/* Semly — semly.es
   Estilo "Apple product page": mucho blanco, tipografía del sistema,
   tarjetas redondeadas, azul de acento, claro/oscuro automático. */

:root {
  --blue: #0071e3;
  --blue-dark: #0058b0;
  --bg: #ffffff;
  --bg-secondary: #f5f5f7;
  --bg-tertiary: #fbfbfd;
  --text: #1d1d1f;
  --text-secondary: #6e6e73;
  --border: rgba(0, 0, 0, 0.08);
  --card-bg: #ffffff;
  --card-shadow: 0 2px 24px rgba(0, 0, 0, 0.06);
  --nav-bg: rgba(255, 255, 255, 0.8);
  --phone-bezel: #1d1d1f;
  --lock-icon-filter: none;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --bg-secondary: #1c1c1e;
    --bg-tertiary: #0a0a0c;
    --text: #f5f5f7;
    --text-secondary: #a1a1a6;
    --border: rgba(255, 255, 255, 0.1);
    --card-bg: #1c1c1e;
    --card-shadow: 0 2px 24px rgba(0, 0, 0, 0.4);
    --nav-bg: rgba(0, 0, 0, 0.7);
    --phone-bezel: #3a3a3c;
  }
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: inherit; }

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 17px;
  text-decoration: none;
  color: var(--text);
}

.nav-brand img {
  width: 22px;
  height: 22px;
  border-radius: 6px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 13px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text);
  opacity: 0.85;
}

.nav-links a:hover { opacity: 1; }

.lang-switch {
  display: flex;
  gap: 6px;
  font-size: 13px;
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 3px;
}

.lang-switch a {
  padding: 3px 10px;
  border-radius: 100px;
  text-decoration: none;
  color: var(--text-secondary);
}

.lang-switch a.active {
  background: var(--text);
  color: var(--bg);
}

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

.hero {
  padding: 72px 0 40px;
  text-align: center;
}

.hero-icon {
  width: 84px;
  height: 84px;
  border-radius: 20px;
  margin: 0 auto 24px;
  box-shadow: var(--card-shadow);
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  line-height: 1.1;
}

.hero .tagline {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 32px;
  line-height: 1.5;
}

.badge-row {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.appstore-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: 14px;
  background: var(--text);
  color: var(--bg);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.15s ease;
}

.appstore-badge:hover { opacity: 0.8; }

.appstore-badge svg { width: 20px; height: 20px; fill: currentColor; }

.badge-caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-secondary);
}

.hero-shot-wrap {
  display: flex;
  justify-content: center;
}

/* ---------- Phone mockup (pure CSS, no bezel image needed) ---------- */

.phone {
  position: relative;
  width: 240px;
  border-radius: 34px;
  background: var(--phone-bezel);
  padding: 10px;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.35), 0 10px 20px -8px rgba(0, 0, 0, 0.2);
  flex-shrink: 0;
}

.phone.large { width: 280px; }

.phone-screen {
  position: relative;
  border-radius: 26px;
  overflow: hidden;
  background: #fff;
}

.phone-screen img {
  width: 100%;
  display: block;
}

.phone-island {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 34%;
  height: 18px;
  background: var(--phone-bezel);
  border-radius: 100px;
  z-index: 2;
}

/* ---------- Sections ---------- */

section { padding: 80px 0; }

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-head .eyebrow {
  color: var(--blue);
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
  display: block;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}

.section-head p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.55;
  margin: 0;
}

.feature-row {
  display: flex;
  align-items: center;
  gap: 64px;
  margin-bottom: 110px;
}

.feature-row:last-child { margin-bottom: 0; }

.feature-row.reverse { flex-direction: row-reverse; }

.feature-copy { flex: 1; min-width: 0; }

.feature-shot { flex-shrink: 0; }

.feature-copy .eyebrow {
  color: var(--blue);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
  display: block;
}

.feature-copy h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  line-height: 1.2;
}

.feature-copy p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
  margin: 0 0 16px;
}

.feature-copy ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.feature-copy li {
  display: flex;
  gap: 10px;
  color: var(--text);
  font-size: 0.98rem;
  line-height: 1.4;
}

.feature-copy li svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  fill: var(--blue);
}

/* ---------- Icon-only feature grid (privacy/export/etc.) ---------- */

.grid-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px 26px;
}

.card .icon-badge {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--blue) 12%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.card .icon-badge svg {
  width: 24px;
  height: 24px;
  fill: var(--blue);
}

.card h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 8px;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.5;
  margin: 0;
}

/* ---------- Medication pill strip ---------- */

.med-strip {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.med-pill {
  padding: 6px 16px;
  border-radius: 100px;
  background: var(--bg-secondary);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ---------- CTA / final section ---------- */

.cta {
  text-align: center;
  background: var(--bg-secondary);
  border-radius: 32px;
  padding: 72px 32px;
  margin: 0 24px;
}

@media (min-width: 780px) {
  .cta { margin: 0 auto; max-width: 1072px; }
}

.cta h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  margin: 0 0 14px;
}

.cta p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 480px;
  margin: 0 auto 28px;
  line-height: 1.5;
}

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

footer {
  border-top: 1px solid var(--border);
  padding: 40px 0 48px;
  color: var(--text-secondary);
  font-size: 0.82rem;
}

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.footer-links a { text-decoration: none; color: var(--text-secondary); }
.footer-links a:hover { color: var(--text); text-decoration: underline; }

.footer-disclaimer {
  max-width: 720px;
  line-height: 1.5;
  margin-bottom: 16px;
}

/* ---------- Privacy page ---------- */

.legal {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 24px 100px;
}

.legal a.back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  color: var(--blue);
  font-size: 0.95rem;
  margin-bottom: 28px;
}

.legal h1 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  margin: 0 0 8px;
}

.legal .updated {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 40px;
}

.legal section { padding: 0; margin-bottom: 32px; }

.legal h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 10px;
}

.legal p, .legal li {
  color: var(--text);
  font-size: 0.98rem;
  line-height: 1.65;
}

.legal p { margin: 0 0 12px; }

.legal ul { padding-left: 20px; margin: 0 0 12px; }

.legal .contact-box {
  background: var(--bg-secondary);
  border-radius: 18px;
  padding: 24px 26px;
  margin-top: 48px;
}

.legal .contact-box h2 { margin-bottom: 6px; }

.contact-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.btn-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 100px;
  background: var(--blue);
  color: #fff;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}

.btn-pill.secondary {
  background: transparent;
  color: var(--blue);
  border: 1px solid var(--blue);
}

.btn-pill svg { width: 16px; height: 16px; fill: currentColor; }

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

@media (max-width: 860px) {
  .grid-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .nav-links { display: none; }
  .feature-row, .feature-row.reverse {
    flex-direction: column;
    gap: 36px;
    text-align: center;
  }
  .feature-copy li { text-align: left; }
  .feature-copy ul { justify-items: start; }
  section { padding: 56px 0; }
  .grid-cards { grid-template-columns: 1fr; }
  .cta { margin: 0 16px; padding: 48px 22px; }
}