/* ============================================
   Onsite India Tech — Design System
   Global Design System Tokens & Utilities
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@600;700;800&family=Inter:wght@400;500;600&family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@24,400,0,0&display=swap');


/* ── CSS Custom Properties ── */
:root {
  /* Core Identity — Logo Dark Navy */
  --primary: #132d4a;
  --primary-container: #1e3f66;
  --primary-fixed: #d6e4f7;
  --primary-fixed-dim: #a8c4e0;
  --on-primary: #ffffff;
  --on-primary-container: #e8eef6;
  --on-primary-fixed: #0a1929;

  /* Surface Architecture */
  --surface: #f8f9ff;
  --surface-bright: #f8f9ff;
  --surface-container-lowest: #ffffff;
  --surface-container-low: #eff4ff;
  --surface-container: #e5eeff;
  --surface-container-high: #dce9ff;
  --surface-container-highest: #d3e4fe;
  --surface-dim: #cbdbf5;
  --surface-variant: #d3e4fe;

  /* Text & Content */
  --on-surface: #0e2243;
  --on-surface-variant: #444651;
  --on-background: #0b1c30;
  --background: #f8f9ff;
  --outline: #757682;
  --outline-variant: #c4c6d2;

  /* Secondary */
  --secondary: #515f74;
  --secondary-container: #d5e3fd;
  --on-secondary: #ffffff;
  --on-secondary-container: #57657b;

  /* Tertiary — Logo Cyan Accent */
  --tertiary: #3ecbdc;
  --tertiary-container: #2ab5c7;
  --tertiary-fixed: #c8f3fa;
  --tertiary-fixed-dim: #3ecbdc;
  --on-tertiary: #0a1929;
  --on-tertiary-container: #e0f8fc;

  /* Status */
  --error: #ba1a1a;
  --error-container: #ffdad6;
  --on-error: #ffffff;
  --on-error-container: #93000a;
  --success: #2ab5c7;

  /* Inverse / Dark — Footer & Dark Sections */
  --inverse-surface: #0c1e33;
  --inverse-on-surface: #e8eef6;
  --inverse-primary: #3ecbdc;

  /* Typography */
  --font-headline: 'Manrope', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Roundness */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-pill: 9999px;

  /* Shadows */
  --shadow-whisper: 0 4px 32px rgba(11, 28, 48, 0.04);
  --shadow-ambient: 0 8px 48px rgba(11, 28, 48, 0.06);
  --shadow-glass: 0 8px 32px rgba(11, 28, 48, 0.08);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--on-surface);
  background-color: var(--surface);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul,
ol {
  list-style: none;
}

/* ── Typography Scale ── */
.display-lg {
  font-family: var(--font-headline);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--on-surface);
}

.headline-lg {
  font-family: var(--font-headline);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.headline-md {
  font-family: var(--font-headline);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.25;
}

.headline-sm {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.3;
}

.body-lg {
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.7;
}

.body-md {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.body-sm {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.6;
}

.label-lg {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.label-sm {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--secondary);
}

/* ── Layout ── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-8);
}

.section {
  padding: var(--space-20) 0;
}

.section--alt {
  background-color: var(--surface-container-low);
}

.section--gradient {
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  color: var(--on-primary);
}

.section--dark {
  background-color: var(--inverse-surface);
  color: var(--inverse-on-surface);
}

.grid {
  display: grid;
  gap: var(--space-8);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.flex {
  display: flex;
  gap: var(--space-4);
}

.flex-center {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.split-60-40 {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.split-40-60 {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-12);
  align-items: center;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.875rem 2rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  line-height: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  color: var(--on-primary);
  box-shadow: var(--shadow-whisper);
}

.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--on-surface);
  border: 1px solid rgba(196, 198, 210, 0.3);
}

.btn-secondary:hover {
  background-color: var(--surface-container-low);
  border-color: rgba(196, 198, 210, 0.5);
}

.btn-inverted {
  background: var(--surface-container-lowest);
  color: var(--primary);
}

.btn-inverted:hover {
  filter: brightness(0.95);
}

.btn-ghost-light {
  background: transparent;
  color: var(--on-primary);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn .material-symbols-outlined {
  font-size: 1.125rem;
}

/* ── Cards ── */
.card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-whisper);
  transition: all var(--transition-base);
  position: relative;
}

.card:hover {
  box-shadow: var(--shadow-ambient);
  transform: translateY(-2px);
}

.card--accent {
  border-left: 3px solid var(--tertiary);
}

.card--flat {
  box-shadow: none;
  background: var(--surface-container-low);
}

/* ── Glassmorphism ── */
.glass {
  background: rgba(248, 249, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(196, 198, 210, 0.15);
  border-radius: var(--radius-lg);
}

/* ── Ghost Border ── */
.ghost-border {
  border: 1px solid rgba(196, 198, 210, 0.15);
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-4) 0;
  background: rgba(248, 249, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(196, 198, 210, 0.15);
  transition: all var(--transition-base);
}

.nav.scrolled {
  box-shadow: var(--shadow-whisper);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-8);
}

.nav__logo {
  display: flex;

  align-items: center;
  gap: 0.5rem;
  justify-content: center;
  text-decoration: none;
}

.nav__logo-mark {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
}

.nav__logo-text {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--on-surface-variant);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--on-surface-variant);
  text-decoration: none;
  transition: color var(--transition-base);
  position: relative;
  white-space: nowrap;
}

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

.nav__link--active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
}

.nav__cta {
  padding: 0.625rem 1.5rem;
  font-size: 0.875rem;
}

/* Mobile Menu */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav__hamburger span {
  width: 24px;
  height: 2px;
  background-color: var(--on-surface);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav__mobile {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background: rgba(248, 249, 255, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: var(--space-20) var(--space-8);
  flex-direction: column;
  gap: var(--space-6);
  transition: right var(--transition-base);
  box-shadow: -4px 0 32px rgba(11, 28, 48, 0.08);
  z-index: 1001;
}

.nav__mobile.open {
  right: 0;
}

.nav__mobile-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--on-surface);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
}

.nav__mobile-close:hover {
  background: var(--surface-container-low);
}

.nav__mobile .nav__link {
  font-size: 1.125rem;
  padding: var(--space-3) 0;
}

.nav__overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(11, 28, 48, 0.3);
  z-index: 1000;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.nav__overlay.open {
  opacity: 1;
}

/* ── Footer ── */
.footer {
  background-color: var(--inverse-surface);
  color: var(--inverse-on-surface);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__brand-text {
  font-size: 0.875rem;
  color: var(--outline-variant);
  line-height: 1.7;
  margin-top: var(--space-4);
}

.footer__heading {
  font-family: var(--font-headline);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-6);
  color: var(--inverse-on-surface);
}

.footer__link {
  display: block;
  font-size: 0.875rem;
  color: var(--outline-variant);
  padding: var(--space-1) 0;
  transition: color var(--transition-base);
}

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

.footer__newsletter {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.footer__input {
  flex: 1;
  padding: 0.625rem 1rem;
  background: transparent;
  border: 1px solid rgba(196, 198, 210, 0.2);
  border-radius: var(--radius-pill);
  color: var(--inverse-on-surface);
  font-family: var(--font-body);
  font-size: 0.875rem;
  outline: none;
  transition: border-color var(--transition-base);
}

.footer__input::placeholder {
  color: rgba(196, 198, 210, 0.5);
}

.footer__input:focus {
  border-color: var(--inverse-primary);
}

.footer__bottom {
  text-align: center;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(196, 198, 210, 0.1);
  font-size: 0.8125rem;
  color: var(--outline);
}

/* ── Forms ── */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--on-surface-variant);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--on-surface);
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(53, 80, 151, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23444651' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* ── Alerts ── */
.alert {
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-6);
  font-size: 0.9375rem;
}

.alert--success {
  background: rgba(0, 92, 111, 0.1);
  color: var(--tertiary);
  border-left: 3px solid var(--tertiary);
}

.alert--error {
  background: var(--error-container);
  color: var(--on-error-container);
  border-left: 3px solid var(--error);
}

/* ── Decorative ── */
.accent-dot {
  width: 8px;
  height: 8px;
  background-color: var(--tertiary-fixed-dim);
  border-radius: 50%;
  display: inline-block;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(1.2);
  }
}

.stat-number {
  font-family: var(--font-headline);
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--on-surface-variant);
  margin-top: var(--space-1);
}

.tech-badge {
  display: inline-flex;
  padding: 0.375rem 1rem;
  background: var(--secondary-container);
  color: var(--on-secondary-container);
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 500;
}

.icon-circle {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--primary-fixed);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: var(--space-4);
}

.icon-circle .material-symbols-outlined {
  font-size: 28px;
}

.quote-mark {
  font-family: Georgia, serif;
  font-size: 4rem;
  line-height: 1;
  color: var(--primary-fixed);
  opacity: 0.6;
}

/* ── Scroll Animations ── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ── Page Hero ── */
.page-hero {
  padding: calc(80px + var(--space-16)) 0 var(--space-16);
  background: var(--surface-container-low);
}

.page-hero--gradient {
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  color: var(--on-primary);
}

.page-hero .label-sm {
  margin-bottom: var(--space-4);
}

.page-hero .display-lg,
.page-hero .headline-lg {
  margin-bottom: var(--space-6);
  max-width: 700px;
}

.page-hero .body-lg {
  max-width: 600px;
  color: var(--on-surface-variant);
}

.page-hero--gradient .body-lg {
  color: rgba(255, 255, 255, 0.85);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  margin-bottom: var(--space-6);
}

.breadcrumb a {
  color: var(--inverse-primary);
}

.breadcrumb span {
  opacity: 0.5;
}

/* ── Contact Channel Cards ── */
.channel-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--surface-container-lowest);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--tertiary);
  box-shadow: var(--shadow-whisper);
  text-decoration: none;
  transition: all var(--transition-base);
}

.channel-card:hover {
  box-shadow: var(--shadow-ambient);
  transform: translateY(-2px);
}

.channel-card__icon {
  width: 48px;
  height: 48px;
  background: var(--on-tertiary-container);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--tertiary-container);
  flex-shrink: 0;
}

.channel-card__title {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--on-surface-variant);
  margin-bottom: 2px;
}

.channel-card__value {
  font-weight: 600;
  color: var(--on-surface);
}

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

.text-white {
  color: var(--on-primary);
}

.mt-4 {
  margin-top: var(--space-4);
}

.mt-6 {
  margin-top: var(--space-6);
}

.mt-8 {
  margin-top: var(--space-8);
}

.mt-12 {
  margin-top: var(--space-12);
}

.mb-4 {
  margin-bottom: var(--space-4);
}

.mb-6 {
  margin-bottom: var(--space-6);
}

.mb-8 {
  margin-bottom: var(--space-8);
}

.mb-12 {
  margin-bottom: var(--space-12);
}

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

.max-w-700 {
  max-width: 700px;
}

.max-w-800 {
  max-width: 800px;
}

.gap-6 {
  gap: var(--space-6);
}

.gap-8 {
  gap: var(--space-8);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .display-lg {
    font-size: 2.75rem;
  }

  .headline-lg {
    font-size: 2rem;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .split-60-40,
  .split-40-60 {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .display-lg {
    font-size: 2.25rem;
  }

  .headline-lg {
    font-size: 1.75rem;
  }

  .headline-md {
    font-size: 1.5rem;
  }

  .section {
    padding: var(--space-12) 0;
  }

  .container {
    padding: 0 var(--space-4);
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .form-group {
    margin-bottom: var(--space-4);
  }

  .headline-md.mb-8 {
    margin-bottom: var(--space-4);
  }

  .nav__links {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .nav__mobile {
    display: flex;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .page-hero {
    padding: calc(70px + var(--space-10)) 0 var(--space-10);
  }

  .page-hero .headline-lg {
    margin-bottom: var(--space-4);
  }

  .channel-card {
    padding: var(--space-4);
  }

  .card.mt-4 {
    margin-top: var(--space-4);
  }
}

@media (max-width: 480px) {
  .display-lg {
    font-size: 1.875rem;
  }

  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
  }

  .card {
    padding: var(--space-6);
  }
}