:root {
  --navy: #082b57;
  --blue: #006dad;
  --sky: #c8e9f4;
  --green: #4eb45d;
  --lime: #a6ce39;
  --ink: #0f2842;
  --paper: #f7fbfd;
  --white: #ffffff;
  --line: rgba(8, 43, 87, 0.14);
  --shadow: 0 24px 70px rgba(4, 37, 70, 0.13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, Aptos, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; background: var(--navy); color: white; padding: .75rem 1rem; }
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255,255,255,.2);
  background: rgba(247,251,253,.9);
  backdrop-filter: blur(18px);
}
.nav { max-width: 1180px; margin: auto; padding: .9rem 1.5rem; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.brand img { width: 235px; height: auto; }
.nav-links { display: flex; align-items: center; gap: 1.25rem; font-size: .93rem; font-weight: 700; }
.nav-links a { text-decoration: none; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--blue); }
.nav-cta { border: 1px solid var(--navy); border-radius: 999px; padding: .55rem 1rem; }
.lang-switch { display: inline-flex; align-items: center; padding: .25rem; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.72); }
.lang-switch a { min-width: 38px; min-height: 32px; display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; font-size: .78rem; letter-spacing: .06em; }
.lang-switch a[aria-current="page"] { background: var(--navy); color: white; }

.hero {
  overflow: hidden;
  position: relative;
  min-height: 700px;
  display: grid;
  align-items: center;
  background: linear-gradient(120deg, rgba(247,251,253,.98) 8%, rgba(247,251,253,.92) 50%, rgba(247,251,253,.15) 72%),
    url("assets/qualisphere-sustainable-growth.png") center/cover no-repeat;
}
.hero::before {
  content: "";
  position: absolute;
  inset: auto -10% -45% 42%;
  width: 850px;
  aspect-ratio: 1;
  border: 1px solid rgba(78,180,93,.3);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(0,109,173,.05), 0 0 0 150px rgba(78,180,93,.04);
}
.hero-inner { width: min(1180px, calc(100% - 3rem)); margin: auto; position: relative; z-index: 1; }
.hero-copy { max-width: 720px; padding: 6.5rem 0 5rem; }
.eyebrow { display: inline-flex; align-items: center; gap: .7rem; margin: 0 0 1.4rem; color: var(--blue); font-weight: 800; letter-spacing: .12em; text-transform: uppercase; font-size: .78rem; }
.eyebrow::before { content: ""; width: 28px; height: 3px; background: var(--green); border-radius: 9px; }
h1, h2, h3 { color: var(--navy); line-height: 1.08; margin-top: 0; }
h1 { font-size: clamp(3.2rem, 7vw, 6.7rem); letter-spacing: -.06em; margin-bottom: 1.4rem; }
h1 span { color: var(--blue); }
.lead { font-size: clamp(1.15rem, 2vw, 1.45rem); max-width: 650px; margin: 0 0 2rem; }
.hero-actions { display: flex; gap: .9rem; flex-wrap: wrap; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: .75rem 1.25rem; border-radius: 999px; border: 1px solid var(--navy); text-decoration: none; font-weight: 800; transition: transform .2s, box-shadow .2s, background .2s; }
.button:hover, .button:focus-visible { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(8,43,87,.16); }
.button-primary { background: var(--navy); color: white; }
.button-secondary { background: rgba(255,255,255,.82); }
.launch-note { display: flex; gap: 1rem; align-items: center; margin-top: 2.2rem; font-weight: 700; }
.launch-date { display: grid; place-items: center; width: 70px; aspect-ratio: 1; border-radius: 18px; color: white; background: linear-gradient(145deg, var(--blue), var(--navy)); box-shadow: var(--shadow); font-size: .77rem; line-height: 1.2; text-align: center; text-transform: uppercase; }
.launch-date strong { display: block; font-size: 1.45rem; }

.section { padding: 6.5rem 1.5rem; }
.section-inner { max-width: 1120px; margin: auto; }
.section-head { display: grid; grid-template-columns: .85fr 1.15fr; gap: 4rem; align-items: end; margin-bottom: 3rem; }
.section h2 { font-size: clamp(2.4rem, 5vw, 4.2rem); letter-spacing: -.045em; margin-bottom: 0; }
.section-head p { font-size: 1.15rem; margin: 0; max-width: 650px; }
.dark { background: var(--navy); color: #eaf4f8; }
.dark h2, .dark h3 { color: white; }
.dark .eyebrow { color: var(--sky); }

.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.15); }
.principle { min-height: 260px; padding: 2rem; background: var(--navy); display: flex; flex-direction: column; justify-content: space-between; }
.principle-num { color: var(--green); font-weight: 800; font-size: .8rem; letter-spacing: .12em; }
.principle h3 { font-size: 1.7rem; margin: 2rem 0 .8rem; }
.principle p { margin: 0; color: #cfe0e9; }

.program-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.program-card { position: relative; overflow: hidden; background: white; border: 1px solid var(--line); border-radius: 28px; padding: 2rem; min-height: 245px; box-shadow: 0 12px 40px rgba(8,43,87,.06); }
.program-card:first-child { grid-row: span 2; min-height: 515px; background: linear-gradient(160deg, #fff, #eef8fb); }
.program-card .number { font-size: 4rem; font-weight: 800; color: rgba(0,109,173,.12); position: absolute; right: 1.5rem; top: .5rem; }
.program-card h3 { font-size: 1.55rem; margin: 3.6rem 0 .8rem; }
.program-card p { margin-bottom: 0; }
.week-stack { margin-top: 2.2rem; display: grid; gap: .75rem; }
.week { display: flex; gap: .8rem; align-items: center; border: 1px solid var(--line); padding: .75rem 1rem; border-radius: 14px; background: rgba(255,255,255,.8); font-weight: 700; }
.week b { color: var(--green); }

.prepare { background: linear-gradient(135deg, #e7f5fa, #f7fbfd 54%, #edf8e7); }
.prep-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 4rem; align-items: center; }
.prep-list { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: 1rem; }
.prep-list li { display: grid; grid-template-columns: 42px 1fr; gap: .9rem; align-items: start; }
.check { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; background: var(--green); color: white; font-weight: 900; }
.quote-panel { border-radius: 32px; background: var(--navy); color: white; padding: 3rem; box-shadow: var(--shadow); }
.quote-panel blockquote { margin: 0; font-size: clamp(1.8rem, 3.6vw, 3rem); line-height: 1.15; font-weight: 750; letter-spacing: -.025em; }
.quote-panel p { color: var(--sky); margin: 1.5rem 0 0; }

.final-cta { text-align: center; padding: 7rem 1.5rem; background: white; }
.final-cta img { width: min(720px, 90%); margin: 0 auto 2rem; }
.final-cta h2 { font-size: clamp(2.2rem, 4vw, 3.7rem); margin-bottom: 1rem; }
.final-cta p { max-width: 650px; margin: 0 auto 2rem; font-size: 1.12rem; }

.footer { background: #041c37; color: #c9dbe7; padding: 2.5rem 1.5rem; }
.footer-inner { max-width: 1120px; margin: auto; display: flex; justify-content: space-between; gap: 2rem; align-items: center; }
.footer-brand { display: flex; align-items: center; gap: .8rem; }
.footer-brand img { width: 36px; height: auto; }
.footer a { color: white; }

.legal-main { min-height: 70vh; background: linear-gradient(180deg, #eef8fb, #fff); }
.legal-hero { padding: 6rem 1.5rem 2.5rem; }
.legal-content { max-width: 880px; margin: auto; background: white; padding: 3rem; border-radius: 28px; border: 1px solid var(--line); box-shadow: var(--shadow); }
.legal-content h1 { font-size: clamp(2.8rem, 6vw, 5rem); }
.legal-content h2 { font-size: 1.5rem; margin-top: 2.7rem; }
.legal-content address { font-style: normal; }
.notice { margin: 2rem 0; padding: 1.25rem 1.5rem; border-left: 5px solid #e4a11b; background: #fff7df; border-radius: 0 14px 14px 0; }
.legal-meta { color: #557087; font-size: .9rem; }

@media (max-width: 820px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .nav-links .lang-switch a { display: inline-flex; }
  .nav-links { gap: .6rem; }
  .brand img { width: 190px; }
  .hero { min-height: 650px; background-position: 64% center; }
  .hero-copy { padding-top: 4.5rem; max-width: 92%; }
  .section-head, .prep-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .principles, .program-grid { grid-template-columns: 1fr; }
  .program-card:first-child { grid-row: auto; min-height: auto; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 520px) {
  .nav { padding-inline: 1rem; }
  .brand img { width: 165px; }
  .nav-cta { padding: .45rem .75rem; }
  h1 { font-size: 3.25rem; }
  .hero { background-image: linear-gradient(110deg, rgba(247,251,253,.98), rgba(247,251,253,.82)), url("assets/qualisphere-sustainable-growth.png"); }
  .section { padding: 4.5rem 1rem; }
  .legal-content, .quote-panel { padding: 1.6rem; border-radius: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}