/* ============================================================
   DR. EDUARDO VILLALÓN – Estilos principales
   ============================================================ */

/* ---------- Variables ---------- */
:root {
  --navy:       #0d1b2a;
  --navy-light: #162032;
  --gold:       #b89c6e;
  --gold-light: #d4b896;
  --white:      #ffffff;
  --off-white:  #f8f6f2;
  --gray-100:   #f0eee9;
  --gray-200:   #e0ddd6;
  --gray-500:   #9e9b93;
  --gray-700:   #5a5750;
  --text:       #1a1714;
  --text-light: #4a4845;

  --font-serif:  'Cormorant Garamond', Georgia, serif;
  --font-sans:   'Inter', system-ui, sans-serif;

  --radius:  4px;
  --radius-lg: 8px;
  --shadow:  0 2px 16px rgba(13,27,42,.10);
  --shadow-md: 0 4px 32px rgba(13,27,42,.15);

  --max-w: 1180px;
  --section-py: 96px;
  --header-h: 72px;

  --transition: .25s ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

ul { list-style: none; }

/* ---------- Utilities ---------- */
.container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 24px;
}

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

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.section-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  color: var(--navy);
  line-height: 1.15;
}

.section-desc {
  max-width: 560px;
  margin-inline: auto;
  margin-top: 16px;
  color: var(--text-light);
  font-size: .95rem;
}

.divider {
  width: 48px;
  height: 2px;
  background: var(--gold);
  margin: 20px auto 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: .875rem;
  font-weight: 500;
  letter-spacing: .04em;
  cursor: pointer;
  transition: all var(--transition);
  border: 1.5px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gold);
  color: var(--navy);
  border-color: var(--gold);
}
.btn-primary:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.5);
}
.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,.08);
}

.btn-full { width: 100%; }

/* ---------- HEADER ---------- */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition);
}

#header.scrolled {
  background: rgba(13,27,42,.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(184,156,110,.15);
}

.nav-container {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--white);
  letter-spacing: .01em;
}
.logo-title {
  font-size: .7rem;
  font-weight: 400;
  color: var(--gold);
  letter-spacing: .1em;
  text-transform: uppercase;
}

nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: .85rem;
  font-weight: 400;
  letter-spacing: .04em;
  color: rgba(255,255,255,.8);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--gold); }

.nav-cta {
  padding: 9px 20px;
  border: 1.5px solid var(--gold);
  border-radius: var(--radius);
  color: var(--gold) !important;
  font-weight: 500 !important;
}
.nav-cta:hover {
  background: var(--gold) !important;
  color: var(--navy) !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--navy);
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 70% 50%, rgba(184,156,110,.07) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 80%, rgba(184,156,110,.05) 0%, transparent 60%);
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to bottom, transparent, var(--off-white));
  pointer-events: none;
}

.hero-content {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  align-items: center;
  padding-block: 80px;
  width: 100%;
}

.hero-eyebrow {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}

.hero-text h1 {
  font-family: var(--font-serif);
  font-size: clamp(3.5rem, 7vw, 5.5rem);
  font-weight: 300;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 1rem;
  color: rgba(255,255,255,.7);
  margin-bottom: 32px;
  line-height: 1.7;
  max-width: 440px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
}

.badge {
  display: inline-block;
  padding: 5px 12px;
  border: 1px solid rgba(184,156,110,.4);
  border-radius: 100px;
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--gold-light);
  text-transform: uppercase;
}

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

/* Photo placeholder */
.hero-photo {
  width: 320px;
  flex-shrink: 0;
}

.photo-placeholder {
  width: 320px;
  aspect-ratio: 3 / 4;
  background: rgba(255,255,255,.04);
  border: 1.5px dashed rgba(184,156,110,.35);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.photo-placeholder-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  color: rgba(255,255,255,.3);
  text-align: center;
  padding: 24px;
}

.photo-placeholder-inner svg {
  width: 64px;
  height: 64px;
  stroke: rgba(184,156,110,.4);
}

.photo-placeholder-inner p {
  font-size: .8rem;
  line-height: 1.5;
}

/* Foto real (cuando esté disponible) */
.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* ---------- SOBRE MÍ ---------- */
.sobre-mi { background: var(--off-white); }

.sobre-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 64px;
  align-items: start;
}

.sobre-text .lead {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--navy);
  margin-bottom: 24px;
  line-height: 1.6;
}

.sobre-text p {
  font-size: .95rem;
  color: var(--text-light);
  margin-bottom: 16px;
}
.sobre-text p:last-child { margin-bottom: 0; }

.sobre-text strong { color: var(--text); font-weight: 500; }

.sobre-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.stat-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: box-shadow var(--transition);
}
.stat-card:hover { box-shadow: var(--shadow); }

.stat-number {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 500;
  color: var(--navy);
  line-height: 1;
}

.stat-label {
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ---------- SERVICIOS ---------- */
.servicios { background: var(--white); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 40px;
}

.service-card {
  background: var(--off-white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  color: var(--gold);
}
.service-icon svg {
  width: 100%;
  height: 100%;
  stroke: var(--gold);
}

.service-card h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--gray-200);
}

.service-list li {
  padding-block: 14px;
  border-bottom: 1px solid var(--gray-200);
}
.service-list li:last-child { border-bottom: none; }

.service-list strong {
  display: block;
  font-size: .875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
  letter-spacing: .01em;
}

.service-list p {
  font-size: .82rem;
  color: var(--text-light);
  line-height: 1.6;
}

.services-notice {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  color: rgba(255,255,255,.75);
  font-size: .875rem;
  line-height: 1.6;
}
.services-notice strong { color: var(--gold); font-weight: 600; }

/* ---------- CREDENCIALES ---------- */
.credenciales { background: var(--navy); }

.credenciales .section-header h2 { color: var(--white); }
.credenciales .section-tag { color: var(--gold); }
.credenciales .divider { background: var(--gold); }

.credentials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: rgba(255,255,255,.06);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.credential-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 32px 28px;
  background: var(--navy-light);
  transition: background var(--transition);
}
.credential-item:hover { background: rgba(184,156,110,.06); }

.credential-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  margin-top: 2px;
}
.credential-icon svg {
  width: 100%;
  height: 100%;
  stroke: var(--gold);
}

.credential-text h4 {
  font-family: var(--font-sans);
  font-size: .9rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 6px;
  letter-spacing: .01em;
}

.credential-text p {
  font-size: .83rem;
  color: rgba(255,255,255,.55);
  line-height: 1.65;
}

/* ---------- CONTACTO ---------- */
.contacto { background: var(--off-white); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
}
.contact-icon svg {
  width: 100%;
  height: 100%;
  stroke: var(--gold);
}

.contact-item h4 {
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 4px;
}
.contact-item p {
  font-size: .95rem;
  color: var(--text);
}
.contact-item a:hover { color: var(--gold); }

/* Form */
.contact-form {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}

.form-group label {
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--text-light);
}
.form-group label span { color: var(--gold); }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  font-family: var(--font-sans);
  font-size: .9rem;
  color: var(--text);
  background: var(--off-white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  outline: none;
  transition: border-color var(--transition), background var(--transition);
  appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  background: var(--white);
}

.form-group textarea { resize: vertical; min-height: 100px; }

.form-disclaimer {
  font-size: .75rem;
  color: var(--gray-500);
  text-align: center;
  margin-top: 12px;
}

.form-success {
  margin-top: 16px;
  padding: 14px;
  background: rgba(184,156,110,.12);
  border: 1px solid rgba(184,156,110,.4);
  border-radius: var(--radius);
  font-size: .875rem;
  color: var(--navy);
  text-align: center;
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--navy);
  padding-block: 48px;
  border-top: 1px solid rgba(184,156,110,.15);
}

.footer-container {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 48px;
  align-items: center;
}

.footer-brand .logo-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--white);
  display: block;
  margin-bottom: 2px;
}
.footer-brand .logo-title {
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 12px;
}
.footer-tagline {
  font-size: .8rem;
  color: rgba(255,255,255,.4);
  font-style: italic;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
}
.footer-nav a {
  font-size: .8rem;
  letter-spacing: .04em;
  color: rgba(255,255,255,.5);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--gold); }

.footer-legal {
  text-align: right;
}
.footer-legal p {
  font-size: .75rem;
  color: rgba(255,255,255,.35);
  line-height: 1.6;
}
.footer-disclaimer {
  margin-top: 4px;
  max-width: 260px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
  .sobre-grid { grid-template-columns: 1fr; }
  .sobre-stats { grid-template-columns: repeat(4, 1fr); }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .services-grid .service-card:last-child { grid-column: 1 / -1; max-width: 480px; margin-inline: auto; }
  .footer-container { grid-template-columns: 1fr 1fr; grid-template-rows: auto auto; }
  .footer-legal { text-align: left; grid-column: 1 / -1; }
  .footer-disclaimer { max-width: 100%; }
}

@media (max-width: 768px) {
  :root {
    --section-py: 64px;
    --header-h: 64px;
  }

  /* Nav mobile */
  .hamburger { display: flex; }

  .nav-links {
    display: none;
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: var(--navy);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 40px;
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1.1rem; }
  .nav-cta { padding: 12px 28px !important; }

  /* Hero */
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-block: 60px;
  }
  .hero-photo { order: -1; width: 100%; display: flex; justify-content: center; }
  .photo-placeholder { width: min(280px, 80vw); }
  .hero-text h1 { font-size: clamp(2.8rem, 10vw, 4rem); }

  /* Services */
  .services-grid { grid-template-columns: 1fr; }
  .services-grid .service-card:last-child { max-width: 100%; }

  /* Credentials */
  .credentials-grid { grid-template-columns: 1fr; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-form { padding: 28px 20px; }

  /* Footer */
  .footer-container { grid-template-columns: 1fr; text-align: center; }
  .footer-legal { text-align: center; }
  .footer-disclaimer { margin-inline: auto; }
  .footer-nav { justify-content: center; }
}

@media (max-width: 480px) {
  .sobre-stats { grid-template-columns: 1fr 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-badges { flex-direction: column; }
}

/* ---------- Hamburger open state ---------- */
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Scroll animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .55s ease, transform .55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}