/* Intuvora — Premium AI Automation Website
   Mobile-first, accessible, performance-optimized */

:root {
  --color-primary: #0a1628;
  --color-primary-light: #0f2744;
  --color-primary-mid: #1e3a5f;
  --color-accent: #2563eb;
  --color-accent-light: #3b82f6;
  --color-accent-glow: rgba(37, 99, 235, 0.25);
  --color-white: #ffffff;
  --color-off-white: #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-400: #94a3b8;
  --color-gray-600: #475569;
  --color-gray-800: #1e293b;
  --color-text: #334155;
  --color-text-light: #64748b;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --max-width: 72rem;
  --header-height: 4.5rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --shadow-sm: 0 1px 2px rgba(10, 22, 40, 0.06);
  --shadow-md: 0 4px 16px rgba(10, 22, 40, 0.08);
  --shadow-lg: 0 12px 40px rgba(10, 22, 40, 0.12);
  --transition: 0.2s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover,
a:focus-visible {
  color: var(--color-accent-light);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.75rem 1.25rem;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-gray-200);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--color-primary);
  text-decoration: none;
  flex-shrink: 0;
}

.logo:hover,
.logo:focus-visible {
  color: var(--color-primary);
}

.logo-img {
  width: 2.25rem;
  height: 2.25rem;
  object-fit: contain;
  flex-shrink: 0;
}

.logo-text {
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1;
  white-space: nowrap;
}

.logo--text-only .logo-img {
  display: none;
}

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

.logo--footer:hover,
.logo--footer:focus-visible {
  color: var(--color-white);
}

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

@media (max-width: 23.99rem) {
  .logo-text {
    font-size: 1.125rem;
  }

  .logo-img {
    width: 2rem;
    height: 2rem;
  }
}

.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  background: var(--color-white);
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--color-primary);
  position: relative;
  transition: background var(--transition);
}

.nav-toggle-bar::before,
.nav-toggle-bar::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  transition: transform var(--transition);
}

.nav-toggle-bar::before {
  top: -6px;
}

.nav-toggle-bar::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after {
  transform: translateY(-6px) rotate(-45deg);
}

.main-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-md);
  padding: 1rem 1.25rem 1.5rem;
}

.main-nav.is-open {
  display: block;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-list a {
  display: block;
  padding: 0.625rem 0.75rem;
  color: var(--color-gray-800);
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.nav-list a:hover,
.nav-list a:focus-visible,
.nav-list a[aria-current="page"] {
  color: var(--color-accent);
  background: var(--color-gray-100);
}

.header-cta {
  display: none;
}

@media (min-width: 64rem) {
  .nav-toggle {
    display: none;
  }

  .main-nav {
    display: block;
    position: static;
    background: none;
    border: none;
    box-shadow: none;
    padding: 0;
  }

  .nav-list {
    flex-direction: row;
    align-items: center;
    gap: 0.125rem;
  }

  .header-cta {
    display: inline-flex;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 4px 14px var(--color-accent-glow);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-accent-light);
  color: var(--color-white);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  background: var(--color-accent);
  color: var(--color-white);
}

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

.btn-white:hover,
.btn-white:focus-visible {
  background: var(--color-off-white);
  color: var(--color-primary);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn-arrow::after {
  content: "→";
  transition: transform var(--transition);
}

.btn-arrow:hover::after,
.btn-arrow:focus-visible::after {
  transform: translateX(3px);
}

/* Hero */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 45%, var(--color-primary-mid) 100%);
  color: var(--color-white);
  padding: 4rem 0 5rem;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(37, 99, 235, 0.18) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  margin-bottom: 1.25rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 999px;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 18ch;
}

.hero-subtitle {
  margin: 0 0 1.25rem;
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.92);
  max-width: 42rem;
}

.hero-text {
  margin: 0 0 1rem;
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.78);
  max-width: 40rem;
}

.hero-text:last-of-type {
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

.hero-compact {
  padding: 3rem 0 3.5rem;
}

.hero-compact h1 {
  max-width: none;
}

/* Page hero (inner pages) */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  padding: 3rem 0;
}

.page-hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
}

.page-hero .hero-subtitle {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  max-width: 42rem;
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section-alt {
  background: var(--color-off-white);
}

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

.section-header {
  margin-bottom: 2.5rem;
  max-width: 42rem;
}

.section-header.center {
  text-align: center;
  margin-inline: auto;
}

.section-label {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.section-dark .section-label {
  color: var(--color-accent-light);
}

h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.5rem, 3vw, 2.125rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-primary);
  letter-spacing: -0.015em;
}

.section-dark h2,
.section-dark h3 {
  color: var(--color-white);
}

h3 {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-primary);
}

h4 {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-primary);
}

.section-intro {
  margin: 0;
  font-size: 1.0625rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

.section-dark .section-intro {
  color: rgba(255, 255, 255, 0.75);
}

/* Feature lists */
.feature-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.feature-list li {
  position: relative;
  padding-left: 1.75rem;
  color: var(--color-text);
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-accent);
  border-radius: 50%;
}

.section-dark .feature-list li {
  color: rgba(255, 255, 255, 0.88);
}

.feature-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 40rem) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 64rem) {
  .feature-grid.cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Cards */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(37, 99, 235, 0.2);
  transform: translateY(-2px);
}

.card-icon {
  width: 2.75rem;
  height: 2.75rem;
  margin-bottom: 1rem;
  padding: 0.625rem;
  background: rgba(37, 99, 235, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-accent);
}

.card h3 {
  margin-bottom: 0.625rem;
}

.card p {
  margin: 0 0 1.25rem;
  color: var(--color-text-light);
  font-size: 0.9375rem;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-accent);
}

.card-link::after {
  content: "→";
  transition: transform var(--transition);
}

.card-link:hover::after,
.card-link:focus-visible::after {
  transform: translateX(3px);
}

/* Service cards grid */
.services-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 40rem) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 64rem) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Process steps */
.process-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 40rem) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 64rem) {
  .process-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.process-step {
  position: relative;
  padding: 1.5rem;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
}

.process-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--color-white);
  background: var(--color-accent);
  border-radius: var(--radius-md);
}

.process-step h3 {
  font-size: 1.125rem;
}

.process-step p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-light);
}

/* Industries tags */
.tag-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
}

.tag-grid li {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 999px;
}

.section-alt .tag-grid li {
  background: var(--color-white);
}

/* Why section */
.why-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 64rem) {
  .why-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.why-card {
  padding: 2rem;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
}

.why-card h3 {
  margin-bottom: 0.875rem;
}

.why-card p {
  margin: 0 0 1rem;
  color: var(--color-text-light);
}

.why-card .feature-list {
  margin-top: 0;
}

/* FAQ */
.faq-list {
  max-width: 48rem;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-gray-200);
}

.faq-item:first-child {
  border-top: 1px solid var(--color-gray-200);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0;
  font-family: inherit;
  font-size: 1.0625rem;
  font-weight: 700;
  text-align: left;
  color: var(--color-primary);
  background: none;
  border: none;
  cursor: pointer;
}

.faq-question::after {
  content: "+";
  flex-shrink: 0;
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-accent);
  transition: transform var(--transition);
}

.faq-question[aria-expanded="true"]::after {
  content: "−";
}

.faq-answer {
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 0 1.25rem;
  color: var(--color-text-light);
}

.faq-answer[hidden] {
  display: none;
}

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-mid) 100%);
  color: var(--color-white);
  padding: 4rem 0;
  text-align: center;
}

.cta-band h2 {
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

.cta-band p {
  margin: 0 auto 2rem;
  max-width: 36rem;
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.82);
}

/* Two column layout */
.two-col {
  display: grid;
  gap: 2.5rem;
  align-items: start;
}

@media (min-width: 64rem) {
  .two-col {
    grid-template-columns: 1fr 1fr;
  }
}

/* Contact form */
.contact-form {
  display: grid;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
}

.form-group textarea {
  min-height: 8rem;
  resize: vertical;
}

.form-error {
  font-size: 0.8125rem;
  color: #dc2626;
  min-height: 1.25rem;
}

.form-success {
  padding: 1rem 1.25rem;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  border-radius: var(--radius-md);
  color: #065f46;
  font-weight: 500;
}

.form-success[hidden] {
  display: none;
}

.contact-card {
  padding: 2rem;
  background: var(--color-off-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
}

.contact-card h2 {
  font-size: 1.375rem;
}

.contact-card .feature-list {
  margin-top: 1rem;
}

/* Content prose */
.prose {
  max-width: 42rem;
}

.prose p {
  margin: 0 0 1rem;
  color: var(--color-text-light);
}

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

.prose .lead {
  font-size: 1.125rem;
  color: var(--color-text);
}

.mission-statement {
  margin: 1.5rem 0;
  padding: 1.25rem 1.5rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-gray-100);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* Solutions list */
.solutions-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 40rem) {
  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 64rem) {
  .solutions-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.solution-item {
  padding: 1.25rem 1.5rem;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  font-weight: 600;
  color: var(--color-primary);
}

.section-alt .solution-item {
  background: var(--color-white);
}

/* Platform list */
.platform-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
}

.platform-list li {
  padding: 0.625rem 1.125rem;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-primary);
  background: var(--color-off-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
}

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.75);
  padding: 3.5rem 0 0;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 40rem) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 64rem) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr 1.25fr;
  }
}

.footer-brand p {
  margin: 1rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  max-width: 22rem;
}

.footer-heading {
  margin: 0 0 1rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-white);
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--color-white);
}

.footer-bottom {
  padding: 1.5rem 0;
  text-align: center;
}

.footer-trust {
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  max-width: 40rem;
  margin-inline: auto;
}

.footer-copy {
  margin: 0;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-cta {
  margin-top: 0.75rem;
}

/* Utility */
.text-center {
  text-align: center;
}

.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;
}

@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;
  }
}