:root {
  --ink: #251f19;
  --muted: #68615a;
  --muted-2: #948b81;
  --line: #ddd8d3;
  --paper: #f7f7f4;
  --paper-2: #eeede6;
  --paper-3: #e4e0dd;
  --white: #ffffff;
  --accent: #f48d16;
  --accent-hover: #e07d0c;
  --font: "Geist", system-ui, sans-serif;
  --mono: "Fragment Mono", ui-monospace, monospace;
  --rail: 1120px;
  --pad: clamp(1.25rem, 4vw, 3rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--ink);
  text-underline-offset: 0.18em;
}

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

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--white);
  padding: 0.75rem 1rem;
  z-index: 100;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
}

.rail {
  width: min(100% - (var(--pad) * 2), var(--rail));
  margin-inline: auto;
}

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
}

.top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.25rem;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.04em;
  color: var(--ink);
  text-decoration: none;
}

.brand .brand-mark {
  width: 1.7rem;
  height: 1.7rem;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.top-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

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

.nav-link,
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.icon {
  width: 1em;
  height: 1em;
  flex-shrink: 0;
  display: block;
}

.nav-link .icon {
  width: 1.05rem;
  height: 1.05rem;
}

.btn .icon {
  width: 0.95rem;
  height: 0.95rem;
}

.hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: clamp(3rem, 8vw, 5.5rem) 0 clamp(2.5rem, 6vw, 4rem);
  background:
    radial-gradient(ellipse 70% 55% at 88% 12%, rgba(244, 141, 22, 0.2), transparent 58%),
    radial-gradient(ellipse 50% 40% at 8% 88%, rgba(244, 141, 22, 0.12), transparent 55%),
    linear-gradient(165deg, #f7f7f4 0%, #eeede6 48%, #e8e4de 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: -10% 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 72% 28%, rgba(244, 141, 22, 0.16), transparent 42%),
    radial-gradient(circle at 18% 62%, rgba(37, 31, 25, 0.05), transparent 46%);
  animation: drift 18s var(--ease) infinite alternate;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
  background-image:
    repeating-linear-gradient(
      180deg,
      transparent 0,
      transparent 56px,
      rgba(37, 31, 25, 0.04) 56px,
      rgba(37, 31, 25, 0.04) 57px
    ),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1440' height='720' viewBox='0 0 1440 720' fill='none'%3E%3Cpath d='M0 180 C240 140 420 220 720 170 C1020 120 1200 150 1440 120' stroke='%23F48D16' stroke-opacity='0.18' stroke-width='1.5'/%3E%3Cpath d='M0 300 C260 250 480 330 760 280 C1040 230 1240 270 1440 240' stroke='%23251F19' stroke-opacity='0.08' stroke-width='1.5'/%3E%3Cpath d='M0 430 C280 380 520 470 820 410 C1100 360 1280 400 1440 370' stroke='%23F48D16' stroke-opacity='0.12' stroke-width='1.5'/%3E%3Cpath d='M0 560 C300 510 560 600 860 540 C1120 490 1300 530 1440 500' stroke='%23251F19' stroke-opacity='0.07' stroke-width='1.5'/%3E%3C/svg%3E");
  background-size: auto, cover;
  background-position: center top;
  background-repeat: repeat, no-repeat;
  mask-image: linear-gradient(180deg, transparent 0%, #000 12%, #000 78%, transparent 100%);
}

.hero > * {
  position: relative;
  z-index: 1;
}

.hero-inner {
  max-width: 44rem;
}

.eyebrow {
  margin: 0 0 1rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-brand {
  display: flex;
  align-items: center;
  gap: clamp(0.85rem, 2vw, 1.25rem);
  opacity: 0;
  transform: translateY(16px);
  animation: rise 0.9s var(--ease) 0.08s forwards;
}

.hero-mark {
  width: clamp(4.25rem, 9vw, 6rem);
  height: clamp(4.25rem, 9vw, 6rem);
  flex-shrink: 0;
  border-radius: 18px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(3.5rem, 9vw, 5.75rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
  font-weight: 700;
}

.slogan {
  margin: 1.25rem 0 0;
  font-size: clamp(1.25rem, 2.6vw, 1.65rem);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.03em;
  color: var(--ink);
  opacity: 0;
  transform: translateY(16px);
  animation: rise 0.9s var(--ease) 0.18s forwards;
}

.lede {
  margin: 1rem 0 0;
  max-width: 40ch;
  font-size: 1.1rem;
  color: var(--muted);
  opacity: 0;
  transform: translateY(16px);
  animation: rise 0.9s var(--ease) 0.28s forwards;
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
  opacity: 0;
  transform: translateY(16px);
  animation: rise 0.9s var(--ease) 0.38s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.55rem 0.95rem;
  font-size: 0.88rem;
}

.btn-primary {
  background: var(--accent);
  color: var(--ink);
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--ink);
}

.btn-ghost {
  border: 1px solid var(--line);
  color: var(--ink);
  background: transparent;
}

.btn-ghost:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.hero-visual {
  margin-top: clamp(2.5rem, 6vw, 3.5rem);
  opacity: 0;
  transform: translateY(18px);
  animation: rise 1s var(--ease) 0.45s forwards;
}

.hero-visual img {
  width: 100%;
  border-radius: 18px;
  border: 1px solid var(--line);
}

.band {
  padding: clamp(4rem, 9vw, 6.5rem) 0;
}

.band-tint {
  background: var(--paper-2);
}

.band h2 {
  margin: 0;
  font-size: clamp(2rem, 4.5vw, 3.15rem);
  letter-spacing: -0.045em;
  line-height: 1.12;
  max-width: 18ch;
}

.section-lede {
  margin: 1rem 0 0;
  max-width: 46ch;
  color: var(--muted);
  font-size: 1.08rem;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--line);
}

.split h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

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

.compare {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: clamp(1rem, 2.5vw, 1.75rem);
  align-items: stretch;
  margin-top: 2.75rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--line);
}

.compare-pane {
  min-width: 0;
  padding: 1.25rem 1.25rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
}

.compare-pane-lake {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
  background: linear-gradient(180deg, #fff 0%, #fff8ef 100%);
}

.compare-head {
  margin-bottom: 1rem;
}

.compare-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.55rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.compare-badge img {
  width: 0.95rem;
  height: 0.95rem;
  border-radius: 3px;
  object-fit: contain;
}

.compare-badge-trad {
  background: var(--paper-3);
  color: var(--muted);
}

.compare-badge-lake {
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  color: var(--ink);
}

.compare-head h3 {
  margin: 0;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
}

.compare-viz {
  margin: 0 0 1rem;
  padding: 0.75rem;
  border-radius: 12px;
  background: var(--paper);
  border: 1px solid var(--line);
}

.compare-pane-lake .compare-viz {
  background: #fff;
  border-color: color-mix(in srgb, var(--accent) 25%, var(--line));
}

.compare-viz svg {
  display: block;
  width: 100%;
  height: auto;
}

.compare-viz .viz-label {
  fill: var(--muted-2);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.compare-viz .viz-caption {
  fill: var(--muted);
  font-family: var(--font);
  font-size: 12px;
}

.compare-viz .viz-caption.muted {
  fill: var(--muted-2);
}

.compare-viz .viz-on-dark {
  fill: #fff;
  font-family: var(--mono);
  font-size: 11px;
}

.compare-pane > p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.compare-vs {
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: center;
}

.compare-vs span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.25rem;
  height: 3.25rem;
  padding: 0 0.5rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.steps {
  list-style: none;
  margin: 2.75rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.steps li {
  margin: 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.step-num {
  display: block;
  margin-bottom: 0.85rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.steps h3 {
  margin: 0 0 0.55rem;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
}

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

.flow-strip {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  font-family: var(--mono);
  font-size: 0.85rem;
  border-top: 1px solid var(--line);
}

.flow-strip li {
  padding: 1.25rem 1rem 0 0;
  color: var(--muted);
  border-right: 1px solid var(--line);
}

.flow-strip li:last-child {
  border-right: none;
  padding-right: 0;
}

.flow-strip > li > span:not(.flow-icon) {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.72rem;
}

.flow-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  margin-bottom: 0.65rem;
  border-radius: 8px;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--ink);
  overflow: hidden;
}

.flow-icon svg,
.flow-icon img {
  width: 1.15rem;
  height: 1.15rem;
  display: block;
  object-fit: contain;
}

.tech-row {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.tech-row li {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 0.7rem;
  row-gap: 0.1rem;
  align-items: center;
  padding: 0.85rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
}

.tech-icon {
  grid-row: 1 / span 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 10px;
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink);
  overflow: hidden;
}

.tech-icon svg,
.tech-icon img {
  width: 1.4rem;
  height: 1.4rem;
  display: block;
  object-fit: contain;
}

.tech-name {
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.tech-meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted-2);
  letter-spacing: 0.02em;
}

.brand-title {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 1.55rem;
  height: 1.55rem;
  object-fit: contain;
  flex-shrink: 0;
}

.brand-mark-text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.fine {
  margin: 1.5rem 0 0;
  max-width: 62ch;
  color: var(--muted-2);
  font-size: 0.95rem;
}

.text-link {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--mono);
  font-size: 0.88rem;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.code {
  margin: 1.75rem 0 1.5rem;
  padding: 1.25rem 1.35rem;
  background: var(--ink);
  color: #f7f7f4;
  border-radius: 14px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.9rem;
  line-height: 1.65;
}

.code code {
  font-family: inherit;
  white-space: pre;
}

.foot {
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--line);
}

.foot-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.92rem;
}

.foot a {
  color: inherit;
}

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

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-3%, 4%, 0) scale(1.05);
  }
}

@media (max-width: 900px) {
  .top-nav .nav-link span {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .top-nav .nav-link {
    padding: 0.35rem;
  }

  .split,
  .steps,
  .flow-strip,
  .compare {
    grid-template-columns: 1fr;
  }

  .compare-vs {
    padding: 0.25rem 0;
  }

  .compare-vs span {
    transform: rotate(-90deg);
  }

  .flow-strip li {
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding: 1rem 0;
  }

  .flow-strip li:last-child {
    border-bottom: none;
  }

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

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

  .hero-brand,
  .slogan,
  .lede,
  .cta,
  .hero-visual,
  .hero::before,
  .reveal {
    opacity: 1;
    transform: none;
    animation: none;
    transition: none;
  }
}