/* =========================================================
   Govt Higher Secondary School, Kimin - Stylesheet
   Basic, dependency-free CSS (no build step required)
   ========================================================= */

:root {
  --color-primary: #0b3d91;
  --color-primary-dark: #082a66;
  --color-accent: #f2a900;
  --color-text: #222222;
  --color-muted: #5a5a5a;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f7fb;
  --color-border: #e0e4ea;
  --max-width: 1140px;
  --radius: 8px;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Top bar ---------- */
.top-bar {
  background: var(--color-primary-dark);
  color: #fff;
  font-size: 0.85rem;
}

.top-bar .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  padding-top: 6px;
  padding-bottom: 6px;
}

.top-bar a {
  color: #fff;
}

.top-bar .top-contact span {
  margin-right: 18px;
}

/* ---------- Header / Nav ---------- */
.site-header {
  background: #fff;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
}

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

.brand img {
  height: 54px;
  width: 54px;
  border-radius: 50%;
}

.brand-text h1 {
  margin: 0;
  font-size: 1.3rem;
  color: var(--color-primary);
}

.brand-text p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--color-muted);
}

.nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--color-primary);
  border-radius: 4px;
  padding: 6px 10px;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--color-primary);
}

.main-nav {
  flex: 1 1 100%;
  margin-top: 14px;
  border-top: 1px solid var(--color-border);
  padding-top: 10px;
}

.main-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2px;
  margin: 0;
  padding: 0;
}

.main-nav a {
  white-space: nowrap;
  display: block;
  padding: 10px 11px;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.92rem;
  border-radius: var(--radius);
}

.main-nav a:hover,
.main-nav a.active {
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(120deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  padding: 70px 0;
}

.hero .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 30px;
}

.hero-text {
  flex: 1 1 420px;
}

.hero-text h2 {
  font-size: 2.3rem;
  margin-top: 0;
}

.hero-text p {
  font-size: 1.05rem;
  max-width: 560px;
}

.hero-image {
  flex: 1 1 320px;
}

.hero-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.btn {
  display: inline-block;
  background: var(--color-accent);
  color: #1b1b1b;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-weight: 700;
  margin-top: 14px;
  margin-right: 10px;
  border: none;
  cursor: pointer;
}

.btn:hover {
  background: #d99400;
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid #fff;
}

.btn-outline:hover {
  background: #fff;
  color: var(--color-primary);
}

/* ---------- Sections ---------- */
section {
  padding: 60px 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-title {
  text-align: center;
  margin-bottom: 10px;
  color: var(--color-primary-dark);
}

.section-subtitle {
  text-align: center;
  color: var(--color-muted);
  max-width: 640px;
  margin: 0 auto 40px;
}

/* ---------- Cards / Grid ---------- */
.grid {
  display: grid;
  gap: 24px;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.card .icon {
  font-size: 2rem;
  margin-bottom: 10px;
}

.card h3 {
  margin-top: 0;
  color: var(--color-primary-dark);
}

/* ---------- Stats ---------- */
.stats {
  background: var(--color-primary);
  color: #fff;
}

.stats .grid-4 {
  text-align: center;
}

.stats h3 {
  font-size: 2.2rem;
  margin: 0;
  color: var(--color-accent);
}

.stats p {
  margin: 6px 0 0;
}

/* ---------- Notices ---------- */
.notice-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.notice-list li {
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}

.notice-date {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius);
  padding: 6px 10px;
  font-size: 0.8rem;
  white-space: nowrap;
  height: fit-content;
}

/* ---------- Documents ---------- */
.doc-category {
  margin-bottom: 40px;
}

.doc-category h3 {
  color: var(--color-primary-dark);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 8px;
  margin-bottom: 16px;
}

.doc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.doc-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px 18px;
  box-shadow: var(--shadow);
}

.doc-icon {
  font-size: 1.8rem;
  flex: 0 0 auto;
}

.doc-info {
  flex: 1 1 260px;
}

.doc-info h4 {
  margin: 0 0 4px;
  color: var(--color-text);
}

.doc-meta {
  font-size: 0.82rem;
  color: var(--color-muted);
}

.doc-type-badge {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 12px;
  margin-right: 8px;
}

.doc-type-badge.image {
  background: #2e7d32;
}

.doc-actions {
  display: flex;
  gap: 8px;
  flex: 0 0 auto;
}

.doc-actions a {
  display: inline-block;
  padding: 8px 14px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
}

.doc-actions .view-link {
  background: var(--color-bg-alt);
  color: var(--color-primary-dark);
  border: 1px solid var(--color-border);
}

.doc-actions .download-link {
  background: var(--color-primary);
  color: #fff;
}

.doc-actions a:hover {
  text-decoration: none;
  opacity: 0.88;
}

/* ---------- Tables ---------- */
table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

table caption {
  text-align: left;
  font-weight: bold;
  margin-bottom: 10px;
}

th,
td {
  text-align: left;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
}

th {
  background: var(--color-primary);
  color: #fff;
}

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

.gallery-grid figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.gallery-grid img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.3s ease;
  cursor: pointer;
}

.gallery-grid img:hover {
  transform: scale(1.06);
}

.gallery-grid figcaption {
  padding: 8px 10px;
  font-size: 0.85rem;
  color: var(--color-muted);
  background: #fff;
}

/* ---------- Lightbox ---------- */
.lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.lightbox-overlay.open {
  display: flex;
}

.lightbox-overlay img {
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--radius);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
  position: fixed;
  top: 18px;
  right: 24px;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border: none;
  font-size: 2rem;
  line-height: 1;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.lightbox-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border: none;
  font-size: 1.6rem;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  cursor: pointer;
}

.lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.3);
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

.lightbox-caption {
  position: fixed;
  bottom: 24px;
  left: 0;
  right: 0;
  text-align: center;
  color: #fff;
  font-size: 0.95rem;
  margin: 0;
}

/* ---------- Forms ---------- */
form {
  display: grid;
  gap: 14px;
}

label {
  font-weight: 600;
  margin-bottom: 4px;
  display: block;
}

input,
textarea,
select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

/* ---------- Contact / Map ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.contact-info .card {
  margin-bottom: 16px;
}

iframe {
  width: 100%;
  height: 320px;
  border: 0;
  border-radius: var(--radius);
}

/* ---------- Footer ---------- */
.site-footer {
  background: #0a1f3f;
  color: #cfd8e3;
  padding: 50px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}

.footer-grid h4 {
  color: #fff;
  margin-top: 0;
}

.footer-grid ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-grid li {
  margin-bottom: 8px;
}

.footer-grid a {
  color: #cfd8e3;
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 16px;
  font-size: 0.85rem;
}

/* ---------- Utilities ---------- */
.text-center {
  text-align: center;
}

.mt-0 {
  margin-top: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav-toggle {
    display: inline-block;
  }

  .main-nav {
    width: 100%;
    display: none;
  }

  .main-nav.open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
  }

  .site-header .container {
    flex-wrap: wrap;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 40px 0;
  }

  .hero-text h2 {
    font-size: 1.8rem;
  }
}