/* HBS brand: #0138EA (70%) + #FFFFFF (30%). Bento cards, bold grotesk. */
:root {
  --blue: #0138ea;
  --blue-700: #012bb4;
  --blue-900: #011b72;
  --blue-50: #eef3ff;
  --blue-100: #dbe5ff;
  --white: #ffffff;
  --ink: #0a1633;
  --muted: #5b6785;
  --line: #e3e8f4;
  --radius: 28px;
  --radius-sm: 18px;
  --shadow: 0 1px 0 rgba(10, 22, 51, 0.04), 0 12px 32px -12px rgba(1, 56, 234, 0.25);
  --font: "Inter Tight", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: #f4f6fb;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img, svg, video, iframe { display: block; max-width: 100%; }
a { color: inherit; }
.wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 768px) { .wrap { padding: 0 28px; } }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 26px; border-radius: 999px; border: 0; cursor: pointer;
  font: 700 16px/1 var(--font); letter-spacing: -0.01em; text-decoration: none;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}
.btn:active { transform: scale(0.98); }
.btn-white { background: var(--white); color: var(--blue); }
.btn-white:hover { box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.25); }
.btn-blue { background: var(--blue); color: var(--white); }
.btn-blue:hover { background: var(--blue-700); }
.btn-ghost { background: transparent; color: var(--blue); box-shadow: inset 0 0 0 2px var(--blue-100); }
.btn-ghost:hover { box-shadow: inset 0 0 0 2px var(--blue); }
.btn-lg { min-height: 60px; font-size: 18px; padding: 0 32px; }
.btn-block { width: 100%; }
.btn .arrow { width: 22px; height: 22px; }

/* ---------- header ---------- */
.top {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255, 255, 255, 0.86); backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--line);
}
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 68px; }
.logo { color: var(--blue); width: 118px; }
.top .chip { display: none; }
@media (min-width: 768px) { .top .chip { display: inline-flex; } .logo { width: 132px; } }
.top .btn { min-height: 44px; padding: 0 20px; font-size: 15px; }

.chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px;
  font: 600 13px/1 var(--font); background: var(--blue-50); color: var(--blue);
}
.chip .dot { width: 8px; height: 8px; border-radius: 50%; background: #ff3b3b; box-shadow: 0 0 0 0 rgba(255, 59, 59, 0.6); animation: pulse 1.8s infinite; }
.chip-on-blue { background: rgba(255, 255, 255, 0.14); color: var(--white); }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(255, 59, 59, 0.55); } 70% { box-shadow: 0 0 0 9px rgba(255, 59, 59, 0); } 100% { box-shadow: 0 0 0 0 rgba(255, 59, 59, 0); } }

/* ---------- cards / bento ---------- */
.card { border-radius: var(--radius); padding: 24px; background: var(--white); border: 1px solid var(--line); }
.card-blue { background: var(--blue); color: var(--white); border-color: transparent; }
@media (min-width: 768px) { .card { padding: 32px; } }

.bento { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 900px) {
  .bento { grid-template-columns: 1.25fr 1fr 0.72fr; grid-template-rows: auto auto; gap: 18px; }
  .bento .b-hero { grid-row: span 2; }
  .bento .b-mark { grid-row: span 2; }
}
.b-hero { display: flex; flex-direction: column; justify-content: space-between; min-height: 520px; position: relative; overflow: hidden; }
.b-hero .brand { width: 150px; color: var(--white); }
.b-hero h1 { margin: 28px 0 0; font-size: clamp(64px, 17vw, 104px); line-height: 0.88; letter-spacing: -0.055em; font-weight: 800; }
.b-hero .lead { margin: 22px 0 0; font-size: clamp(17px, 2vw, 20px); line-height: 1.4; color: rgba(255, 255, 255, 0.9); max-width: 440px; }
.b-hero .actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 28px; }
.b-hero .dates { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }

.list-title { margin: 0 0 14px; color: var(--blue); font-size: 22px; font-weight: 750; letter-spacing: -0.02em; }
.num-list { list-style: none; margin: 0; padding: 0; }
.num-list li { display: flex; gap: 16px; align-items: baseline; padding: 13px 0; border-top: 1px solid var(--line); font-weight: 600; font-size: 17px; }
.num-list li span { color: var(--blue); font-size: 13px; font-weight: 700; min-width: 20px; }

.b-principle { display: flex; flex-direction: column; justify-content: space-between; gap: 40px; }
.b-principle p { margin: 0; font-size: 20px; line-height: 1.25; font-weight: 700; letter-spacing: -0.01em; }
.b-principle svg { width: 34px; height: 34px; }

.b-mark { display: none; position: relative; overflow: hidden; min-height: 240px; }
@media (min-width: 900px) { .b-mark { display: flex; flex-direction: column; justify-content: flex-end; } }
.b-mark .glass { position: absolute; top: 40px; right: -10px; width: 78%; color: rgba(255, 255, 255, 0.22); filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.15)); }
.b-mark p { position: relative; margin: 0; font-size: 24px; font-weight: 750; letter-spacing: -0.02em; line-height: 1.1; }

/* ---------- sections ---------- */
section.sec { padding: 64px 0 0; }
@media (min-width: 768px) { section.sec { padding-top: 96px; } }
.eyebrow { display: inline-block; font: 700 13px/1 var(--font); letter-spacing: 0.08em; text-transform: uppercase; color: var(--blue); margin-bottom: 14px; }
h2.h { margin: 0 0 28px; font-size: clamp(32px, 5vw, 52px); line-height: 1.02; letter-spacing: -0.04em; font-weight: 800; max-width: 820px; }
h2.h em { font-style: normal; color: var(--blue); }

.grid-2 { display: grid; gap: 14px; grid-template-columns: 1fr; }
.grid-3 { display: grid; gap: 14px; grid-template-columns: 1fr; }
.grid-4 { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 700px) { .grid-2, .grid-4 { grid-template-columns: 1fr 1fr; } .grid-3 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } .grid-4 { grid-template-columns: repeat(4, 1fr); } }

.who h3, .qa h3 { margin: 0 0 8px; font-size: 20px; letter-spacing: -0.02em; line-height: 1.2; }
.who p, .qa p { margin: 0; color: var(--muted); font-size: 16px; }
.who .ico { width: 44px; height: 44px; border-radius: 14px; background: var(--blue-50); color: var(--blue); display: grid; place-items: center; margin-bottom: 18px; }
.who .ico svg { width: 22px; height: 22px; }
.quote { margin-top: 14px; font-size: 14px; color: var(--blue); font-weight: 600; }

.qa .q { font-size: 14px; font-weight: 700; color: var(--blue); margin-bottom: 10px; }
.qa.card-blue p { color: rgba(255, 255, 255, 0.85); }
.qa.card-blue .q { color: rgba(255, 255, 255, 0.7); }

/* program timeline */
.days { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 900px) { .days { grid-template-columns: repeat(3, 1fr); } }
.day { display: flex; flex-direction: column; gap: 14px; }
.day .tag { align-self: flex-start; padding: 6px 12px; border-radius: 999px; font: 700 12px/1 var(--font); letter-spacing: 0.04em; text-transform: uppercase; }
.day .tag.free { background: #e8f8ee; color: #128048; }
.day .tag.paid { background: var(--blue-50); color: var(--blue); }
.card-blue .tag.paid { background: rgba(255, 255, 255, 0.16); color: var(--white); }
.day .date { font-size: 30px; font-weight: 800; letter-spacing: -0.04em; line-height: 1; }
.day h3 { margin: 0; font-size: 19px; line-height: 1.2; letter-spacing: -0.02em; }
.day ul { margin: 0; padding: 0 0 0 18px; color: var(--muted); font-size: 15px; }
.card-blue.day ul { color: rgba(255, 255, 255, 0.85); }
.day li + li { margin-top: 6px; }

/* principle band */
.band { margin-top: 64px; border-radius: var(--radius); background: var(--blue); color: var(--white); padding: 40px 24px; position: relative; overflow: hidden; }
@media (min-width: 768px) { .band { padding: 64px; margin-top: 96px; } }
.band p { margin: 0; position: relative; font-size: clamp(28px, 4.4vw, 54px); line-height: 1.03; letter-spacing: -0.045em; font-weight: 800; max-width: 880px; }
.band .glass { position: absolute; right: -40px; bottom: -60px; width: 300px; color: rgba(255, 255, 255, 0.12); }

/* faq */
.faq { display: grid; gap: 10px; }
.faq details { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 0 22px; }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 20px 0; font-weight: 700; font-size: 17px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--blue); font-size: 26px; font-weight: 500; line-height: 1; transition: transform 0.2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 20px; color: var(--muted); }

/* final cta */
.final { margin: 64px 0 0; text-align: center; padding: 56px 24px; }
@media (min-width: 768px) { .final { margin-top: 96px; padding: 80px 40px; } }
.final h2 { margin: 0 auto 16px; max-width: 760px; font-size: clamp(34px, 5.2vw, 60px); line-height: 1; letter-spacing: -0.045em; font-weight: 800; }
.final p { margin: 0 auto 28px; max-width: 540px; color: rgba(255, 255, 255, 0.85); font-size: 18px; }

footer { padding: 40px 0 120px; color: var(--muted); font-size: 13px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center; }
footer .logo { width: 104px; }

/* mobile sticky CTA */
.sticky-cta {
  position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 50;
  transform: translateY(140%); transition: transform 0.25s ease;
}
.sticky-cta.show { transform: none; }
.sticky-cta .btn { width: 100%; box-shadow: 0 16px 40px -12px rgba(1, 56, 234, 0.6); }
@media (min-width: 900px) { .sticky-cta { display: none; } footer { padding-bottom: 48px; } }

/* reveal */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } .chip .dot { animation: none; } }

@media (min-width: 900px) { .b-hero h1 { font-size: clamp(72px, 7.4vw, 100px); } }

/* 100% kafolat */
.guarantee{display:flex;gap:20px;align-items:center;margin-top:24px;border:2px solid var(--blue,#1f3cff)}
.guarantee .g-mark{flex:0 0 auto;width:88px;height:88px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:24px;color:#fff;background:var(--blue,#1f3cff)}
.guarantee h3{margin:0 0 6px}
.guarantee p{margin:0}
.g-pill{display:inline-block;margin:6px 0 10px;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.16);font-size:14px;font-weight:600}
@media (max-width:560px){.guarantee{flex-direction:column;text-align:center}}

/* inline line icons (replace emoji) — take the text colour */
.ic { width: 1.1em; height: 1.1em; flex: none; display: inline-block; vertical-align: -0.18em; }
.g-pill { display: inline-flex !important; align-items: center; gap: 7px; }
.compare .yes .ic { width: 20px; height: 20px; vertical-align: middle; }
.vsl .unmute .ico { color: #fff; }
.vsl .unmute .ico .ic { width: 22px; height: 22px; vertical-align: 0; }