:root {
  --sky-950: #082f49;
  --sky-900: #0c4a6e;
  --sky-700: #0369a1;
  --sky-500: #0ea5e9;
  --sky-100: #e0f2fe;
  --sky-50: #f0f9ff;
  --emerald-900: #064e3b;
  --emerald-700: #047857;
  --emerald-100: #d1fae5;
  --orange-500: #f97316;
  --orange-600: #ea580c;
  --ink: #0f172a;
  --muted: #475569;
  --line: #dbe7ef;
  --paper: #ffffff;
  --soft: #f7fbfd;
  --shadow: 0 22px 60px rgba(8, 47, 73, 0.14);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  max-width: 100%;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

section,
footer {
  scroll-margin-top: 112px;
}

body {
  margin: 0;
  max-width: 100%;
  overflow-x: hidden;
  font-family: "Work Sans", Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

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

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

button {
  font: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(249, 115, 22, 0.38);
  outline-offset: 3px;
}

.site-header {
  position: fixed;
  top: 14px;
  left: clamp(14px, 3vw, 38px);
  right: clamp(14px, 3vw, 38px);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 68px;
  padding: 10px 12px 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  color: #fff;
  transition: background 180ms ease, box-shadow 180ms ease, color 180ms ease, border-color 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  border-color: rgba(219, 231, 239, 0.9);
  box-shadow: 0 12px 36px rgba(8, 47, 73, 0.13);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  flex: 1 1 auto;
  align-items: center;
  gap: 11px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 2px solid currentColor;
  border-radius: 50%;
  font-family: "Outfit", Arial, sans-serif;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.14);
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.05;
}

.brand strong {
  font-family: "Outfit", Arial, sans-serif;
  font-size: 1.02rem;
}

.brand small {
  margin-top: 4px;
  color: currentColor;
  font-size: 0.78rem;
  opacity: 0.76;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  border-radius: 999px;
  padding: 9px 12px;
  font-size: 0.93rem;
  font-weight: 700;
  transition: background 180ms ease, color 180ms ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--sky-950);
  background: rgba(14, 165, 233, 0.14);
}

.site-nav .nav-cta {
  margin-left: 4px;
  color: #fff;
  background: var(--orange-500);
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta.is-active {
  color: #fff;
  background: var(--orange-600);
}

.nav-toggle {
  display: grid;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  align-content: center;
  gap: 4px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 999px;
  color: inherit;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
}

@media (min-width: 981px) {
  .nav-toggle {
    display: none;
  }
}

.hero {
  position: relative;
  min-height: 86svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #fff;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media {
  background: url("Img/46.jpg") center 42% / cover no-repeat;
  transform: scale(1.02);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(8, 47, 73, 0.9), rgba(8, 47, 73, 0.66) 45%, rgba(6, 78, 59, 0.2)),
    linear-gradient(0deg, rgba(8, 47, 73, 0.82), rgba(8, 47, 73, 0.1) 58%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(790px, calc(100% - 36px));
  margin: 0 clamp(18px, 6vw, 88px) 8vh;
  padding-top: 120px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--orange-500);
  font-family: "Outfit", Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: "Outfit", Arial, sans-serif;
  letter-spacing: 0;
}

.hero h1 {
  margin: 0;
  max-width: 770px;
  font-size: clamp(3rem, 8vw, 6.6rem);
  line-height: 0.95;
}

.hero p:not(.eyebrow) {
  max-width: 680px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.02rem, 2vw, 1.22rem);
}

.hero-actions,
.hero-trust,
.registration-content ul,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
}

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

.hero-trust {
  gap: 8px;
  margin-top: 18px;
}

.hero-trust span {
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  padding: 7px 11px;
  color: rgba(255, 255, 255, 0.88);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  font-size: 0.9rem;
  font-weight: 700;
}

.btn {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 11px 18px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #fff;
  background: var(--orange-500);
  box-shadow: 0 14px 30px rgba(249, 115, 22, 0.28);
}

.btn-primary:hover {
  background: var(--orange-600);
}

.btn-secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.12);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.18);
}

.btn-tertiary {
  color: var(--sky-900);
  border-color: var(--line);
  background: #fff;
}

.quick-info {
  background: var(--sky-950);
  color: #fff;
}

.quick-info-inner {
  display: grid;
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  grid-template-columns: repeat(4, 1fr);
}

.quick-info article {
  min-height: 158px;
  padding: 30px 24px;
  border-left: 1px solid rgba(255, 255, 255, 0.14);
}

.quick-info article:last-child {
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}

.quick-info span {
  display: block;
  color: #7dd3fc;
  font-family: "Outfit", Arial, sans-serif;
  font-size: clamp(2rem, 4vw, 3.05rem);
  font-weight: 800;
  line-height: 1;
}

.quick-info .text-stat span {
  color: #fdba74;
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  line-height: 1.1;
}

.quick-info p {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.78);
}

.section {
  padding: clamp(64px, 9vw, 112px) clamp(18px, 5vw, 72px);
}

.section-heading {
  display: grid;
  width: min(1120px, 100%);
  margin: 0 auto 38px;
  justify-items: center;
  gap: 10px;
  text-align: center;
}

.section-heading .eyebrow {
  margin-bottom: 0;
}

.section-heading h2,
.achievement-copy h2,
.registration-content h2 {
  margin: 0;
  max-width: 840px;
  font-size: clamp(1.95rem, 3vw, 3.1rem);
  line-height: 1.1;
}

.section-heading > p:not(.eyebrow) {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.profile-section,
.activities-section,
.registration-section {
  background: var(--soft);
}

.profile-grid,
.announcement-layout,
.achievement-section,
.registration-section {
  display: grid;
  width: min(1120px, 100%);
  margin: 0 auto;
  gap: 32px;
}

.profile-grid {
  grid-template-columns: 1.05fr 0.95fr;
  align-items: start;
}

.profile-copy {
  color: var(--muted);
  font-size: 1.04rem;
}

.mission-list {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.mission-list div {
  padding: 18px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--sky-500);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 10px 26px rgba(8, 47, 73, 0.07);
}

.mission-list strong,
.mission-list span {
  display: block;
}

.mission-list strong {
  color: var(--ink);
  font-family: "Outfit", Arial, sans-serif;
}

.mission-list span {
  margin-top: 4px;
}

.profile-image {
  margin: 0;
}

.profile-image img,
.announcement-feature,
.activity-card,
.achievement-gallery img,
.gallery-grid img,
.registration-card {
  border-radius: var(--radius);
}

.profile-image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.profile-image figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.92rem;
}

.announcement-section {
  background: #fff;
}

.announcement-layout {
  grid-template-columns: 1.12fr 0.88fr;
  align-items: stretch;
}

.announcement-feature {
  overflow: hidden;
  background: var(--sky-950);
  color: #fff;
  box-shadow: var(--shadow);
}

.announcement-feature img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.announcement-feature div {
  padding: clamp(22px, 4vw, 36px);
}

.announcement-feature h3,
.announcement-list h3,
.activity-card h3 {
  margin: 8px 0 0;
  line-height: 1.2;
}

.announcement-feature h3 {
  font-size: clamp(1.5rem, 3vw, 2.35rem);
}

.announcement-feature p:not(.tag) {
  color: rgba(255, 255, 255, 0.78);
}

.tag,
.announcement-list span,
.activity-card span,
.registration-card span {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 5px 10px;
  color: var(--sky-900);
  background: var(--sky-100);
  font-size: 0.78rem;
  font-weight: 800;
}

.announcement-list {
  display: grid;
  gap: 14px;
}

.announcement-list article {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.announcement-list article:hover {
  border-color: rgba(14, 165, 233, 0.4);
  box-shadow: 0 14px 34px rgba(8, 47, 73, 0.08);
}

.announcement-list .empty-slot {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.08), rgba(249, 115, 22, 0.08));
}

.announcement-list p {
  margin-bottom: 0;
  color: var(--muted);
}

.activity-grid {
  display: grid;
  width: min(1120px, 100%);
  margin: 0 auto;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.activity-card {
  overflow: hidden;
  min-height: 342px;
  background: #fff;
  box-shadow: 0 12px 35px rgba(8, 47, 73, 0.08);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.activity-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 46px rgba(8, 47, 73, 0.12);
}

.activity-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.activity-card div {
  padding: 18px;
}

.achievement-section {
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  background: #fff;
}

.achievement-copy p:not(.eyebrow) {
  color: var(--muted);
  font-size: 1.04rem;
}

.achievement-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.achievement-gallery img {
  width: 100%;
  height: 100%;
  min-height: 210px;
  object-fit: cover;
  box-shadow: 0 12px 28px rgba(8, 47, 73, 0.08);
}

.achievement-gallery img:first-child {
  grid-row: span 2;
}

.gallery-section {
  background: var(--sky-950);
  color: #fff;
}

.gallery-section .section-heading h2 {
  max-width: 760px;
  color: #fff;
}

.gallery-grid {
  display: grid;
  width: min(1120px, 100%);
  margin: 0 auto;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.gallery-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.registration-section {
  grid-template-columns: 1fr 0.82fr;
  align-items: center;
}

.registration-content p {
  color: var(--muted);
  font-size: 1.04rem;
}

.registration-content ul {
  gap: 10px;
  padding: 0;
  margin: 22px 0 26px;
  list-style: none;
}

.registration-content li {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  background: #fff;
  color: var(--muted);
  font-weight: 700;
}

.contact-actions {
  gap: 10px;
}

.registration-card {
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
}

.registration-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.registration-card div {
  padding: 22px;
}

.registration-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-weight: 700;
}

.site-footer {
  display: grid;
  gap: 24px;
  padding: 42px clamp(18px, 5vw, 72px);
  color: #fff;
  background: #071f2f;
}

.site-footer p {
  max-width: 640px;
  color: rgba(255, 255, 255, 0.72);
}

.footer-credit {
  margin: 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.95rem;
}

.footer-credit a {
  color: #7dd3fc;
  font-weight: 700;
  transition: color 180ms ease;
}

.footer-credit a:hover {
  color: #fdba74;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 60;
  width: min(400px, calc(100% - 36px));
  padding: 14px 16px;
  border-radius: var(--radius);
  color: #fff;
  background: var(--sky-950);
  box-shadow: var(--shadow);
  transform: translateY(18px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

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

@media (max-width: 980px) {
  .site-header {
    justify-content: space-between;
  }

  .site-header .brand {
    flex: 1 1 auto;
  }

  .site-header .nav-toggle {
    margin-left: auto;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 3px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    color: var(--ink);
    background: #fff;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    border-radius: 6px;
  }

  .site-nav .nav-cta {
    margin-left: 0;
    text-align: center;
  }

  .hero {
    min-height: 84svh;
  }

  .hero-overlay {
    background:
      linear-gradient(0deg, rgba(8, 47, 73, 0.92), rgba(8, 47, 73, 0.24)),
      linear-gradient(90deg, rgba(8, 47, 73, 0.82), rgba(6, 78, 59, 0.2));
  }

  .quick-info-inner,
  .profile-grid,
  .announcement-layout,
  .achievement-section,
  .registration-section,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .quick-info-inner {
    width: 100%;
    grid-template-columns: 1fr 1fr;
  }

  .quick-info article {
    border-top: 1px solid rgba(255, 255, 255, 0.14);
  }

  .activity-grid,
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    top: 10px;
    left: 10px;
    right: auto;
    width: calc(100vw - 20px);
    min-height: 62px;
    padding: 10px 12px;
  }

  .site-header .brand {
    padding-right: 58px;
  }

  .site-header .nav-toggle {
    position: absolute;
    top: 50%;
    right: 12px;
    margin-left: 0;
    transform: translateY(-50%);
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand strong {
    font-size: 0.96rem;
  }

  .hero-content {
    width: min(calc(100% - 32px), 358px);
    margin: 0 16px 7vh;
    padding-top: 110px;
  }

  .hero p:not(.eyebrow) {
    font-size: 1rem;
  }

  .hero-actions,
  .hero-actions .btn,
  .contact-actions,
  .contact-actions .btn {
    width: 100%;
  }

  .quick-info-inner,
  .activity-grid,
  .gallery-grid {
    width: min(100%, 390px);
    grid-template-columns: 1fr;
  }

  .quick-info article,
  .quick-info article:last-child {
    min-height: auto;
    border-left: 0;
    border-right: 0;
  }

  .section {
    padding: 56px 16px;
  }

  .section-heading {
    margin-bottom: 26px;
  }

  .announcement-feature img {
    aspect-ratio: auto;
    height: auto;
    object-fit: contain;
    background: var(--sky-950);
  }

  .profile-image img {
    aspect-ratio: auto;
    height: auto;
    object-fit: contain;
    background: #eaf4ee;
  }

  .activity-card img,
  .achievement-gallery img,
  .gallery-grid img,
  .registration-card img {
    object-fit: contain;
    object-position: center;
    background: #eaf4ee;
  }

  .achievement-gallery {
    grid-template-columns: 1fr;
  }

  .achievement-gallery img:first-child {
    grid-row: auto;
  }

  .registration-content li {
    width: 100%;
    border-radius: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}
