/* ============================================
   SENKA LAB — SISTEMA DE DISEÑO MEJORADO
   ============================================ */

/* ---- VARIABLES — PALETA ORIGINAL SENKA LAB ---- */
:root {
  --primary:       #1B3557;
  --primary-dark:  #122540;
  --primary-light: #2A4F7E;
  --secondary:     #2CC4D8;
  --secondary-light:#4DD3E5;
  --accent:        #F5C800;
  --accent-light:  #FFD940;
  --accent-red:    #E8502A;
  --mint-bg:       #E4F2F6;
  --mint-light:    #EDF8FB;
  --light:         #F8FAFC;
  --gray-50:       #F8FAFC;
  --gray-100:      #F1F5F9;
  --gray-200:      #E2E8F0;
  --gray-300:      #CBD5E1;
  --gray-500:      #64748B;
  --gray-700:      #334155;
  --dark:          #1B3557;
  --white:         #FFFFFF;
  --green:         #10B981;
  --purple:        #8B5CF6;
  --orange:        #E8502A;

  --font-head: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:  0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg:  0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --shadow-xl:  0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);
  --shadow-card: 0 2px 20px rgba(26,60,94,0.08);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --transition: all 0.25s ease;
  --transition-slow: all 0.4s ease;
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--gray-700);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
svg { display: inline-block; flex-shrink: 0; }

/* ---- TIPOGRAFIA ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.25;
  color: var(--dark);
}
h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }
p { line-height: 1.7; }

.text-gradient {
  background: linear-gradient(135deg, var(--secondary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-accent { color: var(--secondary); }

/* ---- LAYOUT ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section--gray    { background: var(--mint-bg); }
.section--primary { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: var(--white); }

.section__header { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section__label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--secondary);
  background: rgba(44,196,216,0.12);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}
.section__title { margin-bottom: 16px; }
.section__subtitle { color: var(--gray-500); font-size: 1.05rem; }

/* ---- BADGES ---- */
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 0.78rem; font-weight: 600; padding: 5px 12px; border-radius: var(--radius-full); }
.badge--iso    { background: rgba(44,196,216,0.15); color: var(--primary); }
.badge--ref    { background: rgba(44,196,216,0.15); color: var(--primary); }
.badge--iso-sm { background: rgba(44,196,216,0.15); color: var(--primary); font-size: 0.72rem; padding: 3px 10px; border-radius: var(--radius-full); font-weight: 700; }
.badge--nuevo  { background: rgba(232,80,42,0.12); color: var(--accent-red); font-size: 0.78rem; font-weight: 700; padding: 2px 10px; border-radius: var(--radius-full); }

/* ---- BOTONES ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 12px 22px;
  border-radius: var(--radius-md);
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
  border: 2px solid transparent;
}
.btn--lg { padding: 15px 28px; font-size: 1rem; }
.btn--sm { padding: 9px 16px; font-size: 0.85rem; }

.btn--primary { background: var(--secondary); color: var(--white); }
.btn--primary:hover { background: var(--secondary-light); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(13,148,136,0.3); }

.btn--outline { border-color: rgba(255,255,255,0.5); color: var(--white); }
.btn--outline:hover { background: rgba(255,255,255,0.1); border-color: var(--white); }

.btn--white { background: var(--white); color: var(--primary); font-weight: 700; }
.btn--white:hover { background: var(--gray-100); transform: translateY(-2px); }

.btn--outline-white { border-color: rgba(255,255,255,0.6); color: var(--white); }
.btn--outline-white:hover { background: rgba(255,255,255,0.1); }

.btn--yellow { background: var(--accent); color: var(--primary); font-weight: 800; }
.btn--yellow:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(245,200,0,0.35); }

.btn--whatsapp { background: #25D366; color: var(--white); font-size: 0.82rem; padding: 8px 16px; border-radius: var(--radius-full); }
.btn--whatsapp:hover { background: #22c55e; transform: translateY(-1px); }

.btn--results { background: #1A6FBF; color: var(--white); }
.btn--results:hover { background: #155EA8; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(26,111,191,0.4); }

/* ---- LOGO ---- */
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo__icon { width: 220px; height: auto; flex-shrink: 0; }
.logo__text { display: flex; flex-direction: column; line-height: 1.15; }
.logo__name { font-family: var(--font-head); font-weight: 800; font-size: 1.4rem; letter-spacing: 0.04em; line-height: 1; }
.logo__senka { color: #1B3557; }
.logo__lab   { color: #4A8FC4; }
.logo__divider { height: 1px; background: #b0bec8; margin: 4px 0 3px; }
.logo__sub { font-size: 0.58rem; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: #7a8fa0; }
.logo--white .logo__senka { color: var(--white); }
.logo--white .logo__lab   { color: #8AC8E8; }
.logo--white .logo__divider { background: rgba(255,255,255,0.3); }
.logo--white .logo__sub   { color: rgba(255,255,255,0.55); }

/* ---- HEADER / NAV ---- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: var(--transition);
}
.header.scrolled { box-shadow: var(--shadow-md); }

.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.nav__logo { flex-shrink: 0; }

.nav__menu { display: flex; align-items: center; gap: 4px; flex: 1; justify-content: center; }
.nav__link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gray-700);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}
.nav__link:hover, .nav__link.active { color: var(--primary); background: var(--gray-100); }

.nav__item--dropdown { position: relative; }
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-200);
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-8px);
  transition: var(--transition);
  z-index: 100;
}
.nav__item--dropdown:hover .dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.dropdown li a { display: block; padding: 11px 18px; font-size: 0.87rem; font-weight: 500; color: var(--gray-700); transition: var(--transition); }
.dropdown li:first-child a { border-radius: var(--radius-md) var(--radius-md) 0 0; }
.dropdown li:last-child a  { border-radius: 0 0 var(--radius-md) var(--radius-md); }
.dropdown li a:hover { background: var(--gray-50); color: var(--primary); padding-left: 24px; }

.nav__actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

.nav__hamburger { display: none; flex-direction: column; gap: 5px; width: 32px; height: 32px; padding: 6px; border-radius: var(--radius-sm); transition: var(--transition); }
.nav__hamburger:hover { background: var(--gray-100); }
.nav__hamburger span { display: block; width: 100%; height: 2px; background: var(--gray-700); border-radius: 2px; transition: var(--transition); }

/* ---- HERO ---- */
.hero {
  padding-top: 72px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(105deg, #1B3557 0%, #2A5080 45%, #2CC4D8 100%);
  position: relative;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 70% at 85% 50%, rgba(44,196,216,0.18), transparent),
    radial-gradient(ellipse 40% 50% at 5% 80%, rgba(27,53,87,0.6), transparent);
}
.hero > .container { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; padding-top: 60px; padding-bottom: 60px; }
.hero__badge    { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 24px; }
.hero__title    { color: var(--white); margin-bottom: 20px; }
.hero__subtitle { color: rgba(255,255,255,0.75); font-size: 1.1rem; margin-bottom: 36px; max-width: 520px; }
.hero__ctas     { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 32px; }
.hero__contact  { display: flex; gap: 16px; flex-wrap: wrap; }

.contact-chip { display: inline-flex; align-items: center; gap: 8px; color: rgba(255,255,255,0.7); font-size: 0.88rem; transition: var(--transition); }
.contact-chip:hover { color: var(--white); }
.contact-chip svg { color: var(--secondary-light); }

.hero__image { display: flex; justify-content: center; }
.hero__image-card { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; width: 100%; max-width: 420px; }
.stat-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  transition: var(--transition);
}
.stat-card:hover { background: rgba(255,255,255,0.12); transform: translateY(-4px); }
.stat-card--accent { background: rgba(245,158,11,0.15); border-color: rgba(245,158,11,0.25); }
.stat-card--teal   { background: rgba(13,148,136,0.2);  border-color: rgba(13,148,136,0.3); }
.stat-card__number { font-family: var(--font-head); font-size: 2rem; font-weight: 800; color: var(--white); line-height: 1; margin-bottom: 6px; }
.stat-card__label  { font-size: 0.78rem; color: rgba(255,255,255,0.65); }

/* ---- CERT BAR ---- */
.cert-bar { background: var(--primary); padding: 18px 0; }
.cert-bar__grid { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.cert-item { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,0.8); font-size: 0.85rem; font-weight: 500; }
.cert-item svg { color: var(--secondary-light); flex-shrink: 0; }

/* ---- SERVICES ---- */
.services__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: var(--transition);
  cursor: pointer;
}
.service-card:hover { border-color: var(--secondary); box-shadow: var(--shadow-xl); transform: translateY(-6px); }
.service-card__icon { width: 64px; height: 64px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; }
.service-card__icon--blue   { background: rgba(26,60,94,0.1);   color: var(--primary); }
.service-card__icon--green  { background: rgba(16,185,129,0.1);  color: var(--green); }
.service-card__icon--purple { background: rgba(139,92,246,0.1);  color: var(--purple); }
.service-card__icon--orange { background: rgba(249,115,22,0.1);  color: var(--orange); }
.service-card__icon--teal   { background: rgba(13,148,136,0.1);  color: var(--secondary); }
.service-card__title { font-size: 1.15rem; color: var(--dark); }
.service-card__desc  { color: var(--gray-500); font-size: 0.92rem; flex: 1; }
.service-card__list  { display: flex; flex-direction: column; gap: 6px; }
.service-card__list li { font-size: 0.82rem; color: var(--gray-500); padding-left: 14px; position: relative; }
.service-card__list li::before { content: '•'; position: absolute; left: 0; color: var(--secondary); }
.service-card__link { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; font-weight: 600; color: var(--secondary); margin-top: 4px; transition: var(--transition); }
.service-card:hover .service-card__link { gap: 10px; }
.service-card--cta { background: linear-gradient(135deg, var(--primary), var(--primary-light)); border-color: transparent; color: var(--white); justify-content: center; align-items: flex-start; gap: 20px; }
.service-card--cta h3 { color: var(--white); font-size: 1.2rem; }
.service-card--cta p  { color: rgba(255,255,255,0.75); font-size: 0.9rem; }
.service-card--cta:hover { transform: translateY(-6px); }

/* ---- PRODUCTS ---- */
.products__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card { background: var(--white); border-radius: var(--radius-lg); padding: 32px 28px; box-shadow: var(--shadow-card); border: 1px solid var(--gray-200); position: relative; transition: var(--transition); display: flex; flex-direction: column; gap: 12px; }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }
.product-card__badge { display: inline-block; background: rgba(245,158,11,0.15); color: #92400E; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; padding: 3px 10px; border-radius: var(--radius-full); width: fit-content; }
.product-card__badge--teal  { background: rgba(13,148,136,0.12); color: var(--secondary); }
.product-card__badge--green { background: rgba(16,185,129,0.12); color: #065F46; }
.product-card__title    { font-size: 1.3rem; color: var(--dark); }
.product-card__subtitle { font-size: 0.9rem; color: var(--secondary); font-weight: 600; }
.product-card__desc     { color: var(--gray-500); font-size: 0.88rem; flex: 1; }

/* ---- WHY US ---- */
.why-us__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.why-us__content .section__label { text-align: left; }
.why-us__content .section__title { text-align: left; }
.why-us__text     { color: var(--gray-500); font-size: 1rem; margin-bottom: 36px; }
.why-us__features { display: flex; flex-direction: column; gap: 22px; }
.feature { display: flex; gap: 16px; align-items: flex-start; }
.feature__icon { width: 36px; height: 36px; flex-shrink: 0; background: rgba(13,148,136,0.1); color: var(--secondary); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; }
.feature__title { font-weight: 700; font-size: 0.95rem; color: var(--dark); margin-bottom: 4px; }
.feature__desc  { font-size: 0.87rem; color: var(--gray-500); }

.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat-box { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-lg); padding: 28px 20px; text-align: center; box-shadow: var(--shadow-card); transition: var(--transition); }
.stat-box:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.stat-box--accent { background: linear-gradient(135deg, #FEF3C7, #FDE68A); border-color: #FCD34D; }
.stat-box--teal   { background: linear-gradient(135deg, rgba(13,148,136,0.08), rgba(13,148,136,0.15)); border-color: rgba(13,148,136,0.2); }
.stat-box__number { font-family: var(--font-head); font-size: 2rem; font-weight: 800; color: var(--primary); line-height: 1; margin-bottom: 8px; }
.stat-box__label  { font-size: 0.8rem; color: var(--gray-500); font-weight: 500; }

/* ---- DOCTORS CTA ---- */
.doctors-cta__content { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.doctors-cta__title   { color: var(--white); font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 12px; }
.doctors-cta__text    { color: rgba(255,255,255,0.75); max-width: 580px; font-size: 0.95rem; }
.doctors-cta__actions { display: flex; gap: 14px; flex-wrap: wrap; flex-shrink: 0; }

/* ---- CONTACT STRIP ---- */
.contact-strip__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.contact-method { display: flex; gap: 16px; align-items: flex-start; }
.contact-method__icon { width: 50px; height: 50px; flex-shrink: 0; background: rgba(26,60,94,0.08); color: var(--primary); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; }
.contact-method__icon--green  { background: rgba(37,211,102,0.1); color: #25D366; }
.contact-method__icon--blue   { background: rgba(26,60,94,0.1);  color: var(--primary); }
.contact-method__icon--orange { background: rgba(245,158,11,0.1); color: var(--accent); }
.contact-method__label { font-size: 0.75rem; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; margin-bottom: 4px; }
.contact-method__value { font-weight: 600; font-size: 0.95rem; color: var(--dark); transition: var(--transition); }
a.contact-method__value:hover { color: var(--secondary); }

/* ---- FOOTER ---- */
.footer { background: var(--dark); color: rgba(255,255,255,0.7); padding: 64px 0 0; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; margin-bottom: 48px; }
.footer__desc      { font-size: 0.88rem; margin-top: 16px; margin-bottom: 20px; line-height: 1.7; max-width: 280px; }
.footer__col-title { color: var(--white); font-size: 0.9rem; font-weight: 700; margin-bottom: 18px; }
.footer__links     { display: flex; flex-direction: column; gap: 10px; }
.footer__links a   { font-size: 0.88rem; transition: var(--transition); }
.footer__links a:hover { color: var(--white); padding-left: 4px; }
.footer__contact-list { display: flex; flex-direction: column; gap: 12px; }
.footer__contact-list li  { display: flex; align-items: flex-start; gap: 10px; font-size: 0.87rem; }
.footer__contact-list svg { color: var(--secondary-light); flex-shrink: 0; margin-top: 2px; }
.footer__contact-list a:hover { color: var(--white); }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 24px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer__copyright { font-size: 0.82rem; }
.footer__legal     { display: flex; gap: 20px; }
.footer__legal a   { font-size: 0.82rem; transition: var(--transition); }
.footer__legal a:hover { color: var(--white); }

/* ---- WHATSAPP FLOAT ---- */
.whatsapp-float { position: fixed; bottom: 28px; right: 28px; width: 58px; height: 58px; background: #25D366; border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 20px rgba(37,211,102,0.4); z-index: 999; transition: var(--transition); }
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37,211,102,0.5); }
.whatsapp-float__tooltip { position: absolute; right: 68px; background: var(--dark); color: var(--white); font-size: 0.8rem; padding: 6px 12px; border-radius: var(--radius-sm); white-space: nowrap; opacity: 0; pointer-events: none; transition: var(--transition); }
.whatsapp-float:hover .whatsapp-float__tooltip { opacity: 1; }

/* ---- NOSOTROS ---- */
.about-hero { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: var(--white); padding: 140px 0 80px; }
.about-hero__content { max-width: 700px; }
.about-hero h1 { color: var(--white); margin-bottom: 16px; }
.about-hero p  { color: rgba(255,255,255,0.75); font-size: 1.1rem; }

.mission-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.mission-card { background: var(--white); border-radius: var(--radius-lg); padding: 36px 28px; box-shadow: var(--shadow-card); border: 1px solid var(--gray-200); text-align: center; transition: var(--transition); }
.mission-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }
.mission-card__icon { width: 72px; height: 72px; background: linear-gradient(135deg, rgba(13,148,136,0.1), rgba(26,60,94,0.1)); border-radius: var(--radius-xl); display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; color: var(--secondary); }
.mission-card h3 { margin-bottom: 14px; }
.mission-card p  { color: var(--gray-500); font-size: 0.92rem; }

.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.value-card { padding: 28px 20px; background: var(--white); border-radius: var(--radius-lg); border: 1px solid var(--gray-200); text-align: center; transition: var(--transition); }
.value-card:hover { border-color: var(--secondary); box-shadow: var(--shadow-md); }
.value-card__icon { font-size: 2rem; margin-bottom: 12px; }
.value-card h4    { color: var(--dark); margin-bottom: 8px; }
.value-card p     { font-size: 0.85rem; color: var(--gray-500); }

.cert-card { background: var(--white); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-card); border: 2px solid var(--gray-200); display: flex; gap: 24px; align-items: flex-start; transition: var(--transition); }
.cert-card:hover { border-color: var(--accent); box-shadow: var(--shadow-lg); }
.cert-card__icon { width: 64px; height: 64px; flex-shrink: 0; background: rgba(245,158,11,0.1); color: var(--accent); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; }
.cert-card h3 { color: var(--dark); margin-bottom: 8px; }
.cert-card p  { color: var(--gray-500); font-size: 0.9rem; }

/* ---- SERVICIOS ---- */
.service-detail { padding: 60px 0; border-bottom: 1px solid var(--gray-200); }
.service-detail:last-child { border-bottom: none; }
.service-detail__header { display: flex; align-items: center; gap: 20px; margin-bottom: 32px; }
.service-detail__icon { width: 64px; height: 64px; flex-shrink: 0; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; }
.service-detail h2    { color: var(--dark); }
.service-detail__desc { color: var(--gray-500); font-size: 1rem; margin-bottom: 32px; max-width: 700px; }
.studies-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.study-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-md); padding: 20px; transition: var(--transition); }
.study-card:hover { border-color: var(--secondary); box-shadow: var(--shadow-md); }
.study-card__name { font-weight: 700; color: var(--dark); margin-bottom: 6px; font-size: 0.95rem; }
.study-card__time { font-size: 0.8rem; color: var(--secondary); font-weight: 600; }
.study-card__desc { font-size: 0.85rem; color: var(--gray-500); margin-top: 8px; }
.study-card__tag  { display: inline-block; font-size: 0.72rem; padding: 2px 8px; border-radius: var(--radius-full); background: rgba(13,148,136,0.1); color: var(--secondary); font-weight: 600; margin-top: 8px; }

/* ---- MEDICOS ---- */
.portal-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.portal-card { background: var(--white); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-card); border: 1px solid var(--gray-200); display: flex; flex-direction: column; gap: 16px; transition: var(--transition); }
.portal-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--secondary); }
.portal-card__icon { width: 60px; height: 60px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; }
.portal-card h3 { color: var(--dark); }
.portal-card p  { color: var(--gray-500); font-size: 0.92rem; flex: 1; }

.proceso-steps { display: flex; flex-direction: column; gap: 0; }
.step { display: flex; gap: 24px; position: relative; padding-bottom: 36px; }
.step:last-child { padding-bottom: 0; }
.step:last-child .step__line { display: none; }
.step__number { width: 48px; height: 48px; flex-shrink: 0; background: var(--secondary); color: var(--white); font-weight: 800; font-size: 1.1rem; border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center; position: relative; z-index: 1; }
.step__line { position: absolute; left: 23px; top: 48px; width: 2px; height: calc(100% - 48px); background: var(--gray-200); }
.step__content { padding-top: 10px; }
.step__title { font-weight: 700; color: var(--dark); margin-bottom: 6px; }
.step__desc  { color: var(--gray-500); font-size: 0.9rem; }

/* ---- CONTACTO ---- */
.contact-layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: start; }
.contact-form-section h2 { margin-bottom: 32px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.form-group label { font-size: 0.87rem; font-weight: 600; color: var(--gray-700); }
.form-group input,
.form-group select,
.form-group textarea { padding: 12px 16px; border: 1.5px solid var(--gray-200); border-radius: var(--radius-md); font-family: var(--font-body); font-size: 0.92rem; color: var(--dark); background: var(--white); transition: var(--transition); width: 100%; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { outline: none; border-color: var(--secondary); box-shadow: 0 0 0 3px rgba(13,148,136,0.12); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.contact-info-card { background: var(--gray-50); border-radius: var(--radius-lg); padding: 36px; border: 1px solid var(--gray-200); }
.contact-info-card h3 { color: var(--dark); margin-bottom: 28px; }
.contact-info-list  { display: flex; flex-direction: column; gap: 20px; }
.contact-info-item  { display: flex; gap: 14px; align-items: flex-start; }
.contact-info-item__icon { width: 46px; height: 46px; flex-shrink: 0; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; }
.contact-info-item__label { font-size: 0.78rem; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; margin-bottom: 4px; }
.contact-info-item__value { font-weight: 600; color: var(--dark); font-size: 0.95rem; }
a.contact-info-item__value:hover { color: var(--secondary); }

.map-placeholder { height: 200px; background: linear-gradient(135deg, var(--gray-100), var(--gray-200)); border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; margin-top: 24px; color: var(--gray-500); font-size: 0.9rem; gap: 10px; border: 1px solid var(--gray-200); }

/* ---- PAGE HERO ---- */
.page-hero { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); padding: 140px 0 80px; color: var(--white); }
.page-hero h1 { color: var(--white); margin-bottom: 16px; }
.page-hero p  { color: rgba(255,255,255,0.75); font-size: 1.05rem; max-width: 620px; }

/* ---- ANIMATIONS ---- */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .services__grid      { grid-template-columns: repeat(2, 1fr); }
  .products__grid      { grid-template-columns: repeat(2, 1fr); }
  .testimonials__grid  { grid-template-columns: repeat(2, 1fr); }
  .contact-strip__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid        { grid-template-columns: repeat(2, 1fr); }
  .values-grid         { grid-template-columns: repeat(2, 1fr); }
  .portal-grid         { grid-template-columns: 1fr; }
  .contact-layout      { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .hero > .container { grid-template-columns: 1fr; gap: 40px; }
  .hero__image       { display: none; }
  .why-us__grid      { grid-template-columns: 1fr; gap: 40px; }
  .cert-bar__grid    { justify-content: center; gap: 16px; }
  .cert-item:nth-child(n+4) { display: none; }
  .mission-grid      { grid-template-columns: 1fr; }
  .team-grid         { grid-template-columns: repeat(2, 1fr); }
  .doctors-cta__content { flex-direction: column; }
  .products__grid    { grid-template-columns: 1fr; }

  .nav__menu { position: fixed; top: 72px; left: 0; right: 0; background: var(--white); flex-direction: column; align-items: stretch; padding: 16px; gap: 4px; box-shadow: var(--shadow-xl); transform: translateY(-100%); opacity: 0; visibility: hidden; transition: var(--transition); z-index: 999; }
  .nav__menu.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav__link { justify-content: space-between; }
  .dropdown { position: static; transform: none; box-shadow: none; border: none; background: var(--gray-50); border-radius: var(--radius-md); opacity: 1; visibility: visible; display: none; }
  .nav__item--dropdown.open .dropdown { display: block; }
  .nav__hamburger { display: flex; }

  h1 { font-size: 2rem; }
  .section { padding: 56px 0; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .form-row     { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .services__grid      { grid-template-columns: 1fr; }
  .testimonials__grid  { grid-template-columns: 1fr; }
  .contact-strip__grid { grid-template-columns: 1fr; }
  .team-grid           { grid-template-columns: 1fr; }
  .values-grid         { grid-template-columns: 1fr; }
  .footer__grid        { grid-template-columns: 1fr; }
  .hero__ctas          { flex-direction: column; }
  .btn--lg             { width: 100%; justify-content: center; }
}