/* AMBRAX — SMB fleet safety brand
   Visual identity: navy depth + amber accent (warning-light symbolism)
   Single-source stylesheet for the whole site.
*/

:root {
  --navy: #0a1929;
  --navy-2: #122a40;
  --navy-3: #1a3a5c;
  --ink: #0b1a2c;
  --text: #0b1a2c;
  --text-muted: #5c6b7a;
  --line: #e6ebf1;
  --bg-soft: #f5f8fb;

  /* AMBRAX signature amber */
  --amber: #ffb020;
  --amber-hi: #ffc352;
  --amber-deep: #cf8500;

  --accent: #2e8eff;
  --accent-2: #4cc2ff;
  --green: #00b67a;
  --red: #e23b3b;

  --max-w: 1240px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue",
               "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--amber-deep); text-decoration: none; }
a:hover { color: var(--amber); }

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

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- NAV ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 25, 41, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 32px;
  max-width: var(--max-w);
  margin: 0 auto;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 4px;
  color: #fff;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: 1.5px;
}
.brand-logo {
  height: 22px;
  width: auto;
  display: inline-block;
  vertical-align: middle;
}
/* SMB sub-brand tag — small box visually subordinating SMB to STREAMAX */
.smb-tag {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  padding: 4px 8px 3px;
  border: 1.5px solid var(--amber);
  background: rgba(255, 176, 32, 0.15);
  color: var(--amber);
  border-radius: 3px;
  vertical-align: middle;
  margin-left: 8px;
  line-height: 1;
  font-family: inherit;
}
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a {
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.2px;
  transition: color 0.15s;
}
.nav-links a:hover { color: #fff; }
.nav-cta {
  background: var(--amber);
  color: var(--ink) !important;
  padding: 10px 20px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 14px;
}
.nav-cta:hover { background: var(--amber-hi); color: var(--ink) !important; }

/* ---------- HERO ---------- */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-3) 100%);
  color: #fff;
  padding: 110px 0 90px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(255,176,32,0.10) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(46,142,255,0.08) 0%, transparent 50%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; }
.hero h1 {
  font-size: 60px;
  line-height: 1.05;
  letter-spacing: -1.5px;
  font-weight: 800;
  margin-bottom: 24px;
  max-width: 920px;
}
.hero h1 .accent { color: var(--amber); }
.hero-sub {
  font-size: 22px;
  line-height: 1.5;
  color: rgba(255,255,255,0.85);
  margin-bottom: 40px;
  max-width: 760px;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin: 48px 0;
  max-width: 880px;
}
.hero-stat .n {
  display: block;
  font-size: 38px;
  font-weight: 800;
  color: var(--amber);
  letter-spacing: -0.5px;
}
.hero-stat .l {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-top: 6px;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary, .btn-secondary {
  display: inline-block;
  padding: 16px 32px;
  font-size: 16px;
  font-weight: 700;
  border-radius: 4px;
  transition: all 0.15s;
  cursor: pointer;
  border: none;
  letter-spacing: 0.3px;
}
.btn-primary {
  background: var(--amber);
  color: var(--ink);
  box-shadow: 0 4px 20px rgba(255,176,32,0.35);
}
.btn-primary:hover {
  background: var(--amber-hi);
  color: var(--ink);
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(255,176,32,0.5);
}
.btn-secondary {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.4);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-color: #fff;
}

/* ---------- SECTIONS ---------- */
.section { padding: 100px 0; }
.section-soft { background: var(--bg-soft); }
.section-dark { background: var(--navy); color: #fff; }

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--amber-deep);
  margin-bottom: 16px;
}
.section-dark .eyebrow { color: var(--amber); }
.section h2 {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
  max-width: 820px;
}
.section .lede {
  font-size: 19px;
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 740px;
  margin-bottom: 56px;
}
.section-dark .lede { color: rgba(255,255,255,0.75); }

/* ---------- WHY CARDS ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.why-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 32px 28px;
  position: relative;
}
.why-card::before {
  content: '';
  position: absolute;
  top: 0; left: 28px; right: 28px;
  height: 3px;
  background: var(--amber);
  border-radius: 2px;
}
.why-card .num {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--amber-deep);
  margin-bottom: 12px;
  letter-spacing: 1.2px;
}
.why-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.3;
}
.why-card p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.6;
}

/* ---------- PACK GRID ---------- */
.pack-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.pack-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
  color: var(--text);
}
.pack-card:hover {
  border-color: var(--amber);
  box-shadow: 0 12px 32px rgba(255,176,32,0.15);
  transform: translateY(-2px);
}
.pack-card .pack-num {
  position: absolute;
  top: 24px;
  right: 28px;
  font-size: 58px;
  font-weight: 800;
  color: rgba(255,176,32,0.15);
  line-height: 1;
  pointer-events: none;
}
.pack-card h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.2;
}
.pack-card .pack-pitch {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 24px;
  min-height: 48px;
  line-height: 1.5;
}
.pack-card .pack-kill {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.3px;
  text-transform: uppercase;
  color: var(--amber-deep);
  margin-bottom: 8px;
}
.pack-card .pack-kill-desc {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 24px;
  line-height: 1.4;
  color: var(--text);
}
.pack-card .pack-price {
  border-top: 1px solid var(--line);
  padding-top: 20px;
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}
.pack-card .pack-price .from {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  display: block;
  margin-bottom: 4px;
}
.pack-card .pack-price .amount {
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
}
.pack-card .pack-price .unit {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}
.pack-card .pack-link {
  font-size: 14px;
  font-weight: 700;
  color: var(--amber-deep);
  align-self: flex-end;
}
.pack-card .pack-link::after {
  content: ' →';
  transition: transform 0.15s;
  display: inline-block;
}
.pack-card:hover .pack-link::after { transform: translateX(4px); }

/* ---------- STEPS ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}
.step .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--amber);
  color: var(--ink);
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 20px;
  box-shadow: 0 0 24px rgba(255,176,32,0.4);
}
.step h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}
.step p {
  font-size: 16px;
  color: rgba(255,255,255,0.75);
  line-height: 1.6;
}

/* ---------- PROOF BAR ---------- */
.proof-bar {
  padding: 60px 0;
  background: var(--navy);
  color: #fff;
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.proof-stat .n {
  font-size: 44px;
  font-weight: 800;
  color: var(--amber);
  display: block;
  letter-spacing: -1px;
}
.proof-stat .l {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-top: 8px;
  display: block;
}

/* ---------- ROI HERO BLOCK ---------- */
.roi-block {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-3) 100%);
  color: #fff;
  border-radius: 12px;
  padding: 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.roi-block h2 { color: #fff; }
.roi-block .lede { color: rgba(255,255,255,0.85); }
.roi-display {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  padding: 32px;
}
.roi-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.roi-row:last-child { border-bottom: none; }
.roi-row.total {
  border-top: 2px solid var(--amber);
  margin-top: 8px;
  padding-top: 16px;
  font-size: 18px;
  font-weight: 700;
}
.roi-row .v { color: var(--green); font-weight: 700; }
.roi-row.total .v { color: var(--amber); font-size: 24px; }

/* ---------- FOOTER ---------- */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.85);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer h4 {
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
}
.footer-brand .brand-name {
  color: #fff;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.footer-brand .brand-name .brand-logo {
  height: 28px;
}
.footer-brand .brand-name .smb-tag {
  font-size: 13px;
  padding: 5px 10px 4px;
  margin-left: 10px;
}
.footer-brand .tag {
  font-size: 12px;
  color: var(--amber);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
  display: block;
}
.footer-brand p {
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  line-height: 1.6;
  max-width: 380px;
}
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 10px; }
.footer ul a { color: rgba(255,255,255,0.75); font-size: 14px; }
.footer ul a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom .credit { font-style: italic; color: rgba(255,255,255,0.5); }

/* ---------- PACK DETAIL PAGE ---------- */
.pack-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-3) 100%);
  color: #fff;
  padding: 80px 0 70px;
  position: relative;
}
.pack-hero .crumb {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 16px;
}
.pack-hero .crumb a { color: rgba(255,255,255,0.75); }
.pack-hero h1 {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.1;
  letter-spacing: -0.5px;
}
.pack-hero .pack-tagline {
  font-size: 20px;
  color: rgba(255,255,255,0.85);
  max-width: 760px;
  line-height: 1.5;
}
.pack-hero .pack-meta {
  display: flex;
  gap: 36px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.pack-hero .pack-meta div .l {
  font-size: 12px;
  color: rgba(255,255,255,0.65);
  text-transform: uppercase;
  letter-spacing: 1px;
  display: block;
  margin-bottom: 4px;
}
.pack-hero .pack-meta div .v {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
}
.pack-hero .pack-meta div .v.accent { color: var(--amber); }

.pack-body { padding: 80px 0; }
.pack-section { margin-bottom: 72px; }
.pack-section:last-child { margin-bottom: 0; }
.pack-section h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.3px;
}
.pack-section .pack-lede {
  font-size: 17px;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.6;
  max-width: 820px;
}

/* SKU table */
.sku-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.sku-table th {
  background: var(--bg-soft);
  text-align: left;
  padding: 16px 20px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  color: var(--text-muted);
  border-bottom: 1px solid var(--line);
}
.sku-table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  vertical-align: top;
}
.sku-table tr:last-child td { border-bottom: none; }
.sku-table tr.total td {
  background: var(--navy);
  color: #fff;
  font-weight: 700;
  font-size: 16px;
}
.sku-table tr.total td.v { color: var(--amber); }
.sku-table .sku-name { font-weight: 700; }
.sku-table .product-detail {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 400;
  font-style: italic;
  margin-top: 6px;
  line-height: 1.5;
}
.sku-table td.right { text-align: right; white-space: nowrap; }

/* simple two-column info table */
.info-table { width: 100%; border-collapse: collapse; }
.info-table td {
  padding: 14px 0;
  font-size: 15px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.info-table td:first-child {
  font-weight: 700;
  width: 38%;
  padding-right: 24px;
  color: var(--text);
}
.info-table td:last-child { color: var(--text-muted); }

/* role cards */
.role-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.role-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px 24px;
  position: relative;
}
.role-card::before {
  content: '';
  position: absolute;
  top: 0; left: 24px; right: 24px;
  height: 3px;
  background: var(--amber);
  border-radius: 2px;
}
.role-card .role-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--amber-deep);
  margin-bottom: 10px;
}
.role-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
}
.role-card ul { list-style: none; }
.role-card ul li {
  font-size: 14px;
  color: var(--text);
  padding: 8px 0;
  padding-left: 18px;
  position: relative;
  line-height: 1.5;
}
.role-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}

/* sales pitch */
.pitch-box {
  background: var(--bg-soft);
  border-left: 4px solid var(--amber);
  padding: 32px 36px;
  border-radius: 4px;
}
.pitch-box ol {
  counter-reset: pitch-counter;
  list-style: none;
  padding: 0;
}
.pitch-box ol li {
  counter-increment: pitch-counter;
  position: relative;
  padding-left: 56px;
  margin-bottom: 24px;
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
}
.pitch-box ol li::before {
  content: counter(pitch-counter);
  position: absolute;
  left: 0;
  top: -2px;
  width: 40px;
  height: 40px;
  background: var(--amber);
  color: var(--ink);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
}

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, var(--amber) 0%, #ffd472 100%);
  color: var(--ink);
  padding: 64px 0;
  text-align: center;
}
.cta-band h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--ink);
}
.cta-band p {
  font-size: 18px;
  margin-bottom: 32px;
  color: var(--ink);
  opacity: 0.85;
}
.cta-band .btn-primary {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.cta-band .btn-primary:hover {
  background: #000;
  color: #fff;
}
.cta-band .btn-secondary {
  border-color: var(--ink);
  color: var(--ink);
}
.cta-band .btn-secondary:hover {
  background: rgba(0,0,0,0.05);
  color: var(--ink);
}

/* ============ ROI CALCULATOR PAGE ============ */
.calc-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-3) 100%);
  color: #fff;
  padding: 80px 0 60px;
}
.calc-hero h1 {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.calc-hero p {
  font-size: 20px;
  color: rgba(255,255,255,0.85);
  max-width: 760px;
}
.calc-body { padding: 60px 0 100px; background: var(--bg-soft); }

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.calc-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 36px;
}
.calc-panel h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.calc-panel .panel-sub {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.calc-field { margin-bottom: 20px; }
.calc-field label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.calc-field label .help {
  font-size: 11px;
  color: var(--amber-deep);
  font-style: italic;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 500;
  margin-left: 6px;
}
.calc-field input[type="number"] {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 16px;
  font-family: inherit;
  background: #fff;
  color: var(--text);
  font-weight: 600;
}
.calc-field input[type="number"]:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(255,176,32,0.15);
}
.calc-field-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
}
.calc-field-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.calc-advanced {
  background: var(--bg-soft);
  border: 1px dashed var(--line);
  border-radius: 6px;
  margin-top: 24px;
  overflow: hidden;
}
.calc-advanced summary {
  padding: 14px 18px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}
.calc-advanced[open] summary { border-bottom: 1px dashed var(--line); }
.calc-advanced .content { padding: 20px 18px; }

.calc-out {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.calc-out-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
}
.calc-out-row.fuel { border-color: rgba(0,182,122,0.3); background: rgba(0,182,122,0.04); }
.calc-out-row.safety { border-color: rgba(46,142,255,0.3); background: rgba(46,142,255,0.04); }
.calc-out-row.ins { border-color: rgba(155,81,224,0.3); background: rgba(155,81,224,0.04); }
.calc-out-row .label { font-size: 14px; font-weight: 600; color: var(--text-muted); }
.calc-out-row .val { font-size: 22px; font-weight: 800; color: var(--text); }
.calc-out-row.fuel .val { color: var(--green); }
.calc-out-row.safety .val { color: var(--accent); }
.calc-out-row.ins .val { color: #9b51e0; }

.calc-out-total {
  margin-top: 12px;
  padding: 28px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-3) 100%);
  color: #fff;
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.calc-out-total .label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
}
.calc-out-total .val {
  font-size: 44px;
  font-weight: 800;
  color: var(--amber);
  letter-spacing: -1px;
}

.calc-formula {
  background: var(--ink);
  color: rgba(255,255,255,0.7);
  border-radius: 8px;
  padding: 22px 24px;
  margin-top: 24px;
  font-family: "SF Mono", "Menlo", Consolas, monospace;
  font-size: 12.5px;
  line-height: 1.9;
}
.calc-formula .formula-title {
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 12px;
  display: block;
  font-family: -apple-system, "Helvetica Neue", sans-serif;
  font-weight: 700;
}
.calc-formula .var { color: var(--amber-hi); }
.calc-formula .op { color: rgba(255,255,255,0.4); }

/* contact form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contact-form .field { margin-bottom: 20px; }
.contact-form label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 15px;
  font-family: inherit;
  background: #fff;
  color: var(--text);
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none;
  border-color: var(--amber);
}
.contact-form textarea { min-height: 120px; resize: vertical; }
.contact-info dl { margin-bottom: 32px; }
.contact-info dt {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--amber-deep);
  margin-bottom: 4px;
}
.contact-info dd {
  margin-bottom: 20px;
  font-size: 16px;
  line-height: 1.5;
}

/* responsive */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hero h1 { font-size: 38px; }
  .hero-sub { font-size: 17px; }
  .hero-stats, .why-grid, .pack-grid, .steps, .proof-grid, .role-grid {
    grid-template-columns: 1fr;
  }
  .section h2 { font-size: 30px; }
  .roi-block { grid-template-columns: 1fr; padding: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .pack-hero h1 { font-size: 34px; }
  .pack-section h2 { font-size: 26px; }
  .pitch-box ol li { padding-left: 48px; font-size: 15px; }
  .calc-grid { grid-template-columns: 1fr; }
  .calc-field-row, .calc-field-row-2 { grid-template-columns: 1fr; }
}