/* ─── Brand tokens ─────────────────────────────────────────────────────────────
   PLACEHOLDER PALETTE + TYPE. The customer still owes us:
   Primary / Secondary / Silhouette colours and a logo. Swap the values below
   (and public/assets/*) once that lands — nothing else references raw hexes. */
:root {
  --brand-primary:    #1CA0A6;  /* aqua teal — links, highlights, accents      */
  --brand-secondary:  #F2704B;  /* coral — primary CTAs, energy                */
  --brand-silhouette: #14323B;  /* deep slate — headings, dark sections        */
  --brand-ink:        #0C1E24;  /* darkest — footer / nav solid state          */
  --brand-tint:       #E8F6F6;  /* light wash — alt section backgrounds        */
  --brand-body:       #3A4B52;  /* body text on light                          */
  --brand-on-dark:      rgba(255,255,255,.92);
  --brand-on-dark-dim:  rgba(255,255,255,.60);

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
}

/* ─── Reset & base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: #fff; color: var(--brand-silhouette);
  font-family: var(--font-body); -webkit-font-smoothing: antialiased;
  width: 100%; overflow-x: hidden;
}
::selection { background: var(--brand-primary); color: #fff; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; }

/* ─── CTA buttons ──────────────────────────────────────────────────────────── */
.sb-cta { transition: transform .15s ease; }
.sb-cta:hover { transform: translateY(-3px) !important; }
.sb-btn {
  display: inline-flex; align-items: center; gap: 10px; cursor: pointer;
  font-family: var(--font-display); font-weight: 700; font-size: 16px;
  letter-spacing: .04em; text-transform: uppercase;
  padding: 16px 30px; border-radius: 40px; border: none;
}
.sb-btn--primary {
  background: var(--brand-secondary); color: #fff;
  box-shadow: 0 12px 30px rgba(242,112,75,.34);
}
.sb-btn--ghost { background: transparent; color: var(--brand-silhouette); border: 2px solid var(--brand-silhouette); }
.sb-btn--ghost-light { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.35); }

/* ─── Card hover ───────────────────────────────────────────────────────────── */
.sb-card { transition: transform .25s ease, box-shadow .25s ease; }
.sb-card:hover { transform: translateY(-6px); box-shadow: 0 24px 54px rgba(12,30,36,.14) !important; }

/* ─── NAV ──────────────────────────────────────────────────────────────────── */
.sb-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: clamp(16px,2.2vw,22px) clamp(24px,6vw,72px);
  background: rgba(12,30,36,.55); backdrop-filter: blur(10px);
  transition: padding .3s ease, background .3s ease, box-shadow .3s ease;
  font-family: var(--font-body);
}
.sb-nav.scrolled {
  padding: clamp(10px,1.3vw,13px) clamp(24px,6vw,72px);
  background: rgba(12,30,36,.97); box-shadow: 0 8px 30px rgba(0,0,0,.28);
}
.sb-nav__brand { display: flex; align-items: center; }
.sb-nav__logo { height: 40px; width: auto; display: block; transition: height .3s ease; }
.sb-nav.scrolled .sb-nav__logo { height: 34px; }

.sb-nav__links { display: flex; align-items: center; gap: clamp(16px,2vw,32px); }
.sb-nav__link {
  font-family: var(--font-display); font-weight: 600; font-size: 14px;
  letter-spacing: .12em; color: var(--brand-on-dark); text-transform: uppercase;
  padding: 6px 0; transition: color .2s ease;
}
.sb-nav__link:hover { color: var(--brand-primary); }
.sb-nav__cta {
  cursor: pointer; border: none; background: var(--brand-secondary); color: #fff;
  font-family: var(--font-display); font-weight: 700; font-size: 13px;
  letter-spacing: .1em; text-transform: uppercase;
  padding: 11px 22px; border-radius: 40px;
  box-shadow: 0 6px 18px rgba(242,112,75,.32); transition: transform .15s ease;
}
.sb-nav__cta:hover { transform: translateY(-2px); }

/* Burger */
.sb-nav__burger {
  display: none; cursor: pointer; border: none; background: transparent;
  flex-direction: column; gap: 5px; padding: 8px;
}
.sb-burger__bar {
  display: block; width: 26px; height: 3px; background: #fff; border-radius: 2px;
  transition: transform .25s ease, opacity .2s ease;
}
.sb-nav__burger.open .sb-burger__bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.sb-nav__burger.open .sb-burger__bar:nth-child(2) { opacity: 0; }
.sb-nav__burger.open .sb-burger__bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Mobile menu */
.sb-mmenu {
  display: none; position: fixed; top: 0; left: 0; right: 0; z-index: 190;
  background: var(--brand-ink); padding: 96px clamp(24px,6vw,40px) 36px;
  flex-direction: column; gap: 4px; box-shadow: 0 20px 50px rgba(0,0,0,.4);
  font-family: var(--font-display);
}
.sb-mmenu.open { display: flex; }
.sb-mmenu__link {
  color: var(--brand-on-dark); font-weight: 600; font-size: 20px;
  letter-spacing: .08em; text-transform: uppercase; padding: 14px 4px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.sb-mmenu__cta {
  margin-top: 20px; cursor: pointer; border: none;
  background: var(--brand-secondary); color: #fff;
  font-family: var(--font-display); font-weight: 700; font-size: 15px;
  letter-spacing: .1em; text-transform: uppercase;
  padding: 15px 24px; border-radius: 40px;
}

@media (max-width: 860px) {
  .sb-nav__links { display: none; }
  .sb-nav__burger { display: flex; }
}

/* ─── FOOTER ───────────────────────────────────────────────────────────────── */
.sb-footer {
  background: var(--brand-ink); color: var(--brand-on-dark-dim);
  font-family: var(--font-body); padding: 0 0 32px;
}
.sb-footer__grid {
  max-width: 1180px; margin: 0 auto;
  padding: clamp(56px,7vw,80px) clamp(24px,6vw,48px) clamp(32px,4vw,44px);
  display: flex; flex-wrap: wrap; gap: clamp(32px,5vw,64px);
}
.sb-footer__h {
  font-family: var(--font-display); font-weight: 700; font-size: 13px;
  letter-spacing: .2em; color: #fff; text-transform: uppercase; margin: 0 0 16px;
}
.sb-footer__links { display: flex; flex-direction: column; gap: 11px; }
.sb-footer__links a { font-size: 15px; color: var(--brand-on-dark-dim); transition: color .2s ease; }
.sb-footer__links a:hover { color: var(--brand-primary); }
.sb-footer__bar {
  max-width: 1180px; margin: 0 auto;
  padding: 22px clamp(24px,6vw,48px) 0;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between;
  font-size: 13px; color: rgba(255,255,255,.42);
}
.sb-footer__bar a { color: rgba(255,255,255,.42); }
.sb-footer__bar a:hover { color: var(--brand-primary); }