/* ==========================================================================
   Kontech — Coming Soon
   Architecture: tokens → base → layout → components → sections → motion → responsive
   ========================================================================== */

/* ---------- 1. Design tokens ---------- */
:root {
  /* Colour */
  --c-charcoal: #17191A;
  --c-graphite: #242729;
  --c-graphite-2: #2E3234;
  --c-concrete: #8A8F91;
  --c-concrete-light: #B7BBBC;
  --c-offwhite: #F4F3EF;
  --c-white: #FFFFFF;
  --c-green: #6F8A72;
  --c-green-light: #8FA893;

  --c-line-dark: rgba(244, 243, 239, 0.12);
  --c-line-dark-strong: rgba(244, 243, 239, 0.22);
  --c-line-light: rgba(23, 25, 26, 0.12);
  --c-text-muted-dark: rgba(244, 243, 239, 0.66);

  /* Typography */
  --f-display: "Plus Jakarta Sans", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --f-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --f-mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;

  --fs-label: 0.6875rem;                          /* 11px */
  --fs-small: 0.8125rem;                          /* 13px */
  --fs-body: 1rem;
  --fs-lead: clamp(1.125rem, 0.95rem + 0.7vw, 1.5rem);
  --fs-h2: clamp(2rem, 1.3rem + 3vw, 4rem);
  /* Scales with width AND height so the value strip stays above the fold */
  --fs-hero: clamp(2.5rem, min(1rem + 7.2vw, 10.5vh), 7.75rem);

  --tracking-label: 0.22em;
  --tracking-hero: 0.01em;

  /* Spacing (8pt scale) */
  --s-1: 0.25rem;
  --s-2: 0.5rem;
  --s-3: 0.75rem;
  --s-4: 1rem;
  --s-5: 1.5rem;
  --s-6: 2rem;
  --s-7: 3rem;
  --s-8: 4rem;
  --s-9: 6rem;
  --s-10: 8rem;
  --gutter: clamp(1.25rem, 0.6rem + 3vw, 3.5rem);
  --container: 88rem;

  /* Radius */
  --r-sm: 2px;
  --r-md: 4px;
  --r-lg: 8px;
  --r-pill: 999px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-inout: cubic-bezier(0.65, 0, 0.35, 1);
  --t-fast: 200ms;
  --t-base: 400ms;
  --t-slow: 900ms;
  --t-reveal: 1200ms;

  /* Elevation */
  --shadow-soft: 0 10px 30px -12px rgba(0, 0, 0, 0.45);
  --shadow-float: 0 12px 28px -10px rgba(0, 0, 0, 0.5), 0 2px 6px rgba(0, 0, 0, 0.2);
}

/* ---------- 2. Base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--f-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--c-offwhite);
  background: var(--c-charcoal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, p, ol, figure { margin: 0; }
ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
svg { display: block; }

:focus-visible {
  outline: 2px solid var(--c-green-light);
  outline-offset: 4px;
  border-radius: var(--r-sm);
}

::selection { background: var(--c-green); color: var(--c-white); }

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: fixed;
  top: var(--s-3); left: var(--s-3);
  z-index: 100;
  padding: var(--s-3) var(--s-4);
  background: var(--c-offwhite);
  color: var(--c-charcoal);
  font-size: var(--fs-small);
  font-weight: 600;
  border-radius: var(--r-md);
  transform: translateY(-200%);
  transition: transform var(--t-fast) var(--ease);
}
.skip-link:focus { transform: none; }

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

.icon { width: 1.125rem; height: 1.125rem; flex: none; }

/* ---------- 3. Shared components ---------- */
.eyebrow,
.tag,
.tech-label,
.contact__label {
  font-family: var(--f-body);
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-4);
  color: var(--c-concrete-light);
}
.eyebrow__line {
  width: 2.5rem; height: 1px;
  background: var(--c-green);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  color: var(--c-concrete);
}
.tag::before {
  content: "";
  width: 6px; height: 6px;
  border: 1px solid currentColor;
  transform: rotate(45deg);
}
.tag--light { color: var(--c-concrete-light); }

/* Buttons */
.btn {
  --btn-h: 3.5rem;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-3);
  min-height: var(--btn-h);
  padding: 0 var(--s-6);
  font-family: var(--f-display);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  overflow: hidden;
  isolation: isolate;
  transition:
    background-color var(--t-base) var(--ease),
    border-color var(--t-base) var(--ease),
    color var(--t-base) var(--ease),
    transform var(--t-base) var(--ease),
    box-shadow var(--t-base) var(--ease);
}
.btn .icon { transition: transform var(--t-base) var(--ease); }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--c-offwhite);
  color: var(--c-charcoal);
  box-shadow: var(--shadow-soft);
}
.btn--primary:hover { background: var(--c-white); }
.btn--primary:hover .icon { transform: translateX(4px); }

/* WhatsApp: recognisable glyph + restrained green edge, not a loud green slab */
.btn--whatsapp {
  background: rgba(23, 25, 26, 0.35);
  color: var(--c-offwhite);
  border-color: var(--c-line-dark-strong);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.btn--whatsapp .icon { width: 1.25rem; height: 1.25rem; color: var(--c-green-light); }
.btn--whatsapp::before {
  content: "";
  position: absolute; inset: 0;
  z-index: -1;
  background: var(--c-green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-slow) var(--ease);
}
.btn--whatsapp:hover { border-color: var(--c-green); }
.btn--whatsapp:hover::before { transform: scaleX(1); }
.btn--whatsapp:hover .icon { color: var(--c-white); }

.btn--lg { --btn-h: 4rem; padding: 0 var(--s-7); font-size: 0.875rem; }

/* ---------- 4. Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  transition: background-color var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(23, 25, 26, 0.82);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--c-line-dark);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5.5rem;
  transition: height var(--t-base) var(--ease);
}
.site-header.is-scrolled .site-header__inner { height: 4.25rem; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.brand__mark {
  position: relative;
  width: 1.375rem; height: 1.375rem;
  border-left: 2px solid var(--c-offwhite);
  border-top: 2px solid var(--c-offwhite);
}
.brand__mark::after {
  content: "";
  position: absolute;
  right: 0; bottom: 0;
  width: 6px; height: 6px;
  background: var(--c-green);
}

.header-contact {
  display: flex;
  align-items: center;
  gap: var(--s-5);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.header-contact__link {
  color: var(--c-text-muted-dark);
  transition: color var(--t-fast) var(--ease);
}
.header-contact__link:hover { color: var(--c-offwhite); }
.header-contact__sep { width: 1px; height: 1rem; background: var(--c-line-dark-strong); }
.header-contact__wa {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-2) var(--s-4);
  border: 1px solid var(--c-line-dark-strong);
  border-radius: var(--r-pill);
  transition: border-color var(--t-base) var(--ease), background-color var(--t-base) var(--ease);
}
.header-contact__wa .icon { color: var(--c-green-light); }
.header-contact__wa:hover { border-color: var(--c-green); background: rgba(111, 138, 114, 0.14); }

/* ---------- 5. Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-top: clamp(6.5rem, 14vh, 11rem);
  overflow: hidden;
  isolation: isolate;
}

.hero__bg {
  position: absolute; inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 78% 18%, #34383a 0%, rgba(36, 39, 41, 0) 55%),
    radial-gradient(80% 70% at 10% 100%, #202324 0%, rgba(23, 25, 26, 0) 60%),
    var(--c-charcoal);
}

/* Procedural concrete surface: fine grain + aggregate speckle + soft mottling */
.hero__texture {
  position: absolute; inset: -4%;
  opacity: 0.55;
  mix-blend-mode: overlay;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .5 0 0 0 0 .5 0 0 0 0 .5 0 0 0 1.1 -.3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='600' height='600'%3E%3Cfilter id='m'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.012' numOctaves='4' seed='7'/%3E%3CfeColorMatrix values='0 0 0 0 .6 0 0 0 0 .6 0 0 0 0 .6 0 0 0 .9 -.2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23m)'/%3E%3C/svg%3E");
  background-size: 240px 240px, 600px 600px;
  animation: drift 60s linear infinite alternate;
}

.hero__architecture {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: 0.95;
  transform-origin: 70% 30%;
  animation: settle 22s var(--ease-inout) infinite alternate;
}
.hero__architecture .arch-light { animation: light 14s ease-in-out infinite alternate; }

.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(244, 243, 239, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(244, 243, 239, 0.045) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 40% 45%, #000 20%, transparent 80%);
  mask-image: radial-gradient(ellipse 70% 70% at 40% 45%, #000 20%, transparent 80%);
  animation: grid-move 40s linear infinite;
}

.hero__vignette {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(23, 25, 26, 0.88) 0%, rgba(23, 25, 26, 0.55) 45%, rgba(23, 25, 26, 0.15) 100%),
    linear-gradient(180deg, rgba(23, 25, 26, 0.6) 0%, rgba(23, 25, 26, 0) 22%, rgba(23, 25, 26, 0) 60%, rgba(23, 25, 26, 0.95) 100%);
}

/* Annotations */
.hero__annotations { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.tech-label {
  position: absolute;
  font-family: var(--f-mono);
  font-size: 0.625rem;
  letter-spacing: 0.18em;
  color: rgba(244, 243, 239, 0.38);
}
.tech-label--tl { top: 6rem; left: var(--gutter); }
.tech-label--tr { top: 6rem; right: var(--gutter); }

.ruler {
  position: absolute;
  background-repeat: repeat-y;
}
.ruler--left {
  top: 12rem; bottom: 14rem;
  left: calc(var(--gutter) * 0.45);
  width: 12px;
  background-image:
    linear-gradient(to bottom, rgba(244, 243, 239, 0.28) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(244, 243, 239, 0.14) 1px, transparent 1px);
  background-size: 12px 80px, 6px 16px;
  background-position: 0 0, 0 0;
  background-repeat: repeat-y;
}

.crosshair {
  position: absolute;
  width: 18px; height: 18px;
  opacity: 0.4;
}
.crosshair::before,
.crosshair::after {
  content: "";
  position: absolute;
  background: var(--c-offwhite);
}
.crosshair::before { left: 50%; top: 0; bottom: 0; width: 1px; }
.crosshair::after { top: 50%; left: 0; right: 0; height: 1px; }
.crosshair--a { top: 30%; right: 36%; }
.crosshair--b { bottom: 34%; right: 7%; }
.crosshair--b::after { background: var(--c-green); }

/* Hero content */
.hero__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.hero__content > * { max-width: 60rem; }

.hero__title {
  margin-top: var(--s-5);
  font-family: var(--f-display);
  font-weight: 800;
  font-size: var(--fs-hero);
  line-height: 0.94;
  letter-spacing: var(--tracking-hero);
  text-transform: uppercase;
  color: var(--c-white);
}
.hero__title .line { display: block; overflow: hidden; padding-bottom: 0.06em; }
.hero__title .line__inner { display: inline-block; }
.accent-dot { color: var(--c-green); }

.hero__subtitle {
  margin-top: var(--s-5);
  max-width: 40rem;
  font-family: var(--f-display);
  font-weight: 500;
  font-size: var(--fs-lead);
  line-height: 1.4;
  color: var(--c-offwhite);
}
.hero__text {
  margin-top: var(--s-3);
  max-width: 38rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--c-text-muted-dark);
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-4);
  margin-top: var(--s-6);
}

/* Mix proportion diagram */
.mix-diagram {
  position: absolute;
  z-index: 1;
  top: 50%;
  right: calc(var(--gutter) + 2vw);
  width: clamp(14rem, 20vw, 20rem);
  transform: translateY(-62%);
  pointer-events: none;
}
.mix-diagram svg { width: 100%; height: auto; overflow: visible; }
.md-ring-outer { fill: none; stroke: var(--c-line-dark); stroke-width: 1; }
.md-ticks line { stroke: rgba(244, 243, 239, 0.3); stroke-width: 1; }
.md-ticks line.major { stroke: rgba(244, 243, 239, 0.55); }
.md-track { fill: none; stroke: rgba(244, 243, 239, 0.06); stroke-width: 10; }
.md-seg {
  fill: none;
  stroke-width: 10;
  stroke-dasharray: 0 100;
  stroke-dashoffset: calc(-1 * var(--off));
  transform: rotate(-90deg);
  transform-origin: 160px 160px;
  transition: stroke-dasharray 1.6s var(--ease);
}
.md-seg--1 { stroke: #5c6163; }
.md-seg--2 { stroke: #8A8F91; }
.md-seg--3 { stroke: #C9CBC8; }
.md-seg--4 { stroke: #F4F3EF; }
.md-seg--5 { stroke: var(--c-green); }
.is-loaded .md-seg { stroke-dasharray: calc(var(--len) - 0.8) 100; }
.md-inner { fill: rgba(23, 25, 26, 0.55); stroke: var(--c-line-dark); stroke-dasharray: 2 4; }
.md-kicker {
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  fill: var(--c-concrete);
  text-anchor: middle;
}
.md-value {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 28px;
  fill: var(--c-offwhite);
  text-anchor: middle;
}
.mix-legend {
  display: grid;
  grid-template-columns: repeat(2, auto);
  justify-content: center;
  gap: var(--s-2) var(--s-5);
  margin-top: var(--s-5);
  font-family: var(--f-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(244, 243, 239, 0.5);
}
.mix-legend span { display: inline-flex; align-items: center; gap: var(--s-2); }
.mix-legend i { width: 8px; height: 2px; }
.mix-legend .k1 { background: #5c6163; }
.mix-legend .k2 { background: #8A8F91; }
.mix-legend .k3 { background: #C9CBC8; }
.mix-legend .k4 { background: #F4F3EF; }
.mix-legend .k5 { background: var(--c-green); }

/* ---------- 6. Engineering values ---------- */
.values {
  position: relative;
  z-index: 1;
  margin-top: var(--s-7);
  padding-bottom: var(--s-6);
}
.values__rule {
  position: relative;
  height: 1px;
  background: var(--c-line-dark-strong);
  transform-origin: left;
}
.values__rule::before,
.values__rule::after {
  content: "";
  position: absolute;
  top: -4px;
  width: 1px; height: 9px;
  background: var(--c-line-dark-strong);
}
.values__rule::before { left: 0; }
.values__rule::after { right: 0; }

.values__list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}
.value {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "icon index"
    "title title"
    "text text";
  align-items: center;
  align-content: start;
  row-gap: var(--s-3);
  padding: var(--s-5) var(--s-5) 0;
  border-left: 1px solid var(--c-line-dark);
  transition: background-color var(--t-base) var(--ease);
}
.value:first-child { border-left: 0; padding-left: 0; }
.value::before {
  /* measurement tick on the rule */
  content: "";
  position: absolute;
  top: 0; left: -1px;
  width: 1px; height: var(--s-4);
  background: var(--c-offwhite);
  opacity: 0.5;
}
.value:first-child::before { left: 0; }
.value__index {
  grid-area: index;
  justify-self: end;
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: rgba(244, 243, 239, 0.4);
}
.value__icon {
  grid-area: icon;
  width: 1.75rem; height: 1.75rem;
  fill: none;
  stroke: var(--c-concrete-light);
  stroke-width: 1.25;
  stroke-linecap: square;
  stroke-linejoin: miter;
  transition: stroke var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}
.value--accent .value__icon { stroke: var(--c-green-light); }
.value__title {
  grid-area: title;
  margin-top: var(--s-2);
  font-family: var(--f-display);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-offwhite);
}
.value__text {
  grid-area: text;
  max-width: 15rem;
  font-size: var(--fs-small);
  line-height: 1.55;
  color: var(--c-text-muted-dark);
}
.value:hover .value__icon { stroke: var(--c-green-light); transform: translateY(-2px); }

/* ---------- 7. Coming soon ---------- */
.soon {
  position: relative;
  padding-block: var(--s-10) var(--s-9);
  background: var(--c-offwhite);
  color: var(--c-charcoal);
  background-image:
    linear-gradient(to right, rgba(23, 25, 26, 0.045) 1px, transparent 1px);
  background-size: calc(100% / 12) 100%;
}
.soon__inner {
  display: grid;
  grid-template-columns: 12rem minmax(0, 1fr) minmax(0, 24rem);
  gap: var(--s-7);
  align-items: start;
}
.soon__meta { display: grid; gap: var(--s-4); padding-top: var(--s-3); }
.status {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--c-graphite);
}
.status__dot {
  position: relative;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--c-green);
}
.status__dot::after {
  content: "";
  position: absolute; inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--c-green);
  animation: pulse 2.8s var(--ease) infinite;
}
.soon__title {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: var(--fs-h2);
  line-height: 1.02;
  letter-spacing: 0.005em;
  text-transform: uppercase;
}
.soon__text {
  margin-top: var(--s-5);
  font-size: 1.0625rem;
  color: #4d5254;
}

.curve { padding-top: var(--s-3); }
.curve svg { width: 100%; height: 10rem; overflow: visible; }
.curve__grid line { stroke: var(--c-line-light); stroke-width: 1; vector-effect: non-scaling-stroke; }
.curve__base,
.curve__opt {
  fill: none;
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
  stroke-dasharray: 600;
  stroke-dashoffset: 600;
  transition: stroke-dashoffset 2.4s var(--ease);
}
.curve__base { stroke: var(--c-concrete); stroke-dasharray: 4 5; stroke-dashoffset: 0; opacity: 0; transition: opacity 1.4s var(--ease) .3s; }
.curve__opt { stroke: var(--c-green); stroke-width: 2; }
.curve__pt { fill: var(--c-offwhite); stroke: var(--c-green); stroke-width: 1.5; opacity: 0; transition: opacity .6s var(--ease) 1.8s; }
.curve.is-visible .curve__opt { stroke-dashoffset: 0; }
.curve.is-visible .curve__base,
.curve.is-visible .curve__pt { opacity: 1; }
.curve__caption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--s-2) var(--s-4);
  margin-top: var(--s-4);
  padding-top: var(--s-3);
  border-top: 1px solid var(--c-line-light);
  font-family: var(--f-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #5f6466;
}
.curve__caption span:last-child { display: inline-flex; align-items: center; gap: var(--s-2); }
.curve__key { width: 14px; height: 0; border-top: 1.5px dashed var(--c-concrete); }
.curve__key--opt { border-top: 2px solid var(--c-green); }
.curve__key + .curve__key, .curve__key--opt ~ .curve__key { margin-left: var(--s-2); }

.statement {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-3) var(--s-5);
  margin-top: var(--s-9);
  padding-top: var(--s-6);
  border-top: 1px solid var(--c-line-light);
  font-family: var(--f-display);
  font-size: clamp(0.8125rem, 0.7rem + 0.4vw, 1rem);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-graphite);
}
.statement span:first-child { color: #4f6a53; }
.statement__sep {
  width: 2rem; height: 1px;
  background: var(--c-green);
}

/* ---------- 8. Contact ---------- */
.contact {
  position: relative;
  padding-block: var(--s-10);
  background: var(--c-graphite);
  overflow: hidden;
  isolation: isolate;
}
.contact__bg {
  position: absolute; inset: 0;
  z-index: -1;
  background:
    radial-gradient(60% 90% at 100% 0%, rgba(111, 138, 114, 0.14), transparent 60%),
    linear-gradient(to right, rgba(244, 243, 239, 0.04) 1px, transparent 1px) 0 0 / 96px 96px,
    linear-gradient(to bottom, rgba(244, 243, 239, 0.04) 1px, transparent 1px) 0 0 / 96px 96px;
}
.contact__bg::after {
  /* architectural section outline */
  content: "";
  position: absolute;
  right: -6rem; bottom: -6rem;
  width: 34rem; height: 34rem;
  border: 1px solid var(--c-line-dark);
  transform: rotate(45deg);
}
.contact__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: var(--s-8);
  align-items: end;
}
.contact__title {
  margin-top: var(--s-5);
  font-family: var(--f-display);
  font-weight: 800;
  font-size: var(--fs-h2);
  line-height: 1.02;
  text-transform: uppercase;
  color: var(--c-white);
}
.contact__text {
  margin-top: var(--s-5);
  max-width: 32rem;
  font-size: 1.0625rem;
  color: var(--c-text-muted-dark);
}
.contact__actions { display: grid; gap: var(--s-6); justify-items: start; }
.contact__lines {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: 100%;
  border-top: 1px solid var(--c-line-dark);
}
.contact__phone {
  display: grid;
  gap: var(--s-1);
  padding: var(--s-5) var(--s-4) var(--s-2) 0;
  transition: color var(--t-base) var(--ease);
}
.contact__phone + .contact__phone { padding-left: var(--s-5); border-left: 1px solid var(--c-line-dark); }
.contact__label { color: var(--c-concrete); }
.contact__number {
  font-family: var(--f-display);
  font-size: clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--c-offwhite);
  transition: color var(--t-base) var(--ease);
}
.contact__phone:hover .contact__number { color: var(--c-green-light); }

/* ---------- 9. Footer ---------- */
.site-footer {
  background: var(--c-charcoal);
  border-top: 1px solid var(--c-line-dark);
  padding-block: var(--s-8) var(--s-6);
  font-size: var(--fs-small);
  color: var(--c-text-muted-dark);
}
.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--s-6);
  padding-bottom: var(--s-7);
}
.site-footer__brand p { margin-top: var(--s-4); max-width: 26rem; }
.brand--footer { color: var(--c-offwhite); font-size: 0.875rem; }
.site-footer__contact { display: grid; gap: var(--s-2); text-align: right; }
.site-footer__contact a {
  font-family: var(--f-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-offwhite);
  transition: color var(--t-fast) var(--ease);
}
.site-footer__contact a:hover { color: var(--c-green-light); }
.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--s-3);
  padding-top: var(--s-5);
  border-top: 1px solid var(--c-line-dark);
  font-size: 0.75rem;
  color: rgba(244, 243, 239, 0.62);
}
.site-footer__coords { font-family: var(--f-mono); font-size: 0.625rem; letter-spacing: 0.18em; text-transform: uppercase; }

/* ---------- 10. Floating WhatsApp ---------- */
.wa-float {
  position: fixed;
  right: clamp(1rem, 2.5vw, 2rem);
  bottom: clamp(1rem, 2.5vw, 2rem);
  z-index: 60;
  display: flex;
  align-items: center;
  gap: var(--s-3);
  opacity: 0;
  transform: translateY(12px) scale(0.92);
  transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}
.is-loaded .wa-float { opacity: 1; transform: none; transition-delay: 2.6s; }
.wa-float__btn {
  display: grid;
  place-items: center;
  width: 3.5rem; height: 3.5rem;
  border-radius: 50%;
  background: var(--c-green);
  color: var(--c-white);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: var(--shadow-float);
  transition: transform var(--t-base) var(--ease), background-color var(--t-base) var(--ease);
}
.wa-float__btn .icon { width: 1.625rem; height: 1.625rem; }
.wa-float__label {
  padding: var(--s-2) var(--s-4);
  border-radius: var(--r-pill);
  background: var(--c-charcoal);
  color: var(--c-offwhite);
  border: 1px solid var(--c-line-dark-strong);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  white-space: nowrap;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  transform: translateX(8px);
  pointer-events: none;
  transition: opacity var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}
.wa-float:hover .wa-float__btn,
.wa-float:focus-visible .wa-float__btn { transform: scale(1.06); background: #7c987f; }
.wa-float:hover .wa-float__label,
.wa-float:focus-visible .wa-float__label { opacity: 1; transform: none; }
.wa-float:focus-visible { outline: none; }
.wa-float:focus-visible .wa-float__btn { outline: 2px solid var(--c-offwhite); outline-offset: 3px; }

/* ---------- 11. Motion ---------- */
/* Load sequence — only hidden when JS confirms it can reveal them */
.js .hero__bg { opacity: 0; transform: scale(1.04); transition: opacity 1.8s var(--ease), transform 3s var(--ease); }
.js.is-loaded .hero__bg { opacity: 1; transform: none; }

.js [data-reveal] { transition-delay: var(--d, 0s); }
.js [data-reveal="header"] { opacity: 0; transform: translateY(-12px); transition: opacity 1s var(--ease) .5s, transform 1s var(--ease) .5s; }
.js [data-reveal="fade"] { opacity: 0; transform: translateY(18px); transition-property: opacity, transform; transition-duration: var(--t-reveal); transition-timing-function: var(--ease); }
.js [data-reveal="scale"] { opacity: 0; transition: opacity 1.6s var(--ease) var(--d); }
.js [data-reveal="line"] { transform: scaleX(0); transition: transform 1.6s var(--ease-inout) var(--d); }
.js .line__inner { transform: translateY(105%); transition: transform 1.3s var(--ease) var(--d); }

.js.is-loaded [data-reveal="header"],
.js.is-loaded [data-reveal="fade"],
.js.is-loaded [data-reveal="scale"] { opacity: 1; transform: none; }
.js.is-loaded .mix-diagram { transform: translateY(-62%); }
.js.is-loaded [data-reveal="line"] { transform: scaleX(1); }
.js.is-loaded .line__inner { transform: none; }

/* Scroll reveals */
.js [data-observe] { opacity: 0; transform: translateY(24px); transition: opacity 1.1s var(--ease), transform 1.1s var(--ease); }
.js [data-observe].is-visible { opacity: 1; transform: none; }
.js .soon__body[data-observe] { transition-delay: .12s; }
.js .curve[data-observe] { transition-delay: .24s; }
.js .contact__actions[data-observe] { transition-delay: .15s; }

@keyframes drift { to { transform: translate3d(-2%, -1.5%, 0); } }
@keyframes settle { to { transform: scale(1.035) translate3d(-0.6%, 0.4%, 0); } }
@keyframes light { from { opacity: .6; } to { opacity: 1; } }
@keyframes grid-move { to { background-position: 96px 96px, 96px 96px; } }
@keyframes pulse {
  0% { transform: scale(0.6); opacity: .9; }
  80%, 100% { transform: scale(1.8); opacity: 0; }
}

/* ---------- 12. Responsive ---------- */
@media (max-width: 1280px) {
  .mix-diagram { width: 15rem; right: var(--gutter); }
  .hero__content > * { max-width: 52rem; }
}

@media (max-width: 1100px) {
  .mix-diagram { display: none; }
  .soon__inner { grid-template-columns: minmax(0, 1fr) minmax(0, 20rem); }
  .soon__meta { grid-column: 1 / -1; grid-auto-flow: column; justify-content: start; align-items: center; gap: var(--s-5); padding: 0; }
  .crosshair--a { right: 12%; }
}

@media (max-width: 960px) {
  .values__list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .value:nth-child(4) { border-left: 0; padding-left: 0; }
  .value:nth-child(4)::before { left: 0; }
  .value:nth-child(n + 4) { border-top: 1px solid var(--c-line-dark); }
  .contact__inner { grid-template-columns: 1fr; gap: var(--s-7); align-items: start; }
}

@media (max-width: 767px) {
  :root { --fs-hero: clamp(2.5rem, 0.9rem + 9vw, 4.5rem); }
  .site-header__inner { height: 4.5rem; }
  .site-header.is-scrolled .site-header__inner { height: 4rem; }
  .brand { font-size: 0.8125rem; letter-spacing: 0.12em; }
  .brand__mark { width: 1.125rem; height: 1.125rem; }
  .header-contact { gap: var(--s-3); }
  .header-contact__link, .header-contact__sep { display: none; }
  .header-contact__wa { padding: var(--s-2) var(--s-3); font-size: 0.75rem; }

  .hero { padding-top: 7.5rem; }
  .hero__architecture { opacity: 0.6; }
  .hero__vignette {
    background: linear-gradient(180deg, rgba(23, 25, 26, 0.7) 0%, rgba(23, 25, 26, 0.55) 40%, rgba(23, 25, 26, 0.96) 100%);
  }
  .tech-label--tl { top: 5.5rem; }
  .tech-label--tr, .ruler, .crosshair--a { display: none; }
  .hero__title { line-height: 0.98; }
  .hero__subtitle { margin-top: var(--s-5); }
  .cta-group { flex-direction: column; align-self: stretch; margin-top: var(--s-6); }
  .cta-group .btn { width: 100%; }

  /* Values become a compact technical spec list */
  .values { margin-top: var(--s-8); }
  .values__list { grid-template-columns: 1fr; }
  .value,
  .value:nth-child(4) {
    grid-template-columns: 2.25rem 1fr auto;
    grid-template-areas:
      "icon title index"
      "icon text text";
    column-gap: var(--s-4);
    row-gap: var(--s-1);
    padding: var(--s-4) 0;
    border-left: 0;
    border-top: 1px solid var(--c-line-dark);
  }
  .value:first-child { border-top: 0; }
  .value::before,
  .values__rule::after { display: none; }
  .value__icon { width: 1.5rem; height: 1.5rem; align-self: start; margin-top: 2px; }
  .value__title { margin-top: 0; font-size: 0.8125rem; }
  .value__text { max-width: none; }

  .soon { padding-block: var(--s-9) var(--s-8); background-size: 25% 100%; }
  .soon__inner { grid-template-columns: 1fr; gap: var(--s-6); }
  .statement { flex-direction: column; align-items: flex-start; gap: var(--s-3); margin-top: var(--s-8); }
  .statement__sep { width: 1.25rem; }

  .contact { padding-block: var(--s-9); }
  .contact__bg::after { width: 20rem; height: 20rem; right: -8rem; bottom: -8rem; }
  .contact__actions { justify-items: stretch; }
  .contact__actions .btn { width: 100%; }
  .contact__lines { grid-template-columns: 1fr; }
  .contact__phone + .contact__phone { padding-left: 0; border-left: 0; border-top: 1px solid var(--c-line-dark); }

  .site-footer { padding-bottom: 6rem; } /* clear the floating button */
  .site-footer__contact { text-align: left; }

  .wa-float__btn { width: 3.125rem; height: 3.125rem; }
  .wa-float__btn .icon { width: 1.5rem; height: 1.5rem; }
  .wa-float__label { display: none; }
}

@media (max-width: 340px) {
  .brand__name { font-size: 0.75rem; }
  .header-contact__wa span { display: none; }
}

/* Very short landscape screens: let the hero grow naturally */
@media (max-height: 640px) and (min-width: 768px) {
  .hero { min-height: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
    scroll-behavior: auto !important;
  }
}