/* ============================================================
   Orqia Hub — identidade visual
   Paleta derivada da logo: verde-floresta + verde-orca + neutros
   ============================================================ */

:root {
  --deep:      #0A3F30;   /* verde escuro da marca */
  --deep-ink:  #06281F;   /* verde quase-preto (seções escuras) */
  --viv:       #17B85C;   /* verde vivo da orca (acento) */
  --viv-soft:  #2FD277;   /* realce / hover */
  --viv-glow:  rgba(23, 184, 92, .16);

  --ink:       #12201C;   /* texto principal (preto esverdeado) */
  --muted:     #59685F;   /* texto secundário */
  --paper:     #FBFCFB;   /* fundo geral */
  --surface:   #FFFFFF;   /* cartões / header */
  --mist:      #EEF3F0;   /* faixa clara alternada */
  --line:      #DFE7E2;   /* bordas hairline */
  --line-soft: #EAF0EC;

  --radius:    14px;
  --radius-sm: 10px;
  --wrap:      1160px;
  --shadow-sm: 0 1px 2px rgba(10, 63, 48, .05), 0 8px 24px rgba(10, 63, 48, .06);
  --shadow-md: 0 4px 12px rgba(10, 63, 48, .08), 0 24px 60px rgba(10, 63, 48, .12);

  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 96px; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: "Epilogue", "Inter", system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-wrap: balance;
  margin: 0;
}

::selection { background: var(--viv); color: #fff; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--deep);
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  z-index: 200;
}
.skip-link:focus { left: 12px; }

:focus-visible {
  outline: 2px solid var(--viv);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Layout ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 24px;
}

.section { padding-block: clamp(64px, 10vw, 118px); }
.section-alt { background: var(--mist); }
.section-deep { background: var(--deep-ink); color: #E9F1EC; }

.eyebrow {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .74rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--deep);
  margin: 0 0 16px;
}
.eyebrow-light { color: var(--viv-soft); }

.section-head {
  max-width: 640px;
  margin-bottom: clamp(40px, 6vw, 64px);
}
.section-head h2 { font-size: clamp(1.85rem, 3.4vw, 2.6rem); }
.section-sub { color: var(--muted); margin: 16px 0 0; font-size: 1.05rem; }
.section-deep .section-sub { color: #AFC4BA; }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--deep);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: var(--radius-sm);
  font-family: "Inter", sans-serif;
  font-weight: 600;
  font-size: .96rem;
  line-height: 1;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .18s var(--ease), background-color .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
}
.btn-primary {
  background: var(--deep);
  color: #fff;
  box-shadow: 0 8px 20px rgba(10, 63, 48, .18);
}
.btn-primary:hover {
  background: var(--viv);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px var(--viv-glow);
}
.btn-ghost {
  background: transparent;
  color: var(--deep);
  border-color: var(--line);
}
.btn-ghost:hover {
  border-color: var(--deep);
  transform: translateY(-2px);
}
.section-deep .btn-ghost { color: #E9F1EC; border-color: rgba(255,255,255,.28); }
.section-deep .btn-ghost:hover { border-color: var(--viv-soft); }
.btn-lg { padding: 16px 30px; font-size: 1.02rem; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: #FFFFFF;
  border-bottom: 1px solid var(--line-soft);
  transition: border-color .25s, box-shadow .25s;
}
.site-header.scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 6px 24px rgba(10, 63, 48, .07);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 86px;
}
.brand { display: inline-flex; align-items: center; }
.brand img { height: 58px; width: auto; }

.nav { display: flex; align-items: center; gap: 34px; }
.nav ul {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav ul a {
  position: relative;
  font-weight: 500;
  font-size: .95rem;
  color: var(--ink);
  padding: 6px 0;
  transition: color .18s;
}
.nav ul a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--viv);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .22s var(--ease);
}
.nav ul a:hover { color: var(--deep); }
.nav ul a:hover::after { transform: scaleX(1); }

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .25s var(--ease), opacity .2s;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  padding-top: clamp(124px, 16vh, 168px);
  padding-bottom: clamp(48px, 6vw, 78px);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -220px; right: -160px;
  width: 620px; height: 620px;
  background: radial-gradient(circle at center, var(--viv-glow), transparent 68%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(36px, 6vw, 76px);
  align-items: center;
}
.hero-copy h1 {
  font-size: clamp(2.3rem, 4.6vw, 3.45rem);
  font-weight: 800;
  letter-spacing: -0.032em;
  margin-bottom: 22px;
}
.hero-copy .lead {
  font-size: clamp(1.05rem, 1.7vw, 1.22rem);
  color: var(--muted);
  max-width: 46ch;
  margin: 0 0 34px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* Hero visual — console de fluxo */
.hero-visual { position: relative; }
.console {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.console-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(var(--surface), #F7FAF8);
}
.console-bar span {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--line);
}
.console-bar span:first-child { background: var(--viv); }
.console-bar p {
  margin: 0 0 0 8px;
  font-family: "IBM Plex Mono", monospace;
  font-size: .72rem;
  color: var(--muted);
  letter-spacing: .02em;
}
.console-body { padding: 26px 24px 24px; display: grid; gap: 18px; }

.flow-lane { display: flex; align-items: center; gap: 12px; }
.chip {
  padding: 11px 16px;
  border-radius: 11px;
  background: var(--mist);
  border: 1px solid var(--line);
  font-size: .86rem;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}
.chip-in { background: #fff; }
.chip-out { background: var(--deep); color: #fff; border-color: var(--deep); }
.flow-arrow {
  flex: 1;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px);
  position: relative;
}
.flow-arrow::after {
  content: "";
  position: absolute;
  top: 50%; left: 0;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--viv);
  transform: translateY(-50%);
  animation: travel 3.4s var(--ease) infinite;
}

.ai-core {
  position: relative;
  text-align: center;
  padding: 22px 16px 18px;
  border-radius: 14px;
  background: radial-gradient(circle at 50% 0%, rgba(23,184,92,.10), transparent 70%), var(--surface);
  border: 1px solid var(--line);
}
.ai-core p {
  margin: 12px 0 2px;
  font-weight: 700;
  font-family: "Epilogue", sans-serif;
  letter-spacing: -0.01em;
}
.ai-core small { color: var(--muted); font-size: .8rem; }
.ai-ring, .ai-dot {
  margin: 0 auto;
  border-radius: 50%;
}
.ai-ring {
  width: 46px; height: 46px;
  border: 2px solid var(--viv);
  position: relative;
}
.ai-ring::before {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 2px solid var(--viv-glow);
  animation: sonar 2.6s ease-out infinite;
}
.ai-dot {
  width: 14px; height: 14px;
  background: var(--viv);
  margin-top: -30px;
  box-shadow: 0 0 0 6px var(--viv-glow);
  animation: breathe 2.6s ease-in-out infinite;
}
.console-meta {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: "IBM Plex Mono", monospace;
  font-size: .74rem;
  color: var(--muted);
  border-top: 1px dashed var(--line);
  margin-top: 2px;
  padding-top: 16px;
}
.pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--viv);
  box-shadow: 0 0 0 0 var(--viv);
  animation: pulse 2s infinite;
}

.float-chip {
  position: absolute;
  padding: 9px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: .78rem;
  font-weight: 600;
  font-family: "IBM Plex Mono", monospace;
  color: var(--deep);
  box-shadow: var(--shadow-sm);
}
.float-a { top: 6%; left: -34px; animation: float 6s ease-in-out infinite; }
.float-b { bottom: 20%; left: -46px; animation: float 7s ease-in-out infinite .8s; }
.float-c { bottom: 2%; right: -28px; animation: float 6.5s ease-in-out infinite .4s; }

/* ---------- Cards (O que fazemos) ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(248px, 1fr));
  gap: 22px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.card-icon {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--mist);
  color: var(--deep);
  margin-bottom: 20px;
  transition: background-color .22s, color .22s;
}
.card:hover .card-icon { background: var(--deep); color: #fff; }
.card-icon svg { width: 23px; height: 23px; }
.card h3 { font-size: 1.16rem; margin-bottom: 10px; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }

/* ---------- Pipeline (Automação de atendimento) ---------- */
.pipeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr) ;
  gap: 0;
  align-items: start;
}
.pipeline .node {
  text-align: center;
  padding: 0 14px;
}
.pipeline .link {
  display: none;
}
.node-ic {
  width: 58px; height: 58px;
  margin: 0 auto 16px;
  display: grid; place-items: center;
  border-radius: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--deep);
  box-shadow: var(--shadow-sm);
}
.node-ic svg { width: 26px; height: 26px; }
.node-accent .node-ic {
  background: var(--deep);
  border-color: var(--deep);
  color: var(--viv-soft);
}
.node-label { font-weight: 700; font-family: "Epilogue", sans-serif; margin: 0 0 6px; letter-spacing: -0.01em; }
.node-desc { margin: 0; font-size: .86rem; color: var(--muted); }

.pipeline {
  position: relative;
  padding-top: 6px;
}
.pipeline::before {
  content: "";
  position: absolute;
  top: 35px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--line) 0 7px, transparent 7px 14px);
  z-index: 0;
}
.pipeline::after {
  content: "";
  position: absolute;
  top: 32px;
  left: 10%;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--viv);
  box-shadow: 0 0 0 5px var(--viv-glow);
  animation: pipeline-dot 5s linear infinite;
}
.pipeline .node { position: relative; z-index: 1; }

.mini-points {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
  margin-top: clamp(48px, 7vw, 72px);
  padding-top: 34px;
  border-top: 1px solid var(--line);
}
.mini-points div { font-size: .95rem; color: var(--muted); }
.mini-points strong { display: block; color: var(--ink); font-weight: 600; margin-bottom: 2px; }

/* ---------- Steps (Como trabalhamos) ---------- */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 760px;
  counter-reset: none;
}
.step {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 24px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
}
.step:last-child { border-bottom: 1px solid var(--line); }
.step-num {
  font-family: "IBM Plex Mono", monospace;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--viv);
  letter-spacing: .04em;
}
.step h3 { font-size: 1.2rem; margin-bottom: 6px; }
.step p { margin: 0; color: var(--muted); font-size: .96rem; }

/* ---------- Sobre ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(36px, 6vw, 72px);
  align-items: start;
}
.about-copy h2 { font-size: clamp(1.75rem, 3.2vw, 2.4rem); margin-bottom: 22px; color: #F3F8F5; }
.about-copy p { color: #B9CCC3; margin: 0 0 16px; }
.about-copy p:first-of-type { color: #E4EEE9; font-size: 1.06rem; }
.about-list {
  list-style: none;
  margin: 0;
  padding: 26px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
}
.about-list li {
  padding: 15px 0;
  border-bottom: 1px solid rgba(255,255,255,.09);
  font-size: .96rem;
  color: #E4EEE9;
}
.about-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.about-list li:first-child { padding-top: 0; }
.about-list span {
  display: block;
  font-family: "IBM Plex Mono", monospace;
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--viv-soft);
  margin-bottom: 4px;
}

/* ---------- Diferencial ---------- */
.diff-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.diff {
  flex: 1 1 300px;
  background: var(--paper);
  padding: 30px 28px;
  transition: background-color .22s var(--ease);
}
.diff:hover { background: var(--surface); }
.diff h3 {
  font-size: 1.08rem;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.diff h3::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 2px;
  background: var(--viv);
  flex: none;
}
.diff p { margin: 0; color: var(--muted); font-size: .93rem; }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--deep);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px circle at 12% 20%, rgba(47,210,119,.18), transparent 60%),
    radial-gradient(500px circle at 88% 90%, rgba(47,210,119,.12), transparent 60%);
}
.cta-inner {
  position: relative;
  text-align: center;
  padding-block: clamp(60px, 9vw, 100px);
  max-width: 640px;
}
.cta-inner { margin-inline: auto; }
.cta-inner h2 { font-size: clamp(1.8rem, 3.6vw, 2.7rem); margin-bottom: 16px; }
.cta-inner p { color: #C7DBD0; margin: 0 0 30px; font-size: 1.08rem; }
.cta-inner .btn-primary { background: var(--viv); color: #06281F; }
.cta-inner .btn-primary:hover { background: var(--viv-soft); }

/* ---------- Contato ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(36px, 6vw, 72px);
  align-items: start;
}
.contact-copy h2 { font-size: clamp(1.75rem, 3.2vw, 2.4rem); }
.contact-list {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 6px;
}
.contact-list li {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.contact-list li:last-child { border-bottom: 0; }
.c-ic {
  flex: none;
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 11px;
  background: var(--mist);
  color: var(--deep);
}
.c-ic svg { width: 20px; height: 20px; }
.c-label {
  margin: 0 0 2px;
  font-family: "IBM Plex Mono", monospace;
  font-size: .68rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--muted);
}
.contact-list a { font-weight: 600; color: var(--deep); }
.contact-list a:hover { color: var(--viv); }
.contact-list div p:last-child { margin: 0; }

.contact-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 104px;
}
.contact-card h3 { font-size: 1.25rem; margin-bottom: 8px; }
.contact-card > p { color: var(--muted); font-size: .94rem; margin: 0 0 22px; }
.contact-card .btn { margin-bottom: 12px; }
.contact-card .btn:last-child { margin-bottom: 0; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--deep-ink);
  color: #B9CCC3;
  padding-top: clamp(56px, 8vw, 84px);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.3fr;
  gap: 44px;
  padding-bottom: 48px;
}
.footer-logo {
  display: inline-block;
  background: #fff;
  padding: 14px 18px;
  border-radius: 12px;
  margin-bottom: 18px;
}
.footer-logo img { height: 54px; width: auto; }
.footer-brand p { margin: 0; font-size: .92rem; max-width: 42ch; }
.footer-col h4 {
  font-family: "IBM Plex Mono", monospace;
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--viv-soft);
  margin: 0 0 16px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.footer-col a:hover { color: #fff; }
.footer-legal {
  padding-block: 22px;
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: .82rem;
  line-height: 1.6;
  color: #90A69B;
}
.footer-legal p { margin: 0; }
.footer-legal p + p { margin-top: 4px; }
.footer-legal span {
  color: #C6D6CD;
  font-weight: 500;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding-block: 22px;
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: .82rem;
  color: #7E9389;
}
.footer-bottom p { margin: 0; }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }

/* ---------- Keyframes ---------- */
@keyframes travel {
  0% { left: 0; opacity: 0; }
  15% { opacity: 1; }
  85% { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}
@keyframes pipeline-dot {
  0% { left: 10%; opacity: 0; }
  8% { opacity: 1; }
  92% { opacity: 1; }
  100% { left: calc(90% - 8px); opacity: 0; }
}
@keyframes sonar {
  0% { transform: scale(.7); opacity: .9; }
  100% { transform: scale(1.7); opacity: 0; }
}
@keyframes breathe {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 6px var(--viv-glow); }
  50% { transform: scale(1.14); box-shadow: 0 0 0 10px rgba(23,184,92,.06); }
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(23,184,92,.5); }
  70% { box-shadow: 0 0 0 9px rgba(23,184,92,0); }
  100% { box-shadow: 0 0 0 0 rgba(23,184,92,0); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ---------- Responsivo ---------- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 460px; margin-inline: auto; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .contact-card { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }

  .pipeline { grid-template-columns: 1fr; gap: 8px; text-align: left; }
  .pipeline::before, .pipeline::after { display: none; }
  .pipeline .node {
    display: grid;
    grid-template-columns: 58px 1fr;
    column-gap: 16px;
    row-gap: 2px;
    align-items: start;
    text-align: left;
    padding: 16px 0;
    border-top: 1px solid var(--line);
  }
  .pipeline .node:last-child { border-bottom: 1px solid var(--line); }
  .node-ic { margin: 0; grid-row: 1 / span 2; }
  .pipeline .node-label,
  .pipeline .node-desc { grid-column: 2; }
  .node-label { margin-top: 4px; }
}

@media (max-width: 720px) {
  .menu-toggle { display: flex; }
  .nav {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    padding: 12px 24px 22px;
    clip-path: inset(0 0 100% 0);
    transition: clip-path .32s var(--ease);
  }
  .nav.open { clip-path: inset(0 0 0 0); }
  .nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }
  .nav ul li { border-bottom: 1px solid var(--line-soft); }
  .nav ul a { display: block; padding: 15px 0; font-size: 1rem; }
  .nav ul a::after { display: none; }
  .nav-cta { margin-top: 16px; width: 100%; }

  .brand img { height: 42px; }
  .header-inner { min-height: 64px; }
  .step { grid-template-columns: 52px 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}