/* ==========================================================================
   CARTSPHERE E-COM — STYLESHEET
   Design system: warm ink / paper neutrals, deep forest primary,
   terracotta accent. Fraunces (display) + Inter (body).
   ========================================================================== */

/* ---------- 1. RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { min-height: 100vh; line-height: 1.5; -webkit-font-smoothing: antialiased; }
img, picture, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
table { border-collapse: collapse; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- 2. DESIGN TOKENS ---------- */
:root {
  /* Ink (warm near-black) */
  --ink-900: #14161c;
  --ink-800: #1f2129;
  --ink-700: #2b2e37;
  --ink-500: #5c5f6a;
  --ink-300: #9a9da7;
  --ink-150: #d8d5cb;
  --ink-100: #e7e4da;

  /* Paper (warm neutrals) */
  --paper-0: #faf8f3;
  --paper-50: #f3efe6;
  --paper-100: #ece6d9;
  --surface: #ffffff;

  /* Brand — deep forest teal */
  --brand-900: #0f2621;
  --brand-700: #16332c;
  --brand-600: #1e453b;
  --brand-500: #2c5f52;
  --brand-100: #dbe6e0;

  /* Accent — burnt terracotta */
  --accent-700: #8f4322;
  --accent-600: #b1552a;
  --accent-500: #c1622f;
  --accent-100: #f2e0d1;

  /* Borders / lines */
  --line: #e2ddd0;
  --line-strong: #cec6b2;
  --line-on-dark: rgba(250, 248, 243, 0.14);

  /* Semantic */
  --error: #a53d2f;

  /* Type */
  --font-display: 'Fraunces', ui-serif, Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --fs-hero: clamp(2.5rem, 1.6rem + 3.6vw, 4.75rem);
  --fs-h1: clamp(2.1rem, 1.5rem + 2.4vw, 3.25rem);
  --fs-h2: clamp(1.7rem, 1.35rem + 1.4vw, 2.5rem);
  --fs-h3: clamp(1.2rem, 1.05rem + 0.6vw, 1.5rem);
  --fs-lead: clamp(1.05rem, 0.98rem + 0.3vw, 1.2rem);
  --fs-body-lg: 1.0625rem;
  --fs-body: 1rem;
  --fs-small: 0.9rem;
  --fs-caption: 0.78rem;

  /* Spacing rhythm (varies intentionally per-section, not uniform) */
  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.25rem;
  --space-xl: 3.5rem;
  --space-2xl: 5rem;
  --space-3xl: 7rem;

  --container-w: 1280px;
  --container-narrow: 760px;
  --radius-sm: 3px;
  --radius-md: 5px;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur: 200ms;
}

/* ---------- 3. BASE TYPOGRAPHY ---------- */
body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--ink-800);
  background: var(--paper-0);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--ink-900);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

p { color: var(--ink-500); }

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

.skip-link {
  position: fixed; top: -100%; left: 1rem; z-index: 999;
  background: var(--ink-900); color: var(--paper-0);
  padding: 0.75rem 1.25rem; border-radius: var(--radius-sm);
  font-size: var(--fs-small); font-weight: 600;
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 1rem; }

:focus-visible {
  outline: 2px solid var(--accent-600);
  outline-offset: 3px;
}

/* ---------- 4. LAYOUT UTILITIES ---------- */
.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
}

.eyebrow {
  display: inline-block;
  font-size: var(--fs-caption);
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--accent-600);
  margin-bottom: var(--space-sm);
}
.eyebrow--light { color: #e3b98d; }

.section-title {
  font-size: var(--fs-h2);
  max-width: 32ch;
}

.section-lead {
  font-size: var(--fs-lead);
  max-width: 46ch;
  line-height: 1.6;
  margin-top: var(--space-sm);
}

.section-head { margin-bottom: var(--space-2xl); }
.section-head--split {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-xl);
  align-items: end;
}

.tag {
  display: inline-block;
  font-size: var(--fs-caption);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brand-700);
  background: var(--brand-100);
  padding: 0.3em 0.7em;
  border-radius: 999px;
  margin-bottom: var(--space-xs);
}

/* ---------- 5. BUTTONS & LINKS ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--fs-small);
  letter-spacing: 0.01em;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  overflow: hidden;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
  cursor: pointer;
}
.btn:active { transform: translateY(1px); }
.btn__icon { width: 16px; height: 16px; flex-shrink: 0; transition: transform var(--dur) var(--ease); }
.btn:hover .btn__icon { transform: translateX(2px); }

.btn--primary { background: var(--ink-900); color: var(--paper-0); }
.btn--primary:hover { background: var(--brand-700); }

.btn--accent { background: var(--accent-600); color: var(--paper-0); }
.btn--accent:hover { background: var(--accent-700); }

.btn--lg { padding: 1rem 1.9rem; font-size: var(--fs-body); }
.btn--sm { padding: 0.6rem 1.15rem; font-size: var(--fs-caption); }
.btn--block { width: 100%; }

.link-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  font-size: var(--fs-small);
  color: var(--ink-900);
  border-bottom: 1px solid var(--ink-300);
  padding-bottom: 0.15rem;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), gap var(--dur) var(--ease);
}
.link-cta svg, .link-cta__icon { width: 15px; height: 15px; }
.link-cta:hover { color: var(--accent-600); border-color: var(--accent-600); gap: 0.6rem; }
.link-cta--sm { font-size: var(--fs-caption); margin-top: var(--space-sm); }

/* ripple */
.btn .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(250, 248, 243, 0.35);
  transform: scale(0);
  animation: ripple 550ms var(--ease);
  pointer-events: none;
}
@keyframes ripple { to { transform: scale(2.6); opacity: 0; } }

/* ---------- 6. HEADER / NAV ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 243, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 1px 0 rgba(20, 22, 28, 0.02);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  height: 76px;
}

.brand { display: inline-flex; align-items: center; gap: 0.65rem; }
.brand__mark {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  color: var(--ink-900);
}
.brand__mark path { stroke: currentColor; }
.brand__mark circle { fill: var(--accent-600); }
.brand__word {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--ink-900);
  letter-spacing: -0.01em;
}

.primary-nav__list { display: flex; align-items: center; gap: var(--space-lg); }
.primary-nav__link {
  position: relative;
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--ink-700);
  padding-block: 0.3rem;
  transition: color var(--dur) var(--ease);
}
.primary-nav__link::after {
  content: '';
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 1px;
  background: var(--accent-600);
  transition: right var(--dur) var(--ease);
}
.primary-nav__link:hover { color: var(--ink-900); }
.primary-nav__link:hover::after,
.primary-nav__link.is-active::after { right: 0; }
.primary-nav__link.is-active { color: var(--ink-900); }

.site-header__actions { display: flex; align-items: center; gap: var(--space-md); }

.nav-toggle {
  display: none;
  position: relative;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
}
.nav-toggle__icon { width: 22px; height: 22px; position: absolute; transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease); }
.nav-toggle__icon--close { opacity: 0; transform: rotate(-90deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__icon--open { opacity: 0; transform: rotate(90deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__icon--close { opacity: 1; transform: rotate(0); }

.mobile-nav {
  display: none;
  position: fixed;
  inset: 76px 0 0 0;
  background: var(--paper-0);
  z-index: 99;
  padding: var(--space-lg) clamp(1.25rem, 4vw, 3rem) var(--space-xl);
  overflow-y: auto;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.mobile-nav.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
.mobile-nav__list { display: flex; flex-direction: column; margin-bottom: var(--space-lg); }
.mobile-nav__link {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-900);
}

/* ---------- 7. MEDIA PLACEHOLDER COMPONENT ---------- */
.media {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  border: 1px solid var(--line);
  isolation: isolate;
}
.media__texture {
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(135deg, rgba(20,22,28,0.05) 0px, rgba(20,22,28,0.05) 1px, transparent 1px, transparent 13px);
  z-index: 1;
}
.media::before {
  content: '';
  position: absolute; inset: 0;
  z-index: 0;
}
.media--a::before { background: linear-gradient(155deg, var(--brand-600), var(--brand-900) 75%); }
.media--b::before { background: linear-gradient(155deg, #3c3a33, var(--ink-900) 75%); }
.media--c::before { background: linear-gradient(155deg, var(--accent-500), var(--accent-700) 80%); }
.media--d::before { background: linear-gradient(155deg, var(--brand-500), var(--ink-800) 80%); }

.media__icon {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -55%);
  width: 30%; height: 30%;
  max-width: 90px; max-height: 90px;
  color: rgba(250, 248, 243, 0.28);
  stroke-width: 1;
  z-index: 1;
}
.media__caption {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 0.8rem 1rem;
  font-size: var(--fs-caption);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--paper-0);
  background: linear-gradient(to top, rgba(15, 16, 20, 0.55), transparent);
}
.media--hero { aspect-ratio: 5 / 6; }

/* Photo variant: a real photograph fills the frame instead of the
   duotone/icon placeholder. Caption treatment stays identical. */
.media--photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.media--photo.media--hero img { object-position: center 62%; }

/* ---------- 8. HERO ---------- */
.hero {
  padding-top: clamp(3rem, 7vw, 6rem);
  padding-bottom: var(--space-3xl);
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.85fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.hero__grid > * { min-width: 0; }
.hero__headline {
  font-size: var(--fs-hero);
  max-width: 15ch;
  margin-bottom: var(--space-md);
}
.hero__subhead {
  font-size: var(--fs-lead);
  max-width: 46ch;
  line-height: 1.65;
  margin-bottom: var(--space-lg);
}
.hero__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}
.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--line);
}
.hero__trust li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: var(--fs-caption);
  font-weight: 500;
  color: var(--ink-500);
}
.hero__trust svg { width: 15px; height: 15px; color: var(--brand-600); flex-shrink: 0; }

.hero__media { position: relative; }
.hero__stat-card {
  position: absolute;
  right: -1.75rem;
  top: -1.75rem;
  width: 190px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: 0 16px 40px -18px rgba(20, 22, 28, 0.28);
}
.hero__stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--ink-900);
  line-height: 1;
  margin-bottom: 0.4rem;
}
.hero__stat-label {
  font-size: var(--fs-caption);
  color: var(--ink-500);
  line-height: 1.4;
}

/* ---------- 9. CREDIBILITY BAND ---------- */
.credibility {
  background: var(--ink-900);
  padding-block: var(--space-lg);
}
.credibility__inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-md);
}
.credibility__label {
  font-size: var(--fs-caption);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #e3b98d;
}
.credibility__list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md) var(--space-xl);
}
.credibility__item {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: var(--fs-small);
  color: var(--paper-100);
  line-height: 1.4;
}
.credibility__item svg { width: 17px; height: 17px; color: #e3b98d; flex-shrink: 0; margin-top: 0.15em; }

/* ---------- 10. WHY CHOOSE (numbered editorial list) ---------- */
.why { padding-block: var(--space-3xl); }
.why__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 5rem);
}
.why__intro { position: sticky; top: 110px; align-self: start; }
.why__list { display: flex; flex-direction: column; }
.why__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-lg);
  padding-block: var(--space-lg);
  border-top: 1px solid var(--line);
}
.why__item:last-child { border-bottom: 1px solid var(--line); }
.why__index {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--ink-150);
  font-weight: 400;
}
.why__body h3 { font-size: var(--fs-h3); margin-bottom: 0.5rem; }
.why__body p { max-width: 50ch; line-height: 1.65; }

/* ---------- 11. PRODUCT CATEGORIES (bento grid) ---------- */
.categories { padding-block: var(--space-2xl); background: var(--paper-50); }
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: minmax(180px, auto);
  gap: var(--space-md);
}
.category-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.category-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
  box-shadow: 0 20px 40px -24px rgba(20,22,28,0.25);
}
.category-card .media { aspect-ratio: auto; flex: 1; border: none; border-radius: 0; min-height: 140px; }
.category-card__body { padding: var(--space-md); }
.category-card__body h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }
.category-card__body p { font-size: var(--fs-small); line-height: 1.55; margin-bottom: 0.25rem; }

.category-card--feature {
  grid-column: span 2;
  grid-row: span 2;
}
.category-card--feature .media { min-height: 260px; }
.category-card--feature h3 { font-size: 1.5rem; }
.category-card--feature .category-card__body { padding: var(--space-lg); }
.category-card--feature p { font-size: var(--fs-body); }

/* ---------- 12. INDUSTRIES (divided list) ---------- */
.industries { padding-block: var(--space-3xl); }
.industries .section-head { margin-bottom: var(--space-xl); }
.industry-list { border-top: 1px solid var(--line); }
.industry-row {
  display: grid;
  grid-template-columns: 3.5rem 2.5rem 1fr 2fr;
  align-items: center;
  gap: var(--space-lg);
  padding-block: var(--space-lg);
  border-bottom: 1px solid var(--line);
  transition: background-color var(--dur) var(--ease);
}
.industry-row:hover { background: var(--paper-50); }
.industry-row__index {
  font-family: var(--font-display);
  color: var(--ink-150);
  font-size: 1.1rem;
}
.industry-row__icon { width: 22px; height: 22px; color: var(--brand-600); }
.industry-row__name { font-size: var(--fs-h3); }
.industry-row__desc { color: var(--ink-500); font-size: var(--fs-small); line-height: 1.55; max-width: 48ch; }

/* ---------- 13. PARTNERSHIP PROCESS (timeline) ---------- */
.process { padding-block: var(--space-3xl); background: var(--ink-900); }
.process .eyebrow { color: #e3b98d; }
.process .section-title, .process h3 { color: var(--paper-0); }
.process .section-lead { color: var(--ink-150); }

.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
  position: relative;
  margin-top: var(--space-2xl);
}
.timeline::before {
  content: '';
  position: absolute;
  top: 1.1rem;
  left: 0; right: 0;
  height: 1px;
  background: var(--line-on-dark);
}
.timeline__step { position: relative; }
.timeline__marker {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--ink-900);
  border: 1px solid var(--line-on-dark);
  margin-bottom: var(--space-md);
}
.timeline__marker span {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--paper-0);
}
.timeline__content h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.timeline__content p { color: var(--ink-150); font-size: var(--fs-small); line-height: 1.6; max-width: 30ch; }

.timeline__step:nth-child(even) .timeline__marker { background: var(--accent-600); border-color: var(--accent-600); }

/* ---------- 14. BUSINESS BENEFITS (sticky split) ---------- */
.benefits { padding-block: var(--space-3xl); }
.benefits__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 5rem);
}
.benefits__intro { position: sticky; top: 110px; align-self: start; }
.benefits__intro .section-lead { margin-bottom: var(--space-lg); }

.benefit-rows { display: flex; flex-direction: column; }
.benefit-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-md);
  align-items: flex-start;
  padding-block: var(--space-lg);
  border-top: 1px solid var(--line);
}
.benefit-row:last-child { border-bottom: 1px solid var(--line); }
.benefit-row__icon {
  width: 22px; height: 22px;
  color: var(--accent-600);
  margin-top: 0.2rem;
}
.benefit-row h3 { font-size: 1.1rem; margin-bottom: 0.3rem; }
.benefit-row p { font-size: var(--fs-small); line-height: 1.55; max-width: 42ch; }

/* ---------- 15. FEATURED PRODUCTS (alternating rows) ---------- */
.featured { padding-block: var(--space-2xl); background: var(--paper-50); }
.product-list { display: flex; flex-direction: column; gap: var(--space-2xl); }
.product-row {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}
.product-row--reverse { grid-template-columns: 1.1fr 0.9fr; }
.product-row--reverse .media { order: 2; }
.product-row--reverse .product-row__body { order: 1; }
.product-row .media { aspect-ratio: 16/11; }
.product-row__body h3 { font-size: 1.6rem; margin-bottom: var(--space-md); }

.spec-list { display: flex; flex-direction: column; gap: 0.6rem; margin-bottom: var(--space-md); }
.spec-list > div {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: var(--space-md);
  padding-bottom: 0.6rem;
  border-bottom: 1px dashed var(--line);
  font-size: var(--fs-small);
}
.spec-list dt { color: var(--ink-500); font-weight: 500; }
.spec-list dd { color: var(--ink-800); }

/* ---------- 16. TRUST STRIP ---------- */
.trust-strip { padding-block: var(--space-3xl); }
.trust-strip__statement {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  font-weight: 400;
  font-style: italic;
  color: var(--ink-900);
  max-width: 22ch;
  line-height: 1.25;
  margin-bottom: var(--space-2xl);
}
.trust-strip__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}
.trust-strip__item { padding-top: var(--space-md); }
.trust-strip__rule { display: block; width: 2.5rem; height: 2px; background: var(--accent-600); margin-bottom: var(--space-md); }
.trust-strip__item h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.trust-strip__item p { font-size: var(--fs-small); line-height: 1.55; }

/* ---------- 17. TESTIMONIALS ---------- */
.testimonials { padding-block: var(--space-2xl); background: var(--brand-900); }
.testimonials .eyebrow { color: #e3b98d; }
.testimonials__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-lg);
}
.testimonial {
  color: var(--paper-100);
}
.testimonial p {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--paper-0);
  line-height: 1.55;
}
.testimonial footer { margin-top: var(--space-md); display: flex; flex-direction: column; gap: 0.15rem; }
.testimonial__name { font-weight: 600; font-size: var(--fs-small); color: var(--paper-0); }
.testimonial__role { font-size: var(--fs-caption); color: var(--ink-150); }

.testimonial--featured {
  background: rgba(250, 248, 243, 0.05);
  border: 1px solid var(--line-on-dark);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  position: relative;
}
.testimonial__quote-mark { width: 34px; height: 34px; color: var(--accent-500); margin-bottom: var(--space-md); }
.testimonial--featured p { font-size: 1.4rem; }

.testimonials__side { display: flex; flex-direction: column; gap: var(--space-lg); }
.testimonials__side .testimonial { padding: var(--space-lg) 0 0; border-top: 1px solid var(--line-on-dark); }
.testimonials__side .testimonial p { font-size: 1.05rem; }

/* ---------- 18. COMPANY OVERVIEW ---------- */
.company { padding-block: var(--space-3xl); }
.company__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  grid-template-areas:
    "col portrait"
    "triptych triptych";
  gap: var(--space-2xl) var(--space-xl);
  align-items: start;
}
.company__col { grid-area: col; max-width: var(--container-narrow); }
.company__portrait { grid-area: portrait; aspect-ratio: 4 / 5; }
.company__lead { font-size: var(--fs-lead); line-height: 1.65; margin-top: var(--space-md); }
.company__pullquote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.35rem;
  color: var(--ink-800);
  line-height: 1.5;
  border-left: 2px solid var(--accent-600);
  padding-left: var(--space-lg);
  margin-top: var(--space-xl);
}
.company__triptych {
  grid-area: triptych;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--line);
}
.company__numeral {
  display: block;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--accent-600);
  margin-bottom: var(--space-sm);
}
.company__value h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.company__value p { font-size: var(--fs-small); line-height: 1.6; }

/* ---------- 19. FAQ ---------- */
.faq { padding-block: var(--space-3xl); background: var(--paper-50); }
.faq__container { max-width: var(--container-narrow); }
.faq .section-head { margin-bottom: var(--space-xl); }

.accordion__item { border-bottom: 1px solid var(--line); }
.accordion__heading { font-size: 1rem; }
.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  text-align: left;
  padding-block: var(--space-md);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--fs-body-lg);
  color: var(--ink-900);
}
.accordion__icon { width: 19px; height: 19px; flex-shrink: 0; color: var(--accent-600); transition: transform var(--dur) var(--ease); }
.accordion__trigger[aria-expanded="true"] .accordion__icon { transform: rotate(45deg); }

.accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  transition: grid-template-rows 260ms var(--ease);
}
.accordion__panel > p {
  overflow: hidden;
  min-height: 0;
  font-size: var(--fs-body);
  line-height: 1.65;
  max-width: 62ch;
  padding-bottom: 0;
  grid-row: 1 / 2;
}
.accordion__item.is-open .accordion__panel { grid-template-rows: 1fr; }
.accordion__item.is-open .accordion__panel > p { padding-bottom: var(--space-lg); }

/* ---------- 20. CONTACT ---------- */
.contact { padding-block: var(--space-3xl); }
.contact__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
}
.contact__details { margin-top: var(--space-xl); display: flex; flex-direction: column; gap: var(--space-md); }
.contact__details dt {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-caption);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-500);
  margin-bottom: 0.3rem;
}
.contact__details dt svg { width: 16px; height: 16px; color: var(--brand-600); }
.contact__details dd { font-size: var(--fs-body-lg); color: var(--ink-900); }
.contact__details dd a { color: inherit; text-decoration: none; border-bottom: 1px solid var(--line); transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.contact__details dd a:hover { color: var(--brand-600); border-bottom-color: currentColor; }

.contact__next {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--line);
}
.contact__next-label {
  font-size: var(--fs-caption);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-500);
  margin-bottom: var(--space-md);
}
.contact__next-list { display: flex; flex-direction: column; gap: var(--space-md); }
.contact__next-list li {
  display: grid;
  grid-template-columns: 1.75rem 1fr;
  gap: var(--space-sm);
  font-size: var(--fs-small);
  color: var(--ink-700);
  line-height: 1.55;
}
.contact__next-index {
  font-family: var(--font-display);
  color: var(--ink-150);
  font-size: 1.05rem;
}

.contact__form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.form-row { display: grid; gap: var(--space-md); }
.form-row--2 { grid-template-columns: 1fr 1fr; }

.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label {
  font-size: var(--fs-caption);
  font-weight: 600;
  color: var(--ink-700);
}
.field label span { color: var(--accent-600); margin-left: 0.15rem; }
.field input, .field textarea, .field select {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.9rem;
  font-size: var(--fs-body);
  background: var(--paper-0);
  color: var(--ink-900);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  width: 100%;
}
.field input:hover, .field textarea:hover, .field select:hover { border-color: var(--ink-300); }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--brand-600);
  box-shadow: 0 0 0 3px var(--brand-100);
}
.field textarea { resize: vertical; min-height: 100px; }
.field.has-error input, .field.has-error textarea, .field.has-error select { border-color: var(--error); }
.field__error {
  font-size: var(--fs-caption);
  color: var(--error);
  min-height: 1em;
}

.select-wrap { position: relative; }
.select-wrap select { appearance: none; -webkit-appearance: none; padding-right: 2.5rem; cursor: pointer; }
.select-wrap__icon {
  position: absolute; right: 0.9rem; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; color: var(--ink-500); pointer-events: none;
}

.form-status {
  font-size: var(--fs-small);
  font-weight: 500;
  min-height: 1.2em;
}
.form-status.is-success { color: var(--brand-700); }
.form-status.is-error { color: var(--error); }

/* ---------- 21. FINAL CTA ---------- */
.final-cta {
  background: var(--ink-900);
  background-image: radial-gradient(ellipse at top right, rgba(193, 98, 47, 0.16), transparent 55%);
  padding-block: var(--space-3xl);
  text-align: center;
}
.final-cta__inner { display: flex; flex-direction: column; align-items: center; max-width: 640px; margin-inline: auto; }
.final-cta__headline {
  font-size: var(--fs-h1);
  color: var(--paper-0);
  margin-bottom: var(--space-md);
}
.final-cta__sub { color: var(--ink-150); font-size: var(--fs-lead); margin-bottom: var(--space-xl); }

/* ---------- 22. FOOTER ---------- */
.site-footer { background: var(--ink-800); color: var(--paper-100); padding-top: var(--space-2xl); }
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 0.8fr 0.8fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--line-on-dark);
}
.brand--footer .brand__word { color: var(--paper-0); }
.brand--footer .brand__mark { color: var(--paper-0); }
.site-footer__brand p { font-size: var(--fs-small); color: var(--ink-150); margin-top: var(--space-md); line-height: 1.6; }

.site-footer__col h3 {
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--paper-0);
  margin-bottom: var(--space-md);
}
.site-footer__col ul { display: flex; flex-direction: column; gap: 0.65rem; }
.site-footer__col li, .site-footer__col a { font-size: var(--fs-small); color: var(--ink-150); }
.site-footer__col a { transition: color var(--dur) var(--ease); }
.site-footer__col a:hover { color: var(--paper-0); }

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding-block: var(--space-lg);
  font-size: var(--fs-caption);
  color: var(--ink-300);
}

/* ---------- 23. BACK TO TOP ---------- */
.back-to-top {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  background: var(--ink-900);
  color: var(--paper-0);
  border-radius: 50%;
  box-shadow: 0 12px 28px -12px rgba(20,22,28,0.45);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), background-color var(--dur) var(--ease), visibility var(--dur);
  z-index: 90;
}
.back-to-top svg { width: 18px; height: 18px; }
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--brand-700); }

/* ---------- 24. PAGE LOADER ---------- */
.page-loader {
  position: fixed; inset: 0;
  background: var(--paper-0);
  z-index: 999;
  display: flex; align-items: center; justify-content: center;
  transition: opacity 420ms var(--ease), visibility 420ms;
}
.page-loader::after {
  content: '';
  width: 28px; height: 28px;
  border: 2px solid var(--line-strong);
  border-top-color: var(--ink-900);
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}
.page-loader.is-hidden { opacity: 0; visibility: hidden; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 25. SCROLL REVEAL ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 560ms var(--ease), transform 560ms var(--ease);
}
[data-reveal].is-revealed { opacity: 1; transform: translateY(0); }
[data-reveal-delay="1"] { transition-delay: 90ms; }
[data-reveal-delay="2"] { transition-delay: 180ms; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 1080px) {
  .why__grid, .benefits__grid { grid-template-columns: 1fr; }
  .why__intro, .benefits__intro { position: static; }
  .credibility__list { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .category-card--feature { grid-column: span 2; }
  .trust-strip__grid { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(3, 1fr); row-gap: var(--space-xl); }
  .timeline::before { display: none; }

  /* Seven nav items + CTA no longer fit comfortably below desktop widths */
  .primary-nav, .site-header__actions .btn--primary { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-nav { display: block; }
}

@media (max-width: 900px) {
  .section-head--split { grid-template-columns: 1fr; align-items: start; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__media { order: -1; max-width: 420px; margin-inline: auto; }
  .hero__headline { max-width: 100%; }
  .testimonials__grid { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
  .product-row, .product-row--reverse { grid-template-columns: 1fr; }
  .product-row--reverse .media, .product-row--reverse .product-row__body { order: initial; }
  .company__triptych { grid-template-columns: 1fr; gap: var(--space-xl); }
  .company__grid {
    grid-template-columns: 1fr;
    grid-template-areas: "col" "portrait" "triptych";
  }
  .company__portrait { aspect-ratio: 16 / 9; }
}

@media (max-width: 760px) {
  .credibility__list { grid-template-columns: 1fr; }
  .industry-row {
    grid-template-columns: 1.75rem 1.5rem 1fr;
    grid-template-areas:
      "index icon name"
      "desc  desc  desc";
    align-items: center;
    column-gap: 0.6rem;
    row-gap: 0.35rem;
  }
  .industry-row__index { grid-area: index; }
  .industry-row__icon { grid-area: icon; }
  .industry-row__name { grid-area: name; }
  .industry-row__desc { grid-area: desc; align-self: start; }
  .category-grid { grid-template-columns: 1fr; }
  .category-card--feature { grid-column: span 1; grid-row: span 1; }
  .trust-strip__grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .timeline { grid-template-columns: 1fr; }
  .form-row--2 { grid-template-columns: 1fr; }
  .site-footer__grid { grid-template-columns: repeat(2, 1fr); }
  .spec-list > div { grid-template-columns: 1fr; gap: 0.15rem; }
  .hero__stat-card { position: static; margin-top: var(--space-md); width: 100%; }
}

@media (max-width: 480px) {
  .site-footer__grid { grid-template-columns: 1fr; }
  .site-footer__bottom { flex-direction: column; }
  .hero__actions { flex-direction: column; align-items: flex-start; }
}