/* ============================================================
   Limsa — landing page styles
   ============================================================ */

:root {
  --navy-900: #06142a;
  --navy-800: #0b1f3a;
  --navy-700: #122c50;
  --navy-600: #1d3a63;

  --teal-500: #06b6d4;
  --teal-400: #22d3ee;
  --teal-300: #67e8f9;
  --teal-100: #cffafe;

  --green-500: #16a34a;
  --green-100: #dcfce7;
  --red-500: #dc2626;
  --red-100: #fee2e2;
  --amber-500: #d97706;
  --amber-100: #fef3c7;

  --ink-900: #0f172a;
  --ink-700: #334155;
  --ink-500: #64748b;
  --ink-300: #cbd5e1;
  --ink-200: #e2e8f0;
  --ink-100: #f1f5f9;
  --ink-50: #f8fafc;
  --white: #ffffff;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .08);
  --shadow-md: 0 6px 20px rgba(15, 23, 42, .08);
  --shadow-lg: 0 24px 60px rgba(6, 20, 42, .22);

  --font: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;

  --container: 1180px;
  --header-h: 72px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-900);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.015em;
  font-weight: 700;
}

h1 { font-size: clamp(2.1rem, 4.4vw, 3.5rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); }
h3 { font-size: 1.2rem; }

p { margin: 0; }
ul, ol { margin: 0; padding: 0; }

small { font-size: .85em; }

.container {
  width: min(100% - 2 * clamp(16px, 4vw, 40px), var(--container));
  margin-inline: auto;
}

.container-narrow { max-width: 820px; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .8rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.2;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space: nowrap;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--teal-500);
  color: var(--navy-900);
  box-shadow: 0 6px 18px rgba(6, 182, 212, .35);
}
.btn-primary:hover { background: var(--teal-400); box-shadow: 0 8px 24px rgba(6, 182, 212, .45); }

.btn-ghost {
  background: rgba(255, 255, 255, .06);
  color: var(--white);
  border-color: rgba(255, 255, 255, .28);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .5); }

.btn-lg { padding: 1rem 1.8rem; font-size: 1.05rem; }
.btn-sm { padding: .6rem 1.1rem; font-size: .92rem; }
.btn-block { width: 100%; }

/* ---------- Tags ---------- */

.tag {
  display: inline-block;
  padding: .2rem .65rem;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .01em;
  text-transform: uppercase;
}
.tag-teal { background: var(--teal-100); color: #0e7490; }
.tag-green { background: var(--green-100); color: #15803d; }

.eyebrow {
  margin: 0 0 .75rem;
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #0e7490;
}
.eyebrow-light { color: var(--teal-300); }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: rgba(6, 20, 42, .85);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  color: var(--white);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo { display: inline-flex; align-items: center; gap: .6rem; }
.logo-mark { width: 34px; height: 34px; }
.logo-text { font-weight: 800; font-size: 1.35rem; letter-spacing: -0.02em; }

.site-nav { display: flex; gap: 1.6rem; }
.site-nav a {
  font-size: .95rem;
  font-weight: 500;
  color: rgba(255, 255, 255, .78);
  transition: color .15s;
}
.site-nav a:hover { color: var(--white); }
.site-nav .nav-cta { display: none; }

.header-actions { display: flex; align-items: center; gap: .8rem; }

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .08);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform .2s, opacity .2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  color: var(--white);
  background: var(--navy-900);
  overflow: hidden;
  padding: clamp(3.5rem, 8vw, 7rem) 0 clamp(3.5rem, 7vw, 6rem);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 500px at 85% 10%, rgba(34, 211, 238, .22), transparent 60%),
    radial-gradient(700px 500px at 10% 90%, rgba(29, 58, 99, .9), transparent 65%),
    linear-gradient(180deg, var(--navy-900), var(--navy-800));
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 40%, rgba(0, 0, 0, .9), transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, rgba(0, 0, 0, .9), transparent 75%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.hero-copy .eyebrow { color: var(--teal-300); }
.hero h1 { margin-bottom: 1.25rem; }
.hero .accent {
  background: linear-gradient(90deg, var(--teal-300), var(--teal-500));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  line-height: 1.6;
  color: rgba(255, 255, 255, .82);
  max-width: 60ch;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
  margin: 2rem 0 1.75rem;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.6rem;
  list-style: none;
  font-size: .95rem;
  color: rgba(255, 255, 255, .8);
}
.hero-points li { display: flex; align-items: center; gap: .5rem; }
.hero-points li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal-400);
  box-shadow: 0 0 0 4px rgba(34, 211, 238, .18);
}

.hero-card {
  background: var(--white);
  color: var(--ink-900);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  box-shadow: var(--shadow-lg);
}

.hero-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.hero-card-title { font-weight: 700; }

.cost-list { list-style: none; }
.cost-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: .8rem 0;
  border-bottom: 1px solid var(--ink-200);
  font-size: .97rem;
}
.cost-name { color: var(--ink-700); }
.cost-value { font-weight: 700; white-space: nowrap; }
.cost-value.free { color: var(--green-500); }
.cost-row-total {
  border-bottom: 0;
  margin-top: .4rem;
  padding: 1rem;
  background: var(--ink-50);
  border-radius: var(--radius-md);
}
.cost-row-total .cost-name { color: var(--ink-900); font-weight: 600; }
.cost-row-total small { color: var(--ink-500); font-weight: 400; }
.cost-row-total .cost-value { color: #0e7490; }

.hero-card-foot {
  margin-top: 1rem;
  font-size: .9rem;
  color: var(--ink-500);
}

/* ---------- Sections ---------- */

.section { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.section-muted { background: var(--ink-50); }
.section-dark {
  background: var(--navy-800);
  color: var(--white);
}
.section-dark .eyebrow { color: var(--teal-300); }

.section-head {
  max-width: 760px;
  margin-bottom: clamp(2rem, 4vw, 3.25rem);
}
.section-sub {
  margin-top: 1rem;
  font-size: 1.08rem;
  color: var(--ink-500);
}
.section-dark .section-sub { color: rgba(255, 255, 255, .72); }

.grid {
  display: grid;
  gap: 1.25rem;
}
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ---------- Cards ---------- */

.card {
  background: var(--white);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  box-shadow: var(--shadow-sm);
}
.card h3 { margin: .9rem 0 .5rem; }
.card p { color: var(--ink-700); font-size: .98rem; }
.card-flat { box-shadow: none; }
.card-flat h3 { margin-top: 0; }

.card-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--teal-100);
  color: #0e7490;
}
.card-icon svg,
.feature-icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------- Steps ---------- */

.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  counter-reset: step;
}

.step {
  position: relative;
  display: flex;
  gap: 1.1rem;
  padding: 1.6rem;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--ink-200);
}

.step-num {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.1rem;
  background: var(--navy-800);
  color: var(--teal-300);
}

.step-body h3 { margin: .7rem 0 .5rem; }
.step-body p { color: var(--ink-700); font-size: .98rem; }

/* ---------- Features (support) ---------- */

.feature {
  padding: 1.6rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .1);
}
.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(34, 211, 238, .14);
  color: var(--teal-300);
}
.feature h3 { margin: 1rem 0 .5rem; }
.feature p { color: rgba(255, 255, 255, .74); font-size: .96rem; }

.sla-strip {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(34, 211, 238, .16), rgba(34, 211, 238, .04));
  border: 1px solid rgba(34, 211, 238, .3);
}
.sla-item { display: flex; flex-direction: column; gap: .25rem; }
.sla-value { font-size: 1.7rem; font-weight: 800; color: var(--teal-300); letter-spacing: -0.02em; }
.sla-label { font-size: .92rem; color: rgba(255, 255, 255, .8); }

/* ---------- Product ---------- */

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--ink-200);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.product-item {
  background: var(--white);
  padding: 1.5rem;
}
.product-item h3 { font-size: 1.05rem; margin-bottom: .5rem; }
.product-item p { font-size: .94rem; color: var(--ink-700); }

.product-note {
  margin-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.75rem 2rem;
  border-radius: var(--radius-lg);
  background: var(--navy-800);
  color: var(--white);
}
.product-note h3 { margin-bottom: .4rem; }
.product-note p { color: rgba(255, 255, 255, .78); font-size: .98rem; max-width: 60ch; }

/* ---------- Compare ---------- */

.compare-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--ink-200);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.compare {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
  font-size: .97rem;
}
.compare th, .compare td {
  padding: 1rem 1.25rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--ink-200);
}
.compare thead th {
  background: var(--ink-50);
  font-size: .9rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--ink-700);
}
.compare thead th small { display: block; text-transform: none; letter-spacing: 0; font-weight: 500; color: var(--ink-500); }
.compare tbody th { font-weight: 600; width: 26%; color: var(--ink-900); }
.compare tbody tr:last-child th,
.compare tbody tr:last-child td { border-bottom: 0; }
.compare td { color: var(--ink-700); }
.compare .compare-hl { background: rgba(34, 211, 238, .07); }
.compare thead .compare-hl { color: #0e7490; }

.mark {
  display: inline-block;
  margin-right: .45rem;
  padding: .12rem .55rem;
  border-radius: 6px;
  font-size: .82rem;
  font-weight: 700;
}
.mark-good { background: var(--green-100); color: #15803d; }
.mark-bad { background: var(--red-100); color: #b91c1c; }
.mark-neutral { background: var(--amber-100); color: #b45309; }

/* ---------- Calculator ---------- */

.calc {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.calc-form fieldset {
  margin: 0 0 1.25rem;
  padding: 1.4rem 1.5rem 1.1rem;
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-lg);
  background: var(--white);
}
.calc-form legend {
  padding: 0 .5rem;
  font-weight: 700;
  font-size: .95rem;
  color: var(--ink-700);
}

.field { margin-bottom: 1.1rem; }
.field:last-child { margin-bottom: 0; }
.field label {
  display: block;
  font-weight: 600;
  font-size: .95rem;
  margin-bottom: .4rem;
}
.field label small { font-weight: 400; color: var(--ink-500); }
.field-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
}
.field-row output {
  min-width: 7.5ch;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--navy-800);
}
.field-hint { margin-top: .4rem; font-size: .84rem; color: var(--ink-500); }

input[type="range"] {
  width: 100%;
  height: 6px;
  margin: .6rem 0;
  appearance: none;
  -webkit-appearance: none;
  background: linear-gradient(90deg, var(--teal-500) var(--pct, 50%), var(--ink-200) var(--pct, 50%));
  border-radius: 999px;
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--teal-500);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}
input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--teal-500);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}
input[type="range"]:focus-visible { box-shadow: 0 0 0 4px rgba(6, 182, 212, .25); }

.calc-result {
  position: sticky;
  top: calc(var(--header-h) + 1.5rem);
  padding: 1.6rem;
  border-radius: var(--radius-lg);
  background: var(--navy-800);
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

.calc-bar-group + .calc-bar-group { margin-top: 1.25rem; }
.calc-bar-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: .5rem;
  font-size: .95rem;
  color: rgba(255, 255, 255, .8);
}
.calc-bar-label strong { font-size: 1.15rem; color: var(--white); font-variant-numeric: tabular-nums; }

.calc-bar {
  display: flex;
  height: 34px;
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  background: rgba(255, 255, 255, .08);
}
.calc-bar-seg {
  display: block;
  height: 100%;
  width: 0;
  transition: width .35s ease;
}
.seg-licenses { background: #f97316; }
.seg-impl { background: #fb923c; }
.seg-renewal { background: #fbbf24; }
.seg-salary { background: #f43f5e; }
.seg-fee { background: var(--teal-400); }

.calc-legend {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.1rem;
  margin: 1.1rem 0 1.5rem;
  font-size: .84rem;
  color: rgba(255, 255, 255, .75);
}
.calc-legend li { display: flex; align-items: center; gap: .4rem; }
.calc-legend i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }

.calc-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.calc-kpi {
  padding: 1rem 1.1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
}
.calc-kpi-label {
  display: block;
  font-size: .82rem;
  color: rgba(255, 255, 255, .7);
  margin-bottom: .3rem;
}
.calc-kpi-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--teal-300);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.calc-kpi-value.negative { color: #fda4af; }
.calc-kpi-pair { display: flex; gap: 1.2rem; }
.calc-kpi-pair span { display: flex; flex-direction: column; }
.calc-kpi-pair small { font-size: .75rem; color: rgba(255, 255, 255, .6); }
.calc-kpi-pair strong { font-size: 1.05rem; font-variant-numeric: tabular-nums; }
.calc-kpi-pair .good { color: var(--teal-300); }

.calc-note {
  margin-top: 1rem;
  font-size: .86rem;
  color: rgba(255, 255, 255, .7);
}

/* ---------- FAQ ---------- */

.faq { display: grid; gap: .75rem; }

.faq-item {
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-md);
  background: var(--white);
  overflow: hidden;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.1rem 3.2rem 1.1rem 1.3rem;
  font-weight: 600;
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  position: absolute;
  right: 1.2rem;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--ink-500);
  border-bottom: 2px solid var(--ink-500);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .2s;
}
.faq-item[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq-item[open] summary { color: #0e7490; }
.faq-body { padding: 0 1.3rem 1.2rem; color: var(--ink-700); }

/* ---------- Contact ---------- */

.section-cta {
  background:
    radial-gradient(800px 400px at 90% 0%, rgba(34, 211, 238, .2), transparent 60%),
    var(--navy-900);
  color: var(--white);
}

.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.contact-copy p { color: rgba(255, 255, 255, .8); margin-top: 1rem; font-size: 1.05rem; }
.contact-points {
  list-style: none;
  margin-top: 1.5rem;
  display: grid;
  gap: .6rem;
}
.contact-points li {
  display: flex;
  gap: .7rem;
  align-items: flex-start;
  color: rgba(255, 255, 255, .88);
}
.contact-points li::before {
  content: "";
  flex: 0 0 auto;
  margin-top: .45rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--teal-400);
}

.contact-form {
  background: var(--white);
  color: var(--ink-900);
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.contact-form .field { margin-bottom: 1rem; }
.field-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.contact-form input[type="text"],
.contact-form input[type="tel"],
.contact-form input[type="email"],
.contact-form textarea {
  width: 100%;
  font: inherit;
  font-size: 1rem;
  padding: .75rem .9rem;
  border: 1.5px solid var(--ink-300);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--ink-900);
  transition: border-color .15s, box-shadow .15s;
}
.contact-form textarea { resize: vertical; min-height: 84px; }
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--teal-500);
  box-shadow: 0 0 0 4px rgba(6, 182, 212, .18);
}
.contact-form input.invalid { border-color: var(--red-500); }
.contact-form .btn { margin-top: .4rem; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.form-status { margin-top: .75rem; font-size: .92rem; min-height: 1.3em; }
.form-status.ok { color: #15803d; }
.form-status.err { color: #b91c1c; }
.form-legal { margin-top: .75rem; font-size: .8rem; color: var(--ink-500); }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--navy-900);
  color: rgba(255, 255, 255, .7);
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 2.5rem 0 1.5rem;
  font-size: .92rem;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr .8fr;
  gap: 2rem;
}
.footer-brand .logo { margin-bottom: .5rem; }
.footer-brand .logo-text { color: var(--white); }
.footer-brand p { max-width: 36ch; }
.footer-nav, .footer-contacts { display: flex; flex-direction: column; gap: .5rem; }
.footer-nav a:hover, .footer-contacts a:hover { color: var(--white); }
.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, .08);
  font-size: .8rem;
  color: rgba(255, 255, 255, .5);
}

/* ---------- Responsive ---------- */

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--navy-900);
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    padding: .5rem 0 1rem;
    display: none;
  }
  .site-nav.open { display: flex; }
  .site-nav a {
    padding: .85rem clamp(16px, 4vw, 40px);
    font-size: 1.05rem;
  }
  .site-nav .nav-cta {
    display: block;
    margin: .5rem clamp(16px, 4vw, 40px) 0;
    padding: .85rem 1.2rem;
    border-radius: 999px;
    text-align: center;
    background: var(--teal-500);
    color: var(--navy-900);
    font-weight: 600;
  }
  .nav-toggle { display: flex; }
  .header-actions .btn { display: none; }

  .hero-inner { grid-template-columns: 1fr; }
  .calc { grid-template-columns: 1fr; }
  .calc-result { position: static; }
  .contact-inner { grid-template-columns: 1fr; }
  .product-note { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .grid-3, .grid-4, .product-grid { grid-template-columns: 1fr; }
  .sla-strip { grid-template-columns: 1fr; }
  .calc-summary { grid-template-columns: 1fr; }
  .field-2 { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .btn { white-space: normal; text-align: center; max-width: 100%; }
  .hero-cta .btn { width: 100%; }
  .step { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}