/* Formación en Clínica Psicoanalítica — Landing */
:root {
  --ink: #1a1f2e;
  --ink-soft: #3d4556;
  --cream: #f7f4ef;
  --cream-dark: #ebe4d9;
  --accent: #2c5282;
  --accent-light: #4a6fa5;
  --gold: #c9a227;
  --white: #ffffff;
  --shadow: 0 8px 32px rgba(26, 31, 46, 0.12);
  --radius: 12px;
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-display: "Fraunces", Georgia, serif;
  --header-h: 72px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--ink-soft);
  background: var(--cream);
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 600;
  line-height: 1.25;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-light);
}

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

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1rem, 4vw, 2.5rem);
  background: rgba(247, 244, 239, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(44, 82, 130, 0.08);
  transition: box-shadow 0.3s;
}

.site-header.is-scrolled {
  box-shadow: var(--shadow);
}

.logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--ink);
}

.nav-links {
  display: flex;
  gap: clamp(0.75rem, 2vw, 1.75rem);
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-cta {
  background: var(--accent);
  color: var(--white) !important;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  font-size: 0.88rem;
}

.nav-cta:hover {
  background: var(--accent-light);
  color: var(--white) !important;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 1.5rem;
    background: var(--cream);
    border-bottom: 1px solid var(--cream-dark);
    gap: 1rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s ease, opacity 0.35s ease;
  }

  .nav-links.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
}

/* --- Hero slider --- */
.hero {
  margin-top: var(--header-h);
  position: relative;
  min-height: min(88vh, 900px);
  overflow: hidden;
}

.hero-slider {
  position: relative;
  width: 100%;
  height: min(88vh, 900px);
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s ease, visibility 1s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.hero-slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  animation: kenburns 18s ease-in-out infinite alternate;
}

@keyframes kenburns {
  from { transform: scale(1.05); }
  to { transform: scale(1.12); }
}

.hero-slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(26, 31, 46, 0.88) 0%,
    rgba(44, 82, 130, 0.75) 45%,
    rgba(26, 31, 46, 0.82) 100%
  );
}

.hero-slide-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding: 2rem clamp(1.25rem, 5vw, 3rem);
  text-align: center;
}

.hero-slide-content h1 {
  color: var(--white);
  font-size: clamp(1.85rem, 5vw, 3rem);
  margin: 0 0 1rem;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
  animation: fadeUp 0.9s ease 0.1s both;
}

.hero-slide-content .lead {
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  margin: 0 0 1.75rem;
  animation: fadeUp 0.9s ease 0.25s both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-cta {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  animation: fadeUp 0.9s ease 0.4s both;
}

.btn {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  font-family: inherit;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--gold);
  color: var(--ink);
  box-shadow: 0 4px 20px rgba(201, 162, 39, 0.45);
}

.btn-primary:hover {
  color: var(--ink);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.15);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.25);
  color: var(--white);
}

.hero-controls {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.5);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: background 0.3s, transform 0.3s;
}

.hero-dot.is-active {
  background: var(--gold);
  border-color: var(--gold);
  transform: scale(1.15);
}

.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.hero-arrow:hover {
  background: rgba(255, 255, 255, 0.2);
}

.hero-arrow.prev { left: clamp(0.5rem, 3vw, 1.5rem); }
.hero-arrow.next { right: clamp(0.5rem, 3vw, 1.5rem); }

/* Floating orbs (decorative) */
.hero-orbs {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.35;
  animation: floatOrb 12s ease-in-out infinite;
}

.orb:nth-child(1) {
  width: 280px;
  height: 280px;
  background: var(--accent-light);
  top: 10%;
  left: -5%;
  animation-delay: 0s;
}

.orb:nth-child(2) {
  width: 200px;
  height: 200px;
  background: var(--gold);
  bottom: 15%;
  right: -3%;
  animation-delay: -4s;
}

.orb:nth-child(3) {
  width: 160px;
  height: 160px;
  background: #6b8cae;
  top: 40%;
  right: 20%;
  animation-delay: -7s;
}

@keyframes floatOrb {
  0%, 100% { transform: translate(0, 0); }
  33% { transform: translate(20px, -15px); }
  66% { transform: translate(-15px, 10px); }
}

/* --- Sections --- */
.section {
  padding: clamp(3.5rem, 8vw, 5.5rem) clamp(1.25rem, 5vw, 2.5rem);
  max-width: 1120px;
  margin: 0 auto;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.35rem);
  margin: 0 0 0.5rem;
  text-align: center;
}

.section-sub {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 2.5rem;
  color: var(--ink-soft);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Intro cards */
.intro-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(44, 82, 130, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(26, 31, 46, 0.1);
}

.card h3 {
  font-size: 1.15rem;
  margin: 0 0 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-icon {
  font-size: 1.4rem;
}

/* Propuesta split */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (max-width: 880px) {
  .split {
    grid-template-columns: 1fr;
  }
}

.split-img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  position: relative;
}

.split-img img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.split-img figcaption {
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin-top: 0.5rem;
  font-style: italic;
}

.quote-block {
  border-left: 4px solid var(--gold);
  padding: 0.5rem 0 0.5rem 1.25rem;
  margin: 1.5rem 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--ink);
  font-style: italic;
}

/* Program accordion */
.program-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.program-item {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid rgba(44, 82, 130, 0.1);
  overflow: hidden;
}

.program-item summary {
  padding: 1.1rem 1.25rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.program-item summary::-webkit-details-marker {
  display: none;
}

.program-item summary::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--accent);
  transition: transform 0.25s;
}

.program-item[open] summary::after {
  transform: rotate(45deg);
}

.program-item .body {
  padding: 0 1.25rem 1.25rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.program-item .body ul {
  margin: 0.5rem 0 0;
  padding-left: 1.2rem;
}

/* Modalidades & precios */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.price-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  border: 2px solid transparent;
  box-shadow: var(--shadow);
  transition: border-color 0.3s, transform 0.3s;
}

.price-card.featured {
  border-color: var(--accent);
  position: relative;
}

.price-card.featured::before {
  content: "Recomendado";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.85rem;
  border-radius: 999px;
}

.price-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
}

.price-card .amount {
  font-family: var(--font-display);
  font-size: 1.65rem;
  color: var(--accent);
  margin: 1rem 0;
}

.price-card .note {
  font-size: 0.88rem;
  color: var(--ink-soft);
}

.meta-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 2rem;
}

.badge {
  background: var(--cream-dark);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-size: 0.88rem;
  color: var(--ink);
}

/* Docente */
.docente {
  background: linear-gradient(180deg, var(--cream-dark) 0%, var(--cream) 100%);
}

.docente-inner {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2rem;
  align-items: start;
  max-width: 900px;
  margin: 0 auto;
}

.docente-photo {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 3/4;
  background: var(--ink);
}

.docente-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.docente-photo--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, var(--accent) 0%, #1a2744 100%);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

@media (max-width: 640px) {
  .docente-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .docente-photo {
    max-width: 220px;
    margin: 0 auto;
  }
}

/* Testimonios */
.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
}

.testimonial {
  background: var(--white);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  font-size: 0.95rem;
  position: relative;
}

.testimonial::before {
  content: "“";
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--accent);
  opacity: 0.25;
  line-height: 1;
  position: absolute;
  top: 0.5rem;
  left: 1rem;
}

.testimonial footer {
  margin-top: 1rem;
  font-weight: 600;
  color: var(--ink);
  font-size: 0.88rem;
}

/* Contact */
.contact-section {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.88);
}

.contact-section .section-title,
.contact-section h2 {
  color: var(--white);
}

.contact-section .section-sub {
  color: rgba(255, 255, 255, 0.75);
}

.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  max-width: 960px;
  margin: 0 auto;
}

@media (max-width: 800px) {
  .contact-wrap {
    grid-template-columns: 1fr;
  }
}

.contact-form label {
  display: block;
  font-size: 0.88rem;
  margin-bottom: 0.35rem;
  color: rgba(255, 255, 255, 0.85);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  font-family: inherit;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.contact-form textarea {
  min-height: 120px;
  resize: vertical;
}

.contact-form .btn-primary {
  width: 100%;
  margin-top: 0.5rem;
}

.form-hint {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 1rem;
}

.form-success {
  display: none;
  padding: 1rem;
  background: rgba(201, 162, 39, 0.2);
  border-radius: 8px;
  color: var(--gold);
  margin-bottom: 1rem;
}

.form-success.is-show {
  display: block;
}

.contact-info p {
  margin: 0 0 1rem;
}

.contact-info a {
  color: var(--gold);
}

/* Footer */
.site-footer {
  padding: 2rem clamp(1.25rem, 5vw, 2.5rem);
  text-align: center;
  font-size: 0.88rem;
  color: var(--ink-soft);
  border-top: 1px solid var(--cream-dark);
}

/* WhatsApp float */
.wa-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 1100;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 24px rgba(37, 211, 102, 0.5);
  transition: transform 0.25s, box-shadow 0.25s;
}

.wa-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 32px rgba(37, 211, 102, 0.6);
  color: var(--white);
}

.wa-float svg {
  width: 30px;
  height: 30px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 9999;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: var(--white);
}