:root {
  --bg-0: #f1eadf;
  --bg-1: #d9e4d4;
  --surface: rgba(250, 247, 240, 0.8);
  --surface-strong: #ffffff;
  --surface-soft: rgba(23, 32, 44, 0.04);
  --ink: #16202e;
  --ink-muted: #576274;
  --line: rgba(22, 32, 46, 0.1);
  --accent: #bf5b3f;
  --accent-strong: #8b3f2c;
  --accent-2: #1f6974;
  --danger: #b83d55;
  --shadow: 0 24px 60px rgba(25, 30, 38, 0.12);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max-w: 1120px;
  --font-display: "Fraunces", "Georgia", serif;
  --font-ui: "Space Grotesk", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-ui);
  background:
    radial-gradient(900px 520px at 12% 8%, rgba(191, 91, 63, 0.22), transparent 55%),
    radial-gradient(760px 500px at 90% 0%, rgba(31, 105, 116, 0.16), transparent 45%),
    linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 100%);
}

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

.skip-link {
  position: absolute;
  left: 14px;
  top: -100px;
  z-index: 10;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #fffaf4;
  font-weight: 700;
}

.skip-link:focus {
  top: 12px;
}

.masthead {
  width: min(calc(100% - 32px), var(--max-w));
  margin: 20px auto 0;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.46);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.brand {
  margin: 2px 0 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.masthead-note {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.shell,
.footer {
  width: min(calc(100% - 32px), var(--max-w));
  margin: 0 auto;
}

.shell {
  display: grid;
  gap: 18px;
  padding: 18px 0 24px;
}

.card,
.footer {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
}

.card {
  border-color: rgba(22, 32, 46, 0.08);
}

.hero,
.generator,
.tips {
  position: relative;
  overflow: hidden;
}

.hero-copy,
.hero-aside,
.section-heading,
.section-heading-wide,
.generator-layout,
.result-shell,
.control-grid,
.tip-grid {
  width: 100%;
  min-width: 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 24px;
  align-items: end;
  padding: 30px;
  min-height: 52vh;
}

.hero::after,
.generator::after {
  content: "";
  position: absolute;
  inset: auto -80px -120px auto;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(191, 91, 63, 0.18), transparent 68%);
}

.hero-copy h1,
.section-heading h2,
.tip-grid h3 {
  font-family: var(--font-display);
}

.eyebrow,
.panel-label,
.result-label,
.strength-label {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.74rem;
  color: var(--accent-2);
}

.hero-copy h1 {
  margin: 12px 0 14px;
  max-width: 9ch;
  font-size: clamp(3.4rem, 8vw, 6.5rem);
  line-height: 0.9;
}

.hero-text {
  margin: 0;
  max-width: 58ch;
  color: var(--ink-muted);
  font-size: 1.04rem;
  line-height: 1.7;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.hero-points span,
.signal-row span {
  border: 1px solid rgba(22, 32, 46, 0.1);
  background: rgba(255, 255, 255, 0.66);
  color: var(--ink);
}

.hero-points span {
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 0.88rem;
}

.hero-aside {
  align-self: stretch;
  display: grid;
  align-content: end;
  gap: 14px;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.5));
  border: 1px solid rgba(22, 32, 46, 0.08);
}

.hero-aside ul {
  margin: 0;
  padding-left: 18px;
  color: var(--ink-muted);
  line-height: 1.8;
}

.generator,
.tips {
  padding: 30px;
}

.generator {
  display: grid;
  gap: 24px;
}

.generator-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 18px;
  align-items: start;
}

.section-heading h2 {
  margin: 10px 0 0;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1.02;
  max-width: 13ch;
}

.section-heading-wide {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
}

.section-copy {
  max-width: 36ch;
  margin: 0;
  color: var(--ink-muted);
  line-height: 1.7;
}

.section-heading.compact h2 {
  max-width: none;
}

.result-shell {
  display: grid;
  gap: 12px;
}

.result-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: stretch;
}

.password-output {
  min-height: 88px;
  padding: 18px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(22, 32, 46, 0.1);
  background: linear-gradient(180deg, #ffffff 0%, #f8f4ed 100%);
  font-size: clamp(1.25rem, 2.8vw, 1.9rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  word-break: break-all;
  display: flex;
  align-items: center;
}

.icon-button,
.button {
  min-height: 48px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--surface-strong);
  color: var(--ink);
  font: inherit;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.icon-button {
  min-width: 92px;
  padding: 0 18px;
  border-color: rgba(22, 32, 46, 0.1);
}

.button-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #cf7042 100%);
  color: #fff8f4;
  font-weight: 700;
}

.button-secondary {
  border-color: rgba(22, 32, 46, 0.1);
  background: rgba(255, 255, 255, 0.72);
}

.button:hover,
.icon-button:hover {
  transform: translateY(-2px);
}

.strength-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(140px, 180px);
  gap: 16px;
  align-items: center;
}

.strength-text {
  margin: 6px 0 0;
  color: var(--ink-muted);
}

.signal-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.signal-row span {
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.meter {
  height: 14px;
  border-radius: 999px;
  background: rgba(22, 32, 46, 0.08);
  overflow: hidden;
}

.meter span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--danger) 0%, #d98d38 45%, var(--accent) 100%);
  transition: width 180ms ease;
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.length-control {
  grid-column: 1 / -1;
  display: grid;
  gap: 10px;
  padding: 16px 18px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(22, 32, 46, 0.1);
  background: rgba(255, 255, 255, 0.62);
}

.length-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.length-row output {
  min-width: 3ch;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(22, 32, 46, 0.06);
  text-align: center;
  font-weight: 700;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.toggle-card {
  display: flex;
  gap: 12px;
  align-items: center;
  min-height: 72px;
  padding: 14px 16px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(22, 32, 46, 0.1);
  background: rgba(255, 255, 255, 0.62);
  cursor: pointer;
}

.toggle-card input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.toggle-card span {
  display: grid;
  gap: 2px;
}

.toggle-card small,
.tip-grid p {
  color: var(--ink-muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tip-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.tip-grid article {
  padding: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(22, 32, 46, 0.1);
  background: rgba(255, 255, 255, 0.62);
}

.tip-grid h3 {
  margin: 0 0 10px;
  font-size: 1.24rem;
}

.tip-grid p {
  margin: 0;
  line-height: 1.7;
}

.footer {
  margin-bottom: 18px;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.footer p {
  margin: 0;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

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

.reveal-1,
.reveal-2,
.reveal-3 {
  opacity: 0;
  transform: translateY(12px);
  animation: reveal 520ms ease forwards;
}

.reveal-2 {
  animation-delay: 90ms;
}

.reveal-3 {
  animation-delay: 180ms;
}

@keyframes reveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 920px) {
  .masthead,
  .hero,
  .generator-layout,
  .section-heading-wide {
    flex-direction: column;
    align-items: flex-start;
  }

  .generator-layout,
  .tip-grid,
  .control-grid,
  .strength-row,
  .result-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .masthead,
  .hero,
  .generator,
  .tips {
    padding: 22px;
  }

  .hero {
    min-height: auto;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .reveal-1,
  .reveal-2,
  .reveal-3 {
    opacity: 1;
    transform: none;
    animation: none;
  }
}