/* ============================================
   Dr. Patricio Laborías - Medicina Estética
   Estilo: Clásico, minimalista, elegante
   ============================================ */

/* --- Custom Properties --- */
:root {
  --color-bg: #FAFAF7;
  --color-bg-alt: #F0EDE8;
  --color-bg-dark: #1a1a1a;
  --color-text: #2C2C2C;
  --color-text-light: #6B6B6B;
  --color-text-on-dark: #F0EDE8;
  --color-accent: #A8C5D6;
  --color-accent-dark: #7BA3B8;
  --color-beige: #E8DDD3;
  --color-beige-dark: #D4C5B5;
  --color-white: #FFFFFF;
  --color-black: #1a1a1a;
  --color-border: rgba(0, 0, 0, 0.08);

  --font-serif: 'Lora', Georgia, serif;
  --font-sans: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1140px;
}

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

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

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

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

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

ul, ol {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.3;
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 3vw, 1.5rem); }

p {
  font-size: 1rem;
  line-height: 1.8;
}

.text-accent { color: var(--color-accent-dark); }
.text-light { color: var(--color-text-light); }

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section--dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-on-dark);
}

/* --- Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 250, 247, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.nav.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.nav__logo img {
  height: 36px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__links a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text-light);
  transition: color var(--transition);
}

.nav__links a:hover {
  color: var(--color-text);
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.4rem;
  background: var(--color-bg-dark);
  color: var(--color-white) !important;
  border-radius: 50px;
  font-size: 0.8rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.05em;
  transition: background var(--transition), transform var(--transition) !important;
}

.nav__cta:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  transition: var(--transition);
  border-radius: 2px;
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem 1.5rem 5rem;
  background: linear-gradient(
    135deg,
    var(--color-bg) 0%,
    var(--color-bg-alt) 50%,
    var(--color-beige) 100%
  );
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(168, 197, 214, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

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

.hero__tagline {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 1.5rem;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

.hero__title em {
  font-style: italic;
  color: var(--color-accent-dark);
}

.hero__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-light);
  margin-bottom: 2.5rem;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

.hero__buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  border-radius: 50px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}

.btn--primary {
  background: var(--color-bg-dark);
  color: var(--color-white);
}

.btn--primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-beige-dark);
}

.btn--outline:hover {
  background: var(--color-beige);
  border-color: var(--color-beige);
  transform: translateY(-2px);
}

.btn--whatsapp {
  background: #25D366;
  color: var(--color-white);
}

.btn--whatsapp:hover {
  background: #1fb855;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* --- About --- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about__image {
  position: relative;
}

.about__image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.about__image::after {
  content: '';
  position: absolute;
  bottom: -15px;
  right: -15px;
  width: 120px;
  height: 120px;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-lg);
  z-index: -1;
}

.about__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 0.75rem;
}

.about__title {
  margin-bottom: 1.5rem;
}

.about__text {
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.about__quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--color-text);
  padding: 1.5rem;
  border-left: 3px solid var(--color-accent);
  background: var(--color-bg-alt);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-top: 2rem;
}

/* --- Services / Treatments --- */
.services__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
}

.services__header p {
  color: var(--color-text-light);
  margin-top: 1rem;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 2rem;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-beige));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.3rem;
}

.service-card__title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.service-card__text {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* --- Formaciones --- */
.formaciones__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.formaciones__image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.formaciones__list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin: 1.5rem 0 2rem;
}

.formaciones__item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.formaciones__item-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--color-white);
  font-weight: 700;
}

.formaciones__item-text h4 {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.formaciones__item-text p {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* --- Testimonials --- */
.testimonials__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
}

.testimonials__header p {
  color: var(--color-text-on-dark);
  opacity: 0.7;
  margin-top: 1rem;
}

/* Marquee auto-scroll */
.marquee {
  overflow: hidden;
  width: 100%;
  mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
}

.marquee__track {
  display: flex;
  gap: 1.5rem;
  width: max-content;
}

.marquee__track--left {
  animation: marqueeLeft 60s linear infinite;
}

.marquee__track--right {
  animation: marqueeRight 60s linear infinite;
}

.marquee:hover .marquee__track {
  animation-play-state: paused;
}

@keyframes marqueeLeft {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes marqueeRight {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  min-width: 340px;
  max-width: 340px;
  flex-shrink: 0;
  transition: background var(--transition);
}

.testimonial-card:hover {
  background: rgba(255, 255, 255, 0.08);
}

.testimonial-card__stars {
  color: var(--color-accent);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
}

.testimonial-card__text {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-text-on-dark);
  opacity: 0.9;
  margin-bottom: 1.25rem;
}

.testimonial-card__author {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
}

.testimonial-card__role {
  font-size: 0.75rem;
  color: var(--color-text-on-dark);
  opacity: 0.5;
  margin-top: 0.25rem;
}

@media (max-width: 768px) {
  .testimonial-card {
    min-width: 280px;
    max-width: 280px;
    padding: 1.5rem;
  }
}

/* --- Contact --- */
.contact__inner {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.contact__title {
  margin-bottom: 1rem;
}

.contact__text {
  color: var(--color-text-light);
  margin-bottom: 2.5rem;
}

.contact__buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Footer --- */
.footer {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  padding: 3rem 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer__logo img {
  height: 28px;
  filter: brightness(0) invert(1);
}

.footer__social {
  display: flex;
  gap: 1rem;
}

.footer__social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: all var(--transition);
}

.footer__social a:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.footer__copy {
  font-size: 0.75rem;
  opacity: 0.5;
  width: 100%;
  text-align: center;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* --- WhatsApp Float --- */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
  z-index: 999;
  transition: all var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: white;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonials__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: 2rem 1.5rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }

  .nav__links.active {
    display: flex;
  }

  .nav__toggle {
    display: block;
  }

  .nav__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav__toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero {
    padding: 7rem 1.5rem 4rem;
    min-height: auto;
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about__image {
    max-width: 400px;
    margin: 0 auto;
  }

  .services__grid {
    grid-template-columns: 1fr;
  }

  .formaciones__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .testimonials__grid {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    justify-content: center;
    text-align: center;
  }

  .section {
    padding: 3.5rem 0;
  }
}