/* ==========================================================================
   Sanatorio Alta Gracia — hoja de estilos
   Paleta tomada del isologo institucional (azul marino + azul medio).
   ========================================================================== */

:root {
  --navy: #1f2547;
  --navy-deep: #141833;
  --blue: #4b67ae;
  --blue-light: #7690c9;
  --blue-pale: #eef1f9;
  --bg: #f6f8fb;
  --card: #ffffff;
  --text: #1f2547;
  --text-dim: #5c6478;
  --border: #e3e7f0;
  --radius: 16px;
  --gradient: linear-gradient(120deg, var(--navy) 0%, var(--blue) 100%);
  --shadow: 0 20px 45px -20px rgba(31, 37, 71, 0.25);
  --shadow-sm: 0 10px 25px -12px rgba(31, 37, 71, 0.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 14px 28px -10px rgba(75, 103, 174, 0.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 34px -10px rgba(75, 103, 174, 0.65); }

.btn-outline {
  background: transparent;
  border-color: var(--navy);
  color: var(--navy);
}
.btn-outline:hover { background: var(--navy); color: #fff; transform: translateY(-2px); }

.btn-outline-light {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.55);
  color: #fff;
  backdrop-filter: blur(4px);
}
.btn-outline-light:hover { background: #fff; color: var(--navy); border-color: #fff; transform: translateY(-2px); }

.btn-sm { padding: 10px 18px; font-size: 0.85rem; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}
#header.scrolled {
  background: rgba(255, 255, 255, 0.97);
  border-bottom-color: var(--border);
  box-shadow: 0 8px 24px -16px rgba(31, 37, 71, 0.25);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0;
}

.logo { display: flex; align-items: center; }
.logo img { height: 42px; width: auto; }

.main-nav ul { display: flex; align-items: center; gap: 30px; }
.main-nav a {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--text);
  position: relative;
  padding: 6px 0;
  transition: color 0.2s ease;
}
.main-nav a:hover { color: var(--blue); }
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--gradient);
  transition: width 0.25s ease;
}
.main-nav a:hover::after { width: 100%; }

.main-nav .nav-cta { display: none; }

.header-actions { display: flex; align-items: center; gap: 12px; }


.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 0 auto;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 168px 0 100px;
  color: #fff;
  overflow: hidden;
  background-color: var(--navy-deep);
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(20, 24, 51, 0.94) 0%, rgba(31, 37, 71, 0.88) 45%, rgba(75, 103, 174, 0.55) 100%);
}

.hero-inner { position: relative; z-index: 1; max-width: 700px; }

.eyebrow {
  position: relative;
  display: inline-block;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(6px);
  color: #cfd9f2;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.82rem;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.2rem);
  line-height: 1.18;
  margin: 0 0 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.hero h1 .accent { color: #9fb3e6; }

.hero-sub {
  font-size: 1.1rem;
  color: #d6ddf0;
  max-width: 560px;
  margin-bottom: 36px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 44px; }

.hero-info {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.18);
}
.hero-info-item { display: flex; align-items: center; gap: 10px; font-size: 0.92rem; color: #d6ddf0; }
.hero-info-item svg { width: 20px; height: 20px; flex-shrink: 0; color: #9fb3e6; }
.hero-info-item a { font-weight: 600; color: #fff; }
.hero-info-item a:hover { text-decoration: underline; }

/* ---------- Quick access strip ---------- */
.quick-access {
  position: relative;
  z-index: 2;
  margin-top: -56px;
  margin-bottom: 40px;
}
.quick-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.quick-card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--card);
  border-radius: var(--radius);
  padding: 26px 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.quick-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.quick-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient);
  color: #fff;
}
.quick-icon svg { width: 28px; height: 28px; }
.quick-card h3 { margin: 0 0 4px; font-size: 1.08rem; }
.quick-card p { margin: 0 0 12px; color: var(--text-dim); font-size: 0.9rem; }
.quick-card .btn { padding: 9px 18px; font-size: 0.82rem; }

/* ---------- Sections ---------- */
.section { padding: 100px 0; position: relative; overflow: hidden; }
.section-alt { background: var(--blue-pale); }
.section > .container { position: relative; z-index: 1; }

/* Generic decorative photo background — very low opacity, faded at the
   top/bottom edges so it reads as a subtle texture behind the content
   rather than a competing image. */
.section-photo-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.section-photo-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.32;
  filter: saturate(0.85);
}
/* Crop out the small English "MEDICAL" stock-photo label in the
   top-left corner of this particular image. */
#porque-elegirnos .section-photo-bg img { object-position: 75% center; }
.section-photo-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--bg) 0%, rgba(246,248,251,0.35) 22%, rgba(246,248,251,0.35) 78%, var(--bg) 100%);
}
.section-alt .section-photo-bg::after {
  background: linear-gradient(180deg, var(--blue-pale) 0%, rgba(238,241,249,0.35) 22%, rgba(238,241,249,0.35) 78%, var(--blue-pale) 100%);
}

@media (max-width: 780px) {
  .section-photo-bg img { opacity: 0.26; }
}
@media (prefers-reduced-motion: reduce) {
  .section-photo-bg img { opacity: 0.27; }
}

.section-head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.section-eyebrow {
  display: inline-block;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.82rem;
  color: var(--blue);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 800;
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}
.section-sub { color: var(--text-dim); font-size: 1.02rem; }

/* ---------- Especialidades ---------- */
.specialties-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.specialty-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}
.specialty-card:hover {
  background: linear-gradient(160deg, rgba(75,103,174,0.14) 0%, rgba(31,37,71,0.08) 100%), var(--card);
  border-color: var(--blue);
  box-shadow: var(--shadow-sm);
  transform: translateY(-4px);
}
.specialty-icon {
  width: 68px;
  height: 68px;
  border-radius: 17px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-pale);
  color: var(--blue);
  margin-bottom: 18px;
  transition: background 0.25s ease, color 0.25s ease;
}
.specialty-icon svg { width: 38px; height: 38px; }
.specialty-card:hover .specialty-icon { background: var(--gradient); color: #fff; }
.specialty-card h3 { margin: 0 0 8px; font-size: 1.08rem; }
.specialty-card p { margin: 0; color: var(--text-dim); font-size: 0.9rem; }

.specialties-note {
  margin-top: 34px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.9rem;
}

/* ---------- Institucional ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.about-media { position: relative; }
.about-media-frame {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 6px solid #fff;
}
.about-media-frame img { width: 100%; height: 460px; object-fit: cover; object-position: center 20%; }
.about-badge {
  position: absolute;
  left: -20px;
  bottom: -24px;
  background: var(--gradient);
  color: #fff;
  border-radius: 14px;
  padding: 18px 22px;
  box-shadow: var(--shadow);
  max-width: 220px;
}
.about-badge strong { display: block; font-size: 0.98rem; margin-bottom: 2px; }
.about-badge span { font-size: 0.82rem; opacity: 0.85; }

.about-text .section-eyebrow { margin-bottom: 12px; }
.about-text h2 { font-size: clamp(1.6rem, 2.8vw, 2.1rem); font-weight: 800; margin: 0 0 18px; letter-spacing: -0.01em; }
.about-text p { color: var(--text-dim); margin-bottom: 18px; }

.about-list { margin-top: 26px; display: grid; gap: 14px; }
.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text);
}
.about-list svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: var(--blue);
  margin-top: 1px;
}

/* ---------- Por qué elegirnos ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.why-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  text-align: center;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

/* Same tone (the former 4th card's) applied to all cards. */
.why-card { --why-color: #3f8fc5; --why-glow: rgba(63,143,197,0.45); }

.why-card:hover {
  border-color: var(--why-color, var(--blue));
  box-shadow: 0 0 32px -8px var(--why-glow, rgba(75,103,174,0.45)), var(--shadow-sm);
  transform: translateY(-4px);
}
.why-icon {
  width: 54px;
  height: 54px;
  margin: 0 auto 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient);
  color: #fff;
  transition: background 0.25s ease, box-shadow 0.25s ease;
}
.why-card:hover .why-icon {
  background: var(--why-color, var(--blue));
  box-shadow: 0 0 22px -2px var(--why-glow, rgba(75,103,174,0.5));
}
.why-icon svg { width: 26px; height: 26px; }
.why-card h3 { font-size: 1.02rem; margin: 0 0 8px; transition: color 0.25s ease; }
.why-card:hover h3 { color: var(--why-color, var(--navy)); }
.why-card p { margin: 0; color: var(--text-dim); font-size: 0.88rem; }

@media (prefers-reduced-motion: reduce) {
  .why-card:hover { transform: none; }
}

/* ---------- Compromiso banner ---------- */
.commitment {
  border-radius: var(--radius);
  background: var(--gradient);
  color: #fff;
  padding: 46px 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  box-shadow: var(--shadow);
}
.commitment p { margin: 0; font-size: 1.2rem; font-weight: 700; max-width: 620px; letter-spacing: -0.01em; }
.commitment .btn-outline-light { flex-shrink: 0; }

/* ---------- Contacto ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.contact-info { display: grid; gap: 20px; margin-bottom: 30px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 22px;
}
.contact-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-pale);
  color: var(--blue);
}
.contact-icon svg { width: 22px; height: 22px; }
.contact-item h3 { margin: 0 0 4px; font-size: 0.96rem; }
.contact-item p, .contact-item a { margin: 0; color: var(--text-dim); font-size: 0.92rem; }
.contact-item a:hover { color: var(--blue); }

.map-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  height: 220px;
}
.map-frame iframe { width: 100%; height: 100%; border: 0; display: block; }

.contact-form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}
.contact-form-card h3 { margin: 0 0 6px; font-size: 1.15rem; }
.contact-form-card > p { margin: 0 0 24px; color: var(--text-dim); font-size: 0.92rem; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 0.94rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(75,103,174,0.15);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-hp { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }

.form-note { margin-top: 14px; font-size: 0.88rem; color: var(--blue); min-height: 1.2em; }
.form-note-error { color: #c0392b; }

/* ---------- Footer ---------- */
.footer {
  background: var(--navy-deep);
  color: #cfd5ea;
  padding: 64px 0 26px;
  position: relative;
  overflow: hidden;
}
.footer-photo-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.footer-photo-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  opacity: 0.27;
  mix-blend-mode: luminosity;
}
.footer-photo-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--navy-deep) 0%, rgba(20,24,51,0.4) 30%, var(--navy-deep) 100%);
}
.footer > .container { position: relative; z-index: 1; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo { height: 40px; margin-bottom: 16px; filter: brightness(0) invert(1); }
.footer-col p { color: #a7aed0; font-size: 0.9rem; margin: 0; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 0.98rem; margin: 0 0 18px; }
.footer-col ul { display: grid; gap: 11px; }
.footer-col a { color: #a7aed0; font-size: 0.9rem; transition: color 0.2s ease; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 0.82rem;
  color: #8890b3;
}
.footer-credit {
  text-align: right;
  padding: 10px 16px;
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}
.badge-ai {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(118,144,201,0.18);
  border: 1px solid rgba(118,144,201,0.45);
  color: var(--blue-light);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.footer-credit-name {
  color: #fff;
  font-weight: 700;
  font-size: 0.88rem;
  margin: 0 0 3px;
}
.footer-credit-links {
  margin: 0;
  font-size: 0.82rem;
  color: #a7aed0;
}
.footer-credit-links a { color: #a7aed0; transition: color 0.2s ease; }
.footer-credit-links a:hover { color: #fff; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .specialties-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .about-media-frame img { height: 340px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .main-nav { position: fixed; top: 72px; left: 0; right: 0; bottom: 0; background: #fff; padding: 20px 24px; transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity 0.25s ease, transform 0.25s ease; overflow-y: auto; }
  .main-nav.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .main-nav ul { flex-direction: column; align-items: flex-start; gap: 4px; }
  .main-nav a { display: block; width: 100%; padding: 13px 4px; border-bottom: 1px solid var(--border); }
  .main-nav .nav-cta { display: flex; flex-direction: column; gap: 10px; width: 100%; margin-top: 14px; }
  .main-nav .nav-cta .btn { width: 100%; }
  .header-actions .btn { display: none; }
  .nav-toggle { display: flex; }
  .hero { padding-top: 130px; }
  .quick-grid { grid-template-columns: 1fr; }
  .quick-access { margin-top: -34px; }
}

@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .specialties-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
  .footer-credit { text-align: center; width: 100%; }
  .form-row { grid-template-columns: 1fr; }
  .commitment { padding: 34px 26px; text-align: center; justify-content: center; }
  .commitment p { font-size: 1.05rem; }
  .about-badge { position: static; margin-top: -40px; margin-left: 16px; max-width: none; }
  .hero-actions .btn { width: 100%; }
  .hero-actions { flex-direction: column; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .hero h1 { font-size: 1.85rem; }
  .quick-card { flex-direction: column; text-align: center; }
  .contact-form-card { padding: 26px 20px; }
  .commitment { flex-direction: column; }
}