/* ============================================
   Norwalk Cardiac — Stylesheet
   Clean Minimalist | Teal & Slate Palette
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --color-teal-50: #f0fdfa;
  --color-teal-100: #ccfbf1;
  --color-teal-200: #99f6e4;
  --color-teal-300: #5eead4;
  --color-teal-400: #2dd4bf;
  --color-teal-500: #14b8a6;
  --color-teal-600: #0d9488;
  --color-teal-700: #0f766e;
  --color-teal-800: #115e59;
  --color-teal-900: #134e4a;
  --color-slate-50: #f8fafc;
  --color-slate-100: #f1f5f9;
  --color-slate-200: #e2e8f0;
  --color-slate-300: #cbd5e1;
  --color-slate-400: #94a3b8;
  --color-slate-500: #64748b;
  --color-slate-600: #475569;
  --color-slate-700: #334155;
  --color-slate-800: #1e293b;
  --color-slate-900: #0f172a;
  --color-white: #ffffff;
  --color-black: #000000;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-slate-800);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--color-teal-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-teal-700);
}

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

ul, ol {
  list-style: none;
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-teal-700);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  z-index: 1000;
  font-size: 0.875rem;
  font-weight: 500;
}

.skip-link:focus {
  top: var(--space-md);
  color: var(--color-white);
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-2xl);
  }
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-slate-900);
}

h1 { font-size: clamp(2.25rem, 5vw, 4rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; font-family: var(--font-sans); font-weight: 600; }

p {
  color: var(--color-slate-600);
}

/* --- Section Titles --- */
.section-title {
  margin-bottom: var(--space-lg);
}

.section-title--center {
  text-align: center;
}

.section-title--light {
  color: var(--color-white);
}

.section-lead {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-slate-500);
  max-width: 640px;
}

.section-lead--center {
  margin-left: auto;
  margin-right: auto;
}

.section-lead--light {
  color: var(--color-slate-300);
  max-width: 480px;
}

/* --- Label --- */
.label-line {
  display: block;
  width: 40px;
  height: 1px;
  background: var(--color-teal-500);
  margin-bottom: var(--space-md);
}

.label-line--light {
  background: var(--color-teal-400);
}

.label-text {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-teal-600);
  margin-bottom: var(--space-sm);
}

.label-text--light {
  color: var(--color-teal-300);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.875rem 2rem;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.8125rem;
}

.btn-full {
  width: 100%;
}

.btn-primary {
  background: var(--color-teal-600);
  color: var(--color-white);
  border: 1.5px solid var(--color-teal-600);
}

.btn-primary:hover {
  background: var(--color-teal-700);
  border-color: var(--color-teal-700);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline-light {
  background: transparent;
  color: var(--color-white);
  border: 1.5px solid rgba(255, 255, 255, 0.5);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-white);
  color: var(--color-white);
}

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-slate-100);
  transition: box-shadow var(--transition-base);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

/* --- Logo --- */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-decoration: none;
  color: var(--color-slate-900);
}

.logo-icon {
  color: var(--color-teal-600);
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-primary {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-slate-900);
}

.logo-sub {
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-slate-500);
}

.logo--light {
  color: var(--color-white);
}

.logo--light .logo-primary {
  color: var(--color-white);
}

.logo--light .logo-sub {
  color: var(--color-slate-300);
}

/* --- Navigation --- */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.main-nav ul {
  display: none;
  gap: var(--space-xl);
}

.main-nav ul li a {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-slate-600);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color var(--transition-fast);
  position: relative;
}

.main-nav ul li a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-teal-600);
  transition: width var(--transition-base);
}

.main-nav ul li a:hover {
  color: var(--color-teal-600);
}

.main-nav ul li a:hover::after {
  width: 100%;
}

.main-nav .btn {
  margin-left: var(--space-md);
}

/* --- Nav Toggle --- */
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  z-index: 101;
}

.nav-toggle-line {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-slate-700);
  transition: all var(--transition-base);
  transform-origin: center;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--color-slate-900);
  overflow: hidden;
  padding-top: 72px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(15, 23, 42, 0.88) 0%,
    rgba(13, 148, 136, 0.65) 50%,
    rgba(15, 23, 42, 0.80) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: var(--space-4xl) 0;
  max-width: 780px;
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-teal-300);
  margin-bottom: var(--space-lg);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 400;
  color: var(--color-white);
  line-height: 1.1;
  margin-bottom: var(--space-xl);
  max-width: 700px;
}

.hero-title br {
  display: none;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.1875rem);
  color: var(--color-slate-300);
  line-height: 1.8;
  margin-bottom: var(--space-2xl);
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
}

.hero-credentials {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.credential-chip {
  padding: 0.375rem 0.875rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-teal-200);
  border: 1px solid rgba(94, 234, 212, 0.25);
  border-radius: var(--radius-full);
}

@media (min-width: 768px) {
  .hero-title br {
    display: block;
  }
}

/* --- Intro --- */
.intro {
  padding: var(--space-5xl) 0;
  background: var(--color-white);
}

.intro-grid {
  display: grid;
  gap: var(--space-2xl);
  margin-bottom: var(--space-4xl);
}

.intro-label {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.intro-label .label-line {
  margin-bottom: 0;
}

.intro-body .section-title {
  margin-bottom: var(--space-xl);
}

.intro-body p {
  font-size: 1.0625rem;
  line-height: 1.85;
  margin-bottom: var(--space-lg);
}

.intro-body p:last-child {
  margin-bottom: 0;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  padding-top: var(--space-3xl);
  border-top: 1px solid var(--color-slate-200);
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  color: var(--color-teal-600);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.stat-label {
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-slate-500);
}

.stat-divider {
  grid-column: 2;
  align-self: stretch;
  border-left: 1px solid var(--color-slate-200);
  margin: var(--space-sm) 0;
}

@media (min-width: 768px) {
  .intro-grid {
    grid-template-columns: 1fr 2fr;
    align-items: start;
    gap: var(--space-4xl);
  }
}

/* --- Services --- */
.services {
  padding: var(--space-5xl) 0;
  background: var(--color-slate-50);
}

.section-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.services-grid {
  display: grid;
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-slate-100);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
}

.service-card:hover {
  border-color: var(--color-teal-200);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.service-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-teal-50);
  border-radius: var(--radius-md);
  color: var(--color-teal-600);
  margin-bottom: var(--space-lg);
}

.service-title {
  margin-bottom: var(--space-sm);
}

.service-desc {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-slate-500);
  margin-bottom: var(--space-lg);
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.service-list li {
  position: relative;
  padding-left: var(--space-lg);
  font-size: 0.875rem;
  color: var(--color-slate-600);
  line-height: 1.5;
}

.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--color-teal-400);
  border-radius: 50%;
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --- Approach --- */
.approach {
  padding: var(--space-5xl) 0;
  background: var(--color-white);
}

.approach-layout {
  display: grid;
  gap: var(--space-3xl);
  align-items: center;
}

.approach-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 6/7;
}

.approach-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.approach-content {
  display: flex;
  flex-direction: column;
}

.approach-content .section-title {
  margin-bottom: var(--space-xl);
}

.approach-content .section-lead {
  margin-bottom: var(--space-xl);
}

.approach-content p {
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--color-slate-600);
  margin-bottom: var(--space-2xl);
}

.approach-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.approach-feature {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: var(--space-lg);
}

.feature-num {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-teal-300);
  line-height: 1;
  padding-top: 0.15em;
}

.feature-title {
  margin-bottom: var(--space-xs);
}

.feature-desc {
  font-size: 0.9375rem;
  color: var(--color-slate-500);
  line-height: 1.7;
}

@media (min-width: 900px) {
  .approach-layout {
    grid-template-columns: 6fr 7fr;
    gap: var(--space-4xl);
  }
}

/* --- Insurance --- */
.insurance {
  padding: var(--space-5xl) 0;
  background: var(--color-slate-900);
  position: relative;
  overflow: hidden;
}

.insurance::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(13, 148, 136, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.insurance-layout {
  display: grid;
  gap: var(--space-3xl);
  position: relative;
  z-index: 1;
}

.insurance-content {
  max-width: 480px;
}

.insurance-content .section-title {
  margin-bottom: var(--space-xl);
}

.insurance-content .section-lead {
  margin-bottom: var(--space-2xl);
}

.insurance-content .btn {
  margin-top: var(--space-md);
}

.insurance-logos {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.insurance-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.insurance-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 64px;
  transition: all var(--transition-base);
}

.insurance-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(13, 148, 136, 0.4);
}

.insurance-placeholder {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-slate-300);
}

.insurance-note {
  font-size: 0.8125rem;
  color: var(--color-slate-500);
  font-style: italic;
}

@media (min-width: 768px) {
  .insurance-layout {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

/* --- Contact --- */
.contact {
  padding: var(--space-5xl) 0;
  background: var(--color-slate-50);
}

.contact-grid {
  display: grid;
  gap: var(--space-4xl);
}

.contact-info .section-title {
  margin-bottom: var(--space-xl);
}

.contact-info .section-lead {
  margin-bottom: var(--space-2xl);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.contact-detail {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.contact-icon {
  color: var(--color-teal-600);
  flex-shrink: 0;
  margin-top: 0.15em;
}

.contact-detail strong {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-slate-900);
  margin-bottom: var(--space-xs);
}

.contact-detail p {
  font-size: 0.9375rem;
  color: var(--color-slate-600);
  line-height: 1.7;
}

.contact-detail a {
  color: var(--color-teal-600);
}

.contact-detail a:hover {
  color: var(--color-teal-700);
  text-decoration: underline;
}

/* --- Contact Form --- */
.contact-form-wrap {
  background: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
}

.form-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-slate-900);
  margin-bottom: var(--space-sm);
}

.form-note {
  font-size: 0.875rem;
  color: var(--color-slate-500);
  margin-bottom: var(--space-2xl);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--space-lg);
}

.form-group label {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-slate-700);
  margin-bottom: var(--space-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 300;
  color: var(--color-slate-800);
  background: var(--color-slate-50);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  transition: all var(--transition-fast);
  outline: none;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-teal-500);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-slate-400);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-privacy {
  font-size: 0.75rem;
  color: var(--color-slate-400);
  text-align: center;
  margin-top: var(--space-md);
}

/* --- Form Success --- */
.form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  gap: var(--space-lg);
}

.success-icon {
  color: var(--color-teal-500);
}

.form-success h3 {
  font-size: 1.5rem;
}

.form-success p {
  font-size: 0.9375rem;
  color: var(--color-slate-500);
  max-width: 320px;
}

@media (min-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* --- Footer --- */
.site-footer {
  background: var(--color-slate-900);
  color: var(--color-slate-400);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand .logo {
  margin-bottom: var(--space-lg);
}

.footer-tagline {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-slate-400);
  max-width: 320px;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-slate-300);
  margin-bottom: var(--space-lg);
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links a {
  font-size: 0.9375rem;
  color: var(--color-slate-400);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-teal-400);
}

.footer-contact p {
  font-size: 0.9375rem;
  line-height: 1.75;
  margin-bottom: var(--space-sm);
}

.footer-contact a {
  color: var(--color-teal-400);
}

.footer-bottom {
  padding-top: var(--space-2xl);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--color-slate-500);
  line-height: 1.7;
}

.footer-legal {
  font-size: 0.75rem !important;
  color: var(--color-slate-600) !important;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* --- Mobile Navigation --- */
@media (max-width: 767px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--space-2xl);
    gap: var(--space-xl);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    overflow-y: auto;
  }

  .main-nav.open {
    transform: translateX(0);
  }

  .main-nav ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    width: 100%;
  }

  .main-nav ul li a {
    font-size: 1.125rem;
    color: var(--color-slate-700);
  }

  .main-nav .btn {
    margin-left: 0;
    margin-top: var(--space-md);
    width: 100%;
    text-align: center;
  }
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
}

/* --- Reduced Motion --- */
@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;
  }

  .service-card:hover {
    transform: none;
  }
}

/* --- Scroll Animations (progressive enhancement) --- */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
  }

  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}