/* ============================================================
   AH ECOMMERCE LTD — Modern Industrial design system
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  /* Surface */
  --ink: #0A1628;
  --ink-2: #142844;
  --ink-3: #1F3656;
  --paper: #F5F2EC;
  --paper-2: #ECE6D9;
  --bone: #FAF8F2;

  /* Brand */
  --signal: #F2A516;
  --signal-deep: #C8830A;
  --signal-soft: #FFE7B0;

  /* Text */
  --text: #0A1628;
  --text-muted: #4A5567;
  --text-faint: #6B7689;
  --text-inv: #F5F2EC;
  --text-inv-muted: rgba(245, 242, 236, 0.66);
  --text-inv-faint: rgba(245, 242, 236, 0.38);

  /* Rules */
  --rule: rgba(10, 22, 40, 0.12);
  --rule-strong: rgba(10, 22, 40, 0.32);
  --rule-inv: rgba(245, 242, 236, 0.16);
  --rule-inv-strong: rgba(245, 242, 236, 0.36);

  /* Type */
  --f-display: 'Archivo', system-ui, sans-serif;
  --f-body: 'IBM Plex Sans', system-ui, sans-serif;
  --f-mono: 'IBM Plex Mono', ui-monospace, monospace;

  /* Spacing */
  --gutter: clamp(1.25rem, 3vw, 2rem);
  --section-y: clamp(3rem, 7vw, 7.5rem);
  --container: 1320px;

  /* Motion */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 160ms;
  --t-base: 260ms;
  --t-slow: 600ms;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--f-body);
  font-size: 1rem;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

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

::selection {
  background: var(--signal);
  color: var(--ink);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: 800;
  color: var(--text);
  margin: 0;
  letter-spacing: -0.025em;
  line-height: 1.05;
}

.display-1 {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(2.75rem, 7vw, 6.25rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.display-2 {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(2.25rem, 4.6vw, 4rem);
  line-height: 1.0;
  letter-spacing: -0.03em;
}

.display-3 {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 2.4vw, 2.125rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.lead {
  font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 56ch;
}

.eyebrow {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
}

.eyebrow::before {
  content: '';
  width: 1.5rem;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}

.eyebrow--signal {
  color: var(--signal-deep);
}

.eyebrow--inv {
  color: var(--text-inv-muted);
}

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

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

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

.section--tight {
  padding-block: clamp(2.5rem, 6vw, 5rem);
}

.section--ink {
  background: var(--ink);
  color: var(--text-inv);
}

.section--ink .lead,
.section--ink .eyebrow {
  color: var(--text-inv-muted);
}

.section--ink h1,
.section--ink h2,
.section--ink h3,
.hero h1,
.hero h2,
.hero h3 {
  color: var(--text-inv);
}

.section--paper-2 {
  background: var(--paper-2);
}

.section-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
  margin-bottom: clamp(2rem, 4vw, 4rem);
  max-width: 60rem;
}

.section-header--split {
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  align-items: end;
  max-width: none;
  gap: 2.5rem;
}

@media (max-width: 760px) {
  .section-header--split {
    grid-template-columns: 1fr;
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.95rem 1.5rem;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  text-transform: none;
  border: 1.5px solid transparent;
  transition: background var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease);
  cursor: pointer;
  white-space: nowrap;
}

.btn--primary {
  background: var(--signal);
  color: var(--ink);
  border-color: var(--signal);
}

.btn--primary:hover {
  background: var(--signal-deep);
  border-color: var(--signal-deep);
  color: var(--ink);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}

.btn--ghost:hover {
  background: var(--ink);
  color: var(--text-inv);
}

.section--ink .btn--ghost {
  color: var(--text-inv);
  border-color: var(--text-inv);
}

.section--ink .btn--ghost:hover {
  background: var(--text-inv);
  color: var(--ink);
}

.btn__arrow {
  width: 16px;
  height: 16px;
  transition: transform var(--t-fast) var(--ease);
}

.btn:hover .btn__arrow {
  transform: translateX(3px);
}

/* ---------- Top nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
  transition: background var(--t-base) var(--ease),
              border-color var(--t-base) var(--ease);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 2rem;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav__brand-mark {
  width: 40px;
  height: 40px;
}

.nav__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.nav__brand-name {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.nav__brand-sub {
  font-family: var(--f-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 3px;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__link {
  padding: 0.6rem 1rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text);
  position: relative;
  transition: color var(--t-fast) var(--ease);
}

.nav__link::after {
  content: '';
  position: absolute;
  inset-inline: 1rem;
  bottom: 0.35rem;
  height: 2px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-base) var(--ease);
}

.nav__link:hover::after,
.nav__link[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav__link[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

.nav__cta {
  margin-left: 0.75rem;
  padding: 0.7rem 1.15rem;
  font-size: 0.875rem;
  background: var(--ink);
  color: var(--text-inv);
  font-family: var(--f-display);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: background var(--t-fast) var(--ease);
}

.nav__cta:hover {
  background: var(--signal);
  color: var(--ink);
}

.nav__cta svg {
  width: 14px;
  height: 14px;
}

.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  position: relative;
  border: 1px solid var(--rule-strong);
}

.nav__toggle span {
  position: absolute;
  inset-inline: 11px;
  height: 2px;
  background: var(--ink);
  transition: transform var(--t-base) var(--ease),
              opacity var(--t-base) var(--ease),
              top var(--t-base) var(--ease);
}

.nav__toggle span:nth-child(1) { top: 15px; }
.nav__toggle span:nth-child(2) { top: 21px; }
.nav__toggle span:nth-child(3) { top: 27px; }

.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  top: 21px;
  transform: rotate(45deg);
}

.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  top: 21px;
  transform: rotate(-45deg);
}

@media (max-width: 920px) {
  .nav__toggle { display: block; }

  .nav__menu {
    position: fixed;
    inset: 0;
    background: var(--paper);
    flex-direction: column;
    align-items: stretch;
    padding: calc(76px + 1.5rem) var(--gutter) 2.5rem;
    gap: 0;
    transform: translateY(-100%);
    transition: transform var(--t-slow) var(--ease-out);
    overflow-y: auto;
    z-index: 40;
  }

  .nav__menu[data-open="true"] {
    transform: translateY(0);
  }

  .nav__link {
    padding: 1rem 0;
    border-bottom: 1px solid var(--rule);
    font-size: 1.375rem;
    font-family: var(--f-display);
    font-weight: 700;
    letter-spacing: -0.015em;
  }

  .nav__link::after { display: none; }

  .nav__link[aria-current="page"] {
    color: var(--signal-deep);
  }

  .nav__cta {
    margin: 1.5rem 0 0;
    justify-content: center;
    padding: 1.05rem;
    font-size: 1rem;
  }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--ink);
  color: var(--text-inv);
  overflow: hidden;
  isolation: isolate;
}

.hero--full {
  padding-block: clamp(3.5rem, 10vw, 9rem) clamp(2.75rem, 7vw, 7rem);
}

.hero--page {
  padding-block: clamp(3rem, 7vw, 7rem) clamp(2.25rem, 5vw, 5rem);
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--rule-inv) 1px, transparent 1px),
    linear-gradient(to bottom, var(--rule-inv) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 100% 80% at 50% 0%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 100% 80% at 50% 0%, #000 30%, transparent 80%);
  opacity: 0.55;
  pointer-events: none;
  z-index: -1;
}

.hero__glow {
  position: absolute;
  width: 60rem;
  height: 60rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 165, 22, 0.22) 0%, rgba(242, 165, 22, 0.05) 35%, transparent 65%);
  top: -25rem;
  right: -20rem;
  pointer-events: none;
  z-index: -1;
  animation: glow-breathe 7s ease-in-out infinite alternate;
  will-change: transform, opacity;
}

@keyframes glow-breathe {
  from { opacity: 0.85; transform: translate3d(0, 0, 0) scale(1); }
  to { opacity: 1; transform: translate3d(-2rem, 1rem, 0) scale(1.08); }
}

/* ---------- Ember particles ---------- */
.hero__embers {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: -1;
}

.ember {
  position: absolute;
  bottom: -12px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #FFC75A;
  box-shadow:
    0 0 4px 1px rgba(242, 165, 22, 0.95),
    0 0 10px 3px rgba(242, 165, 22, 0.55),
    0 0 22px 8px rgba(242, 165, 22, 0.18);
  opacity: 0;
  --ember-drift: 0px;
  --ember-distance: 100vh;
  animation: ember-rise 9s linear infinite;
  will-change: transform, opacity;
}

@keyframes ember-rise {
  0% {
    transform: translate3d(0, 0, 0) scale(0.55);
    opacity: 0;
  }
  6% {
    opacity: 1;
  }
  35% {
    transform: translate3d(calc(var(--ember-drift) * 0.35), calc(var(--ember-distance) * -0.35), 0) scale(1);
    opacity: 0.95;
  }
  72% {
    transform: translate3d(calc(var(--ember-drift) * 0.75), calc(var(--ember-distance) * -0.72), 0) scale(0.75);
    opacity: 0.7;
  }
  100% {
    transform: translate3d(var(--ember-drift), calc(var(--ember-distance) * -1.05), 0) scale(0.2);
    opacity: 0;
  }
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  font-family: var(--f-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-inv-muted);
}

.hero__meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.hero__meta span::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--signal);
}

.hero__meta-sep {
  width: 32px;
  height: 1px;
  background: var(--rule-inv-strong);
}

.hero__headline {
  max-width: 18ch;
}

.hero__headline-signal {
  display: inline-block;
  position: relative;
  color: var(--signal);
}

.hero__headline-signal::after {
  content: '';
  position: absolute;
  inset-inline: 0;
  bottom: 0.08em;
  height: 6px;
  background: var(--signal);
  opacity: 0.35;
}

.hero__sub {
  max-width: 52ch;
  margin-top: 1.75rem;
  color: var(--text-inv-muted);
  font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
  line-height: 1.55;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-top: 2.5rem;
}

.hero__ctas .btn--ghost {
  color: var(--text-inv);
  border-color: var(--rule-inv-strong);
}

.hero__ctas .btn--ghost:hover {
  background: var(--text-inv);
  color: var(--ink);
  border-color: var(--text-inv);
}

.hero__footer {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: clamp(3.5rem, 6vw, 5rem);
  padding-top: 2rem;
  border-top: 1px solid var(--rule-inv);
}

.hero__footer-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.hero__footer-num {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 2.4vw, 2.125rem);
  color: var(--text-inv);
  line-height: 1;
  letter-spacing: -0.02em;
}

.hero__footer-num--signal {
  color: var(--signal);
}

.hero__footer-label {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-inv-muted);
}

@media (max-width: 760px) {
  .hero__footer {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: clamp(2.5rem, 5vw, 4rem);
  }
  .hero__footer-num {
    font-size: clamp(1.125rem, 4.5vw, 1.625rem);
  }
  .hero__footer-label {
    font-size: 0.65rem;
    letter-spacing: 0.1em;
  }
}

@media (max-width: 480px) {
  .hero__footer {
    grid-template-columns: 1fr;
    gap: 0;
    padding-top: 1.5rem;
  }
  .hero__footer-item {
    display: grid;
    grid-template-columns: 3.5rem 1fr;
    column-gap: 1.25rem;
    align-items: baseline;
    padding-block: 0.875rem;
    border-bottom: 1px solid var(--rule-inv);
  }
  .hero__footer-item:last-child {
    border-bottom: 0;
  }
  .hero__footer-num {
    font-size: 1.5rem;
  }
  .hero__footer-label {
    font-size: 0.6875rem;
  }
}

/* ---------- Stats ticker (marquee) ---------- */
.ticker {
  background: var(--ink);
  color: var(--text-inv);
  border-block: 1px solid var(--rule-inv);
  overflow: hidden;
  position: relative;
}

.ticker__track {
  display: flex;
  align-items: center;
  gap: 4rem;
  padding-block: 1.25rem;
  width: max-content;
  animation: marquee 38s linear infinite;
}

.ticker__item {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(1.125rem, 1.6vw, 1.5rem);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.ticker__item-num {
  color: var(--signal);
  font-weight: 900;
}

.ticker__sep {
  width: 8px;
  height: 8px;
  background: var(--signal);
  transform: rotate(45deg);
  flex-shrink: 0;
}

.ticker:hover .ticker__track {
  animation-play-state: paused;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Feature cards (Why partner) ---------- */
.features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--rule);
  background: var(--paper-2);
}

.feature {
  position: relative;
  background: var(--paper);
  padding: 2.5rem 2rem 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  border-right: 1px solid var(--rule);
  transition: background var(--t-base) var(--ease);
}

.feature:last-child {
  border-right: 0;
}

.feature:hover {
  background: var(--bone);
}

.feature__num {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--signal-deep);
  font-weight: 500;
}

.feature__icon {
  width: 44px;
  height: 44px;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.feature__title {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.1875rem;
  line-height: 1.2;
  letter-spacing: -0.015em;
}

.feature__body {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .features {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature:nth-child(2) { border-right: 0; }
  .feature:nth-child(1),
  .feature:nth-child(2) {
    border-bottom: 1px solid var(--rule);
  }
}

@media (max-width: 580px) {
  .features {
    grid-template-columns: 1fr;
  }
  .feature {
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }
  .feature:last-child { border-bottom: 0; }
}

/* ---------- Category cards ---------- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.cat {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: transform var(--t-base) var(--ease),
              border-color var(--t-base) var(--ease),
              background var(--t-base) var(--ease);
  overflow: hidden;
  isolation: isolate;
}

.cat::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-base) var(--ease);
}

.cat:hover {
  transform: translateY(-4px);
  border-color: var(--ink);
  background: var(--bone);
}

.cat:hover::before {
  transform: scaleX(1);
}

.cat__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.cat__icon {
  width: 56px;
  height: 56px;
  color: var(--ink);
  flex-shrink: 0;
}

.cat__ref {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--text-faint);
  text-transform: uppercase;
}

.cat__name {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.375rem;
  line-height: 1.2;
  letter-spacing: -0.015em;
}

.cat__body {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-muted);
  flex: 1;
}

.cat__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--ink);
  border-top: 1px solid var(--rule);
  padding-top: 1.25rem;
  transition: color var(--t-fast) var(--ease);
}

.cat__cta svg {
  width: 16px;
  height: 16px;
  transition: transform var(--t-fast) var(--ease);
}

.cat:hover .cat__cta {
  color: var(--signal-deep);
}

.cat:hover .cat__cta svg {
  transform: translateX(4px);
}

.cat--large {
  padding: 2.5rem 2.25rem;
}

.cat--large .cat__icon {
  width: 72px;
  height: 72px;
}

.cat--large .cat__name {
  font-size: 1.625rem;
}

.cat--large .cat__body {
  font-size: 1rem;
}

@media (max-width: 960px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .cat-grid { grid-template-columns: 1fr; }
}

/* ---------- Process steps ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  position: relative;
}

.process::before {
  content: '';
  position: absolute;
  top: 3.5rem;
  left: 12%;
  right: 12%;
  height: 1px;
  background: var(--rule-inv-strong);
  z-index: 0;
}

.step {
  position: relative;
  z-index: 1;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
}

.step__num {
  width: 80px;
  height: 80px;
  display: grid;
  place-items: center;
  border: 1.5px solid var(--rule-inv-strong);
  background: var(--ink);
  font-family: var(--f-display);
  font-weight: 900;
  font-size: 1.875rem;
  color: var(--signal);
  position: relative;
  letter-spacing: -0.02em;
}

.step__num::after {
  content: '';
  position: absolute;
  inset: -6px;
  border: 1px dashed var(--rule-inv);
}

.step__ref {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--text-inv-muted);
  text-transform: uppercase;
}

.step__title {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1.15;
  color: var(--text-inv);
  letter-spacing: -0.02em;
}

.step__body {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text-inv-muted);
  max-width: 30ch;
}

@media (max-width: 880px) {
  .process { grid-template-columns: 1fr; gap: 1rem; }
  .process::before { display: none; }
  .step { padding: 1.5rem 0; border-top: 1px solid var(--rule-inv); }
  .step:first-child { border-top: 0; }
}

/* ---------- Credibility banner ---------- */
.credibility {
  background: var(--paper-2);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.credibility__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.credibility__item {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 1.75rem 1.25rem;
  border-right: 1px solid var(--rule);
}

.credibility__item:last-child { border-right: 0; }

.credibility__icon {
  width: 32px;
  height: 32px;
  color: var(--ink);
  flex-shrink: 0;
}

.credibility__text {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1.25;
  letter-spacing: -0.005em;
}

@media (max-width: 880px) {
  .credibility__inner {
    grid-template-columns: repeat(2, 1fr);
  }
  .credibility__item:nth-child(2) { border-right: 0; }
  .credibility__item:nth-child(1),
  .credibility__item:nth-child(2) { border-bottom: 1px solid var(--rule); }
}

@media (max-width: 480px) {
  .credibility__inner {
    grid-template-columns: 1fr;
  }
  .credibility__item {
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }
  .credibility__item:last-child { border-bottom: 0; }
}

/* ---------- About page: story two-col ---------- */
.story {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

.story__body p {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text);
  margin: 0 0 1.25rem;
}

.story__body p:last-child {
  margin-bottom: 0;
}

.story__panel {
  background: var(--ink);
  color: var(--text-inv);
  padding: 2.5rem 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.story__panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--signal);
}

.story__panel-label {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  color: var(--signal);
  text-transform: uppercase;
}

.story__panel-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.375rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--rule-inv);
}

.story__panel-row:last-of-type {
  border-bottom: 0;
}

.story__panel-key {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--text-inv-faint);
  text-transform: uppercase;
}

.story__panel-val {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--text-inv);
  letter-spacing: -0.005em;
}

@media (max-width: 900px) {
  .story { grid-template-columns: 1fr; }
}

/* ---------- About: values grid ---------- */
.values {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.value {
  padding: 2rem 1.5rem;
  background: var(--bone);
  border: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  transition: transform var(--t-base) var(--ease),
              border-color var(--t-base) var(--ease);
}

.value:hover {
  transform: translateY(-3px);
  border-color: var(--ink);
}

.value__num {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--signal-deep);
}

.value__icon {
  width: 40px;
  height: 40px;
  color: var(--ink);
}

.value__title {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.015em;
}

.value__body {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-muted);
}

@media (max-width: 960px) {
  .values { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .values { grid-template-columns: 1fr; }
}

/* ---------- About: why-list ---------- */
.why-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
}

.why-list li {
  list-style: none;
  display: grid;
  grid-template-columns: 64px 1fr auto;
  align-items: center;
  gap: 1.5rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--rule);
  transition: padding-inline var(--t-base) var(--ease);
}

.why-list li:hover {
  padding-inline: 0.75rem;
  background: var(--bone);
}

.why-list__num {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--signal-deep);
}

.why-list__text {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(1.125rem, 1.6vw, 1.375rem);
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.why-list__check {
  width: 28px;
  height: 28px;
  color: var(--signal-deep);
}

@media (max-width: 600px) {
  .why-list li {
    grid-template-columns: 56px 1fr;
    gap: 1rem;
  }
  .why-list__check { display: none; }
}

/* ---------- About: company card ---------- */
.company-card {
  background: var(--ink);
  color: var(--text-inv);
  padding: clamp(2rem, 4vw, 3.5rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 3rem;
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.company-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--rule-inv) 1px, transparent 1px),
    linear-gradient(to bottom, var(--rule-inv) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 100% 100% at 100% 0%, #000 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 100% 100% at 100% 0%, #000 20%, transparent 70%);
  opacity: 0.5;
  z-index: -1;
}

.company-card__intro h3 {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 2.4vw, 2.125rem);
  color: var(--text-inv);
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin-bottom: 1rem;
}

.company-card__intro p {
  color: var(--text-inv-muted);
  font-size: 1rem;
  line-height: 1.65;
  margin: 0;
}

.company-card__details {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.company-card__row {
  display: grid;
  grid-template-columns: minmax(7rem, 10rem) 1fr;
  gap: 1.25rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--rule-inv);
  align-items: baseline;
}

.company-card__row:first-child { padding-top: 0; }
.company-card__row:last-child { border-bottom: 0; }

.company-card__key {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--text-inv-faint);
  text-transform: uppercase;
}

.company-card__val {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--text-inv);
  letter-spacing: -0.005em;
  word-break: break-word;
}

.company-card__val a {
  border-bottom: 1px solid var(--signal);
  transition: color var(--t-fast) var(--ease);
}

.company-card__val a:hover { color: var(--signal); }

@media (max-width: 900px) {
  .company-card { grid-template-columns: 1fr; gap: 2rem; }
  .company-card__row { grid-template-columns: 1fr; gap: 0.25rem; }
}

/* ---------- CTA banner ---------- */
.cta-banner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) auto;
  gap: clamp(1.75rem, 3vw, 2.75rem);
  align-items: center;
}

@media (max-width: 760px) {
  .cta-banner {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
}

/* ---------- Contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: stretch;
}

.contact-card {
  background: var(--ink);
  color: var(--text-inv);
  padding: clamp(2.25rem, 4vw, 3rem);
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--signal);
}

.contact-card__label {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--signal);
}

.contact-card__heading {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 2.4vw, 2.125rem);
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--text-inv);
}

.contact-card__rows {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.contact-card__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--rule-inv);
}

.contact-card__row:first-child { padding-top: 0; }
.contact-card__row:last-child { border-bottom: 0; padding-bottom: 0; }

.contact-card__key {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-inv-faint);
}

.contact-card__val {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(1.0625rem, 1.6vw, 1.375rem);
  letter-spacing: -0.015em;
  word-break: break-word;
}

.contact-card__val a {
  border-bottom: 1px solid var(--signal);
  padding-bottom: 1px;
  transition: color var(--t-fast) var(--ease);
}

.contact-card__val a:hover { color: var(--signal); }

.contact-side {
  background: var(--paper-2);
  padding: clamp(2rem, 4vw, 3rem);
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  border: 1px solid var(--rule);
  position: relative;
  overflow: hidden;
}

.contact-side__heading {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.contact-side__body {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-muted);
}

.contact-side__list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.contact-side__list li {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 1rem;
  align-items: center;
  padding: 1rem 0;
  border-top: 1px solid var(--rule);
}

.contact-side__list li:last-child {
  border-bottom: 1px solid var(--rule);
}

.contact-side__list svg {
  width: 24px;
  height: 24px;
  color: var(--ink);
}

.contact-side__list strong {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: -0.005em;
  display: block;
  line-height: 1.3;
}

.contact-side__list span {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
}

@media (max-width: 880px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */
.footer {
  background: var(--ink);
  color: var(--text-inv);
  padding-block: clamp(3rem, 6vw, 5rem) 0;
  margin-top: 0;
  border-top: 4px solid var(--signal);
}

.footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) repeat(3, minmax(0, 1fr));
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--rule-inv);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 22rem;
}

.footer__brand-row {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.footer__brand-mark {
  width: 44px;
  height: 44px;
}

.footer__brand-name {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
  line-height: 1;
}

.footer__brand-sub {
  font-family: var(--f-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-inv-muted);
  margin-top: 3px;
}

.footer__tagline {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 1.0625rem;
  line-height: 1.3;
  color: var(--text-inv-muted);
  letter-spacing: -0.01em;
}

.footer__col-title {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 1.5rem;
}

.footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer__list a,
.footer__list span {
  font-size: 0.9375rem;
  color: var(--text-inv-muted);
  transition: color var(--t-fast) var(--ease);
  display: inline-block;
}

.footer__list a:hover {
  color: var(--signal);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.5rem 1.75rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer__bottom-text {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-inv-faint);
}

.footer__bottom-meta {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-inv-faint);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.footer__bottom-meta span {
  width: 6px;
  height: 6px;
  background: var(--signal);
  display: inline-block;
}

@media (max-width: 880px) {
  .footer__top {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem 2rem;
  }
  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .footer__top { grid-template-columns: 1fr; }
}

/* ---------- Reveal / motion ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms var(--ease-out),
              transform 700ms var(--ease-out);
  will-change: opacity, transform;
}

.reveal[data-visible="true"] {
  opacity: 1;
  transform: translateY(0);
}

.reveal[data-delay="1"] { transition-delay: 80ms; }
.reveal[data-delay="2"] { transition-delay: 160ms; }
.reveal[data-delay="3"] { transition-delay: 240ms; }
.reveal[data-delay="4"] { transition-delay: 320ms; }
.reveal[data-delay="5"] { transition-delay: 400ms; }
.reveal[data-delay="6"] { transition-delay: 480ms; }

/* ---------- Mobile refinements (≤ 480px) ---------- */
@media (max-width: 480px) {
  .display-1 {
    font-size: clamp(2.125rem, 11vw, 3rem);
    line-height: 0.98;
    letter-spacing: -0.035em;
  }

  .display-2 {
    font-size: clamp(1.75rem, 8.5vw, 2.5rem);
    line-height: 1.03;
  }

  .display-3 {
    font-size: clamp(1.375rem, 6vw, 1.875rem);
  }

  .hero__ctas {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .hero__ctas .btn {
    justify-content: center;
    padding-block: 1rem;
    font-size: 1rem;
  }

  .btn {
    padding: 0.9rem 1.25rem;
    font-size: 0.95rem;
  }

  .nav__brand-sub {
    display: none;
  }

  .nav__brand-mark {
    width: 36px;
    height: 36px;
  }

  .nav__brand-name {
    font-size: 1rem;
  }

  .ticker__item {
    font-size: 1rem;
  }

  .ticker__track {
    gap: 2.5rem;
    padding-block: 1rem;
  }

  .feature {
    padding: 2rem 1.5rem;
  }

  .cat,
  .cat--large {
    padding: 1.75rem 1.5rem;
  }

  .step {
    padding: 1.25rem 0;
  }

  .credibility__item {
    padding: 1.25rem 1rem;
  }

  .credibility__text {
    font-size: 0.875rem;
  }

  .why-list li {
    padding: 1.25rem 0;
  }

  .why-list__num {
    font-size: 0.6875rem;
  }

  .contact-card {
    padding: 1.75rem 1.5rem;
  }

  .contact-side {
    padding: 1.75rem 1.5rem;
  }

  .company-card {
    padding: 1.75rem 1.5rem;
  }

  .footer__top {
    padding-bottom: 2.5rem;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .footer__bottom-text,
  .footer__bottom-meta {
    font-size: 0.625rem;
  }

  .hero__headline {
    max-width: none;
  }

  .hero__headline-signal::after {
    height: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  .ticker__track {
    animation: none;
    width: 100%;
    justify-content: space-around;
    flex-wrap: wrap;
  }
  .hero__glow {
    animation: none;
  }
  .ember {
    display: none;
  }
}

/* ---------- Misc utilities ---------- */
.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;
}

.divider {
  height: 1px;
  background: var(--rule);
  border: 0;
  margin: 0;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--ink);
  color: var(--text-inv);
  padding: 0.75rem 1rem;
  z-index: 100;
  font-family: var(--f-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: top var(--t-base) var(--ease);
}

.skip-link:focus {
  top: 0.75rem;
}