/* ================================================================
   Brev — brevmail.eu landing
   Tokens are the Brev Forest theme from BuiltIns.swift
   ================================================================ */

:root {
  --canvas: #F4F1EA;
  --canvas-raised: #E9E4D6;
  --canvas-deep: #DDD6C2;
  --ink: #1A2A22;
  --ink-soft: #3E5A48;
  --ink-faint: #6E8779;
  --accent: #1F5236;
  --accent-bright: #2E7D4F;
  --accent-muted: #6F9E83;
  --hairline: #CCC3AA;
  --selection: #CFE2D6;

  --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;

  --max-w: 1120px;
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #161A22;
    --canvas-raised: #1E232D;
    --canvas-deep: #262C38;
    --ink: #E6E8EE;
    --ink-soft: #A8B0BD;
    --ink-faint: #727A89;
    --accent: #7AA2C9;
    --accent-bright: #8FB7D9;
    --accent-muted: #506C84;
    --hairline: #2E3543;
    --selection: #2C3B4F;
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  font-family: var(--font-body);
  background: var(--canvas);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

/* ---------------- Dither stage ---------------- */

#dither-stage {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

#dither-stage canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* keep the right side of the viewport clear so the object breathes there */
.stage-vignette {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, var(--canvas) 0%, color-mix(in srgb, var(--canvas) 88%, transparent) 34%, transparent 68%),
    linear-gradient(0deg, var(--canvas) 0%, transparent 14%, transparent 88%, color-mix(in srgb, var(--canvas) 70%, transparent) 100%);
}

main, .site-header, .site-footer { position: relative; z-index: 1; }

/* ---------------- Header ---------------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 22px 28px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}

.wordmark-name {
  font-family: var(--font-display);
  font-weight: 650;
  font-size: 18px;
  letter-spacing: -0.015em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 500;
  transition: color 0.18s ease;
}

.site-nav a:hover { color: var(--ink); }

.nav-github {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* ---------------- Shared ---------------- */

.eyebrow, .hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent-muted);
  margin-bottom: 14px;
}

section { padding: 96px 28px; }

.section-head { max-width: var(--max-w); margin: 0 auto 48px; }

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.12;
  max-width: 640px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
  cursor: pointer;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--accent);
  color: var(--canvas);
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.12), 0 6px 20px -6px color-mix(in srgb, var(--accent) 45%, transparent);
}

.btn-primary:hover {
  background: var(--accent-bright);
  transform: translateY(-1px);
}

.btn-ghost {
  color: var(--ink);
  border: 1px solid var(--hairline);
  background: color-mix(in srgb, var(--canvas-raised) 50%, transparent);
}

.btn-ghost:hover { border-color: var(--ink-faint); transform: translateY(-1px); }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  margin-top: 20px;
}

.text-link:hover { color: var(--accent-bright); }
.text-link svg { transition: transform 0.18s ease; }
.text-link:hover svg { transform: translate(2px, -2px); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------------- Hero ---------------- */

.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-top: clamp(64px, 12vh, 140px);
  padding-bottom: 88px;
  min-height: 68vh;
  display: flex;
  align-items: center;
}

.hero-copy { max-width: 620px; }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(44px, 7.5vw, 84px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.02;
  margin-bottom: 26px;
}

.hero-lede {
  font-size: clamp(17px, 1.6vw, 19.5px);
  color: var(--ink-soft);
  max-width: 520px;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 18px;
}

.hero-note {
  font-size: 13.5px;
  color: var(--ink-faint);
  font-family: var(--font-mono);
}

/* ---------------- Proof bar ---------------- */

.proof {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-top: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-block: 1px solid var(--hairline);
}

.proof-item {
  padding: 26px 20px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.proof-item + .proof-item { border-left: 1px solid var(--hairline); }

@media (max-width: 620px) {
  .proof-item:nth-child(2n) { border-left: 0; }
}

.proof-value {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.proof-label {
  font-size: 13px;
  color: var(--ink-faint);
}

/* ---------------- Features ---------------- */

.feature-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
}

.feature {
  background: var(--canvas);
  padding: 30px 28px 34px;
  transition: background 0.2s ease;
}

.feature:hover { background: var(--canvas-raised); }

.feature h3 {
  font-family: var(--font-display);
  font-size: 17.5px;
  font-weight: 650;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

.feature p {
  font-size: 14.5px;
  color: var(--ink-soft);
}

/* ---------------- Privacy ---------------- */

.privacy {
  padding-top: 120px;
}

.privacy-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.privacy-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.12;
  margin-bottom: 18px;
}

.privacy-lede {
  color: var(--ink-soft);
  font-size: 16.5px;
}

.privacy-list {
  list-style: none;
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.privacy-list li {
  padding: 14px 0;
  border-top: 1px solid var(--hairline);
  font-size: 14.5px;
  color: var(--ink-soft);
  padding-left: 130px;
  position: relative;
}

.privacy-list li:last-child { border-bottom: 1px solid var(--hairline); }

.privacy-list span {
  position: absolute;
  left: 0;
  top: 14px;
  font-weight: 650;
  color: var(--ink);
}

/* ---------------- Terminal ---------------- */

.terminal {
  background: #101010;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 60px -24px rgb(16 24 18 / 0.45), 0 0 0 1px rgb(0 0 0 / 0.2);
  margin-top: 8px;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  background: #1A1A1A;
  border-bottom: 1px solid #2A2A2A;
}

.terminal-bar span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #3A3A3A;
}

.terminal-bar span:first-child { background: #A23A2E; }
.terminal-bar span:nth-child(2) { background: #A66B16; }
.terminal-bar span:nth-child(3) { background: #3B6B4C; }

.terminal-bar em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: #8E8676;
  margin-left: 8px;
}

.terminal pre {
  padding: 22px 24px 26px;
  overflow-x: auto;
}

.terminal code {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.75;
  color: #E8E1D2;
  white-space: pre;
}

.t-dim { color: #8E8676; }
.t-ok { color: #7FB87D; }

/* ---------------- Themes ---------------- */

.theme-row {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 18px;
  scrollbar-width: thin;
  scrollbar-color: var(--hairline) transparent;
}

.theme-swatch {
  flex: 0 0 auto;
  width: 148px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--hairline);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  cursor: default;
}

.theme-swatch:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 32px -14px rgb(16 24 18 / 0.35);
}

.theme-swatch .swatch-ink { font-size: 15px; font-weight: 650; letter-spacing: -0.01em; }
.theme-swatch .swatch-sub { font-size: 11.5px; opacity: 0.72; }
.theme-swatch .swatch-accent { display: inline-block; width: 22px; height: 4px; border-radius: 2px; margin-top: 8px; }

.theme-inner { padding: 18px 16px 16px; }

.theme-note {
  max-width: var(--max-w);
  margin: 6px auto 0;
  font-size: 14px;
  color: var(--ink-faint);
}

/* ---------------- Status ---------------- */

.status-grid { max-width: var(--max-w); margin: 0 auto; }

.status-copy { max-width: 720px; }

.status-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.12;
  margin-bottom: 18px;
}

.status-copy > p { color: var(--ink-soft); font-size: 16.5px; }

.status-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 32px 0 4px;
}

.status-card {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 22px 22px 24px;
  background: color-mix(in srgb, var(--canvas-raised) 42%, transparent);
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.status-card strong {
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 650;
  display: block;
  margin-bottom: 6px;
}

.status-card p { font-size: 14px; color: var(--ink-soft); }

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  margin-top: 6px;
  flex: 0 0 auto;
}

.dot-now { background: var(--accent-bright); }
.dot-next { background: var(--accent-muted); }

/* ---------------- Closer ---------------- */

.closer { padding-top: 40px; padding-bottom: 120px; }

.closer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.closer-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.6vw, 48px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 26px 0 30px;
  max-width: 620px;
}

.closer-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-bottom: 18px; }

.closer-note { font-size: 14px; color: var(--ink-faint); font-family: var(--font-mono); }

/* ---------------- Footer ---------------- */

.site-footer {
  border-top: 1px solid var(--hairline);
  background: color-mix(in srgb, var(--canvas-raised) 55%, transparent);
}

.footer-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 56px 28px 40px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--ink-faint);
  margin-top: 10px;
  max-width: 300px;
}

.footer-head {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 14px;
}

.footer-col a {
  display: block;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 14px;
  padding: 4px 0;
  transition: color 0.15s ease;
}

.footer-col a:hover { color: var(--accent); }

.footer-fine {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 18px 28px 30px;
  font-size: 12.5px;
  color: var(--ink-faint);
  border-top: 1px solid var(--hairline);
}

/* ---------------- Reveal on scroll ---------------- */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------------- Responsive ---------------- */

@media (max-width: 900px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .privacy-grid { grid-template-columns: 1fr; gap: 40px; }
  .proof { grid-template-columns: repeat(2, 1fr); }
  .proof-item:nth-child(3) { border-left: 0; }
  .proof-item:nth-child(n+3) { border-top: 1px solid var(--hairline); }
}

@media (max-width: 620px) {
  section { padding: 64px 20px; }
  .site-header { padding: 16px 20px; }
  .site-nav { gap: 16px; }
  .site-nav a:not(.nav-github) { display: none; }
  .feature-grid { grid-template-columns: 1fr; }
  .proof { grid-template-columns: repeat(2, 1fr); }
  .status-cards { grid-template-columns: 1fr; }
  .privacy-list li { padding-left: 0; padding-top: 26px; }
  .privacy-list span { position: static; display: block; margin-bottom: 3px; }
  .hero { min-height: 56vh; padding-top: 48px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; padding-top: 44px; }
  .btn { padding: 12px 22px; }
}