/* ============================================================
   OnlyBot — Every aisle, awake.
   Design tokens
   ============================================================ */

@font-face {
  font-family: "DM Sans";
  src: url("../../assets/fonts/dm-sans-variable.ttf") format("truetype");
  font-style: normal;
  font-weight: 300 1000;
  font-display: swap;
}

:root {
  /* color */
  --color-bg:           #f5f1e7;   /* warm off-white / cream page */
  --color-bg-soft:      #efeadc;
  --color-surface:      #ffffff;   /* white floating cards */
  --color-text:         #0a0a0a;   /* deep black */
  --color-text-muted:   #5d5b54;
  --color-text-subtle:  #8a8579;
  --color-border:       #e2ddd0;
  --color-border-soft:  #ece6d6;
  --color-graphite:     #2b2b2b;
  --color-stainless:    #b8b6ad;

  --color-lime:         #c5e236;   /* chartreuse status / primary CTA */
  --color-lime-dark:    #b5d622;
  --color-lime-tint:    rgba(197,226,54,0.18);

  /* type */
  --font-body:    "DM Sans", "Open Sans", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-display: "DM Sans", "Open Sans", -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter Display", "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono:    ui-monospace, "SF Mono", Menlo, Monaco, "Courier New", monospace;

  --fs-eyebrow:    11px;
  --fs-meta:       12px;
  --fs-body:       16px;
  --fs-lede:       clamp(15px, 1.1vw, 18px);
  --fs-display:    clamp(2.5rem, 5vw, 4.5rem);
  --fs-display-lg: clamp(3rem, 6.4vw, 5.6rem);
  --fs-hero:       clamp(3rem, 7vw, 6.4rem);

  /* spacing */
  --page-max:    1280px;
  --page-pad:    clamp(20px, 4vw, 56px);
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 24px;
  --space-lg: 48px;
  --space-xl: 80px;
  --space-section: clamp(80px, 10vw, 140px);

  /* shape & shadow */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-pill: 999px;
  --shadow-card: 0 1px 2px rgba(10,10,10,0.04), 0 12px 36px -12px rgba(10,10,10,0.12);
  --shadow-soft: 0 1px 0 rgba(10,10,10,0.04);

  /* motion */
  --ease-out:    cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.22, 1.2, 0.36, 1);
  --dur-fast: 200ms;
  --dur-med:  540ms;
  --dur-slow: 900ms;

  /* nav */
  --header-h: 112px;
}

@media (max-width: 720px) { :root { --header-h: 80px; } }

/* ============================================================
   Reset / base — Stage 4 perf rules: NO scroll-behavior smooth
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

html {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.55;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
body { overflow-x: hidden; }

img { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; margin: 0; }

::selection { background: var(--color-text); color: var(--color-bg); }

.skip {
  position: absolute; top: 0; left: 0; padding: 8px 12px;
  background: var(--color-text); color: var(--color-bg);
  transform: translateY(-110%);
  z-index: 1000;
  font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase;
  transition: transform var(--dur-fast) var(--ease-out);
}
.skip:focus { transform: translateY(0); }

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

/* ============================================================
   Type utilities
   ============================================================ */

.eyebrow {
  display: inline-block;
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.section-index {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
  font-variant-numeric: tabular-nums;
}

.display {
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.025em;
  margin: 0;
  color: var(--color-text);
}

.tabular { font-variant-numeric: tabular-nums; }

/* ============================================================
   Status dot (chartreuse)
   ============================================================ */

.status-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-lime);
  position: relative;
  flex-shrink: 0;
}
.status-dot::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: var(--color-lime-tint);
  opacity: 0;
  animation: dot-pulse 2.4s ease-out infinite;
}
.status-dot--small { width: 8px; height: 8px; }

@keyframes dot-pulse {
  0%   { transform: scale(0.85); opacity: 0.7; }
  70%  { transform: scale(1.6); opacity: 0; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* ============================================================
   Button primitives
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.005em;
  color: var(--color-text);
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
}
.btn svg { width: 20px; height: 10px; transition: transform var(--dur-med) var(--ease-spring); }
.btn:hover svg { transform: translateX(5px); }

.btn--primary {
  background: var(--color-lime);
  color: var(--color-text);
  padding: 14px 22px;
  border-radius: 12px;
  border: 1px solid var(--color-lime);
  font-weight: 600;
}
.btn--primary:hover { background: var(--color-lime-dark); border-color: var(--color-lime-dark); }

.btn--text {
  position: relative;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-text);
}

/* ============================================================
   Reveal — Stage 4 perf: no will-change
   ============================================================ */

[data-reveal] {
  opacity: 0;
  transform: translate3d(0, 8px, 0);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}

/* ============================================================
   Header
   ============================================================ */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--color-bg);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast) var(--ease-out);
}
.site-header.is-scrolled { border-bottom-color: var(--color-border); }

.site-header__inner {
  max-width: var(--page-max);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--page-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  margin-left: -2px; /* optical correction so the O hangs flush with the column */
}
.brand__text {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--color-text);
}

@media (max-width: 720px) { .brand__text { font-size: 36px; } }

.nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 36px);
}
.nav a {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.005em;
  color: var(--color-text);
  position: relative;
  padding: 6px 0;
}
.nav a:not(.nav__demo)::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-med) var(--ease-spring);
}
.nav a:not(.nav__demo):hover::after { transform: scaleX(1); }

.nav__demo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.nav-toggle {
  display: none;
  width: 36px; height: 36px;
  position: relative;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block; width: 22px; height: 1px;
  background: var(--color-text);
  margin: 4px auto;
  transition: transform var(--dur-fast) var(--ease-out);
}
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child  { transform: translateY(-5px) rotate(-45deg); }

@media (max-width: 820px) {
  .nav { display: none; }
  .nav-toggle { display: block; }
}

.mobile-nav {
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  z-index: 99;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  transform: translateY(-101%);
  transition: transform var(--dur-med) var(--ease-spring);
  display: flex;
  flex-direction: column;
  padding: var(--space-md) var(--page-pad) var(--space-lg);
  gap: var(--space-md);
}
.mobile-nav a {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border-soft);
}
.mobile-nav.is-open { transform: translateY(0); }

/* ============================================================
   Hero
   ============================================================ */

.hero {
  margin-top: var(--header-h);
  padding: clamp(56px, 8vw, 96px) 0 clamp(40px, 5vw, 64px);
  border-bottom: 1px solid var(--color-border);
  position: relative;
}
.hero__inner {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-pad);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr) auto;
  column-gap: clamp(40px, 5vw, 80px);
  row-gap: clamp(32px, 4vw, 56px);
  align-items: start;
  position: relative;
}

.hero__copy {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2vw, 28px);
  align-items: flex-start;
  padding-top: clamp(20px, 3vw, 40px);
}

.hero__headline {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.025em;
  margin: 0;
  color: var(--color-text);
}

.hero__lede {
  font-size: var(--fs-lede);
  line-height: 1.5;
  color: var(--color-text-muted);
  max-width: 38ch;
  margin: 0;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  margin-top: 4px;
}

.hero__product {
  grid-column: 2;
  grid-row: 1 / 3;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  min-height: clamp(520px, 70vh, 720px);
}

.hero__robot {
  position: relative;
  z-index: 2;
  width: auto;
  height: 100%;
  max-height: clamp(520px, 70vh, 720px);
  max-width: 100%;
  object-fit: contain;
  object-position: bottom center;
}

/* Pointer — spans full hero width, label on left, line extends right to robot base */
.hero__pointer {
  grid-column: 1 / -1;
  grid-row: 2;
  display: flex;
  align-items: center;
  gap: 14px;
  position: relative;
  padding-right: 0;
  /* The line should visually terminate at the robot's base, which sits in column 2.
     Since pointer spans both columns and the robot has higher z-index,
     the line passes under the robot — visually ending at the robot. */
}
.hero__pointer-dot {
  display: block;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--color-lime);
  flex-shrink: 0;
  position: relative;
}
.hero__pointer-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--color-lime-tint);
  opacity: 0;
  animation: dot-pulse 2.4s ease-out infinite;
}
.hero__pointer-label {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex-shrink: 0;
  white-space: nowrap;
}
.hero__pointer-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.005em;
}
.hero__pointer-sub {
  font-size: 12px;
  color: var(--color-text-muted);
}
.hero__pointer-rule {
  display: block;
  flex: 1;
  height: 1px;
  background: var(--color-graphite);
  position: relative;
  overflow: hidden;
  margin-left: 8px;
  z-index: 1;
}
.hero__pointer-rule::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 25%;
  background: linear-gradient(90deg, transparent 0%, var(--color-lime) 50%, transparent 100%);
  transform: translateX(-100%);
  animation: sensor-scan 4.5s var(--ease-out) infinite;
}
@keyframes sensor-scan {
  0%, 18% { transform: translateX(-50%); }
  82%, 100% { transform: translateX(420%); }
}

.hero__microcopy {
  max-width: var(--page-max);
  margin: clamp(48px, 6vw, 80px) auto 0;
  padding: 0 var(--page-pad);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--color-text-muted);
}
.hero__microcopy-dot { color: var(--color-text-subtle); }

@media (max-width: 980px) {
  .hero__inner {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    gap: var(--space-lg);
  }
  .hero__copy { grid-column: 1; grid-row: 1; padding-top: 0; }
  .hero__product { grid-column: 1; grid-row: 2; min-height: 460px; }
  .hero__pointer { grid-column: 1; grid-row: 3; }
}

@media (max-width: 540px) {
  .hero__pointer-title { font-size: 12px; }
  .hero__pointer-sub { font-size: 11px; }
}

/* ============================================================
   How It Sees
   ============================================================ */

.how {
  padding: var(--space-section) 0;
  border-bottom: 1px solid var(--color-border);
}

.how__head {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-pad);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: clamp(14px, 1.6vw, 22px);
  margin-bottom: clamp(40px, 5vw, 64px);
}
.how__head .display { max-width: 16ch; }
.how__lede {
  font-size: var(--fs-lede);
  line-height: 1.5;
  color: var(--color-text-muted);
  max-width: 48ch;
  margin: 0;
}

.how__scene {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-pad);
  position: relative;
}

.how__image {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius-md);
  display: block;
}

/* Callouts */
.callout {
  position: absolute;
  display: flex;
  align-items: center;
}

.callout__dot {
  display: block;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-text);
  flex-shrink: 0;
  position: relative;
  z-index: 2;
  box-shadow: 0 0 0 4px rgba(255,255,255,0.5);
}
.callout__dot::before {
  content: "";
  position: absolute;
  inset: 2px;
  border-radius: 50%;
  background: var(--color-lime);
}

.callout__leader {
  display: block;
  width: clamp(40px, 6vw, 80px);
  height: 1px;
  background: var(--color-text);
  margin: 0 8px;
  position: relative;
  z-index: 1;
}
.callout__leader--up::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 1px;
  height: clamp(24px, 3vw, 40px);
  background: var(--color-text);
}

.callout__pill {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  white-space: nowrap;
}
.callout__pill--badge {
  flex-direction: row;
  align-items: center;
  gap: 10px;
}
.callout__kind {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.callout__value {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
}

.callout--top-left {
  top: 8%;
  left: 4%;
}
.callout--mid-left {
  top: 50%;
  left: 8%;
}
.callout--mid-left .callout__pill { order: 1; }
.callout--mid-left .callout__leader { order: 2; }
.callout--mid-left .callout__dot { order: 3; }
.callout--top-right {
  top: 10%;
  right: 6%;
}

/* Aisle UI card (bottom-right of how scene) */
.ui-card {
  position: absolute;
  bottom: 6%;
  right: 4%;
  width: clamp(220px, 24vw, 280px);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ui-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--color-border-soft);
  padding-bottom: 10px;
}
.ui-card__title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
}
.ui-card__time {
  font-size: 11px;
  color: var(--color-text-muted);
}
.ui-card__live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.ui-card__rows {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.ui-card__rows li {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--color-text);
}
.ui-card__rows li > span:first-child { color: var(--color-text-muted); }
.ui-card__ok {
  color: var(--color-text);
  font-weight: 600;
}
.ui-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text);
  border-top: 1px solid var(--color-border-soft);
  padding-top: 10px;
}
.ui-card__cta svg { width: 16px; height: 8px; transition: transform var(--dur-med) var(--ease-spring); }
.ui-card__cta:hover svg { transform: translateX(4px); }

@media (max-width: 720px) {
  .how__image { aspect-ratio: 4 / 3; }
  .callout__leader { width: 30px; }
  .callout__pill { padding: 6px 10px; }
  .callout__value { font-size: 11px; }
  .ui-card { position: static; width: 100%; margin-top: 16px; }
}

/* ============================================================
   Operations in real time
   ============================================================ */

.ops {
  padding: var(--space-section) 0;
  border-bottom: 1px solid var(--color-border);
}

.ops__head {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-pad);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: clamp(14px, 1.6vw, 22px);
  margin-bottom: clamp(40px, 5vw, 64px);
}
.ops__head .display {
  font-size: var(--fs-display-lg);
  max-width: 16ch;
}
.ops__lede {
  font-size: var(--fs-lede);
  line-height: 1.5;
  color: var(--color-text-muted);
  max-width: 48ch;
  margin: 0;
}

.ops__scene {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-pad);
  position: relative;
}

.ops__image {
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius-md);
  display: block;
}

.ui-card--overview {
  width: clamp(260px, 28vw, 320px);
  bottom: auto;
  top: 50%;
  right: 6%;
  transform: translateY(-50%);
}

@media (max-width: 720px) {
  .ops__image { aspect-ratio: 4 / 3; }
  .ui-card--overview { position: static; width: 100%; margin-top: 16px; transform: none; }
}

/* ============================================================
   Coverage features
   ============================================================ */

.coverage {
  padding: clamp(64px, 8vw, 120px) 0;
  border-bottom: 1px solid var(--color-border);
}
.coverage__list {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-pad);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.coverage__item {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 8px clamp(16px, 3vw, 40px);
  position: relative;
}
.coverage__item + .coverage__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--color-border);
}
.coverage__icon {
  display: inline-flex;
  width: 44px; height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  background: var(--color-surface);
  position: relative;
}
.coverage__icon::after {
  content: "";
  position: absolute;
  bottom: 4px; right: 4px;
  width: 6px; height: 6px;
  background: var(--color-lime);
  border-radius: 50%;
}
.coverage__icon svg { width: 22px; height: 22px; }
.coverage__heading {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.005em;
}
.coverage__copy {
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text-muted);
  margin: 0;
  max-width: 30ch;
}

@media (max-width: 820px) {
  .coverage__list { grid-template-columns: 1fr; }
  .coverage__item { padding: 24px 0; border-top: 1px solid var(--color-border); }
  .coverage__item:first-child { border-top: 0; padding-top: 0; }
  .coverage__item + .coverage__item::before { display: none; }
}

/* ============================================================
   Final CTA
   ============================================================ */

.final-cta {
  padding: var(--space-section) 0;
}
.final-cta__inner {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-pad);
  display: flex;
  flex-direction: column;
  gap: clamp(28px, 3.5vw, 40px);
  align-items: flex-start;
}
.final-cta__inner .display {
  font-size: var(--fs-display-lg);
  max-width: 14ch;
}
.final-cta__row {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
}

/* ============================================================
   Footer
   ============================================================ */

.footer {
  border-top: 1px solid var(--color-border);
  padding-top: clamp(48px, 6vw, 80px);
  background: var(--color-bg);
}

.footer__top {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-pad) clamp(40px, 5vw, 56px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2.4fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}

.footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-left: -2px; /* optical correction */
}
.footer__brand-text {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--color-text);
}

@media (max-width: 720px) { .footer__brand-text { font-size: 32px; } }

.footer__cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(20px, 3vw, 40px);
}
.footer__col { display: flex; flex-direction: column; gap: 14px; }
.footer__heading {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.footer__col ul { display: flex; flex-direction: column; gap: 10px; }
.footer__col a {
  font-size: 14px;
  color: var(--color-text);
  position: relative;
  display: inline-block;
}
.footer__col a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-med) var(--ease-spring);
}
.footer__col a:hover::after { transform: scaleX(1); }

.footer__bottom {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: clamp(20px, 3vw, 28px) var(--page-pad);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--color-text-muted);
}
.footer__legal { display: flex; gap: 20px; }

.footer__sample-note {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-pad) clamp(22px, 3vw, 30px);
  color: var(--color-text-muted);
  font-size: 11px;
  line-height: 1.55;
}

@media (max-width: 820px) {
  .footer__top { grid-template-columns: 1fr; }
  .footer__cols { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .footer__cols { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}