/* ---------- Design tokens ---------- */
:root {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.4rem + 2.5vw, 3.25rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Northridge Anesthesia brand palette */
  --color-bg: #f7fafc;
  --color-surface: #ffffff;
  --color-surface-2: #eef4f8;
  --color-surface-offset: #e3edf3;
  --color-border: #d5e1ea;
  --color-divider: #e5edf3;

  --color-text: #244755;
  --color-text-muted: #506577;
  --color-text-faint: #8a9aa9;
  --color-text-inverse: #f7faff;

  --color-primary: #244755;
  --color-primary-hover: #1a3540;
  --color-primary-active: #122530;
  --color-primary-soft: #e0ecf0;

  --color-accent: #78b4b4;
  --color-accent-hover: #5a9a9a;

  --color-sky: #84b4cc;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px rgba(15, 35, 56, 0.06);
  --shadow-md: 0 6px 18px rgba(15, 35, 56, 0.08);
  --shadow-lg: 0 18px 40px rgba(15, 35, 56, 0.12);

  --content-default: 1160px;

  --font-display: 'Fraunces', 'Georgia', serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

/* ---------- Base reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

ul[role='list'] {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.15;
  color: var(--color-text);
  text-wrap: balance;
}

p {
  text-wrap: pretty;
  max-width: 64ch;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
a:hover {
  color: var(--color-accent);
}

button {
  cursor: pointer;
  background: none;
  border: none;
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ---------- Layout primitives ---------- */
.container {
  width: 100%;
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}

.section-head .eyebrow,
.hero .eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.section-head h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}

.section-head.center {
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: var(--space-16);
}
.section-head.center p {
  margin-inline: auto;
}

.section-sub {
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: start;
}

@media (min-width: 880px) {
  .grid-2 {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: var(--space-16);
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  transition: all var(--transition-interactive);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  color: var(--color-primary);
  padding-inline: var(--space-3);
}
.btn-ghost:hover {
  color: var(--color-accent);
}

.btn-block {
  display: flex;
  width: 100%;
  margin-top: var(--space-6);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(247, 250, 252, 0.85);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-interactive),
    background var(--transition-interactive);
}
.site-header.scrolled {
  border-bottom-color: var(--color-border);
  background: rgba(247, 250, 252, 0.95);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-primary);
}
.brand-logo {
  height: 57px;
  width: auto;
  display: block;
}
@media (min-width: 760px) {
  .brand-logo {
    height: 68px;
  }
}
.brand-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
}

.nav {
  display: none;
  gap: var(--space-8);
  list-style: none;
}
@media (min-width: 760px) {
  .nav {
    display: flex;
  }
}
.nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}
.nav a:hover {
  color: var(--color-accent);
}

.header-cta {
  display: none;
}
@media (min-width: 880px) {
  .header-cta {
    display: inline-flex;
  }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 80% 0%, rgba(74, 143, 184, 0.15), transparent 70%),
    radial-gradient(ellipse 60% 50% at 0% 100%, rgba(27, 58, 92, 0.08), transparent 70%),
    var(--color-bg);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}
@media (min-width: 960px) {
  .hero-inner {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-20);
  }
}

.hero-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-6);
}
.hero-title .accent {
  color: var(--color-accent-hover);
  font-style: italic;
  font-weight: 400;
}

.hero-lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 52ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-card {
  width: 100%;
  max-width: 440px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
}

.pulse-line {
  height: 96px;
  color: var(--color-accent);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-divider);
  padding-bottom: var(--space-6);
}
.pulse-line svg {
  width: 100%;
  height: 100%;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.hero-stats > div {
  text-align: left;
}
.hero-stats dt {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: -0.01em;
  margin-bottom: 2px;
}
.hero-stats dd {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

/* ---------- About ---------- */
.section-about {
  background: var(--color-surface);
  border-block: 1px solid var(--color-divider);
}

.section-about .lede {
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-5);
}
.section-about p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.value-list {
  margin-top: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  list-style: none;
}
.value-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-5);
  align-items: start;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.value-list li:first-child {
  border-top: 0;
  padding-top: 0;
}
.value-num {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.02em;
  padding-top: 4px;
}
.value-list h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-2);
}
.value-list p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}

/* ---------- Services ---------- */
.section-services {
  background: var(--color-bg);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 960px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: transform var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive);
}
.service-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.service-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}
.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-3);
}
.service-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}

/* ---------- Contact ---------- */
.section-contact {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.section-contact .section-head h2,
.section-contact .section-head .eyebrow {
  color: #ffffff;
}
.section-contact .section-head .eyebrow {
  color: var(--color-sky);
}
.section-contact .section-sub {
  color: rgba(247, 250, 255, 0.78);
}

.contact-primary {
  margin-top: var(--space-5);
}
.contact-primary-link {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: #fff;
  text-decoration: none;
  border-bottom: 2px solid var(--color-teal);
  padding-bottom: 4px;
  transition: color 160ms ease, border-color 160ms ease;
}
.contact-primary-link:hover,
.contact-primary-link:focus-visible {
  color: var(--color-teal);
  border-color: #fff;
}

.contact-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  backdrop-filter: blur(8px);
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  list-style: none;
}
.contact-list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-bottom: var(--space-5);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}
.contact-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.contact-label {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-sky);
  font-weight: 600;
}
.contact-list a,
.contact-list span:not(.contact-label) {
  font-size: 1.0625rem;
  color: var(--color-text-inverse);
  font-weight: 500;
}
.contact-list a:hover {
  color: #c9e0ef;
}

.section-contact .btn-primary {
  background: var(--color-text-inverse);
  color: var(--color-primary);
}
.section-contact .btn-primary:hover {
  background: #e6eef6;
  color: var(--color-primary);
}

.contact-note {
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: rgba(247, 250, 255, 0.6);
  text-align: center;
}

/* ---------- Contact form ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: start;
  margin-top: var(--space-10);
}
@media (min-width: 880px) {
  .contact-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: var(--space-10);
  }
}

.contact-form {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
@media (min-width: 600px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.field-label {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-sky);
  font-weight: 600;
}
.req {
  color: #ffd1d1;
  margin-left: 2px;
}
.field input,
.field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text-inverse);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-md);
  padding: 0.7rem 0.85rem;
  transition: border-color var(--transition-interactive),
    background var(--transition-interactive),
    box-shadow var(--transition-interactive);
}
.field textarea {
  resize: vertical;
  min-height: 8rem;
  line-height: 1.55;
}
.field input::placeholder,
.field textarea::placeholder {
  color: rgba(247, 250, 255, 0.4);
}
.field input:hover,
.field textarea:hover {
  border-color: rgba(255, 255, 255, 0.36);
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-sky);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 0 3px rgba(132, 180, 204, 0.28);
}

.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-actions {
  margin-top: var(--space-2);
}

.form-status {
  margin: 0;
  min-height: 1.4em;
  font-size: var(--text-sm);
  text-align: center;
}
.form-status[data-type='success'] {
  color: #c5e9d5;
}
.form-status[data-type='error'] {
  color: #ffc4c4;
}

.contact-aside .contact-list {
  gap: var(--space-4);
}
.contact-aside .contact-list li {
  padding-bottom: var(--space-4);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-8);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: flex-start;
  justify-content: space-between;
}
@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    align-items: center;
  }
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.footer-brand .brand-name {
  font-size: 1rem;
  color: var(--color-primary);
}
.footer-legal {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin: 0;
}

/* ---------- Header scroll behavior ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}