:root {
  --ink: #161b18;
  --muted: #667066;
  --paper: #ffffff;
  --mist: #f4f2eb;
  --line: #dbd8cd;
  --accent: #315c48;
  --accent-2: #a9773e;
  --deep: #111b17;
  --soft: #ecefe7;
  --shadow: 0 22px 70px rgba(20, 28, 22, 0.12);
  --shadow-soft: 0 14px 42px rgba(20, 28, 22, 0.09);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(22, 27, 24, 0.025) 1px, transparent 1px),
    linear-gradient(0deg, rgba(22, 27, 24, 0.022) 1px, transparent 1px),
    var(--mist);
  background-size: 42px 42px;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  line-height: 1.75;
}

a {
  color: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 13px clamp(18px, 5vw, 72px);
  background: rgba(249, 248, 241, 0.78);
  border-bottom: 1px solid rgba(22, 27, 24, 0.09);
  backdrop-filter: blur(18px);
  box-shadow: 0 12px 34px rgba(22, 27, 24, 0.045);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.brand strong {
  font-size: 18px;
  line-height: 1.25;
}

.brand span,
.nav,
.fine,
.note {
  color: var(--muted);
}

.brand span,
.fine {
  font-size: 12px;
}

.nav {
  display: flex;
  gap: 8px;
  font-size: 13px;
}

.nav a,
.card,
.button {
  text-decoration: none;
}

.nav a {
  padding: 7px 10px;
  border-radius: 999px;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.74);
  color: var(--accent);
}

.hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(330px, 0.98fr);
  gap: clamp(32px, 6vw, 76px);
  align-items: center;
  min-height: 720px;
  padding: clamp(60px, 8vw, 106px) clamp(18px, 5vw, 72px);
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.20) 56%, rgba(255, 255, 255, 0.02)),
    linear-gradient(145deg, color-mix(in srgb, var(--accent) 11%, transparent), transparent 46%),
    var(--mist);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(22, 27, 24, 0.055) 1px, transparent 1px),
    linear-gradient(0deg, rgba(22, 27, 24, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 64%, transparent);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(46vw, 640px);
  height: 100%;
  background:
    linear-gradient(160deg, color-mix(in srgb, var(--accent) 72%, #101412), var(--deep));
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.94;
  pointer-events: none;
}

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

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 920px;
  font-size: clamp(40px, 5.8vw, 78px);
  line-height: 1.04;
  letter-spacing: 0;
}

.lead {
  max-width: 760px;
  margin: 26px 0 0;
  color: #354139;
  font-size: clamp(16px, 1.55vw, 19px);
  line-height: 1.9;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 12px 22px;
  border: 1px solid var(--accent);
  border-radius: 5px;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 12px 30px color-mix(in srgb, var(--accent) 22%, transparent);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 38px color-mix(in srgb, var(--accent) 28%, transparent);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.62);
  color: var(--accent);
  box-shadow: none;
}

.proofs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.proof {
  padding: 9px 12px;
  border: 1px solid color-mix(in srgb, var(--accent) 26%, var(--line));
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  color: #39483f;
  font-size: 13px;
  font-weight: 800;
  box-shadow: 0 8px 22px rgba(22, 27, 24, 0.06);
}

.visual {
  position: relative;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  grid-template-rows: 270px 170px;
  gap: 14px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.13);
  box-shadow: 0 30px 90px rgba(5, 12, 9, 0.32);
  backdrop-filter: blur(8px);
}

.shot {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 12px;
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.16), transparent 32%),
    linear-gradient(20deg, rgba(8, 12, 10, 0.44), transparent 60%),
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 38%, #d8d3c4), color-mix(in srgb, var(--accent-2) 28%, #c4c9bd)),
    #d9ddd4;
  box-shadow: inset 0 -80px 120px rgba(0, 0, 0, 0.25);
}

.shot.large {
  grid-row: span 2;
}

.shot::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 0;
  background:
    linear-gradient(130deg, transparent 0 44%, rgba(255,255,255,0.16) 44% 45%, transparent 45% 100%),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.065) 0 1px, transparent 1px 18px),
    linear-gradient(0deg, rgba(16, 32, 26, 0.18), transparent);
}

.shot::after {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 8px;
}

.shot span {
  position: absolute;
  left: 16px;
  bottom: 14px;
  z-index: 1;
  padding: 6px 9px;
  border-radius: 999px;
  background: rgba(12, 18, 15, 0.62);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  backdrop-filter: blur(8px);
}

.section {
  padding: clamp(58px, 7.5vw, 104px) clamp(18px, 5vw, 72px);
}

.section > * {
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
}

.white {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.88)),
    var(--paper);
}

.dark {
  background: var(--deep);
  color: #fff;
}

.dark .lead,
.dark .card p,
.dark .list li {
  color: rgba(255, 255, 255, 0.76);
}

.section-title {
  max-width: 900px;
  margin: 0 0 26px;
  font-size: clamp(28px, 3.55vw, 48px);
  line-height: 1.12;
}

.section > .section-title {
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
}

.section-lead {
  max-width: 820px;
  margin: -8px 0 28px;
  color: var(--muted);
  font-size: 17px;
}

.section > .section-lead {
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.index-grid {
  margin-top: 34px;
}

.card {
  position: relative;
  display: block;
  min-height: 100%;
  padding: 28px;
  border: 1px solid rgba(22, 27, 24, 0.09);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.88));
  box-shadow: var(--shadow-soft);
}

.card::before {
  content: "";
  display: block;
  width: 38px;
  height: 3px;
  margin-bottom: 18px;
  background: var(--accent-2);
}

.card h2,
.card h3 {
  margin: 0 0 10px;
  font-size: 21px;
  line-height: 1.35;
}

.card p,
.card li {
  color: var(--muted);
}

.card p {
  margin: 0;
}

.story {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: clamp(24px, 5vw, 60px);
  align-items: stretch;
}

.story-copy {
  position: relative;
  padding: clamp(32px, 5vw, 56px);
  border-left: 0;
  border-radius: 8px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 94%, #000), var(--deep));
  color: #fff;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.story-copy::before {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255,255,255,0.13);
  pointer-events: none;
}

.story-copy p {
  position: relative;
  margin: 0;
  color: #fff;
  font-size: clamp(21px, 2.45vw, 32px);
  line-height: 1.55;
  font-weight: 800;
}

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

.spec li {
  padding: 20px 22px;
  border: 1px solid rgba(22, 27, 24, 0.09);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 12px 32px rgba(22, 27, 24, 0.06);
}

.spec strong {
  display: block;
  margin-bottom: 4px;
  color: var(--ink);
}

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

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(28px, 5vw, 68px);
}

.split-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.82fr);
  gap: clamp(20px, 4vw, 44px);
  align-items: stretch;
}

.side-panel {
  padding: 30px;
  border: 1px solid color-mix(in srgb, var(--accent) 16%, var(--line));
  border-radius: 8px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--accent) 9%, #fff), #fff);
  box-shadow: var(--shadow-soft);
}

.side-panel h3 {
  margin: 0 0 12px;
  font-size: 22px;
}

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

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

.list li {
  position: relative;
  padding: 13px 0 13px 24px;
  border-bottom: 1px solid rgba(22, 27, 24, 0.08);
  color: var(--muted);
}

.list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--accent-2);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  counter-reset: steps;
}

.faq {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.faq-item {
  padding: 24px;
  border-top: 3px solid var(--accent);
  border-radius: 0 0 8px 8px;
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.faq-item h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

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

.step {
  padding: 24px;
  border: 1px solid rgba(22, 27, 24, 0.09);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-soft);
  counter-increment: steps;
}

.step::before {
  content: counter(steps, decimal-leading-zero);
  display: block;
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
}

.step h3,
.step p {
  margin: 0;
}

.step h3 {
  margin-bottom: 8px;
}

.step p {
  color: var(--muted);
}

.cta {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  padding: clamp(32px, 5vw, 56px);
  border-radius: 8px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 94%, #000), var(--deep));
  color: #fff;
  box-shadow: var(--shadow);
}

.cta::before {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  pointer-events: none;
}

.cta > * {
  position: relative;
}

.cta h2 {
  margin: 0;
  font-size: clamp(25px, 3.2vw, 40px);
}

.cta p {
  color: rgba(255, 255, 255, 0.78);
}

.cta .button {
  background: #fff;
  border-color: #fff;
  color: var(--deep);
}

.notice {
  margin-top: 18px;
  color: var(--muted);
  font-size: 12px;
}

footer {
  padding: 28px clamp(18px, 5vw, 72px);
  border-top: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-size: 13px;
}

.tone-paint {
  --accent: #76513c;
  --accent-2: #bd8749;
  --deep: #281b16;
  --mist: #f7f2ed;
  --soft: #f0e3d6;
}

.tone-steel {
  --accent: #315d68;
  --accent-2: #9c7b45;
  --deep: #14262b;
  --mist: #f2f5f4;
  --soft: #dfe9e8;
}

.tone-garden {
  --accent: #385f3f;
  --accent-2: #b17b44;
  --deep: #152117;
  --mist: #f4f3eb;
  --soft: #e5ecdf;
}

@media (max-width: 920px) {
  .hero,
  .two-col,
  .cta,
  .story,
  .split-panel {
    grid-template-columns: 1fr;
  }

  .visual {
    grid-template-rows: 180px 130px;
  }

  .grid,
  .steps,
  .faq {
    grid-template-columns: 1fr;
  }

  .nav {
    display: none;
  }
}