/* =========================================================
   Yamako / CALOG — shared styles
   Editorial portfolio + product support pages
   ========================================================= */

:root {
  --paper: #f2eee3;
  --paper-deep: #e8e1d2;
  --cream: #fbf8ef;
  --white: #fffdf6;
  --ink: #17201a;
  --ink-soft: #2c352d;
  --muted: #6d6a5c;
  --muted-light: #938f80;
  --line: rgba(23, 32, 26, 0.14);
  --line-strong: rgba(23, 32, 26, 0.32);
  --tomato: #e4572e;
  --tomato-deep: #b83a1c;
  --lime: #c9f06b;
  --olive: #6f7d4a;
  --sky: #b9d6df;
  --gold: #f2c94c;
  --radius-lg: 32px;
  --radius-md: 20px;
  --radius-sm: 12px;
  --shadow-soft: 0 30px 80px rgba(23, 32, 26, 0.14);
  --shadow-hard: 8px 8px 0 var(--ink);
  --font-sans: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN",
    "Yu Gothic", Meiryo, sans-serif;
  --font-serif: "Instrument Serif", "Times New Roman", "Yu Mincho", serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas,
    monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 1240px;
  --gutter: clamp(20px, 4vw, 48px);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

button,
input,
textarea {
  font: inherit;
}

p,
h1,
h2,
h3,
h4,
ul,
ol {
  margin-top: 0;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 10000;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--cream);
  font-size: 0.8rem;
  text-decoration: none;
  border-radius: 999px;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: none;
}

:focus-visible {
  outline: 2px solid var(--tomato);
  outline-offset: 4px;
}

.container {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------------------------------------------------------
   Navigation
   --------------------------------------------------------- */

.site-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px var(--gutter);
  transition: padding 0.35s var(--ease), background 0.35s ease,
    border-color 0.35s ease, backdrop-filter 0.35s ease;
  border-bottom: 1px solid transparent;
}

.site-nav.is-scrolled {
  padding-block: 12px;
  background: rgba(242, 238, 227, 0.95);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom-color: var(--line);
}

.brand {
  display: inline-flex;
  align-items: flex-start;
  gap: 2px;
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 2.4vw, 2.2rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.brand sup {
  margin-top: 0.35em;
  font-family: var(--font-mono);
  font-size: 0.32em;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.4vw, 32px);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.nav-links a {
  position: relative;
  padding: 4px 0;
  text-decoration: none;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--ink);
  transition: right 0.3s var(--ease);
}

.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after {
  right: 0;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s var(--ease);
}

.nav-cta span {
  transition: transform 0.3s var(--ease);
}

.nav-cta:hover {
  background: var(--ink);
  color: var(--cream);
  transform: translateY(-1px);
}

.nav-cta:hover span {
  transform: translate(2px, -2px);
}

.nav-toggle {
  position: relative;
  display: none;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--ink);
  border-radius: 50%;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.nav-toggle span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 1.5px;
  background: currentColor;
  transform-origin: center;
  transition: transform 0.3s var(--ease);
}

.nav-toggle span:first-child {
  transform: translate(-50%, calc(-50% - 3px));
}

.nav-toggle span:last-child {
  transform: translate(-50%, calc(-50% + 3px));
}

.site-nav.is-open .nav-toggle span:first-child {
  transform: translate(-50%, -50%) rotate(45deg);
}

.site-nav.is-open .nav-toggle span:last-child {
  transform: translate(-50%, -50%) rotate(-45deg);
}

/* ---------------------------------------------------------
   Type / shared bits
   --------------------------------------------------------- */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
  opacity: 0.55;
}

.eyebrow-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--tomato);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 22px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.3s ease, color 0.3s ease,
    transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.btn--primary {
  background: var(--ink);
  color: var(--cream);
  box-shadow: 5px 5px 0 var(--tomato);
}

.btn--primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--tomato);
}

.btn--light {
  border-color: var(--cream);
  background: var(--cream);
  color: var(--ink);
}

.btn--light:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--cream);
  transform: translateY(-2px);
}

.btn-arrow {
  display: inline-block;
  transition: transform 0.3s var(--ease);
}

.btn:hover .btn-arrow {
  transform: translate(3px, -3px);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line-strong);
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.text-link span {
  display: inline-block;
  transition: transform 0.3s var(--ease);
}

.text-link:hover {
  color: var(--tomato-deep);
  border-color: var(--tomato);
}

.text-link:hover span {
  transform: translateX(4px);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: clamp(40px, 6vw, 72px);
}

.section-head h2 {
  margin: 0;
  font-size: clamp(2.2rem, 4.6vw, 4.2rem);
  font-weight: 900;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.section-note {
  max-width: 270px;
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.85;
}

.nowrap {
  white-space: nowrap;
}

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

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 100svh;
  padding: clamp(130px, 16vh, 180px) 0 80px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.42;
  background-image: linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.55), transparent 82%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.55), transparent 82%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  align-items: center;
  gap: clamp(32px, 6vw, 80px);
}

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

.hero h1 {
  margin: 0;
  font-size: clamp(3rem, 5.2vw, 5.6rem);
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 0.95;
}

.hero h1 .line {
  display: block;
  white-space: nowrap;
}

.hero h1 .marker {
  position: relative;
  z-index: 0;
  display: inline-block;
}

.hero h1 .marker::after {
  content: "";
  position: absolute;
  left: -0.06em;
  right: -0.06em;
  bottom: 0.08em;
  z-index: -1;
  height: 0.32em;
  background: var(--lime);
  transform: rotate(-1.5deg);
}

.hero-lead {
  max-width: 34rem;
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-size: clamp(0.95rem, 1.2vw, 1.08rem);
  line-height: 1.95;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px 28px;
  margin-top: 36px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 52px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-meta span + span::before {
  content: "/";
  margin-right: 20px;
  color: var(--line-strong);
}

/* Hero visual: phone + macro ring */

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 540px;
}

.hero-visual::before {
  content: "";
  position: absolute;
  width: 76%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--lime);
  opacity: 0.65;
  transform: translate(10%, 8%);
}

.hero-visual::after {
  content: "";
  position: absolute;
  width: 58%;
  aspect-ratio: 1;
  border: 1px dashed var(--line-strong);
  border-radius: 50%;
  transform: translate(-18%, -12%);
  animation: spin 40s linear infinite;
}

.phone {
  position: relative;
  z-index: 2;
  width: min(300px, 78%);
  aspect-ratio: 0.49;
  padding: 10px;
  border-radius: 44px;
  background: var(--ink);
  box-shadow: var(--shadow-soft);
  transform: rotate(6deg);
  transition: transform 0.8s var(--ease);
}

.hero-visual:hover .phone {
  transform: rotate(2deg) translateY(-8px);
}

.phone::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 50%;
  z-index: 3;
  width: 36%;
  height: 22px;
  border-radius: 0 0 14px 14px;
  background: var(--ink);
  transform: translateX(-50%);
}

.phone-screen {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 40px 18px 18px;
  overflow: hidden;
  border-radius: 35px;
  background: var(--cream);
}

.phone-status {
  position: absolute;
  top: 14px;
  left: 24px;
  right: 24px;
  display: flex;
  justify-content: space-between;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.52rem;
}

.phone-date {
  margin: 8px 0 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.12em;
}

.phone-ring {
  position: relative;
  display: grid;
  place-items: center;
  width: 74%;
  aspect-ratio: 1;
  margin: 18px auto 12px;
  border-radius: 50%;
  background: conic-gradient(
    from -90deg,
    var(--tomato) 0 24%,
    var(--olive) 24% 46%,
    var(--lime) 46% 100%
  );
}

.phone-ring::after {
  content: "";
  position: absolute;
  inset: 14%;
  border-radius: 50%;
  background: var(--cream);
}

.phone-ring-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.phone-ring-inner strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.7rem;
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
}

.phone-ring-inner span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.48rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.phone-macros {
  display: grid;
  gap: 7px;
  margin-top: 4px;
}

.phone-macros div {
  display: grid;
  grid-template-columns: 16px 1fr auto;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.52rem;
}

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

.phone-macros strong {
  font-weight: 500;
}

.phone-macros i {
  position: relative;
  grid-column: 2 / -1;
  height: 4px;
  overflow: hidden;
  border-radius: 99px;
  background: var(--paper-deep);
}

.phone-macros i::after {
  content: "";
  position: absolute;
  inset: 0;
  width: var(--w, 50%);
  border-radius: inherit;
  background: var(--olive);
}

.phone-macros div:nth-child(2) i::after {
  background: var(--tomato);
}

.phone-macros div:nth-child(3) i::after {
  background: var(--gold);
}

.phone-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding: 12px 14px;
  border-radius: 16px;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.08em;
}

.phone-card span {
  color: var(--lime);
  font-size: 1rem;
  line-height: 1;
}

.hero-visual .chip {
  position: absolute;
  z-index: 3;
  padding: 8px 12px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--cream);
  box-shadow: 3px 3px 0 var(--ink);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
}

.chip--p {
  top: 16%;
  left: -2%;
  transform: rotate(-8deg);
}

.chip--f {
  top: 46%;
  right: -4%;
  transform: rotate(6deg);
}

.chip--c {
  bottom: 13%;
  left: 0;
  transform: rotate(-4deg);
}

.hero-sticker {
  position: absolute;
  right: 0;
  bottom: 5%;
  z-index: 3;
  display: grid;
  place-items: center;
  width: 92px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--tomato);
  box-shadow: 4px 4px 0 var(--ink);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  line-height: 1.5;
  text-align: center;
  transform: rotate(12deg);
}

.hero-note {
  position: absolute;
  right: 8%;
  bottom: -6px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.52rem;
}

.hero-scroll {
  position: absolute;
  bottom: 24px;
  left: var(--gutter);
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.16em;
  writing-mode: vertical-rl;
}

.hero-scroll i {
  position: relative;
  width: 1px;
  height: 40px;
  overflow: hidden;
  background: var(--line-strong);
}

.hero-scroll i::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--tomato);
  transform: translateY(-100%);
  animation: scroll-line 2.2s ease-in-out infinite;
}

@keyframes spin {
  to {
    rotate: 360deg;
  }
}

@keyframes scroll-line {
  0% {
    transform: translateY(-100%);
  }
  55%,
  100% {
    transform: translateY(100%);
  }
}

/* ---------------------------------------------------------
   Marquee
   --------------------------------------------------------- */

.marquee {
  overflow: hidden;
  border-block: 1px solid var(--ink);
  background: var(--ink);
  color: var(--cream);
  padding: 16px 0;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 34s linear infinite;
}

.marquee-group {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-right: 28px;
}

.marquee span {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-style: italic;
  white-space: nowrap;
}

.marquee i {
  color: var(--lime);
  font-size: 1rem;
  font-style: normal;
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

/* ---------------------------------------------------------
   Statement
   --------------------------------------------------------- */

.statement {
  padding: clamp(90px, 12vw, 150px) 0;
}

.statement-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: start;
  gap: clamp(32px, 7vw, 100px);
}

.statement h2 {
  margin: 0;
  font-size: clamp(2.4rem, 4.8vw, 4.6rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1.05;
}

.statement h2 .accent {
  color: var(--tomato);
}

.statement .serif-line {
  display: block;
  margin-top: 18px;
  color: var(--olive);
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-style: italic;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.statement-copy p {
  margin: 0 0 18px;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 2;
}

.statement-copy p:first-child {
  color: var(--ink);
  font-size: 1.05rem;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 36px;
  border-top: 1px solid var(--line-strong);
}

.stat {
  padding: 20px 16px 0 0;
  border-right: 1px solid var(--line);
}

.stat:last-child {
  padding-right: 0;
  border-right: 0;
}

.stat strong {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
}

.stat span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.66rem;
}

/* ---------------------------------------------------------
   Products
   --------------------------------------------------------- */

.products {
  padding: clamp(80px, 11vw, 140px) 0;
  border-top: 1px solid var(--line);
  background: var(--paper-deep);
}

.product-card {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: var(--radius-lg);
  background: var(--cream);
  box-shadow: var(--shadow-hard);
}

.product-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: clamp(28px, 4vw, 56px);
}

.product-index {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
}

.product-info h3 {
  margin: 20px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(4rem, 9vw, 8rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.8;
}

.product-tagline {
  margin: 16px 0 0;
  color: var(--tomato-deep);
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-style: italic;
}

.product-info > p:not(.product-tagline) {
  max-width: 30rem;
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.95;
}

.product-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px 24px;
  margin-top: 28px;
}

.product-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: auto;
  padding-top: 32px;
  font-size: 0.68rem;
}

.product-legal a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.product-legal a:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.product-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 420px;
  overflow: hidden;
  background: var(--lime);
}

.product-visual::before {
  content: "CALOG";
  position: absolute;
  color: rgba(23, 32, 26, 0.08);
  font-family: var(--font-serif);
  font-size: clamp(8rem, 18vw, 16rem);
  letter-spacing: -0.06em;
  white-space: nowrap;
  transform: rotate(-8deg);
}

.product-ring {
  position: relative;
  display: grid;
  place-items: center;
  width: min(280px, 60%);
  aspect-ratio: 1;
  border-radius: 50%;
  background: conic-gradient(
    from -90deg,
    var(--tomato) 0 24%,
    var(--olive) 24% 46%,
    var(--gold) 46% 100%
  );
  box-shadow: 0 20px 40px rgba(23, 32, 26, 0.18);
}

.product-ring::after {
  content: "";
  position: absolute;
  inset: 14%;
  border-radius: 50%;
  background: var(--lime);
}

.product-ring-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.product-ring-inner strong {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(3rem, 6vw, 4.6rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
}

.product-ring-inner span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.product-next {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  min-height: 180px;
  margin-top: 20px;
  padding: 28px clamp(24px, 3vw, 40px);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
}

.product-next .next-label {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
}

.product-next h3 {
  margin: 8px 0 0;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  letter-spacing: -0.03em;
}

.product-next p {
  max-width: 260px;
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.8;
}

/* Secondary work cards */

.work-secondary {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
  margin-top: 20px;
}

.web-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 340px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: var(--radius-lg);
  background: var(--sky);
  color: var(--ink);
  text-decoration: none;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.web-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hard);
}

.web-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
}

.web-card h3 {
  margin: 24px 0 4px;
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  letter-spacing: -0.03em;
}

.web-tagline {
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-style: italic;
}

.web-description {
  max-width: 30rem;
  margin: 12px 0 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.8;
}

.browser {
  position: relative;
  margin-top: 24px;
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: 14px;
  background: var(--cream);
  box-shadow: 5px 5px 0 rgba(23, 32, 26, 0.16);
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 9px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.browser-bar i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--line-strong);
}

.browser-bar em {
  margin-left: 8px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.48rem;
  font-style: normal;
}

.browser-body {
  padding: 16px;
}

.browser-body strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: -0.03em;
}

.browser-body span {
  color: var(--muted);
  font-size: 0.62rem;
}

.browser-lines {
  display: grid;
  gap: 6px;
  margin-top: 14px;
}

.browser-lines i {
  display: block;
  height: 6px;
  border-radius: 99px;
  background: var(--paper-deep);
}

.browser-lines i:nth-child(1) {
  width: 86%;
}

.browser-lines i:nth-child(2) {
  width: 64%;
}

.browser-lines i:nth-child(3) {
  width: 74%;
  background: var(--lime);
}

.next-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 340px;
  padding: 28px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
}

.next-card h3 {
  margin: 24px 0 8px;
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  letter-spacing: -0.03em;
}

.next-card p {
  max-width: 20rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.8;
}

/* ---------------------------------------------------------
   About
   --------------------------------------------------------- */

.about {
  padding: clamp(90px, 12vw, 150px) 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: start;
  gap: clamp(32px, 7vw, 100px);
}

.about h2 {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1.05;
}

.about-copy p {
  margin: 0 0 18px;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 2;
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.principle {
  padding-top: 18px;
  border-top: 1px solid var(--line-strong);
}

.principle span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
}

.principle h3 {
  margin: 10px 0 8px;
  font-size: 1rem;
}

.principle p {
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.7;
}

.toolbox {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 36px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.06em;
}

.toolbox span {
  color: var(--ink);
}

/* ---------------------------------------------------------
   Support / documents
   --------------------------------------------------------- */

.support {
  padding: clamp(80px, 11vw, 140px) 0;
  background: var(--ink);
  color: var(--cream);
}

.support .eyebrow,
.support .section-note {
  color: rgba(251, 248, 239, 0.58);
}

.support .section-head h2 {
  color: var(--cream);
}

.doc-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  border: 1px solid rgba(251, 248, 239, 0.18);
  background: rgba(251, 248, 239, 0.18);
}

.doc-card {
  display: flex;
  flex-direction: column;
  min-height: 220px;
  padding: 30px;
  background: var(--ink);
  color: var(--cream);
  text-decoration: none;
  transition: background 0.3s ease;
}

.doc-card:hover {
  background: var(--ink-soft);
}

.doc-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(251, 248, 239, 0.52);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
}

.doc-card-arrow {
  color: var(--lime);
  font-size: 1.2rem;
  transition: transform 0.3s var(--ease);
}

.doc-card:hover .doc-card-arrow {
  transform: translate(4px, -4px);
}

.doc-card h3 {
  margin: auto 0 8px;
  font-size: 1.35rem;
}

.doc-card p {
  margin: 0;
  color: rgba(251, 248, 239, 0.58);
  font-size: 0.76rem;
  line-height: 1.75;
}

/* ---------------------------------------------------------
   Contact
   --------------------------------------------------------- */

.contact {
  padding: clamp(90px, 12vw, 150px) 0;
  background: var(--tomato);
  color: var(--cream);
}

.contact .eyebrow {
  color: rgba(251, 248, 239, 0.7);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  align-items: end;
  gap: clamp(32px, 7vw, 100px);
}

.contact h2 {
  margin: 0;
  font-size: clamp(2.8rem, 6vw, 5.8rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1;
}

.contact-copy p {
  max-width: 30rem;
  margin: 0 0 16px;
  color: rgba(251, 248, 239, 0.86);
  font-size: 0.88rem;
  line-height: 1.9;
}

.contact .email {
  display: inline-block;
  margin: 20px 0 28px;
  padding-bottom: 4px;
  border-bottom: 2px solid rgba(251, 248, 239, 0.45);
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3.4vw, 2.8rem);
  letter-spacing: -0.02em;
  text-decoration: none;
  transition: border-color 0.3s ease;
}

.contact .email:hover {
  border-color: var(--cream);
}

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

.site-footer {
  padding: 70px 0 30px;
  background: var(--ink);
  color: var(--cream);
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(251, 248, 239, 0.16);
}

.footer-brand {
  display: inline-flex;
  align-items: flex-start;
  gap: 2px;
  color: var(--cream);
  font-family: var(--font-serif);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.8;
  text-decoration: none;
}

.footer-brand sup {
  margin-top: 0.25em;
  font-family: var(--font-mono);
  font-size: 0.28em;
}

.footer-tagline {
  margin: 0;
  color: rgba(251, 248, 239, 0.58);
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.6vw, 1.3rem);
  font-style: italic;
  line-height: 1.3;
  text-align: right;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(251, 248, 239, 0.16);
  font-size: 0.76rem;
}

.footer-links a {
  color: rgba(251, 248, 239, 0.68);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 24px;
  color: rgba(251, 248, 239, 0.42);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.06em;
}

.footer-bottom p {
  margin: 0;
}

/* ---------------------------------------------------------
   Product page
   --------------------------------------------------------- */

.product-hero {
  position: relative;
  padding: clamp(130px, 16vh, 180px) 0 clamp(70px, 10vw, 110px);
  overflow: hidden;
}

.product-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.36;
  background-image: linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), transparent 80%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), transparent 80%);
}

.product-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: clamp(32px, 6vw, 80px);
}

.product-hero h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(7rem, 16vw, 14rem);
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 0.72;
}

.product-tagline-large {
  margin: 28px 0 0;
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.3;
}

.product-lead {
  max-width: 34rem;
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.95;
}

.product-hero .hero-visual {
  min-height: 520px;
}

.product-hero .hero-visual::before {
  background: var(--sky);
}

.product-features {
  padding: clamp(80px, 11vw, 140px) 0;
  border-top: 1px solid var(--line);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feature-card {
  display: flex;
  flex-direction: column;
  min-height: 240px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--cream);
  transition: background 0.3s ease;
}

.feature-card:hover {
  background: var(--paper-deep);
}

.feature-index {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
}

.feature-icon {
  width: 42px;
  height: 42px;
  margin: 24px 0 auto;
  color: var(--tomato);
}

.feature-card h3 {
  margin: 24px 0 8px;
  font-size: 1.2rem;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.8;
}

/* ---------------------------------------------------------
   Document pages
   --------------------------------------------------------- */

body.doc {
  background: var(--paper);
}

.doc-container {
  display: grid;
  grid-template-columns: minmax(0, 760px) 240px;
  justify-content: center;
  gap: 0 clamp(40px, 6vw, 80px);
  padding-top: 140px;
  padding-bottom: 90px;
}

.doc-container > .doc-hero {
  grid-column: 1 / -1;
}

.doc-container > .doc-main {
  grid-column: 1;
  min-width: 0;
}

.doc-container > .doc-toc {
  position: sticky;
  top: 110px;
  grid-column: 2;
  grid-row: 2;
  align-self: start;
  padding-top: 8px;
}

.doc-hero {
  margin-bottom: clamp(32px, 5vw, 56px);
  padding-bottom: clamp(32px, 5vw, 56px);
  border-bottom: 1px solid var(--line-strong);
}

.doc-hero h1 {
  margin: 0;
  font-size: clamp(3rem, 6.5vw, 5.5rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1;
}

.doc-lead {
  max-width: 40rem;
  margin: 20px 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.9;
}

.doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.doc-meta span {
  display: inline-block;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.58rem;
}

.doc-main > section,
.doc-main > .section {
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.doc-main > section:first-child,
.doc-main > .section:first-child {
  padding-top: 0;
}

.doc-main > section:last-child,
.doc-main > .section:last-child {
  border-bottom: 0;
}

.doc-main h2 {
  margin: 0 0 18px;
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.3;
}

.doc-main h3 {
  margin: 28px 0 10px;
  font-size: 1.05rem;
  line-height: 1.5;
}

.doc-main h4 {
  margin: 20px 0 8px;
  font-size: 0.95rem;
}

.doc-main p {
  margin: 0 0 16px;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.95;
}

.doc-main ul,
.doc-main ol {
  margin: 0 0 18px;
  padding-left: 1.4em;
}

.doc-main li {
  margin-bottom: 8px;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.9;
}

.doc-main li::marker {
  color: var(--tomato);
}

.doc-main a {
  color: var(--tomato-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.doc-main a:hover {
  background: var(--lime);
  color: var(--ink);
}

.doc-main strong {
  color: var(--ink);
  font-weight: 700;
}

.doc-main em {
  color: var(--muted);
}

.doc-main hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 32px 0;
}

/* Notices */

.notice {
  position: relative;
  margin: 22px 0;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--tomato);
  border-radius: 0 16px 16px 0;
  background: var(--cream);
  color: var(--ink-soft);
  font-size: 0.86rem;
  line-height: 1.85;
}

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

.notice--green {
  border-left-color: var(--olive);
  background: #eef4df;
}

.notice--blue {
  border-left-color: #6d94a6;
  background: #e9f1f3;
}

.notice--orange {
  border-left-color: var(--tomato);
  background: #fbe8df;
}

.notice--yellow {
  border-left-color: var(--gold);
  background: #faf0cd;
}

/* Contact card in docs */

.contact-info {
  margin: 36px 0 0;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--cream);
}

.contact-info h2,
.contact-info h3 {
  margin-top: 0;
}

.contact-info p {
  margin-bottom: 8px;
}

.contact-info p:last-child {
  margin-bottom: 0;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  padding: 12px 20px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.3s ease, color 0.3s ease;
}

.back-link:hover {
  background: var(--ink);
  color: var(--cream);
}

/* Feedback card */

.feedback-card {
  margin: 24px 0;
  padding: 32px;
  border: 1px solid var(--ink);
  border-radius: var(--radius-md);
  background: var(--lime);
}

.feedback-card h3 {
  margin-top: 0;
  color: var(--ink);
}

.feedback-card p {
  color: var(--ink-soft);
}

.feedback-list {
  margin: 18px 0;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--cream);
}

.feedback-list ul {
  margin: 8px 0 0;
}

.feedback-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--cream) !important;
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.3s ease, transform 0.3s var(--ease);
}

.feedback-button:hover {
  background: var(--tomato);
  transform: translateY(-2px);
}

.feedback-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.7rem;
}

.feedback-list > p {
  margin-bottom: 8px;
}

/* References */

.doc-main .citation {
  margin: 18px 0;
  padding: 18px 20px;
  border-radius: var(--radius-sm);
  background: var(--paper-deep);
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.8;
}

.doc-main .note {
  margin: 18px 0;
  padding: 16px 20px;
  border-left: 4px solid #6d94a6;
  border-radius: 0 12px 12px 0;
  background: #e9f1f3;
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.8;
}

.doc-main .disclaimer {
  margin: 28px 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--tomato);
  border-radius: 0 16px 16px 0;
  background: #fbe8df;
}

.doc-main .disclaimer h3 {
  margin-top: 0;
}

/* Table of contents */

.toc-label {
  margin: 0 0 16px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.doc-toc ol {
  counter-reset: toc;
  list-style: none;
  margin: 0;
  padding: 0;
}

.doc-toc li {
  counter-increment: toc;
  margin: 0 0 10px;
}

.doc-toc a {
  position: relative;
  display: block;
  padding-left: 26px;
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.2s ease;
}

.doc-toc a::before {
  content: counter(toc, decimal-leading-zero);
  position: absolute;
  top: 0;
  left: 0;
  color: var(--line-strong);
  font-family: var(--font-mono);
  font-size: 0.54rem;
}

.doc-toc a:hover,
.doc-toc a.is-active {
  color: var(--ink);
}

.doc-toc a.is-active::before {
  color: var(--tomato);
}

.toc-mobile {
  display: none;
}

/* Reading progress + to top */

.read-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 200;
  width: 0;
  height: 2px;
  background: var(--tomato);
}

.to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--ink);
  border-radius: 50%;
  background: var(--cream);
  color: var(--ink);
  font-size: 1rem;
  text-decoration: none;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s var(--ease),
    background 0.3s ease, color 0.3s ease;
}

.to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

.to-top:hover {
  background: var(--ink);
  color: var(--cream);
}

/* ---------------------------------------------------------
   Reveal animations
   --------------------------------------------------------- */

.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

html.static [data-reveal] {
  opacity: 1 !important;
  transform: none !important;
  transition: none !important;
}

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

@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: 1fr 0.85fr;
  }

  .statement-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    gap: 40px;
  }
}

@media (max-width: 900px) {
  .hero {
    min-height: auto;
    padding-top: 130px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: clamp(3rem, 12vw, 5.5rem);
  }

  .hero-visual {
    min-height: 480px;
    margin-top: 20px;
  }

  .product-card {
    grid-template-columns: 1fr;
  }

  .product-visual {
    min-height: 320px;
    order: -1;
  }

  .doc-container {
    grid-template-columns: minmax(0, 760px);
    padding-top: 120px;
  }

  .doc-container > .doc-toc {
    display: none;
  }

  .toc-mobile {
    display: block;
    margin: 0 0 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--cream);
  }

  .toc-mobile summary {
    display: flex;
    justify-content: space-between;
    padding: 14px 18px;
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.12em;
    list-style: none;
    cursor: pointer;
  }

  .toc-mobile summary::-webkit-details-marker {
    display: none;
  }

  .toc-mobile ol {
    margin: 0;
    padding: 0 18px 18px 36px;
  }

  .toc-mobile li {
    margin-bottom: 8px;
    font-size: 0.76rem;
  }
}

@media (max-width: 700px) {
  .site-nav {
    gap: 12px;
  }

  .nav-toggle {
    display: grid;
    margin-left: auto;
  }

  .nav-links {
    display: none;
  }

  .site-nav.is-open {
    background: var(--paper);
    border-bottom-color: var(--line);
  }

  .site-nav.is-open .nav-links {
    position: absolute;
    top: calc(100% + 8px);
    right: var(--gutter);
    left: var(--gutter);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 10px 20px;
    border: 1px solid var(--line-strong);
    border-radius: 16px;
    background: var(--paper);
    box-shadow: var(--shadow-soft);
  }

  .site-nav.is-open .nav-links a {
    display: block;
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
    font-size: 0.88rem;
  }

  .site-nav.is-open .nav-links a:last-child {
    border-bottom: 0;
  }

  .hero-meta span + span::before {
    display: none;
  }

  .stat-row {
    grid-template-columns: 1fr;
  }

  .stat {
    padding: 16px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .stat:last-child {
    border-bottom: 0;
  }

  .principles,
  .doc-card-grid {
    grid-template-columns: 1fr;
  }

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

  .section-note {
    max-width: none;
  }

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

  .footer-top,
  .footer-bottom {
    flex-direction: column;
  }

  .footer-tagline {
    text-align: left;
  }

  .footer-brand {
    font-size: 4rem;
  }

  .hero-scroll {
    display: none;
  }

  .phone {
    width: min(280px, 82%);
  }

  .hero-sticker {
    right: -6px;
  }
}

@media (max-width: 900px) {
  .product-hero-grid {
    grid-template-columns: 1fr;
  }

  .product-hero h1 {
    font-size: clamp(6rem, 24vw, 10rem);
  }

  .work-secondary {
    grid-template-columns: 1fr;
  }

  .next-card {
    min-height: 220px;
  }
}

@media (max-width: 700px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .web-card,
  .next-card {
    min-height: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* =========================================================
   Landing 2.0 — index / poster
   ========================================================= */

:root {
  --font-display: "Dela Gothic One", "Noto Sans JP", sans-serif;
}

.section-head h2 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1.12;
}

.doc-hero h1 {
  padding-bottom: 0.06em;
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1.12;
}

/* Hero */

.hero {
  display: block;
  min-height: auto;
  padding: clamp(120px, 15vh, 160px) 0 0;
  overflow: hidden;
}

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

.hero-top {
  display: grid;
  grid-template-columns: 1fr 1.15fr 0.85fr;
  align-items: start;
  gap: 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line-strong);
}

.hero-top .eyebrow {
  margin: 0;
}

.hero-intro {
  max-width: 30rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.86rem;
  line-height: 1.9;
}

.hero-index {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
}

.hero-index a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.hero-index a:hover {
  color: var(--ink);
}

.hero-main {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
  padding: clamp(48px, 7vw, 84px) 0 clamp(40px, 6vw, 64px);
}

.hero-copy h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(3rem, 5.8vw, 5.4rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1.08;
}

.hero-copy h1 .line {
  display: block;
  white-space: nowrap;
}

.hero-copy h1 .marker {
  position: relative;
  z-index: 0;
  display: inline-block;
}

.hero-copy h1 .marker::after {
  content: "";
  position: absolute;
  right: -0.06em;
  bottom: 0.08em;
  left: -0.06em;
  z-index: -1;
  height: 0.28em;
  background: var(--lime);
  transform: rotate(-1.2deg);
}

.hero-copy .hero-actions {
  margin-top: 32px;
}

.hero-art {
  position: relative;
  aspect-ratio: 1 / 0.92;
  min-height: 0;
}

.hero-ring-card {
  position: absolute;
  top: 2%;
  left: 8px;
  width: 70%;
  aspect-ratio: 1;
  padding: 20px;
  border: 1px solid var(--ink);
  border-radius: 28px;
  background: var(--lime);
  box-shadow: var(--shadow-hard);
  transform: rotate(-5deg);
}

.hero-ring {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: conic-gradient(
    from -90deg,
    var(--tomato) 0 24%,
    var(--olive) 24% 46%,
    var(--gold) 46% 100%
  );
}

.hero-ring::after {
  content: "";
  position: absolute;
  inset: 14%;
  border-radius: 50%;
  background: var(--lime);
}

.hero-ring-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero-ring-inner strong {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 4.6vw, 4.2rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
}

.hero-ring-inner span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-card-label {
  position: absolute;
  bottom: 16px;
  left: 22px;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.1em;
}

.hero-browser-card {
  position: absolute;
  right: 8px;
  bottom: 4%;
  width: 60%;
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: 16px;
  background: var(--cream);
  box-shadow: 6px 6px 0 var(--ink);
  transform: rotate(4deg);
}

.hero-browser-card .browser-body strong,
.preview-browser .browser-body strong {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: -0.03em;
}

.hero-art .hero-sticker {
  top: 3%;
  right: 4px;
  bottom: auto;
  width: 88px;
  font-size: 0.5rem;
}

.hero-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.hero-foot .hero-meta {
  margin: 0;
}

.hero-foot .hero-note {
  position: static;
  margin: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.52rem;
}

.hero-wordmark {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-top: clamp(24px, 4vw, 48px);
  padding: 18px 0 8px;
  overflow: hidden;
  border-top: 1px solid var(--line-strong);
}

.hero-wordmark > span {
  font-family: var(--font-serif);
  font-size: clamp(4.5rem, 18vw, 18rem);
  letter-spacing: -0.06em;
  line-height: 0.68;
  white-space: nowrap;
}

.hero-wordmark small {
  max-width: 200px;
  padding-bottom: 8px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.14em;
  line-height: 1.7;
  text-align: right;
  text-transform: uppercase;
}

/* Works index */

.works {
  padding: clamp(90px, 12vw, 150px) 0;
}

.works-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: clamp(36px, 5vw, 56px);
}

.works-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5vw, 4.6rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 1.08;
}

.works-body {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: start;
  gap: clamp(32px, 5vw, 72px);
}

.works-list {
  border-top: 1px solid var(--line-strong);
}

.work-row {
  position: relative;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) 170px 44px 22px;
  align-items: center;
  gap: 14px;
  min-height: 108px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-strong);
  color: var(--ink);
  text-decoration: none;
  transition: background 0.3s ease, color 0.3s ease, padding 0.3s var(--ease);
}

.work-row:hover,
.work-row.is-active {
  padding-inline: 18px;
  background: var(--ink);
  color: var(--cream);
}

.work-num {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
}

.work-row:hover .work-num,
.work-row.is-active .work-num {
  color: var(--lime);
}

.work-title {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1.1;
  white-space: nowrap;
}

.work-title--latin {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.4vw, 3.2rem);
  font-weight: 400;
  letter-spacing: -0.05em;
}

.work-meta {
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.6;
}

.work-row:hover .work-meta,
.work-row.is-active .work-meta {
  color: rgba(251, 248, 239, 0.6);
}

.work-year {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  text-align: right;
}

.work-arrow {
  color: var(--tomato);
  font-size: 1.35rem;
  line-height: 1;
  text-align: right;
  transition: color 0.3s ease, transform 0.3s var(--ease);
}

.work-row:hover .work-arrow,
.work-row.is-active .work-arrow {
  color: var(--lime);
  transform: translate(4px, -4px);
}

.work-row--next {
  cursor: default;
  opacity: 0.72;
}

.work-row--next:hover {
  padding-inline: 0;
  background: transparent;
  color: var(--ink);
}

.work-row--next:hover .work-arrow {
  color: var(--muted);
  transform: none;
}

.work-thumb {
  display: none;
}

.works-preview {
  position: sticky;
  top: 120px;
  height: min(520px, 60vh);
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: 24px;
  background: var(--lime);
}

.preview {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  opacity: 0;
  transform: scale(1.02);
  transition: opacity 0.45s var(--ease), transform 0.6s var(--ease);
}

.preview.is-active {
  opacity: 1;
  transform: none;
}

.preview--calog {
  background: var(--lime);
}

.preview--mamonaku {
  background: var(--sky);
}

.preview-ring {
  position: relative;
  display: grid;
  place-items: center;
  width: 70%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: conic-gradient(
    from -90deg,
    var(--tomato) 0 24%,
    var(--olive) 24% 46%,
    var(--gold) 46% 100%
  );
}

.preview-ring::after {
  content: "";
  position: absolute;
  inset: 14%;
  border-radius: 50%;
  background: var(--lime);
}

.preview-ring-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.preview-ring-inner strong {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
}

.preview-ring-inner span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.preview-browser {
  width: 78%;
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: 14px;
  background: var(--cream);
  box-shadow: 5px 5px 0 rgba(23, 32, 26, 0.16);
}

.preview-label {
  position: absolute;
  bottom: 20px;
  left: 24px;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
}

/* About */

.about {
  padding: clamp(90px, 12vw, 150px) 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: start;
  gap: clamp(32px, 6vw, 90px);
}

.about h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 4.6vw, 4.6rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 1.1;
}

.about h2 .accent {
  color: var(--tomato);
}

.about .serif-line {
  display: block;
  margin-top: 20px;
  color: var(--olive);
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.6vw, 2.2rem);
  font-style: italic;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.about-copy > p {
  margin: 0 0 18px;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 2;
}

.about-copy > p:first-child {
  color: var(--ink);
  font-size: 1.02rem;
}

.principles {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 36px;
  border-top: 1px solid var(--line-strong);
}

.principle {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 20px;
  padding: 18px 0;
  border-top: 0;
  border-bottom: 1px solid var(--line);
}

.principle > span {
  padding-top: 3px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
}

.principle h3 {
  margin: 0 0 4px;
  font-size: 0.95rem;
}

.principle p {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.7;
}

/* Resources */

.resources {
  padding: clamp(90px, 12vw, 150px) 0;
  background: var(--ink);
  color: var(--cream);
}

.resources .eyebrow,
.resources .section-note {
  color: rgba(251, 248, 239, 0.55);
}

.resources .section-head h2 {
  color: var(--cream);
}

.resource-list {
  border-top: 1px solid rgba(251, 248, 239, 0.2);
}

.resource-row {
  display: grid;
  grid-template-columns: 54px 1fr 1.15fr 28px;
  align-items: center;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(251, 248, 239, 0.2);
  color: var(--cream);
  text-decoration: none;
  transition: color 0.3s ease, padding 0.3s var(--ease);
}

.resource-row:hover {
  padding-left: 12px;
  color: var(--lime);
}

.resource-num {
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
}

.resource-title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.2vw, 1.8rem);
  font-weight: 400;
  letter-spacing: -0.03em;
}

.resource-desc {
  color: rgba(251, 248, 239, 0.55);
  font-size: 0.76rem;
  line-height: 1.7;
}

.resource-row:hover .resource-desc {
  color: rgba(251, 248, 239, 0.8);
}

.resource-arrow {
  color: var(--lime);
  font-size: 1.2rem;
  text-align: right;
  transition: transform 0.3s var(--ease);
}

.resource-row:hover .resource-arrow {
  transform: translate(4px, -4px);
}

/* Contact */

.contact h2 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.04em;
}

/* Landing responsive */

@media (max-width: 1080px) {
  .hero-top {
    grid-template-columns: 1fr 1fr;
  }

  .hero-index {
    grid-column: 1 / -1;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-start;
    gap: 8px 24px;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .hero {
    padding-top: 120px;
  }

  .hero-top {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .hero-main {
    grid-template-columns: 1fr;
  }

  .hero-copy h1 {
    font-size: clamp(3rem, 7vw, 5rem);
  }

  .hero-art {
    aspect-ratio: 1 / 0.9;
    margin-top: 12px;
  }

  .hero-ring-card {
    width: 66%;
  }

  .hero-browser-card {
    width: 56%;
  }

  .works-body {
    grid-template-columns: 1fr;
  }

  .works-preview {
    display: none;
  }

  .work-row {
    grid-template-columns: 32px minmax(0, 1fr) 38px 24px;
    gap: 12px;
    min-height: 88px;
    padding: 16px 0;
  }

  .work-row:hover,
  .work-row.is-active {
    padding-inline: 12px;
  }

  .work-meta,
  .work-year {
    display: none;
  }

  .work-thumb {
    display: block;
    width: 34px;
    height: 34px;
    border: 1px solid var(--ink);
    border-radius: 50%;
    background: var(--lime);
  }

  .work-thumb--web {
    border-radius: 8px;
    background: var(--sky);
  }

  .work-title {
    font-size: clamp(1.15rem, 5vw, 2.2rem);
  }

  .work-title--latin {
    font-size: clamp(1.8rem, 6vw, 2.6rem);
  }

  .hero-wordmark {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .hero-wordmark small {
    max-width: none;
    padding-bottom: 0;
    text-align: left;
  }
}

@media (max-width: 700px) {
  .hero {
    padding-top: 100px;
  }

  .hero-copy h1 {
    font-size: clamp(2.4rem, 10vw, 4.6rem);
  }

  .hero-art {
    aspect-ratio: 1 / 0.94;
  }

  .hero-ring-card {
    left: 4px;
    width: 74%;
    padding: 16px;
  }

  .hero-browser-card {
    right: 4px;
    width: 62%;
  }

  .hero-art .hero-sticker {
    width: 76px;
    font-size: 0.46rem;
  }

  .hero-foot {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .hero-wordmark > span {
    font-size: clamp(4.2rem, 18vw, 9rem);
  }

  .works-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .principle {
    grid-template-columns: 72px 1fr;
    gap: 12px;
  }

  .resource-row {
    grid-template-columns: 30px 1fr 24px;
    gap: 10px;
    padding: 18px 0;
  }

  .resource-num {
    grid-column: 1;
    grid-row: 1;
  }

  .resource-title {
    grid-column: 2;
    grid-row: 1;
    font-size: 1.25rem;
  }

  .resource-arrow {
    grid-column: 3;
    grid-row: 1;
  }

  .resource-desc {
    grid-column: 2 / 3;
    grid-row: 2;
    font-size: 0.7rem;
  }

  .resource-row:hover {
    padding-left: 8px;
  }

  .contact h2 {
    font-size: clamp(2.6rem, 12vw, 4.2rem);
  }
}