/* ==========================================
   DENTAL SONRISA — styles.css
   Theme: Clean Medical Blue / White
   ========================================== */

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

:root {
  --primary:       #2563EB;
  --primary-dark:  #1D4ED8;
  --primary-light: #EFF6FF;
  --primary-mid:   #BFDBFE;
  --accent:        #06B6D4;
  --green:         #16A34A;
  --dark:          #0F172A;
  --gray-800:      #1E293B;
  --gray-700:      #334155;
  --gray-600:      #475569;
  --gray-400:      #94A3B8;
  --gray-200:      #E2E8F0;
  --gray-100:      #F8FAFC;
  --white:         #FFFFFF;
  --whatsapp:      #25D366;

  --font:          'Inter', sans-serif;
  --radius:        12px;
  --radius-lg:     20px;
  --shadow:        0 4px 24px rgba(37,99,235,.10);
  --shadow-md:     0 8px 40px rgba(15,23,42,.12);
  --shadow-lg:     0 20px 60px rgba(15,23,42,.16);
  --transition:    .3s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--dark); background: var(--white); line-height: 1.6; overflow-x: hidden; }
img  { max-width: 100%; display: block; }
a    { text-decoration: none; color: inherit; }
ul   { list-style: none; }

/* ─── CONTAINER ─── */
.container { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 20px; }

/* ─── SECTION ─── */
.section       { padding: 96px 0; }
.section-alt   { background: var(--gray-100); }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 64px; }
.section-header h2 { font-size: clamp(1.75rem,4vw,2.5rem); font-weight: 800; line-height: 1.2; margin-bottom: 16px; }
.section-header p  { font-size: 1.0625rem; color: var(--gray-600); }

.section-label {
  display: inline-block;
  font-size: .75rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--primary); background: var(--primary-light);
  padding: 5px 14px; border-radius: 100px; margin-bottom: 14px;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font); font-weight: 700; font-size: .9375rem;
  border: none; cursor: pointer; border-radius: 100px;
  padding: 14px 28px; transition: var(--transition); white-space: nowrap;
}
.btn-lg { padding: 17px 36px; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; }

.btn-primary { background: var(--primary); color: var(--white); box-shadow: 0 4px 20px rgba(37,99,235,.35); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(37,99,235,.45); }

.btn-whatsapp { background: var(--whatsapp); color: var(--white); box-shadow: 0 4px 20px rgba(37,211,102,.35); }
.btn-whatsapp:hover { background: #1da851; transform: translateY(-2px); }

.btn-white { background: var(--white); color: var(--primary); box-shadow: 0 4px 20px rgba(0,0,0,.15); }
.btn-white:hover { background: var(--primary-light); transform: translateY(-2px); }

.btn-outline-white { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,.6); }
.btn-outline-white:hover { background: rgba(255,255,255,.1); border-color: var(--white); transform: translateY(-2px); }

/* ─── IMAGE PLACEHOLDERS ─── */
.img-ph {
  background: linear-gradient(135deg,#e0f0ff,#c7dcf5);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; width: 100%;
  border: 2px dashed rgba(37,99,235,.2);
}
.img-ph-hero { min-height: 480px; }
.img-ph-gallery { min-height: 220px; }

.img-ph-inner {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  padding: 32px 20px; text-align: center; color: var(--primary);
}
.img-ph-inner svg { opacity: .5; }
.img-ph-inner strong { font-size: .9375rem; font-weight: 700; }
.img-ph-inner span  { font-size: .8125rem; color: var(--gray-600); }
.img-ph-inner em    { font-size: .75rem; color: var(--primary); font-style: normal;
                       background: var(--primary-light); padding: 3px 10px; border-radius: 100px; }

/* ─── NAVBAR ─── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0; transition: var(--transition);
  background: transparent;
}
.navbar.scrolled {
  background: rgba(255,255,255,.97); backdrop-filter: blur(16px);
  box-shadow: 0 1px 20px rgba(0,0,0,.08); padding: 10px 0;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }

.logo { display: flex; align-items: center; gap: 12px; color: var(--white); }
.navbar.scrolled .logo { color: var(--dark); }
.logo-icon { font-size: 1.75rem; }
.logo-name { display: block; font-size: 1.0625rem; font-weight: 800; line-height: 1.2; }
.logo-tag  { display: block; font-size: .6875rem; font-weight: 500; opacity: .7; }

.nav-links { display: none; align-items: center; gap: 28px; }
.nav-links a { font-size: .9rem; font-weight: 600; color: rgba(255,255,255,.85); transition: color var(--transition); }
.navbar.scrolled .nav-links a { color: var(--gray-700); }
.nav-links a:hover { color: var(--white); }
.navbar.scrolled .nav-links a:hover { color: var(--primary); }

.nav-right { display: none; align-items: center; gap: 16px; }
.nav-phone { font-size: .875rem; font-weight: 600; color: rgba(255,255,255,.9); }
.navbar.scrolled .nav-phone { color: var(--gray-700); }

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

.mobile-menu {
  display: none; flex-direction: column; gap: 0;
  position: fixed; inset: 0; background: var(--white); z-index: 999;
  padding: 88px 24px 32px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 1.125rem; font-weight: 700; color: var(--dark);
  padding: 16px 0; border-bottom: 1px solid var(--gray-200);
}
.mobile-menu a:hover { color: var(--primary); }
.mobile-menu .btn { margin-top: 20px; justify-content: center; }

@media(min-width: 768px) {
  .nav-links  { display: flex; }
  .nav-right  { display: flex; }
  .nav-toggle { display: none; }
}

/* ─── HERO ─── */
.hero {
  background: linear-gradient(135deg, #1A3A8F 0%, #1D6FE8 50%, #06B6D4 100%);
  padding: 130px 0 60px; position: relative; overflow: hidden; min-height: 100vh;
  display: flex; align-items: center;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 80% 40%, rgba(6,182,212,.25) 0%, transparent 60%);
  pointer-events: none;
}
.hero-inner {
  display: grid; gap: 56px; align-items: center; position: relative; z-index: 1;
}
@media(min-width: 1024px) { .hero-inner { grid-template-columns: 1fr 1fr; } }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2);
  border-radius: 100px; padding: 7px 18px;
  font-size: .8125rem; font-weight: 600; color: rgba(255,255,255,.9);
  margin-bottom: 20px;
}
.badge-dot { width: 8px; height: 8px; background: #4ADE80; border-radius: 50%; animation: blink 2s infinite; }
@keyframes blink { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.3)} }

.hero h1 {
  font-size: clamp(2.25rem, 5.5vw, 3.5rem); font-weight: 900; line-height: 1.1;
  color: var(--white); margin-bottom: 24px;
}
.text-accent { color: #A5F3FC; }
.hero-sub { font-size: 1.0625rem; color: rgba(255,255,255,.8); max-width: 500px; margin-bottom: 36px; line-height: 1.7; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 40px; }

.hero-trust { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.trust-item { display: flex; flex-direction: column; }
.trust-num  { font-size: 1.5rem; font-weight: 900; color: var(--white); line-height: 1; }
.trust-label{ font-size: .75rem; color: rgba(255,255,255,.7); font-weight: 500; margin-top: 2px; }
.trust-sep  { width: 1px; height: 40px; background: rgba(255,255,255,.2); }

.hero-image { position: relative; }
.hero-card {
  position: absolute; background: var(--white);
  border-radius: var(--radius); padding: 12px 18px;
  display: flex; align-items: center; gap: 12px;
  box-shadow: var(--shadow-md); min-width: 200px;
}
.hero-card strong { display: block; font-size: .875rem; font-weight: 700; color: var(--dark); }
.hero-card small  { font-size: .75rem; color: var(--gray-600); }
.card-emoji { font-size: 1.5rem; }
.card-1 { bottom: 40px; left: -20px; animation: float1 3s ease-in-out infinite; }
.card-2 { top: 40px;   right: -20px; animation: float2 3.5s ease-in-out infinite; }
@keyframes float1 { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }
@keyframes float2 { 0%,100%{transform:translateY(0)} 50%{transform:translateY(8px)} }

.wave-bottom { position: absolute; bottom: 0; left: 0; right: 0; line-height: 0; }
.wave-bottom svg { display: block; width: 100%; }

/* ─── TRUST BAR ─── */
.trust-bar { background: var(--white); padding: 28px 0; border-bottom: 1px solid var(--gray-200); }
.trust-bar-inner {
  display: flex; flex-wrap: wrap; gap: 20px 36px;
  justify-content: center; align-items: center;
}
.trust-badge-item {
  display: flex; align-items: center; gap: 10px;
  font-size: .875rem; font-weight: 600; color: var(--gray-700);
}
.tbadge-icon { font-size: 1.25rem; }

/* ─── SERVICES ─── */
.services-grid {
  display: grid; gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.service-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 32px 28px;
  border: 1px solid var(--gray-200); transition: var(--transition);
  display: flex; flex-direction: column; gap: 12px;
}
.service-card:hover { box-shadow: var(--shadow-md); transform: translateY(-6px); border-color: var(--primary-mid); }
.service-icon { width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center; font-size: 1.625rem; margin-bottom: 4px; }
.service-card h3 { font-size: 1.125rem; font-weight: 700; }
.service-card p  { font-size: .9rem; color: var(--gray-600); line-height: 1.65; flex: 1; }
.service-price { display: inline-block; font-size: .875rem; font-weight: 700; color: var(--primary); background: var(--primary-light); padding: 4px 12px; border-radius: 100px; align-self: flex-start; }

/* ─── SPLIT LAYOUT ─── */
.split-layout { display: grid; gap: 64px; align-items: center; }
@media(min-width: 1024px) { .split-layout { grid-template-columns: 1fr 1fr; } }

.split-image { position: relative; }
.stat-card {
  position: absolute; bottom: 28px; right: -16px;
  background: var(--primary); color: var(--white);
  border-radius: var(--radius); padding: 20px 28px; text-align: center;
  box-shadow: var(--shadow-md);
}
.stat-num   { font-size: 2rem; font-weight: 900; line-height: 1; }
.stat-label { font-size: .8rem; font-weight: 500; opacity: .85; margin-top: 4px; }

.split-copy { }
.split-intro { font-size: 1.0625rem; color: var(--gray-600); margin: 16px 0 32px; line-height: 1.7; }

.benefits-list { display: flex; flex-direction: column; gap: 24px; margin-bottom: 36px; }
.benefits-list li { display: flex; gap: 16px; align-items: flex-start; }
.benefit-icon { width: 44px; height: 44px; background: var(--primary-light); border-radius: 12px; display: grid; place-items: center; font-size: 1.25rem; flex-shrink: 0; }
.benefits-list strong { display: block; font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.benefits-list p      { font-size: .9rem; color: var(--gray-600); line-height: 1.6; margin: 0; }

/* ─── STEPS ─── */
.steps-grid {
  display: grid; gap: 16px; align-items: center;
  grid-template-columns: 1fr;
}
@media(min-width: 768px) {
  .steps-grid { grid-template-columns: 1fr auto 1fr auto 1fr; }
}
.step-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 36px 28px;
  text-align: center; border: 1px solid var(--gray-200);
  transition: var(--transition); position: relative;
}
.step-card:hover { box-shadow: var(--shadow-md); transform: translateY(-6px); border-color: var(--primary-mid); }
.step-num { font-size: .75rem; font-weight: 800; letter-spacing: .1em; color: var(--primary); margin-bottom: 16px; text-transform: uppercase; }
.step-icon { font-size: 2.5rem; margin-bottom: 16px; }
.step-card h3 { font-size: 1.0625rem; font-weight: 700; margin-bottom: 12px; }
.step-card p  { font-size: .9rem; color: var(--gray-600); line-height: 1.65; }
.step-connector { font-size: 2rem; color: var(--primary-mid); display: flex; align-items: center; justify-content: center; padding: 0 8px; }
@media(max-width: 767px) { .step-connector { transform: rotate(90deg); } }

/* ─── GALLERY ─── */
.gallery-section { }
.gallery-grid {
  display: grid; gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.gallery-item { border-radius: var(--radius-lg); overflow: hidden; position: relative; transition: var(--transition); }
.gallery-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.gallery-label {
  text-align: center; padding: 12px; font-size: .875rem; font-weight: 600;
  color: var(--gray-700); background: var(--white); border: 1px solid var(--gray-200);
  border-top: none; border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ─── TESTIMONIALS ─── */
.rating-bar { display: flex; align-items: center; gap: 10px; justify-content: center; margin-top: 16px; flex-wrap: wrap; }
.rating-bar .stars { font-size: 1.125rem; }
.rating-bar strong { font-size: 1.125rem; font-weight: 800; color: var(--dark); }
.rating-bar span   { font-size: .875rem; color: var(--gray-500); }

.testimonials-grid { display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); }
.testimonial-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 32px 28px;
  border: 1px solid var(--gray-200); transition: var(--transition);
}
.testimonial-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.test-stars { font-size: 1rem; letter-spacing: 2px; margin-bottom: 16px; }
.testimonial-card blockquote { font-size: .9375rem; color: var(--gray-700); line-height: 1.75; font-style: italic; margin-bottom: 24px; quotes: none; }
.test-author { display: flex; align-items: center; gap: 14px; }
.test-avatar { width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; font-size: .875rem; font-weight: 700; color: var(--white); flex-shrink: 0; }
.test-author strong { display: block; font-size: .9375rem; font-weight: 700; }
.test-author span   { font-size: .8125rem; color: var(--gray-500); }

/* ─── CTA SECTION ─── */
.cta-section {
  background: linear-gradient(135deg, #1A3A8F 0%, #1D6FE8 60%, #06B6D4 100%);
  padding: 96px 0; text-align: center; position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; top: -50%; left: -20%;
  width: 600px; height: 600px; background: rgba(255,255,255,.05);
  border-radius: 50%; pointer-events: none;
}
.cta-inner { position: relative; z-index: 1; }
.cta-inner h2 { font-size: clamp(1.75rem,4vw,2.5rem); font-weight: 900; color: var(--white); margin: 12px 0 20px; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-inner p  { font-size: 1.0625rem; color: rgba(255,255,255,.8); margin-bottom: 36px; max-width: 520px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 24px; }
.cta-note { font-size: .875rem; color: rgba(255,255,255,.65); }

/* ─── CONTACT ─── */
.contact-section { background: var(--gray-100); }
.contact-grid { display: grid; gap: 56px; }
@media(min-width: 1024px) { .contact-grid { grid-template-columns: 1fr 1.2fr; } }

.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; }
.ci-icon { font-size: 1.375rem; width: 44px; height: 44px; background: var(--primary-light); border-radius: 12px; display: grid; place-items: center; flex-shrink: 0; }
.contact-item strong { display: block; font-size: .875rem; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.contact-item span, .contact-item a { font-size: .9375rem; color: var(--gray-600); }
.contact-item a:hover { color: var(--primary); }

.map-ph {
  background: linear-gradient(135deg,#dbeafe,#bfdbfe); border-radius: var(--radius-lg);
  min-height: 200px; display: flex; align-items: center; justify-content: center;
  border: 2px dashed rgba(37,99,235,.2); margin-top: 8px;
}
.map-inner { text-align: center; color: var(--primary); padding: 24px; }
.map-inner span { font-size: 2rem; display: block; margin-bottom: 10px; }
.map-inner strong { display: block; font-weight: 700; margin-bottom: 6px; }
.map-inner small { font-size: .8125rem; color: var(--gray-600); }

.contact-form { background: var(--white); border-radius: var(--radius-lg); padding: 40px 36px; box-shadow: var(--shadow); }
.contact-form h3 { font-size: 1.375rem; font-weight: 800; margin-bottom: 28px; }
.form-row { display: grid; gap: 16px; }
@media(min-width: 640px) { .form-row { grid-template-columns: 1fr 1fr; } }

.form-group { display: flex; flex-direction: column; gap: 7px; margin-bottom: 16px; }
.form-group label { font-size: .875rem; font-weight: 600; color: var(--gray-700); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 12px 16px; border-radius: var(--radius);
  border: 1.5px solid var(--gray-200); font-family: var(--font); font-size: .9375rem;
  color: var(--dark); background: var(--white); transition: border-color var(--transition);
  outline: none; resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.1); }

.form-note { margin-top: 12px; font-size: .8125rem; color: var(--gray-500); text-align: center; }

/* ─── FOOTER ─── */
.footer { background: var(--dark); padding: 72px 0 0; color: rgba(255,255,255,.6); }
.footer-inner { display: grid; gap: 40px; padding-bottom: 56px; }
@media(min-width:640px)  { .footer-inner { grid-template-columns: repeat(2,1fr); } }
@media(min-width:1024px) { .footer-inner { grid-template-columns: 2fr 1fr 1fr 1.5fr; } }

.footer .logo { color: var(--white); }
.footer-brand p { font-size: .9rem; line-height: 1.7; margin-top: 16px; max-width: 280px; }
.footer-social { display: flex; gap: 16px; margin-top: 20px; font-size: 1.375rem; }
.footer-social a { transition: transform var(--transition); }
.footer-social a:hover { transform: scale(1.2); }

.footer-nav { display: flex; flex-direction: column; }
.footer-nav h4 { font-size: .8125rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--white); margin-bottom: 18px; }
.footer-nav a { font-size: .9rem; color: rgba(255,255,255,.55); margin-bottom: 10px; transition: color var(--transition); }
.footer-nav a:hover { color: var(--white); }

.footer-contact-col h4 { font-size: .8125rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--white); margin-bottom: 18px; }
.footer-contact-col p { font-size: .9rem; margin-bottom: 10px; }
.footer-contact-col a { color: rgba(255,255,255,.65); transition: color var(--transition); }
.footer-contact-col a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08); padding: 24px 0;
  font-size: .8125rem;
}
.footer-bottom .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; }
.footer-bottom a:hover { color: var(--primary-light); }

/* ─── WHATSAPP FLOAT ─── */
.whatsapp-float {
  position: fixed; bottom: 28px; right: 28px; z-index: 9999;
  display: flex; align-items: center; gap: 10px;
  background: var(--whatsapp); color: var(--white);
  padding: 14px 22px; border-radius: 100px; font-weight: 700; font-size: .9375rem;
  box-shadow: 0 4px 24px rgba(37,211,102,.45); transition: var(--transition);
}
.whatsapp-float:hover { background: #1da851; transform: translateY(-3px); box-shadow: 0 8px 32px rgba(37,211,102,.55); }
.whatsapp-float span { display: none; }
@media(min-width: 640px) { .whatsapp-float span { display: inline; } }

/* ─── SCROLL ANIMATIONS ─── */
.fade-up    { opacity: 0; transform: translateY(32px); transition: opacity .6s ease, transform .6s ease; }
.fade-left  { opacity: 0; transform: translateX(-32px); transition: opacity .6s ease, transform .6s ease; }
.fade-right { opacity: 0; transform: translateX(32px); transition: opacity .6s ease, transform .6s ease; }
.fade-up.visible, .fade-left.visible, .fade-right.visible { opacity: 1; transform: none; }