/* ============================================================
   KEUJI — Design Tokens & Base Styles
   ============================================================ */

/* ── Local fonts (no network dependency) ── */
@font-face {
  font-family: 'Instrument Serif';
  src: url('fonts/InstrumentSerif-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Instrument Serif';
  src: url('fonts/InstrumentSerif-Italic.ttf') format('truetype');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Space Grotesk';
  src: url('fonts/SpaceGrotesk-VariableFont_wght.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('fonts/Inter-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Retrograde';
  src: url('fonts/Retrograde-Regular.otf') format('opentype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ── Tokens ── */
:root {
  --color-black:      #000000;
  --color-grey:       #3B3B3B;
  --color-blue:       #99AEEF;
  --color-white:      #FFFFFF;
  --color-surface:    #111111;
  --color-card:       #191919;
  --color-card-hover: #242424;
  --color-border:     #2a2a2a;
  --color-border-hover: #4a4a4a;
  --color-tag-bg:     #1e1e1e;
  --color-tag-border: #333333;

  --font-serif:    'Instrument Serif', Georgia, serif;
  --font-eyebrow:  'Retrograde', monospace;
  --font-action:   'Space Grotesk', sans-serif;
  --font-body:     'Inter', sans-serif;

  /* Spacing scale */
  --sp-8:   8px;
  --sp-16:  16px;
  --sp-24:  24px;
  --sp-32:  32px;
  --sp-40:  40px;
  --sp-48:  48px;
  --sp-64:  64px;
  --sp-80:  80px;
  --sp-120: 120px;
  --sp-160: 160px;
  --sp-240: 240px;

  --max-w-content: 1280px;
  --max-w-screenshot: 1080px;
  --max-w-cap-table: 1120px;
  --max-w-cap-copy:  480px;
  --nav-h: 80px;
  --nav-px: 80px;
  --content-px: 80px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; background: #0D0D0D; }

body {
  background: linear-gradient(to bottom, #000000, #0D0D0D);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ── Ambient glow layer (mouse-tracked) ── */
.glow-layer {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0;
  transition: opacity 1.2s ease, transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
  pointer-events: none;
}

.glow-orb.visible { opacity: 1; }

.glow-orb--cursor {
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(120,150,255,0.24) 0%, rgba(153,174,239,0.12) 40%, transparent 70%);
  top: 0;
  left: 0;
  transform: translate(0px, 0px) translate(-50%, -50%);
}

/* ── Page wrapper ── */
.page-wrapper {
  position: relative;
  z-index: 1;
}

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--max-w-content);
  margin: 0 auto;
  padding: 0 var(--content-px);
}

/* ── Typography ── */
.eyebrow {
  font-family: var(--font-eyebrow);
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--color-white);
  display: block;
}

.eyebrow--grey { color: rgba(255,255,255,0.8); }

h1, .h1 {
  font-family: var(--font-serif);
  font-size: 80px;
  line-height: 0.96;
  font-weight: 400;
}

h2, .h2 {
  font-family: var(--font-serif);
  font-size: 48px;
  line-height: 1.2;
  font-weight: 400;
}

.italic { font-style: italic; }
.blue   { color: var(--color-blue); }

.body-large {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.5;
  color: rgba(255,255,255,1);
}

.body-small {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: rgba(255,255,255,0.8);
}

.action-large {
  font-family: var(--font-action);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
}

.action-small {
  font-family: var(--font-action);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.5;
}

/* ── Buttons — rainbow trail + frosted glass ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border: 1px solid rgba(255,255,255,0.20);
  border-radius: 10px;
  background: rgba(255,255,255,0.07);
  color: var(--color-white);
  font-family: var(--font-action);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  white-space: nowrap;
  /* required for trail circles + frosted glass */
  position: relative;
  isolation: isolate;
  overflow: hidden;
  cursor: pointer;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* Inner rim-light + outer drop shadow (frosted glass feel) */
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  z-index: 1;
  box-shadow:
    inset 0 0 0 1px rgba(170, 202, 255, 0.2),
    inset 0 0 16px 0 rgba(170, 202, 255, 0.1),
    inset 0 -3px 12px 0 rgba(170, 202, 255, 0.15),
    0 1px 3px 0 rgba(0, 0, 0, 0.5),
    0 4px 12px 0 rgba(0, 0, 0, 0.45);
  mix-blend-mode: multiply;
  transition: transform 300ms ease;
}

.btn:active::before {
  transform: scale(0.975);
}

/* Label sits above trail circles */
.btn > * {
  position: relative;
  z-index: 2;
}

/* Trailing glow circles (injected by JS) */
.btn-glow-circle {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  filter: blur(16px);
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  transition: opacity 300ms ease;
}

.btn-glow-circle.is-in  { opacity: 0.75; }
.btn-glow-circle.is-out { opacity: 0; transition: opacity 1200ms ease; }

@media (prefers-reduced-motion: reduce) {
  .btn-glow-circle { display: none; }
  .btn::before     { transition: none; }
}

/* Modifier aliases — unified at .btn level */
.btn--ghost {}
.btn--primary {}

/* ── Tag chips ── */
.tag {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--color-tag-border);
  border-radius: 4px;
  background: var(--color-tag-bg);
  font-family: var(--font-action);
  font-size: 11px;
  font-weight: 700;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.04em;
}

/* ── Divider line ── */
.divider {
  width: 100%;
  height: 1px;
  background: var(--color-border);
}

/* ── Scroll-reveal base state ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays */
.reveal-d1 { transition-delay: 60ms; }
.reveal-d2 { transition-delay: 120ms; }
.reveal-d3 { transition-delay: 180ms; }
.reveal-d4 { transition-delay: 240ms; }
.reveal-d5 { transition-delay: 300ms; }
.reveal-d6 { transition-delay: 360ms; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px var(--nav-px);
  background: transparent;
  transition: background 400ms ease, backdrop-filter 400ms ease;
}

.nav.scrolled {
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.nav__logo {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 32px;
  font-weight: 400;
  color: var(--color-white);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 48px;
}

.nav__link {
  font-family: var(--font-action);
  font-size: 18px;
  font-weight: 500;
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color 200ms ease;
}
.nav__link:hover { color: white; }

/* Hamburger button (mobile only) */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin: -8px;
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: transform 300ms ease, opacity 200ms ease;
}
.nav__hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile dropdown menu */
.nav__mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  z-index: 99;
  flex-direction: column;
  background: rgba(5,5,5,0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 4px var(--nav-px) 24px;
}
.nav__mobile-menu.is-open { display: flex; }

.nav__mobile-link {
  font-family: var(--font-action);
  font-size: 18px;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: color 200ms ease;
}
.nav__mobile-link:hover { color: white; }

/* 'Start Project' btn inside mobile menu */
.nav__mobile-menu .btn {
  margin-top: 16px;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-h) + 200px) var(--content-px) var(--sp-160);
  position: relative;
}

.hero__inner {
  max-width: 720px;
  width: 100%;
}

.hero__eyebrow {
  margin-bottom: var(--sp-16);
  /* load animation */
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp 600ms ease forwards;
  animation-delay: 100ms;
}

.hero__h1 {
  margin-bottom: var(--sp-24);
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp 600ms ease forwards;
  animation-delay: 220ms;
}

.hero__h1-line2 {
  display: block;
  color: var(--color-blue);
  font-style: italic;
  margin-top: 0.08em;
}

.hero__body {
  max-width: 606px;
  margin: 0 auto var(--sp-40);
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp 600ms ease forwards;
  animation-delay: 360ms;
}

.hero__cta {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp 600ms ease forwards;
  animation-delay: 480ms;
}

/* ============================================================
   PRODUCT SECTION (Taggr by Keuji)
   ============================================================ */
.product {
  padding: var(--sp-160) 0;
}

.product__header {
  display: flex;
  align-items: flex-end;
  gap: var(--sp-120);
  margin-bottom: var(--sp-120);
}

.product__left {
  flex: 0 0 520px;
  max-width: 520px;
}

.product__eyebrow-row {
  display: flex;
  align-items: center;
  gap: var(--sp-16);
  margin-bottom: var(--sp-16);
}

.product__eyebrow-arrow {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
  font-size: 14px;
}

.product__eyebrow-arrow .arrow-line {
  display: flex;
  align-items: center;
  gap: 4px;
  color: rgba(255,255,255,0.4);
}

.product__eyebrow-keuji {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 18px;
  color: var(--color-white);
}

.product__h2 {
  font-size: 48px;
  line-height: 1.05;
}

.product__h2 em {
  font-style: italic;
}

.product__right {
  flex: 1;
  max-width: 480px;
}

.product__screenshot {
  max-width: var(--max-w-screenshot);
  width: 100%;
  margin: 0 auto;
}

.product__screenshot img {
  width: 100%;
  height: auto;
  display: block;
}

/* Mobile screenshot hidden by default; swapped in via media query */
.product__screenshot--mobile { display: none; }

/* "Retain More." stays inline on desktop */
.hero__h1-retain { display: inline; }

/* ============================================================
   FEATURES (Accounting Tech)
   ============================================================ */
.features {
  padding: var(--sp-160) 0;
}

.features__header {
  text-align: center;
  margin-bottom: var(--sp-48);
}

.features__eyebrow {
  margin-bottom: var(--sp-16);
}

.features__h2 {
  font-style: italic;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 320px);
  justify-content: center;
  gap: var(--sp-24);
}

.feature-card {
  background: linear-gradient(180deg, #0d0d0d 0%, #1a1a1a 100%);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 12px;
  padding: 48px 24px;
  transition: transform 200ms ease, border-color 200ms ease;
  cursor: default;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  --gx: 50%;
  --gy: 50%;
}

.feature-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at var(--gx) var(--gy), rgba(120,160,255,0.22) 0%, transparent 55%);
  opacity: 0;
  transition: opacity 300ms ease;
  pointer-events: none;
}

.feature-card:hover {
  transform: translateY(-2px);
  border-color: rgba(153,174,239,0.2);
}

.feature-card:hover::after {
  opacity: 1;
}

.feature-card__icon {
  width: 40px;
  height: 40px;
  margin-bottom: var(--sp-48);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
}

.feature-card__icon svg {
  width: 32px;
  height: 32px;
  fill: var(--color-white);
}

.feature-card__icon--lg svg {
  width: 44px;
  height: 44px;
}

.feature-card__title {
  font-family: var(--font-action);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--sp-16);
}

.feature-card__body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: rgba(255,255,255,0.65);
  flex: 1;
}

/* ============================================================
   PARTNERSHIP
   ============================================================ */
.partnership {
  padding: var(--sp-160) 0;
  text-align: center;
}

.partnership__eyebrow {
  margin-bottom: var(--sp-16);
}

.partnership__h2 {
  max-width: 480px;
  margin: 0 auto var(--sp-40);
}

.partnership__h2 em { font-style: italic; }

/* ============================================================
   STATS (Numbers Don't Lie)
   ============================================================ */
.stats {
  padding: var(--sp-160) 0;
}

.stats__h2 {
  text-align: center;
  margin-bottom: var(--sp-80);
}

.stats__h2 em {
  font-style: italic;
  color: var(--color-blue);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(3, 320px);
  justify-content: center;
  gap: var(--sp-80);
}

.stat-item {
  text-align: center;
}

.stat-item__number {
  font-family: var(--font-serif);
  font-size: 80px;
  line-height: 0.96;
  font-weight: 400;
  color: var(--color-white);
  margin-bottom: var(--sp-24);
  display: block;
}

.stat-item__label {
  font-family: var(--font-action);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--sp-16);
}

.stat-item__body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: rgba(255,255,255,0.6);
}

/* ============================================================
   BANNER / AI CLASSIFICATION
   ============================================================ */
.banner-section {
  padding: var(--sp-80) 0;
  max-width: var(--max-w-content);
  margin: 0 auto;
  padding-left: var(--content-px);
  padding-right: var(--content-px);
}

.banner-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  background: #0a0a12;
  border: 1px solid rgba(255,255,255,0.07);
  display: block;
  min-height: 480px;
  --gx: 50%;
  --gy: 50%;
}

a.banner-card { cursor: pointer; text-decoration: none; }
div.banner-card { cursor: default; }

.banner-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at var(--gx) var(--gy), rgba(120,160,255,0.22) 0%, transparent 55%);
  opacity: 0;
  transition: opacity 300ms ease;
  pointer-events: none;
  z-index: 2;
}

.banner-card:hover { border-color: rgba(153,174,239,0.2); }
.banner-card:hover::after { opacity: 1; }

/* Full-bleed background image */
.banner-card__image {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.banner-card__image picture {
  display: block;
  width: 100%;
  height: 100%;
}

.banner-card__bg {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* Text overlaid on the right half */
.banner-card__content {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 56px var(--sp-64);
  z-index: 1;
}

.banner-card__text {
  width: 45%;
}

.banner-card__eyebrow {
  display: block;
  margin-bottom: var(--sp-16);
}

.banner-card__h2 {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 400;
  line-height: 1.0;
  color: var(--color-white);
  margin-bottom: var(--sp-24);
}

.banner-card__body {
  font-size: 16px;
  line-height: 1.6;
  color: rgba(255,255,255,0.65);
}

.banner-card__ctas {
  display: flex;
  gap: var(--sp-40);
  align-items: center;
  margin-top: var(--sp-32);
}

.banner-card__link-learn {
  font-family: var(--font-action);
  font-size: 16px;
  font-weight: 700;
  color: #A7A7A7;
  text-decoration: none;
}

.banner-card__link-learn:hover { color: var(--color-white); }

.banner-card__link {
  font-family: var(--font-action);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-blue);
  text-decoration: none;
}

.banner-card__link:hover { text-decoration: underline; }

/* ============================================================
   CAPABILITIES
   ============================================================ */
.capabilities {
  padding: var(--sp-160) 0;
}

.capabilities__header {
  display: flex;
  align-items: flex-start;
  gap: 206px;
  margin-bottom: var(--sp-48);
}

.capabilities__left {
  flex: 0 0 434px;
  max-width: 434px;
}

.capabilities__eyebrow {
  margin-bottom: var(--sp-16);
}

.capabilities__h2 {
  font-size: 48px;
}

.capabilities__h2 em { font-style: italic; }

.capabilities__right {
  flex: 1;
  max-width: var(--max-w-cap-copy);
  padding-top: 0.3em;
}

.capabilities__table {
  max-width: var(--max-w-cap-table);
  width: 100%;
}

.cap-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}


/* Last row only has 2 items — uses same 3-col grid, third cell stays empty */
.cap-row--partial {
  grid-template-columns: repeat(3, 1fr);
}

.cap-item {
  padding: var(--sp-32) var(--sp-32) var(--sp-32) 0;
}


.cap-item__title {
  font-family: var(--font-action);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--sp-8);
}

.cap-item__body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--sp-16);
}

/* ============================================================
   WE SERVE
   ============================================================ */
.we-serve {
  padding: var(--sp-120) 0 var(--sp-240);
}

.we-serve__inner {
  display: flex;
  align-items: flex-start;
  gap: 144px;
}

.we-serve__left {
  flex: 0 0 520px;
  max-width: 520px;
}

.we-serve__eyebrow {
  margin-bottom: var(--sp-16);
}

.we-serve__h2 {
  font-size: 48px;
  line-height: 1.05;
}

.we-serve__h2 em { font-style: italic; }

.we-serve__right {
  flex: 0 0 456px;
  max-width: 456px;
}

.serve-item {
  padding-top: var(--sp-8);
  margin-bottom: var(--sp-64);
}

.serve-item:last-child { margin-bottom: 0; }

.serve-item__header {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-16);
  margin-bottom: var(--sp-16);
}

.serve-item__icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-white);
}

.serve-item__icon svg {
  width: 28px;
  height: 28px;
  fill: var(--color-white);
}

.serve-item__title {
  font-family: var(--font-action);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-white);
}

.serve-item__body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--sp-24);
  padding-left: 44px;
}

.serve-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-8);
  padding-left: 44px;
}

/* ============================================================
   FINAL CTA
   ============================================================ */
.final-cta {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: transparent;
  padding: var(--sp-120) 0;
}

.final-cta__watermark {
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 690px;
  font-weight: 400;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.07);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  line-height: 1;
}

.final-cta__eyebrow {
  margin-bottom: var(--sp-16);
  position: relative;
  z-index: 1;
}

.final-cta__h2 {
  font-size: 48px;
  line-height: 1.1;
  margin-bottom: var(--sp-48);
  position: relative;
  z-index: 1;
}

.final-cta__h2 em { font-style: italic; }

.final-cta__cta {
  position: relative;
  z-index: 1;
}

/* ============================================================
   KEYFRAMES
   ============================================================ */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* ============================================================
   Responsive — 991px and down (tablet / small laptop)
   ============================================================ */
@media (max-width: 991px) {
  :root {
    --nav-px:     48px;
    --content-px: 24px;
    --sp-160:     120px;
  }

  /* ── Typography ── */
  h1, .h1          { font-size: 72px; }
  .stat-item__number { font-size: 68px; }

  /* ── Product ── */
  .product__header {
    gap: var(--sp-48);
  }
  .product__left {
    flex: 0 0 380px;
    max-width: 380px;
  }

  /* ── Features — 3-col → 2-col ── */
  .features__grid {
    grid-template-columns: repeat(2, 1fr);
    justify-content: stretch;
  }

  /* ── Stats — fluid 3-col, tighter gap ── */
  .stats__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-40);
  }

  /* ── Banner ── */
  .banner-card__text {
    width: 52%;
  }

  /* ── Capabilities ── */
  .capabilities__header {
    gap: var(--sp-48);
  }
  .capabilities__left {
    flex: 0 0 300px;
    max-width: 300px;
  }

  /* ── We Serve ── */
  .we-serve__inner {
    gap: var(--sp-64);
  }
  .we-serve__left {
    flex: 0 0 360px;
    max-width: 360px;
  }
  .we-serve__right {
    flex: 1;
    max-width: 100%;
  }
}


/* ============================================================
   Responsive — 767px and down (mobile)
   ============================================================ */
@media (max-width: 767px) {
  :root {
    --nav-px:     24px;
    --content-px: 24px;
    --sp-120:     80px;
    --sp-160:     80px;
    --sp-240:     80px;
  }

  /* ── Typography ── */
  h1, .h1 { font-size: 60px; line-height: 1.0; }
  h2, .h2 { font-size: 40px; line-height: 1.15; }
  .stat-item__number { font-size: 56px; }

  /* ── Nav — collapse to hamburger ── */
  .nav__actions { display: none; }
  .nav__hamburger { display: flex; }

  /* ── Hero ── */
  .hero {
    padding-top: calc(var(--nav-h) + 80px);
    padding-bottom: var(--sp-80);
    min-height: auto;
  }
  .hero__body { font-size: 16px; }
  .hero__inner { max-width: 100%; }

  /* "Retain More." breaks onto its own line on mobile */
  .hero__h1-retain { display: block; }

  /* ── Product ── */
  .product__screenshot--mobile { display: block; }
  .product__screenshot--desktop { display: none; }

  .product__header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-32);
    margin-bottom: var(--sp-64);
  }
  .product__left,
  .product__right {
    flex: none;
    max-width: 100%;
  }

  /* ── Features — 2-col → 1-col ── */
  .features__grid {
    grid-template-columns: 1fr;
    gap: var(--sp-16);
  }

  /* ── Partnership ── */
  .partnership__h2 { font-size: 36px; }

  /* ── Stats — stack vertically ── */
  .stats__grid {
    grid-template-columns: 1fr;
    gap: var(--sp-48);
  }

  /* ── Banner ── */
  .banner-card {
    display: flex;
    flex-direction: column;
    min-height: 0;
    background: #1B1B1B;
  }
  .banner-card__image {
    position: relative;
    inset: auto;
    width: 100%;
    aspect-ratio: 4 / 3;
    flex-shrink: 0;
  }
  .banner-card__image picture {
    position: absolute;
    inset: 0;
  }
  .banner-card__content {
    position: relative;
    inset: auto;
    justify-content: flex-start;
    padding: var(--sp-40) var(--sp-32);
  }
  .banner-card__text {
    width: 100%;
  }
  .banner-card__h2 { font-size: 36px; }

  /* ── Capabilities ── */
  .capabilities__header {
    flex-direction: column;
    gap: var(--sp-32);
  }
  .capabilities__left,
  .capabilities__right {
    flex: none;
    max-width: 100%;
  }
  .cap-row,
  .cap-row--partial {
    grid-template-columns: 1fr;
  }
  .cap-item {
    padding: var(--sp-24) 0;
  }

  /* ── We Serve ── */
  .we-serve__inner {
    flex-direction: column;
    gap: var(--sp-48);
  }
  .we-serve__left,
  .we-serve__right {
    flex: none;
    max-width: 100%;
  }
  .we-serve__h2 { font-size: 38px; }
  .serve-item__body,
  .serve-item__tags {
    padding-left: 0;
  }

  /* ── Final CTA ── */
  .final-cta {
    padding: var(--sp-80) 0;
    min-height: 80vh;
  }
  .final-cta__h2 { font-size: 38px; }
  .final-cta__watermark { font-size: 280px; }
}


/* ============================================================
   Responsive — 479px and down (small mobile)
   ============================================================ */
@media (max-width: 479px) {
  :root {
    --nav-px:     16px;
    --content-px: 16px;
    --sp-120:     64px;
    --sp-160:     64px;
    --sp-240:     64px;
  }

  /* ── Typography ── */
  h1, .h1          { font-size: 52px; }
  h2, .h2          { font-size: 36px; }
  .stat-item__number { font-size: 48px; }

  /* ── Nav ── */
  .nav__logo { font-size: 26px; }

  /* ── Hero ── */
  .hero { padding-top: calc(var(--nav-h) + 48px); }

  /* ── Feature cards — tighter inner padding ── */
  .feature-card { padding: var(--sp-32) var(--sp-24); }

  /* ── Buttons — full-width only for primary CTAs, not nav or inline ── */
  .hero__cta .btn,
  .final-cta .btn { width: 100%; }

  /* ── Partnership ── */
  .partnership__h2 { font-size: 32px; }

  /* ── Final CTA ── */
  .final-cta__h2    { font-size: 34px; }
  .final-cta__watermark { font-size: 180px; }
}


/* ============================================================
   Touch-device tweaks  (hover: none catches phones + tablets)
   ============================================================ */
@media (hover: none) {
  /* Ambient cursor glow is meaningless on touch */
  .glow-orb--cursor { display: none; }

  /* Card hover glows — suppress (no real hover on touch) */
  .feature-card:hover {
    transform: none;
    border-color: rgba(255,255,255,0.07);
  }
  .feature-card:hover::after { opacity: 0; }

  .banner-card:hover { border-color: rgba(255,255,255,0.07); }
  .banner-card:hover::after { opacity: 0; }

  /* Button trail circles — hide on touch */
  .btn-glow-circle { display: none; }
}

/* ── Site Footer ── */
.site-footer {
  text-align: center;
  padding-bottom: 40px;
}
.site-footer__copy {
  font-family: var(--font-body);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.4);
}