:root {

  --washi:       #FBFBF9;    
  --washi-deep:  #F3F1EA;    
  --sumi:        #1A1A1B;    
  --sumi-2:      #3B3B3D;    
  --sumi-3:      #6E6E72;    
  --rule:        #1A1A1B14; 
  --rule-strong: #1A1A1B28;  
  --hanko:       #BC002D;   
  --hanko-ink:   #9A0024;   
  --hanko-wash:  #BC002D0F;  

 
  --unit:   8px;
  --gutter: clamp(20px, 3.2vw, 40px);
  --pad-x:  clamp(20px, 5vw, 64px);
  --maxw:   1280px;

  /* tipografía */
  --t-display: clamp(48px, 7.4vw, 128px);
  --t-h2:      clamp(26px, 2.8vw, 36px);
  --t-h3:      clamp(20px, 1.6vw, 22px);
  --t-body:    17px;
  --t-small:   14px;
  --t-mono:    12.5px;

  --ff-sans:  -apple-system, BlinkMacSystemFont, "Segoe UI Variable", "Segoe UI",
              system-ui, "Inter", "Helvetica Neue", Arial, sans-serif;
  --ff-mono:  ui-monospace, "SF Mono", "JetBrains Mono", "Menlo", "Consolas",
              "Liberation Mono", monospace;
  --ff-serif: "Iowan Old Style", "Apple Garamond", "Hoefler Text", "Times New Roman",
              "Noto Serif JP", "Yu Mincho", serif;
}




*, *::before, *::after { box-sizing: border-box; }
html, body              { margin: 0; }
html                    { -webkit-text-size-adjust: 100%; }

body {
  background: var(--washi);
  color:      var(--sumi);
  font-family: var(--ff-sans);
  font-size:   var(--t-body);
  line-height: 1.45;
  font-feature-settings: "ss01", "cv11", "kern";
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a       { color: inherit; text-decoration: none; }
img     { display: block; max-width: 100%; }
button  { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

::selection { background: var(--hanko); color: var(--washi); }

a:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--hanko);
  outline-offset: 3px;
  border-radius: 2px;
}




.shell {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--pad-x);
}

.mono {
  font-family: var(--ff-mono);
  font-size:   var(--t-mono);
  letter-spacing: 0.02em;
}

.eyebrow {
  font-family: var(--ff-mono);
  font-size:   11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sumi-3);
}

.kanji { font-family: var(--ff-serif); font-weight: 400; }




.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--washi) 88%, transparent);
  backdrop-filter: saturate(120%) blur(8px);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--gutter);
  height: 64px;
}
.brand        { display: flex; align-items: center; gap: 12px; }
.brand .mark {
  width: 28px; height: 28px;
  background: url("assets/somu-hanko.webp") center / 132% no-repeat;
  border-radius: 4px;
  filter: contrast(1.05);
}
.brand .word {
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: 16px;
}
.nav-links {
  display: flex;
  gap: 28px;
  justify-self: center;
  font-size: 14.5px;
  color: var(--sumi-2);
}
.nav-links a { position: relative; padding: 6px 0; }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: 2px;
  height: 1px;
  background: var(--hanko);
  transition: right .25s ease;
}
.nav-links a:hover          { color: var(--sumi); }
.nav-links a:hover::after   { right: 0; }

.nav-meta { display: flex; align-items: center; gap: 14px; color: var(--sumi-3); }
.nav-meta .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--hanko);
  box-shadow: 0 0 0 3px var(--hanko-wash);
}
.nav-cta {
  font-family: var(--ff-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  border: 1px solid var(--sumi);
  padding: 8px 14px;
  border-radius: 2px;
  transition: background .15s ease, color .15s ease;
}
.nav-cta:hover { background: var(--sumi); color: var(--washi); }




.hero {
  position: relative;
  padding-top:    clamp(56px, 8vw, 120px);
  padding-bottom: clamp(48px, 7vw, 96px);
  border-bottom: 1px solid var(--rule);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: clamp(32px, 5vw, 80px);
  align-items: end;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}
.hero-eyebrow::before {
  content: "";
  width: 36px; height: 1px;
  background: var(--hanko);
}

.hero h1 {
  margin: 0;
  font-size: var(--t-display);
  line-height: 0.92;
  letter-spacing: -0.045em;
  font-weight: 600;
  text-wrap: balance;
}
.hero h1 em {
  font-style: normal;
  font-family: var(--ff-serif);
  font-weight: 400;
  color: var(--hanko);
  letter-spacing: -0.02em;
  font-feature-settings: "liga", "dlig";
}

.hero-lede {
  margin-top: 36px;
  font-size: clamp(18px, 1.5vw, 21px);
  line-height: 1.5;
  color: var(--sumi-2);
  max-width: 56ch;
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 40px;
}
.hero-actions .mono {
  color: var(--sumi-3);
  margin-left: 6px;
}

/* botones */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 20px;
  border-radius: 2px;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: transform .12s ease,
              background .15s ease,
              color .15s ease,
              border-color .15s ease;
}
.btn .arrow {
  font-family: var(--ff-mono);
  display: inline-block;
  transition: transform .2s ease;
}
.btn:hover .arrow      { transform: translateX(3px); }
.btn-primary           { background: var(--hanko); color: var(--washi); box-shadow: 0 1px 0 var(--hanko-ink); }
.btn-primary:hover     { background: var(--hanko-ink); }
.btn-ghost             { border-color: var(--sumi); color: var(--sumi); }
.btn-ghost:hover       { background: var(--sumi); color: var(--washi); }


.hero-side {
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 20px;
  min-height: 320px;
  padding-left: clamp(20px, 3vw, 40px);
  border-left: 1px solid var(--rule);
}
.stamp {
  position: relative;
  aspect-ratio: 1 / 1;
  background:
    url("assets/somu-hanko.webp") center / cover no-repeat,
    var(--washi);
  border-radius: 4px;
  filter: contrast(1.04);
}
.stamp::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, transparent 55%, var(--washi) 100%);
  mix-blend-mode: lighten;
  opacity: .35;
  pointer-events: none;
}
.stamp-caption {
  display: flex;
  justify-content: space-between;
  color: var(--sumi-3);
  font-family: var(--ff-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
}




.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: clamp(24px, 4vw, 80px);
  align-items: end;
  margin-bottom: clamp(48px, 6vw, 80px);
}
.section-head h2 {
  margin: 0;
  font-size: var(--t-h2);
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-weight: 600;
  text-wrap: balance;
}
.section-head .note {
  max-width: 52ch;
  color: var(--sumi-2);
  font-size: 17px;
  line-height: 1.55;
  text-wrap: pretty;
}




.philo {
  padding-block: clamp(56px, 7vw, 96px);
  border-bottom: 1px solid var(--rule);
}
.philo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top:  1px solid var(--rule);
  border-left: 1px solid var(--rule);
}
.tenet {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 24px;
  padding: clamp(28px, 3vw, 40px);
  background: var(--washi);
  border-right:  1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  transition: background .25s ease;
}
.tenet:hover { background: var(--washi-deep); }

.tenet-num {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  color: var(--sumi-3);
}
.tenet-num .ji {
  font-family: var(--ff-serif);
  font-size: 40px;
  line-height: 1;
  color: var(--sumi);
}
.tenet h3 {
  margin: 0;
  font-size: var(--t-h3);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.tenet p {
  margin: 8px 0 0;
  color: var(--sumi-2);
  font-size: 15.5px;
  line-height: 1.55;
  text-wrap: pretty;
}
.tenet-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--sumi-3);
}
.tenet-tag::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--hanko);
}




.roadmap {
  padding-block: clamp(56px, 7vw, 96px);
  border-bottom: 1px solid var(--rule);
}
.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(20px, 2vw, 28px);
}

.card {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 24px;
  min-height: 320px;
  padding: clamp(28px, 3vw, 40px);
  background: var(--washi);
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px -24px #1A1A1B40;
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}
.card-name {
  display: flex;
  align-items: baseline;
  gap: 14px;
}
.card-name h3 {
  margin: 0;
  font-size: clamp(30px, 3vw, 40px);
  line-height: 1;
  letter-spacing: -0.025em;
  font-weight: 600;
}
.card-name .ji {
  font-family: var(--ff-serif);
  font-size: 28px;
  line-height: 1;
  color: var(--hanko);
}
.card p {
  margin: 12px 0 0;
  max-width: 38ch;
  color: var(--sumi-2);
  font-size: 16px;
  line-height: 1.55;
  text-wrap: pretty;
}


.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sumi-2);
}
.pill::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--sumi-3);
}
.pill.beta::before { background: var(--hanko); }
.pill.soon::before { background: #C99A00; }


.card-foot {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: end;
  padding-top: 16px;
  border-top: 1px dashed var(--rule-strong);
}
.specs {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 24px;
}
.spec    { display: flex; flex-direction: column; gap: 4px; }
.spec dt {
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sumi-3);
}
.spec dd { margin: 0; font-size: 14px; color: var(--sumi); }


.card-glyph {
  position: absolute;
  right: -20px;
  bottom: -40px;
  font-family: var(--ff-serif);
  font-size: 240px;
  line-height: 1;
  color: var(--sumi);
  opacity: 0.04;
  pointer-events: none;
  user-select: none;
}

.card .more {
  align-self: end;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 2px;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--sumi-2);
  border-bottom: 1px solid var(--rule-strong);
  transition: color .15s ease, border-color .15s ease;
}
.card .more:hover { color: var(--hanko); border-color: var(--hanko); }




.contact {
  position: relative;
  padding-block: clamp(56px, 7vw, 96px);
  overflow: hidden;
}
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}
.contact h2 {
  margin: 18px 0 0;
  font-size: clamp(40px, 5vw, 72px);
  line-height: 1;
  letter-spacing: -0.035em;
  font-weight: 600;
  text-wrap: balance;
}
.contact h2 em {
  font-style: normal;
  font-family: var(--ff-serif);
  font-weight: 400;
  color: var(--hanko);
}
.contact .lede {
  margin: 28px 0 0;
  max-width: 50ch;
  font-size: 18px;
  line-height: 1.55;
  color: var(--sumi-2);
}
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 36px;
}
.contact-meta {
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 24px 40px;
  margin-top: 36px;
  font-family: var(--ff-mono);
  font-size: 13px;
}
.contact-meta dt {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sumi-3);
}
.contact-meta dd { margin: 4px 0 0; color: var(--sumi); }


.hanko-wrap { position: relative; }
.hanko-big {
  justify-self: center;
  position: relative;
  width: clamp(260px, 30vw, 380px);
  aspect-ratio: 1 / 1;
  background: url("assets/somu-hanko.webp") center / cover no-repeat;
  border-radius: 8px;
  filter: contrast(1.06);
  transform: rotate(-3deg);
  box-shadow: 0 0 0 1px var(--rule);
}
.hanko-big::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, transparent 60%, var(--washi) 100%);
  mix-blend-mode: lighten;
  opacity: .5;
  border-radius: 8px;
}
.hanko-caption {
  position: absolute;
  bottom: -28px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--ff-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--sumi-3);
  white-space: nowrap;
}




footer {
  padding-block: 40px 28px;
  border-top: 1px solid var(--rule);
  color: var(--sumi-3);
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 32px;
  align-items: start;
}
.foot-manifest {
  padding-left: 14px;
  border-left: 2px solid var(--hanko);
  font-family: var(--ff-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--sumi-2);
}
.foot-stack {
  font-size: 13.5px;
  line-height: 1.7;
}
.foot-stack b {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sumi);
}
.foot-stack p {
  margin: 0;
  color: var(--sumi-2);
  font-size: 13px;
  line-height: 1.6;
}

.foot-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  font-family: var(--ff-mono);
  font-size: 12px;
  color: var(--sumi-3);
}
.foot-bottom .dot {
  display: inline-block;
  width: 6px; height: 6px;
  margin-inline: 8px;
  border-radius: 50%;
  background: var(--hanko);
  vertical-align: middle;
}
.tech { display: flex; align-items: center; gap: 16px; }
.tech .chip {
  padding: 4px 8px;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  font-family: var(--ff-mono);
  font-size: 11.5px;
  color: var(--sumi-2);
}




@media (max-width: 880px) {
  .nav-links     { display: none; }
  .hero-grid     { grid-template-columns: 1fr; }
  .hero-side     {
    border-left: 0;
    padding-left: 0;
    padding-top: 32px;
    border-top: 1px solid var(--rule);
  }
  .section-head  { grid-template-columns: 1fr; }
  .philo-grid    { grid-template-columns: 1fr; }
  .roadmap-grid  { grid-template-columns: 1fr; }
  .contact-grid  { grid-template-columns: 1fr; }
  .hanko-big     { width: 220px; }
  .foot-grid     { grid-template-columns: 1fr 1fr; }
  .foot-manifest { grid-column: 1 / -1; }
}