/* Frontier Six — Layout & Typography */

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  overflow-x: hidden;
}

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

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

button, summary {
  font: inherit;
  cursor: pointer;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.1;
}

p { margin: 0 0 1em 0; }

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

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

.container--narrow {
  max-width: var(--max-width-narrow);
}

/* ============== NAV ============== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 0;
  background: rgba(245, 242, 234, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: background var(--duration) var(--ease-out), border-color var(--duration) var(--ease-out);
}

.nav.is-scrolled {
  background: rgba(245, 242, 234, 0.95);
  border-bottom-color: var(--paper-3);
}

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

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
}

.nav__brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 6px;
  font-size: 0.85rem;
  letter-spacing: -0.05em;
}

.nav__brand-name {
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.nav__links {
  display: flex;
  gap: 1.5rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
}

.nav__links a {
  position: relative;
  padding: 0.5rem 0;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration) var(--ease-out);
}

.nav__links a:hover::after { transform: scaleX(1); }

.nav__meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gray-500);
  letter-spacing: 0.02em;
}

@media (max-width: 720px) {
  .nav__links, .nav__meta { display: none; }
}

/* ============== HERO ============== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8rem 2rem 4rem;
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
}

.hero__particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero__gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(61, 90, 254, 0.4) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(255, 107, 53, 0.25) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(0, 212, 160, 0.15) 0%, transparent 60%);
  animation: gradient-shift 20s var(--ease-in-out) infinite;
}

@keyframes gradient-shift {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.1) rotate(2deg); }
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  text-align: center;
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--electric-3);
  margin-bottom: 2rem;
  opacity: 0;
  animation: fade-up 1s var(--ease-out) 0.2s forwards;
}

.hero__title {
  font-size: clamp(2.8rem, 8vw, 6.5rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin: 0 0 2rem;
}

.hero__title-line {
  display: block;
  opacity: 0;
  transform: translateY(40px);
  animation: fade-up 1.2s var(--ease-out) forwards;
}

.hero__title-line:nth-child(1) { animation-delay: 0.4s; }
.hero__title-line:nth-child(2) { animation-delay: 0.6s; }
.hero__title-line:nth-child(3) { animation-delay: 0.8s; }

.hero__title-line--accent {
  background: linear-gradient(120deg, var(--electric-3) 0%, var(--warm-2) 50%, var(--electric-2) 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: fade-up 1.2s var(--ease-out) 0.6s forwards, gradient-pan 6s linear infinite;
}

@keyframes gradient-pan {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

.hero__subtitle {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  line-height: 1.5;
  color: var(--gray-300);
  max-width: 600px;
  margin: 0 auto 3rem;
  opacity: 0;
  animation: fade-up 1s var(--ease-out) 1s forwards;
}

.hero__cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fade-up 1s var(--ease-out) 1.2s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.6rem;
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  transition: transform var(--duration) var(--ease-out), background var(--duration) var(--ease-out), color var(--duration) var(--ease-out);
}

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

.btn--primary:hover {
  transform: translateY(-2px);
  background: var(--electric-3);
  color: var(--ink);
}

.btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: rgba(245, 242, 234, 0.3);
}

.btn--ghost:hover {
  background: rgba(245, 242, 234, 0.1);
  border-color: var(--paper);
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-400);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  animation: fade-up 1s var(--ease-out) 1.4s forwards;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: var(--gray-500);
  position: relative;
  overflow: hidden;
}

.hero__scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  right: 0;
  height: 100%;
  background: var(--paper);
  animation: scroll-pulse 2s var(--ease-in-out) infinite;
}

@keyframes scroll-pulse {
  0% { top: -100%; }
  100% { top: 100%; }
}

@keyframes fade-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============== SECTION HEAD ============== */

.section__head {
  max-width: 800px;
  margin: 0 auto 4rem;
  text-align: center;
}

.section__kicker {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--electric);
  margin-bottom: 1.2rem;
}

.section__title {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
  line-height: 1.05;
}

.section__lede {
  font-size: 1.15rem;
  color: var(--gray-500);
  line-height: 1.5;
  max-width: 600px;
  margin: 0 auto;
}

/* ============== LETTER ============== */

.letter {
  padding: 8rem 0;
  background: var(--paper-2);
  border-bottom: 1px solid var(--paper-3);
}

.letter__label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--warm);
  margin-bottom: 2rem;
}

.letter__lead {
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.35;
  font-weight: 400;
  margin-bottom: 1.5rem;
  color: var(--ink);
}

.letter p {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--ink-2);
}

.letter__sign {
  margin-top: 2.5rem;
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.6;
}

.letter__sign strong { font-size: 1.2rem; }

.letter__date {
  color: var(--gray-500);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* ============== NUMBERS ============== */

.numbers {
  padding: 8rem 0;
  background: var(--ink);
  color: var(--paper);
  position: relative;
  overflow: hidden;
}

.numbers::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 20% 0%, rgba(61, 90, 254, 0.2) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 100%, rgba(0, 212, 160, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.numbers .section__kicker { color: var(--electric-3); }
.numbers .section__title { color: var(--paper); }
.numbers .section__lede { color: var(--gray-300); }

.numbers__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  position: relative;
  z-index: 1;
}

.stat {
  padding: 2rem 1.5rem;
  background: rgba(245, 242, 234, 0.04);
  border: 1px solid rgba(245, 242, 234, 0.08);
  border-radius: var(--radius-lg, 1rem);
  transition: background var(--duration) var(--ease-out), border-color var(--duration) var(--ease-out), transform var(--duration) var(--ease-out);
}

.stat:hover {
  background: rgba(245, 242, 234, 0.08);
  border-color: rgba(245, 242, 234, 0.2);
  transform: translateY(-4px);
}

.stat__value {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 0.5rem;
  background: linear-gradient(120deg, var(--paper) 0%, var(--electric-3) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-variant-numeric: tabular-nums;
}

.stat__label {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--paper);
}

.stat__caption {
  font-size: 0.85rem;
  color: var(--gray-300);
  line-height: 1.4;
}

/* ============== THEMES OVERVIEW ============== */

.themes {
  padding: 8rem 0;
  background: var(--paper);
}

.themes__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.theme-card {
  display: block;
  padding: 2rem 1.75rem;
  background: var(--paper-2);
  border: 1px solid var(--paper-3);
  border-radius: var(--radius-lg, 1rem);
  color: var(--ink);
  transition: transform var(--duration) var(--ease-out), background var(--duration) var(--ease-out), box-shadow var(--duration) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.theme-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--electric) 0%, var(--warm) 100%);
  opacity: 0;
  transition: opacity var(--duration) var(--ease-out);
  z-index: 0;
}

.theme-card > * { position: relative; z-index: 1; }

.theme-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -20px rgba(11, 15, 25, 0.3);
}

.theme-card:hover::before {
  opacity: 0.05;
}

.theme-card__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--electric);
  margin-bottom: 0.75rem;
}

.theme-card__title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  line-height: 1.2;
}

.theme-card__desc {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--gray-600);
  margin-bottom: 1.25rem;
}

.theme-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.theme-card__tags span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  background: var(--paper);
  border-radius: 4px;
  color: var(--gray-500);
}

/* ============== THEME DEEP DIVES ============== */

.theme-deep {
  padding: 8rem 0;
  background: var(--paper-2);
  border-top: 1px solid var(--paper-3);
  border-bottom: 1px solid var(--paper-3);
}

.theme {
  max-width: 800px;
  margin: 0 auto 6rem;
  padding: 3rem;
  background: var(--paper);
  border-radius: var(--radius-xl, 1.5rem);
  border: 1px solid var(--paper-3);
  position: relative;
  scroll-margin-top: 100px;
}

.theme:last-child { margin-bottom: 0; }

.theme::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--electric), var(--warm), var(--mint));
  border-radius: var(--radius-xl, 1.5rem) var(--radius-xl, 1.5rem) 0 0;
}

.theme__header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--paper-3);
}

.theme__num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--electric);
  font-weight: 600;
}

.theme__title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.theme__lede {
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--ink-2);
  margin-bottom: 2rem;
}

.theme p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ink-2);
}

.theme__numbers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin: 2.5rem 0;
  padding: 2rem;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius-lg, 1rem);
}

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

.theme-stat__value {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.4rem;
  background: linear-gradient(120deg, var(--electric-3) 0%, var(--warm-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-variant-numeric: tabular-nums;
}

.theme-stat__label {
  font-size: 0.8rem;
  line-height: 1.3;
  color: var(--gray-300);
}

.multimodal-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
}

.multimodal-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--paper-3);
  font-size: 1rem;
  line-height: 1.5;
}

.multimodal-list li:last-child { border-bottom: 0; }

/* Cost chart */
.cost-chart {
  margin: 2.5rem 0;
  padding: 2rem;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius-lg, 1rem);
}

.cost-chart__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--paper);
}

.cost-chart__bars {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.cost-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 1rem;
  background: var(--color, var(--ink-2));
  border-radius: 6px;
  width: var(--width);
  min-width: 200px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--paper);
  transition: transform var(--duration) var(--ease-out);
}

.cost-bar:hover {
  transform: translateX(8px);
}

.cost-bar__label { font-weight: 600; }
.cost-bar__value { font-family: var(--font-mono); font-weight: 500; }

.cost-chart__note {
  font-size: 0.75rem;
  color: var(--gray-400);
  margin-top: 1rem;
  line-height: 1.4;
}

/* ============== COMPANIES ============== */

.companies {
  padding: 8rem 0;
  background: var(--paper);
}

.company-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 1.5rem;
}

.company {
  background: var(--paper-2);
  border: 1px solid var(--paper-3);
  border-radius: var(--radius-lg, 1rem);
  padding: 2rem 1.75rem;
  transition: transform var(--duration) var(--ease-out), box-shadow var(--duration) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.company::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background: var(--electric);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--duration) var(--ease-out);
}

.company:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -20px rgba(11, 15, 25, 0.3);
}

.company:hover::before { transform: scaleY(1); }

.company__header {
  padding-bottom: 1.25rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--paper-3);
  position: relative;
}

.company__rank {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--gray-400);
  margin-bottom: 0.4rem;
}

.company__name {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}

.company__tagline {
  font-size: 0.95rem;
  color: var(--gray-500);
  line-height: 1.4;
  font-style: italic;
}

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

.story {
  border-radius: 8px;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--paper-3);
}

.story summary {
  list-style: none;
  cursor: pointer;
  padding: 0.9rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  transition: background var(--duration-fast) var(--ease-out);
}

.story summary::-webkit-details-marker { display: none; }

.story summary:hover {
  background: var(--paper-2);
}

.story__date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--electric);
  text-transform: uppercase;
  font-weight: 600;
}

.story__title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
}

.story[open] summary {
  background: var(--ink);
  color: var(--paper);
}

.story[open] .story__title { color: var(--paper); }
.story[open] .story__date { color: var(--electric-3); }

.story p {
  padding: 1rem;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ink-2);
  margin: 0;
  background: var(--paper-2);
}

/* ============== MATRIX ============== */

.matrix {
  padding: 8rem 0;
  background: var(--ink);
  color: var(--paper);
}

.matrix .section__kicker { color: var(--electric-3); }
.matrix .section__title { color: var(--paper); }
.matrix .section__lede { color: var(--gray-300); }

.matrix__table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg, 1rem);
  background: rgba(245, 242, 234, 0.04);
  border: 1px solid rgba(245, 242, 234, 0.08);
}

.matrix__table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-display);
  font-size: 0.95rem;
}

.matrix__table th {
  text-align: left;
  padding: 1rem 1.5rem;
  font-weight: 600;
  color: var(--gray-300);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(245, 242, 234, 0.1);
}

.matrix__table td {
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid rgba(245, 242, 234, 0.05);
  vertical-align: top;
}

.matrix__table tr:last-child td { border-bottom: 0; }

.matrix__table td:first-child {
  font-weight: 600;
  color: var(--electric-3);
  white-space: nowrap;
}

.matrix__table td:nth-child(2) { color: var(--warm-2); font-weight: 600; }
.matrix__table td:nth-child(3) { color: var(--paper); }
.matrix__table td:nth-child(4) { color: var(--gray-400); }

.matrix__table tr:hover td { background: rgba(245, 242, 234, 0.04); }

/* ============== OUTLOOK ============== */

.outlook {
  padding: 8rem 0;
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);
}

.predictions {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.prediction {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  padding: 2rem;
  background: var(--paper);
  border: 1px solid var(--paper-3);
  border-radius: var(--radius-lg, 1rem);
  position: relative;
  transition: transform var(--duration) var(--ease-out), box-shadow var(--duration) var(--ease-out);
}

.prediction:hover {
  transform: translateX(8px);
  box-shadow: 0 20px 40px -20px rgba(11, 15, 25, 0.2);
}

.prediction__num {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--electric);
  letter-spacing: -0.05em;
  line-height: 1;
}

.prediction__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.prediction p {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--gray-600);
  margin: 0;
}

@media (max-width: 600px) {
  .prediction {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .prediction__num { font-size: 1.5rem; }
}

/* ============== SIGNOFF ============== */

.signoff {
  padding: 8rem 0;
  text-align: center;
  background: var(--ink);
  color: var(--paper);
}

.signoff__avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--electric) 0%, var(--warm) 100%);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
}

.signoff__name {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.signoff__role {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--electric-3);
  letter-spacing: 0.05em;
  margin-bottom: 2rem;
}

.signoff__bio {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--gray-300);
  max-width: 500px;
  margin: 0 auto 2.5rem;
}

.signoff__channels {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.channel {
  padding: 0.6rem 1.2rem;
  border: 1px solid rgba(245, 242, 234, 0.2);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--paper);
  transition: background var(--duration) var(--ease-out), border-color var(--duration) var(--ease-out), transform var(--duration) var(--ease-out);
}

.channel:hover {
  background: rgba(245, 242, 234, 0.1);
  border-color: var(--paper);
  transform: translateY(-2px);
}

/* ============== FOOTER ============== */

.footer {
  padding: 3rem 0 2rem;
  background: var(--ink-2);
  color: var(--gray-300);
  border-top: 1px solid var(--ink-3);
}

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--ink-3);
  margin-bottom: 1.5rem;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
}

.footer__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--paper);
  color: var(--ink);
  border-radius: 5px;
  font-size: 0.75rem;
}

.footer__tagline {
  font-size: 0.9rem;
  color: var(--gray-400);
  margin: 0;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gray-500);
}

/* ============== REVEAL ON SCROLL ============== */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0.1s; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 0.2s; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 0.3s; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 0.4s; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 0.5s; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 0.6s; }
.reveal-stagger.is-visible > *:nth-child(7) { transition-delay: 0.7s; }
.reveal-stagger.is-visible > *:nth-child(8) { transition-delay: 0.8s; }
.reveal-stagger.is-visible > *:nth-child(9) { transition-delay: 0.9s; }
.reveal-stagger.is-visible > *:nth-child(10) { transition-delay: 1s; }

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

@media (max-width: 720px) {
  body { font-size: 16px; }
  .hero { padding: 7rem 1rem 3rem; }
  .hero__title { font-size: 3rem; }
  .section__head { margin-bottom: 3rem; }
  .theme { padding: 2rem 1.5rem; }
  .company { padding: 1.5rem 1.25rem; }
  .prediction { padding: 1.5rem; }
  .signoff__name { font-size: 2rem; }
}