/* ============================================
   SENTIUM WEBSITE - UNIFIED STYLESHEET
   ============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES
   ============================================ */
:root {
  /* Colors */
  --color-primary: #0F172A;
  --color-primary-light: #1E293B;
  --color-white: #FFFFFF;
  --color-gray-50: #F8FAFC;
  --color-gray-100: #F1F5F9;
  --color-gray-200: #E2E8F0;
  --color-gray-300: #CBD5E1;
  --color-gray-400: #94A3B8;
  --color-gray-500: #64748B;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-accent: #0D9488;
  --color-accent-hover: #0F766E;
  --color-accent-light: #CCFBF1;
  --color-accent-dark: #115E59;

  /* Typography - Inter for excellent screen readability */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 8rem;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;

  /* Focus */
  --focus-ring: 0 0 0 3px var(--color-accent-light), 0 0 0 5px var(--color-accent);
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + var(--space-lg));
  height: 100%;
}

@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;
  }
}

body {
  font-family: var(--font-family);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-primary);
  background-color: var(--color-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  background-color: var(--color-white);
}

/* ============================================
   FOCUS STATES
   ============================================ */
:focus {
  outline: none;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: 4px;
}

/* ============================================
   SKIP LINK
   ============================================ */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-md);
  text-decoration: none;
  font-weight: 500;
  z-index: 1000;
  border-radius: 0 0 8px 8px;
  transition: top var(--transition-base);
}

.skip-link:focus {
  top: 0;
  outline: none;
  box-shadow: var(--focus-ring);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4 {
  font-family: var(--font-family);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.25rem, 4vw + 1rem, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 3vw + 0.5rem, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw + 0.25rem, 1.5rem);
  font-weight: 600;
}

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

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-3xl) 0;
}

.section--gray {
  background-color: var(--color-gray-50);
}

.section--dark {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.875rem 1.75rem;
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  min-height: 48px;
  min-width: 48px;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-gray-300);
}

.btn--secondary:hover {
  border-color: var(--color-primary);
  background-color: var(--color-gray-50);
}

.btn--white {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.btn--white:hover {
  background-color: var(--color-gray-100);
  border-color: var(--color-gray-100);
}

.btn--outline-white {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn--outline-white:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn--full-width {
  width: 100%;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-gray-100);
  height: var(--nav-height);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__left {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav__logo {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav__links {
  display: none;
  list-style: none;
  gap: var(--space-lg);
}

@media (min-width: 900px) {
  .nav__links {
    display: flex;
  }
}

.nav__link {
  color: var(--color-gray-600);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav__link:hover {
  color: var(--color-primary);
}

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

.nav__contact {
  display: none;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-gray-600);
  font-size: 0.875rem;
  font-weight: 500;
}

.nav__contact a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.nav__contact a:hover {
  color: var(--color-accent);
}

@media (min-width: 900px) {
  .nav__contact {
    display: flex;
  }
}

.nav__cta {
  display: none;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  min-height: 40px;
}

@media (min-width: 768px) {
  .nav__cta {
    display: inline-flex;
  }
}

.nav__mobile-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  background: none;
  border: none;
  cursor: pointer;
}

@media (min-width: 900px) {
  .nav__mobile-toggle {
    display: none;
  }
}

.nav__mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  padding: var(--space-2xl) 0 var(--space-3xl);
  background: linear-gradient(180deg, var(--color-gray-50) 0%, var(--color-white) 100%);
}

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

@media (min-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr 400px;
  }
}

/* Hero inner for subpages (single column, max-width) */
.hero__inner--narrow {
  max-width: 800px;
  display: block;
}

.hero__content {
  max-width: 640px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background-color: var(--color-accent-light);
  color: var(--color-accent-dark);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: var(--space-md);
}

.hero__title {
  margin-bottom: var(--space-md);
}

.hero__subtitle {
  font-size: 1.1875rem;
  color: var(--color-gray-500);
  margin-bottom: var(--space-lg);
}

.hero__cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-gray-200);
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.875rem;
  color: var(--color-gray-500);
}

.hero__trust-item svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

/* Hero Contact Card */
.hero__card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 16px;
  padding: var(--space-lg);
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
}

.hero__card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.hero__card-subtitle {
  font-size: 0.9375rem;
  color: var(--color-gray-500);
  margin-bottom: var(--space-md);
}

.hero__card-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.hero__card-option {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  background: var(--color-gray-50);
  border-radius: 8px;
  text-decoration: none;
  color: var(--color-primary);
  font-weight: 500;
  transition: background var(--transition-fast);
}

.hero__card-option:hover {
  background: var(--color-gray-100);
}

.hero__card-option-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-white);
  border-radius: 8px;
  color: var(--color-accent);
}

.hero__card-option-text {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.hero__card-option-label {
  font-size: 0.75rem;
  color: var(--color-gray-500);
  font-weight: 400;
}

.hero__card-divider {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
  font-size: 0.8125rem;
  color: var(--color-gray-400);
}

.hero__card-divider::before,
.hero__card-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-gray-200);
}

.hero__card-urgent {
  padding: var(--space-sm);
  background: linear-gradient(135deg, var(--color-accent-light) 0%, #E0F2FE 100%);
  border-radius: 8px;
  font-size: 0.875rem;
  text-align: center;
}

.hero__card-urgent strong {
  color: var(--color-accent-dark);
}

/* ============================================
   SOCIAL PROOF BAR
   ============================================ */
.social-proof {
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-gray-100);
}

.social-proof__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-lg);
}

.social-proof__label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-gray-400);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.social-proof__stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xl);
}

.social-proof__stat {
  text-align: center;
}

.social-proof__stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.social-proof__stat-label {
  font-size: 0.8125rem;
  color: var(--color-gray-500);
}

/* ============================================
   PROBLEM SECTION
   ============================================ */
.problem {
  text-align: center;
}

.problem__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.problem__title {
  max-width: 800px;
  margin: 0 auto var(--space-lg);
}

.problem__description {
  font-size: 1.125rem;
  max-width: 640px;
  margin: 0 auto var(--space-xl);
}

.problem__stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
  margin: 0;
}

.problem__stat {
  flex: 1;
  min-width: 200px;
  max-width: 280px;
  padding: var(--space-lg);
  background: var(--color-gray-50);
  border-radius: 12px;
  text-align: center;
  /* Ensure consistent alignment across stats */
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
}

.problem__stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.problem__stat-label {
  font-size: 0.9375rem;
  color: var(--color-gray-600);
  margin: 0;
  /* Ensure consistent height for alignment */
  min-height: 48px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.how-it-works__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-2xl);
}

.how-it-works__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.how-it-works__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  list-style: none;
  counter-reset: step;
  /* Ensure equal height cards */
  align-items: stretch;
}

@media (min-width: 768px) {
  .how-it-works__steps {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
  }
}

.step {
  position: relative;
  padding: var(--space-lg);
  background: var(--color-white);
  border-radius: 16px;
  border: 1px solid var(--color-gray-200);
  /* Ensure consistent height across step cards */
  height: 100%;
  display: flex;
  flex-direction: column;
}

.step__number {
  position: absolute;
  top: calc(-1 * var(--space-sm));
  left: var(--space-lg);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: 50%;
}

.step__title {
  margin-bottom: var(--space-sm);
  /* Minimum height for consistent alignment when titles vary */
  min-height: 2.5rem;
}

.step__description {
  font-size: 0.9375rem;
  color: var(--color-gray-500);
}

.how-it-works__cta {
  text-align: center;
  margin-top: var(--space-xl);
}

/* ============================================
   TECHNOLOGY SECTION
   ============================================ */
.technology__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

@media (min-width: 900px) {
  .technology__inner {
    grid-template-columns: 1fr 1fr;
  }
}

.technology__content {
  max-width: 560px;
}

.technology__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.technology__title {
  margin-bottom: var(--space-md);
}

.technology__description {
  font-size: 1.0625rem;
  margin-bottom: var(--space-lg);
}

.technology__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.technology__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.9375rem;
  color: var(--color-gray-600);
}

.technology__feature-icon {
  width: 24px;
  height: 24px;
  min-width: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent-light);
  border-radius: 50%;
  color: var(--color-accent);
  margin-top: 2px;
}

.technology__feature-icon svg {
  width: 14px;
  height: 14px;
}

.technology__visual {
  background: var(--color-gray-100);
  border-radius: 16px;
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.technology__diagram {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.technology__diagram-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-white);
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
}

.technology__diagram-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gray-50);
  border-radius: 8px;
  color: var(--color-gray-500);
}

.technology__diagram-row--highlight {
  background: var(--color-accent-light);
  color: var(--color-accent-dark);
}

.technology__diagram-row--highlight .technology__diagram-icon {
  background: var(--color-white);
  color: var(--color-accent);
}

.technology__diagram-arrow {
  display: flex;
  justify-content: center;
  color: var(--color-gray-300);
}

/* ============================================
   SERVICES
   ============================================ */
.services__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-2xl);
}

.services__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  /* Ensure equal height rows */
  align-items: stretch;
}

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

.service-card {
  background: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: 16px;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  /* Ensure equal height cards in grid */
  height: 100%;
}

.service-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 24px rgba(13, 148, 136, 0.1);
}

.service-card__header {
  display: flex;
  flex-direction: column-reverse;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  /* Fixed height ensures titles align across cards */
  min-height: 72px;
}

.service-card__badge {
  display: inline-flex;
  padding: 6px 10px;
  background-color: var(--color-gray-100);
  color: var(--color-gray-600);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 6px;
}

.service-card__badge--highlight {
  background-color: var(--color-accent-light);
  color: var(--color-accent-dark);
}

.service-card__title {
  font-size: 1.375rem;
  margin: 0;
}

.service-card__description {
  font-size: 0.9375rem;
  color: var(--color-gray-500);
  margin-bottom: var(--space-md);
  /* Fixed height ensures features list starts at same position */
  min-height: 48px;
}

.service-card__features {
  list-style: none;
  margin-bottom: var(--space-lg);
  flex-grow: 1;
}

.service-card__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: 6px 0;
  font-size: 0.9375rem;
  color: var(--color-gray-600);
}

.service-card__feature::before {
  content: "";
  width: 20px;
  height: 20px;
  min-width: 20px;
  background-color: var(--color-accent-light);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%230D9488'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-size: 14px;
  background-repeat: no-repeat;
  background-position: center;
  margin-top: 2px;
}

.service-card__price {
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-gray-100);
  /* Push to bottom of card and ensure consistent height */
  margin-top: auto;
  min-height: 110px;
  display: flex;
  flex-direction: column;
}

.service-card__price-label {
  font-size: 0.75rem;
  color: var(--color-gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.service-card__price-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
}

.service-card__price-note {
  font-size: 0.875rem;
  color: var(--color-gray-500);
}

.service-card__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: auto;
  padding-top: var(--space-sm);
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.service-card__cta:hover {
  color: var(--color-accent-hover);
}

.service-card__cta svg {
  transition: transform var(--transition-fast);
}

.service-card__cta:hover svg {
  transform: translateX(4px);
}

/* ============================================
   COMPARISON
   ============================================ */
.comparison__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-2xl);
}

.comparison__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.comparison__table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.comparison__table-note {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  margin-bottom: var(--space-sm);
}

.comparison__table {
  width: 100%;
  border-collapse: collapse;
  min-width: 500px;
}

.comparison__table th,
.comparison__table td {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  border-bottom: 1px solid var(--color-gray-200);
}

.comparison__table th {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-gray-500);
  background-color: var(--color-gray-50);
}

.comparison__table th:last-child {
  color: var(--color-accent-dark);
  background-color: var(--color-accent-light);
}

.comparison__table td {
  font-size: 0.9375rem;
  color: var(--color-gray-600);
}

.comparison__table td:last-child {
  color: var(--color-primary);
  font-weight: 600;
  background-color: rgba(204, 251, 241, 0.3);
}

.comparison__table td:nth-child(3) {
  color: var(--color-gray-500);
}

.comparison__check {
  color: var(--color-accent);
  font-weight: 600;
}

.comparison__warn {
  color: var(--color-gray-400);
}

.comparison__table tbody tr:last-child td {
  border-bottom: none;
}

.comparison__cta {
  text-align: center;
  margin-top: var(--space-xl);
}

/* ============================================
   FAQ
   ============================================ */
.faq__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-2xl);
}

.faq__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.faq__list {
  max-width: 800px;
  margin: 0 auto;
}

.faq__item {
  border-bottom: 1px solid var(--color-gray-200);
  padding: var(--space-md) 0;
}

.faq__item:last-child {
  border-bottom: none;
}

.faq__question {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.faq__answer {
  font-size: 0.9375rem;
  color: var(--color-gray-600);
  margin: 0;
}

/* ============================================
   CONTACT CTA (Mid-page)
   ============================================ */
.contact-cta {
  padding: var(--space-3xl) 0;
}

.contact-cta__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.contact-cta__inner--centered {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  gap: var(--space-lg);
}

.contact-cta__title {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.contact-cta__description {
  color: var(--color-gray-300);
  font-size: 1.125rem;
  margin-bottom: var(--space-lg);
}

.contact-cta__methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.contact-cta__methods--row {
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xl);
  margin-bottom: 0;
}

.contact-cta__method {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  justify-content: center;
}

@media (min-width: 900px) {
  .contact-cta__method {
    justify-content: flex-start;
  }
}

.contact-cta__method-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  color: var(--color-accent-light);
  flex-shrink: 0;
}

.contact-cta__method-text {
  display: flex;
  flex-direction: column;
}

.contact-cta__method-label {
  font-size: 0.75rem;
  color: var(--color-gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-cta__method-value {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-white);
}

.contact-cta__method-value a {
  color: inherit;
  text-decoration: none;
}

.contact-cta__method-value a:hover {
  color: var(--color-accent-light);
}

.contact-cta__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

@media (min-width: 900px) {
  .contact-cta__buttons {
    justify-content: flex-start;
  }
}

.contact-cta__card {
  background: var(--color-primary-light);
  border-radius: 16px;
  padding: var(--space-xl);
}

.contact-cta__card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-xs);
}

.contact-cta__card-text {
  color: var(--color-gray-400);
  font-size: 0.9375rem;
  margin-bottom: var(--space-lg);
}

.contact-cta__urgent {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: rgba(13, 148, 136, 0.15);
  border: 1px solid rgba(13, 148, 136, 0.3);
  border-radius: 8px;
  font-size: 0.9375rem;
  color: var(--color-accent-light);
  text-align: center;
}

.contact-cta__urgent strong {
  color: var(--color-white);
}

/* ============================================
   CONTACT SECTION (Footer area)
   ============================================ */
.contact {
  background: var(--color-primary);
  color: var(--color-white);
}

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

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

.contact__title {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.contact__subtitle {
  color: var(--color-gray-400);
  font-size: 1.125rem;
  margin-bottom: var(--space-lg);
}

.contact__methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin: 0;
}

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

.contact__method-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary-light);
  border-radius: 10px;
  color: var(--color-accent);
}

.contact__method-label {
  font-size: 0.75rem;
  color: var(--color-gray-400);
  margin: 0;
}

.contact__method-value {
  color: var(--color-white);
  font-weight: 600;
  margin: 0;
}

.contact__method-value a {
  color: inherit;
  text-decoration: none;
}

.contact__method-value a:hover {
  color: var(--color-accent-light);
}

.contact__card {
  background: var(--color-primary-light);
  border-radius: 16px;
  padding: var(--space-xl);
}

.contact__card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.contact__card-text {
  color: var(--color-gray-400);
  margin-bottom: var(--space-lg);
}

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

@media (min-width: 480px) {
  .contact__card-buttons {
    flex-direction: row;
  }
}

.contact__urgent {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: rgba(13, 148, 136, 0.15);
  border: 1px solid rgba(13, 148, 136, 0.3);
  border-radius: 8px;
  font-size: 0.9375rem;
  color: var(--color-accent-light);
  text-align: center;
}

.contact__urgent strong {
  color: var(--color-white);
}

/* ============================================
   CONTACT FORM
   ============================================ */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-form__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 480px) {
  .contact-form__row {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-form__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.contact-form__label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray-300);
}

.contact-form__input,
.contact-form__textarea,
.contact-form__select {
  padding: 0.875rem var(--space-sm);
  font-family: var(--font-family);
  font-size: 1rem;
  color: var(--color-white);
  background-color: var(--color-primary-light);
  border: 1px solid var(--color-gray-700);
  border-radius: 8px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 48px;
}

.contact-form__input::placeholder,
.contact-form__textarea::placeholder {
  color: var(--color-gray-500);
}

.contact-form__input:focus,
.contact-form__textarea:focus,
.contact-form__select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.2);
}

.contact-form__textarea {
  min-height: 120px;
  resize: vertical;
}

.contact-form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

.contact-form__submit {
  align-self: flex-start;
  margin-top: var(--space-xs);
}

/* Form States */
.contact-form.is-submitting .contact-form__input,
.contact-form.is-submitting .contact-form__textarea,
.contact-form.is-submitting .contact-form__select {
  opacity: 0.6;
  pointer-events: none;
}

.contact-form__submit .btn-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 8px;
  vertical-align: middle;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Form Messages */
.form-message {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-radius: 8px;
  font-size: 0.9375rem;
  font-weight: 500;
  margin-top: var(--space-md);
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.form-message.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.form-message--success {
  background: rgba(13, 148, 136, 0.15);
  border: 1px solid rgba(13, 148, 136, 0.4);
  color: var(--color-accent-light);
}

.form-message--error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fca5a5;
}

.form-message__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.form-message--success .form-message__icon {
  color: var(--color-accent);
}

.form-message--error .form-message__icon {
  color: #f87171;
}

/* ============================================
   SECTION HEADER (Subpages)
   ============================================ */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-2xl);
}

.section-header__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.section-header__title {
  margin-bottom: var(--space-sm);
}

.section-header__description {
  font-size: 1.0625rem;
  color: var(--color-gray-500);
}

/* ============================================
   DELIVERABLES (Defense Audit Page)
   ============================================ */
.deliverables__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

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

.deliverable-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 12px;
  padding: var(--space-lg);
}

.deliverable-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent-light);
  border-radius: 10px;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.deliverable-card__title {
  font-size: 1.125rem;
  margin-bottom: var(--space-xs);
}

.deliverable-card__description {
  font-size: 0.9375rem;
  color: var(--color-gray-500);
  margin: 0;
}

/* ============================================
   TIMELINE (Defense Audit Page)
   ============================================ */
.timeline {
  max-width: 700px;
  margin: 0 auto;
}

.timeline__item {
  display: flex;
  gap: var(--space-md);
  padding-bottom: var(--space-lg);
  position: relative;
}

.timeline__item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 19px;
  top: 40px;
  width: 2px;
  height: calc(100% - 40px);
  background: var(--color-gray-200);
}

.timeline__marker {
  width: 40px;
  height: 40px;
  min-width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: 50%;
}

.timeline__content {}

.timeline__title {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.timeline__description {
  font-size: 0.9375rem;
  color: var(--color-gray-500);
  margin: 0;
}

/* ============================================
   PRICING CARDS (Defense Audit Page)
   ============================================ */
.pricing__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  max-width: 800px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .pricing__cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

.pricing-card {
  background: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: 16px;
  padding: var(--space-xl);
  text-align: center;
}

.pricing-card--featured {
  border-color: var(--color-accent);
  box-shadow: 0 4px 24px rgba(13, 148, 136, 0.15);
}

.pricing-card__badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-accent-light);
  color: var(--color-accent-dark);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 100px;
  margin-bottom: var(--space-sm);
}

.pricing-card__title {
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
}

.pricing-card__price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.pricing-card__note {
  font-size: 0.875rem;
  color: var(--color-gray-400);
  margin-bottom: var(--space-md);
}

.pricing-card__features {
  list-style: none;
  text-align: left;
  margin-bottom: var(--space-lg);
}

.pricing-card__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: 6px 0;
  font-size: 0.9375rem;
  color: var(--color-gray-600);
}

.pricing-card__feature::before {
  content: "";
  width: 20px;
  height: 20px;
  min-width: 20px;
  background-color: var(--color-accent-light);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%230D9488'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-size: 14px;
  background-repeat: no-repeat;
  background-position: center;
  margin-top: 2px;
}

/* ============================================
   FEATURE CARDS (VPAT Page)
   ============================================ */
.features__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

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

@media (min-width: 1024px) {
  .features__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 12px;
  padding: var(--space-lg);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent-light);
  border-radius: 10px;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.feature-card__title {
  font-size: 1.125rem;
  margin-bottom: var(--space-xs);
}

.feature-card__description {
  font-size: 0.9375rem;
  color: var(--color-gray-500);
  margin: 0;
}

/* ============================================
   VPAT CONTENTS LIST (VPAT Page)
   ============================================ */
.vpat-contents {
  max-width: 800px;
  margin: 0 auto;
}

.vpat-contents__list {
  list-style: none;
}

.vpat-contents__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.vpat-contents__item:last-child {
  border-bottom: none;
}

.vpat-contents__icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: 8px;
}

.vpat-contents__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.vpat-contents__description {
  font-size: 0.9375rem;
  color: var(--color-gray-500);
  margin: 0;
}

/* ============================================
   PROCESS STEPS (VPAT Page)
   ============================================ */
.process__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  max-width: 900px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .process__steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step__number {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: var(--color-white);
  font-weight: 700;
  font-size: 1.25rem;
  border-radius: 50%;
  margin: 0 auto var(--space-sm);
}

.process-step__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.process-step__description {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  margin: 0;
}

/* ============================================
   SINGLE PRICING CARD (VPAT Page)
   ============================================ */
.pricing__card {
  background: var(--color-white);
  border: 2px solid var(--color-accent);
  border-radius: 16px;
  padding: var(--space-2xl);
  max-width: 500px;
  margin: 0 auto;
  text-align: center;
  box-shadow: 0 4px 24px rgba(13, 148, 136, 0.1);
}

.pricing__badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-accent-light);
  color: var(--color-accent-dark);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 100px;
  margin-bottom: var(--space-md);
}

.pricing__title {
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
}

.pricing__price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.pricing__note {
  font-size: 0.9375rem;
  color: var(--color-gray-400);
  margin-bottom: var(--space-lg);
}

.pricing__features {
  list-style: none;
  text-align: left;
  margin-bottom: var(--space-lg);
}

.pricing__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: 8px 0;
  font-size: 0.9375rem;
  color: var(--color-gray-600);
}

.pricing__feature::before {
  content: "";
  width: 20px;
  height: 20px;
  min-width: 20px;
  background-color: var(--color-accent-light);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%230D9488'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-size: 14px;
  background-repeat: no-repeat;
  background-position: center;
  margin-top: 2px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-primary);
  border-top: 1px solid var(--color-primary-light);
  padding: var(--space-lg) 0;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
  text-align: center;
}

@media (min-width: 640px) {
  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer__logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
}

.footer__tagline {
  font-size: 0.875rem;
  color: var(--color-gray-500);
}

.footer__links {
  display: flex;
  gap: var(--space-md);
}

.footer__link {
  font-size: 0.875rem;
  color: var(--color-gray-400);
  text-decoration: none;
}

.footer__link:hover {
  color: var(--color-white);
}

.footer__copyright {
  font-size: 0.8125rem;
  color: var(--color-gray-500);
}

/* ============================================
   VISUALLY HIDDEN
   ============================================ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}