/* ============================================================
   AlbertMed Billing — design tokens & base
   Palette: warm cream + deep teal + terracotta accent
   ============================================================ */
:root {
  /* surfaces */
  --cream: #F4EFE5;
  --cream-2: #EDE6D6;
  --paper: #FBF8F1;
  --white: #FFFFFF;

  /* ink */
  --ink: #0F2A2A;
  --ink-2: #1B3A39;
  --ink-soft: #4A5E5D;
  --ink-mute: #7C8C8B;

  /* brand */
  --teal: #0E4F4A;
  --teal-deep: #0A3A36;
  --teal-soft: #D9E5E2;
  --terracotta: #D26A4A;
  --terracotta-2: #B5573B;
  --gold: #C9A24A;

  /* utility */
  --line: #D9CFBC;
  --line-soft: #E6DEC9;

  /* type */
  --serif: "Instrument Serif", "Times New Roman", serif;
  --sans: "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;

  /* sizing */
  --container: 1240px;
  --pad-x: clamp(20px, 4vw, 56px);
  --radius: 14px;
  --radius-sm: 8px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
img, svg { display: block; max-width: 100%; }

::selection { background: var(--terracotta); color: var(--paper); }

/* ----- layout ----- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}
section { position: relative; }

/* ----- type ----- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--terracotta);
}
.h-display {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(48px, 7vw, 104px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
}
.h-display em { font-style: italic; color: var(--teal); }
.h-display .accent { color: var(--terracotta); font-style: italic; }
.h-section {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(34px, 4.6vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin: 0;
}
.h-section em { font-style: italic; color: var(--teal); }
.h-section .accent { color: var(--terracotta); font-style: italic; }
.lede {
  font-size: clamp(17px, 1.4vw, 20px);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 58ch;
  margin: 0;
}

/* ----- buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 15px;
  letter-spacing: -0.005em;
  transition: transform .15s ease, background .2s ease, color .2s ease, box-shadow .2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover { background: var(--teal-deep); transform: translateY(-1px); }
.btn-accent {
  background: var(--terracotta);
  color: var(--paper);
}
.btn-accent:hover { background: var(--terracotta-2); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn-ghost:hover { border-color: var(--ink); }
.btn .arrow {
  display: inline-flex;
  transition: transform .2s ease;
}
.btn:hover .arrow { transform: translateX(3px); }

/* ============================================================
   NAV
   ============================================================ */
.nav-wrap {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--cream) 80%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, background .2s ease;
}
.nav-wrap.scrolled {
  border-bottom-color: var(--line-soft);
  background: color-mix(in srgb, var(--cream) 92%, transparent);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.brand-mark {
  width: 32px; height: 32px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 8px;
  display: grid; place-items: center;
  position: relative;
}
.brand-mark::after {
  content: "";
  position: absolute; inset: 6px;
  border: 1.5px solid var(--terracotta);
  border-radius: 4px;
  opacity: .9;
}
.brand-name {
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1;
  letter-spacing: -0.01em;
}
.brand-name em { font-style: italic; color: var(--teal); }
.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}
.nav-links a {
  font-size: 14px;
  color: var(--ink-soft);
  transition: color .15s ease;
}
.nav-links a:hover { color: var(--ink); }
.nav-cta {
  display: flex; gap: 10px; align-items: center;
}
@media (max-width: 880px) {
  .nav-links { display: none; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding-top: clamp(40px, 6vw, 80px);
  padding-bottom: clamp(40px, 6vw, 80px);
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(28px, 4vw, 64px);
  align-items: end;
}
@media (max-width: 980px) { .hero-grid { grid-template-columns: 1fr; } }

.hero-left .eyebrow { margin-bottom: 28px; }
.hero-left h1 { margin-bottom: 28px; }
.hero-left .lede { margin-bottom: 36px; }
.hero-cta-row { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-right { position: relative; }
.kpi-card {
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 28px 28px 22px;
  display: grid; gap: 8px;
}
.kpi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.kpi-card .kpi-num {
  font-family: var(--serif);
  font-size: 64px;
  line-height: 1;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.kpi-card .kpi-num .unit {
  font-family: var(--sans);
  font-size: 22px;
  color: var(--terracotta);
  font-weight: 500;
  margin-left: 2px;
  vertical-align: super;
}
.kpi-card .kpi-label {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.4;
}
.kpi-card.dark {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.kpi-card.dark .kpi-num { color: var(--paper); }
.kpi-card.dark .kpi-label { color: color-mix(in srgb, var(--paper) 70%, transparent); }
.kpi-card.dark .kpi-num .unit { color: var(--terracotta); }

.hero-stack { display: grid; gap: 14px; }

.hero-claim-card {
  background: var(--terracotta);
  color: var(--paper);
  border-radius: var(--radius);
  padding: 22px 24px;
  display: flex; align-items: center; gap: 16px;
}
.hero-claim-card .claim-num {
  font-family: var(--serif);
  font-size: 52px;
  line-height: 1;
}
.hero-claim-card .claim-text {
  font-size: 14px;
  line-height: 1.4;
  opacity: .92;
}

/* trustbar */
.trustbar {
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  padding: 22px 0;
  background: var(--cream-2);
}
.trustbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.trust-label {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.trust-logos {
  display: flex; gap: 32px; align-items: center; flex-wrap: wrap;
}
.trust-logo {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--ink-2);
  opacity: .72;
  letter-spacing: -0.01em;
  display: inline-flex; align-items: center; gap: 8px;
}
.trust-logo .ico { opacity: .55; }

/* ============================================================
   SERVICES
   ============================================================ */
.services {
  padding: clamp(80px, 9vw, 140px) 0;
}
.section-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: end;
  margin-bottom: clamp(40px, 5vw, 72px);
}
.section-head .eyebrow { margin-bottom: 18px; }
.section-head .lede { margin-top: 16px; }
@media (max-width: 820px) {
  .section-head { grid-template-columns: 1fr; }
}

.svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}
@media (max-width: 980px) { .svc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .svc-grid { grid-template-columns: 1fr; } }

.svc-card {
  background: var(--paper);
  padding: 32px 28px 28px;
  display: grid;
  gap: 14px;
  align-content: start;
  transition: background .2s ease;
  position: relative;
}
.svc-card:hover { background: var(--white); }
.svc-card .num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--terracotta);
  letter-spacing: 0.12em;
}
.svc-card .ico-wrap {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--cream-2);
  display: grid; place-items: center;
  color: var(--teal);
  margin-bottom: 4px;
}
.svc-card h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 26px;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0;
}
.svc-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink-soft);
}
.svc-card ul {
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}
.svc-card li {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px;
  color: var(--ink-2);
}
.svc-card li::before {
  content: "";
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--terracotta);
  flex-shrink: 0;
}

/* ============================================================
   SPECIALTIES
   ============================================================ */
.specialties {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(80px, 9vw, 140px) 0;
  overflow: hidden;
}
.specialties .eyebrow { color: color-mix(in srgb, var(--paper) 65%, transparent); }
.specialties .eyebrow .dot { background: var(--terracotta); }
.specialties .h-section { color: var(--paper); }
.specialties .h-section em { color: var(--gold); }
.specialties .lede { color: color-mix(in srgb, var(--paper) 70%, transparent); }

.spec-marquee {
  margin-top: clamp(40px, 5vw, 64px);
  overflow: hidden;
  position: relative;
  /* edge fades */
  mask-image: linear-gradient(90deg, transparent 0, #000 8%, #000 92%, transparent 100%);
}
.spec-marquee-track {
  display: flex;
  gap: 14px;
  width: max-content;
  animation: spec-scroll 60s linear infinite;
}
.specialties:hover .spec-marquee-track { animation-play-state: paused; }
@keyframes spec-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.spec-chip {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--paper) 18%, transparent);
  font-size: 15px;
  white-space: nowrap;
  background: color-mix(in srgb, var(--paper) 4%, transparent);
  color: color-mix(in srgb, var(--paper) 90%, transparent);
}
.spec-chip .ico { color: var(--terracotta); }
.spec-chip.featured {
  background: var(--terracotta);
  color: var(--paper);
  border-color: var(--terracotta);
}
.spec-chip.featured .ico { color: var(--paper); }

/* ============================================================
   PROCESS
   ============================================================ */
.process {
  padding: clamp(80px, 9vw, 140px) 0;
}
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}
@media (max-width: 980px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 580px) { .steps { grid-template-columns: 1fr; } }
.step {
  background: var(--paper);
  padding: 28px 24px 28px;
  display: grid;
  gap: 12px;
  align-content: start;
  position: relative;
}
.step .step-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 56px;
  line-height: 1;
  color: var(--terracotta);
}
.step h4 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 22px;
  line-height: 1.15;
  margin: 0;
  letter-spacing: -0.01em;
}
.step p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0;
}

/* ============================================================
   RESULTS / METRICS
   ============================================================ */
.results {
  padding: clamp(80px, 9vw, 140px) 0;
  background: var(--cream-2);
}
.results-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: center;
}
@media (max-width: 980px) { .results-grid { grid-template-columns: 1fr; } }

.metric-stack { display: grid; gap: 20px; }
.metric-row {
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 24px 28px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
}
.metric-num {
  font-family: var(--serif);
  font-size: 60px;
  line-height: 1;
  color: var(--ink);
  letter-spacing: -0.02em;
  min-width: 140px;
}
.metric-num .unit {
  font-family: var(--sans);
  font-size: 20px;
  color: var(--terracotta);
  font-weight: 500;
  vertical-align: super;
  margin-left: 2px;
}
.metric-label {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.45;
}
.metric-bar {
  width: 64px; height: 64px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--cream-2);
  color: var(--teal);
}
.metric-row.featured { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.metric-row.featured .metric-num { color: var(--paper); }
.metric-row.featured .metric-label { color: color-mix(in srgb, var(--paper) 70%, transparent); }
.metric-row.featured .metric-bar { background: color-mix(in srgb, var(--paper) 8%, transparent); color: var(--terracotta); }

@media (max-width: 580px) {
  .metric-row { grid-template-columns: 1fr; gap: 8px; }
  .metric-bar { display: none; }
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.social {
  padding: clamp(80px, 9vw, 140px) 0;
}
.testimonial-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 20px;
  margin-top: clamp(40px, 5vw, 64px);
}
@media (max-width: 980px) {
  .testimonial-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) { .testimonial-grid { grid-template-columns: 1fr; } }

.tcard {
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 28px;
  display: grid;
  gap: 20px;
  align-content: space-between;
}
.tcard.lead { background: var(--teal-deep); color: var(--paper); border-color: var(--teal-deep); }
.tcard.lead .quote { color: var(--paper); }
.tcard.lead .author .name { color: var(--paper); }
.tcard.lead .author .role { color: color-mix(in srgb, var(--paper) 65%, transparent); }
.tcard.lead .stars { color: var(--gold); }

.tcard .stars { display: inline-flex; gap: 2px; color: var(--terracotta); }
.tcard .quote {
  font-family: var(--serif);
  font-size: clamp(20px, 1.6vw, 26px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
}
.tcard .author {
  display: flex; align-items: center; gap: 12px;
  border-top: 1px solid color-mix(in srgb, currentColor 12%, transparent);
  padding-top: 16px;
}
.tcard .avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--cream-2);
  display: grid; place-items: center;
  font-family: var(--serif);
  font-size: 18px;
  color: var(--teal);
  flex-shrink: 0;
}
.tcard.lead .avatar { background: color-mix(in srgb, var(--paper) 12%, transparent); color: var(--paper); }
.tcard .name { font-weight: 500; font-size: 14.5px; }
.tcard .role { font-size: 12.5px; color: var(--ink-mute); }

/* ============================================================
   FAQ
   ============================================================ */
.faq {
  padding: clamp(80px, 9vw, 140px) 0;
  background: var(--cream-2);
}
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
@media (max-width: 980px) { .faq-grid { grid-template-columns: 1fr; } }

.faq-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-q {
  width: 100%;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 22px 0;
  font-family: var(--serif);
  font-size: clamp(20px, 1.7vw, 26px);
  line-height: 1.2;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.faq-q .toggle {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--line);
  display: grid; place-items: center;
  flex-shrink: 0;
  transition: background .2s ease, transform .2s ease;
}
.faq-item.open .faq-q .toggle { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.faq-q .toggle svg { transition: transform .2s ease; }
.faq-item.open .faq-q .toggle svg { transform: rotate(45deg); }
.faq-a {
  overflow: hidden;
  max-height: 0;
  transition: max-height .3s ease;
}
.faq-item.open .faq-a { max-height: 320px; }
.faq-a-inner {
  padding: 0 0 22px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 60ch;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  padding: clamp(80px, 9vw, 140px) 0;
  background: var(--ink);
  color: var(--paper);
}
.contact .eyebrow { color: color-mix(in srgb, var(--paper) 65%, transparent); }
.contact .h-display { color: var(--paper); }
.contact .h-display em { color: var(--gold); }
.contact .h-display .accent { color: var(--terracotta); }

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: start;
  margin-top: clamp(40px, 5vw, 64px);
}
@media (max-width: 980px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-info { display: grid; gap: 28px; align-content: start; }
.contact-block {
  border-top: 1px solid color-mix(in srgb, var(--paper) 14%, transparent);
  padding-top: 20px;
  display: grid; gap: 4px;
}
.contact-block .label {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--paper) 60%, transparent);
}
.contact-block .value {
  font-family: var(--serif);
  font-size: clamp(22px, 2vw, 32px);
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.contact-block .value a:hover { color: var(--terracotta); }
.contact-block .meta { font-size: 14px; color: color-mix(in srgb, var(--paper) 70%, transparent); }

/* form */
.contact-form {
  background: color-mix(in srgb, var(--paper) 4%, transparent);
  border: 1px solid color-mix(in srgb, var(--paper) 14%, transparent);
  border-radius: var(--radius);
  padding: 28px;
  display: grid;
  gap: 16px;
}
.field { display: grid; gap: 6px; }
.field label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--paper) 65%, transparent);
}
.field input, .field select, .field textarea {
  background: transparent;
  border: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--paper) 22%, transparent);
  color: var(--paper);
  padding: 10px 0;
  font-family: var(--sans);
  font-size: 15px;
  outline: none;
  transition: border-color .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-bottom-color: var(--terracotta);
}
.field input::placeholder, .field textarea::placeholder {
  color: color-mix(in srgb, var(--paper) 40%, transparent);
}
.field select option { color: var(--ink); }
.field textarea { resize: vertical; min-height: 80px; }
.field-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }

.form-submit {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  margin-top: 8px;
}
.form-meta { font-size: 12px; color: color-mix(in srgb, var(--paper) 55%, transparent); max-width: 28ch; }

.success {
  text-align: center;
  padding: 40px 12px;
}
.success .check {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--terracotta);
  display: grid; place-items: center;
  margin: 0 auto 18px;
}
.success h4 { font-family: var(--serif); font-size: 28px; margin: 0 0 6px; font-weight: 400; }
.success p { color: color-mix(in srgb, var(--paper) 70%, transparent); margin: 0; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--ink);
  color: color-mix(in srgb, var(--paper) 70%, transparent);
  border-top: 1px solid color-mix(in srgb, var(--paper) 10%, transparent);
  padding: 36px 0;
}
.footer-row {
  display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap;
}
.footer .brand-name { color: var(--paper); }
.footer-links { display: flex; gap: 24px; font-size: 13px; }
.footer-meta { font-size: 12px; color: color-mix(in srgb, var(--paper) 50%, transparent); }