:root {
  --bg: #ffffff;
  --bg-2: #f5f4f1;
  --card: #ffffff;
  --ink: #141416;
  --muted: #5d5c63;
  --line: #e4e2dd;
  --accent: #e0261b;
  --accent-2: #d8661f;
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.6 Montserrat, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { line-height: 1.12; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.2rem, 6vw, 4.2rem); font-weight: 800; }
h1 em, h2 em { font-style: normal; color: var(--accent); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1em; }
a { color: inherit; }

.wrap { width: min(1160px, 100% - 32px); margin-inline: auto; }
.eyebrow { text-transform: uppercase; letter-spacing: .16em; font-size: .78rem; font-weight: 600; color: var(--accent); margin-bottom: .8em; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 46ch; }
.muted { color: var(--muted); }
.center { text-align: center; }

.btn {
  display: inline-block; padding: .85em 1.5em; border-radius: 999px;
  background: var(--accent); color: #fff; text-decoration: none; font-weight: 600;
  border: 2px solid var(--accent); cursor: pointer; font: inherit; font-weight: 600;
  transition: transform .15s ease, filter .15s ease;
}
.btn:hover { transform: translateY(-2px); filter: brightness(1.08); }
.btn-ghost { background: transparent; border-color: var(--ink); color: var(--ink); }
.btn-sm { padding: .5em 1.1em; font-size: .88rem; white-space: nowrap; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 1rem; }
.logo { text-decoration: none; font-weight: 800; font-size: 1.05rem; line-height: 1.1; letter-spacing: .02em; }
.logo small { display: block; font-weight: 500; font-size: .72rem; color: var(--muted); letter-spacing: .04em; }
.logo b { color: var(--accent); }
.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a:not(.btn) { text-decoration: none; font-weight: 500; font-size: .95rem; color: var(--muted); }
.nav-links a:not(.btn):hover, .nav-links a[aria-current] { color: var(--ink); }
.menu-btn { display: none; background: none; border: 0; color: var(--ink); font-size: 1.6rem; cursor: pointer; padding: .2rem .4rem; }
@media (max-width: 820px) {
  .menu-btn { display: block; }
  .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--bg-2); border-bottom: 1px solid var(--line); padding: .5rem 16px 1rem; }
  .nav-links.open { display: flex; }
  .nav-links a:not(.btn) { padding: .8rem 0; border-bottom: 1px solid var(--line); }
  .nav-links .btn { margin-top: 1rem; text-align: center; }
}

/* Partners banner */
.partners { background: #1a1a1a; }
.partners img { width: 100%; max-width: 1400px; margin-inline: auto; }

/* Hero */
.hero { padding: clamp(3rem, 9vw, 6rem) 0; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 3rem; align-items: center; }
.hero-cta { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 2rem; }
.hero-img { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }

.page-head { padding: clamp(3rem, 8vw, 5rem) 0 1rem; }

/* Sections */
.section { padding: clamp(3.5rem, 9vw, 6rem) 0; }
.section-alt { background: var(--bg-2); border-block: 1px solid var(--line); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 2rem; } }

.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; margin-top: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 2rem; }
@media (max-width: 1000px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 860px) { .grid-3 { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .grid-4 { grid-template-columns: 1fr; } }

.card { background: var(--card); box-shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.05); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; display: flex; flex-direction: column; }
.card p { color: var(--muted); flex: 1; }
.card .price { font-weight: 800; font-size: 1.3rem; color: var(--ink); margin: .2rem 0 1rem; }
.card .price small { font-weight: 500; font-size: .85rem; color: var(--muted); }
.card .tagline { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--accent-2); font-weight: 600; margin-bottom: .6rem; }
.card a.more { color: var(--accent); font-weight: 600; text-decoration: none; }
.card a.more:hover { text-decoration: underline; }
.card-num { font-size: .8rem; font-weight: 700; color: var(--accent); letter-spacing: .1em; margin-bottom: .8rem; }

/* Course detail */
.course { display: grid; grid-template-columns: 420px 1fr; gap: 2.5rem; align-items: center; padding: 3rem 0; border-top: 1px solid var(--line); scroll-margin-top: 80px; }
.course:first-of-type { border-top: 0; }
.course:nth-of-type(even) { grid-template-columns: 1fr 420px; }
.course:nth-of-type(even) .course-img { order: 2; }
.course-img { border-radius: var(--radius); overflow: hidden; background: #fff; border: 1px solid var(--line); }
.course .price { font-size: 1.6rem; font-weight: 800; margin: .4rem 0 1.4rem; }
.course .price small { font-size: .9rem; font-weight: 500; color: var(--muted); }
@media (max-width: 860px) {
  .course, .course:nth-of-type(even) { grid-template-columns: 1fr; }
  .course:nth-of-type(even) .course-img { order: 0; }
}

.features { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.4rem; }
.features li { border-left: 3px solid var(--accent); padding-left: 1.2rem; }
.features p { margin: 0; color: var(--muted); }

.stats { display: flex; gap: 3rem; flex-wrap: wrap; margin: 1.5rem 0 2rem; }
.stats strong { display: block; font-size: 2.6rem; font-weight: 800; color: var(--accent); line-height: 1; }
.stats span { color: var(--muted); font-size: .95rem; }

/* FAQ */
.faq { max-width: 820px; margin-top: 2rem; }
.faq details { border-bottom: 1px solid var(--line); padding: 1.1rem 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 1.4rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: .8rem 0 0; color: var(--muted); }

.map { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); aspect-ratio: 4 / 3; }
.map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(.4); }

/* Contact form */
.form { display: grid; gap: .9rem; }
.form label { font-size: .9rem; color: var(--muted); display: grid; gap: .35rem; }
.form input, .form textarea, .form select {
  font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line);
  border-radius: 10px; padding: .8rem 1rem; width: 100%;
}
.form input:focus, .form textarea:focus, .form select:focus { outline: 2px solid var(--accent); border-color: transparent; }
.form textarea { min-height: 130px; resize: vertical; }
.form .btn { justify-self: start; }

.cta-band { background: linear-gradient(120deg, var(--accent), var(--accent-2)); border-radius: var(--radius); padding: clamp(2rem, 5vw, 3.5rem); display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.cta-band h2 { margin: 0; }
.cta-band { color: #fff; }
.cta-band .btn { background: #141416; border-color: #141416; color: #fff; }

/* Footer */
.footer { border-top: 1px solid var(--line); padding: 3rem 0 2rem; font-size: .92rem; color: var(--muted); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; }
.footer h4 { color: var(--ink); margin: 0 0 .8rem; font-size: .95rem; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--ink); }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .4rem; }
.footer-bottom { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; font-size: .85rem; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }

/* Legal */
.legal { padding: 4rem 0; max-width: 760px; }
.legal h2 { font-size: 1.3rem; margin-top: 2rem; }
.legal p { color: var(--muted); }