@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Sans+Devanagari:wght@400;500;600;700&display=swap');

:root {
  --color-primary-accent: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-secondary-accent: #0d9488;
  --color-success: #16a34a;
  --color-warning: #d97706;
  --color-error: #dc2626;
  --focus-ring-color: #3b82f6;
  --font-family-base: 'Inter', 'Noto Sans Devanagari', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius-card: 8px;
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-surface: #ffffff;
  --bg-muted: #eef4fb;
  --bg-nav: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --border-color: #dbe4ef;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 12px 30px rgba(15, 23, 42, 0.10);
  --footer-icon-filter: none;
}

[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-surface: #1e293b;
  --bg-muted: #111c2f;
  --bg-nav: #0f172a;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --border-color: #334155;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 12px 30px rgba(0, 0, 0, 0.35);
  --footer-icon-filter: invert(1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-family-base);
  line-height: 1.6;
  letter-spacing: 0;
}

main {
  flex: 1 0 auto;
}

a {
  color: var(--color-primary-accent);
}

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

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

p {
  color: var(--text-secondary);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 10px;
  z-index: 9999;
  padding: 12px 20px;
  border-radius: 6px;
  background: #0ea5e9;
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  top: 10px;
  color: #ffffff;
}

:focus-visible {
  outline: 3px solid var(--focus-ring-color) !important;
  outline-offset: 2px !important;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-nav);
  border-bottom: 1px solid var(--border-color);
}

.navbar {
  min-height: 76px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  color: var(--text-primary);
  font-weight: 700;
  text-decoration: none;
}

.brand-logo:hover {
  color: var(--text-primary);
}

.brand-logo-img,
.footer-brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  flex: 0 0 auto;
}

.brand-lockup {
  display: grid;
  gap: 1px;
}

.brand-name {
  color: var(--text-primary);
  font-weight: 700;
}

.brand-subtitle {
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 500;
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-radius: 6px;
  color: var(--text-secondary);
  font-weight: 600;
  padding: 0.5rem 0.7rem;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary-accent);
  background: rgba(37, 99, 235, 0.1);
}

.navbar-toggler {
  border: 1px solid var(--border-color);
  box-shadow: none;
}

.btn-primary-custom,
.btn-secondary-custom {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary-custom {
  padding: 0.75rem 1.25rem;
  background: var(--color-primary-accent);
  color: #ffffff;
}

.btn-primary-custom:hover {
  background: var(--color-primary-hover);
  color: #ffffff;
}

.btn-secondary-custom {
  padding: 0.65rem 1rem;
  border-color: var(--border-color);
  background: transparent;
  color: var(--text-primary);
}

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

.icon-button {
  width: 44px;
  padding-inline: 0;
}

svg,
.btn-icon-text svg,
.icon-button svg,
.nav-link svg,
.btn-primary-custom svg,
.btn-secondary-custom svg,
.feature-card svg,
.check-list svg,
.contact-list svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.dropdown-menu {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.dropdown-item {
  color: var(--text-primary);
  min-height: 44px;
  display: flex;
  align-items: center;
}

.dropdown-item:hover,
.dropdown-item:focus {
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-primary-accent);
}

.hero-section,
.page-hero,
.section-shell,
.cta-band {
  padding: clamp(3rem, 7vw, 6rem) 0;
}

.section-muted {
  background: var(--bg-muted);
  border-block: 1px solid var(--border-color);
}

.hero-grid,
.page-hero-grid,
.cta-inner,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.narrow-container {
  max-width: 820px;
}

.hero-copy h1,
.page-hero h1,
.foundation-copy h1,
.narrow-container h1 {
  max-width: 860px;
  margin: 0 0 1rem;
  font-size: clamp(2.2rem, 5vw, 3.75rem);
  line-height: 1.16;
  font-weight: 700;
  letter-spacing: 0;
}

.hero-subtitle {
  margin: 0 0 1rem;
  color: var(--text-primary);
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  font-weight: 600;
}

.eyebrow,
.project-meta,
.small-label {
  margin: 0 0 0.75rem;
  color: var(--color-secondary-accent);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}

.lead-text {
  max-width: 820px;
  margin: 0 0 1.5rem;
  color: var(--text-secondary);
  font-size: 1.125rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.compact-actions {
  gap: 0.5rem;
}

.auth-panel {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-color);
}

.auth-panel h2 {
  font-size: 1.1rem;
}

.auth-panel form {
  margin: 0;
}

.hero-evidence,
.availability-panel,
.form-card,
.tabs-card,
.status-panel,
.architecture-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  padding: clamp(1.25rem, 3vw, 2rem);
}

.hero-logo {
  width: 160px;
  height: 160px;
  object-fit: contain;
  display: block;
  margin-bottom: 1.5rem;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 2rem;
}

.section-heading h2,
.cta-inner h2,
.availability-panel h2 {
  margin-bottom: 0.75rem;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  line-height: 1.25;
  font-weight: 700;
}

.split-heading {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  max-width: none;
}

.feature-grid,
.project-grid,
.cert-grid,
.evidence-strip {
  display: grid;
  gap: 1.5rem;
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-grid.two-col,
.project-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.evidence-strip {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card,
.project-card,
.mini-card,
.cert-card,
.case-section {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
}

.feature-card {
  min-height: 100%;
}

.feature-card > svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary-accent);
  margin-bottom: 1rem;
}

.feature-card h3,
.project-card h3,
.mini-card h3,
.cert-card h3,
.case-section h2,
.contact-list h3,
.form-card h2,
.hero-evidence h2 {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
  line-height: 1.35;
  font-weight: 700;
}

.feature-card p,
.project-card p,
.mini-card p,
.cert-card p,
.case-section p,
.contact-list p,
.form-note {
  margin-bottom: 1rem;
}

.feature-card ul,
.case-section ul,
.resume-sheet ul {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  color: var(--text-secondary);
}

.service-card li + li,
.case-section li + li,
.resume-sheet li + li {
  margin-top: 0.35rem;
}

.project-card {
  padding: 0;
  overflow: hidden;
}

.project-card img,
.project-figure img,
.wide-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--bg-muted);
}

.project-card-body {
  padding: 1.5rem;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.badge-custom {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  border: 1px solid rgba(13, 148, 136, 0.45);
  background: rgba(13, 148, 136, 0.12);
  color: var(--text-primary);
  padding: 0.25rem 0.65rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.card-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  font-weight: 700;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.8rem;
}

.check-list.columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.check-list li {
  display: flex;
  gap: 0.65rem;
  color: var(--text-secondary);
}

.check-list svg {
  margin-top: 0.2rem;
  color: var(--color-success);
}

.portrait-frame,
.project-figure,
.wide-figure {
  margin: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.portrait-frame img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

figcaption {
  padding: 0.75rem 1rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.timeline-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
}

.timeline-list li {
  padding: 1.25rem;
  border-left: 4px solid var(--color-primary-accent);
  background: var(--bg-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
}

.timeline-list span,
.project-status {
  color: var(--text-secondary);
  font-weight: 700;
}

.timeline-list h3 {
  margin: 0.25rem 0;
  font-size: 1.2rem;
}

.availability-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 2rem;
}

.case-study-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.cert-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.cert-tab {
  min-height: 44px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: transparent;
  color: var(--text-primary);
  padding: 0.65rem 1rem;
  font-weight: 700;
}

.cert-tab.active {
  border-color: var(--color-primary-accent);
  background: rgba(37, 99, 235, 0.12);
  color: var(--color-primary-accent);
}

.cert-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cert-card dl {
  display: grid;
  gap: 0.5rem;
  margin: 0;
}

.cert-card dt {
  color: var(--text-primary);
  font-weight: 700;
}

.cert-card dd {
  margin: 0;
  color: var(--text-secondary);
}

.contact-grid {
  align-items: start;
}

.contact-list {
  display: grid;
  gap: 1rem;
}

.contact-list article {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
}

.contact-list svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary-accent);
  margin-top: 0.25rem;
}

.form-field {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.form-field label {
  font-weight: 700;
}

.form-field input,
.form-field textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-primary);
  color: var(--text-primary);
  padding: 0.75rem;
}

.form-field p,
.form-alert {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.form-alert:not(:empty) {
  margin-bottom: 1rem;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: rgba(37, 99, 235, 0.1);
}

.resume-sheet section + section {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.resume-sheet h2 {
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.resume-sheet h3 {
  margin: 1rem 0 0.25rem;
  font-size: 1.1rem;
}

.cta-band {
  background: var(--bg-muted);
  border-top: 1px solid var(--border-color);
}

.cta-inner {
  grid-template-columns: minmax(0, 1fr) auto;
}

.foundation-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 32px;
  align-items: start;
}

.status-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.status-list li {
  display: flex;
  gap: 10px;
  color: var(--text-secondary);
}

.status-list svg {
  margin-top: 3px;
  color: var(--color-success);
}

.architecture-panel {
  margin-top: 32px;
}

.architecture-list {
  margin: 0;
  padding-left: 1.5rem;
  color: var(--text-secondary);
}

.architecture-list li + li {
  margin-top: 0.5rem;
}

.site-footer {
  background: var(--bg-nav);
  border-top: 1px solid var(--border-color);
  padding: 2rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 1.2fr) minmax(180px, 0.7fr) minmax(220px, 0.8fr);
  gap: 1.5rem;
  align-items: start;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-title,
.footer-copy,
.footer-note {
  margin: 0;
}

.footer-title {
  font-weight: 700;
}

.footer-note,
.footer-copy {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

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

.footer-links a {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
}

.footer-contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
}

.footer-contact-list a {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.25rem 0;
  color: var(--text-primary);
  text-decoration: none;
}

.footer-contact-list a:hover {
  color: var(--color-primary-accent);
  text-decoration: underline;
}

.footer-contact-list img {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  filter: var(--footer-icon-filter, none);
}

@media (max-width: 1199.98px) {
  .feature-grid,
  .evidence-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 991.98px) {
  .header-actions {
    margin-left: auto;
  }

  .navbar-collapse {
    padding: 1rem 0 0.5rem;
  }

  .nav-link {
    width: 100%;
  }

  .hero-grid,
  .page-hero-grid,
  .contact-grid,
  .availability-panel,
  .foundation-grid,
  .cta-inner {
    grid-template-columns: 1fr;
  }

  .cta-inner {
    align-items: start;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767.98px) {
  .feature-grid,
  .feature-grid.two-col,
  .project-grid,
  .cert-grid,
  .evidence-strip,
  .case-study-grid,
  .check-list.columns {
    grid-template-columns: 1fr;
  }

  .split-heading {
    display: grid;
    align-items: start;
  }

  .brand-subtitle {
    display: none;
  }

  .brand-name {
    max-width: 130px;
    overflow-wrap: anywhere;
  }
}

@media print {
  .site-header,
  .site-footer,
  .hero-actions,
  .cta-band {
    display: none !important;
  }

  body {
    background: #ffffff;
    color: #000000;
  }

  p,
  li,
  dd {
    color: #000000;
  }

  .section-shell,
  .page-hero {
    padding: 1rem 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}
/* Phase 3 admin and form utilities */
.button-link {
  background: transparent;
  border: 0;
  color: var(--link-color, #8ab4ff);
  padding: 0;
  text-decoration: underline;
}

.button-link:focus-visible {
  outline: 3px solid var(--focus-color, #ffd166);
  outline-offset: 3px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.04);
}

.stat-card p {
  margin: 0;
}

.stat-card strong {
  display: block;
  font-size: 2rem;
}

.toolbar-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: end;
  margin-bottom: 1.25rem;
}

.toolbar-form label {
  display: block;
  width: 100%;
  max-width: 12rem;
}

.toolbar-form input,
.toolbar-form select,
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
}

.form-alert.success {
  border-color: #2e7d32;
}

.form-alert.error {
  border-color: #b3261e;
}

.compact-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}