/* Real Scale Marketing: black, white and two neutral grays. Nothing else. */
:root {
  --black: #000;
  --white: #fff;
  --gray: #6b6b6b;        /* secondary text on white (5.3:1) */
  --gray-light: #e6e6e6;  /* borders on white */
  --gray-on-black: #a3a3a3; /* secondary text on black (8.4:1) */
  --heading: "Poppins", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --radius: 10px;
  --nav-h: 72px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--white); color: var(--black); font-family: var(--body); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
@media (min-width: 768px) { body { font-size: 18px; } }
img, svg { display: block; max-width: 100%; }
h1, h2, h3 { font-family: var(--heading); margin: 0; line-height: 1.08; letter-spacing: -0.03em; }
p { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--black); outline-offset: 3px; border-radius: 4px; }
.how :focus-visible, .cta-band :focus-visible { outline-color: var(--white); }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--black); color: var(--white); padding: 12px 16px; border-radius: var(--radius); font-weight: 600; text-decoration: none; }
.skip-link:focus { top: 12px; }

.container { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.container--narrow { max-width: 880px; }
@media (min-width: 768px) { .container { padding: 0 40px; } }

.muted { color: var(--gray); }
.section-title { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 12px 22px; border-radius: var(--radius); border: 2px solid transparent;
  font-family: var(--heading); font-weight: 600; font-size: 1rem; line-height: 1.2;
  text-decoration: none; text-align: center; cursor: pointer;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--lg { min-height: 58px; padding: 16px 30px; font-size: 1.0625rem; }
.btn .icon { width: 18px; height: 18px; flex: none; }
.btn--primary { background: var(--black); color: var(--white); border-color: var(--black); }
.btn--primary:hover { background: #222; border-color: #222; }
.btn--outline { background: var(--white); color: var(--black); border-color: var(--black); }
.btn--outline:hover { background: var(--black); color: var(--white); }
.btn--light { background: var(--white); color: var(--black); border-color: var(--white); }
.btn--light:hover { background: var(--gray-light); border-color: var(--gray-light); }
.btn--outline-light { background: transparent; color: var(--white); border-color: var(--white); }
.btn--outline-light:hover { background: var(--white); color: var(--black); }
@media (prefers-reduced-motion: reduce) { .btn, .btn:hover { transform: none; transition: none; } }

.btn-row { display: flex; flex-direction: column; gap: 12px; margin-top: 36px; }
.btn-row--center { align-items: stretch; }
@media (min-width: 640px) {
  .btn-row { flex-direction: row; flex-wrap: wrap; align-items: center; }
  .btn-row--center { justify-content: center; }
}
@media (max-width: 639px) { .btn-row .btn { width: 100%; } }
.note { margin-top: 18px; font-size: .9375rem; color: var(--gray); }

/* ---------- Nav ---------- */
.nav { position: sticky; top: 0; z-index: 50; background: var(--white); border-bottom: 1px solid transparent; transition: border-color .2s ease; }
.nav.is-scrolled { border-bottom-color: var(--gray-light); }
.nav__inner { height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.nav__logo { flex: none; border-radius: 4px; }
.nav__logo img { height: 28px; width: auto; }
@media (min-width: 768px) { .nav__logo img { height: 36px; } }
.btn--nav { min-height: 44px; padding: 10px 16px; font-size: .9375rem; white-space: nowrap; }
.show-sm { display: inline; }
.hide-sm { display: none; }
@media (min-width: 640px) { .show-sm { display: none; } .hide-sm { display: inline; } .btn--nav { padding: 10px 20px; } }

/* ---------- Hero ---------- */
.hero { padding: 56px 0 72px; }
@media (min-width: 768px) { .hero { padding: 96px 0 120px; } }
.hero__title { font-size: clamp(2.6rem, 8.2vw, 5.75rem); font-weight: 800; letter-spacing: -0.04em; line-height: 1.02; }
.hero__sub { margin-top: 28px; max-width: 34rem; font-size: 1.125rem; color: var(--gray); }
@media (min-width: 768px) { .hero__sub { font-size: 1.3rem; } }

/* ---------- Results strip ---------- */
.results { padding: 72px 0; border-top: 1px solid var(--gray-light); }
@media (min-width: 768px) { .results { padding: 104px 0; } }
.flow { list-style: none; margin: 48px 0 0; padding: 0; display: grid; gap: 12px; }
@media (min-width: 900px) { .flow { grid-template-columns: 1fr auto 1fr auto 1fr; align-items: stretch; gap: 16px; } }
.flow__step { border: 2px solid var(--black); border-radius: 14px; padding: 28px; display: flex; flex-direction: column; }
.flow__arrow { display: flex; align-items: center; justify-content: center; }
.flow__arrow svg { width: 32px; height: 32px; transform: rotate(90deg); }
@media (min-width: 900px) { .flow__arrow svg { transform: none; } }
.bars { display: flex; align-items: flex-end; gap: 8px; height: 88px; margin-bottom: 24px; }
.bars span { flex: 1; height: var(--h); background: var(--black); border-radius: 4px 4px 0 0; }
.flow__label {font-size: clamp(1.5rem, 3vw, 1.85rem); font-weight: 800; }
.flow__desc { margin-top: 10px; color: var(--gray); }

/* ---------- How it works (black) ---------- */
.how { background: var(--black); color: var(--white); padding: 72px 0; }
@media (min-width: 768px) { .how { padding: 112px 0; } }
.steps { list-style: none; margin: 48px 0 0; padding: 0; display: grid; gap: 36px; }
@media (min-width: 900px) { .steps { grid-template-columns: repeat(3, 1fr); gap: 40px; } }
.step { border-top: 1px solid #333; padding-top: 28px; }
.step__num { display: block; font-family: var(--heading); font-weight: 800; font-size: 3.25rem; line-height: 1; letter-spacing: -0.04em; color: transparent; -webkit-text-stroke: 1.5px var(--white); }
.step__title { margin-top: 18px; font-size: 1.6rem; font-weight: 700; }
.step p { margin-top: 10px; color: var(--gray-on-black); }
.how .btn-row { margin-top: 56px; }

/* ---------- Booking ---------- */
.book { padding: 72px 0; text-align: center; }
@media (min-width: 768px) { .book { padding: 112px 0; } }
.book__sub { margin: 16px auto 0; max-width: 34rem; color: var(--gray); }
.calendar { position: relative; margin-top: 40px; min-height: 720px; border: 2px solid var(--black); border-radius: 14px; overflow: hidden; background: var(--white); }
.calendar iframe { display: block; width: 100%; height: 720px; border: 0; }
@media (min-width: 768px) { .calendar, .calendar iframe { min-height: 760px; height: 760px; } }
.calendar__loading, .calendar__noscript { position: absolute; inset: 0; display: grid; place-items: center; color: var(--gray); }
.book__fallback { margin-top: 18px; color: var(--gray); font-size: .9375rem; }
.book__fallback a { color: var(--black); font-weight: 600; text-underline-offset: 3px; }

/* ---------- Final CTA band ---------- */
.cta-band { background: var(--black); color: var(--white); padding: 88px 0; text-align: center; }
@media (min-width: 768px) { .cta-band { padding: 128px 0; } }
.cta-band__title { font-size: clamp(2.4rem, 7vw, 4.75rem); font-weight: 800; letter-spacing: -0.04em; }
.cta-band .btn-row { margin-top: 40px; }

/* ---------- Footer ---------- */
.footer { padding: 40px 0; border-top: 1px solid var(--gray-light); }
.footer__inner { display: flex; flex-direction: column; gap: 20px; align-items: flex-start; }
@media (min-width: 768px) { .footer__inner { flex-direction: row; align-items: center; justify-content: space-between; } }
.footer__logo img { height: 30px; width: auto; }
.footer__links { display: flex; flex-wrap: wrap; gap: 4px 24px; }
.footer__links a { display: inline-flex; align-items: center; min-height: 44px; font-weight: 500; text-underline-offset: 3px; }
.footer__copy { color: var(--gray); font-size: .9375rem; }

/* ---------- Gentle fade-in on scroll ---------- */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }