/* =========================================================================
   Regeneración Glútea — Dr. Juan Camilo Martínez
   Premium medical design system · deep blue + cyan + harmonized violet
   ========================================================================= */

/* ---------- Design tokens ---------- */
:root {
  /* Brand colors */
  --navy-900: #04101f;
  --navy-800: #061a33;
  --navy-700: #0a2848;
  --blue-600: #134a8f;
  --blue-500: #1a5ca8;
  --blue-400: #3f86d4;
  --cyan-500: #109bb4;
  --cyan-400: #18b9cf;
  --cyan-300: #5ad6e6;
  --violet-500: #6c5ce0;
  --violet-400: #8a7bf0;

  /* Neutrals */
  --ink: #0d2236;
  --ink-soft: #2c4257;
  --muted: #5b6f80;
  --line: #e2ecf4;
  --line-soft: #eef4f9;
  --bg: #f5f9fc;
  --bg-alt: #eef4fa;
  --white: #ffffff;

  /* Semantic */
  --color-text: var(--ink);
  --color-text-muted: var(--muted);
  --color-bg: var(--bg);
  --color-surface: var(--white);
  --color-border: var(--line);
  --color-primary: var(--blue-600);
  --color-accent: var(--cyan-400);

  /* Gradients */
  --grad-hero: radial-gradient(120% 120% at 78% 10%, #2a235f 0%, #0b2350 44%, #04101f 100%);
  --grad-accent: linear-gradient(125deg, #1683c2 0%, #18b9cf 100%);
  --grad-deep: linear-gradient(135deg, #061a33 0%, #0c2550 60%, #1d1a54 100%);
  --grad-line: linear-gradient(90deg, transparent, var(--cyan-400), transparent);

  /* Spacing (4 / 8 rhythm) */
  --s1: 4px;  --s2: 8px;  --s3: 12px; --s4: 16px; --s5: 24px;
  --s6: 32px; --s7: 48px; --s8: 64px; --s9: 96px; --s10: 128px;

  /* Radius & shadow */
  --r-sm: 8px; --r-md: 14px; --r-lg: 22px; --r-xl: 32px; --r-pill: 999px;
  --sh-sm: 0 1px 2px rgba(8,26,51,.06), 0 2px 8px rgba(8,26,51,.05);
  --sh-md: 0 8px 24px rgba(8,26,51,.08), 0 2px 6px rgba(8,26,51,.05);
  --sh-lg: 0 24px 60px rgba(8,26,51,.14), 0 6px 18px rgba(8,26,51,.08);
  --sh-cyan: 0 12px 30px rgba(24,185,207,.30);

  /* Type */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --maxw: 1200px;
  --header-h: 76px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, picture, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; padding: 0; }
:focus-visible { outline: 3px solid var(--cyan-400); outline-offset: 3px; border-radius: 4px; }

/* ---------- Language toggle visibility ---------- */
html[data-lang="es"] .en { display: none !important; }
html[data-lang="en"] .es { display: none !important; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.18; color: var(--ink); letter-spacing: -.01em; }
.h-eyebrow {
  display: inline-flex; align-items: center; gap: var(--s2);
  font-family: var(--font-body); font-weight: 600; font-size: .8rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--blue-600);
}
.h-eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--grad-accent); border-radius: 2px; }
.section-title { font-size: clamp(2rem, 1.4rem + 2.4vw, 3.1rem); margin-top: var(--s4); }
.lead { font-size: clamp(1.05rem, 1rem + .4vw, 1.25rem); color: var(--ink-soft); }

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--s5); }
.section { padding-block: clamp(var(--s8), 6vw, var(--s10)); }
.section--tight { padding-block: clamp(var(--s7), 5vw, var(--s9)); }
.section-head { max-width: 760px; margin-bottom: var(--s7); }
.section-head--center { margin-inline: auto; text-align: center; }
.text-accent { color: var(--blue-600); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s2);
  min-height: 50px; padding: 0 var(--s6);
  border-radius: var(--r-pill); font-weight: 600; font-size: 1rem;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease;
  will-change: transform;
}
.btn svg { width: 20px; height: 20px; flex: none; }
.btn--primary { background: var(--grad-accent); color: #042b32; box-shadow: var(--sh-cyan); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 18px 40px rgba(24,185,207,.42); }
.btn--solid { background: var(--blue-600); color: #fff; box-shadow: var(--sh-md); }
.btn--solid:hover { background: var(--blue-500); transform: translateY(-2px); }
.btn--ghost { background: rgba(255,255,255,.08); color: #fff; border: 1.5px solid rgba(255,255,255,.35); }
.btn--ghost:hover { background: rgba(255,255,255,.16); border-color: rgba(255,255,255,.6); }
.btn--outline { border: 1.5px solid var(--line); color: var(--ink); background: var(--white); }
.btn--outline:hover { border-color: var(--blue-500); color: var(--blue-600); transform: translateY(-2px); }
.btn--lg { min-height: 58px; font-size: 1.05rem; padding: 0 var(--s7); }

/* ---------- Header ---------- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--header-h);
  display: flex; align-items: center;
  transition: background-color .3s ease, box-shadow .3s ease, backdrop-filter .3s ease;
}
.header__inner { display: flex; align-items: center; gap: var(--s5); width: 100%; }
.header.is-scrolled { background: rgba(255,255,255,.92); backdrop-filter: blur(14px); box-shadow: var(--sh-sm); }
.brand { display: flex; align-items: center; gap: var(--s3); margin-right: auto; }
.brand__mark { width: 46px; height: 46px; flex: none; border-radius: 11px; }
.brand__text { display: flex; flex-direction: column; line-height: 1.2; }
.brand__name { font-family: var(--font-display); font-weight: 600; font-size: 1.12rem; line-height: 1.3; color: #fff; }
.brand__sub { font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: rgba(255,255,255,.7); white-space: nowrap; }
.brand__name { white-space: nowrap; }
.header.is-scrolled .brand__name { color: var(--ink); }
.header.is-scrolled .brand__sub { color: var(--muted); }

.nav { display: flex; align-items: center; gap: var(--s3); margin-left: var(--s6); }
.nav__link { white-space: nowrap; }
.nav__link {
  font-size: .94rem; font-weight: 500; color: rgba(255,255,255,.86);
  padding: var(--s2) 0; position: relative; transition: color .2s ease;
}
.nav__link::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 2px; width: 0;
  background: var(--grad-accent); border-radius: 2px; transition: width .25s ease;
}
.nav__link:hover, .nav__link.is-active { color: #fff; }
.nav__link:hover::after, .nav__link.is-active::after { width: 100%; }
.header.is-scrolled .nav__link { color: var(--ink-soft); }
.header.is-scrolled .nav__link:hover, .header.is-scrolled .nav__link.is-active { color: var(--blue-600); }

.header__actions { display: flex; align-items: center; gap: var(--s3); }

/* Language toggle */
.lang {
  display: inline-flex; align-items: center; border-radius: var(--r-pill);
  border: 1.5px solid rgba(255,255,255,.32); overflow: hidden; height: 40px;
}
.header.is-scrolled .lang { border-color: var(--line); }
.lang__btn {
  min-width: 44px; height: 100%; padding: 0 var(--s3); font-size: .82rem; font-weight: 700;
  letter-spacing: .04em; color: rgba(255,255,255,.8); transition: background-color .2s, color .2s;
}
.header.is-scrolled .lang__btn { color: var(--muted); }
.lang__btn[aria-pressed="true"] { background: var(--grad-accent); color: #042b32; }

.header .btn--header { min-height: 42px; padding: 0 var(--s4); font-size: .9rem; }

/* Mobile nav toggle */
.nav-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: var(--r-sm); }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px;
  transition: transform .25s ease, opacity .2s ease; position: relative;
}
.nav-toggle span::before { position: absolute; top: -7px; }
.nav-toggle span::after { position: absolute; top: 7px; }
.header.is-scrolled .nav-toggle span, .header.is-scrolled .nav-toggle span::before, .header.is-scrolled .nav-toggle span::after { background: var(--ink); }

/* ---------- Hero ---------- */
.hero {
  position: relative; background: var(--grad-hero); color: #fff;
  padding-top: calc(var(--header-h) + clamp(var(--s7), 7vw, var(--s10)));
  padding-bottom: clamp(var(--s8), 7vw, var(--s10)); overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; pointer-events: none; opacity: .9; }
.hero__bg svg { width: 100%; height: 100%; }
.hero__glow { position: absolute; width: 560px; height: 560px; border-radius: 50%; filter: blur(90px); opacity: .5; pointer-events: none; }
.hero__glow--cyan { background: #18b9cf; top: -160px; right: -120px; }
.hero__glow--violet { background: #6c5ce0; bottom: -200px; left: -140px; opacity: .42; }
.hero__grid { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(var(--s6), 4vw, var(--s9)); align-items: center; }
.hero__pill {
  display: inline-flex; align-items: center; gap: var(--s2); margin-bottom: var(--s5);
  padding: var(--s2) var(--s4); border-radius: var(--r-pill);
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2);
  font-size: .82rem; font-weight: 500; color: rgba(255,255,255,.92);
}
.hero__pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan-300); box-shadow: 0 0 0 4px rgba(90,214,230,.25); }
.hero h1 { font-size: clamp(2.4rem, 1.5rem + 3.6vw, 4rem); color: #fff; letter-spacing: -.02em; }
.hero h1 em { font-style: italic; color: var(--cyan-300); }
.hero__sub { margin-top: var(--s5); max-width: 33em; color: rgba(255,255,255,.82); font-size: clamp(1.02rem, .98rem + .4vw, 1.18rem); }
.hero__cta { display: flex; flex-wrap: wrap; gap: var(--s3); margin-top: var(--s7); }
.hero__trust { display: flex; flex-wrap: wrap; gap: var(--s5) var(--s6); margin-top: var(--s7); padding-top: var(--s6); border-top: 1px solid rgba(255,255,255,.14); }
.hero__trust-item { display: flex; align-items: flex-start; gap: var(--s3); max-width: 230px; }
.hero__trust-item svg { width: 24px; height: 24px; flex: none; color: var(--cyan-300); margin-top: 2px; }
.hero__trust-item p { font-size: .9rem; line-height: 1.4; color: rgba(255,255,255,.8); }

.hero__media { position: relative; }
.hero__portrait {
  position: relative; border-radius: var(--r-xl); overflow: hidden;
  box-shadow: 0 40px 90px rgba(0,0,0,.4); border: 1px solid rgba(255,255,255,.14);
  aspect-ratio: 4/5; background: #15234a;
}
.hero__portrait img { width: 100%; height: 100%; object-fit: cover; object-position: center 18%; }
.hero__badge {
  position: absolute; left: -22px; bottom: 28px; display: flex; align-items: center; gap: var(--s3);
  background: rgba(255,255,255,.97); color: var(--ink); padding: var(--s4) var(--s5);
  border-radius: var(--r-md); box-shadow: var(--sh-lg); backdrop-filter: blur(8px); max-width: 270px;
}
.hero__badge svg { width: 38px; height: 38px; flex: none; color: var(--blue-600); }
.hero__badge strong { display: block; font-family: var(--font-display); font-size: 1.5rem; line-height: 1; }
.hero__badge span { font-size: .8rem; color: var(--muted); }

/* ---------- Trust strip ---------- */
.strip { background: var(--navy-800); color: #fff; }
.strip__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s5); padding-block: var(--s7); }
.strip__item { display: flex; gap: var(--s4); align-items: flex-start; }
.strip__item .ic { width: 46px; height: 46px; flex: none; border-radius: 12px; display: grid; place-items: center; background: rgba(24,185,207,.16); color: var(--cyan-300); }
.strip__item .ic svg { width: 24px; height: 24px; }
.strip__item h3 { font-size: 1.05rem; color: #fff; margin-bottom: 2px; }
.strip__item p { font-size: .9rem; color: rgba(255,255,255,.72); line-height: 1.45; }

/* ---------- About ---------- */
.about__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(var(--s6), 5vw, var(--s9)); align-items: center; }
.about__media { position: relative; }
.about__media img { width: 100%; border-radius: var(--r-lg); box-shadow: var(--sh-lg); }
.about__media::before {
  content: ""; position: absolute; inset: -18px -18px 24px 24px; z-index: -1;
  border-radius: var(--r-lg); background: var(--grad-deep); opacity: .12;
}
.about__sig { font-family: var(--font-display); font-style: italic; font-size: 1.4rem; color: var(--blue-600); margin-top: var(--s5); }
.about p + p { margin-top: var(--s4); }
.about p { color: var(--ink-soft); }
.creds { display: flex; flex-wrap: wrap; gap: var(--s2); margin-top: var(--s6); }
.cred {
  display: inline-flex; align-items: center; gap: var(--s2);
  padding: var(--s2) var(--s4); border-radius: var(--r-pill);
  background: var(--bg-alt); border: 1px solid var(--line); font-size: .85rem; font-weight: 500; color: var(--ink-soft);
}
.cred svg { width: 16px; height: 16px; color: var(--blue-500); }

/* ---------- Procedure cards ---------- */
.proc { background: var(--bg-alt); }
.proc__cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s5); }
.pcard {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: var(--s6); position: relative; overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.pcard:hover { transform: translateY(-4px); box-shadow: var(--sh-lg); border-color: transparent; }
.pcard__num { font-family: var(--font-display); font-size: 3rem; line-height: 1; color: var(--line); position: absolute; top: var(--s4); right: var(--s5); }
.pcard__ic { width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center; background: var(--grad-deep); color: #fff; margin-bottom: var(--s5); }
.pcard__ic svg { width: 28px; height: 28px; }
.pcard h3 { font-size: 1.3rem; margin-bottom: var(--s3); }
.pcard p { font-size: .96rem; color: var(--ink-soft); }
.proc__after {
  margin-top: var(--s7); display: grid; grid-template-columns: auto 1fr; gap: var(--s5); align-items: center;
  background: var(--white); border: 1px solid var(--line); border-left: 4px solid var(--cyan-400);
  border-radius: var(--r-md); padding: var(--s6);
}
.proc__after .ic { width: 52px; height: 52px; flex: none; color: var(--blue-600); }
.proc__after h3 { font-size: 1.15rem; margin-bottom: var(--s2); }
.proc__after p { color: var(--ink-soft); font-size: .96rem; }

/* ---------- Protocol video ---------- */
.video { background: var(--grad-deep); color: #fff; position: relative; overflow: hidden; }
.video__grid { position: relative; display: grid; grid-template-columns: 1fr minmax(290px, 350px); gap: clamp(var(--s6), 5vw, var(--s9)); align-items: center; }
.video__body h2 { color: #fff; }
.video__body .lead { color: rgba(255,255,255,.82); }
.video__list { margin-top: var(--s6); display: flex; flex-direction: column; gap: var(--s3); }
.video__list li { display: flex; gap: var(--s3); align-items: flex-start; color: rgba(255,255,255,.9); font-size: .96rem; }
.video__list svg { width: 22px; height: 22px; flex: none; color: var(--cyan-300); margin-top: 1px; }
.video__player { position: relative; aspect-ratio: 9 / 16; border-radius: var(--r-lg); overflow: hidden; box-shadow: 0 40px 90px rgba(0,0,0,.45); border: 1px solid rgba(255,255,255,.14); background: #04101f; }
.video__player video { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ---------- Why different ---------- */
.why__grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s6); margin-top: var(--s7); }
.compare { border-radius: var(--r-lg); padding: var(--s7); border: 1px solid var(--line); }
.compare--medical { background: var(--grad-deep); color: #fff; box-shadow: var(--sh-lg); border-color: transparent; }
.compare--surface { background: var(--white); }
.compare h3 { font-size: 1.35rem; margin-bottom: var(--s5); display: flex; align-items: center; gap: var(--s3); }
.compare--medical h3 { color: #fff; }
.compare__list li { display: flex; gap: var(--s3); padding: var(--s3) 0; align-items: flex-start; }
.compare__list li + li { border-top: 1px solid rgba(0,0,0,.06); }
.compare--medical .compare__list li + li { border-top-color: rgba(255,255,255,.12); }
.compare__list svg { width: 22px; height: 22px; flex: none; margin-top: 1px; }
.compare--medical .compare__list svg { color: var(--cyan-300); }
.compare--surface .compare__list svg { color: var(--muted); }
.compare--medical .compare__list span { color: rgba(255,255,255,.9); }
.compare--surface .compare__list span { color: var(--ink-soft); }
.compare__tag { display: inline-block; font-size: .74rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; padding: 4px 12px; border-radius: var(--r-pill); margin-bottom: var(--s4); }
.compare--medical .compare__tag { background: rgba(24,185,207,.2); color: var(--cyan-300); }
.compare--surface .compare__tag { background: var(--bg-alt); color: var(--muted); }

/* ---------- Process timeline ---------- */
.proc-steps { background: var(--navy-900); color: #fff; position: relative; overflow: hidden; }
.proc-steps .hero__glow--cyan { top: auto; bottom: -200px; right: -100px; opacity: .25; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s5); margin-top: var(--s7); position: relative; }
.step { position: relative; padding-top: var(--s7); }
.step__num {
  position: absolute; top: 0; left: 0; width: 48px; height: 48px; border-radius: 50%;
  display: grid; place-items: center; font-family: var(--font-display); font-size: 1.3rem; font-weight: 600;
  background: var(--grad-accent); color: #042b32;
}
.step::before { content: ""; position: absolute; top: 24px; left: 48px; right: -20px; height: 2px; background: linear-gradient(90deg, rgba(24,185,207,.5), rgba(24,185,207,0)); }
.step:last-child::before { display: none; }
.step h3 { color: #fff; font-size: 1.18rem; margin-bottom: var(--s2); }
.step p { font-size: .92rem; color: rgba(255,255,255,.74); }

/* ---------- Before / After slider ---------- */
.ba { background: var(--bg-alt); }
.ba__wrap { max-width: 760px; margin: var(--s7) auto 0; }
.ba__slider {
  position: relative; border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--sh-lg);
  aspect-ratio: 900 / 824; user-select: none; touch-action: pan-y; background: #0a2547;
}
.ba__img { position: absolute; inset: 0; width: 100%; height: 100%; }
.ba__img img { width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.ba__img--after { clip-path: inset(0 0 0 50%); }
.ba__label {
  position: absolute; top: var(--s4); padding: 6px 14px; border-radius: var(--r-pill);
  font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  background: rgba(8,26,51,.72); color: #fff; backdrop-filter: blur(4px);
}
.ba__label--before { left: var(--s4); }
.ba__label--after { right: var(--s4); background: var(--grad-accent); color: #042b32; }
.ba__handle { position: absolute; top: 0; bottom: 0; left: 50%; width: 3px; background: #fff; transform: translateX(-50%); box-shadow: 0 0 12px rgba(0,0,0,.3); }
.ba__grip {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 52px; height: 52px; border-radius: 50%; background: #fff; box-shadow: var(--sh-lg);
  display: grid; place-items: center; color: var(--blue-600);
}
.ba__grip svg { width: 26px; height: 26px; }
.ba__range { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; margin: 0; }
.ba__note { text-align: center; font-size: .85rem; color: var(--muted); margin-top: var(--s4); display: flex; align-items: center; justify-content: center; gap: var(--s2); }
.ba__note svg { width: 18px; height: 18px; }
.ba__disclaimer { text-align: center; font-size: .8rem; color: var(--muted); margin-top: var(--s3); max-width: 60ch; margin-inline: auto; }

/* ---------- Testimonials ---------- */
.tst { background: var(--white); }
.tst__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s5); margin-top: var(--s7); }
.tst__card {
  display: flex; flex-direction: column; background: var(--bg); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: var(--s6); box-shadow: var(--sh-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}
.tst__card:hover { transform: translateY(-4px); box-shadow: var(--sh-lg); }
.tst__quote { width: 34px; height: 34px; color: var(--cyan-400); opacity: .9; margin-bottom: var(--s3); }
.tst__stars { display: flex; gap: 3px; margin-bottom: var(--s4); color: #f5a623; }
.tst__stars svg { width: 18px; height: 18px; }
.tst__text { color: var(--ink-soft); font-size: .98rem; line-height: 1.6; flex: 1; }
.tst__person { display: flex; align-items: center; gap: var(--s3); margin-top: var(--s5); padding-top: var(--s5); border-top: 1px solid var(--line); }
.tst__avatar {
  width: 46px; height: 46px; flex: none; border-radius: 50%; display: grid; place-items: center;
  background: var(--grad-deep); color: #fff; font-family: var(--font-display); font-weight: 600; font-size: 1.05rem;
}
.tst__name { font-weight: 600; color: var(--ink); font-size: .95rem; }
.tst__meta { font-size: .82rem; color: var(--muted); }

/* ---------- FAQ ---------- */
.faq__list { max-width: 820px; margin: var(--s7) auto 0; }
.faq__item { border: 1px solid var(--line); border-radius: var(--r-md); background: var(--white); margin-bottom: var(--s3); overflow: hidden; transition: box-shadow .2s ease, border-color .2s ease; }
.faq__item[open] { box-shadow: var(--sh-md); border-color: var(--blue-400); }
.faq__q {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s4);
  padding: var(--s5) var(--s6); font-family: var(--font-display); font-size: 1.12rem; font-weight: 600;
  color: var(--ink); cursor: pointer; list-style: none; min-height: 56px;
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q .chev { width: 26px; height: 26px; flex: none; color: var(--blue-600); transition: transform .25s ease; }
.faq__item[open] .chev { transform: rotate(45deg); }
.faq__a { padding: 0 var(--s6) var(--s5); color: var(--ink-soft); font-size: .98rem; }

/* ---------- Contact / CTA ---------- */
.cta { background: var(--grad-hero); color: #fff; position: relative; overflow: hidden; }
.cta__grid { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(var(--s6), 5vw, var(--s9)); align-items: center; }
.cta h2 { color: #fff; font-size: clamp(1.9rem, 1.4rem + 2vw, 2.8rem); }
.cta__sub { color: rgba(255,255,255,.82); margin-top: var(--s4); max-width: 40ch; }
.cta__actions { display: flex; flex-wrap: wrap; gap: var(--s3); margin-top: var(--s6); }
.cta__card { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.16); border-radius: var(--r-lg); padding: var(--s7); backdrop-filter: blur(6px); }
.cta__row { display: flex; align-items: center; gap: var(--s4); padding: var(--s4) 0; }
.cta__row + .cta__row { border-top: 1px solid rgba(255,255,255,.12); }
.cta__row .ic { width: 44px; height: 44px; flex: none; border-radius: 12px; display: grid; place-items: center; background: rgba(24,185,207,.18); color: var(--cyan-300); }
.cta__row .ic svg { width: 22px; height: 22px; }
.cta__row > div { display: flex; flex-direction: column; gap: 2px; }
.cta__row .lbl { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: rgba(255,255,255,.6); }
.cta__row .val { font-size: 1.05rem; font-weight: 600; color: #fff; }
.cta__row a.val:hover { color: var(--cyan-300); }

/* ---------- Footer ---------- */
.footer { background: var(--navy-900); color: rgba(255,255,255,.7); padding-block: var(--s8) var(--s6); }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--s7); padding-bottom: var(--s7); border-bottom: 1px solid rgba(255,255,255,.1); }
.footer__brand { display: flex; align-items: center; gap: var(--s3); margin-bottom: var(--s4); }
.footer__brand .brand__name { color: #fff; }
.footer p { font-size: .9rem; line-height: 1.6; }
.footer h4 { color: #fff; font-family: var(--font-body); font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: var(--s4); }
.footer__links li { margin-bottom: var(--s2); }
.footer__links a { font-size: .92rem; transition: color .2s; }
.footer__links a:hover { color: var(--cyan-300); }
.footer__legal { padding-top: var(--s5); font-size: .78rem; line-height: 1.6; color: rgba(255,255,255,.5); }
.footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s3); padding-top: var(--s5); font-size: .82rem; }

/* ---------- WhatsApp float ---------- */
.wa-float {
  position: fixed; right: max(var(--s5), env(safe-area-inset-right)); bottom: max(var(--s5), env(safe-area-inset-bottom));
  z-index: 90; display: inline-flex; align-items: center; gap: var(--s3);
  background: #25d366; color: #073d22; padding: var(--s3) var(--s5) var(--s3) var(--s3);
  border-radius: var(--r-pill); box-shadow: 0 12px 30px rgba(37,211,102,.45); font-weight: 600;
  transition: transform .2s ease, box-shadow .2s ease;
}
.wa-float:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 18px 40px rgba(37,211,102,.55); }
.wa-float svg { width: 28px; height: 28px; flex: none; }
.wa-float .wa-float__txt { font-size: .92rem; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero__grid, .about__grid, .cta__grid { grid-template-columns: 1fr; }
  .hero__media { max-width: 440px; margin-inline: auto; order: -1; }
  .video__grid { grid-template-columns: 1fr; }
  .video__player { max-width: 320px; margin-inline: auto; order: -1; }
  .about__media { max-width: 460px; }
  .proc__cards { grid-template-columns: 1fr; }
  .tst__grid { grid-template-columns: 1fr; }
  .why__grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; gap: var(--s7) var(--s5); }
  .step::before { display: none; }
  .strip__grid { grid-template-columns: 1fr; gap: var(--s5); }
  .footer__top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav, .header__actions .btn--header { display: none; }
  .nav-toggle { display: inline-flex; }
  .brand__sub { letter-spacing: .12em; }
  .brand__name { font-size: 1rem; }
  .brand { gap: var(--s2); min-width: 0; }
  .brand__mark { width: 36px; height: 36px; }
  .header__inner { gap: var(--s2); }
  .header__actions { gap: var(--s2); }
  .lang { height: 36px; }
  .lang__btn { min-width: 34px; padding: 0 var(--s2); font-size: .78rem; }
  .nav-toggle { width: 38px; }
  .nav.is-open {
    display: flex; position: fixed; inset: var(--header-h) 0 auto 0; flex-direction: column; align-items: stretch;
    gap: 0; background: rgba(8,26,51,.98); backdrop-filter: blur(14px); padding: var(--s4) var(--s5) var(--s6);
    box-shadow: var(--sh-lg);
  }
  .nav.is-open .nav__link { color: #fff; padding: var(--s4) 0; border-bottom: 1px solid rgba(255,255,255,.1); font-size: 1.05rem; }
  .nav.is-open .nav__link::after { display: none; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .container { padding-inline: var(--s4); }
  .steps { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; gap: var(--s6); }
  .hero__badge { left: 0; }
  .proc__after { grid-template-columns: 1fr; text-align: left; }
  .wa-float .wa-float__txt { display: none; }
  .wa-float { padding: var(--s3); }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Print ---------- */
@media print {
  .header, .wa-float, .nav-toggle, .hero__bg, .hero__glow { display: none !important; }
  body { color: #000; background: #fff; }
}