@import url("https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap");

:root {
  --bg: #f6f7f9;
  --surface: #fff;
  --surface-muted: #eef1f5;
  --fg: #0f172a;
  --muted: #5b6575;
  --subtle: #8b95a5;
  --border: #e2e6ed;
  --border-strong: #c8d0dc;
  --navy: #0b1f3a;
  --navy-deep: #071528;
  --navy-mid: #143356;
  --sky: #1b6ca8;
  --sky-soft: #e8f2fa;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 2px rgb(15 23 42 / 0.05);
  --shadow-md: 0 8px 24px rgb(15 23 42 / 0.08);
  --shadow-lg: 0 18px 48px rgb(15 23 42 / 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--fg);
  font-family: "DM Sans", ui-sans-serif, system-ui, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
.wrap { width: 100%; max-width: 72rem; margin-inline: auto; padding-inline: 1.25rem; }
@media (min-width: 768px) { .wrap { padding-inline: 1.75rem; } }
.section { padding-block: 3.5rem; }
@media (min-width: 768px) { .section { padding-block: 5rem; } }
.eyebrow {
  font-size: .75rem; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--sky);
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 2.75rem; padding: 0 1.25rem; border-radius: var(--radius-sm);
  border: 0; font-size: .875rem; font-weight: 600; white-space: nowrap;
}
.btn-sky { background: var(--sky); color: #fff; }
.btn-sky:hover { background: #175c8f; }
.btn-navy { background: var(--navy); color: #fff; }
.btn-outline { background: var(--surface); color: var(--fg); border: 1px solid var(--border-strong); }
.btn-ghost-white { background: transparent; color: #fff; border: 1px solid rgb(255 255 255 / .3); }
.btn-white { background: #fff; color: var(--navy); }
.btn-soft { background: var(--sky-soft); color: var(--sky); }
.badge {
  display: inline-flex; align-items: center; border-radius: 999px;
  padding: .15rem .65rem; font-size: .75rem; font-weight: 600;
}
.badge-navy { background: var(--navy); color: #fff; }
.badge-outline { border: 1px solid var(--border-strong); color: var(--muted); background: var(--surface); }
.badge-sky { background: var(--sky-soft); color: var(--sky); }
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
}

/* header */
.topbar { background: var(--navy); color: #fff; font-size: .8125rem; }
.topbar .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem; padding-block: .5rem; }
.topbar a { font-weight: 500; }
.nav-main {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--surface) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: 4.25rem; }
.brand { display: flex; align-items: center; gap: .75rem; min-width: 0; }
.brand img { width: 40px; height: 40px; object-fit: contain; border-radius: var(--radius-sm); }
.brand strong { display: block; color: var(--navy); font-size: .95rem; }
.brand span { display: block; color: var(--muted); font-size: .75rem; }
.nav-links { display: none; gap: .15rem; }
.nav-links a {
  padding: .5rem .75rem; border-radius: var(--radius-sm); font-size: .875rem; font-weight: 500; color: var(--muted);
}
.nav-links a:hover { background: var(--surface-muted); color: var(--fg); }
.nav-links a.active { background: var(--sky-soft); color: var(--sky); }
.nav-actions { display: flex; align-items: center; gap: .5rem; }
.lang {
  display: inline-flex; border: 1px solid var(--border-strong); background: var(--surface);
  border-radius: 999px; padding: 2px; font-size: .75rem; font-weight: 600;
}
.lang button {
  min-width: 2.5rem; min-height: 2rem; border: 0; border-radius: 999px;
  background: transparent; color: var(--muted);
}
.lang button.active { background: var(--navy); color: #fff; }
.menu-btn { display: inline-flex; width: 2.75rem; height: 2.75rem; align-items: center; justify-content: center; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); background: var(--surface); }
.mobile-nav { display: none; border-top: 1px solid var(--border); background: var(--surface); padding: .75rem 0 1rem; }
.mobile-nav.open { display: block; }
.mobile-nav a { display: block; padding: .75rem; border-radius: var(--radius-sm); font-weight: 500; }
@media (min-width: 1024px) {
  .nav-links { display: flex; }
  .menu-btn { display: none; }
  .hide-lg { display: none !important; }
}
@media (max-width: 1023px) { .hide-sm { display: none !important; } }

/* hero */
.hero { position: relative; overflow: hidden; background: var(--navy-deep); color: #fff; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .45; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, rgb(7 21 40 / .94) 0%, rgb(7 21 40 / .78) 48%, rgb(7 21 40 / .45) 100%);
}
.hero-grid { position: relative; display: grid; gap: 2.5rem; padding-block: 4rem; }
@media (min-width: 768px) { .hero-grid { grid-template-columns: 1.2fr .8fr; padding-block: 6rem; } }
.hero h1 { font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.1; font-weight: 600; letter-spacing: -.02em; margin: 0; }
.hero p.lead { margin: 1.25rem 0 0; max-width: 36rem; color: rgb(255 255 255 / .75); font-size: 1.0625rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; max-width: 32rem; margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid rgb(255 255 255 / .15); }
.stats dt { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: rgb(255 255 255 / .5); }
.stats dd { margin: .25rem 0 0; font-size: 1.5rem; font-weight: 600; }
.chip { display: inline-flex; align-items: center; gap: .5rem; border: 1px solid rgb(255 255 255 / .15); background: rgb(255 255 255 / .1); border-radius: 999px; padding: .25rem .75rem; font-size: .75rem; font-weight: 500; margin-bottom: 1.25rem; }
.side-card { background: rgb(255 255 255 / .95); color: var(--fg); border-radius: var(--radius-xl); padding: 1.25rem; box-shadow: var(--shadow-lg); }
.side-card h2 { margin: .25rem 0 0; color: var(--navy); font-size: 1.125rem; }
.side-dark { background: rgb(20 51 86 / .9); color: #fff; border-radius: var(--radius-xl); padding: 1.25rem; margin-top: 1rem; }

/* grids */
.trust { background: var(--surface); border-bottom: 1px solid var(--border); }
.trust-grid, .card-grid, .news-grid, .tutor-grid, .svc-grid { display: grid; gap: 1.5rem; }
.trust-grid { grid-template-columns: 1fr; padding-block: 2rem; }
@media (min-width: 640px) { .trust-grid { grid-template-columns: 1fr 1fr; } .card-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .trust-grid { grid-template-columns: repeat(4, 1fr); } .card-grid { grid-template-columns: repeat(3, 1fr); } }
.trust-item { display: flex; gap: .75rem; }
.icon { width: 2.5rem; height: 2.5rem; border-radius: var(--radius-sm); background: var(--sky-soft); color: var(--sky); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.course-card { display: flex; flex-direction: column; overflow: hidden; }
.course-card .pad { padding: 1.5rem; }
.course-card h3 { margin: .5rem 0 .4rem; font-size: 1.2rem; line-height: 1.3; }
.course-card p { margin: 0; color: var(--muted); font-size: .9375rem; }
.fee-row { display: flex; justify-content: space-between; align-items: flex-end; border-top: 1px solid var(--border); padding-top: 1rem; margin-top: auto; }
.fee-row strong { display: block; font-size: 1.5rem; color: var(--navy); }
.card-actions { display: flex; gap: .5rem; padding: 0 1.5rem 1.5rem; }
.card-actions .btn { flex: 1; }

.split { display: grid; gap: 2rem; }
@media (min-width: 1024px) { .split { grid-template-columns: 1fr 1fr; } }
.panel { overflow: hidden; box-shadow: var(--shadow-md); border: 0; }
.bar { height: 8px; }
.bar-sky { background: var(--sky); }
.bar-navy { background: var(--navy); }
.pad-lg { padding: 1.5rem 1.75rem 1.75rem; }
.muted { color: var(--muted); }
.check { display: flex; gap: .65rem; font-size: .875rem; color: var(--muted); margin: .6rem 0; }
.tutor-grid { grid-template-columns: 1fr; }
@media (min-width: 768px) { .tutor-grid { grid-template-columns: repeat(3, 1fr); } }
.avatar { width: 3rem; height: 3rem; border-radius: 999px; background: var(--navy); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 600; margin-bottom: .75rem; }
.news { background: var(--surface-muted); border-top: 1px solid var(--border); }
.news-grid { grid-template-columns: 1fr; }
@media (min-width: 768px) { .news-grid { grid-template-columns: 1fr 1fr; } }
.news article { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.5rem; }
.cta { background: var(--navy); color: #fff; }
.cta .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1.5rem; align-items: center; padding-block: 3.5rem; }

/* inner pages */
.page-hero { background: var(--navy); color: #fff; padding-block: 3rem; }
.page-hero h1 { font-size: clamp(1.75rem, 3vw, 2.5rem); margin: .4rem 0 0; font-weight: 600; }
.page-hero p { max-width: 40rem; color: rgb(255 255 255 / .75); }
.detail { display: grid; gap: 2rem; }
@media (min-width: 1024px) { .detail { grid-template-columns: 1fr 20rem; } }
.aside { position: sticky; top: 6.5rem; align-self: start; }
.outline-item { display: flex; gap: .75rem; font-size: .875rem; color: var(--muted); margin: .6rem 0; }
.num { width: 1.5rem; height: 1.5rem; border-radius: 999px; background: var(--sky-soft); color: var(--sky); font-size: .75rem; font-weight: 600; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.day { font-size: .8rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--sky); margin: 1.25rem 0 .5rem; }
.svc-grid { grid-template-columns: 1fr; }
@media (min-width: 640px) { .svc-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .svc-grid { grid-template-columns: repeat(3, 1fr); } }

form .row { display: grid; gap: 1rem; }
@media (min-width: 640px) { form .row { grid-template-columns: 1fr 1fr; } }
label { display: block; font-size: .875rem; font-weight: 500; margin-bottom: .4rem; }
input, textarea {
  width: 100%; min-height: 2.75rem; border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); padding: .65rem .9rem; font: inherit;
}
textarea { min-height: 7rem; }
input:focus, textarea:focus { outline: 2px solid var(--sky); outline-offset: 1px; }

footer { background: var(--navy-deep); color: #fff; }
.foot-grid { display: grid; gap: 2.5rem; padding-block: 3rem; }
@media (min-width: 768px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .foot-grid { grid-template-columns: 1.2fr .9fr .9fr 1.1fr; } }
.foot-grid h3 { font-size: .85rem; margin: 0 0 1rem; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; }
.foot-grid li { margin: .6rem 0; color: rgb(255 255 255 / .7); font-size: .875rem; }
.foot-grid a:hover { color: #fff; }
.legal { border-top: 1px solid rgb(255 255 255 / .1); font-size: .75rem; color: rgb(255 255 255 / .5); }
.legal .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem; padding-block: 1.15rem; }

.section-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; align-items: flex-end; margin-bottom: 2.5rem; }
.section-head h2, .h2 { margin: .4rem 0 0; font-size: 1.85rem; color: var(--navy); font-weight: 600; }
.bg-white { background: var(--surface); }
.border-y { border-block: 1px solid var(--border); }
iframe.map { width: 100%; height: 16rem; border: 0; filter: grayscale(20%); border-radius: var(--radius-lg); }
.flex-gap { display: flex; flex-wrap: wrap; gap: .75rem; }
.mb { margin-bottom: 1rem; }
.mt { margin-top: 1rem; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }