:root {
  --bg: #f3f6fb;
  --surface: #ffffff;
  --surface-alt: #edf2fb;
  --text: #101827;
  --text-soft: #4b5563;
  --primary: #0b2f66;
  --primary-soft: #1f4b99;
  --accent: #00b0a8;
  --border: #d6deeb;
  --shadow: 0 14px 34px rgba(11, 47, 102, 0.12);
  --radius: 18px;
  --radius-sm: 12px;
  --transition: 0.28s ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 0% 0%, rgba(0, 176, 168, 0.08), transparent 42%),
    radial-gradient(circle at 100% 0%, rgba(11, 47, 102, 0.12), transparent 40%),
    var(--bg);
  line-height: 1.65;
}

body.no-scroll {
  overflow: hidden;
}

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

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

ul {
  list-style: none;
}

.container {
  width: min(1140px, 92%);
  margin: 0 auto;
}

.section {
  padding: 88px 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(237, 242, 251, 0.72), rgba(255, 255, 255, 0.72));
}

.section-title {
  font-family: "Sora", "Trebuchet MS", sans-serif;
  font-size: clamp(1.65rem, 2.2vw, 2.5rem);
  letter-spacing: -0.02em;
  color: var(--primary);
}

.section-lead {
  margin-top: 12px;
  color: var(--text-soft);
  max-width: 760px;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: 1px solid rgba(0, 176, 168, 0.32);
  color: var(--primary);
  background: rgba(255, 255, 255, 0.85);
  border-radius: 999px;
  padding: 6px 16px;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.kicker::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.page-shell {
  padding-top: 86px;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  background: linear-gradient(135deg, rgba(11, 47, 102, 0.96), rgba(31, 75, 153, 0.94));
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.site-header.scrolled {
  background: linear-gradient(135deg, rgba(8, 36, 83, 0.98), rgba(20, 61, 126, 0.96));
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 30px rgba(6, 24, 54, 0.32);
}

.header-inner {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand img {
  width: 120px;
  height: 120px;
  object-fit: contain;
}

.brand-text {
  font-family: "Sora", "Trebuchet MS", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
}

.site-nav {
  display: flex;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav .nav-link {
  padding: 10px 14px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 700;
  font-size: 0.92rem;
  transition: var(--transition);
}

.site-nav .nav-link:hover,
.site-nav .nav-link.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 20px rgba(6, 24, 54, 0.22);
}

.mobile-nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.14);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.mobile-nav-toggle span {
  width: 19px;
  height: 2px;
  border-radius: 2px;
  background: #ffffff;
  transition: var(--transition);
}

.mobile-nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 12px 20px;
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  transition: var(--transition);
}

.btn-primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary), var(--primary-soft));
  box-shadow: 0 14px 24px rgba(11, 47, 102, 0.22);
}

.btn-primary:hover {
  transform: translateY(-2px);
}

.btn-secondary {
  border: 1px solid rgba(11, 47, 102, 0.18);
  color: var(--primary);
  background: #ffffff;
}

.btn-secondary:hover {
  border-color: rgba(0, 176, 168, 0.4);
  color: #0a6b84;
}

.hero {
  padding: 108px 0 82px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: stretch;
}

.hero-copy {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(11, 47, 102, 0.1);
  border-radius: 24px;
  padding: clamp(26px, 3.5vw, 42px);
  box-shadow: var(--shadow);
}

.hero-copy h1 {
  margin-top: 15px;
  font-family: "Sora", "Trebuchet MS", sans-serif;
  font-size: clamp(2rem, 4.2vw, 3.3rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--primary);
}

.hero-copy p {
  margin-top: 18px;
  color: var(--text-soft);
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-tags {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.hero-tags span {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary-soft);
  padding: 7px 12px;
  background: rgba(11, 47, 102, 0.08);
  border-radius: 999px;
}

.hero-side {
  display: grid;
  gap: 16px;
}

.hero-image {
  border-radius: 24px;
  overflow: hidden;
  min-height: 320px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(11, 47, 102, 0.08);
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.metric {
  border-radius: var(--radius-sm);
  padding: 16px 12px;
  text-align: center;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(11, 47, 102, 0.08);
}

.metric strong {
  display: block;
  font-family: "Sora", "Trebuchet MS", sans-serif;
  font-size: 1.35rem;
  color: var(--primary);
}

.metric span {
  font-size: 0.76rem;
  color: var(--text-soft);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.grid {
  display: grid;
  gap: 18px;
}

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

.grid-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 8px 20px rgba(11, 47, 102, 0.06);
}

.card h3 {
  font-family: "Sora", "Trebuchet MS", sans-serif;
  font-size: 1.1rem;
  color: var(--primary);
}

.card p {
  margin-top: 8px;
  color: var(--text-soft);
  font-size: 0.96rem;
}

.card ul {
  margin-top: 10px;
  display: grid;
  gap: 7px;
}

.card ul li {
  color: var(--text-soft);
  font-size: 0.92rem;
  position: relative;
  padding-left: 16px;
}

.card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(0, 176, 168, 0.7);
}

.tech-action {
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(11, 47, 102, 0.2);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--primary);
  font-size: 0.84rem;
  font-weight: 800;
  transition: var(--transition);
}

.tech-action:hover {
  border-color: rgba(0, 176, 168, 0.55);
  color: #0a6b84;
}

.tech-visual-label {
  margin-top: 10px;
  color: var(--text-soft);
  font-size: 0.82rem;
  font-weight: 700;
}

.tech-indicator-row {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tech-pill {
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--primary);
  background: rgba(11, 47, 102, 0.08);
}

.icon-badge {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(11, 47, 102, 0.08);
  color: var(--primary);
  margin-bottom: 14px;
  font-size: 1.05rem;
}

.about-wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 24px;
  align-items: stretch;
}

.about-copy {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(11, 47, 102, 0.08);
  border-radius: 22px;
  padding: clamp(22px, 3vw, 34px);
}

.about-copy p + p {
  margin-top: 12px;
}

.about-visual {
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(11, 47, 102, 0.08);
  box-shadow: var(--shadow);
  min-height: 100%;
}

.about-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.stats-row {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.stat {
  text-align: center;
  background: var(--surface-alt);
  border-radius: 13px;
  padding: 12px;
}

.stat .stat-number {
  font-family: "Sora", "Trebuchet MS", sans-serif;
  font-size: 1.4rem;
  color: var(--primary);
}

.stat-plus {
  margin-left: 1px;
  font-family: "Sora", "Trebuchet MS", sans-serif;
  font-size: 1.2rem;
  color: var(--primary);
  font-weight: 700;
}

.stat .stat-label {
  display: block;
  color: var(--text-soft);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.about-caption {
  padding: 10px 14px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-soft);
}

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

.mission-card img {
  width: 100%;
  height: 170px;
  object-fit: cover;
}

.mission-card .mission-body {
  padding: 18px;
}

.mission-tag {
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--primary-soft);
}

.mission-learn {
  margin-top: 10px;
  display: inline-flex;
  align-items: center;
  color: var(--primary);
  font-size: 0.84rem;
  font-weight: 800;
}

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

.rnd-card img {
  width: 100%;
  height: 170px;
  object-fit: cover;
}

.rnd-card .rnd-body {
  padding: 18px;
}

.rnd-tag {
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--primary-soft);
}

.rnd-card .focus {
  margin-top: 10px;
  font-weight: 800;
  color: var(--primary-soft);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.highlight-band {
  background: linear-gradient(140deg, rgba(11, 47, 102, 0.95), rgba(31, 75, 153, 0.9));
  color: #f8fbff;
  border-radius: 24px;
  padding: clamp(24px, 4.2vw, 36px);
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 20px;
  align-items: center;
}

.highlight-band h3 {
  font-family: "Sora", "Trebuchet MS", sans-serif;
  font-size: clamp(1.5rem, 2.8vw, 2rem);
}

.highlight-band p {
  margin-top: 10px;
  color: rgba(245, 249, 255, 0.86);
}

.highlight-band .btn-secondary {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.38);
  background: transparent;
}

.highlight-band .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.simulator-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: stretch;
}

.simulator-image {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(11, 47, 102, 0.1);
  box-shadow: var(--shadow);
}

.simulator-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.simulator-copy {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: clamp(20px, 3vw, 30px);
}

.simulator-copy p {
  color: var(--text-soft);
}

.team-card {
  padding: 0;
  overflow: hidden;
  transition: var(--transition);
}

.team-card:hover {
  transform: translateY(-5px);
}

.team-card img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.team-card .team-body {
  padding: 18px;
}

.team-card .role {
  color: var(--primary-soft);
  font-weight: 800;
  font-size: 0.9rem;
  margin-top: 4px;
}

.team-card .summary {
  margin-top: 10px;
}

.team-card .view {
  margin-top: 15px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 800;
  font-size: 0.86rem;
}

.contact-layout {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 20px;
}

.contact-panels {
  display: grid;
  gap: 14px;
}

.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 13px;
  align-items: start;
}

.contact-card i {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(11, 47, 102, 0.09);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.88rem;
}

.contact-card h4 {
  font-family: "Sora", "Trebuchet MS", sans-serif;
  color: var(--primary);
  font-size: 0.98rem;
}

.contact-card p,
.contact-card a {
  margin-top: 4px;
  color: var(--text-soft);
  font-size: 0.92rem;
}

.map-wrap {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  min-height: 248px;
}

.map-wrap iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.form-shell {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(18px, 3vw, 28px);
}

.form-shell h3 {
  font-family: "Sora", "Trebuchet MS", sans-serif;
  color: var(--primary);
  margin-bottom: 14px;
}

.form-grid {
  display: grid;
  gap: 12px;
}

.form-field {
  display: grid;
  gap: 6px;
}

.form-field label {
  color: var(--primary-soft);
  font-size: 0.82rem;
  font-weight: 800;
}

.form-field input,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  font: inherit;
  color: var(--text);
  padding: 11px 13px;
  background: #fbfdff;
  transition: var(--transition);
}

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

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: rgba(11, 47, 102, 0.45);
  box-shadow: 0 0 0 3px rgba(11, 47, 102, 0.08);
}

.form-submit {
  margin-top: 4px;
}

.footer {
  margin-top: 64px;
  border-top: 1px solid rgba(11, 47, 102, 0.13);
  padding: 24px 0;
  color: #5c6b84;
  font-size: 0.88rem;
}

.footer a {
  color: var(--primary);
  font-weight: 700;
}

.footer a:hover {
  color: #0a6b84;
}

.page-hero {
  padding: 120px 0 56px;
}

.page-hero .hero-panel {
  background: linear-gradient(142deg, rgba(11, 47, 102, 0.96), rgba(31, 75, 153, 0.92));
  border-radius: 24px;
  color: #f6fbff;
  padding: clamp(24px, 4vw, 40px);
  box-shadow: var(--shadow);
}

.page-hero h1 {
  font-family: "Sora", "Trebuchet MS", sans-serif;
  font-size: clamp(1.9rem, 3.3vw, 3rem);
  line-height: 1.08;
}

.page-hero p {
  margin-top: 14px;
  color: rgba(245, 252, 255, 0.88);
}

.page-hero .hero-actions {
  margin-top: 24px;
}

.gallery-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.gallery-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.gallery-card img {
  width: 100%;
  height: 170px;
  object-fit: cover;
}

.tattva-hero-image {
  height: clamp(300px, 52vw, 560px) !important;
  object-fit: contain !important;
  background: #ffffff;
  padding: 14px;
}

.tattva-preview-image {
  height: 260px !important;
  object-fit: contain !important;
  background: #ffffff;
  padding: 10px;
}

.gallery-body {
  padding: 14px;
}

.gallery-body h3 {
  font-family: "Sora", "Trebuchet MS", sans-serif;
  font-size: 0.98rem;
  color: var(--primary);
}

.gallery-body p {
  margin-top: 5px;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.profile-hero {
  padding: 118px 0 44px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 0.87rem;
  color: var(--primary);
  margin-bottom: 14px;
}

.back-link:hover {
  color: #0a6b84;
}

.profile-shell {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: clamp(22px, 3vw, 34px);
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  box-shadow: var(--shadow);
}

.profile-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.profile-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-meta h1 {
  font-family: "Sora", "Trebuchet MS", sans-serif;
  font-size: clamp(1.6rem, 2.8vw, 2.4rem);
  color: var(--primary);
}

.profile-meta .role {
  margin-top: 6px;
  color: var(--primary-soft);
  font-weight: 800;
}

.profile-meta p {
  margin-top: 14px;
  color: var(--text-soft);
}

.profile-content {
  padding: 22px 0 20px;
}

.profile-block + .profile-block {
  margin-top: 36px;
}

.profile-block h2 {
  font-family: "Sora", "Trebuchet MS", sans-serif;
  color: var(--primary);
  font-size: clamp(1.35rem, 2vw, 1.95rem);
  margin-bottom: 14px;
}

.detail-grid {
  display: grid;
  gap: 15px;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
}

.detail-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
}

.detail-card h3 {
  font-family: "Sora", "Trebuchet MS", sans-serif;
  color: var(--primary);
  font-size: 1.02rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.detail-card h3 i {
  color: var(--accent);
  font-size: 0.96rem;
}

.detail-card ul {
  margin-top: 10px;
  display: grid;
  gap: 7px;
}

.detail-card ul li {
  position: relative;
  padding-left: 15px;
  color: var(--text-soft);
  font-size: 0.92rem;
}

.detail-card ul li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(0, 176, 168, 0.8);
  position: absolute;
  left: 0;
  top: 0.62em;
}

.detail-card p {
  margin-top: 9px;
  color: var(--text-soft);
  font-size: 0.93rem;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.58s ease, transform 0.58s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .hero-grid,
  .about-wrap,
  .highlight-band,
  .simulator-wrap,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero-image {
    min-height: 280px;
  }
}

@media (max-width: 920px) {
  .site-nav {
    position: fixed;
    inset: 86px 10px auto;
    z-index: 900;
    background: rgba(9, 39, 89, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 16px;
    box-shadow: 0 16px 34px rgba(6, 24, 54, 0.38);
    transform: scale(0.97) translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }

  .site-nav.open {
    transform: scale(1) translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
  }

  .site-nav .nav-link {
    border-radius: 10px;
    text-align: left;
  }

  .mobile-nav-toggle {
    display: inline-flex;
  }

  .profile-shell {
    grid-template-columns: 1fr;
  }

  .profile-photo {
    max-width: 220px;
    margin-inline: auto;
  }

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

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

@media (max-width: 640px) {
  .section {
    padding: 70px 0;
  }

  .hero {
    padding: 98px 0 60px;
  }

  .hero-copy {
    border-radius: 18px;
  }

  .metric-grid,
  .stats-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .metric strong,
  .stat .stat-number {
    font-size: 1.15rem;
  }

  .grid-four,
  .grid-three,
  .grid-two {
    grid-template-columns: 1fr;
  }

  .team-card img {
    height: 240px;
  }

  .page-hero,
  .profile-hero {
    padding-top: 108px;
  }

  .footer {
    margin-top: 50px;
  }
}