/* ==========================================================================
   BASE
   Reset + typography defaults + shared layout primitives + the reveal
   utility classes that scroll-reveal.js toggles. Every section on the
   page is built from these primitives so the whole thing stays modular.
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-display);
  font-weight: var(--fw-body);
  color: var(--color-ink);
  background: var(--color-white);
  overflow-x: hidden;
  line-height: var(--lh-normal);
}

img, video { display: block; max-width: 100%; }

h1, h2, h3, p { margin: 0; }

h1, h2, h3 {
  font-weight: var(--fw-heading);
  line-height: var(--lh-tight);
  letter-spacing: -0.01em;
}

h1, h2 {
  font-family: var(--font-heading);
  font-weight: var(--fw-heading-xbold);
}

p { font-weight: var(--fw-body); }

a { color: inherit; text-decoration: none; }

button { font-family: inherit; border: none; background: none; cursor: pointer; }

/* Visible keyboard focus everywhere — quality floor, not optional */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---- Layout primitives ---- */

.section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  overflow: hidden;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--sp-5);
}

@media (max-width: 720px) {
  .container { padding: 0 var(--sp-3); }
}

.eyebrow {
  font-weight: var(--fw-subheading);
  font-size: var(--fs-small);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* ---- Buttons ---- */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.9rem 1.8rem;
  border-radius: var(--radius-pill);
  font-weight: var(--fw-subheading);
  font-size: var(--fs-body);
  overflow: hidden;
  isolation: isolate;
  transition: transform var(--dur-fast) var(--ease-out-soft),
              box-shadow var(--dur-fast) var(--ease-out-soft);
}

.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 8px 24px -8px rgba(0, 127, 126, 0.55);
}

.btn--primary:hover {
  box-shadow: 0 12px 30px -6px rgba(0, 127, 126, 0.65);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(6px);
}

.btn--ghost:hover { background: rgba(255, 255, 255, 0.22); }

/* WhatsApp — deliberately secondary to .btn--primary so the header keeps a
   single dominant CTA. Only the glyph carries WhatsApp green at rest; hover
   commits the whole button to it. */
.btn--whatsapp {
  background: var(--color-white);
  color: var(--color-ink);
  border: 1px solid var(--color-border);
  box-shadow: 0 6px 18px -10px rgba(18, 20, 26, 0.35);
  transition: transform var(--dur-fast) var(--ease-out-soft),
              box-shadow var(--dur-fast) var(--ease-out-soft),
              background var(--dur-fast) ease,
              border-color var(--dur-fast) ease,
              color var(--dur-fast) ease;
}

.btn--whatsapp .btn__icon {
  width: 1.15em;
  height: 1.15em;
  flex-shrink: 0;
  color: var(--color-whatsapp);
  transition: color var(--dur-fast) ease;
}

.btn--whatsapp:hover {
  background: var(--color-whatsapp);
  border-color: var(--color-whatsapp);
  color: var(--color-white);
  box-shadow: 0 12px 30px -10px rgba(37, 211, 102, 0.6);
}

.btn--whatsapp:hover .btn__icon { color: var(--color-white); }

/* Anime-style shine sweep on hover */
.btn::after {
  content: "";
  position: absolute;
  top: 0; left: -60%;
  width: 40%; height: 100%;
  background: linear-gradient(115deg, transparent, rgba(255,255,255,0.55), transparent);
  transform: skewX(-20deg);
  transition: left var(--dur-slow) var(--ease-out-soft);
  z-index: 1;
  pointer-events: none;
}

.btn:hover::after { left: 130%; }

/* ---- Scroll reveal utility classes ----
   scroll-reveal.js adds `.is-visible` when an element with one of these
   base classes enters the viewport. Nothing appears without one of these.
   Variants: fade | slide-up | slide-left | slide-right | scale | zoom
   Per-element timing overrides (both optional, both read by scroll-reveal.js):
     data-delay="200"     stagger start, in ms
     data-duration="1400" how long the transition takes, in ms (default 900) */

[data-reveal] {
  opacity: 0;
  will-change: transform, opacity;
  transition: opacity var(--reveal-duration, var(--dur-slow)) var(--ease-out-soft),
              transform var(--reveal-duration, var(--dur-slow)) var(--ease-out-soft);
}

[data-reveal="fade"]        { transform: none; }
[data-reveal="slide-up"]    { transform: translateY(40px); }
[data-reveal="slide-left"]  { transform: translateX(48px); }
[data-reveal="slide-right"] { transform: translateX(-48px); }
[data-reveal="scale"]       { transform: scale(0.92); }
[data-reveal="zoom"]        { transform: scale(0.6); }

/* expand-x: grows outward from a narrow centered column instead of
   sliding/scaling — width (plus opacity) is the animated property, see the
   per-section override for start/end values (e.g. .content-frame). */
[data-reveal="expand-x"]    { transform: none; }

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* Stagger children via inline --delay custom property set in HTML/JS */
[data-reveal] { transition-delay: var(--delay, 0ms); }

/* Applied to body while any modal is open */
body.modal-open-lock { overflow: hidden; }

/* Respect reduced motion: keep the fade, drop the movement */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { transform: none !important; transition-duration: var(--dur-fast) !important; }
  .btn:hover { transform: none; }
}