/* =============================================================================
   AAGENTO - Design System & Styles
   Swiss Minimalism | Enterprise Grade | Professional
   Updated with new section layouts from reference screenshots
   ============================================================================= */

/* -----------------------------------------------------------------------------
   1. CSS Custom Properties (Design Tokens)
   ----------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-primary: #000000;
  --color-secondary: #4A4A4A;
  --color-muted: #6B7280;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F5F5F7;
  --color-bg-dark: #1A1A1A;
  --color-accent: #00A99D;
  --color-accent-blue: #3B82F6;
  --color-border: #E5E7EB;
  --color-border-dark: #333333;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  /* 12px */
  --font-size-sm: 0.875rem;
  /* 14px */
  --font-size-base: 1rem;
  /* 16px */
  --font-size-lg: 1.125rem;
  /* 18px */
  --font-size-xl: 1.25rem;
  /* 20px */
  --font-size-2xl: 1.5rem;
  /* 24px */
  --font-size-3xl: 2rem;
  /* 32px */
  --font-size-4xl: 2.5rem;
  /* 40px */
  --font-size-5xl: 3.5rem;
  /* 56px */
  --font-size-6xl: 4.5rem;
  /* 72px */
  --font-size-hero: clamp(3rem, 8vw, 5.5rem);
  --font-size-section: clamp(2rem, 5vw, 3rem);

  /* Font Weights */
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-black: 900;

  /* Spacing */
  --spacing-xs: 0.5rem;
  /* 8px */
  --spacing-sm: 1rem;
  /* 16px */
  --spacing-md: 1.5rem;
  /* 24px */
  --spacing-lg: 2rem;
  /* 32px */
  --spacing-xl: 3rem;
  /* 48px */
  --spacing-2xl: 4rem;
  /* 64px */
  --spacing-3xl: 6rem;
  /* 96px */
  --spacing-4xl: 8rem;
  /* 128px */

  /* Layout */
  --max-width: 1200px;
  --container-padding: 1.5rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Borders */
  --border-radius-none: 0;
  --border-radius-sm: 2px;
  --border-radius-md: 4px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: 1.6;
  color: var(--color-primary);
  background-color: var(--color-bg);
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

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

/* -----------------------------------------------------------------------------
   3. Typography
   ----------------------------------------------------------------------------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: var(--font-weight-black);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 {
  font-size: var(--font-size-hero);
}

h2 {
  font-size: var(--font-size-section);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

p {
  color: var(--color-secondary);
  max-width: 65ch;
}

.text-muted {
  color: var(--color-muted);
}

.text-accent {
  color: var(--color-accent);
}

/* Gradient Text */
.text-gradient {
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 50%, var(--color-accent-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Section Label with Number */
.section-number {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--spacing-sm);
}

/* -----------------------------------------------------------------------------
   4. Layout Components
   ----------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

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

.section--large {
  padding: var(--spacing-4xl) 0;
}

/* Two Column Layout */
.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: start;
}

.two-column--sidebar-left {
  grid-template-columns: 320px 1fr;
}

.two-column--sidebar-right {
  grid-template-columns: 1fr 280px;
}

@media (max-width: 968px) {

  .two-column,
  .two-column--sidebar-left,
  .two-column--sidebar-right {
    grid-template-columns: 1fr;
  }
}

/* -----------------------------------------------------------------------------
   5. Navigation
   ----------------------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

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

.nav__logo {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-black);
  letter-spacing: 0.05em;
  /* text-transform: uppercase; */
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav__link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  transition: color var(--transition-base);
}

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

.nav__cta {
  margin-left: var(--spacing-md);
}

.nav__toggle {
  display: none;
  width: 24px;
  height: 24px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.nav__toggle span {
  display: block;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition-base);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .nav__menu {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    gap: var(--spacing-md);
    align-items: center;
  }

  .nav__menu.is-active {
    display: flex;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__cta {
    margin-left: 0;
    margin-top: var(--spacing-sm);
    width: auto;
  }

  /* Make the button in nav CTA outlined on mobile for better visibility */
  .nav__cta .btn {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    padding: 0.75rem 2rem;
  }

  .nav__cta .btn:hover {
    background: var(--color-primary);
    color: var(--color-bg);
  }
}

/* -----------------------------------------------------------------------------
   6. Buttons & Tags
   ----------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--border-radius-none);
  transition: all var(--transition-base);
  cursor: pointer;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-bg);
  border: 2px solid var(--color-primary);
}

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

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-bg);
}

.btn--small {
  padding: 0.625rem 1.25rem;
  font-size: var(--font-size-xs);
}

/* Tag Pills */
.tag {
  display: inline-block;
  padding: 0.625rem 1rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border: 1px solid var(--color-primary);
  background: transparent;
}

.tag--filled {
  background: var(--color-primary);
  color: var(--color-bg);
  border-color: var(--color-primary);
}

/* -----------------------------------------------------------------------------
   7. Hero Section
   ----------------------------------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
}

.hero__content {
  max-width: 800px;
}

.hero__title {
  margin-bottom: var(--spacing-lg);
}

.hero__title-line {
  display: block;
}

.hero__title-accent {
  font-style: italic;
}

.hero__description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
  max-width: 550px;
}

.hero__actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.hero__divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
  margin-top: var(--spacing-2xl);
}

/* Hero Background Image - Desktop: Right side, Mobile: Full background */
.hero__bg-image {
  --tilt-progress: 0;
  position: absolute;
  top: 0;
  right: 0;
  width: 55%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
  perspective: 1000px;
}

.hero__bg-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform:
    rotateY(calc(-8deg * (1 - var(--tilt-progress)))) scale(calc(1.05 + (0.05 * var(--tilt-progress))));
  transform-origin: left center;
  transition: transform 0.15s ease-out;
}

/* Gradient overlay on desktop to blend image with content */
.hero__bg-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(to right, var(--color-bg) 0%, transparent 100%);
  z-index: 1;
}

/* Hero content needs higher z-index */
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 550px;
}

/* Responsive Hero Background */
@media (max-width: 968px) {
  .hero__bg-image {
    width: 100%;
    left: 0;
    opacity: 0.15;
  }

  .hero__bg-image::before {
    display: none;
  }

  .hero__bg-image img {
    transform: none;
  }

  .hero__content {
    max-width: 100%;
    text-align: center;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__description {
    margin-left: auto;
    margin-right: auto;
  }
}

/* -----------------------------------------------------------------------------
   8. Dark Sidebar Card (Execution Intelligence Style)
   ----------------------------------------------------------------------------- */
.sidebar-card {
  background: var(--color-bg-dark);
  color: var(--color-bg);
  padding: var(--spacing-xl);
  min-height: 400px;
}

.sidebar-card__icon {
  display: flex;
  gap: 4px;
  margin-bottom: var(--spacing-lg);
}

.sidebar-card__icon span {
  width: 4px;
  height: 24px;
  background: var(--color-bg);
}

.sidebar-card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.02em;
}

.sidebar-card__subtitle {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-xl);
  line-height: 1.5;
}

.sidebar-card__list {
  display: flex;
  flex-direction: column;
}

.sidebar-card__item {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  border-top: 1px solid var(--color-border-dark);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.sidebar-card__item:last-child {
  border-bottom: 1px solid var(--color-border-dark);
}

.sidebar-card__number {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
}

/* -----------------------------------------------------------------------------
   9. Key Capabilities Sidebar
   ----------------------------------------------------------------------------- */
.capabilities-sidebar {
  border-left: 2px solid var(--color-primary);
  padding-left: var(--spacing-lg);
}

.capabilities-sidebar__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-lg);
  line-height: 1.4;
}

.capabilities-sidebar__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.capabilities-sidebar__item {
  position: relative;
}

.capabilities-sidebar__number {
  font-size: var(--font-size-xs);
  color: var(--color-muted);
  margin-bottom: var(--spacing-xs);
}

.capabilities-sidebar__text {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.4;
}

/* -----------------------------------------------------------------------------
   10. Solution Section Content
   ----------------------------------------------------------------------------- */
.solution-content {
  max-width: 600px;
}

.solution-content__description {
  font-size: var(--font-size-base);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

/* Subtitle with gradient effect */
.solution-subtitle {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-2xl);
}

/* -----------------------------------------------------------------------------
   11. Feature Cards Grid (Maintenance Section Style)
   ----------------------------------------------------------------------------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  align-items: stretch;
}

@media (max-width: 968px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

.feature-box {
  display: flex;
  flex-direction: column;
  padding: var(--spacing-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  transition: border-color var(--transition-base);
  min-height: 180px;
}

.feature-box:hover {
  border-color: var(--color-primary);
}

.feature-box__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.feature-box__text {
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
  line-height: 1.6;
  flex-grow: 1;
}

/* -----------------------------------------------------------------------------
   12. Highlight Section (Lifecycle Cost Analysis Style)
   ----------------------------------------------------------------------------- */
.highlight-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

@media (max-width: 768px) {
  .highlight-section {
    grid-template-columns: 1fr;
  }
}

.highlight-card {
  padding: var(--spacing-xl);
  background: var(--color-bg-alt);
}

.highlight-card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.highlight-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
  line-height: 1.7;
}

/* Arrow Link Cards */
.link-cards {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.link-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  transition: all var(--transition-base);
  cursor: pointer;
}

.link-card:hover {
  border-color: var(--color-primary);
  background: var(--color-bg-alt);
}

.link-card__text {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.link-card__arrow {
  font-size: var(--font-size-lg);
  transition: transform var(--transition-base);
}

.link-card:hover .link-card__arrow {
  transform: translateX(4px);
}

/* -----------------------------------------------------------------------------
   13. Section Styles (Updated)
   ----------------------------------------------------------------------------- */
.section__header {
  margin-bottom: var(--spacing-2xl);
}

.section__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.section__title {
  margin-bottom: var(--spacing-md);
}

.section__description {
  font-size: var(--font-size-lg);
}

/* Content Grid */
.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

/* Legacy Feature Cards */
.feature-card {
  padding: var(--spacing-lg);
  background: var(--color-bg-alt);
  border-left: 3px solid var(--color-accent);
}

.feature-card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
}

.feature-card__description {
  font-size: var(--font-size-base);
}

/* Industry Cards */
.industry-card {
  padding: var(--spacing-xl);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}

.industry-card__title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-sm);
}

.industry-card__subtitle {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.industry-card__description {
  margin-bottom: var(--spacing-md);
}

/* Phase Card List Items */
.phase-card__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.phase-card__list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
}

.phase-card__list-item::before {
  content: "•";
  color: var(--color-accent);
  font-weight: bold;
}

/* -----------------------------------------------------------------------------
   14. About Section
   ----------------------------------------------------------------------------- */
.about__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: start;
}

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

.about__text {
  font-size: var(--font-size-lg);
}

.about__text p+p {
  margin-top: var(--spacing-md);
}

/* Compliance Box */
.compliance-box {
  padding: var(--spacing-lg);
  background: var(--color-bg-alt);
  border-left: 3px solid var(--color-primary);
}

.compliance-box__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-md);
}

.compliance-box__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.compliance-box__item {
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
}

/* -----------------------------------------------------------------------------
   15. Footer
   ----------------------------------------------------------------------------- */
.footer {
  padding: var(--spacing-2xl) 0;
  border-top: 1px solid var(--color-border);
}

.footer__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer__logo {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-black);
  letter-spacing: 0.05em;
  /* text-transform: uppercase; */
}

.footer__text {
  font-size: var(--font-size-sm);
  color: var(--color-muted);
}

.footer__links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer__link {
  font-size: var(--font-size-sm);
  color: var(--color-muted);
  transition: color var(--transition-base);
}

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

/* -----------------------------------------------------------------------------
   16. Utility Classes
   ----------------------------------------------------------------------------- */
.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;
}

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

.mt-sm {
  margin-top: var(--spacing-sm);
}

.mt-md {
  margin-top: var(--spacing-md);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mt-xl {
  margin-top: var(--spacing-xl);
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.mb-xl {
  margin-bottom: var(--spacing-xl);
}

/* -----------------------------------------------------------------------------
   17. Responsive Adjustments
   ----------------------------------------------------------------------------- */

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
  :root {
    --font-size-hero: clamp(2.5rem, 6vw, 4rem);
    --font-size-section: clamp(1.75rem, 4vw, 2.5rem);
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
  }

  .two-column--sidebar-left {
    grid-template-columns: 280px 1fr;
  }

  .two-column--sidebar-right {
    grid-template-columns: 1fr 220px;
  }

  .sidebar-card {
    min-height: 350px;
  }
}

/* Tablet Portrait & Large Mobile (768px) */
@media (max-width: 768px) {
  :root {
    --font-size-hero: clamp(2rem, 10vw, 2.75rem);
    --font-size-section: clamp(1.5rem, 6vw, 2rem);
    --spacing-3xl: 3rem;
    --spacing-4xl: 4rem;
    --container-padding: 1.25rem;
  }

  /* Hero adjustments */
  .hero {
    margin-top: 40px;
    min-height: auto;
    padding-bottom: var(--spacing-2xl);
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }

  /* Two column layouts stack */
  .two-column,
  .two-column--sidebar-left,
  .two-column--sidebar-right {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  /* Reverse order for sidebar-right on mobile so sidebar appears after content */
  .two-column--sidebar-right {
    display: flex;
    flex-direction: column;
  }

  .two-column--sidebar-right .capabilities-sidebar {
    order: 2;
    border-left: none;
    border-top: 2px solid var(--color-primary);
    padding-left: 0;
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-lg);
  }

  /* Dark sidebar card full width */
  .sidebar-card {
    min-height: auto;
    padding: var(--spacing-lg);
  }

  /* Feature grid single column */
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-box {
    min-height: auto;
  }

  /* Highlight section stacks */
  .highlight-section {
    grid-template-columns: 1fr;
  }

  /* Industry cards stack */
  .content-grid {
    grid-template-columns: 1fr !important;
    gap: var(--spacing-lg);
  }

  /* About section stacks */
  .about__content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  /* Tags wrap properly */
  .tag {
    display: inline-block;
    max-width: 100%;
  }

  /* Footer stacks */
  .footer__content {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-lg);
  }

  .footer__links {
    justify-content: center;
  }
}

/* Mobile (480px and below) */
@media (max-width: 480px) {
  :root {
    --font-size-hero: clamp(1.75rem, 10vw, 2.25rem);
    --font-size-section: clamp(1.25rem, 6vw, 1.75rem);
    --font-size-2xl: 1.25rem;
    --spacing-3xl: 2.5rem;
    --spacing-4xl: 3rem;
    --container-padding: 1rem;
  }

  /* Navigation */
  .nav__container {
    height: 60px;
  }

  .nav__logo {
    font-size: var(--font-size-lg);
  }

  .nav__menu {
    top: 60px;
  }

  /* Hero padding on mobile */
  .hero {
    padding-top: 100px;
  }

  .hero__description {
    font-size: var(--font-size-base);
  }

  /* Section padding reduced */
  .section {
    padding: var(--spacing-2xl) 0;
  }

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

  /* Industry cards */
  .industry-card {
    padding: var(--spacing-lg);
  }

  .industry-card__title {
    font-size: var(--font-size-xl);
  }

  /* Phase card list items */
  .phase-card__list-item {
    font-size: var(--font-size-xs);
  }

  /* Feature box */
  .feature-box {
    padding: var(--spacing-md);
  }

  .feature-box__title {
    font-size: var(--font-size-sm);
  }

  /* Link cards */
  .link-card {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .link-card__text {
    font-size: var(--font-size-xs);
  }

  /* Highlight card */
  .highlight-card {
    padding: var(--spacing-lg);
  }

  .highlight-card__title {
    font-size: var(--font-size-lg);
  }

  /* Sidebar card */
  .sidebar-card {
    padding: var(--spacing-lg);
  }

  .sidebar-card__title {
    font-size: var(--font-size-lg);
  }

  /* Buttons */
  .btn {
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-xs);
  }

  /* Tags */
  .tag {
    font-size: var(--font-size-xs);
    padding: 0.5rem 0.75rem;
  }

  /* Capabilities sidebar on mobile */
  .capabilities-sidebar__title {
    font-size: var(--font-size-xs);
  }

  .capabilities-sidebar__text {
    font-size: var(--font-size-xs);
  }

  .capabilities-sidebar__list {
    gap: var(--spacing-md);
  }

  /* Solution content */
  .solution-content__description {
    font-size: var(--font-size-sm);
  }

  /* Section headers */
  .section-number {
    font-size: var(--font-size-xs);
  }

  /* Compliance box */
  .compliance-box {
    padding: var(--spacing-md);
  }

  .compliance-box__title {
    font-size: var(--font-size-base);
  }
}

/* -----------------------------------------------------------------------------
   18. Reduced Motion
   ----------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* -----------------------------------------------------------------------------
   19. Focus States (Accessibility)
   ----------------------------------------------------------------------------- */
*:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

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

/* -----------------------------------------------------------------------------
   20. Modal Styles
   ----------------------------------------------------------------------------- */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.modal.is-open {
  opacity: 1;
  visibility: visible;
}

.modal__backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.modal__container {
  position: relative;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  overflow-y: auto;
  transform: translateY(20px) scale(0.98);
  transition: transform var(--transition-slow);
}

.modal.is-open .modal__container {
  transform: translateY(0) scale(1);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}

.modal__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.02em;
  margin: 0;
}

.modal__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--color-primary);
}

.modal__close:hover {
  background: var(--color-primary);
  color: var(--color-bg);
  border-color: var(--color-primary);
}

.modal__body {
  padding: var(--spacing-xl);
}

.modal__description {
  font-size: var(--font-size-base);
  color: var(--color-secondary);
  margin-bottom: var(--spacing-lg);
}

/* -----------------------------------------------------------------------------
   21. Demo Form Styles
   ----------------------------------------------------------------------------- */
.demo-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

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

.demo-form__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
}

.demo-form__required {
  color: #DC2626;
}

.demo-form__input,
.demo-form__textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-primary);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.demo-form__input:focus,
.demo-form__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

.demo-form__input::placeholder,
.demo-form__textarea::placeholder {
  color: var(--color-muted);
}

.demo-form__input.is-error,
.demo-form__textarea.is-error {
  border-color: #DC2626;
}

.demo-form__textarea {
  resize: vertical;
  min-height: 100px;
}

.demo-form__error {
  font-size: var(--font-size-xs);
  color: #DC2626;
  min-height: 1rem;
}

.demo-form__submit {
  margin-top: var(--spacing-sm);
  width: 100%;
  position: relative;
}

.demo-form__submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.demo-form__submit-loading {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

/* Spinner Animation */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

/* Success State */
.demo-form__success {
  text-align: center;
  padding: var(--spacing-lg) 0;
}

.demo-form__success-icon {
  margin-bottom: var(--spacing-md);
}

.demo-form__success-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.demo-form__success-text {
  font-size: var(--font-size-base);
  color: var(--color-secondary);
  margin-bottom: var(--spacing-lg);
}

.demo-form__success-close {
  min-width: 150px;
}

/* Modal Responsive Styles */
@media (max-width: 768px) {
  .modal {
    padding: var(--spacing-sm);
  }

  .modal__container {
    max-height: 95vh;
  }

  .modal__header {
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .modal__title {
    font-size: var(--font-size-lg);
  }

  .modal__body {
    padding: var(--spacing-lg);
  }

  .demo-form__input,
  .demo-form__textarea {
    padding: 0.75rem 0.875rem;
    font-size: var(--font-size-base);
  }
}

@media (max-width: 480px) {
  .modal__header {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .modal__close {
    width: 36px;
    height: 36px;
  }

  .modal__close svg {
    width: 20px;
    height: 20px;
  }

  .modal__body {
    padding: var(--spacing-md);
  }

  .modal__description {
    font-size: var(--font-size-sm);
  }

  .demo-form__label {
    font-size: var(--font-size-xs);
  }

  .demo-form__success-title {
    font-size: var(--font-size-lg);
  }

  .demo-form__success-text {
    font-size: var(--font-size-sm);
  }
}