:root {
  --ink: #f6fbf4;
  --muted: #b4c3bd;
  --soft: #dce8df;
  --night: #07100e;
  --forest: #0b241f;
  --panel: rgba(14, 30, 26, 0.74);
  --panel-strong: rgba(11, 24, 22, 0.9);
  --line: rgba(217, 237, 224, 0.16);
  --mint: #8df2b6;
  --aqua: #68d8e8;
  --gold: #f0bf67;
  --coral: #f1826c;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(104, 216, 232, 0.14), transparent 28%),
    linear-gradient(225deg, rgba(240, 191, 103, 0.12), transparent 30%),
    var(--night);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.95), transparent 75%);
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  padding: 10px 14px;
  color: var(--night);
  background: var(--mint);
  border-radius: 6px;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 16, 14, 0.78);
  backdrop-filter: blur(20px);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1120px, calc(100% - 40px));
  min-height: 72px;
  margin: 0 auto;
}

.brand,
.nav-links,
.hero-actions,
.button,
.preview-toolbar,
.preview-topline,
.calculator-panel,
.intro-grid,
.feature-list li,
.site-footer,
.footer-links {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-weight: 800;
}

.brand-mark {
  position: relative;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(141, 242, 182, 0.42);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(141, 242, 182, 0.12), rgba(104, 216, 232, 0.12));
}

.brand-mark::before,
.brand-mark::after,
.brand-mark span {
  position: absolute;
  content: "";
}

.brand-mark::before {
  width: 14px;
  height: 14px;
  border: 2px solid var(--mint);
  transform: rotate(45deg);
}

.brand-mark::after {
  width: 2px;
  height: 20px;
  background: var(--gold);
  transform: rotate(45deg);
}

.brand-mark span {
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: var(--coral);
  transform: translate(8px, -8px);
}

.nav-links {
  gap: 6px;
}

.nav-links a {
  padding: 10px 13px;
  color: var(--muted);
  border-radius: 6px;
  font-size: 0.95rem;
  transition: color 180ms ease, background 180ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.07);
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 760px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse at 25% 20%, rgba(141, 242, 182, 0.2), transparent 36%),
    radial-gradient(ellipse at 78% 18%, rgba(240, 191, 103, 0.16), transparent 32%),
    linear-gradient(180deg, #07100e 0%, #0b1714 58%, #0e1714 100%);
}

.signal-field {
  position: absolute;
  inset: 0;
  overflow: hidden;
  opacity: 0.72;
}

.signal-line {
  position: absolute;
  left: -12%;
  width: 124%;
  height: 170px;
  border: 1px solid transparent;
  border-image: linear-gradient(90deg, transparent, var(--mint), var(--aqua), var(--gold), transparent) 1;
  border-left: 0;
  border-right: 0;
  filter: blur(0.2px);
  transform: rotate(-8deg);
}

.line-one {
  top: 110px;
}

.line-two {
  top: 242px;
  opacity: 0.56;
  transform: rotate(-4deg);
}

.line-three {
  top: 392px;
  opacity: 0.38;
  transform: rotate(5deg);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 480px);
  gap: clamp(36px, 6vw, 88px);
  align-items: center;
  width: min(1120px, calc(100% - 40px));
  min-height: 690px;
  margin: 0 auto;
  padding: 84px 0 68px;
}

.hero-copy {
  min-width: 0;
  max-width: 650px;
}

.eyebrow,
.product-kicker {
  margin: 0 0 16px;
  color: var(--mint);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 740px;
  margin-bottom: 22px;
  font-size: clamp(4rem, 9vw, 8.5rem);
  line-height: 0.9;
  letter-spacing: 0;
}

.hero-text {
  max-width: 620px;
  margin-bottom: 34px;
  color: var(--soft);
  font-size: clamp(1.12rem, 2vw, 1.38rem);
  line-height: 1.65;
}

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

.button {
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.2;
}

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

.primary {
  color: #06110e;
  background: linear-gradient(135deg, var(--mint), var(--gold));
  box-shadow: 0 16px 40px rgba(141, 242, 182, 0.2);
}

.secondary {
  color: var(--ink);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.06);
}

.hero-preview {
  width: 100%;
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(7, 16, 14, 0.68);
  box-shadow: var(--shadow);
}

.preview-toolbar {
  gap: 8px;
  min-height: 46px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
}

.preview-toolbar span {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--coral);
}

.preview-toolbar span:nth-child(2) {
  background: var(--gold);
}

.preview-toolbar span:nth-child(3) {
  background: var(--mint);
}

.preview-toolbar p {
  min-width: 0;
  overflow: hidden;
  margin: 0 0 0 8px;
  color: var(--muted);
  font-size: 0.78rem;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.preview-screen {
  overflow: hidden;
  min-height: 500px;
  padding: 28px;
  background:
    linear-gradient(150deg, rgba(141, 242, 182, 0.12), transparent 32%),
    linear-gradient(30deg, rgba(104, 216, 232, 0.12), transparent 36%),
    #0b1512;
}

.preview-topline {
  justify-content: space-between;
  margin-bottom: 54px;
}

.app-pill,
.mode-pill {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--soft);
  font-size: 0.78rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.05);
}

.preview-screen h2 {
  max-width: 280px;
  margin-bottom: 10px;
  font-size: 2.8rem;
  line-height: 1;
}

.preview-screen p {
  max-width: 315px;
  color: var(--muted);
  line-height: 1.6;
}

.calculator-panel {
  justify-content: space-between;
  gap: 14px;
  margin: 28px 0;
}

.calculator-panel div {
  flex: 1;
  min-height: 96px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.panel-label {
  display: block;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 0.82rem;
}

.calculator-panel strong {
  display: block;
  font-size: 2rem;
}

.recipe-lines {
  display: grid;
  gap: 10px;
  margin-bottom: 28px;
}

.recipe-lines span {
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(141, 242, 182, 0.74), rgba(104, 216, 232, 0.2));
}

.recipe-lines span:nth-child(2) {
  width: 82%;
}

.recipe-lines span:nth-child(3) {
  width: 70%;
}

.recipe-lines span:nth-child(4) {
  width: 88%;
}

.preview-cta {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 15px;
  border-radius: 8px;
  color: #06110e;
  font-weight: 800;
  background: var(--mint);
}

.intro-band {
  border-bottom: 1px solid var(--line);
  background: #0b1512;
}

.intro-grid {
  justify-content: space-between;
  gap: 18px;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 25px 0;
}

.intro-grid div {
  flex: 1;
  min-height: 92px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.metric {
  display: block;
  margin-bottom: 8px;
  color: var(--gold);
  font-size: clamp(1.2rem, 3vw, 2rem);
  font-weight: 800;
}

.intro-grid p {
  margin: 0;
  color: var(--muted);
}

.apps-section,
.about-section {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 104px 0;
}

.section-heading {
  max-width: 680px;
  margin-bottom: 34px;
}

.section-heading h2,
.about-copy h2 {
  margin-bottom: 16px;
  font-size: clamp(2.35rem, 5vw, 4.6rem);
  line-height: 1;
}

.section-heading p,
.about-copy p,
.product-copy p,
.principles p,
.site-footer p {
  color: var(--muted);
  line-height: 1.7;
}

.product-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.96fr);
  gap: clamp(30px, 5vw, 62px);
  align-items: stretch;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(141, 242, 182, 0.08), transparent 34%),
    var(--panel);
  box-shadow: var(--shadow);
}

.product-copy {
  padding: clamp(30px, 5vw, 52px);
}

.product-copy h3 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.03;
}

.feature-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 26px 0 32px;
  list-style: none;
}

.feature-list li {
  gap: 10px;
  color: var(--soft);
}

.feature-list li::before {
  display: grid;
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 999px;
  color: #06110e;
  font-size: 0.78rem;
  font-weight: 900;
  content: "✓";
  background: var(--mint);
}

.product-button {
  display: inline-flex;
  color: #06110e;
  background: var(--gold);
}

.app-visual {
  position: relative;
  min-height: 520px;
  padding: 34px;
  background:
    linear-gradient(90deg, transparent 48%, rgba(255, 255, 255, 0.06) 48% 52%, transparent 52%),
    linear-gradient(0deg, transparent 48%, rgba(255, 255, 255, 0.06) 48% 52%, transparent 52%),
    linear-gradient(160deg, rgba(104, 216, 232, 0.18), rgba(241, 130, 108, 0.12));
  background-size: 100% 100%, 100% 100%, auto;
}

.loaf-card,
.formula-card {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(8, 18, 16, 0.78);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(18px);
}

.loaf-card {
  top: 58px;
  right: 54px;
  width: min(76%, 340px);
  padding: 24px;
}

.loaf {
  position: relative;
  height: 180px;
  margin-bottom: 22px;
  border-radius: 52% 52% 10px 10px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.18), transparent 32%),
    linear-gradient(180deg, #d99a48 0%, #a7622c 100%);
  box-shadow: inset 0 -18px 24px rgba(67, 29, 12, 0.22);
}

.loaf span {
  position: absolute;
  top: 54px;
  left: 32%;
  width: 18px;
  height: 86px;
  border-radius: 999px;
  background: rgba(255, 236, 184, 0.72);
  transform: rotate(28deg);
}

.loaf span:nth-child(2) {
  left: 48%;
  top: 42px;
  height: 104px;
}

.loaf span:nth-child(3) {
  left: 64%;
  top: 60px;
  height: 72px;
}

.guide-step {
  display: grid;
  gap: 5px;
}

.guide-step strong {
  color: var(--mint);
}

.guide-step span {
  color: var(--soft);
}

.formula-card {
  left: 40px;
  bottom: 42px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px 28px;
  width: min(70%, 280px);
  padding: 20px;
}

.formula-card span {
  color: var(--muted);
}

.formula-card strong {
  color: var(--ink);
}

.about-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(34px, 7vw, 86px);
  align-items: start;
  border-top: 1px solid var(--line);
}

.about-copy {
  max-width: 520px;
}

.principles {
  display: grid;
  gap: 14px;
}

.principles div {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.principles h3 {
  margin-bottom: 8px;
  font-size: 1.2rem;
}

.principles p,
.site-footer p {
  margin-bottom: 0;
}

.site-footer {
  justify-content: space-between;
  gap: 24px;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 30px 0 38px;
  border-top: 1px solid var(--line);
}

.footer-links {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
}

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

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--ink);
}

@media (max-width: 900px) {
  .hero {
    min-height: auto;
  }

  .hero-inner,
  .product-feature,
  .about-section {
    grid-template-columns: 1fr;
  }

  .hero-preview {
    max-width: 560px;
  }

  .intro-grid {
    align-items: stretch;
    flex-direction: column;
  }

  .app-visual {
    min-height: 460px;
  }
}

@media (max-width: 640px) {
  .nav-shell {
    width: min(1120px, calc(100% - 28px));
    min-height: 64px;
  }

  .brand {
    font-size: 0.95rem;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
  }

  .nav-links {
    gap: 2px;
  }

  .nav-links a {
    padding: 9px 8px;
    font-size: 0.84rem;
  }

  .nav-links a[href^="mailto"] {
    display: none;
  }

  .hero-inner,
  .apps-section,
  .about-section,
  .site-footer {
    width: min(1120px, calc(100% - 28px));
  }

  .hero-inner {
    padding-top: 58px;
  }

  .hero-preview {
    max-width: calc(100vw - 28px);
  }

  .mode-pill {
    display: none;
  }

  h1 {
    font-size: clamp(3.2rem, 14vw, 3.9rem);
  }

  .hero-text {
    font-size: 1.02rem;
  }

  .button {
    width: 100%;
  }

  .preview-screen {
    min-height: 420px;
    padding: 22px;
  }

  .preview-screen h2 {
    font-size: 2.1rem;
  }

  .preview-topline {
    margin-bottom: 40px;
  }

  .calculator-panel {
    flex-direction: column;
  }

  .calculator-panel div {
    width: 100%;
    min-height: 84px;
  }

  .product-copy {
    padding: 26px;
  }

  .app-visual {
    min-height: 430px;
    padding: 20px;
  }

  .loaf-card {
    top: 28px;
    right: 20px;
    width: calc(100% - 40px);
  }

  .formula-card {
    left: 20px;
    right: 20px;
    bottom: 24px;
    width: auto;
  }

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

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