/* ==========================================================================
   Melissa Linares · Personal Training & Online Coaching
   ========================================================================== */

:root {
  --ink: #111111;
  --ink-soft: #2b2b2b;
  --paper: #f6f5f3;
  --gray: #5c5c5c;
  --line: #dcdbd8;
  --surface: #ebeae7;
  --accent: #66bfc7;      /* turquesa de marca: fondos de botón (texto negro) y titulares grandes */
  --accent-dark: #4fb0b9;  /* hover de botones */
  --accent-deep: #1f6b74;  /* texto pequeño y contornos sobre fondo claro (contraste legible) */
  --serif: Georgia, serif;
}

/* Base ------------------------------------------------------------------- */

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 30px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a, summary { touch-action: manipulation; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--accent-deep); outline-offset: 5px; }
[hidden] { display: none !important; }

h2 { font-size: clamp(36px, 4vw, 58px); line-height: 1.04; letter-spacing: -.045em; margin: 0 0 28px; font-weight: 800; }
h2 em { font-family: var(--serif); font-weight: 400; }
h3 { font-size: 23px; line-height: 1.25; letter-spacing: -.025em; margin: 0 0 14px; }
p { margin: 0 0 20px; color: var(--gray); }

.wrap { width: min(1240px, calc(100% - 96px)); margin-inline: auto; }
section.wrap { padding-block: 60px; }
.eyebrow { font-size: 12px; letter-spacing: .16em; font-weight: 700; margin-bottom: 24px; }
/* Numeración automática (01 / 02 / …); las secciones ocultas no cuentan. */
main { counter-reset: step; }
.eyebrow[data-step]::before { counter-increment: step; content: counter(step, decimal-leading-zero) " / "; }
.fine { font-size: 12px; line-height: 1.65; margin-top: 20px; }

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 17px 23px;
  border: 0;
  border-radius: 2px;
  background: var(--accent);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
  cursor: pointer;
  transition: transform .15s, background .15s;
}
.button:hover { background: var(--accent-dark); transform: translateY(-2px); }
.button.dark { background: var(--ink); color: #fff; }
.button.dark:hover { background: var(--ink-soft); }

/* Header ----------------------------------------------------------------- */

header {
  width: min(1340px, calc(100% - 64px));
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 28px 0;
}
.logo { font-size: 26px; font-weight: 900; letter-spacing: -1px; line-height: 1; }
.logo span { display: block; font-size: 10px; letter-spacing: .22em; margin-top: 9px; }
nav { display: flex; align-items: center; gap: 30px; font-size: 14px; }
.navcta { border: 1px solid var(--accent-deep); color: var(--accent-deep); padding: 10px 18px; border-radius: 2px; }
.lang-toggle { display: inline-flex; border: 1px solid var(--line); border-radius: 2px; }
.lang-toggle button {
  min-width: 38px;
  padding: 7px 8px;
  border: 0;
  background: transparent;
  color: var(--gray);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  cursor: pointer;
}
.lang-toggle button[aria-pressed="true"] { background: var(--ink); color: #fff; }

/* Media slots ------------------------------------------------------------ */

.media {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--line);
  overflow: hidden;
}
.media > img, .media > video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

/* Hero ------------------------------------------------------------------- */

section.hero {
  display: grid;
  grid-template-columns: 1.12fr 1fr;
  gap: 36px;
  align-items: center;
  padding-top: 26px;
  padding-bottom: 40px;
}
.hero h1 { font-size: clamp(40px, 5.2vw, 76px); font-weight: 900; letter-spacing: -.065em; line-height: .98; margin: 0 0 28px; }
.hero h1 em { font-family: var(--serif); font-weight: 400; letter-spacing: -.035em; line-height: 1.05; color: var(--accent); }
.hero p { max-width: 440px; font-size: 18px; }
.hero-note { font-size: 13px; margin-top: 18px; color: var(--gray); }

/* Vertical (2:3) frame matching the portrait photo, so nothing is cropped or letterboxed. */
.hero-media { width: min(100%, 480px); aspect-ratio: 2 / 3; justify-self: center; background: var(--ink); color: #fff; }

/* Intro ------------------------------------------------------------------ */

.intro { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; border-bottom: 1px solid var(--line); }
.intro p { max-width: 430px; }
.intro.is-text-only { grid-template-columns: 1fr; }
.intro.is-text-only p { max-width: 640px; }
.video-slot { aspect-ratio: 16 / 10; background: var(--ink); }
.video-slot > video { object-fit: contain; }
.video-slot.is-portrait { width: min(100%, 380px); justify-self: center; }

/* Results ---------------------------------------------------------------- */

.compact-results { border-bottom: 1px solid var(--line); }
.result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 36px; }
.result-grid h3 { font-size: 21px; margin-bottom: 18px; }
.comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
/* Formato vertical: las fotos de cuerpo completo se recortan lo mínimo. */
.compare-slot { aspect-ratio: 3 / 5; background: #dcdbd8; }
.photo-label {
  position: absolute;
  bottom: 15px;
  left: 15px;
  right: 15px;
  padding: 9px 10px;
  background: var(--paper);
  font-size: 11px;
  letter-spacing: .1em;
  text-align: center;
}
.result-caption { font-size: 14px; margin: 15px 0 0; }

/* Services --------------------------------------------------------------- */

.service-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 28px; }
.service { display: flex; flex-direction: column; padding: 30px; background: var(--surface); }
.service-top { display: flex; justify-content: space-between; margin-bottom: 22px; font-size: 12px; letter-spacing: .1em; font-weight: 700; }
.service h3 { font-size: 45px; line-height: 1.04; }
.service p { margin-top: 16px; }
.service ul { list-style: none; padding: 0; margin: 8px 0 30px; }
.service li { padding: 10px 0; border-top: 1px solid #00000019; font-size: 15px; }
.service li::before { content: '✓'; margin-right: 12px; }
.service .button { margin-top: auto; }
.online { background: var(--ink); color: #fff; }
.online p { color: #c4c4c4; }
.online li { border-color: #ffffff24; }

/* Nutrition add-on ------------------------------------------------------- */

section.nutrition-addon {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 35px;
  align-items: center;
  padding: 32px 36px;
  margin-bottom: 42px;
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 2px;
}
.addon-badge { display: inline-block; margin-bottom: 16px; font-size: 12px; font-weight: 700; letter-spacing: .06em; color: var(--accent-deep); }
.nutrition-addon h2 { font-size: clamp(27px, 3vw, 39px); margin-bottom: 15px; }
.nutrition-addon p { font-size: 16px; max-width: 670px; margin-bottom: 12px; }
.nutrition-addon .addon-scope { font-size: 13px; margin-bottom: 0; }
.addon-action { max-width: 240px; }
.addon-action .button { width: 100%; }
.addon-action > span { display: block; margin-top: 12px; font-size: 12px; line-height: 1.6; color: var(--gray); text-align: center; }

/* FAQ -------------------------------------------------------------------- */

section.faq { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; padding-top: 10px; }
details { border-top: 1px solid var(--line); }
details:last-child { border-bottom: 1px solid var(--line); }
summary { padding: 22px 0; cursor: pointer; font-size: 16px; font-weight: 600; }
details p { padding: 0 25px 5px 0; font-size: 15px; }

/* Application form ------------------------------------------------------- */

section.application { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; padding-top: 35px; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
form label { display: block; margin-bottom: 20px; font-size: 14px; font-weight: 600; }
input, select, textarea {
  width: 100%;
  margin-top: 8px;
  padding: 12px;
  border: 1px solid #c8c6c2;
  border-radius: 2px;
  background: #fff;
  color: var(--ink);
  font-size: 16px;
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-deep); outline-offset: 2px; }
form .button { width: 100%; }
form .addon-checkbox { display: flex; align-items: flex-start; gap: 12px; padding: 14px; background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--accent); font-weight: 400; font-size: 14px; }
form .addon-checkbox input { flex: 0 0 18px; width: 18px; height: 18px; margin: 3px 0 0; accent-color: var(--accent-deep); }
form .addon-checkbox small { display: block; margin-top: 4px; font-size: 12px; color: var(--gray); }

/* Footer ----------------------------------------------------------------- */

footer { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-block: 35px; border-top: 1px solid var(--line); }
footer p, footer > a:last-child { font-size: 12px; margin: 0; }

/* Responsive ------------------------------------------------------------- */

@media (min-width: 1500px) {
  .hero h1 { font-size: 78px; }
}

@media (max-width: 1000px) {
  .wrap { width: calc(100% - 60px); }
  .hero h1 { font-size: 52px; }
  section.application { gap: 38px; }
  section.faq { gap: 30px; }
}

@media (max-width: 720px) {
  .wrap { width: calc(100% - 40px); }
  section.wrap { padding-block: 40px; }
  h2 { font-size: 39px; }

  header { width: calc(100% - 40px); padding: 23px 0; }
  .logo { font-size: 21px; }
  .logo span { font-size: 9px; }
  nav { gap: 10px; }
  .lang-toggle button { min-width: 34px; padding: 6px; font-size: 11px; }
  nav > a:not(.navcta) { display: none; }
  .navcta { padding: 8px 10px; font-size: 12px; white-space: nowrap; }
  .logo span { white-space: nowrap; }

  section.hero { grid-template-columns: 1fr; gap: 30px; padding-top: 28px; }
  .hero h1 { font-size: clamp(40px, 11.6vw, 70px); }
  .hero .eyebrow { font-size: 10px; letter-spacing: .08em; }
  .hero p { font-size: 17px; }
  .hero-media { width: 100%; }

  .intro, section.application, section.faq { grid-template-columns: 1fr; }
  .intro { gap: 22px; }

  .result-grid { grid-template-columns: 1fr; gap: 28px; }
  .comparison { gap: 9px; }
  .photo-label { left: 8px; right: 8px; bottom: 8px; padding: 7px; font-size: 10px; }

  .service-grid { grid-template-columns: 1fr; }
  .service { padding: 25px; }
  .service h3 { font-size: 38px; }

  section.nutrition-addon { grid-template-columns: 1fr; gap: 20px; padding: 25px 20px; margin-bottom: 30px; }
  .nutrition-addon h2 { font-size: 30px; }
  .addon-action { max-width: none; }
  .addon-action > span { text-align: left; }

  section.faq { gap: 14px; padding-bottom: 28px; }
  section.application { gap: 18px; }
  .fields { grid-template-columns: 1fr; gap: 0; }

  footer { flex-direction: column; align-items: flex-start; }
}

/* Teléfonos estrechos: logo + idioma; el botón de la portada ya lleva al formulario. */
@media (max-width: 400px) {
  .navcta { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
  .button:hover { transform: none; }
}