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

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  padding-bottom: calc(4.5rem + env(safe-area-inset-bottom, 0px));
}

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

/* Design tokens */
:root {
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #4a4a4a;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-border: #e5e5e5;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --font-mono: ui-monospace, "Cascadia Code", "Source Code Pro", monospace;
  --radius: 0.375rem;
  --header-height: 5.75rem;
  --content-max: 42rem;
  --content-wide: 56rem;
  --content-narrow: 28rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #121212;
    --color-surface: #1e1e1e;
    --color-text: #f0f0f0;
    --color-text-muted: #b0b0b0;
    --color-accent: #60a5fa;
    --color-accent-hover: #93c5fd;
    --color-border: #333333;
  }
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 100;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-accent);
  color: var(--color-surface);
  text-decoration: none;
  border-radius: var(--radius);
}

.skip-link:focus {
  left: var(--space-md);
  top: var(--space-md);
  outline: 2px solid var(--color-text);
  outline-offset: 2px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  max-width: 72rem;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  min-height: var(--header-height);
}

.site-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
}

.site-logo__img {
  display: block;
  height: 4.5rem;
  width: auto;
  max-width: min(24rem, 90vw);
  object-fit: contain;
}

.site-logo:hover .site-logo__img,
.site-logo:focus-visible .site-logo__img {
  opacity: 0.88;
}

.site-logo:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: var(--radius);
}

/* Nav toggle: visible only on narrow viewports */
.nav-toggle {
  display: none;
  padding: var(--space-sm) var(--space-md);
  font: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  margin: 0;
  padding: 0;
  list-style: none;
  justify-content: flex-end;
}

.site-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  color: var(--color-accent);
  font-weight: 600;
}

.site-nav a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

@media (max-width: 40rem) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: var(--space-md) var(--space-lg);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-0.25rem);
    transition: opacity 0.15s ease, visibility 0.15s ease, transform 0.15s ease;
  }

  .site-nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .site-header__inner {
    position: relative;
    flex-wrap: wrap;
  }

  .site-nav {
    order: 3;
    flex-basis: 100%;
  }

  .site-nav__list {
    flex-direction: column;
  }
}

/* Main */
#main {
  flex: 1;
}

.hero {
  padding: var(--space-2xl) var(--space-lg);
}

.hero__inner {
  max-width: var(--content-max);
  margin: 0 auto;
}

.hero h1 {
  margin: 0 0 var(--space-md);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
}

.hero__lead {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 1.0625rem;
}

.section {
  padding: 0 var(--space-lg) var(--space-2xl);
}

.section__inner {
  max-width: var(--content-max);
  margin: 0 auto;
}

.section h2 {
  margin: 0 0 var(--space-md);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
}

.section__text {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 1rem;
}

.section__text strong {
  color: var(--color-text);
  font-weight: 600;
}

.section--surface {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
  padding-block: var(--space-2xl);
}

.section--flush {
  padding-inline: 0;
}

.section--flush .section__inner--wide {
  padding-inline: var(--space-lg);
}

.section__inner--wide {
  max-width: var(--content-wide);
}

.section__inner--narrow {
  max-width: var(--content-narrow);
}

.section__cta {
  margin: var(--space-xl) 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
}

.page-header {
  padding: var(--space-xl) var(--space-lg) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.page-header__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}

.page-header h1 {
  margin: 0 0 var(--space-md);
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 700;
  line-height: 1.2;
}

.page-header__lead {
  margin: 0;
  max-width: var(--content-max);
  color: var(--color-text-muted);
  font-size: 1.0625rem;
}

.prose h2 {
  margin: 0 0 var(--space-md);
  font-size: 1.25rem;
  font-weight: 600;
}

.prose p {
  margin: 0 0 var(--space-md);
  color: var(--color-text-muted);
}

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

.prose a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

.checklist {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--color-text-muted);
}

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

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

.callout {
  margin: 0;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.pricing-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  line-height: 1.45;
}

.pricing-table th,
.pricing-table td {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--color-border);
}

.pricing-table thead th {
  background: var(--color-surface);
  font-weight: 600;
  color: var(--color-text);
}

.pricing-table tbody th[scope="row"] {
  font-weight: 600;
  color: var(--color-text);
  width: 22%;
  min-width: 10rem;
}

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

.pricing-table__hint {
  display: block;
  margin-top: var(--space-sm);
  font-size: 0.8125rem;
  opacity: 0.95;
}

.button {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  font: inherit;
  font-weight: 600;
  color: var(--color-surface);
  background: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
}

.button:hover,
.button:focus-visible {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-surface);
}

.button:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 2px;
}

.button--ghost {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-border);
}

.button--ghost:hover,
.button--ghost:focus-visible {
  background: var(--color-bg);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

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

@media (min-width: 40rem) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  margin: 0;
  padding: var(--space-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.card__title {
  margin: 0 0 var(--space-sm);
  font-size: 1.0625rem;
  font-weight: 600;
}

.card__text {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.contact-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--color-text-muted);
}

.contact-list li {
  margin-bottom: var(--space-sm);
}

.contact-form,
.careers-form {
  margin-top: var(--space-lg);
  padding: var(--space-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.form-field input[type="file"] {
  padding: var(--space-sm);
  font-size: 0.875rem;
}

.form-hint {
  margin: var(--space-xs) 0 0;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.section__text--after-heading {
  margin-top: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.job-openings {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 48rem) {
  .job-openings {
    grid-template-columns: repeat(3, 1fr);
  }
}

.job-card {
  margin: 0;
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.job-card__title {
  margin: 0 0 var(--space-sm);
  font-size: 1.125rem;
  font-weight: 600;
}

.job-card__meta {
  margin: 0 0 var(--space-md);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.job-card__badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-accent);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.job-card__text {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.form-note {
  margin: 0 0 var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

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

.form-field label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
  font-size: 0.875rem;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  max-width: 100%;
  padding: var(--space-sm) var(--space-md);
  font: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.form-field textarea {
  resize: vertical;
  min-height: 6rem;
}

.label-required {
  color: var(--color-accent);
  font-weight: 700;
}

.label-optional {
  font-weight: 400;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.form-feedback {
  margin: 0 0 var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius);
  font-size: 0.9375rem;
}

.form-feedback--success {
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.45);
  color: var(--color-text);
}

.form-feedback--error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.45);
  color: var(--color-text);
}

.section__text code,
.form-note code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  padding: 0.1em 0.3em;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

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

.faq-list {
  margin: 0;
}

.faq-item {
  margin: 0;
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item__q {
  margin: 0 0 var(--space-sm);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
}

.faq-item__a {
  margin: 0;
  color: var(--color-text-muted);
}

.faq-item__a a {
  color: var(--color-accent);
}

.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;
}

/* WhatsApp floating button (wa.me — sales number +91 India) */
.whatsapp-widget {
  position: fixed;
  bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
  right: calc(1rem + env(safe-area-inset-right, 0px));
  z-index: 50;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.65rem 1rem;
  background: #25d366;
  color: #fff;
  border-radius: 9999px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1;
}

.whatsapp-widget:hover {
  background: #20bd5a;
  color: #fff;
}

.whatsapp-widget:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 3px;
  color: #fff;
}

.whatsapp-widget__icon {
  flex-shrink: 0;
}

@media (max-width: 22rem) {
  .whatsapp-widget__text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .whatsapp-widget {
    padding: 0.75rem;
    border-radius: 50%;
  }
}

/* Footer */
.site-footer {
  margin-top: auto;
  padding: var(--space-lg);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.site-footer__copy {
  margin: 0;
  max-width: 72rem;
  margin-inline: auto;
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.site-footer__brand {
  font-weight: 600;
  color: var(--color-text);
}