/* ============================================
   AdmitTalk — Design tokens
   ============================================ */
:root {
  --paper: #FBF4E6;
  --paper-2: #F3E7D2;
  --paper-3: #EDE0C7;
  --ink: #1F2A24;
  --ink-soft: #3D473F;
  --accent: #D9502F;
  --accent-dark: #B33F22;
  --accent-2: #3F6C51;
  --line: rgba(31, 42, 36, 0.16);
  --line-strong: rgba(31, 42, 36, 0.32);
  --shadow: 0 10px 30px rgba(31, 42, 36, 0.12);
  --shadow-sm: 0 4px 14px rgba(31, 42, 36, 0.10);
  --radius: 14px;
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --wrap: 1140px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #191510;
    --paper-2: #211C15;
    --paper-3: #2A231A;
    --ink: #F2EBDA;
    --ink-soft: #C9BFA9;
    --accent: #ED6A45;
    --accent-dark: #F58362;
    --accent-2: #6FA786;
    --line: rgba(242, 235, 218, 0.16);
    --line-strong: rgba(242, 235, 218, 0.30);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
    --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.35);
    color-scheme: dark;
  }
}

/* ============================================
   Reset
   ============================================ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, h4, p, dl, dd { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 12px 18px;
  border-radius: 0 0 8px 0;
  z-index: 100;
  font-weight: 600;
}
.skip-link:focus {
  left: 0;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  padding: 12px 22px;
  border-radius: 999px;
  border: 2px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #FBF4E6;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn-ghost:hover {
  border-color: var(--ink);
}
.btn-large {
  padding: 15px 28px;
  font-size: 1.05rem;
}
.btn-header {
  margin-left: auto;
}

/* ============================================
   Header
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-word {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.site-nav {
  display: flex;
  gap: 24px;
  margin-left: 12px;
}
.site-nav a {
  text-decoration: none;
  font-weight: 500;
  font-size: 0.96rem;
  color: var(--ink-soft);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover {
  color: var(--ink);
  border-color: var(--accent);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  padding: 0;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle:hover { background: var(--paper-2); }
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 24px 20px;
  border-top: 1px solid var(--line);
}
.mobile-nav[hidden] {
  display: none;
}
.mobile-nav a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 500;
  padding: 12px 4px;
  border-bottom: 1px solid var(--line);
}
.mobile-nav .btn {
  justify-content: center;
  margin-top: 10px;
}

@media (max-width: 780px) {
  .site-nav, .btn-header { display: none; }
  .nav-toggle { display: flex; }
}

/* ============================================
   Hero
   ============================================ */
.hero {
  padding: 64px 0 80px;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  font-weight: 600;
  color: var(--accent-dark);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.82rem;
  margin-bottom: 18px;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.2rem, 4.2vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.underline-wrap {
  position: relative;
  display: inline-block;
  font-style: italic;
  font-weight: 500;
}
.squiggle {
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 14px;
}
.hero-sub {
  margin-top: 24px;
  font-size: 1.12rem;
  color: var(--ink-soft);
  max-width: 46ch;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}
.hero-note {
  margin-top: 16px;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

.hero-board {
  position: relative;
  min-height: 340px;
}
.card {
  position: absolute;
  width: 78%;
  max-width: 320px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 20px;
  box-shadow: var(--shadow);
}
.card-kicker {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--accent-dark);
  margin-bottom: 8px;
}
.card-line {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-style: italic;
  line-height: 1.45;
  color: var(--ink);
}
.card-a { top: 0; left: 4%; transform: rotate(-4deg); z-index: 3; }
.card-b { top: 42%; right: 0; transform: rotate(3deg); z-index: 2; }
.card-c { top: 78%; left: 12%; transform: rotate(-2deg); z-index: 1; }

.pin {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 2px 4px rgba(0,0,0,0.25);
}
.pin-a { top: -6px; left: 16%; }
.pin-b { top: 36%; right: 14%; }
.pin-c { top: 72%; left: 20%; }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-board { min-height: 300px; margin-top: 10px; }
  .card { max-width: 280px; }
}
@media (max-width: 480px) {
  .card { position: static; transform: none !important; width: 100%; margin-bottom: 14px; }
  .hero-board { min-height: auto; display: flex; flex-direction: column; }
  .pin { display: none; }
}

/* ============================================
   Sections (shared)
   ============================================ */
.section {
  padding: 88px 0;
  border-top: 1px solid var(--line);
}
.tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--paper);
  background: var(--ink);
  border-radius: 6px;
  padding: 3px 9px;
  margin-right: 10px;
  vertical-align: middle;
  letter-spacing: 0.04em;
}
.section h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.7rem, 2.8vw, 2.3rem);
  letter-spacing: -0.01em;
}
.section-lede {
  margin-top: 18px;
  max-width: 62ch;
  font-size: 1.06rem;
  color: var(--ink-soft);
}

/* What section */
.grid-4 {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.feature h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 16px 0 8px;
}
.feature p {
  color: var(--ink-soft);
  font-size: 0.98rem;
}
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
}
@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .grid-4 { grid-template-columns: 1fr; }
}

/* ============================================
   Topics — index-card grid
   ============================================ */
.topics {
  background: var(--paper-2);
}
.topic-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.topic-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px 24px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.topic-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.topic-card::before {
  content: "";
  position: absolute;
  top: 0; left: 24px;
  width: 34px;
  height: 8px;
  background: var(--accent);
  border-radius: 0 0 4px 4px;
  opacity: 0.85;
}
.topic-num {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--line-strong);
  font-size: 1.6rem;
  display: block;
  margin-bottom: 6px;
}
.topic-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.18rem;
  margin-bottom: 10px;
}
.topic-card p {
  color: var(--ink-soft);
  font-size: 0.96rem;
}
.topic-2 { transform: rotate(0.6deg); }
.topic-4 { transform: rotate(-0.6deg); }
.topic-6 { transform: rotate(0.4deg); }

@media (max-width: 900px) {
  .topic-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .topic-grid { grid-template-columns: 1fr; }
  .topic-card, .topic-2, .topic-4, .topic-6 { transform: none; }
}

/* ============================================
   Trust
   ============================================ */
.trust-inner {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 56px;
  align-items: start;
}
.trust-list {
  margin-top: 40px;
  display: grid;
  gap: 26px;
}
.trust-item dt {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.08rem;
  margin-bottom: 6px;
}
.trust-item dd {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
  padding-left: 20px;
  border-left: 3px solid var(--accent);
}
.trust-visual {
  display: flex;
  justify-content: center;
  padding-top: 30px;
}
.stamp {
  transform: rotate(-8deg);
  opacity: 0.92;
}

@media (max-width: 860px) {
  .trust-inner { grid-template-columns: 1fr; }
  .trust-visual { display: none; }
}

/* ============================================
   CTA band
   ============================================ */
.cta-band {
  background: var(--ink);
  color: var(--paper);
  text-align: center;
}
.cta-inner {
  max-width: 640px;
}
.cta-band h2 {
  color: var(--paper);
}
.cta-band p {
  margin-top: 16px;
  color: color-mix(in srgb, var(--paper) 78%, transparent);
  font-size: 1.05rem;
}
.cta-band .btn {
  margin-top: 30px;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--paper-3);
  border-top: 1px solid var(--line);
  padding-top: 56px;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand p {
  margin-top: 10px;
  max-width: 32ch;
  color: var(--ink-soft);
  font-size: 0.94rem;
}
.footer-logo { font-size: 1.2rem; }
.footer-nav {
  display: flex;
  gap: 64px;
}
.footer-col h4 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin-bottom: 14px;
}
.footer-col a {
  display: block;
  text-decoration: none;
  color: var(--ink);
  font-size: 0.95rem;
  margin-bottom: 10px;
}
.footer-col a:hover { color: var(--accent-dark); }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 20px 24px 28px;
}
.footer-bottom p {
  font-size: 0.85rem;
  color: var(--ink-soft);
}

@media (max-width: 560px) {
  .footer-nav { gap: 36px; }
}