@import "reset.css";
@import "tokens.css";

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  font-weight: 400;
}

/* Skip link (a11y) */
.skip-link {
  position: absolute;
  top: -40px;
  left: 1rem;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  z-index: 100;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 0.75rem; }

/* Focus visible */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}
.section-dark :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--color-text-inverse);
}

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 5vw, 2rem);
}
.container.narrow { max-width: 860px; }

section { padding-block: var(--section-py); }

h1, h2, h3 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 1.1;
}
h2 { font-size: clamp(1.75rem, 3.4vw, 2.75rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }
p { font-size: 1rem; }

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-primary);
  opacity: 0.7;
  margin-bottom: 1rem;
}

.section-head { margin-bottom: 3rem; max-width: 820px; }
.section-head h2 { margin-top: 0.5rem; }
.section-closer {
  margin-top: 3rem;
  text-align: center;
  font-size: 1.125rem;
  opacity: 0.8;
  max-width: 640px;
  margin-inline: auto;
}

.section-alt { background: #EAEAF2; }
.section-dark {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.section-dark .eyebrow { color: var(--color-text-inverse); opacity: 0.7; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(244,244,249,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,42,0.08);
  transition: transform 0.3s var(--ease);
  will-change: transform;
}
.site-header.is-hidden { transform: translateY(-100%); }
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1rem;
}
.logo { height: 28px; width: auto; }

/* Lang toggle */
.header__actions { display: flex; align-items: center; gap: 0.75rem; }
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border-radius: 999px;
  border: 1px solid rgba(0,0,42,0.12);
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(8px);
}
.lang-toggle__btn {
  height: 28px;
  min-width: 36px;
  padding: 0 8px;
  border-radius: 999px;
  border: none;
  background: transparent;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(0,0,42,0.7);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.lang-toggle__btn.is-active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.lang-toggle__btn:hover:not(.is-active) {
  color: var(--color-primary);
  background: rgba(0,0,42,0.05);
}

/* WhatsApp button */
.btn-whatsapp { background: #0E7A3F; color: #ffffff; }
.btn-whatsapp:hover { background: #0a6233; }

/* Hero */
.hero { padding-block: clamp(5rem, 10vw, 9rem); }
.hero .container { text-align: center; }
.hero h1 {
  font-size: clamp(2.25rem, 5.5vw, 4.5rem);
  font-weight: 800;
  color: var(--color-primary);
  max-width: 18ch;
  margin-inline: auto;
}
.hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.4vw, 1.75rem);
  font-weight: 500;
  color: var(--color-primary);
  opacity: 0.55;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin-top: 1rem;
  max-width: 24ch;
  margin-inline: auto;
}
.hero .lead {
  margin-top: 1.5rem;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  opacity: 0.75;
  max-width: 60ch;
  margin-inline: auto;
}
.hero-ctas {
  margin-top: 2.5rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 1.875rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease), background 0.2s var(--ease);
  cursor: pointer;
  border: none;
  text-align: center;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--color-primary); color: var(--color-text-inverse); }
.btn-primary:hover { background: #000014; }
.btn-ghost { background: transparent; color: var(--color-primary); border: 1px solid var(--color-primary); }
.btn-ghost:hover { background: var(--color-primary); color: var(--color-text-inverse); }
.btn-ghost--light { background: transparent; color: var(--color-text-inverse); border: 1px solid rgba(255,255,255,0.5); }
.btn-ghost--light:hover { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.8); }
.btn-light { background: var(--color-bg); color: var(--color-primary); }
.btn-light:hover { background: #fff; }

/* Grids */
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .grid-4 { grid-template-columns: 1fr; }
}

/* Cards (problema) */
.card {
  background: var(--color-bg);
  border: 1px solid rgba(0,0,42,0.08);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -20px rgba(0,0,42,0.15);
}
.card-icon {
  width: 32px;
  height: 32px;
  margin-bottom: 1.25rem;
  color: var(--color-primary);
}
.card-icon svg { width: 100%; height: 100%; }
.card h3 { margin-bottom: 0.5rem; }
.card p { opacity: 0.7; font-size: 0.95rem; }

/* Prose (sobre) */
.prose { margin-top: 2rem; display: flex; flex-direction: column; gap: 1rem; }
.prose p { font-size: 1.0625rem; opacity: 0.8; line-height: 1.65; }
.prose strong { opacity: 1; }

/* Service cards */
.service-card {
  background: rgba(244,244,249,0.04);
  border: 1px solid rgba(244,244,249,0.12);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}
.service-icon {
  width: 36px;
  height: 36px;
  margin-bottom: 1.5rem;
  color: var(--color-text-inverse);
  opacity: 0.9;
}
.service-icon svg { width: 100%; height: 100%; }
.service-card h3 { font-size: 1.5rem; margin-bottom: 0.75rem; }
.service-intro { opacity: 0.75; margin-bottom: 1.5rem; }
.service-outro { opacity: 0.65; margin-top: 1.5rem; font-size: 0.95rem; }
.checklist { display: flex; flex-direction: column; gap: 0.625rem; }
.checklist li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.95rem;
  opacity: 0.9;
}
.checklist li::before {
  content: "→";
  position: absolute;
  left: 0;
  opacity: 0.6;
}

/* Timeline */
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  counter-reset: step;
}
.timeline li {
  border-top: 2px solid var(--color-primary);
  padding-top: 1.25rem;
}
.step-num {
  display: block;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  opacity: 0.5;
  margin-bottom: 0.75rem;
  letter-spacing: 0.05em;
}
.timeline h3 { margin-bottom: 0.5rem; }
.timeline p { opacity: 0.7; font-size: 0.95rem; }
@media (max-width: 960px) {
  .timeline { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .timeline { grid-template-columns: 1fr; }
}

/* Metrics */
.metrics .metric {
  text-align: center;
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}
.metric-value {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
  min-height: 1em;
  display: flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}
.metric-value--sm {
  font-size: clamp(1.5rem, 2.8vw, 2.25rem);
  letter-spacing: -0.02em;
}
.metric-label { font-weight: 600; font-size: 0.95rem; }
.metric-note { font-size: 0.85rem; opacity: 0.6; margin-top: 0.25rem; }

/* Fit list */
.fit-list {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-top: 1rem;
}
.fit-list li {
  position: relative;
  padding-left: 2rem;
  font-size: 1.0625rem;
  line-height: 1.5;
}
.fit-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
  color: var(--color-primary);
}

.contraindication {
  margin-top: 4rem;
  padding: 2rem 2rem 2rem 2rem;
  border-left: 3px solid var(--color-primary);
  background: rgba(0,0,42,0.04);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  position: relative;
}
.contraindication::before {
  content: "";
  display: block;
  width: 64px;
  height: 1px;
  background: rgba(0,0,42,0.2);
  position: absolute;
  top: -2rem;
  left: 0;
}
.contraindication strong { display: block; margin-bottom: 0.5rem; }
.contraindication p { opacity: 0.8; font-size: 0.95rem; margin-bottom: 0.5rem; }
.contraindication p:last-child { margin-bottom: 0; }

/* CTA final */
.cta-final { text-align: center; }
.cta-final h2 { max-width: 18ch; margin-inline: auto; }
.cta-final .lead {
  margin-top: 1.5rem;
  font-size: 1.125rem;
  opacity: 0.85;
  max-width: 60ch;
  margin-inline: auto;
}
.cta-final .muted { margin-top: 1rem; opacity: 0.55; font-size: 0.95rem; }
.whatsapp-link { margin-top: 1.5rem; opacity: 0.75; font-size: 0.95rem; }
.whatsapp-link a { text-decoration: underline; text-underline-offset: 3px; }

/* Footer */
.site-footer {
  background: var(--color-black);
  color: var(--color-text-inverse);
  padding-block: 3.5rem 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  align-items: start;
}
.site-footer .logo { height: 40px; margin-bottom: 1.25rem; }
.footer-tagline { opacity: 0.6; font-size: 0.95rem; max-width: 40ch; }
.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.95rem;
}
.footer-meta a { opacity: 0.8; }
.footer-meta a:hover { opacity: 1; }
.footer-social { display: flex; gap: 0.625rem; margin-top: 1rem; }
.social-pill {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(244,244,249,0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-inverse);
  opacity: 0.8;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.social-pill svg { width: 18px; height: 18px; }
.social-pill:hover {
  opacity: 1;
  background: rgba(244,244,249,0.08);
  border-color: rgba(244,244,249,0.35);
  transform: translateY(-2px);
}
.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(244,244,249,0.1);
}
.footer-bottom small { opacity: 0.5; }
@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr; }
}