/* ============================================
   CSS CUSTOM PROPERTIES (VARIABLES)
   ============================================ */
:root {
  /* Colors - Professional tech palette */
  --color-primary: #0066cc;
  --color-primary-dark: #004d99;
  --color-primary-light: #3399ff;
  --color-secondary: #1a1a2e;
  --color-accent: #00d4aa;
  --color-accent-dark: #00b894;

  /* Neutrals */
  --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-gray-800: #1e293b;
  --color-gray-900: #0f172a;
  --color-black: #000000;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  /* Font sizes - fluid typography */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.5rem);
  --text-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3.5rem);
  --text-5xl: clamp(3rem, 2rem + 5vw, 4.5rem);

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

  /* Container */
  --container-max: 1280px;
  --container-padding: clamp(1rem, 5vw, 2rem);

  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

/* ============================================
   CSS RESET
   ============================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

input,
button,
textarea,
select {
  font: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-gray-900);
}

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

ul,
ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-md);
  z-index: 100;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

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

/* Focus visible for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

.section {
  padding-block: var(--space-4xl);
}

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

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

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

/* ============================================
   TYPOGRAPHY UTILITIES
   ============================================ */
.text-center {
  text-align: center;
}

.text-balance {
  text-wrap: balance;
}

.section-title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  max-width: 65ch;
  margin-inline: auto;
}

.section--dark .section-subtitle {
  color: var(--color-gray-300);
}

/* ============================================
   BUTTON STYLES
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  text-decoration: none;
}

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

.btn--primary:hover,
.btn--primary:focus {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

.btn--accent {
  background-color: var(--color-accent);
  color: var(--color-gray-900);
}

.btn--accent:hover,
.btn--accent:focus {
  background-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--large {
  padding: var(--space-lg) var(--space-2xl);
  font-size: var(--text-lg);
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-gray-200);
  transition: box-shadow var(--transition-base);
}

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

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

.logo {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--color-gray-900);
}

.nav {
  display: none;
}

.nav__list {
  display: flex;
  gap: var(--space-xl);
}

.nav__link {
  font-weight: 500;
  color: var(--color-gray-600);
  transition: color var(--transition-fast);
}

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

.header__cta {
  display: none;
}

.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-gray-800);
  transition: all var(--transition-fast);
}

/* Desktop navigation */
@media (min-width: 768px) {
  .nav {
    display: block;
  }

  .header__cta {
    display: block;
  }

  .mobile-menu-btn {
    display: none;
  }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 50%, var(--color-gray-100) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 150%;
  background: radial-gradient(ellipse, rgba(0, 102, 204, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
}

.hero__title {
  font-size: var(--text-5xl);
  font-weight: 800;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

.hero__title-highlight {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: var(--text-xl);
  color: var(--color-gray-600);
  margin-bottom: var(--space-2xl);
  max-width: 600px;
  line-height: 1.7;
}

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

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
  background-color: var(--color-white);
}

.services__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

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

@media (min-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.service-card {
  padding: var(--space-xl);
  background-color: var(--color-gray-50);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  border: 1px solid transparent;
}

.service-card:hover {
  background-color: var(--color-white);
  border-color: var(--color-gray-200);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
}

.service-card__icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-white);
}

.service-card__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-sm);
}

.service-card__description {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: 1.7;
}

/* ============================================
   WHY US / DIFFERENTIATORS SECTION
   ============================================ */
.why-us {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.why-us__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.why-us__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

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

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

.differentiator {
  padding: var(--space-xl);
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
}

.differentiator:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.differentiator__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}

.differentiator__icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-gray-900);
}

.differentiator__title {
  font-size: var(--text-lg);
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.differentiator__description {
  font-size: var(--text-sm);
  color: var(--color-gray-300);
  line-height: 1.7;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
  background-color: var(--color-gray-50);
}

.about__content {
  max-width: 800px;
  margin-inline: auto;
  text-align: center;
}

.about__text {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.about__text:last-of-type {
  margin-bottom: var(--space-2xl);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background-color: var(--color-gray-900);
  color: var(--color-gray-300);
}

.footer__cta-section {
  padding-block: var(--space-4xl);
  text-align: center;
  border-bottom: 1px solid var(--color-gray-800);
}

.footer__cta-title {
  font-size: var(--text-3xl);
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.footer__cta-subtitle {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2xl);
  max-width: 600px;
  margin-inline: auto;
}

.footer__main {
  padding-block: var(--space-3xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

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

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

.footer__brand p {
  font-size: var(--text-sm);
  line-height: 1.7;
  max-width: 300px;
}

.footer__heading {
  font-size: var(--text-base);
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

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

.footer__link {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

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

.footer__contact-item {
  font-size: var(--text-sm);
  margin-bottom: var(--space-sm);
}

.footer__contact-item a {
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.footer__contact-item a:hover,
.footer__contact-item a:focus {
  color: var(--color-white);
}

.footer__social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-gray-800);
  border-radius: var(--radius-md);
  color: var(--color-gray-400);
  transition: all var(--transition-fast);
}

.footer__social-link:hover,
.footer__social-link:focus {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.footer__social-link svg {
  width: 20px;
  height: 20px;
}

.footer__bottom {
  padding-block: var(--space-lg);
  border-top: 1px solid var(--color-gray-800);
  text-align: center;
}

.footer__copyright {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
  .service-card,
  .differentiator,
  .btn {
    transition: transform var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base), border-color var(--transition-base);
  }
}

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

/* ============================================
   PAGE HERO (INNER PAGES)
   ============================================ */
.page-hero {
  padding-top: calc(72px + var(--space-4xl));
  padding-bottom: var(--space-3xl);
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
  text-align: center;
}

.page-hero__title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-md);
}

.page-hero__subtitle {
  font-size: var(--text-xl);
  color: var(--color-gray-600);
  max-width: 600px;
  margin-inline: auto;
}

/* ============================================
   SERVICE DETAIL SECTIONS
   ============================================ */
.service-detail__content {
  max-width: 900px;
  margin-inline: auto;
}

.service-detail__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  flex-shrink: 0;
}

.section--dark .service-detail__icon {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
}

.service-detail__icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-white);
}

.section--dark .service-detail__icon svg {
  color: var(--color-gray-900);
}

.service-detail__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-lg);
}

.service-detail__description {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  line-height: 1.8;
  margin-bottom: var(--space-2xl);
}

.section--dark .service-detail__description {
  color: var(--color-gray-300);
}

.section--alt .service-detail__description {
  color: var(--color-gray-600);
}

.service-detail__features h3,
.service-detail__tech h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-lg);
}

.service-detail__tech {
  margin-top: var(--space-2xl);
}

/* Feature List */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.feature-list li {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding-left: var(--space-lg);
  border-left: 3px solid var(--color-primary);
}

.section--dark .feature-list li {
  border-left-color: var(--color-accent);
}

.feature-list li strong {
  font-size: var(--text-base);
  color: var(--color-gray-900);
}

.section--dark .feature-list li strong {
  color: var(--color-white);
}

.feature-list li span {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: 1.6;
}

.section--dark .feature-list li span {
  color: var(--color-gray-400);
}

/* Tech Tags */
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.tech-tag {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
}

.section--dark .tech-tag {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-gray-200);
}

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

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  text-align: center;
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
}

.cta-section__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-md);
}

.cta-section__text {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-2xl);
}

/* ============================================
   ABOUT PAGE SECTIONS
   ============================================ */
.about-section__content {
  max-width: 800px;
  margin-inline: auto;
}

.about-section__text {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.about-section__text--large {
  font-size: var(--text-xl);
}

/* Values Grid */
.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

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

.value-card {
  padding: var(--space-xl);
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.value-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  flex-shrink: 0;
}

.value-card__icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-white);
}

.value-card__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-sm);
}

.value-card__description {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: 1.7;
}

/* Approach Steps */
.approach-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

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

@media (min-width: 1024px) {
  .approach-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

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

.approach-step__number {
  display: inline-block;
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.approach-step__title {
  font-size: var(--text-xl);
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.approach-step__description {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  line-height: 1.7;
}

/* Tech Categories */
.tech-categories {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

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

.tech-category h3 {
  font-size: var(--text-base);
  color: var(--color-gray-900);
  margin-bottom: var(--space-md);
}

/* ============================================
   CONTACT PAGE
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1.5fr 1fr;
  }
}

/* Contact Form */
.contact-form__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-sm);
}

.contact-form__subtitle {
  font-size: var(--text-base);
  color: var(--color-gray-600);
  margin-bottom: var(--space-2xl);
}

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

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

.form-group--full {
  grid-column: 1 / -1;
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: var(--space-sm);
}

.required {
  color: var(--color-primary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  font-size: var(--text-base);
  color: var(--color-gray-900);
  background-color: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

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

.form-select {
  cursor: pointer;
  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='%2364748b' 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 var(--space-md) center;
  padding-right: var(--space-3xl);
}

.form-textarea {
  resize: vertical;
  min-height: 150px;
}

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

/* Contact Info Sidebar */
.contact-info__card {
  padding: var(--space-xl);
  background-color: var(--color-gray-50);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-xl);
}

.contact-info__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-lg);
}

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

.contact-info__item:last-child {
  margin-bottom: 0;
}

.contact-info__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.contact-info__icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-white);
}

.contact-info__item h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--space-xs);
}

.contact-info__item a,
.contact-info__item p {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}

.contact-info__item a:hover {
  color: var(--color-primary);
}

.contact-info__steps {
  counter-reset: step;
}

.contact-info__steps li {
  position: relative;
  padding-left: var(--space-2xl);
  margin-bottom: var(--space-lg);
}

.contact-info__steps li:last-child {
  margin-bottom: 0;
}

.contact-info__steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: var(--text-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
}

.contact-info__steps li strong {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-gray-900);
  margin-bottom: var(--space-xs);
}

.contact-info__steps li span {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: 1.6;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-section .section-title {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  max-width: 900px;
  margin-inline: auto;
}

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

.faq-item {
  padding: var(--space-xl);
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.faq-item__question {
  font-size: var(--text-base);
  margin-bottom: var(--space-md);
}

.faq-item__answer {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: 1.7;
}

/* ============================================
   ACTIVE NAV LINK
   ============================================ */
.nav__link--active {
  color: var(--color-primary);
  font-weight: 600;
}

/* ============================================
   HERO WITH IMAGE
   ============================================ */
.hero--with-image {
  min-height: auto;
  padding-block: calc(72px + var(--space-4xl)) var(--space-4xl);
}

.hero--with-image .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

@media (min-width: 1024px) {
  .hero--with-image .container {
    grid-template-columns: 1fr 1fr;
  }
}

.hero__image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.hero__image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.hero__image--overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 102, 204, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

/* ============================================
   PAGE HERO WITH IMAGE
   ============================================ */
.page-hero--with-image {
  position: relative;
  padding-top: calc(72px + var(--space-3xl));
  padding-bottom: var(--space-3xl);
  background: var(--color-secondary);
  color: var(--color-white);
  overflow: hidden;
}

.page-hero--with-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 26, 46, 0.95) 0%, rgba(26, 26, 46, 0.8) 100%);
  z-index: 1;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero--with-image .container {
  position: relative;
  z-index: 2;
}

.page-hero--with-image .page-hero__title {
  color: var(--color-white);
}

.page-hero--with-image .page-hero__subtitle {
  color: var(--color-gray-300);
}

/* ============================================
   LIFESTYLE/FEATURE IMAGE SECTIONS
   ============================================ */
.image-text-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

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

  .image-text-section--reverse {
    direction: rtl;
  }

  .image-text-section--reverse > * {
    direction: ltr;
  }
}

.image-text-section__image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.image-text-section__image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.image-text-section__content h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-md);
}

.image-text-section__content p {
  font-size: var(--text-base);
  color: var(--color-gray-600);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

/* ============================================
   TEAM/ABOUT IMAGE GRID
   ============================================ */
.image-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}

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

.image-grid__item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1;
}

.image-grid__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.image-grid__item:hover img {
  transform: scale(1.05);
}