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

:root {
  --navy: #031425;
  --deep-blue: #061b2f;
  --section-blue: #082d4b;
  --panel-blue: #0b2f4d;
  --accent: #00a6ff;
  --text: #ffffff;
  --muted: #d7e8f7;
  --line: rgba(0, 166, 255, 0.25);
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.24);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--deep-blue);
  color: var(--text);
  line-height: 1.6;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--navy);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding: 14px 8%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.brand {
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  flex: 0 0 auto;
}

.brand img {
  width: 82px;
  height: 64px;
  object-fit: contain;
  border-radius: 6px;
}

.site-header nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-header nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.96rem;
}

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

.hero {
  min-height: 66vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 72px 8% 96px;
  background:
    linear-gradient(rgba(3, 20, 37, 0.62), rgba(3, 20, 37, 0.78)),
    url("images/banner.png");
  background-size: cover;
  background-position: center;
}

.hero-content {
  max-width: 980px;
}

.eyebrow {
  color: var(--accent);
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 10px;
  font-size: 0.88rem;
}

.hero h1 {
  font-size: clamp(2.25rem, 4.25vw, 3.65rem);
  line-height: 1.03;
  margin-bottom: 18px;
  text-shadow: 0 3px 16px rgba(0, 0, 0, 0.55);
}

.hero h1 span {
  display: block;
  white-space: nowrap;
}

.hero-text {
  color: var(--text);
  font-size: 1.16rem;
  max-width: 760px;
  margin: 0 auto 28px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.65);
}

.hero-buttons,
.contact-buttons {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

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

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

.btn:hover,
.btn:focus-visible {
  background: var(--text);
  border-color: var(--text);
  color: var(--navy);
}

.mission-card {
  margin: -42px auto 0;
  width: min(1040px, 88%);
  background: var(--panel-blue);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 32px;
  position: relative;
  z-index: 3;
  box-shadow: var(--shadow);
  text-align: center;
}

.mission-card h2 {
  font-size: clamp(1.55rem, 3vw, 2rem);
  margin-bottom: 10px;
}

.mission-card p {
  color: var(--muted);
  max-width: 850px;
  margin: 0 auto;
}

.section,
.split-section,
.founder-section,
.page-intro {
  padding: 68px 8%;
}

.section {
  text-align: center;
  background: var(--section-blue);
}

.dark-section {
  background: var(--navy);
}

.impact-section {
  background: #0e3558;
}

.section-heading {
  max-width: 900px;
  margin: 0 auto;
}

.section h2,
.split-section h2,
.founder-section h2,
.page-intro h1 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.08;
  margin-bottom: 16px;
}

.balanced-heading {
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
  font-size: clamp(2.35rem, 3.25vw, 3.35rem);
}

.trust-heading {
  max-width: 940px;
  font-size: clamp(2.2rem, 3vw, 3.15rem);
}

.balanced-heading span {
  display: block;
}

.founder-story-title span {
  display: block;
}

.split-heading span {
  display: block;
}

.section p,
.split-section p,
.founder-section p,
.page-intro p {
  color: var(--muted);
}

.section-heading p {
  margin: 0 auto 18px;
}

.cards,
.impact-points,
.featured-gallery,
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 22px;
  margin-top: 32px;
}

.cards article,
.impact-points article,
.credential-box,
.featured-gallery figure,
.gallery-grid figure {
  background: var(--panel-blue);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.cards article,
.impact-points article,
.credential-box {
  padding: 24px;
}

.compact-cards article,
.trust-cards article,
.impact-points article {
  display: flex;
  min-height: 190px;
  flex-direction: column;
  justify-content: flex-start;
  text-align: left;
}

.cards h3,
.impact-points h3,
.credential-box h3 {
  color: var(--accent);
  margin-bottom: 10px;
  line-height: 1.22;
}

.cards p,
.impact-points p {
  margin: 0;
}

.trust-section {
  background: #0e3558;
}

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

.trust-cards article {
  min-height: 175px;
}

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

.featured-gallery figure,
.gallery-grid figure {
  overflow: hidden;
}

.featured-gallery img,
.gallery-grid img {
  width: 100%;
  height: 230px;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.featured-gallery figcaption,
.gallery-grid figcaption {
  min-height: 54px;
  padding: 14px 16px;
  color: var(--muted);
  font-weight: 700;
  text-align: left;
}

.text-link {
  display: inline-block;
  margin-top: 26px;
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
  border-bottom: 2px solid var(--accent);
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--accent);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.85fr);
  gap: 36px;
  align-items: center;
  background: var(--panel-blue);
}

.split-copy {
  max-width: 720px;
}

.credential-box {
  text-align: left;
}

.credential-box ul {
  padding-left: 20px;
  color: var(--muted);
}

.credential-box li {
  margin-bottom: 9px;
}

.certificate-proof {
  display: block;
  margin-top: 24px;
  text-align: center;
  text-decoration: none;
}

.certificate-proof img {
  width: min(100%, 270px);
  margin: 0 auto;
  border-radius: 10px;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.certificate-proof span {
  display: inline-block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.founder-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.82fr) minmax(0, 1.18fr);
  gap: 40px;
  align-items: center;
}

.founder-image img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.founder-copy {
  max-width: 840px;
}

.founder-copy p + p {
  margin-top: 14px;
}

.impact-points {
  align-items: stretch;
}

.impact-points article {
  min-height: 170px;
}

.contact-section .section-heading {
  margin-bottom: 28px;
}

.contact-buttons .btn {
  min-width: 150px;
}

.contact-section.bottom-banner {
  min-height: 360px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:
    linear-gradient(rgba(255, 255, 255, 0.5), rgba(215, 232, 247, 0.34)),
    url("images/banner.png");
  background-size: cover;
  background-position: center;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.contact-section.bottom-banner h2,
.contact-section.bottom-banner p {
  color: #0b2f4d;
  text-shadow: 0 1px 8px rgba(255, 255, 255, 0.55);
}

.contact-section.bottom-banner .eyebrow {
  color: #0077c8;
  text-shadow: 0 1px 8px rgba(255, 255, 255, 0.55);
}

.contact-copy span {
  display: block;
}

.contact-section.bottom-banner .btn.primary {
  background: #0077c8;
  border-color: #0077c8;
  color: var(--text);
}

.contact-section.bottom-banner .btn.secondary {
  background: rgba(255, 255, 255, 0.7);
  border-color: #0077c8;
  color: #0077c8;
}

.contact-section.bottom-banner .btn:hover,
.contact-section.bottom-banner .btn:focus-visible {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--text);
}

.page-intro {
  text-align: center;
}

.page-intro p {
  max-width: 820px;
  margin: 0 auto;
}

.gallery-page {
  padding-top: 46px;
}

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

.gallery-grid img {
  height: 260px;
}

footer {
  background: var(--navy);
  color: var(--text);
  text-align: center;
  padding: 30px 8%;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

footer p + p {
  color: var(--muted);
  margin-top: 4px;
}

@media (max-width: 980px) {
  .site-header {
    flex-direction: column;
    gap: 12px;
  }

  .site-header nav {
    justify-content: center;
    gap: 14px 18px;
  }

  .featured-gallery,
  .gallery-grid,
  .trust-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .balanced-heading {
    font-size: clamp(1.9rem, 4vw, 3rem);
  }

  .trust-heading {
    font-size: clamp(1.8rem, 4vw, 2.75rem);
  }

  .split-section,
  .founder-section {
    grid-template-columns: 1fr;
  }

  .founder-image {
    max-width: 440px;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 12px 5%;
  }

  .brand img {
    width: 70px;
    height: 54px;
  }

  .site-header nav {
    font-size: 0.9rem;
  }

  .hero {
    min-height: auto;
    padding: 56px 6% 76px;
  }

  .hero h1 span {
    white-space: normal;
  }

  .mission-card {
    margin-top: 0;
    width: 100%;
    border-radius: 0;
    padding: 28px 6%;
  }

  .section,
  .split-section,
  .founder-section,
  .page-intro {
    padding: 52px 6%;
  }

  .cards,
  .impact-points,
  .featured-gallery,
  .trust-cards,
  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .compact-cards article,
  .impact-points article {
    min-height: auto;
  }

  .featured-gallery img,
  .gallery-grid img {
    height: 220px;
  }

  .btn {
    width: 100%;
  }

  .contact-buttons {
    width: 100%;
  }

  .contact-buttons .btn {
    min-width: 0;
  }

  .contact-section.bottom-banner {
    min-height: 330px;
  }
}