/* ══════════════════════════════════════════════
   CIT — Brand Identity Guidelines
   Stylesheet
   ══════════════════════════════════════════════ */

/* ─── Custom Properties ──────────────────────── */
:root {
  --blue:        #103d9a;
  --blue-mid:    #0b1f48;
  --blue-dark:   #0a2660;
  --blue-night:  #0a1628;
  --blue-azure:  #5c81ce;
  --green:       #81cc25;
  --green-light: #b4e678;
  --green-dark:  #58940f;
  --gray-bg:     #f5f7fa;
  --gray-border: #dde3f0;
  --gray-text:   #6b7280;
  --black-coal:  #0e1821;
  --black:       #1a1a1a;

  --container:   1200px;
  --nav-h:       64px;

  --font-heading: 'Montserrat', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-display: 'Poppins', sans-serif;

  --radius-sm: 4px;
  --radius-md: 8px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--black);
  background: #fff;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

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

ul {
  list-style: none;
}

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

/* ─── Container ──────────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ══════════════════════════════════════════════
   NAVIGATION
   ══════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  height: var(--nav-h);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(10, 38, 96, 0.97);
  border-bottom-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 2px 24px rgba(0, 0, 0, 0.3);
}

.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  line-height: 0;
}

.nav__logo-img {
  height: 30px;
  width: 147px;
  object-fit: contain;
  object-position: left center;
  display: block;
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.875rem;
}

.nav__link {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition);
}

.nav__link:hover {
  color: var(--green);
}

/* Mobile burger */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.nav__mobile {
  display: none;
  flex-direction: column;
  background: rgba(10, 38, 96, 0.98);
  padding: 1rem 1.5rem 1.5rem;
  gap: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.nav__mobile.open {
  display: flex;
}

.nav__mobile-link {
  font-size: 0.9375rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.75);
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  transition: color var(--transition);
}

.nav__mobile-link:last-child { border-bottom: none; }
.nav__mobile-link:hover { color: var(--green); }

/* ══════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════ */
.hero {
  position: relative;
  background: var(--blue);
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}

.hero__orbital {
  position: absolute;
  top: 50%;
  right: -8%;
  width: min(80%, 820px);
  aspect-ratio: 1;
  pointer-events: none;
  user-select: none;
  opacity: 0.7;
  transform-origin: center center;
  animation: orbitalSpin 40s linear infinite;
}

@keyframes orbitalSpin {
  from { transform: translateY(-50%) rotate(0deg); }
  to   { transform: translateY(-50%) rotate(360deg); }
}

.hero__orbital-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  padding: 5rem 1.5rem 8rem;
  width: 100%;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(129, 204, 37, 0.15);
  border: 1px solid rgba(129, 204, 37, 0.4);
  border-radius: 100px;
  padding: 0.375rem 1rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 1.5rem;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}

.hero__title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 1.25rem;
  max-width: 740px;
}

.hero__title--accent {
  color: var(--green);
}

.hero__subtitle {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: clamp(0.875rem, 1.5vw, 1.125rem);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 2.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: filter var(--transition), transform var(--transition);
  white-space: nowrap;
}

.btn:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--green);
  color: #0a2660;
  padding: 0.875rem 2rem;
}

.btn__icon {
  flex-shrink: 0;
  color: #0a2660;
}

.btn--download {
  background: rgba(16, 61, 154, 0.15);
  border: 1px solid rgba(16, 61, 154, 0.25);
  color: var(--blue);
  padding: 0.6875rem 1.25rem;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  align-self: flex-start;
  width: auto;
}

.btn--download-blue {
  background: rgba(16, 61, 154, 0.12);
  border: 1px solid rgba(16, 61, 154, 0.25);
  color: var(--blue);
  padding: 0.625rem 1.5rem;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
}

.btn--download-light {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  padding: 0.625rem 1.5rem;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
}

/* Hero chapter tabs */
.hero__chapters {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  justify-content: space-between;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  padding-left: max(1.5rem, calc((100% - var(--container)) / 2));
  padding-right: max(1.5rem, calc((100% - var(--container)) / 2));
}

.hero__chapters::-webkit-scrollbar { display: none; }

.hero__chapter {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 1rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.03em;
  white-space: nowrap;
  transition: color var(--transition);
  border-bottom: 2px solid transparent;
}

.hero__chapter:hover {
  color: rgba(255, 255, 255, 0.9);
  border-bottom-color: var(--green);
}

.hero__chapter-num {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--green);
  letter-spacing: 0.08em;
}

/* ══════════════════════════════════════════════
   SHARED SECTION LAYOUT
   ══════════════════════════════════════════════ */
.section {
  padding: 5rem 0;
}

.section--light  { background: var(--gray-bg); }
.section--white  { background: #fff; }
.section--blue   { background: var(--blue); }

.section__label {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.section__label--on-blue .section__label-text { color: var(--green); }

.section__label-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--green);
  white-space: nowrap;
  flex-shrink: 0;
}

.section__label-line {
  flex: 1;
  height: 1px;
  background: var(--gray-border);
}

.section__label-line--on-blue {
  background: rgba(255, 255, 255, 0.2);
}

.section__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  color: var(--blue);
  line-height: 1.1;
  margin-bottom: 1rem;
}

.section__title--white { color: #fff; }

.section__desc {
  font-size: 1rem;
  color: var(--gray-text);
  max-width: 560px;
  line-height: 1.6;
  margin-bottom: 2.5rem;
}

.section__desc--muted-white {
  color: rgba(255, 255, 255, 0.6);
}

/* ══════════════════════════════════════════════
   LOGO SECTION
   ══════════════════════════════════════════════ */
.logo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.logo-card {
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1rem;
  gap: 1.875rem;
}

.logo-card--white  { background: #fff; }
.logo-card--black  { background: #1a1a1a; }
.logo-card--blue   { background: var(--blue); }

.logo-card__img-wrap {
  width: 100%;
  max-width: 260px;
  height: 53px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-card__img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.logo-card__label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-text);
}

.logo-card__label--light {
  color: rgba(255, 255, 255, 0.5);
}

/* Rules grid */
.rules-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.rule-card {
  background: #fff;
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-md);
  padding: 1.8125rem 2.0625rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.rule-card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--blue);
}

.rule-card__text {
  font-size: 0.875rem;
  color: var(--gray-text);
  line-height: 1.65;
}

.rule-card__list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.rule-card__list li {
  font-size: 0.875rem;
  color: var(--gray-text);
  line-height: 1.65;
  padding-left: 0;
}

.rule-card__list li::before {
  content: '— ';
  color: var(--blue-azure);
}

/* ══════════════════════════════════════════════
   COLOR PALETTE
   ══════════════════════════════════════════════ */
.palette-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 1rem;
}

.palette-grid--accent {
  grid-template-columns: repeat(4, 1fr);
}

.palette-grid--primary {
  grid-template-columns: repeat(4, 1fr);
}

.swatch {
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.swatch__color {
  height: 102px;
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  position: relative;
}

.swatch--tall .swatch__color {
  height: 220px;
}

.swatch__color--bordered {
  border-bottom: 1px solid var(--gray-border);
}

.swatch__hex {
  display: inline-block;
  border-radius: var(--radius-sm);
  padding: 0.3125rem 0.6875rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.6875rem;
  white-space: nowrap;
}

.swatch__hex--light {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: rgba(255, 255, 255, 0.9);
}

.swatch__hex--dark {
  background: rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.12);
  color: rgba(0, 0, 0, 0.6);
}

/* Copy overlay */
.swatch {
  cursor: pointer;
}

.swatch__copy-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  transition: opacity var(--transition);
  border-radius: 0;
}

.swatch__copy-overlay--dark {
  background: rgba(0, 0, 0, 0.18);
}

.swatch:hover .swatch__copy-overlay {
  opacity: 1;
}

.swatch__copy-label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
}

.swatch__copy-overlay--dark .swatch__copy-label {
  color: rgba(0, 0, 0, 0.75);
}

/* Copied feedback state */
.swatch.copied .swatch__copy-overlay {
  opacity: 1;
}

.swatch.copied .swatch__copy-label::before {
  content: '✓ ';
}

/* Make swatch__color relative so overlay positions inside it */
.swatch__color {
  position: relative;
}

.swatch__info {
  background: #fff;
  border-top: 1px solid var(--gray-border);
  padding: 1.0625rem 1rem 0;
  height: 65px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.swatch__info strong {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.8125rem;
  color: var(--black);
}

.swatch__info span {
  font-size: 0.6875rem;
  color: var(--gray-text);
}

/* ══════════════════════════════════════════════
   TYPE SYSTEM
   ══════════════════════════════════════════════ */
.type-card {
  background: #fff;
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-md);
  padding: 1.375rem 3.125rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.9375rem;
}

.type-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--gray-border);
}

.type-card__family-name {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
}

.type-card__family-use {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--gray-text);
}

.type-card__display {
  line-height: 1;
}

.type-card__aa {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  color: var(--blue);
  letter-spacing: -0.02em;
}

.type-card__tagline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 2vw, 1.375rem);
  color: var(--black);
  letter-spacing: -0.01em;
}

.type-card__weights {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: flex-start;
}

.type-weight {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.type-weight__sample {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--blue);
  line-height: 1;
}

.type-weight__label {
  font-size: 0.6875rem;
  color: var(--gray-text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

/* Type scale card */
.type-scale-card {
  background: #fff;
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-md);
  padding: 1.875rem 3.125rem;
}

.type-scale-card__heading {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.5rem;
}

.type-scale-row {
  display: flex;
  align-items: center;
  gap: 1.875rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--gray-border);
  flex-wrap: wrap;
}

.type-scale-row--last {
  border-bottom: none;
}

.type-scale-row__meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 140px;
  flex-shrink: 0;
}

.type-scale-row__meta span {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  color: var(--gray-text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.type-scale-row__sample {
  font-family: var(--font-display);
  color: var(--black);
}

/* ══════════════════════════════════════════════
   ORBITAL PATTERN
   ══════════════════════════════════════════════ */
.orbital-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.orbital-item {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.orbital-card {
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  overflow: hidden;
  padding: 1.5rem;
}

.orbital-card--white { background: #fff; }

.orbital-card--glass {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.orbital-card--dark { background: var(--blue-night); }

.orbital-card__img {
  width: 75%;
  height: 75%;
  object-fit: contain;
}

/* ── Shared mixin for SVG/PNG split download buttons ── */
.logo-download,
.orbital-download {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: stretch;
  border-radius: var(--radius-md);
  border: none;
  background: rgba(255, 255, 255, 0.25);
  transition: background 0.45s ease;
}

/* Logo variants */
.logo-download {
  width: 100%;
  max-width: 260px;
}

.logo-download--blue {
  background: rgba(16, 61, 154, 0.12);
  outline: 1px solid rgba(16, 61, 154, 0.2);
}
.logo-download--glass {
  background: rgba(255, 255, 255, 0.25);
}

/* Orbital variants */
.orbital-download--green {
  background: rgba(255, 255, 255, 0.25);
}
.orbital-download--glass {
  background: rgba(255, 255, 255, 0.25);
}

/* Left half hovered */
.logo-download[data-side="left"],
.orbital-download[data-side="left"] {
  background: linear-gradient(to right, rgba(129,204,37,0.55) 0%, rgba(255,255,255,0.25) 65%);
}

/* Right half hovered */
.logo-download[data-side="right"],
.orbital-download[data-side="right"] {
  background: linear-gradient(to left, rgba(129,204,37,0.55) 0%, rgba(255,255,255,0.25) 65%);
}

/* Links */
.logo-download__link,
.orbital-download__link {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition);
}

.logo-download__link   { font-size: 0.8125rem; padding: 0.625rem 0; }
.orbital-download__link { font-size: 0.875rem;  padding: 0.875rem 0; }

.logo-download--blue .logo-download__link { color: var(--blue); }

/* Separators */
.logo-download__sep,
.orbital-download__sep {
  display: flex;
  align-items: center;
  padding: 0 0.25rem;
  font-size: 0.875rem;
}

.logo-download__sep   { color: rgba(255, 255, 255, 0.45); }
.logo-download--blue .logo-download__sep { color: rgba(16, 61, 154, 0.4); }
.orbital-download__sep { color: rgba(255, 255, 255, 0.5); }

/* ══════════════════════════════════════════════
   BRAND IN CONTEXT / MOCKUPS
   ══════════════════════════════════════════════ */
.mockup-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.mockup-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 2.5rem;
  gap: 1.5rem;
  min-height: 380px;
}

.mockup-card--blue {
  background: var(--blue);
}

.mockup-card--light {
  background: var(--gray-bg);
  border: 1px solid var(--gray-border);
}

.mockup-card__img-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.mockup-card__img {
  max-height: 280px;
  max-width: 100%;
  object-fit: contain;
  object-position: center;
}

/* ══════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════ */
.footer {
  background: var(--blue-dark);
  padding: 3.75rem 0;
}

.footer__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

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

.footer__brand-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  color: #fff;
  line-height: 1.3;
}

.footer__brand-accent {
  color: var(--green);
}

.footer__brand-copy {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.5;
}

.footer__nav {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.625rem;
}

.footer__nav-label {
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
}

.footer__nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  justify-content: flex-end;
}

.footer__nav-link {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--transition);
}

.footer__nav-link:hover { color: rgba(255, 255, 255, 0.9); }

/* ══════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════ */

/* ── Tablet (≤ 1024px) ─────────────────────── */
@media (max-width: 1024px) {
  .hero__orbital {
    width: min(75%, 640px);
    opacity: 0.15;
  }

  .logo-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .palette-grid--accent,
  .palette-grid--primary {
    grid-template-columns: repeat(2, 1fr);
  }

  .type-card {
    padding: 1.375rem 2rem;
  }

  .type-scale-card {
    padding: 1.875rem 2rem;
  }
}

/* ── Mobile (≤ 768px) ──────────────────────── */
@media (max-width: 768px) {
  :root {
    --nav-h: 60px;
  }

  /* Nav */
  .nav__links    { display: none; }
  .nav__burger   { display: flex; }

  /* Hero */
  .hero {
    min-height: auto;
    padding-bottom: 0;
  }

  .hero__orbital {
    width: 100%;
    right: -15%;
    opacity: 0.1;
  }

  .hero__content {
    padding: 4rem 1.5rem 6rem;
  }

  .hero__chapters {
    justify-content: flex-start;
    gap: 0.5rem;
  }

  .hero__chapter {
    padding: 0.75rem 1rem;
    font-size: 0.75rem;
  }

  /* Sections */
  .section { padding: 3.5rem 0; }

  /* Logo grid */
  .logo-grid {
    grid-template-columns: 1fr;
    max-width: 380px;
  }

  .rules-grid {
    grid-template-columns: 1fr;
  }

  /* Palette */
  .palette-grid--accent,
  .palette-grid--primary {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Type */
  .type-card,
  .type-scale-card {
    padding: 1.25rem 1.25rem;
  }

  .type-card__tagline {
    display: none;
  }

  .type-card__weights {
    gap: 1.25rem;
  }

  .type-weight__sample {
    font-size: 1.5rem;
  }

  /* Orbital */
  .orbital-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  /* Mockups */
  .mockup-grid {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer__nav {
    align-items: flex-start;
  }

  .footer__nav-links {
    justify-content: flex-start;
  }
}

/* ── Small mobile (≤ 480px) ────────────────── */
@media (max-width: 480px) {
  .palette-grid--accent,
  .palette-grid--primary {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }

  .hero__title {
    font-size: 2.25rem;
  }

  .section__title {
    font-size: 1.75rem;
  }
}

/* ─── Scroll reveal animation ───────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
}

.reveal.visible {
  animation: fadeUp 0.5s ease forwards;
}