/* ================================================
   DR. CELULA TRONCO - Design System
   Instituto de Medicina Regenerativa
   ================================================ */

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

:root {
  /* Brand Colors */
  --blue-primary: #1e73be;
  --blue-dark: #185c98;
  --blue-deeper: #0b2641;
  --blue-light: #e8f1fa;
  --navy: #0a1628;
  --dark: #15151f;
  --dark-surface: #1a1a2e;
  --accent: #00b4d8;
  --gray-900: #1a1a1a;
  --gray-700: #333333;
  --gray-500: #4d4d4d;
  --gray-400: #6b7280;
  --gray-300: #9ca3af;
  --gray-200: #d1d5db;
  --gray-100: #f0f0f0;
  --gray-50: #f5f7fa;
  --white: #ffffff;
  --lime: #c8e64c;

  /* Typography */
  --font-heading: 'Inter Tight', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --section-pad: 120px;
  --section-pad-mobile: 60px;
  --container-max: 1240px;
  --container-large: 1400px;
  --gap-xs: 8px;
  --gap-sm: 16px;
  --gap-md: 24px;
  --gap-lg: 40px;
  --gap-xl: 64px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 50%;

  /* Transitions */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration: 0.4s;
  --duration-fast: 0.25s;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--gray-700);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.15;
  color: var(--dark);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h5 { font-size: 1.125rem; }
h6 { font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.05em; }

p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--gray-500);
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-pad) 0;
}

/* ---------- Tag / Label ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--blue-primary);
}

.tag::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--blue-primary);
  border-radius: var(--radius-full);
  display: inline-block;
}

.tag--white {
  background: linear-gradient(90deg, #3b5688, #6b8fd4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tag--white::before {
  background: linear-gradient(135deg, #3b5688, #6b8fd4);
}

/* ---------- Section Header ---------- */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--gap-xl);
}

.section-header .tag {
  margin-bottom: var(--gap-sm);
}

.section-header h2 {
  margin-bottom: var(--gap-sm);
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--gray-400);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--duration) var(--ease);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary {
  background: linear-gradient(135deg, #5ba3e6, #3b5688);
  color: var(--white);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #6bb3f0, #4a6798);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 86, 136, 0.35);
}

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

.btn-white:hover {
  background: var(--gray-100);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--dark);
  border-color: var(--white);
}

.btn-lime {
  background: linear-gradient(135deg, #5ba3e6, #3b5688);
  color: var(--white);
  font-weight: 600;
}

.btn-lime:hover {
  background: linear-gradient(135deg, #6bb3f0, #4a6798);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 86, 136, 0.35);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #6bb3f0, #5ba3e6);
  color: var(--white);
}

.btn-whatsapp:hover {
  background: linear-gradient(135deg, #7bc3ff, #6bb3f0);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(91, 163, 230, 0.35);
}

.btn .arrow {
  width: 14px;
  height: 11px;
  transition: transform var(--duration-fast) var(--ease);
}

.btn:hover .arrow {
  transform: translateX(4px);
}


/* ==========================================================
   NAVBAR
   ========================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 18px 0;
  background: rgba(10, 22, 40, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: all var(--duration) var(--ease);
}

.navbar.scrolled {
  background: rgba(10, 22, 40, 0.95);
  padding: 10px 0;
  box-shadow: 0 4px 30px rgba(0,0,0,0.15);
}

.nav-container {
  width: 100%;
  max-width: var(--container-large);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.navbar-logo {
  display: flex;
  align-items: center;
}

.navbar-logo img {
  height: 36px;
  width: auto;
}

.nav-center {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  color: rgba(255,255,255,0.55);
  font-size: 0.9375rem;
  font-weight: 400;
  transition: color var(--duration-fast) var(--ease);
}

.nav-link:hover,
.nav-link.active {
  color: var(--white);
}

.nav-divider {
  width: 1px;
  height: 14px;
  background: rgba(255,255,255,0.12);
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-chevron {
  transition: transform var(--duration-fast) var(--ease);
}

.nav-dropdown:hover .nav-chevron {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 220px;
  background: rgba(10, 22, 40, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-fast) var(--ease);
  z-index: 100;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-link {
  display: block;
  padding: 10px 16px;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease);
}

.dropdown-link:hover {
  color: var(--white);
  background: rgba(59, 86, 136, 0.25);
}

.nav-right .btn-nav {
  padding: 10px 22px;
  font-size: 0.875rem;
}

/* Hamburger */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}

.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--duration-fast) var(--ease);
}

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

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

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

.mobile-menu-header {
  display: none;
}


/* ==========================================================
   HERO
   ========================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: #06101f;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  object-fit: cover;
  opacity: 0.4;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(6, 16, 31, 0.45);
  z-index: 1;
}

.hero-light {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  z-index: 2;
  pointer-events: none;
}

.hero-light--1 {
  width: 700px;
  height: 700px;
  top: -10%;
  left: -5%;
  background: rgba(59, 86, 136, 0.5);
  animation: lightFloat1 20s ease-in-out infinite;
}

.hero-light--2 {
  width: 500px;
  height: 500px;
  top: 50%;
  right: -5%;
  background: rgba(107, 143, 212, 0.4);
  animation: lightFloat2 25s ease-in-out infinite;
}

.hero-light--3 {
  width: 400px;
  height: 400px;
  bottom: -5%;
  left: 40%;
  background: rgba(59, 86, 136, 0.35);
  animation: lightFloat3 22s ease-in-out infinite;
}

@keyframes lightFloat1 {
  0% { transform: translate(0, 0); }
  25% { transform: translate(150px, 80px); }
  50% { transform: translate(100px, 200px); }
  75% { transform: translate(-50px, 120px); }
  100% { transform: translate(0, 0); }
}

@keyframes lightFloat2 {
  0% { transform: translate(0, 0); }
  25% { transform: translate(-120px, -100px); }
  50% { transform: translate(-200px, 50px); }
  75% { transform: translate(-80px, -60px); }
  100% { transform: translate(0, 0); }
}

@keyframes lightFloat3 {
  0% { transform: translate(0, 0); }
  25% { transform: translate(100px, -80px); }
  50% { transform: translate(-60px, -150px); }
  75% { transform: translate(80px, -50px); }
  100% { transform: translate(0, 0); }
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 160px 0 100px;
}

.hero-content .container {
  max-width: var(--container-large);
}

/* --- Hero grid layout --- */
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-xl);
  align-items: center;
}

/* --- Hero top text --- */
.hero-top {
  max-width: none;
}

.hero-top .tag {
  margin-bottom: var(--gap-md);
}

.hero-top h1 {
  color: var(--white);
  margin-bottom: var(--gap-md);
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: 1.125rem;
  line-height: 1.75;
  color: rgba(255,255,255,0.55);
  margin-bottom: var(--gap-lg);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  flex-wrap: wrap;
}

/* --- Country cards grid --- */
.hero-countries {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.country-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  transition: all var(--duration) var(--ease);
  cursor: default;
}

.country-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(0, 180, 216, 0.3);
  transform: translateY(-2px);
}

img.country-flag {
  width: 24px;
  height: auto;
  border-radius: 2px;
  object-fit: cover;
}

.country-name {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.01em;
}

/* Countries column */
.hero-countries-col {
  display: flex;
  flex-direction: column;
  gap: var(--gap-md);
}

.hero-countries-group {
  margin-bottom: 0;
}

.countries-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.35);
  margin-bottom: var(--gap-sm);
}



/* ==========================================================
   ABOUT CARDS (O que e Celula Tronco)
   ========================================================== */
.about-cards-section {
  background: var(--gray-50);
}

.about-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-md);
}

.about-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: var(--gap-lg);
  border: 1px solid var(--gray-200);
  transition: all var(--duration) var(--ease);
}

.about-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
  border-color: var(--blue-primary);
}

.about-card-icon {
  width: 56px;
  height: 56px;
  margin-bottom: var(--gap-md);
  color: var(--accent);
}

.about-card-icon svg {
  width: 100%;
  height: 100%;
}

.about-card-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--blue-primary);
  opacity: 0.1;
  line-height: 1;
  position: absolute;
  top: var(--gap-md);
  right: var(--gap-md);
}

.about-card {
  position: relative;
}

.about-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--gap-xs);
}

.about-card p {
  font-size: 0.9375rem;
  line-height: 1.7;
}


/* ==========================================================
   BIO SECTION (Sobre o Instituto)
   ========================================================== */
.bio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-xl);
  align-items: center;
}

.bio-image-placeholder {
  width: 100%;
  aspect-ratio: 4 / 5;
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue-deeper) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--gap-sm);
}

.bio-image-placeholder svg {
  width: 80px;
  height: 80px;
  opacity: 0.4;
}

.bio-image-placeholder span {
  color: rgba(255,255,255,0.3);
  font-size: 0.875rem;
}

.bio-content .tag {
  margin-bottom: var(--gap-sm);
}

.bio-content h2 {
  margin-bottom: var(--gap-md);
}

.bio-content p {
  margin-bottom: var(--gap-sm);
}

.bio-quote {
  margin: var(--gap-lg) 0;
  padding-left: var(--gap-md);
  border-left: 3px solid var(--accent);
  font-style: italic;
  font-size: 1.0625rem;
  color: var(--gray-700);
  line-height: 1.7;
}


/* ==========================================================
   TREATMENTS
   ========================================================== */
.treatments-section {
  background: var(--white);
}

.treatments-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap-md);
}

.treatment-card {
  background: var(--gray-50);
  border-radius: var(--radius-md);
  padding: var(--gap-lg);
  border: 1px solid transparent;
  transition: all var(--duration) var(--ease);
}

.treatment-card:hover {
  background: var(--white);
  border-color: var(--blue-primary);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

.treatment-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--gap-md);
  color: var(--blue-primary);
}

.treatment-icon svg {
  width: 100%;
  height: 100%;
}

.treatment-card h3 {
  font-size: 1.125rem;
  margin-bottom: var(--gap-xs);
}

.treatment-card p {
  font-size: 0.9375rem;
  line-height: 1.7;
}

.treatment-tag {
  display: inline-block;
  margin-top: var(--gap-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--blue-primary);
  background: rgba(30, 115, 190, 0.08);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}


/* ==========================================================
   COUNTERS
   ========================================================== */
.counters-section {
  background: var(--navy);
  padding: 80px 0;
}

.counters-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap-md);
  text-align: center;
}

.counter-item {
  padding: var(--gap-md);
}

.counter-number {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}

.counter-suffix {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.counter-label {
  display: block;
  margin-top: var(--gap-xs);
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}


/* ==========================================================
   PROCESS STEPS (Como Funciona)
   ========================================================== */
.process-section {
  background: var(--gray-50);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap-md);
}

.process-step {
  text-align: center;
  position: relative;
  padding: var(--gap-lg) var(--gap-md);
}

.process-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--blue-primary);
  opacity: 0.15;
  line-height: 1;
  margin-bottom: var(--gap-sm);
}

.process-line {
  width: 40px;
  height: 3px;
  background: var(--accent);
  margin: 0 auto var(--gap-md);
  border-radius: 2px;
}

.process-step h3 {
  font-size: 1.125rem;
  margin-bottom: var(--gap-xs);
}

.process-step p {
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* Connecting line between steps (desktop) */
.process-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 30px;
  right: -12px;
  width: calc(var(--gap-md));
  height: 2px;
  background: var(--gray-200);
}


/* ==========================================================
   CTA SECTION
   ========================================================== */
.cta-section {
  position: relative;
  padding: var(--section-pad) 0;
  background: #06101f;
  overflow: hidden;
}

.cta-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  object-fit: cover;
  opacity: 0.3;
}

.cta-overlay {
  display: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-content h2 {
  color: var(--white);
  margin-bottom: var(--gap-md);
}

.cta-content p {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: var(--gap-lg);
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--gap-sm);
  flex-wrap: wrap;
}


/* ==========================================================
   FOOTER
   ========================================================== */
.footer {
  background: var(--navy);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--gap-xl);
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
  display: inline-block;
  margin-bottom: var(--gap-sm);
}

.footer-logo img {
  height: 32px;
  width: auto;
}

.footer-about p {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  margin-bottom: var(--gap-md);
}

.footer-social {
  display: flex;
  gap: var(--gap-sm);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.5);
  transition: all var(--duration-fast) var(--ease);
}

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

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

.footer-col h4 {
  color: var(--white);
  font-size: 0.9375rem;
  margin-bottom: var(--gap-md);
}

.footer-col ul li {
  margin-bottom: var(--gap-xs);
}

.footer-col ul a {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.45);
  transition: color var(--duration-fast) var(--ease);
}

.footer-col ul a:hover {
  color: var(--white);
}

.footer-newsletter p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.45);
  margin-bottom: var(--gap-sm);
}

.newsletter-form {
  display: flex;
  gap: 8px;
}

.newsletter-form input {
  flex: 1;
  padding: 10px 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-size: 0.875rem;
  font-family: var(--font-body);
  outline: none;
  transition: border-color var(--duration-fast) var(--ease);
}

.newsletter-form input::placeholder {
  color: rgba(255,255,255,0.3);
}

.newsletter-form input:focus {
  border-color: var(--blue-primary);
}

.newsletter-form .btn {
  padding: 10px 14px;
  min-width: unset;
}

.footer-bottom {
  padding: 30px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.35);
}

.footer-disclaimer {
  margin-top: var(--gap-xs);
  font-size: 0.75rem !important;
  color: rgba(255,255,255,0.2) !important;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}


/* ==========================================================
   WHATSAPP FLOAT
   ========================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 60px;
  height: 60px;
  background: #25d366;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
  z-index: 999;
  opacity: 0;
  transform: scale(0.8) translateY(20px);
  pointer-events: none;
  transition: all var(--duration) var(--ease);
}

.whatsapp-float.visible {
  opacity: 1;
  transform: scale(1) translateY(0);
  pointer-events: all;
}

.whatsapp-float:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}


/* ==========================================================
   SCROLL REVEAL
   ========================================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

/* Staggered reveals for grids */
.about-cards-grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.about-cards-grid .reveal:nth-child(3) { transition-delay: 0.2s; }

.treatments-grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.treatments-grid .reveal:nth-child(3) { transition-delay: 0.2s; }
.treatments-grid .reveal:nth-child(4) { transition-delay: 0.3s; }

.process-grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.process-grid .reveal:nth-child(3) { transition-delay: 0.2s; }
.process-grid .reveal:nth-child(4) { transition-delay: 0.3s; }

.counters-grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.counters-grid .reveal:nth-child(3) { transition-delay: 0.2s; }
.counters-grid .reveal:nth-child(4) { transition-delay: 0.3s; }


/* ==========================================================
   INTERNAL PAGES
   ========================================================== */
.page-hero {
  background: linear-gradient(135deg, #06101f 0%, #0e1e38 100%);
  padding: 140px 0 60px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 500px 500px at 20% 50%, rgba(59, 86, 136, 0.2) 0%, transparent 70%),
    radial-gradient(ellipse 400px 400px at 80% 50%, rgba(107, 143, 212, 0.1) 0%, transparent 70%);
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.page-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.4);
  margin-bottom: var(--gap-md);
}

.page-hero .breadcrumb a {
  color: rgba(255,255,255,0.4);
  transition: color 0.25s ease;
}

.page-hero .breadcrumb a:hover {
  color: var(--white);
}

.page-hero .breadcrumb .sep {
  color: rgba(255,255,255,0.2);
}

.page-hero h1 {
  color: var(--white);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
}

.page-hero p {
  color: rgba(255,255,255,0.55);
  font-size: 1.125rem;
  margin-top: var(--gap-sm);
  max-width: 600px;
}

.page-content {
  padding: var(--section-pad) 0;
}

.page-content h2 {
  margin-bottom: var(--gap-md);
}

.page-content p {
  margin-bottom: var(--gap-sm);
}

.page-content .content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-xl);
  align-items: start;
}

.page-content .content-block {
  margin-bottom: var(--gap-xl);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-md);
}

.team-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: var(--gap-lg);
  text-align: center;
  transition: all 0.4s ease;
}

.team-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
  border-color: var(--blue-primary);
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b5688, #6b8fd4);
  margin: 0 auto var(--gap-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
}

.team-card h3 {
  font-size: 1.125rem;
  margin-bottom: 4px;
}

.team-card .team-role {
  font-size: 0.875rem;
  color: var(--blue-primary);
  font-weight: 500;
}

.team-card p {
  font-size: 0.875rem;
  margin-top: var(--gap-xs);
}

.course-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: var(--gap-lg);
  transition: all 0.4s ease;
}

.course-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
  border-color: var(--blue-primary);
}

.course-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--gap-xs);
}

.course-card .course-meta {
  display: flex;
  gap: var(--gap-sm);
  margin: var(--gap-sm) 0;
  flex-wrap: wrap;
}

.course-meta-item {
  font-size: 0.8125rem;
  color: var(--gray-400);
  display: flex;
  align-items: center;
  gap: 4px;
}

.course-card .btn {
  margin-top: var(--gap-sm);
}

.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gray-200);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--gap-lg);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -33px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--blue-primary);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--blue-primary);
}

.timeline-item h3 {
  font-size: 1.125rem;
  margin-bottom: 4px;
}

.timeline-item .timeline-date {
  font-size: 0.8125rem;
  color: var(--blue-primary);
  font-weight: 600;
  margin-bottom: var(--gap-xs);
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-md);
}

.media-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.4s ease;
}

.media-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

.media-thumb {
  width: 100%;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--navy), var(--blue-deeper));
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.3);
  font-size: 0.875rem;
}

.media-card-body {
  padding: var(--gap-md);
}

.media-card-body h3 {
  font-size: 1rem;
  margin-bottom: var(--gap-xs);
}

.media-card-body p {
  font-size: 0.875rem;
}

.media-card-body .media-date {
  font-size: 0.75rem;
  color: var(--gray-400);
  margin-top: var(--gap-xs);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-xl);
}

.contact-info-item {
  display: flex;
  gap: var(--gap-sm);
  margin-bottom: var(--gap-md);
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(59, 86, 136, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-primary);
  flex-shrink: 0;
}

.contact-info-icon svg {
  width: 22px;
  height: 22px;
}

.contact-info-item h4 {
  font-size: 1rem;
  margin-bottom: 2px;
}

.contact-info-item p {
  font-size: 0.9375rem;
  margin: 0;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm);
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  padding: 14px 16px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--dark);
  outline: none;
  transition: border-color 0.25s ease;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  border-color: var(--blue-primary);
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

.contact-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-sm);
}

.pub-list {
  display: flex;
  flex-direction: column;
  gap: var(--gap-md);
}

.pub-item {
  padding: var(--gap-md);
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--blue-primary);
}

.pub-item h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.pub-item .pub-meta {
  font-size: 0.8125rem;
  color: var(--blue-primary);
  font-weight: 500;
}

.pub-item p {
  font-size: 0.9375rem;
  margin-top: var(--gap-xs);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap-md);
}

.calendar-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: var(--gap-lg);
  display: flex;
  gap: var(--gap-md);
  transition: all 0.4s ease;
}

.calendar-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
  border-color: var(--blue-primary);
}

.calendar-date {
  text-align: center;
  min-width: 60px;
}

.calendar-date .cal-month {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--blue-primary);
  letter-spacing: 0.05em;
}

.calendar-date .cal-day {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1;
}

.calendar-info h3 {
  font-size: 1.125rem;
  margin-bottom: 4px;
}

.calendar-info p {
  font-size: 0.875rem;
}

.calendar-info .calendar-tag {
  display: inline-block;
  margin-top: var(--gap-xs);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--blue-primary);
  background: rgba(30, 115, 190, 0.08);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}


/* ==========================================================
   RESPONSIVE — 1024px
   ========================================================== */
@media (max-width: 1024px) {
  :root {
    --section-pad: 80px;
  }

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

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

  .process-step:not(:last-child)::after {
    display: none;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--gap-lg);
  }

  .bio-grid {
    gap: var(--gap-lg);
  }

}


/* ==========================================================
   RESPONSIVE — 768px
   ========================================================== */
@media (max-width: 768px) {
  :root {
    --section-pad: 60px;
  }

  /* Navbar mobile */
  .menu-toggle {
    display: flex;
    z-index: 1003;
  }

  .nav-center {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background: var(--navy);
    flex-direction: column;
    align-items: flex-start;
    padding: 90px 24px 24px;
    gap: 0;
    z-index: 1001;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration) var(--ease), visibility var(--duration) var(--ease);
  }

  .nav-center.open {
    opacity: 1;
    visibility: visible;
  }

  .mobile-menu-header {
    display: flex;
    align-items: center;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .mobile-logo {
    height: 28px;
    width: auto;
  }

  .nav-link {
    padding: 16px 0;
    font-size: 1.125rem;
    width: 100%;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.7);
  }

  .nav-link:hover,
  .nav-link.active {
    color: var(--white);
  }

  .nav-divider {
    display: none;
  }

  .nav-dropdown {
    width: 100%;
  }

  .nav-dropdown .nav-link {
    display: flex;
    justify-content: space-between;
  }

  /* Disable hover on mobile */
  .nav-dropdown:hover .dropdown-menu {
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(8px);
  }

  .dropdown-menu {
    position: static !important;
    transform: none !important;
    min-width: unset;
    background: rgba(255,255,255,0.04);
    backdrop-filter: none;
    border: none !important;
    border-radius: 0;
    padding: 0 0 0 20px;
    max-height: 0;
    overflow: hidden;
    opacity: 1 !important;
    visibility: visible !important;
    transition: max-height var(--duration) var(--ease);
  }

  .nav-dropdown.open .dropdown-menu {
    max-height: 400px;
  }

  .nav-dropdown.open .nav-chevron {
    transform: rotate(180deg);
  }

  .dropdown-link {
    padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    font-size: 1rem;
    color: rgba(255,255,255,0.45);
    display: block;
    background: none !important;
    border-radius: 0 !important;
  }

  .dropdown-link:last-child {
    border-bottom: none;
  }

  .dropdown-link:hover {
    color: var(--white);
    background: none !important;
  }

  .nav-right .btn-nav {
    display: none;
  }

  /* Hero */
  .hero {
    min-height: auto;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--gap-lg);
  }

  .hero-content {
    padding: 120px 0 60px;
  }

  .hero-top h1 br {
    display: none;
  }

  .hero-countries {
    gap: 8px;
  }

  .country-card {
    padding: 10px 14px;
  }

  img.country-flag {
    width: 20px;
  }

  .country-name {
    font-size: 0.8125rem;
  }

  /* Grids to single column */
  .about-cards-grid {
    grid-template-columns: 1fr;
  }

  .bio-grid {
    grid-template-columns: 1fr;
    gap: var(--gap-lg);
  }

  .bio-image {
    order: -1;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--gap-lg);
  }

  .cta-content h2 br {
    display: none;
  }

  .page-hero {
    padding: 120px 0 40px;
  }

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

  .team-grid,
  .media-grid {
    grid-template-columns: 1fr;
  }

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

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


/* ==========================================================
   RESPONSIVE — 480px
   ========================================================== */
@media (max-width: 480px) {
  :root {
    --section-pad: 48px;
  }

  .container {
    padding: 0 16px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .counters-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--gap-sm);
  }

  .counter-item {
    padding: var(--gap-sm);
  }

  .cta-actions {
    flex-direction: column;
  }

  .cta-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .about-card {
    padding: var(--gap-md);
  }

  .treatment-card {
    padding: var(--gap-md);
  }

  .process-step {
    padding: var(--gap-md);
  }

  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 52px;
    height: 52px;
  }
}