/* =============================================
   Consultorio Dental Doctora Lirio - Styles
   Colors: Dorado + Navy + Cream
   ============================================= */

/* === VARIABLES === */
:root {
  --gold: #C6A664;
  --gold-light: #D4BA82;
  --gold-dark: #A8893E;
  --navy: #1B2A4A;
  --navy-light: #2C3E6B;
  --cream: #FDF8F0;
  --white: #FFFFFF;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --text: #2D2D2D;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
  --radius: 12px;
  --transition: 0.3s ease;
}

/* === RESET & BASE === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-align: center;
  justify-content: center;
}

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

.btn-primary:hover {
  background: var(--gold-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(198, 166, 100, 0.4);
}

.btn-secondary {
  background: var(--white);
  color: var(--navy);
  border: 2px solid var(--navy);
}

.btn-secondary:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-2px);
}

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

.btn-whatsapp:hover {
  background: #1da851;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

/* === HEADER / NAV === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow var(--transition);
}

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

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
}

.nav-logo img {
  height: 50px;
  width: 50px;
  border-radius: 50%;
  object-fit: cover;
}

.nav-logo-text span {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--gold);
  letter-spacing: 1px;
  text-transform: uppercase;
}

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

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--gray-700);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width var(--transition);
}

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

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-phone {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--navy);
  font-size: 0.9rem;
}

.nav-phone svg {
  width: 18px;
  height: 18px;
  color: var(--gold);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--navy);
  transition: all var(--transition);
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(198,166,100,0.15) 0%, transparent 70%);
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(198,166,100,0.1) 0%, transparent 70%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  color: var(--white);
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(198,166,100,0.2);
  border: 1px solid rgba(198,166,100,0.4);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--gold-light);
  margin-bottom: 24px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero h1 .highlight {
  color: var(--gold);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 36px;
  max-width: 500px;
  line-height: 1.7;
}

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

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.15);
}

.hero-stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--gold);
}

.hero-stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
}

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-image img {
  width: 420px;
  height: auto;
  border-radius: 30px;
  border: 4px solid rgba(198,166,100,0.3);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.hero-image-badge {
  position: absolute;
  bottom: 30px;
  left: -20px;
  background: var(--white);
  padding: 16px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-image-badge svg {
  width: 36px;
  height: 36px;
  color: var(--gold);
}

.hero-image-badge-text {
  font-size: 0.85rem;
  color: var(--gray-600);
}

.hero-image-badge-text strong {
  display: block;
  font-size: 1rem;
  color: var(--navy);
}

/* === SECTIONS COMMON === */
section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(198,166,100,0.12);
  color: var(--gold-dark);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--gray-600);
  line-height: 1.7;
}

/* === SERVICES === */
.services {
  background: var(--gray-50);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition);
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(198,166,100,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.service-icon svg {
  width: 32px;
  height: 32px;
  color: var(--gold);
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 20px;
}

.service-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.service-link:hover {
  color: var(--gold-dark);
  gap: 10px;
}

/* === SPECIALTIES BANNER === */
.specialties {
  background: var(--navy);
  padding: 60px 0;
}

.specialties .container {
  text-align: center;
}

.specialties h2 {
  color: var(--white);
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.specialties > .container > p {
  color: rgba(255,255,255,0.7);
  margin-bottom: 40px;
  font-size: 1rem;
}

.specialties-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.specialty-tag {
  padding: 10px 24px;
  background: rgba(198,166,100,0.15);
  border: 1px solid rgba(198,166,100,0.3);
  border-radius: 50px;
  color: var(--gold-light);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition);
}

.specialty-tag:hover {
  background: var(--gold);
  color: var(--white);
  border-color: var(--gold);
}

/* === ABOUT === */
.about {
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image img {
  width: 100%;
  max-width: 480px;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
}

.about-image-decoration {
  position: absolute;
  top: -20px;
  left: -20px;
  width: 100%;
  height: 100%;
  border: 3px solid var(--gold);
  border-radius: 20px;
  z-index: -1;
}

.about-content .section-tag {
  margin-bottom: 16px;
}

.about-content h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 20px;
  line-height: 1.2;
}

.about-content > p {
  color: var(--gray-600);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-credentials {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.credential {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--gray-50);
  border-radius: var(--radius);
  border-left: 4px solid var(--gold);
}

.credential svg {
  width: 24px;
  height: 24px;
  color: var(--gold);
  flex-shrink: 0;
}

.credential-text {
  font-size: 0.95rem;
  color: var(--gray-700);
}

.credential-text strong {
  color: var(--navy);
}

/* === BLOG === */
.blog {
  background: var(--gray-50);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.blog-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  border: 1px solid var(--gray-200);
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.blog-card-image {
  overflow: hidden;
}

.blog-card-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition);
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.05);
}

.blog-card-content {
  padding: 28px;
}

.blog-card-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(198,166,100,0.12);
  color: var(--gold-dark);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.blog-card-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
  line-height: 1.4;
}

.blog-card-content p {
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 20px;
}

.blog-card-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.blog-card-link:hover {
  color: var(--gold-dark);
  gap: 10px;
}

/* === CONTACT === */
.contact {
  background: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.contact-item-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(198,166,100,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-icon svg {
  width: 22px;
  height: 22px;
  color: var(--gold);
}

.contact-item-text h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}

.contact-item-text p {
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.5;
}

.contact-item-text a {
  color: var(--gold);
  font-weight: 600;
}

.contact-item-text a:hover {
  color: var(--gold-dark);
}

.contact-map {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  height: 400px;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* === WHATSAPP FLOATING === */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 64px;
  height: 64px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all var(--transition);
  animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
  width: 34px;
  height: 34px;
  fill: white;
}

@keyframes pulse-whatsapp {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6); }
}

/* === FOOTER === */
.footer {
  background: var(--navy);
  color: var(--white);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand p {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 16px;
  max-width: 300px;
}

.footer h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--gold-light);
}

.footer-links a {
  display: block;
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  padding: 6px 0;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--gold);
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.7);
  transition: background var(--transition), color var(--transition);
}

.footer-social a:hover {
  background: var(--gold);
  color: var(--white);
}

.footer-social svg {
  width: 18px;
  height: 18px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--gold);
  flex-shrink: 0;
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  color: rgba(255,255,255,0.4);
  font-size: 0.8rem;
}

/* === BLOG PAGE STYLES === */
.blog-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  padding: 140px 0 60px;
  text-align: center;
  color: var(--white);
}

.blog-hero h1 {
  font-size: 2.6rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.blog-hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.7);
  max-width: 600px;
  margin: 0 auto;
}

.blog-hero .blog-meta {
  margin-top: 20px;
  display: flex;
  justify-content: center;
  gap: 24px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
}

.blog-hero .blog-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.article-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 24px;
}

.article-content h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--navy);
  margin: 40px 0 16px;
}

.article-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--navy);
  margin: 32px 0 12px;
}

.article-content p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--gray-700);
  margin-bottom: 20px;
}

.article-content ul,
.article-content ol {
  margin: 16px 0 24px 24px;
  list-style: disc;
}

.article-content ol {
  list-style: decimal;
}

.article-content li {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--gray-700);
  margin-bottom: 8px;
}

.article-content blockquote {
  border-left: 4px solid var(--gold);
  padding: 20px 24px;
  margin: 28px 0;
  background: var(--cream);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--gray-700);
}

.article-cta {
  background: var(--cream);
  border: 2px solid var(--gold);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  margin: 48px 0;
}

.article-cta h3 {
  margin-top: 0;
  color: var(--navy);
}

.article-cta p {
  margin-bottom: 24px;
}

.article-related {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--gray-200);
}

.article-related h3 {
  text-align: center;
  margin-bottom: 32px;
}

/* === BREADCRUMB === */
.breadcrumb {
  padding: 12px 0;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--gray-500);
}

.breadcrumb-list a {
  color: var(--gold);
}

.breadcrumb-list a:hover {
  color: var(--gold-dark);
}

/* === MOBILE NAV === */
.mobile-menu {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  width: 100%;
  height: calc(100vh - 80px);
  background: var(--white);
  z-index: 999;
  padding: 32px 24px;
  flex-direction: column;
  gap: 0;
}

.mobile-menu.active {
  display: flex;
}

.mobile-menu a {
  display: block;
  padding: 16px 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--navy);
  border-bottom: 1px solid var(--gray-100);
}

.mobile-menu a:hover {
  color: var(--gold);
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .nav-links,
  .nav-cta .btn {
    display: none;
  }

  .nav-phone {
    display: flex;
  }

  .hamburger {
    display: flex;
  }

  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-subtitle {
    margin: 0 auto 28px;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
    gap: 24px;
  }

  .hero-image img {
    width: 300px;
    height: auto;
  }

  .hero-image-badge {
    left: 50%;
    transform: translateX(-50%);
    bottom: -10px;
  }

  .services-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .about-image {
    order: -1;
    display: flex;
    justify-content: center;
  }

  .about-image img {
    max-width: 350px;
  }

  .about-image-decoration {
    display: none;
  }

  .blog-grid {
    grid-template-columns: 1fr;
    max-width: 450px;
    margin: 0 auto;
  }

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

  .section-header h2 {
    font-size: 1.8rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand p {
    max-width: none;
  }

  .blog-hero h1 {
    font-size: 1.8rem;
  }

  .article-content {
    padding: 40px 20px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
    align-items: center;
  }

  .btn {
    padding: 12px 24px;
    font-size: 0.9rem;
  }

  .contact-map {
    height: 280px;
  }
}