:root {
  --ink: #0e1624;
  --muted: #5a6578;
  --paper: #f3f0ea;
  --card: #ffffff;
  --line: color-mix(in srgb, #115da5 12%, #d7d2c8);
  --cui: #115da5;
  --cui-dark: #0b3d6d;
  --plum: #4b297f;
  --gold: #c4a035;
  --night: #07111f;
  --glass: color-mix(in srgb, #07111f 72%, transparent);
  --max: 96rem;
  --gutter: 1.5rem;
  --inset: var(--gutter);
  --radius: 1.15rem;
  --shadow: 0 18px 50px color-mix(in srgb, #07111f 16%, transparent);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, color-mix(in srgb, var(--cui) 14%, transparent), transparent 60%),
    radial-gradient(900px 400px at 100% 0%, color-mix(in srgb, var(--plum) 12%, transparent), transparent 55%),
    var(--paper);
  font-family: Outfit, "Segoe UI", sans-serif;
  line-height: 1.55;
}

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

a {
  color: var(--cui);
}

.top {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem 1.2rem;
  padding: 0.85rem var(--inset);
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(1.4);
  border-bottom: 1px solid color-mix(in srgb, white 12%, transparent);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: #fff;
}

.brand__logo {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  background: #12081f;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--gold) 70%, white);
}

.brand__kicker {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: color-mix(in srgb, white 70%, var(--gold));
}

.brand__name {
  display: block;
  font-family: Syne, Outfit, sans-serif;
  font-size: 1.28rem;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.nav-toggle {
  display: none;
  margin-left: auto;
  border: 1px solid color-mix(in srgb, white 30%, transparent);
  background: transparent;
  color: #fff;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  font: inherit;
  font-weight: 600;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 1rem;
  font-size: 0.94rem;
}

.nav > a:not(.btn) {
  color: color-mix(in srgb, white 86%, #9ec5ea);
  text-decoration: none;
  font-weight: 500;
}

.nav > a:not(.btn):hover,
.nav > a[aria-current="page"] {
  color: #fff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  border: 0;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn--solid {
  background: linear-gradient(120deg, var(--cui), var(--plum));
  color: #fff;
  box-shadow: 0 8px 22px color-mix(in srgb, var(--plum) 35%, transparent);
}

.btn--ghost {
  color: #fff;
  border: 1px solid color-mix(in srgb, white 35%, transparent);
}

.btn--line {
  color: #fff;
  border: 1px solid color-mix(in srgb, white 55%, transparent);
  background: color-mix(in srgb, white 8%, transparent);
}

.btn--lg {
  padding: 0.85rem 1.35rem;
  font-size: 1.02rem;
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: min(82vh, 44rem);
  display: grid;
  align-items: end;
  padding: 5.5rem var(--inset) 4.25rem;
  color: #fff;
  background:
    linear-gradient(105deg, rgba(7, 17, 31, 0.88) 8%, rgba(11, 61, 109, 0.42) 48%, rgba(7, 17, 31, 0.22) 100%),
    url("image/Cover.jpg") center / cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 5rem;
  background: linear-gradient(transparent, var(--paper));
  z-index: -1;
}

.hero__inner {
  max-width: none;
  margin: 0;
  width: 100%;
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.hero h1 {
  margin: 0;
  max-width: 12ch;
  font-family: Syne, Outfit, sans-serif;
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.05em;
  text-wrap: balance;
}

.lede {
  max-width: 40rem;
  margin: 1.2rem 0 1.8rem;
  color: color-mix(in srgb, white 82%, #9ec5ea);
  font-size: 1.12rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.wrap {
  width: 100%;
  margin: 0;
  padding: 0 var(--inset) 4.5rem;
}

.courses {
  padding-top: 1.25rem;
}

.courses__head h2,
.page-title {
  margin: 0 0 0.4rem;
  font-family: Syne, Outfit, sans-serif;
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.courses__head p,
.lead {
  margin: 0 0 1rem;
  color: var(--muted);
  max-width: 42rem;
}

.course-grid {
  display: grid;
  width: 100%;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
}

@media (max-width: 1100px) {
  .course-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .course-grid {
    grid-template-columns: 1fr;
  }
}

.course-card {
  background: var(--card);
  border-radius: 0.85rem;
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.course-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 40px color-mix(in srgb, var(--plum) 18%, transparent);
}

.course-card .badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 2;
  padding: 0.32rem 0.65rem;
  border-radius: 999px;
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: linear-gradient(90deg, #a90329, #c44848);
  box-shadow: 0 6px 16px color-mix(in srgb, #a90329 40%, transparent);
}

.course-card .badge.is-free {
  background: linear-gradient(90deg, #1f7a4d, #3ea36a);
}

.course-card .badge.is-popular {
  background: linear-gradient(90deg, var(--plum), var(--cui));
}

.course-card .tilt {
  overflow: hidden;
}

.course-card .img {
  height: 8.25rem;
  overflow: hidden;
  flex: 0 0 auto;
}

.course-card .img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s ease;
}

.course-card:hover .img img {
  transform: scale(1.07);
}

.course-card .info {
  padding: 0.4rem 0.7rem 0.45rem;
  line-height: 1.2;
  flex: 0 0 auto;
}

.course-card .info h2,
.course-card .info p {
  margin: 0;
}

.course-card .cat {
  margin: 0 0 1px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--plum);
  line-height: 1.1;
}

.course-card .title {
  margin: 0 0 2px;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.course-card .desc {
  margin: 0 0 0.28rem;
  font-size: 0.72rem;
  color: var(--muted);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.course-card .feats {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.22rem;
  margin: 0 0 0.32rem;
  overflow: hidden;
}

.course-card .feat {
  font-size: 0.62rem;
  background: color-mix(in srgb, var(--cui) 8%, #f4f1ea);
  color: var(--cui-dark);
  padding: 1px 0.4rem;
  border-radius: 999px;
  font-weight: 600;
  line-height: 1.3;
}

.course-card .bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

.course-card .new {
  font-size: 0.8rem;
  font-weight: 700;
  color: #3d6b3a;
}

.course-card .enroll {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background: linear-gradient(45deg, #18181b, #27272a);
  color: #fff;
  border-radius: 0.45rem;
  padding: 0.28rem 0.55rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-decoration: none;
}

.course-card .enroll:hover {
  background: linear-gradient(45deg, var(--cui-dark), var(--plum));
}

.course-card .enroll .icon {
  width: 17px;
  height: 17px;
}

.strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2.75rem;
}

.strip__item {
  padding: 1.2rem 1.15rem;
  background: color-mix(in srgb, white 70%, var(--paper));
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.strip__item span {
  font-family: Syne, sans-serif;
  color: var(--cui);
  font-size: 1.15rem;
  font-weight: 800;
}

.strip__item h2 {
  margin: 0.3rem 0 0.35rem;
  font-size: 1.05rem;
}

.strip__item p {
  margin: 0 0 0.55rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.page-hero {
  padding: 3.25rem var(--inset) 1.5rem;
  color: #fff;
  background:
    linear-gradient(120deg, rgba(7, 17, 31, 0.86), rgba(75, 41, 127, 0.55)),
    url("image/Cover.jpg") center 35% / cover no-repeat;
}

.page-hero .hero__inner {
  max-width: none;
  width: 100%;
}

.page-hero h1 {
  margin: 0;
  font-family: Syne, sans-serif;
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: -0.04em;
}

.prose {
  max-width: 46rem;
  margin: 0 auto;
  padding: 2.25rem 1.5rem 4.5rem;
}

.prose h2 {
  margin: 2rem 0 0.6rem;
  font-family: Syne, sans-serif;
  font-size: 1.25rem;
}

.prose p,
.prose li {
  color: color-mix(in srgb, var(--ink) 82%, var(--muted));
}

.prose ul {
  padding-left: 1.15rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.contact-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.2rem 1.15rem;
  box-shadow: var(--shadow);
}

.contact-card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.contact-card p {
  margin: 0.25rem 0;
}

.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.85rem 1.5rem;
  width: 100%;
  margin: 0;
  padding: 1.35rem var(--inset) 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.foot nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.15rem;
}

.foot a {
  color: var(--cui-dark);
  text-decoration: none;
  font-weight: 600;
}

.foot a:hover {
  color: var(--plum);
}

@media (min-width: 1400px) {
  :root {
    --inset: max(var(--gutter), calc((100vw - min(80vw, var(--max))) / 2));
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 0.35rem 0 0.7rem;
  }

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

  .strip {
    grid-template-columns: 1fr;
  }
}

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

  .course-card,
  .course-card .img img,
  .btn {
    transition: none;
  }
}