:root {
  --obsidian: #11100e;
  --obsidian-soft: #1a1713;
  --sand: #efe5d6;
  --sand-deep: #dccbb2;
  --clay: #8d6f53;
  --bronze: #c1915d;
  --bronze-soft: rgba(193, 145, 93, 0.2);
  --mist: rgba(255, 248, 238, 0.82);
  --line: rgba(17, 16, 14, 0.1);
  --shadow: 0 30px 90px rgba(17, 16, 14, 0.14);
  --shadow-strong: 0 36px 120px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--obsidian);
  font-family: "Manrope", sans-serif;
  background:
    radial-gradient(circle at 10% 15%, rgba(193, 145, 93, 0.14), transparent 26%),
    radial-gradient(circle at 84% 18%, rgba(141, 111, 83, 0.1), transparent 22%),
    linear-gradient(180deg, #fbf5ee 0%, #f4ebde 44%, #ecdfcf 100%);
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

.page-grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.16;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.9) 0 0.75px, transparent 0.75px),
    radial-gradient(circle at 70% 30%, rgba(17, 16, 14, 0.6) 0 0.7px, transparent 0.7px);
  background-size: 28px 28px, 32px 32px;
  mix-blend-mode: soft-light;
}

.gate-layer {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  z-index: 20;
  transition: opacity 220ms ease, visibility 220ms ease;
}

body.is-authenticated .gate-layer {
  opacity: 0;
  visibility: hidden;
}

.gate-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(193, 145, 93, 0.2), transparent 30%),
    linear-gradient(140deg, rgba(17, 16, 14, 0.96), rgba(27, 23, 19, 0.82));
}

.gate-card,
.hero-panel,
.brief-card,
.layout-card,
.comparison-section {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 28px;
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.gate-card {
  width: min(1040px, 100%);
  padding: 38px;
  background: rgba(18, 17, 15, 0.9);
  color: #fbf2e5;
  border-color: rgba(193, 145, 93, 0.18);
  box-shadow: var(--shadow-strong);
}

.eyebrow,
.section-label,
.card-code,
.card-family {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  font-weight: 800;
}

.eyebrow,
.section-label,
.card-code {
  color: var(--bronze);
}

.gate-card h1,
.hero-panel h1,
.brief-card h2,
.section-heading h2,
.layout-card h3,
.comparison-row h3 {
  margin: 0;
  font-family: "Cormorant Garamond", serif;
  font-weight: 700;
}

.gate-card h1 {
  max-width: 11ch;
  margin-top: 12px;
  font-size: clamp(3rem, 7vw, 5.8rem);
  line-height: 0.92;
}

.gate-copy,
.hero-copy,
.layout-card p,
.section-note,
.comparison-row p,
.card-points,
.brief-card li,
.gate-grid li {
  line-height: 1.75;
}

.gate-copy {
  max-width: 58ch;
  margin: 18px 0 0;
  color: rgba(251, 242, 229, 0.82);
}

.gate-form {
  margin-top: 28px;
}

.input-label {
  display: block;
  margin-bottom: 10px;
  color: rgba(251, 242, 229, 0.72);
  font-size: 0.88rem;
}

.input-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
}

.input-row input {
  min-height: 56px;
  padding: 0 18px;
  border-radius: 18px;
  border: 1px solid rgba(193, 145, 93, 0.26);
  background: rgba(255, 255, 255, 0.08);
  color: #fff7eb;
  outline: none;
}

.input-row input::placeholder {
  color: rgba(255, 247, 235, 0.42);
}

.input-row input:focus {
  border-color: rgba(193, 145, 93, 0.54);
  box-shadow: 0 0 0 4px rgba(193, 145, 93, 0.12);
}

.input-row button,
.logout-button,
.card-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 22px;
  border-radius: 999px;
  border: none;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.input-row button,
.card-link {
  background: var(--bronze);
  color: #15120f;
  font-weight: 800;
  box-shadow: 0 18px 36px rgba(193, 145, 93, 0.24);
}

.input-row button:hover,
.logout-button:hover,
.card-link:hover {
  transform: translateY(-2px);
}

.gate-error {
  min-height: 1.5rem;
  margin: 10px 0 0;
  color: #f5c6bc;
  font-size: 0.9rem;
}

.gate-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.gate-grid > div {
  padding: 18px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
}

.gate-grid ul,
.card-points,
.brief-card ul {
  margin: 12px 0 0;
  padding-left: 18px;
}

.gate-grid li,
.card-points li,
.brief-card li {
  margin-top: 8px;
}

.review-shell {
  width: min(1340px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 72px;
  opacity: 0;
  transition: opacity 220ms ease;
}

body.is-authenticated .review-shell {
  opacity: 1;
}

.hero-panel,
.brief-card,
.layout-card,
.comparison-section {
  background: var(--mist);
}

.hero-panel {
  padding: 36px;
}

.hero-top,
.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
}

.hero-panel h1 {
  max-width: 12ch;
  margin-top: 12px;
  font-size: clamp(3rem, 6vw, 5.6rem);
  line-height: 0.94;
}

.logout-button {
  min-height: 48px;
  padding: 0 18px;
  background: rgba(17, 16, 14, 0.08);
  color: var(--obsidian);
  font-weight: 700;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.28fr 0.82fr;
  gap: 24px;
  margin-top: 30px;
}

.metric-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.metric-pill {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.76);
  font-size: 0.92rem;
  font-weight: 700;
}

.brief-card {
  padding: 24px;
}

.brief-card h2 {
  margin-top: 10px;
  font-size: 2rem;
  line-height: 1.15;
}

.cards-section,
.comparison-section {
  margin-top: 24px;
}

.section-note {
  max-width: 34ch;
  color: var(--clay);
}

.layout-grid,
.comparison-grid {
  display: grid;
  gap: 18px;
  margin-top: 22px;
}

.layout-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.layout-card {
  display: grid;
  gap: 18px;
  padding: 26px;
}

.layout-card--signature {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.72), rgba(255, 248, 238, 0.9)),
    radial-gradient(circle at top right, rgba(193, 145, 93, 0.14), transparent 34%);
}

.layout-card--research {
  grid-column: 1 / -1;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.card-family {
  color: rgba(17, 16, 14, 0.46);
}

.layout-card h3 {
  font-size: 2rem;
  line-height: 1.04;
}

.card-points {
  color: var(--clay);
}

.comparison-section {
  padding: 30px;
}

.comparison-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.comparison-row {
  padding: 20px;
  border-radius: 22px;
  border: 1px solid rgba(17, 16, 14, 0.08);
  background: rgba(255, 255, 255, 0.56);
}

.comparison-row h3 {
  font-size: 1.65rem;
}

.comparison-row p {
  margin: 10px 0 0;
  color: var(--clay);
}

@media (max-width: 980px) {
  .hero-grid,
  .layout-grid,
  .comparison-grid,
  .gate-grid {
    grid-template-columns: 1fr;
  }

  .layout-card--research {
    grid-column: auto;
  }
}

@media (max-width: 720px) {
  .hero-top,
  .section-heading,
  .card-meta {
    flex-direction: column;
  }

  .review-shell {
    width: min(100%, calc(100% - 24px));
    padding-top: 20px;
  }

  .gate-card,
  .hero-panel,
  .brief-card,
  .layout-card,
  .comparison-section {
    border-radius: 24px;
  }

  .gate-card,
  .hero-panel,
  .layout-card,
  .comparison-section {
    padding: 22px;
  }

  .input-row {
    grid-template-columns: 1fr;
  }

  .hero-panel h1,
  .gate-card h1 {
    max-width: none;
  }
}