/* ============================================================
   DeepFlow — landing
   Dirección: editorial-técnico. Serif editorial (Newsreader)
   para titulares, Inter para UI, JetBrains Mono para datos.
   Paleta: tinta profunda + hueso + verde ledger + ámbar.
   ============================================================ */

:root {
  --ink: #0a0b0d;
  --ink-2: #101216;
  --ink-3: #16191f;
  --bone: #ece9e2;
  --bone-dim: #b8b5ae;
  --muted: #7d8088;
  --green: #3ecf8e;
  --green-dim: rgba(62, 207, 142, 0.12);
  --amber: #e8b34b;
  --term-amber: #ff9d2e;
  --red: #e0654f;
  --line: rgba(236, 233, 226, 0.09);
  --line-strong: rgba(236, 233, 226, 0.18);

  --font-display: "Newsreader", Georgia, serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --max: 1240px;
  --pad: clamp(20px, 4vw, 56px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

/* scroll-behavior handled by Lenis when JS loads; fallback for no-JS */
.no-motion html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* grain overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.028;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}

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

em { font-style: italic; }

/* shimmer on editorial em — hero title and manifesto */
.hero__title em,
.manifesto__text em,
.contact__title em {
  display: inline-block;
  /* padding da aire al glifo itálico para que el background-clip: text
     no corte los trazos que sobresalen de la caja (ej: la "l" final) */
  padding: 0.1em 0.12em 0.05em 0.04em;
  margin: -0.1em -0.12em -0.05em -0.04em;
  background: linear-gradient(100deg, var(--green) 0%, #a8f5d8 45%, var(--green) 100%);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 5s ease-in-out infinite;
}
@keyframes shimmer {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ---------- primitives ---------- */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 24px;
}

.h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(32px, 4.5vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  padding: 14px 28px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--bone);
  text-decoration: none;
  cursor: pointer;
  background: transparent;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
              background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.btn:hover { transform: translateY(-2px); border-color: var(--bone); }

.btn--primary {
  background: var(--bone);
  color: var(--ink);
  border-color: var(--bone);
}
.btn--primary:hover { background: var(--green); border-color: var(--green); color: var(--ink); }

.btn--ghost:hover { background: rgba(236, 233, 226, 0.06); }

.btn--small { padding: 9px 20px; font-size: 13.5px; }
.btn--full { width: 100%; }

/* ---------- reveal defaults (JS toma el control si hay GSAP) ---------- */

[data-reveal] { opacity: 0; transform: translateY(28px); }
.no-motion [data-reveal] { opacity: 1; transform: none; }

[data-lines] .rline {
  display: block;
  overflow: hidden;
}
[data-lines] .rline > span { display: block; }

/* ============================================================
   NAV
   ============================================================ */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 14px var(--pad);
  transition: background 0.4s ease, border-color 0.4s ease, padding 0.4s ease;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(10, 11, 13, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--line);
  padding: 10px var(--pad);
}

.nav__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav__brand { display: flex; align-items: baseline; gap: 10px; text-decoration: none; }
.nav__logo {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  color: var(--bone);
  letter-spacing: -0.01em;
}
.nav__by {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
}

.nav__links { display: flex; gap: 28px; }
.nav__links a {
  color: var(--bone-dim);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s ease;
}
.nav__links a:hover { color: var(--bone); }

/* ============================================================
   HERO
   ============================================================ */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 140px var(--pad) 48px;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 45% at 75% 20%, rgba(62, 207, 142, 0.07), transparent 65%),
    radial-gradient(ellipse 50% 40% at 15% 85%, rgba(232, 179, 75, 0.05), transparent 60%);
  pointer-events: none;
  animation: bgPulse 10s ease-in-out infinite alternate;
}
@keyframes bgPulse {
  0%   { background:
    radial-gradient(ellipse 60% 45% at 75% 20%, rgba(62, 207, 142, 0.07), transparent 65%),
    radial-gradient(ellipse 50% 40% at 15% 85%, rgba(232, 179, 75, 0.05), transparent 60%); }
  50%  { background:
    radial-gradient(ellipse 70% 55% at 70% 15%, rgba(62, 207, 142, 0.11), transparent 65%),
    radial-gradient(ellipse 55% 50% at 20% 80%, rgba(232, 179, 75, 0.08), transparent 60%); }
  100% { background:
    radial-gradient(ellipse 55% 40% at 80% 25%, rgba(62, 207, 142, 0.06), transparent 65%),
    radial-gradient(ellipse 60% 45% at 10% 90%, rgba(232, 179, 75, 0.04), transparent 60%); }
}

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  filter: blur(1.1px);
}

/* lienzo de fondo sutil para el resto de las secciones:
   pocas cosas flotando, blurred, que no compitan con el contenido */
.bg-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
  filter: blur(2px);
}
.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 0%, transparent 75%);
  opacity: 0.5;
}

.hero__inner {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(44px, 6.5vw, 92px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}
.hero__title em { color: var(--green); font-weight: 300; }
.hero__title .line {
  display: block;
  overflow: hidden;
  /* aire vertical/derecho dentro del clip del reveal para itálicas */
  padding: 0.09em 0.14em 0.05em 0;
  margin: -0.09em -0.14em -0.05em 0;
}
.hero__title .line > span { display: block; transform: translateY(110%); }
.no-motion .hero__title .line > span { transform: none; }

/* typing cursor & char spans */
.type-cursor {
  display: inline-block;
  width: 2px;
  height: 0.82em;
  background: var(--green);
  vertical-align: text-bottom;
  margin-left: 2px;
  animation: blink 0.65s step-end infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}
[data-lines] { opacity: 0; }
.no-motion [data-lines] { opacity: 1; }

.hero__sub {
  font-size: clamp(16px, 1.4vw, 19px);
  color: var(--bone-dim);
  max-width: 52ch;
  margin-bottom: 36px;
}

.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* console */

.console {
  background: rgba(16, 18, 22, 0.85);
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 12.5px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
}

.console__bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}
.console__dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--line-strong);
}
.console__dot:first-child { background: rgba(224, 101, 79, 0.5); }
.console__dot:nth-child(2) { background: rgba(232, 179, 75, 0.5); }
.console__dot:nth-child(3) { background: rgba(62, 207, 142, 0.5); }
.console__title { margin-left: 8px; color: var(--muted); font-size: 11.5px; }

.console__body {
  padding: 18px 18px 8px;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.console__row { display: flex; gap: 10px; align-items: baseline; opacity: 0; animation: rowIn 0.3s ease forwards; }
@keyframes rowIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.console__time { color: var(--muted); flex-shrink: 0; font-size: 11px; }
.console__msg { color: var(--bone-dim); }
.console__msg .ok { color: var(--green); }
.console__msg .warn { color: var(--amber); }
.console__msg .accent { color: var(--bone); }

/* blinking terminal caret at the end of the feed */
.console__body::after {
  content: "▌";
  color: var(--term-amber);
  font-size: 12px;
  line-height: 1;
  margin-top: 2px;
  animation: caret 1.05s steps(1) infinite;
}
@keyframes caret { 50% { opacity: 0; } }

.console__status {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 11.5px;
}
.pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(62, 207, 142, 0.5); }
  50% { box-shadow: 0 0 0 7px rgba(62, 207, 142, 0); }
}

/* stats */

.hero__stats {
  position: relative;
  max-width: var(--max);
  margin: 72px auto 0;
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
}

.stat { padding: 26px 24px 0 0; }
.stat + .stat { padding-left: 24px; border-left: 1px solid var(--line); }

.stat__num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(24px, 2.4vw, 34px);
  color: var(--bone);
  line-height: 1.1;
  margin-bottom: 6px;
}
.stat__unit { font-size: 0.6em; color: var(--muted); }
.stat__label {
  font-size: 13px;
  color: var(--muted);
}

.hero__scrollhint {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 48px;
  overflow: hidden;
}
.hero__scrollhint span {
  display: block;
  width: 1px;
  height: 100%;
  background: linear-gradient(var(--bone), transparent);
  animation: scrollhint 2s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}
@keyframes scrollhint {
  0% { transform: translateY(-100%); }
  60%, 100% { transform: translateY(100%); }
}


/* ============================================================
   MARQUEE
   ============================================================ */

.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
  overflow: hidden;
  background: var(--ink-2);
}

.marquee__track {
  display: flex;
  align-items: center;
  gap: 28px;
  width: max-content;
  animation: marquee 36s linear infinite;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.marquee__track i { color: var(--green); font-style: normal; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============================================================
   MANIFESTO
   ============================================================ */

.manifesto {
  position: relative;
  padding: clamp(110px, 14vw, 200px) var(--pad);
  overflow: hidden;
}

.manifesto__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
#manifesto-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  filter: blur(1.6px);
}

/* glow verde que late (scale/opacity) y deriva de posición por la sección */
.manifesto__glow {
  position: absolute;
  top: 0;
  left: 0;
  width: clamp(420px, 55vw, 900px);
  height: clamp(420px, 55vw, 900px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(62, 207, 142, 0.13), transparent 62%);
  filter: blur(30px);
  will-change: transform, opacity;
  animation: glowDrift 26s ease-in-out infinite;
}
@keyframes glowDrift {
  0%   { transform: translate(-20%, -10%) scale(0.8);  opacity: 0.55; }
  22%  { transform: translate(45%, 15%)  scale(1.15); opacity: 1; }
  45%  { transform: translate(90%, 55%)  scale(0.85); opacity: 0.6; }
  68%  { transform: translate(35%, 80%)  scale(1.2);  opacity: 0.95; }
  85%  { transform: translate(-5%, 40%)  scale(0.9);  opacity: 0.65; }
  100% { transform: translate(-20%, -10%) scale(0.8);  opacity: 0.55; }
}

.manifesto__inner { position: relative; max-width: var(--max); margin: 0 auto; }

.manifesto__text {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(28px, 3.8vw, 54px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  max-width: 24ch;
}
.manifesto__text em { color: var(--green); }

.manifesto__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: center;
}

/* pila de artifacts — papeles del run sobre el escritorio */
.mstack {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 380px;
  justify-self: end;
  width: 100%;
}

.mstack__card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--ink-2);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 16px 20px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
  transition: border-color 0.3s ease;
  animation: mstackFloat 7s ease-in-out infinite;
}
.mstack__card:nth-child(1) { rotate: -1.6deg; translate: -10px 0; animation-delay: 0s; }
.mstack__card:nth-child(2) { rotate: 1.1deg; translate: 14px 0; animation-delay: -1.8s; }
.mstack__card:nth-child(3) { rotate: -0.8deg; translate: -4px 0; animation-delay: -3.5s; }
.mstack__card:nth-child(4) { rotate: 1.4deg; translate: 8px 0; animation-delay: -5.2s; }
.mstack__card:hover { border-color: var(--green); }

@keyframes mstackFloat {
  0%, 100% { margin-top: 0; }
  50% { margin-top: -5px; }
}

.mstack__type {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 6px 9px;
  border-radius: 6px;
  border: 1px solid;
}
.mstack__type--pdf  { color: var(--red);   border-color: rgba(224, 101, 79, 0.35);  background: rgba(224, 101, 79, 0.08); }
.mstack__type--xlsx { color: var(--green); border-color: rgba(62, 207, 142, 0.35);  background: rgba(62, 207, 142, 0.08); }
.mstack__type--json { color: var(--amber); border-color: rgba(232, 179, 75, 0.35);  background: rgba(232, 179, 75, 0.08); }
.mstack__type--log  { color: var(--muted); border-color: var(--line-strong);        background: rgba(236, 233, 226, 0.04); }

.mstack__info { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.mstack__name {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--bone);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mstack__meta { font-size: 12px; color: var(--muted); }

.mstack__caption {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-top: 8px;
  padding-left: 4px;
}

.manifesto__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(28px, 4vw, 56px);
  margin-top: clamp(64px, 8vw, 110px);
  padding-top: 48px;
  border-top: 1px solid var(--line);
}

.mcol__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--green);
  display: block;
  margin-bottom: 18px;
}
.mcol h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 22px;
  margin-bottom: 10px;
}
.mcol p { font-size: 14.5px; color: var(--muted); }

/* ============================================================
   PROCESS
   ============================================================ */

/* gutter = igual margen que el contenedor centrado, para alinear panels con el header */
.process {
  --gutter: max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad)));
  position: relative;
  height: 100vh;
  min-height: 600px;
  background: var(--ink-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(28px, 5vh, 56px);
  padding: clamp(90px, 12vh, 140px) 0 clamp(44px, 7vh, 72px);
  overflow: hidden;
}

.process__top {
  width: 100%;
  padding: 0 var(--gutter);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
}
.process__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(26px, 3.6vw, 48px);
  line-height: 1.07;
  letter-spacing: -0.01em;
  max-width: 17ch;
  margin-top: 18px;
}
.process__counter {
  font-family: var(--font-display);
  font-size: clamp(30px, 3.2vw, 46px);
  font-weight: 300;
  color: var(--muted);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.process__counter #proc-current { color: var(--green); }
.process__counter-sep { margin: 0 8px; opacity: 0.45; }

.process__track {
  display: flex;
  align-items: stretch;
  gap: clamp(20px, 2.4vw, 36px);
  padding: 0 var(--gutter);
  width: max-content;
  will-change: transform;
}

.pstep {
  flex: 0 0 auto;
  width: clamp(300px, 40vw, 460px);
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: clamp(28px, 3vw, 44px);
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: 18px;
  opacity: 0.45;
  transition: opacity 0.5s ease, border-color 0.5s ease, transform 0.5s ease;
}
.pstep.is-active {
  opacity: 1;
  border-color: rgba(62, 207, 142, 0.32);
  transform: translateY(-6px);
}
.no-motion .pstep { opacity: 1; }

.pstep__num {
  font-family: var(--font-display);
  font-size: clamp(40px, 4vw, 60px);
  font-weight: 300;
  color: var(--green);
  line-height: 1;
  transition: text-shadow 0.5s ease;
}
.pstep.is-active .pstep__num { text-shadow: 0 0 34px rgba(62, 207, 142, 0.5); }

.pstep__body { flex: 1; }
.pstep__body h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(24px, 2.4vw, 32px);
  margin-bottom: 14px;
}
.pstep__body p {
  color: var(--bone-dim);
  font-size: 15.5px;
}

.step__code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--green);
  background: var(--green-dim);
  border: 1px solid rgba(62, 207, 142, 0.2);
  padding: 8px 14px;
  border-radius: 8px;
  align-self: flex-start;
}

.process__bar {
  width: 100%;
  padding: 0 var(--gutter);
}
/* línea recta hecha con divs: base + fill + dot, todos sobre el mismo ancho.
   El fill y el dot usan calc(var(--p)*100%) → quedan pegados a cualquier progreso. */
.process__chartwrap {
  position: relative;
  width: 100%;
  height: 46px;
}
.process__chart-base {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1.5px;
  transform: translateY(-50%);
  background: var(--line-strong);
}
.process__chart-fill {
  position: absolute;
  left: 0;
  top: 50%;
  width: calc(var(--p, 0) * 100%); /* --p (0..1) lo setea el JS */
  height: 3px;
  transform: translateY(-50%);
  background: var(--green);
  border-radius: 2px;
  box-shadow: 0 0 6px rgba(62, 207, 142, 0.55);
}
/* punto luminoso en la punta */
.process__tip {
  position: absolute;
  left: calc(var(--p, 0) * 100%); /* misma var que el fill → siempre pegado */
  top: 50%;
  width: 10px;
  height: 10px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px rgba(62, 207, 142, 0.9);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.process__tip.is-on { opacity: 1; }

/* el track y el header van por encima de la línea */
.process__top { position: relative; z-index: 1; }
.process__track { position: relative; z-index: 1; }

/* fallback vertical en pantallas chicas (sin pin horizontal) */
@media (max-width: 859px) {
  .process {
    height: auto;
    min-height: 0;
    display: block;
    padding: clamp(90px, 14vw, 140px) 0;
  }
  .process__top { flex-direction: column; align-items: flex-start; gap: 8px; margin-bottom: 48px; }
  .process__counter { display: none; }
  .process__track {
    flex-direction: column;
    width: auto;
    transform: none !important;
    gap: 16px;
  }
  .pstep { width: auto; opacity: 1; transform: none; }
  .process__bar { display: none; }
}

/* ============================================================
   SOLVES
   ============================================================ */

.solves { position: relative; overflow: hidden; padding: clamp(110px, 14vw, 180px) var(--pad); }
.solves__inner { position: relative; z-index: 1; max-width: var(--max); margin: 0 auto; }

.solves__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: clamp(48px, 6vw, 80px);
}

.card {
  background: var(--ink);
  padding: clamp(28px, 3.5vw, 48px);
  transition: background 0.35s ease;
}
.card:hover { background: var(--ink-3); }

.card__metric {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 22px;
}
.card__metric .strike { text-decoration: line-through; color: var(--muted); }

.card h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(21px, 2.2vw, 28px);
  margin-bottom: 12px;
}
.card p { color: var(--muted); font-size: 14.5px; max-width: 46ch; }

/* ============================================================
   SAMPLE
   ============================================================ */

.sample {
  position: relative;
  overflow: hidden;
  padding: clamp(110px, 14vw, 180px) var(--pad);
  background: var(--ink-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.sample__inner { position: relative; z-index: 1; max-width: var(--max); margin: 0 auto; }
.sample__sub { color: var(--muted); margin-top: 18px; max-width: 60ch; }

.sample__layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(40px, 6vw, 90px);
  margin-top: clamp(48px, 6vw, 80px);
  align-items: start;
}

/* memo mock */

.memo { perspective: 1200px; }

.memo__page {
  position: relative;
  background: #f4f1ea;
  color: #1b1c1e;
  border-radius: 6px;
  padding: clamp(24px, 3vw, 44px);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.55);
  transform: rotateX(2deg) rotateY(-3deg);
  overflow: hidden;
}

.memo__header {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: #8a8478;
  border-bottom: 1px solid #d9d4c8;
  padding-bottom: 14px;
  margin-bottom: 22px;
}

.memo__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(26px, 2.6vw, 36px);
  margin-bottom: 14px;
}
.memo__title span { color: #8a8478; font-weight: 300; }

.memo__tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 26px; }
.tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid #d9d4c8;
  color: #6b665c;
}
.tag--green { background: rgba(32, 160, 105, 0.12); border-color: rgba(32, 160, 105, 0.4); color: #1c7a52; }

.memo__lines { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.memo__line { height: 9px; border-radius: 3px; background: #ddd8cc; }
.w90 { width: 90%; } .w85 { width: 85%; } .w80 { width: 80%; }
.w75 { width: 75%; } .w70 { width: 70%; } .w60 { width: 60%; }

.memo__chart {
  color: #20a069;
  background: rgba(32, 160, 105, 0.07);
  border: 1px solid rgba(32, 160, 105, 0.18);
  border-radius: 6px;
  padding: 14px;
  margin-bottom: 24px;
}
.memo__chart svg { display: block; width: 100%; height: 80px; }

.memo__blur {
  position: absolute;
  inset: auto 0 0 0;
  height: 38%;
  background: linear-gradient(transparent, #f4f1ea 55%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 26px;
}
.memo__blur span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: #1b1c1e;
  border: 1px solid #1b1c1e;
  border-radius: 999px;
  padding: 8px 18px;
}

/* contents list */

.sample__contents { list-style: none; display: flex; flex-direction: column; }
.sample__contents li {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: 15px 4px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: clamp(17px, 1.6vw, 21px);
  transition: padding-left 0.3s ease, color 0.3s ease;
}
.sample__contents li:hover { padding-left: 14px; color: var(--green); }
.sample__contents li span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green);
}

.sample__cta { margin-top: clamp(48px, 6vw, 72px); text-align: center; }

/* ============================================================
   CONTACT
   ============================================================ */

.contact { position: relative; overflow: hidden; padding: clamp(110px, 14vw, 190px) var(--pad); }

.contact__inner {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(48px, 7vw, 110px);
  align-items: start;
}

.contact__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(34px, 4.2vw, 60px);
  line-height: 1.12;
  letter-spacing: -0.01em;
}
.contact__title em { color: var(--green); }

.contact__sub { color: var(--muted); margin-top: 22px; max-width: 46ch; }

.contact__channels { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 40px; }

.channel {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 13px 20px;
  color: var(--bone);
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.3s ease;
}
.channel:hover { border-color: var(--green); background: var(--green-dim); transform: translateY(-2px); }

.channel__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  color: var(--green);
  flex-shrink: 0;
}
.channel__icon svg { width: 100%; height: 100%; }

.channel__label {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.channel__arrow {
  display: inline-flex;
  width: 15px;
  height: 15px;
  margin-left: 2px;
  color: var(--muted);
  transition: color 0.25s ease, transform 0.3s ease;
}
.channel__arrow svg { width: 100%; height: 100%; }
.channel:hover .channel__arrow { color: var(--green); transform: translate(2px, -2px); }

/* form */

.form {
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: clamp(26px, 3vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form__field { display: flex; flex-direction: column; gap: 8px; }
.form__field span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.form__field input,
.form__field textarea {
  background: var(--ink);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 14px 16px;
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 15px;
  resize: vertical;
  transition: border-color 0.25s ease;
}
.form__field input:focus,
.form__field textarea:focus {
  outline: none;
  border-color: var(--green);
}
.form__field ::placeholder { color: var(--muted); }

.form__hint {
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer { border-top: 1px solid var(--line); padding: 36px var(--pad); }
.footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}
.footer__brand { font-family: var(--font-display); font-size: 18px; }
.footer__brand em { color: var(--muted); font-size: 13px; font-family: var(--font-mono); font-style: normal; margin-left: 6px; }
.footer__note { font-family: var(--font-mono); font-size: 12px; color: var(--green); letter-spacing: 0.08em; }
.footer__legal { font-size: 12px; color: var(--muted); }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; }
  .console { max-width: 560px; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); row-gap: 10px; }
  .stat:nth-child(odd) { border-left: none; padding-left: 0; }
  .stat:nth-child(3),
  .stat:nth-child(4) { border-top: 1px solid var(--line); }
  .manifesto__grid { grid-template-columns: 1fr; }
  .mstack { justify-self: start; max-width: 420px; }
  .manifesto__cols { grid-template-columns: 1fr; gap: 36px; }
  .solves__grid { grid-template-columns: 1fr; }
  .sample__layout { grid-template-columns: 1fr; }
  .contact__inner { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav__links { display: none; }
  .hero { padding-top: 120px; }
  .console__body { min-height: 260px; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .hero__title .line > span { transform: none; }
  .pstep { opacity: 1; }
}

/* ============================================================
   THEME TOGGLE BUTTON
   ============================================================ */

.theme-toggle {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--bone-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.theme-toggle:hover { color: var(--bone); border-color: var(--bone); }

/* ============================================================
   LIGHT MODE
   ============================================================ */

body.light {
  --ink: #f0ede6;
  --ink-2: #e8e5de;
  --ink-3: #ddd9d2;
  --bone: #111217;
  --bone-dim: #3d3e44;
  --muted: #6b6c72;
  --green: #1a9e6a;
  --green-dim: rgba(26, 158, 106, 0.12);
  --amber: #c57a10;
  --term-amber: #c96800;
  --red: #b03020;
  --line: rgba(17, 18, 23, 0.10);
  --line-strong: rgba(17, 18, 23, 0.22);
}

body.light .nav.is-scrolled {
  background: rgba(240, 237, 230, 0.88);
}

body.light .console {
  background: rgba(230, 227, 220, 0.92);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.08);
}

body.light .btn--ghost:hover {
  background: rgba(17, 18, 23, 0.06);
}

body.light .mstack__card {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

body.light .mstack__type--log {
  background: rgba(17, 18, 23, 0.05);
}

body.light .pstep.is-active {
  border-color: rgba(26, 158, 106, 0.35);
}

body.light .pstep.is-active .pstep__num {
  text-shadow: 0 0 34px rgba(26, 158, 106, 0.4);
}

body.light .step__code {
  border-color: rgba(26, 158, 106, 0.22);
}

body.light .process__chart-fill {
  box-shadow: 0 0 6px rgba(26, 158, 106, 0.5);
}

body.light .process__tip {
  box-shadow: 0 0 12px rgba(26, 158, 106, 0.7);
}