/* ============================================================
   INNOVATIONWAY — Enterprise Edition
   Light-first · corporate · clean · premium
   Dark mode = adaptation of the same identity
   ============================================================ */

:root {
  --font-display: "Plus Jakarta Sans", -apple-system, sans-serif;
  --font-body: "Inter", -apple-system, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  /* light identity */
  --bg: #ffffff;
  --bg-soft: #f5f8fb;
  --bg-inset: #edf3f9;
  --card: #ffffff;
  --ink: #0e1f33;
  --text: #3b4f68;
  --muted: #5d7189;
  --faint: #768da3;

  --line: #e3eaf2;
  --line-strong: #c9d7e4;

  --brand: #0b84bd;
  --brand-hi: #29abe2;
  --brand-deep: #086a99;
  --brand-soft: #e6f4fc;
  --grad: linear-gradient(120deg, #1ca7de, #0b7dbe);
  --ok: #189a6c;

  --header-bg: rgba(255, 255, 255, 0.88);
  --hero-tint-a: #eef6fc;
  --hero-tint-b: #ffffff;

  --shadow-sm: 0 1px 2px rgba(14, 31, 51, 0.05);
  --shadow-md: 0 12px 32px -14px rgba(14, 31, 51, 0.16);
  --shadow-lg: 0 28px 64px -28px rgba(14, 31, 51, 0.26);

  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #0c1424;
  --bg-soft: #101b30;
  --bg-inset: #0f1a2d;
  --card: #131f36;

  --ink: #ecf2f9;
  --text: #b7c5d6;
  --muted: #8b9db1;
  --faint: #61748a;

  --line: #223350;
  --line-strong: #31466a;

  --brand: #45b7ea;
  --brand-hi: #5cc4f2;
  --brand-deep: #7fd2f6;
  --brand-soft: rgba(69, 183, 234, 0.12);
  --grad: linear-gradient(120deg, #2cb1e2, #1f7fd0);
  --ok: #38cf92;

  --header-bg: rgba(12, 20, 36, 0.86);
  --hero-tint-a: #12233d;
  --hero-tint-b: #0c1424;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 12px 32px -14px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 28px 64px -28px rgba(0, 0, 0, 0.6);

  color-scheme: dark;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background 0.25s ease, color 0.25s ease;
}

::selection { background: rgba(41, 171, 226, 0.25); }

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

a { text-decoration: none; color: inherit; -webkit-tap-highlight-color: transparent; }
button { -webkit-tap-highlight-color: transparent; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; }

::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: var(--line-strong); border-radius: 8px; border: 3px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover { background: var(--faint); }

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

.container { width: min(1160px, 92%); margin: 0 auto; }

section { scroll-margin-top: 96px; position: relative; }

.section { padding: clamp(76px, 9vw, 116px) 0; }
.section-flush-top { padding-top: 0; }
.section-soft { background: var(--bg-soft); border-top: 1px solid var(--line); }

.eyebrow {
  display: inline-flex; align-items: center;
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--brand);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: var(--ink);
  text-wrap: balance;
}

.brand-accent { color: var(--brand-hi); }

.section-head { max-width: 720px; margin-bottom: clamp(40px, 6vw, 60px); }
.section-head .eyebrow { margin-bottom: 18px; }
.section-head h2 { font-size: clamp(1.85rem, 3.4vw, 2.6rem); margin-bottom: 16px; }
.section-head p { color: var(--muted); font-size: 1.05rem; max-width: 620px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600; font-size: 15px; line-height: 1;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease,
              background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; flex: 0 0 17px; }
.btn-primary {
  background: var(--grad);
  color: #ffffff;
  box-shadow: 0 8px 24px -10px rgba(11, 132, 189, 0.55);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px -10px rgba(11, 132, 189, 0.6);
}
[data-theme="dark"] .btn-primary { color: #06121f; }
.btn-outline {
  border-color: var(--line-strong);
  color: var(--ink);
  background: var(--card);
}
.btn-outline:hover {
  transform: translateY(-2px);
  border-color: var(--brand);
  color: var(--brand);
}
.btn-white {
  background: #ffffff;
  color: #0e1f33;
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -12px rgba(0,0,0,.35); }
.btn-outline-light {
  border-color: rgba(255, 255, 255, 0.5);
  color: #ffffff;
}
.btn-outline-light:hover { transform: translateY(-2px); background: rgba(255,255,255,.12); }

.sr-only {
  position: absolute; 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: -64px; left: 16px; z-index: 400;
  padding: 10px 16px; background: var(--ink); color: var(--bg);
  border-radius: 8px; font-weight: 600; font-size: 14px;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 12px; }

/* ---------- header ---------- */

.site-header {
  position: sticky; top: 0; z-index: 300;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.site-header.scrolled {
  background: var(--header-bg);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  height: 76px;
}
.brand {
  display: inline-flex; align-items: center; gap: 11px;
  font-family: var(--font-display); font-weight: 800;
  font-size: 1.15rem; letter-spacing: -0.02em;
  color: var(--ink);
}
.brand img { width: 38px; height: 38px; object-fit: contain; }
.brand em { font-style: normal; color: var(--brand-hi); }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative;
  font-size: 14.5px; font-weight: 500; color: var(--muted);
  padding: 9px 14px; border-radius: 999px;
  transition: color 0.2s ease, background 0.2s ease;
}
.nav a:hover { color: var(--ink); background: var(--bg-inset); }
.nav a.active { color: var(--brand); font-weight: 600; }

.header-actions { display: flex; align-items: center; gap: 10px; }
.btn-header { padding: 11px 20px; font-size: 14px; }

.icon-btn {
  width: 42px; height: 42px; flex: 0 0 42px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line-strong); border-radius: 999px;
  background: var(--card);
  color: var(--muted);
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.icon-btn:hover { color: var(--brand); border-color: var(--brand); }
.icon-btn svg { width: 18px; height: 18px; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
html:not([data-theme]) .icon-sun { display: none; }

.menu-button { display: none; }
.menu-button svg.menu-close { display: none; }
body.menu-open .menu-button svg.menu-open { display: none; }
body.menu-open .menu-button svg.menu-close { display: block; }
body.menu-open { overflow: hidden; }

.mobile-nav {
  position: fixed; inset: 76px 0 auto 0; z-index: 290;
  background: var(--header-bg);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
  padding: 16px 4% 26px;
  display: none;
}
body.menu-open .mobile-nav { display: block; }
.mobile-nav a:not(.btn) {
  display: block;
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 600;
  padding: 14px 6px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  transition: color 0.2s ease, padding-left 0.2s ease;
}
.mobile-nav a:not(.btn):hover { color: var(--brand); padding-left: 14px; }
.mobile-nav .mobile-cta { margin-top: 20px; width: 100%; }

/* ---------- hero ---------- */

.hero {
  padding: clamp(56px, 8vw, 96px) 0 clamp(72px, 9vw, 110px);
  background:
    radial-gradient(56rem 30rem at 88% -10%, var(--brand-soft), transparent 62%),
    linear-gradient(180deg, var(--hero-tint-a), var(--hero-tint-b) 78%);
  overflow: hidden;
}

.hero-grid {
  display: grid; grid-template-columns: 1.04fr 0.96fr;
  gap: clamp(48px, 6vw, 84px);
  align-items: center;
}

.hero-copy .eyebrow { margin-bottom: 22px; }
.hero h1 {
  font-size: clamp(2.35rem, 4.6vw, 3.55rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
}
.hero-lede {
  color: var(--muted);
  font-size: clamp(1.02rem, 1.5vw, 1.13rem);
  line-height: 1.75;
  max-width: 520px;
  margin-bottom: 34px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-bottom: 34px; }

.hero-proof {
  display: flex; flex-wrap: wrap; gap: 10px 24px;
}
.hero-proof span {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13.5px; font-weight: 500; color: var(--muted);
}
.hero-proof svg { width: 15px; height: 15px; color: var(--ok); flex: 0 0 15px; }

/* hero panel — "o que cuidamos" */

.hero-visual { position: relative; }

.hero-panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.hero-panel-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 17px 24px;
  border-bottom: 1px solid var(--line);
}
.hero-panel-head strong {
  font-family: var(--font-display); font-weight: 700;
  font-size: 15px; color: var(--ink);
}
.hero-panel-tag {
  font-family: var(--font-mono); font-size: 10px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--faint);
}
.care-list { padding: 10px 24px 16px; }
.care-item {
  display: grid; grid-template-columns: 42px 1fr 20px;
  align-items: center; gap: 15px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}
.care-item:last-child { border-bottom: 0; }
.care-icon {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand);
}
.care-icon svg { width: 19px; height: 19px; }
.care-item strong {
  display: block;
  font-size: 15px; font-weight: 600; color: var(--ink);
}
.care-item small {
  display: block;
  font-size: 13px; color: var(--muted); margin-top: 1px;
}
.care-check { color: var(--ok); }
.care-check svg { width: 17px; height: 17px; }

.hero-panel-foot {
  display: flex; flex-wrap: wrap; gap: 8px 20px;
  padding: 15px 24px;
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
}
.hero-panel-foot span {
  display: inline-flex; align-items: center;
  font-size: 12.5px; font-weight: 500; color: var(--muted);
}

.hero-float {
  position: absolute;
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 18px;
  box-shadow: var(--shadow-md);
}
.hero-float strong {
  font-family: var(--font-display);
  font-size: 1.15rem; font-weight: 800; color: var(--ink); line-height: 1.1;
}
.hero-float small {
  display: block;
  font-size: 11.5px; color: var(--muted); line-height: 1.3;
}
.hero-float-badge { left: -26px; bottom: -24px; }
.hero-float-icon {
  width: 38px; height: 38px; flex: 0 0 38px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: var(--brand-soft);
  color: var(--brand);
}
.hero-float-icon svg { width: 18px; height: 18px; }

@media (max-width: 1080px) {
  .hero-float-badge { left: 12px; bottom: -22px; }
}
@media (max-width: 480px) {
  .hero-float { right: 12px; }
  .hero-float-badge { left: 8px; bottom: -20px; padding: 10px 14px; }
}

/* ---------- services ---------- */

.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px 26px;
  transition: transform 0.25s cubic-bezier(0.2, 0.7, 0.2, 1),
              box-shadow 0.25s ease, border-color 0.25s ease;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--line-strong);
}
.service-icon {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 13px;
  background: var(--brand-soft);
  color: var(--brand);
  margin-bottom: 20px;
}
.service-icon svg { width: 21px; height: 21px; }
.service-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 9px; }
.service-card p { color: var(--muted); font-size: 14.5px; line-height: 1.68; }
.service-meta {
  display: flex; flex-wrap: wrap; gap: 7px;
  margin-top: 18px;
}
.service-meta span {
  font-size: 11.5px; font-weight: 600; color: var(--muted);
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-soft);
}

/* ---------- process ---------- */

.process-steps {
  --num-size: 44px;
  --steps-gap: 32px;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: var(--steps-gap);
}
.step { position: relative; }
/* connector: runs from this step's number center to the next number center,
   passing behind the circles (masked by their bg halo) */
.step:not(:last-child)::before {
  content: "";
  position: absolute;
  top: calc(var(--num-size) / 2 - 1px);
  left: calc(var(--num-size) / 2);
  width: calc(100% + var(--steps-gap));
  height: 2px;
  background: var(--line);
}
.step-num {
  position: relative; z-index: 1;
  width: var(--num-size); height: var(--num-size);
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--card);
  border: 2px solid var(--brand-hi);
  color: var(--brand);
  font-family: var(--font-mono); font-size: 13px; font-weight: 600;
  margin-bottom: 18px;
  box-shadow: 0 0 0 5px var(--bg);
}
.step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 14.5px; max-width: 250px; }

/* ---------- about ---------- */

.about-grid {
  display: grid; grid-template-columns: 1fr 0.94fr;
  gap: clamp(44px, 6vw, 80px);
  align-items: start;
}
.about-intro h2 { font-size: clamp(1.85rem, 3.4vw, 2.55rem); margin-bottom: 18px; }
.about-intro > p { color: var(--muted); margin-bottom: 34px; max-width: 480px; }

.about-stats {
  display: flex; gap: clamp(32px, 5vw, 56px);
  border-top: 1px solid var(--line-strong);
  padding-top: 24px;
}
.about-stats strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.9rem; font-weight: 800; letter-spacing: -0.02em;
  color: var(--ink); line-height: 1.15;
}
.about-stats small {
  font-size: 13px; color: var(--muted);
}

.why-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: clamp(26px, 3vw, 36px);
  box-shadow: var(--shadow-sm);
}
.why-card h3 { font-size: 1.15rem; margin-bottom: 6px; }
.why-card > p { color: var(--muted); font-size: 14px; margin-bottom: 22px; }
.check-list { display: grid; gap: 15px; }
.check-list li {
  display: flex; align-items: flex-start; gap: 12px;
  font-weight: 500; font-size: 14.5px; color: var(--text);
}
.check-list svg {
  flex: 0 0 19px; width: 19px; height: 19px; margin-top: 2px;
  color: var(--ok);
}

/* ---------- stack ---------- */

.stack-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: clamp(28px, 4vw, 48px);
}
.stack-col header {
  display: flex; align-items: flex-end; justify-content: space-between;
  min-height: 42px;
  margin-bottom: 16px; padding-bottom: 12px;
  border-bottom: 2px solid var(--brand-hi);
}
.stack-col h3 {
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink);
}
.stack-col header span { font-size: 12px; color: var(--faint); }
.stack-col ul { display: grid; gap: 2px; }
.stack-col li span {
  display: block;
  padding: 6px 0;
  font-size: 14.5px; color: var(--muted);
  transition: color 0.2s ease, padding-left 0.2s ease;
}
.stack-col li span:hover { color: var(--brand); padding-left: 6px; }

/* ---------- CTA band ---------- */

.cta-band {
  background: var(--grad);
  border-radius: 26px;
  text-align: center;
  padding: clamp(52px, 7vw, 84px) clamp(24px, 5vw, 64px);
  color: #ffffff;
  box-shadow: 0 24px 60px -24px rgba(11, 132, 189, 0.55);
}
.cta-band .eyebrow { color: rgba(255, 255, 255, 0.9); }
.cta-band h2 {
  color: #ffffff;
  font-size: clamp(1.75rem, 3.6vw, 2.6rem);
  max-width: 640px;
  margin: 18px auto 14px;
}
.cta-band p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 520px;
  margin: 0 auto 32px;
  font-size: 1.03rem;
}
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 13px; }

/* ---------- contact ---------- */

.contact-grid {
  display: grid; grid-template-columns: 0.92fr 1.08fr;
  gap: clamp(44px, 6vw, 84px);
  align-items: start;
}
.contact-intro h2 { font-size: clamp(1.85rem, 3.4vw, 2.55rem); margin-bottom: 16px; }
.contact-intro > p { color: var(--muted); margin-bottom: 32px; max-width: 460px; }

.channel {
  display: grid; grid-template-columns: 46px 1fr auto;
  align-items: center; gap: 17px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 18px;
  margin-bottom: 12px;
  transition: border-color 0.22s ease, transform 0.22s ease, box-shadow 0.22s ease;
}
.channel:hover {
  border-color: var(--brand-hi);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}
.channel-icon {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand);
}
.channel-icon svg { width: 20px; height: 20px; }
.channel small {
  display: block;
  font-family: var(--font-mono); font-size: 10px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 2px;
}
.channel strong { font-size: 15px; font-weight: 600; color: var(--ink); }
.channel-arrow { color: var(--faint); transition: color 0.22s ease, transform 0.22s ease; }
.channel-arrow svg { width: 17px; height: 17px; }
.channel:hover .channel-arrow { color: var(--brand); transform: translate(3px, -3px); }

.form-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: clamp(26px, 4vw, 40px);
  box-shadow: var(--shadow-md);
}
.form-head { margin-bottom: 24px; }
.form-head h3 { font-size: 1.3rem; margin-bottom: 6px; }
.form-head p { color: var(--muted); font-size: 14px; }
.field { display: grid; gap: 7px; margin-bottom: 18px; }
.field label {
  font-family: var(--font-mono); font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--faint);
}
input, textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  padding: 12px 15px;
  font: inherit; font-size: 15px; color: var(--ink);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
input::placeholder, textarea::placeholder { color: var(--faint); }
input:focus, textarea:focus {
  outline: none;
  border-color: var(--brand-hi);
  box-shadow: 0 0 0 3px rgba(41, 171, 226, 0.18);
}
textarea { min-height: 112px; resize: vertical; }
.field-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note {
  display: flex; align-items: center; gap: 9px;
  font-size: 13px; color: var(--muted);
  margin: 4px 0 20px;
}
.form-note svg { width: 14px; height: 14px; color: var(--ok); flex: 0 0 14px; }
.form-card .btn { width: 100%; }

/* ---------- footer ---------- */

.site-footer { border-top: 1px solid var(--line); background: var(--card); }
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: clamp(32px, 5vw, 60px);
  padding: clamp(44px, 6vw, 64px) 0 48px;
}
.footer-brand p {
  color: var(--muted); font-size: 14.5px;
  margin: 16px 0 20px; max-width: 300px;
}
.footer-status {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 12px; font-weight: 600;
  color: var(--ok);
  padding: 8px 14px;
  border: 1px solid rgba(56, 168, 120, 0.35);
  border-radius: 999px;
  background: rgba(56, 168, 120, 0.08);
  border-color: color-mix(in srgb, var(--ok) 35%, transparent);
  background: color-mix(in srgb, var(--ok) 8%, transparent);
}
.footer-status i {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ok);
}
.footer-col h4 {
  font-family: var(--font-mono); font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 18px;
}
.footer-col ul li { margin-bottom: 11px; }
.footer-col a, .footer-col span {
  font-size: 14.5px; color: var(--muted);
  transition: color 0.2s ease;
}
.footer-col a:hover { color: var(--brand); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 10px;
  border-top: 1px solid var(--line);
  padding: 22px 0;
  font-size: 13px; color: var(--faint);
}

/* ---------- whatsapp float ---------- */

.whatsapp-float {
  position: fixed; right: 24px; bottom: 24px; z-index: 260;
  width: 56px; height: 56px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  background: #1faf63;
  box-shadow: 0 14px 30px rgba(31, 175, 99, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 20px 40px rgba(31, 175, 99, 0.48);
}
.whatsapp-icon { width: 27px; height: 27px; fill: currentColor; }

/* ---------- reveal (subtle) ---------- */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */

@media (max-width: 1020px) {
  .nav { display: none; }
  .menu-button { display: inline-flex; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 620px; margin-inline: auto; width: 100%; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; gap: 40px 28px; }
  .step::before { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .stack-grid { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .header-inner { height: 68px; }
  .mobile-nav { inset: 68px 0 auto 0; }
  section { scroll-margin-top: 82px; }
  .btn-header { display: none; }
  .hero-actions .btn { width: 100%; }
  .services-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .step p { max-width: none; }
  .about-stats { flex-wrap: wrap; gap: 24px 40px; }
  .stack-grid { grid-template-columns: 1fr; }
  .field-duo { grid-template-columns: 1fr; }
  input, textarea { font-size: 16px; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
  .whatsapp-float { right: 16px; bottom: 16px; width: 52px; height: 52px; }
}

@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;
  }
  .reveal { opacity: 1; transform: none; }
}