blur(12px); }
}
.hero__stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.hero-stat {
  display: flex;
  flex-direction: column-reverse;
  justify-content: flex-end;
  gap: 6px;
  padding: 28px 0 30px;
}
.hero-stat + .hero-stat {
  padding-left: clamp(20px, 4vw, 56px);
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}
.hero-stat__value {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1rem + 2vw, 2.6rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--white);
}
.hero-stat__label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.62);
}

/* load-in */
.js .hero__item { opacity: 0; transform: translateY(18px); }
.is-ready .hero__item {
  opacity: 1;
  transform: none;
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.is-ready .hero__item:nth-child(2) { transition-delay: 0.08s; }
.is-ready .hero__item:nth-child(3) { transition-delay: 0.16s; }
.is-ready .hero__item:nth-child(4) { transition-delay: 0.24s; }
.is-ready .hero__stats { transition-delay: 0.36s; }

@media (max-width: 640px) {
  .hero__stats-grid { grid-template-columns: 1fr 1fr; }
  .hero-stat { padding: 20px 0 22px; }
  .hero-stat:nth-child(3) {
    grid-column: 1 / -1;
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
  }
  .hero__actions .btn { flex: 1 1 100%; }
}

/* ==========================================================================
   Section head
   ========================================================================== */
.section-head { margin-bottom: clamp(48px, 6vw, 80px); }
.section-head--split {
  display: grid;
  gap: 24px 64px;
  align-items: end;
}
.section-head__intro { max-width: 52ch; color: var(--text); }
@media (min-width: 960px) {
  .section-head--split { grid-template-columns: 1.15fr 1fr; }
  .section-head__intro { justify-self: end; }
}

/* ==========================================================================
   Intro
   ========================================================================== */
.intro__grid {
  display: grid;
  gap: 56px;
  align-items: center;
}
.intro__media { aspect-ratio: 4 / 5; max-height: 720px; }
.intro__body .h2 { margin-bottom: 32px; }
.intro__body p + p { margin-top: 20px; }

.intro__pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 40px 0 40px;
  border-top: 1px solid var(--line);
}
.intro__pillars li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--ink);
}
.intro__pillars li:nth-child(odd) { padding-right: 16px; }
.intro__pillars li:nth-child(even) { padding-left: 20px; border-left: 1px solid var(--line); }

@media (min-width: 960px) {
  .intro__grid { grid-template-columns: 5fr 6fr; gap: clamp(56px, 7vw, 120px); }
}

/* ==========================================================================
   Solutions
   ========================================================================== */
.solutions { background: var(--gray-50); }
.solutions__banner {
  width: 100%;
  max-width: calc(var(--container) + 240px);
  margin-inline: auto;
  aspect-ratio: 21 / 9;
  min-height: 260px;
}

.solutions__grid {
  display: grid;
  margin-top: clamp(-120px, -8vw, -48px);
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
}
.solution {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(32px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: var(--white);
  transition: background-color 0.3s var(--ease);
}
.solution:last-child { border-bottom: 0; }
.solution::before {
  content: "";
  position: absolute;
  left: -1px; top: -1px;
  width: calc(100% + 2px);
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
}
.solution:hover::before { transform: scaleX(1); }

.solution__num {
  display: block;
  margin-bottom: 40px;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent-600);
}
.solution__title {
  margin-bottom: 16px;
  font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.solution > p { max-width: 46ch; margin-bottom: 28px; }
.solution .link-arrow { margin-top: auto; align-self: flex-start; }

.tick-list {
  display: grid;
  gap: 0;
  margin-bottom: 36px;
  border-top: 1px solid var(--line);
}
.tick-list li {
  position: relative;
  padding: 11px 0 11px 26px;
  border-bottom: 1px solid var(--line);
  font-size: 0.9375rem;
  color: var(--ink);
}
.tick-list li::before {
  content: "";
  position: absolute;
  left: 2px; top: 50%;
  width: 10px; height: 1.5px;
  background: var(--accent);
}

@media (min-width: 640px) {
  .tick-list { grid-template-columns: 1fr 1fr; column-gap: 28px; }
}
@media (min-width: 960px) {
  .solutions__grid { grid-template-columns: 1fr 1fr; }
  .solution { border-bottom: 0; }
  .solution:nth-child(odd) { border-right: 1px solid var(--line); }
  .solution:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
}

/* ==========================================================================
   Industries
   ========================================================================== */
.industries__grid {
  display: grid;
  gap: 2px;
  background: var(--white);
}
.industry {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 440px;
  color: var(--white);
  overflow: hidden;
  isolation: isolate;
}
.industry__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.industry::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(8, 17, 29, 0.05) 20%, rgba(8, 17, 29, 0.55) 55%, rgba(8, 17, 29, 0.92) 100%);
  transition: background-color 0.4s var(--ease);
}
.industry:hover .industry__media img { transform: scale(1.05); }
.industry:hover::after { background-color: rgba(8, 17, 29, 0.15); }

.industry__body {
  position: relative;
  width: 100%;
  padding: 32px;
}
.industry__body::before {
  content: "";
  position: absolute;
  left: 32px; top: 0;
  width: 32px; height: 2px;
  background: var(--accent-300);
  transition: width 0.5s var(--ease);
}
.industry:hover .industry__body::before { width: calc(100% - 64px); }

.industry__num {
  display: block;
  margin: 20px 0 10px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.6);
}
.industry__title {
  margin-bottom: 10px;
  color: var(--white);
  font-size: 1.5rem;
  line-height: 1.2;
}
.industry p {
  max-width: 34ch;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9688rem;
  line-height: 1.55;
}

@media (min-width: 700px) {
  .industries__grid { grid-template-columns: repeat(2, 1fr); }
  .industry { min-height: 480px; }
}
@media (min-width: 1100px) {
  .industries__grid { grid-template-columns: repeat(3, 1fr); }
  .industry { min-height: 540px; }
}

/* ==========================================================================
   Capabilities
   ========================================================================== */
.capabilities__grid {
  display: grid;
  gap: 56px;
}
.capabilities__aside .h2 { margin-bottom: 24px; }
.capabilities__aside > p:not(.eyebrow) { max-width: 40ch; margin-bottom: 36px; }

.cap-list { border-top: 1px solid var(--ink); counter-reset: none; }
.cap {
  position: relative;
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 6px 20px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.35s var(--ease);
}
.cap::before {
  content: "";
  position: absolute;
  left: 0; top: -1px; bottom: -1px;
  width: 2px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.35s var(--ease);
}
.cap:hover { padding-left: 20px; }
.cap:hover::before { transform: scaleY(1); }

.cap__num {
  grid-row: span 2;
  padding-top: 6px;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--steel-400);
}
.cap__title {
  font-size: clamp(1.25rem, 1.1rem + 0.6vw, 1.625rem);
  line-height: 1.25;
}
.cap__text { color: var(--text); max-width: 56ch; }

@media (min-width: 760px) {
  .cap {
    grid-template-columns: 64px minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: baseline;
    gap: 0 32px;
    padding: 34px 0;
  }
  .cap__num { grid-row: auto; padding-top: 0; }
}
@media (min-width: 1100px) {
  .capabilities__grid { grid-template-columns: 4fr 8fr; gap: 80px; }
  .capabilities__aside { position: sticky; top: calc(var(--header-h) + 48px); align-self: start; }
}

/* ==========================================================================
   Process
   ========================================================================== */
.process { background: var(--gray-50); }

.process__steps {
  --progress: 0;
  position: relative;
  display: grid;
  gap: 0;
}

.step {
  position: relative;
  padding: 0 0 44px 44px;
}
.step:last-child { padding-bottom: 0; }

/* vertical track (mobile) */
.step::before {
  content: "";
  position: absolute;
  left: 6px; top: 8px; bottom: -8px;
  width: 1px;
  background: var(--steel-200);
}
.step:last-child::before { display: none; }
.step::after {
  content: "";
  position: absolute;
  left: 6px; top: 8px; bottom: -8px;
  width: 1px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.8s var(--ease) 0.2s;
}
.step:last-child::after { display: none; }
.step.is-visible::after { transform: scaleY(1); }

.step__marker {
  position: absolute;
  left: 0; top: 2px;
  width: 13px; height: 13px;
  border: 1px solid var(--steel-400);
  background: var(--gray-50);
  transition: background-color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.step.is-visible .step__marker { background: var(--accent); border-color: var(--accent); }

.step__num {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent-600);
}
.step__title {
  margin-bottom: 12px;
  font-size: 1.5rem;
  line-height: 1.2;
}
.step p { font-size: 0.9688rem; max-width: 36ch; }

@media (min-width: 1024px) {
  .process__steps { grid-template-columns: repeat(5, 1fr); gap: 32px; }
  .step { padding: 48px 0 0; }
  .step::before,
  .step::after {
    left: 0; right: -32px; top: 6px; bottom: auto;
    width: auto; height: 1px;
  }
  .step::after { transform: scaleX(0); transform-origin: left; }
  .step.is-visible::after { transform: scaleX(1); }
  .step__marker { top: 0; }
}

/* ==========================================================================
   Why Caldrens
   ========================================================================== */
.why__grid { display: grid; gap: 56px; }
.why__intro .h2 { margin-bottom: 48px; }
.why__media { aspect-ratio: 4 / 3; }

.why__items {
  display: grid;
  border-top: 1px solid var(--line);
}
.diff {
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
}
.diff__icon {
  width: 40px; height: 40px;
  margin-bottom: 28px;
  fill: none;
  stroke: var(--blue-600);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke 0.3s var(--ease);
}
.diff:hover .diff__icon { stroke: var(--accent); }
.diff__title {
  margin-bottom: 12px;
  font-size: 1.5rem;
  line-height: 1.2;
}
.diff p { max-width: 40ch; }

@media (min-width: 700px) {
  .why__items { grid-template-columns: 1fr 1fr; }
  .diff { padding: 48px 40px 48px 0; }
  .diff:nth-child(even) { padding: 48px 0 48px 40px; border-left: 1px solid var(--line); }
}
@media (min-width: 1100px) {
  .why__grid { grid-template-columns: 5fr 7fr; gap: 96px; align-items: start; }
  .why__items { margin-top: 0; }
}

/* ==========================================================================
   Scale
   ========================================================================== */
.scale {
  position: relative;
  background: var(--navy-950);
  color: rgba(255, 255, 255, 0.74);
  overflow: hidden;
  isolation: isolate;
}
.scale__grid-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 70% at 75% 30%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 75% 30%, #000 20%, transparent 75%);
}
.scale::before {
  content: "";
  position: absolute;
  right: -10%; top: -30%;
  z-index: -1;
  width: 60%; height: 120%;
  background: radial-gradient(closest-side, rgba(36, 73, 111, 0.55), transparent);
}
.scale .h2 { color: var(--white); }
.scale .section-head__intro { color: rgba(255, 255, 255, 0.7); }

.scale__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line-dark);
}
.scale-stat {
  display: flex;
  flex-direction: column-reverse;
  justify-content: flex-end;
  gap: 16px;
  padding: 36px 20px 8px 0;
}
.scale-stat:nth-child(even) { padding-left: 20px; border-left: 1px solid var(--line-dark); }
.scale-stat:nth-child(n + 3) { border-top: 1px solid var(--line-dark); padding-top: 36px; }

.scale-stat__value {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 1.5rem + 3.6vw, 4.75rem);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--white);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.scale-stat__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-300);
}

@media (min-width: 1024px) {
  .scale__stats { grid-template-columns: repeat(4, 1fr); }
  .scale-stat,
  .scale-stat:nth-child(n) { padding: 48px 32px 0; border-top: 0; border-left: 1px solid var(--line-dark); }
  .scale-stat:first-child { padding-left: 0; border-left: 0; }
}

/* ==========================================================================
   About
   ========================================================================== */
.about__grid { display: grid; gap: 56px; align-items: center; }
.about__body .h2 { margin-bottom: 32px; }
.about__body p + p { margin-top: 20px; }
.about__body p:not(.lead):not(.eyebrow) { max-width: 60ch; }
.about__media { aspect-ratio: 4 / 5; max-height: 760px; }

@media (min-width: 960px) {
  .about__grid { grid-template-columns: 6fr 5fr; gap: clamp(56px, 7vw, 120px); }
}

/* ==========================================================================
   Values
   ========================================================================== */
.values { background: var(--gray-50); }
.values__grid { display: grid; gap: 0; }
.value {
  padding: 32px 0 40px;
  border-top: 1px solid var(--steel-200);
  transition: border-color 0.3s var(--ease);
}
.value:hover { border-color: var(--accent); }
.value__num {
  display: block;
  margin-bottom: 28px;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--steel-400);
}
.value__title {
  margin-bottom: 12px;
  font-size: 1.375rem;
  line-height: 1.2;
}
.value p { font-size: 0.9688rem; max-width: 34ch; }

@media (min-width: 700px) {
  .values__grid { grid-template-columns: 1fr 1fr; column-gap: 40px; }
}
@media (min-width: 1100px) {
  .values__grid { grid-template-columns: repeat(4, 1fr); }
}

/* ==========================================================================
   Careers
   ========================================================================== */
.careers {
  position: relative;
  padding-block: clamp(96px, 13vw, 184px);
  color: rgba(255, 255, 255, 0.8);
  background: var(--navy-900);
  isolation: isolate;
  overflow: hidden;
}
.careers__media { position: absolute; inset: 0; z-index: -2; }
.careers__shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(8, 17, 29, 0.94) 0%, rgba(8, 17, 29, 0.8) 50%, rgba(8, 17, 29, 0.45) 100%);
}
.careers__inner { display: grid; gap: 56px; align-items: end; }
.careers .h2 { margin-bottom: 28px; color: var(--white); max-width: 16ch; }
.careers__body p:not(.eyebrow) { max-width: 54ch; }
.careers__body p + p { margin-top: 16px; }
.careers__body .btn { margin-top: 40px; }

.careers__areas { border-top: 1px solid rgba(255, 255, 255, 0.2); }
.careers__areas li {
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--white);
}

@media (min-width: 1024px) {
  .careers__inner { grid-template-columns: 7fr 4fr; gap: 120px; }
}

/* ==========================================================================
   Contact
   ========================================================================== */
.contact {
  position: relative;
  padding-block: var(--section-y);
  background: var(--navy-800);
  color: rgba(255, 255, 255, 0.76);
}
.contact__grid { display: grid; gap: 56px; }
.contact .h2 { margin-bottom: 28px; color: var(--white); max-width: 15ch; }
.contact__intro > p:not(.eyebrow) { max-width: 50ch; }

.contact__direct {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--line-dark);
}
.contact__direct-label {
  margin-bottom: 14px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--white);
}
.contact__direct-note {
  margin-top: 16px;
  max-width: 44ch;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.55);
}

.contact__panel {
  position: relative;
  padding: clamp(28px, 4vw, 56px);
  background: var(--white);
  color: var(--text);
  border-top: 3px solid var(--accent);
}

@media (min-width: 1024px) {
  .contact__grid { grid-template-columns: 5fr 7fr; gap: 96px; align-items: start; }
  .contact__intro { position: sticky; top: calc(var(--header-h) + 48px); }
}

/* ---------- Form ---------- */
.form { display: grid; gap: 22px; }
.form__row { display: grid; gap: 22px; }
@media (min-width: 640px) {
  .form__row--2 { grid-template-columns: 1fr 1fr; }
}

.field { display: flex; flex-direction: column; min-width: 0; }
.field label {
  margin-bottom: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.req { color: var(--accent-600); }
.field__optional { font-weight: 400; color: var(--muted); }

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 52px;
  padding: 13px 16px;
  border: 1px solid var(--steel-200);
  border-radius: var(--radius);
  background: var(--gray-50);
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.4;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.field textarea { resize: vertical; min-height: 148px; }
.field input::placeholder,
.field textarea::placeholder { color: var(--steel-400); }

.field input:hover,
.field select:hover,
.field textarea:hover { border-color: var(--steel-300); }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(28, 138, 155, 0.16);
}

.select { position: relative; }
.select select { appearance: none; -webkit-appearance: none; padding-right: 44px; cursor: pointer; }
.select::after {
  content: "";
  position: absolute;
  right: 18px; top: 50%;
  width: 8px; height: 8px;
  border-right: 1.5px solid var(--steel-500);
  border-bottom: 1.5px solid var(--steel-500);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}

.field.has-error input,
.field.has-error select,
.field.has-error textarea { border-color: #b4232c; background: #fff; }
.field__error {
  min-height: 0;
  margin-top: 6px;
  font-size: 0.8125rem;
  color: #b4232c;
}
.field__error:empty { display: none; }

.form__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 8px;
}
.form__trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__note { max-width: 40ch; font-size: 0.8125rem; color: var(--muted); }
.form__status { font-size: 0.875rem; color: #b4232c; }
.form__status:empty { display: none; }

@media (max-width: 639px) {
  .form__footer .btn { width: 100%; }
}

.form-success {
  padding: 24px 0;
  outline: none;
}
.form-success svg {
  width: 48px; height: 48px;
  margin-bottom: 28px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.form-success h3 {
  margin-bottom: 14px;
  font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem);
  line-height: 1.2;
  max-width: 20ch;
}
.form-success p { max-width: 44ch; margin-bottom: 32px; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--navy-950);
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.9375rem;
}
.footer__top {
  display: grid;
  gap: 48px;
  padding-block: clamp(64px, 8vw, 104px);
}
.footer__brand .logo { display: inline-block; margin-bottom: 20px; font-size: 1.625rem; }
.footer__brand p { max-width: 34ch; }

.footer__heading {
  margin-bottom: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
}
.footer__nav ul { display: grid; gap: 12px; }
.footer__nav a { transition: color 0.2s var(--ease); }
.footer__nav a:hover { color: var(--white); }
.footer__cta p:not(.footer__heading) { max-width: 30ch; margin-bottom: 24px; }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  padding-block: 28px;
  border-top: 1px solid var(--line-dark);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.45);
}
.footer__top-link:hover { color: var(--white); }

@media (min-width: 700px) {
  .footer__top { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1100px) {
  .footer__top { grid-template-columns: 4fr 2fr 3fr 3fr; gap: 64px; }
}

/* ==========================================================================
   Scroll reveal
   ========================================================================== */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

/* ==========================================================================
   Reduced motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }
  .js [data-reveal],
  .js .hero__item { opacity: 1; transform: none; }
  .hero__media img { transform: none; }
}