/* ===================================================================
   Swarnrekha Public High School — site stylesheet
   =================================================================== */
:root {
  --green-900: #0b3d2e;
  --green-800: #10523e;
  --green-700: #14654c;
  --green-100: #e3f1ea;
  --amber-500: #f2a514;
  --amber-600: #d98e06;
  --ink: #1c2b27;
  --muted: #5b6b65;
  --paper: #ffffff;
  --bg: #f7faf8;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(11, 61, 46, 0.10);
  --shadow-sm: 0 2px 10px rgba(11, 61, 46, 0.08);
  --font-head: "Poppins", system-ui, sans-serif;
  --font-body: "Source Sans 3", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 1.06rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
}
img { max-width: 100%; display: block; }
a { color: var(--green-700); text-decoration: none; }
a:hover { color: var(--green-900); }

h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.25; color: var(--green-900); }
h1 { font-size: clamp(1.9rem, 4.5vw, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 600; }
h3 { font-size: 1.18rem; font-weight: 600; }

.container { width: min(1160px, 92%); margin-inline: auto; }
.section { padding: 4.5rem 0; }
.section--alt { background: var(--paper); }
.section-head { max-width: 640px; margin: 0 auto 2.8rem; text-align: center; }
.section-head .eyebrow {
  display: inline-block; font-family: var(--font-head); font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--amber-600); margin-bottom: 0.5rem;
}
.section-head p { color: var(--muted); margin-top: 0.7rem; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block; font-family: var(--font-head); font-weight: 600; font-size: 0.98rem;
  padding: 0.78rem 1.7rem; border-radius: 999px; transition: all 0.2s ease; border: 2px solid transparent;
}
.btn--primary { background: var(--amber-500); color: var(--green-900); }
.btn--primary:hover { background: var(--amber-600); color: var(--green-900); transform: translateY(-2px); }
.btn--ghost { border-color: rgba(255, 255, 255, 0.7); color: #fff; }
.btn--ghost:hover { background: rgba(255, 255, 255, 0.14); color: #fff; }
.btn--outline { border-color: var(--green-700); color: var(--green-700); }
.btn--outline:hover { background: var(--green-700); color: #fff; }

/* ---------- top bar ---------- */
.topbar { background: var(--green-900); color: #cfe6da; font-size: 0.88rem; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding-block: 0.45rem; flex-wrap: wrap; }
.topbar a { color: #fff; font-weight: 600; }
.topbar a:hover { color: var(--amber-500); }
.topbar .contacts { display: flex; gap: 1.4rem; flex-wrap: wrap; }

/* ---------- header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; background: var(--paper);
  box-shadow: 0 1px 0 rgba(11, 61, 46, 0.08);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 0.65rem; }
.brand { display: flex; align-items: center; gap: 0.75rem; }
.brand img { width: 52px; height: 52px; }
.brand .name { font-family: var(--font-head); font-weight: 700; font-size: 1.05rem; color: var(--green-900); line-height: 1.2; }
.brand .tagline { font-size: 0.74rem; color: var(--muted); letter-spacing: 0.04em; }
.nav { display: flex; align-items: center; gap: 1.6rem; }
.nav a { font-family: var(--font-head); font-weight: 500; font-size: 0.95rem; color: var(--ink); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--green-700); }
.nav a[aria-current="page"] { border-bottom: 2px solid var(--amber-500); padding-bottom: 2px; }
.nav .btn { padding: 0.55rem 1.25rem; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 0.4rem; }
.nav-toggle span { display: block; width: 24px; height: 2.5px; background: var(--green-900); margin: 5px 0; border-radius: 2px; transition: 0.25s; }

/* ---------- hero ---------- */
.hero { position: relative; color: #fff; overflow: hidden; }
.hero .bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(8, 45, 34, 0.92) 25%, rgba(8, 45, 34, 0.55) 65%, rgba(8, 45, 34, 0.35));
}
.hero .container { position: relative; z-index: 2; padding: 6.5rem 0; max-width: 760px; margin-left: max(4vw, calc((100% - 1160px) / 2)); }
.hero h1 { color: #fff; margin: 0.6rem 0 1rem; }
.hero .kicker { font-family: var(--font-head); font-weight: 600; font-size: 0.85rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--amber-500); }
.hero p { font-size: 1.15rem; color: #e7f2ec; max-width: 56ch; }
.hero .actions { display: flex; gap: 0.9rem; margin-top: 1.8rem; flex-wrap: wrap; }

/* page hero (subpages) */
.page-hero { background: linear-gradient(115deg, var(--green-900), var(--green-700)); color: #fff; padding: 3.2rem 0; }
.page-hero h1 { color: #fff; }
.page-hero .crumbs { font-size: 0.9rem; color: #bcd9cb; margin-bottom: 0.4rem; }
.page-hero .crumbs a { color: #fff; }

/* ---------- stats strip ---------- */
.stats { background: var(--paper); border-bottom: 1px solid var(--green-100); }
.stats .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; padding-block: 1.6rem; text-align: center; }
.stats .num { font-family: var(--font-head); font-weight: 700; font-size: 1.6rem; color: var(--green-800); }
.stats .label { font-size: 0.88rem; color: var(--muted); }

/* ---------- cards & grids ---------- */
.grid { display: grid; gap: 1.6rem; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--5 { grid-template-columns: repeat(5, 1fr); }

.card {
  background: var(--paper); border-radius: var(--radius); box-shadow: var(--shadow-sm);
  overflow: hidden; transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card img { width: 100%; height: 200px; object-fit: cover; }
.card .body { padding: 1.3rem 1.4rem 1.5rem; }
.card .body p { color: var(--muted); font-size: 0.97rem; margin-top: 0.45rem; }

/* achievers */
.achiever { text-align: center; padding: 1.6rem 1rem 1.4rem; }
.achiever img { width: 110px; height: 110px; border-radius: 50%; object-fit: cover; margin: 0 auto 0.9rem; border: 4px solid var(--green-100); }
.achiever .score { font-family: var(--font-head); font-weight: 700; color: var(--amber-600); font-size: 1.05rem; }
.achiever .session { font-size: 0.85rem; color: var(--muted); }

/* about split */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 3rem; align-items: center; }
.split .photo { border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; align-self: center; }
.split .photo img { width: 100%; height: 100%; max-height: 460px; object-fit: cover; }
.split p { color: var(--muted); margin-top: 1rem; }
.checklist { list-style: none; margin-top: 1.2rem; }
.checklist li { padding-left: 1.8rem; position: relative; margin-bottom: 0.55rem; color: var(--ink); }
.checklist li::before { content: "✓"; position: absolute; left: 0; color: var(--amber-600); font-weight: 700; }

/* founder quote */
.founder { background: var(--green-900); color: #dcebe2; }
.founder .wrap { display: grid; grid-template-columns: 240px 1fr; gap: 2.6rem; align-items: center; }
.founder img { width: 220px; height: 220px; object-fit: cover; border-radius: 50%; border: 5px solid rgba(255, 255, 255, 0.18); }
.founder blockquote { font-size: 1.18rem; line-height: 1.7; font-style: italic; }
.founder cite { display: block; margin-top: 1.1rem; font-style: normal; font-family: var(--font-head); color: var(--amber-500); font-weight: 600; }
.founder cite span { display: block; font-weight: 400; font-size: 0.88rem; color: #a8c8b8; }

/* CTA band */
.cta-band { background: linear-gradient(115deg, var(--green-800), var(--green-700)); color: #fff; text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #d7eadf; max-width: 60ch; margin: 0.8rem auto 1.6rem; }

/* gallery */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.gallery-grid a { border-radius: 10px; overflow: hidden; display: block; box-shadow: var(--shadow-sm); }
.gallery-grid img { width: 100%; height: 240px; object-fit: cover; transition: transform 0.3s ease; }
.gallery-grid a:hover img { transform: scale(1.05); }

/* lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 100; background: rgba(8, 30, 22, 0.93);
  display: none; align-items: center; justify-content: center; padding: 2rem;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 92vw; max-height: 86vh; border-radius: 8px; }
.lightbox button {
  position: absolute; top: 1.2rem; right: 1.6rem; background: none; border: 0;
  color: #fff; font-size: 2.4rem; cursor: pointer; line-height: 1;
}

/* contact */
.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.contact-card { background: var(--paper); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 1.8rem; text-align: center; }
.contact-card .icon { font-size: 1.9rem; margin-bottom: 0.6rem; }
.contact-card p { color: var(--muted); font-size: 0.95rem; margin-top: 0.4rem; overflow-wrap: anywhere; }
.map-frame { border: 0; width: 100%; height: 420px; border-radius: var(--radius); box-shadow: var(--shadow-sm); margin-top: 2.5rem; }

/* events */
.event-card { display: flex; gap: 1.4rem; background: var(--paper); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 1.6rem; align-items: flex-start; }
.event-card .date {
  flex: 0 0 auto; background: var(--green-100); color: var(--green-800); border-radius: 10px;
  font-family: var(--font-head); font-weight: 700; text-align: center; padding: 0.7rem 1rem; min-width: 76px;
}
.event-card .date span { display: block; font-size: 0.78rem; font-weight: 500; color: var(--muted); }
.event-card p { color: var(--muted); font-size: 0.97rem; margin-top: 0.35rem; }

/* ---------- footer ---------- */
.site-footer { background: var(--green-900); color: #b9d4c6; font-size: 0.95rem; }
.site-footer .cols { display: grid; grid-template-columns: 1.4fr 0.8fr 1.2fr; gap: 2.6rem; padding: 3.5rem 0 2.5rem; }
.site-footer h3 { color: #fff; font-size: 1.02rem; margin-bottom: 1rem; }
.site-footer a { color: #d8eadf; }
.site-footer a:hover { color: var(--amber-500); }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 0.5rem; }
.site-footer .brandline { display: flex; align-items: center; gap: 0.7rem; margin-bottom: 0.9rem; }
.site-footer .brandline img { width: 44px; height: 44px; }
.site-footer .brandline strong { color: #fff; font-family: var(--font-head); }
.site-footer .legal { border-top: 1px solid rgba(255, 255, 255, 0.12); padding: 1.1rem 0; font-size: 0.85rem; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
address { font-style: normal; line-height: 1.7; }

/* ---------- responsive ---------- */
@media (max-width: 920px) {
  .grid--5, .grid--4, .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .split, .founder .wrap { grid-template-columns: 1fr; }
  .founder img { margin-inline: auto; }
  .founder .wrap { text-align: center; }
  .stats .container { grid-template-columns: repeat(2, 1fr); }
  .contact-cards { grid-template-columns: 1fr; }
  .site-footer .cols { grid-template-columns: 1fr; gap: 2rem; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }

  .nav-toggle { display: block; }
  .nav {
    position: absolute; top: 100%; left: 0; right: 0; background: var(--paper);
    flex-direction: column; align-items: flex-start; gap: 0;
    box-shadow: var(--shadow); display: none; padding: 0.6rem 0;
  }
  .nav.open { display: flex; }
  .nav a { padding: 0.8rem 6%; width: 100%; }
  .nav a[aria-current="page"] { border-bottom: 0; background: var(--green-100); }
  .nav .btn { margin: 0.6rem 6%; width: auto; }
  .hero .container { padding: 4.5rem 0; margin-inline: auto; }
}
@media (max-width: 560px) {
  .grid--4, .grid--3, .grid--2, .gallery-grid { grid-template-columns: 1fr; }
  .grid--5 { grid-template-columns: repeat(2, 1fr); }
  .topbar .container { justify-content: center; }
  .topbar .address { display: none; }
}