/* ==========================================================================
   REGÉNÉRATE — CIENCIA MOLECULAR APLICADA
   Advanced Design System & Interactive Styling
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
  /* Brand Palette (Brandbook & Master Artboard) */
  --color-navy: #0D1F33;
  --color-navy-dark: #07121E;
  --color-steel: #7E99B6;
  --color-ice: #C1D2E2;
  --color-offwhite: #FBFAF5;
  --color-champagne: #BEB7A7;
  --color-champagne-light: rgba(190, 183, 167, 0.25);
  
  /* Protocol Distinct Accent Colors */
  --accent-purple: #9D4EDD;
  --accent-purple-glow: rgba(157, 78, 221, 0.35);
  --accent-pink: #E056FD;
  --accent-pink-glow: rgba(224, 86, 253, 0.35);
  --accent-blue: #00B4D8;
  --accent-blue-glow: rgba(0, 180, 216, 0.35);

  /* Functional */
  --whatsapp-green: #25D366;
  --whatsapp-glow: rgba(37, 211, 102, 0.4);

  /* Typography */
  --font-display: 'Syne', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Glassmorphism & Radii */
  --glass-bg: rgba(13, 31, 51, 0.65);
  --glass-border: rgba(193, 210, 226, 0.15);
  --glass-border-hover: rgba(193, 210, 226, 0.4);
  --glass-blur: 16px;
  --radius-stadium: 180px 180px 32px 32px;
  --radius-pill: 9999px;
  --radius-card: 28px;
  
  /* Transitions */
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  background-color: var(--color-navy);
  color: var(--color-offwhite);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-navy);
  color: var(--color-offwhite);
  line-height: 1.6;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  position: relative;
  min-height: 100vh;
}

/* --- Ambient Interactive Mouse Glow --- */
.ambient-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 650px;
  height: 650px;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(126, 153, 182, 0.12) 0%, rgba(13, 31, 51, 0) 70%);
  transform: translate(-50%, -50%);
  z-index: 0;
  transition: opacity 0.3s ease;
  will-change: transform;
}

/* Desktop Custom Cursor Follower */
@media (hover: hover) and (pointer: fine) {
  .cursor-follower {
    position: fixed;
    top: 0;
    left: 0;
    width: 24px;
    height: 24px;
    border: 1.5px solid var(--color-ice);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 9999;
    transition: width 0.25s var(--ease-spring), height 0.25s var(--ease-spring), border-color 0.25s ease, background 0.25s ease;
    mix-blend-mode: screen;
  }
  .cursor-follower.is-hovering {
    width: 48px;
    height: 48px;
    background: rgba(193, 210, 226, 0.15);
    border-color: var(--color-offwhite);
  }
}

/* --- Layout Container --- */
.container {
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

/* --- Section Headers & Kickers --- */
.section-kicker {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-champagne);
  margin-bottom: 0.9rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.8vw, 3.1rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.2;
  color: var(--color-offwhite);
  margin-bottom: 1.25rem;
}

.section-lead {
  font-size: clamp(1rem, 1.25vw, 1.15rem);
  color: var(--color-ice);
  max-width: 820px;
  margin: 0 auto 3rem;
  font-weight: 300;
  line-height: 1.7;
}

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

.text-gradient {
  background: linear-gradient(135deg, #FFFFFF 20%, var(--color-ice) 60%, var(--color-steel) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Section divider bars & 3-dots separator */
.section-divider-line {
  width: 100%;
  max-width: 680px;
  height: 4px;
  background-color: var(--color-champagne);
  margin: 4.5rem auto 2.5rem;
  border-radius: var(--radius-pill);
  opacity: 0.85;
}

.dots-separator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 2rem auto 4.5rem;
}

.dots-separator span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-offwhite);
  opacity: 0.85;
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.dots-separator span:hover {
  transform: scale(1.4);
  background-color: var(--color-champagne);
}

/* --- Buttons & Interactive Elements --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 2.2rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  text-decoration: none;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all 0.35s var(--ease-smooth);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background-color: var(--color-offwhite);
  color: var(--color-navy);
  box-shadow: 0 4px 20px rgba(251, 250, 245, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(251, 250, 245, 0.35);
  background-color: #FFFFFF;
}

.btn-secondary {
  background: transparent;
  color: var(--color-offwhite);
  border-color: rgba(251, 250, 245, 0.5);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(251, 250, 245, 0.1);
  border-color: var(--color-offwhite);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.7rem 1.4rem;
  font-size: 0.88rem;
}

.btn-lg {
  padding: 1.1rem 3rem;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
}

.btn-full {
  width: 100%;
}

.btn-glow {
  position: relative;
}

.btn-glow::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, rgba(251, 250, 245, 0.8), rgba(193, 210, 226, 0.8));
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
  filter: blur(8px);
}

.btn-glow:hover::after {
  opacity: 0.6;
}

.btn-arrow {
  transition: transform 0.3s ease;
}

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

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1.25rem 0;
  transition: all 0.35s ease;
}

.site-header.is-scrolled {
  padding: 0.8rem 0;
  background: rgba(13, 31, 51, 0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px rgba(7, 18, 30, 0.4);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 2rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-iso {
  transition: transform 0.3s ease;
}

.brand-link:hover .brand-iso {
  transform: scale(1.08) rotate(5deg);
}

.brand-logo {
  height: 18px;
  width: auto;
  opacity: 0.95;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.nav-item {
  color: var(--color-ice);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.25s ease;
  position: relative;
  padding: 0.3rem 0;
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-offwhite);
  transition: width 0.3s ease;
}

.nav-item:hover,
.nav-item.active {
  color: var(--color-offwhite);
}

.nav-item:hover::after,
.nav-item.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-outline-nav {
  padding: 0.55rem 1.4rem;
  font-size: 0.85rem;
  color: var(--color-offwhite);
  border: 1px solid rgba(251, 250, 245, 0.3);
  background: rgba(13, 31, 51, 0.4);
  border-radius: var(--radius-pill);
}

.btn-outline-nav:hover {
  border-color: var(--color-offwhite);
  background: rgba(251, 250, 245, 0.1);
}

.btn-primary-nav {
  padding: 0.55rem 1.4rem;
  font-size: 0.85rem;
  background-color: var(--color-offwhite);
  color: var(--color-navy);
  border-radius: var(--radius-pill);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn-primary-nav:hover {
  background-color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(251, 250, 245, 0.3);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 101;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-offwhite);
  transition: all 0.3s ease;
}

.mobile-toggle.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-toggle.is-active span:nth-child(2) {
  opacity: 0;
}
.mobile-toggle.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  inset: 0;
  background: rgba(7, 18, 30, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.mobile-drawer.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-link {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-offwhite);
  text-decoration: none;
  letter-spacing: 0.08em;
  transition: color 0.2s ease;
}

.mobile-link:hover {
  color: var(--color-champagne);
}

/* ==========================================================================
   1. HERO SECTION
   ========================================================================== */

/* Section overflow containment to prevent lateral drift */
.site-header,
.section-hero,
.section-identificas,
.section-science,
.section-catalog,
.section-faq,
.section-final-cta,
.site-footer {
  width: 100%;
  max-width: 100%;
  position: relative;
  overflow-x: clip;
}

.section-hero {
  min-height: 100vh;
  padding-top: 130px;
  padding-bottom: 4rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 75% 35%, rgba(126, 153, 182, 0.12) 0%, rgba(13, 31, 51, 0) 65%);
}

.hero-container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
}

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

.hero-kicker-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.kicker-pill {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--color-offwhite);
  background: rgba(193, 210, 226, 0.12);
  border: 1px solid rgba(193, 210, 226, 0.25);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
}

.hero-badge-presenter {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--color-champagne);
  font-weight: 500;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-champagne);
  box-shadow: 0 0 10px var(--color-champagne);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 0.5; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.2); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 3.8vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 0.01em;
  margin-bottom: 1.5rem;
}

.hero-subtitle-line {
  display: block;
  font-size: clamp(1.6rem, 2.8vw, 2.4rem);
  font-weight: 400;
  color: var(--color-ice);
  margin-top: 0.35rem;
}

.hero-description {
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  color: var(--color-ice);
  line-height: 1.7;
  max-width: 580px;
  margin-bottom: 2.2rem;
  font-weight: 300;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.hero-divider-bar {
  width: 100%;
  max-width: 540px;
  height: 3px;
  background-color: var(--color-champagne);
  border-radius: var(--radius-pill);
  opacity: 0.75;
  margin-bottom: 2rem;
}

/* 3D DNA Floating Showcase */
.hero-dna-showcase {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: rgba(13, 31, 51, 0.45);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  padding: 1rem 1.6rem;
  border-radius: 20px;
  max-width: 480px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  transform-style: preserve-3d;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.hero-dna-showcase:hover {
  border-color: var(--glass-border-hover);
  transform: translateY(-3px);
}

.dna-image-wrapper {
  position: relative;
  width: 75px;
  height: 75px;
  flex-shrink: 0;
}

.dna-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  animation: floatDNA 6s ease-in-out infinite alternate;
  filter: drop-shadow(0 6px 14px rgba(126, 153, 182, 0.4));
}

@keyframes floatDNA {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-6px) rotate(3deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

.dna-aura {
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(193, 210, 226, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.dna-badge-info {
  display: flex;
  flex-direction: column;
}

.dna-mini-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--color-champagne);
  font-weight: 700;
  text-transform: uppercase;
}

.dna-mini-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-offwhite);
}

/* Stadium Arch in Hero */
.hero-media-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.stadium-arch-container {
  position: relative;
  width: 100%;
  max-width: 480px;
}

.stadium-arch-glass {
  border-radius: var(--radius-stadium);
  padding: 12px;
  background: linear-gradient(180deg, rgba(193, 210, 226, 0.3) 0%, rgba(13, 31, 51, 0.2) 100%);
  border: 1.5px solid rgba(193, 210, 226, 0.25);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4), inset 0 1px 1px rgba(255, 255, 255, 0.2);
}

.stadium-arch-inner {
  border-radius: calc(180px - 10px) calc(180px - 10px) 24px 24px;
  overflow: hidden;
  position: relative;
  background: #091726;
  aspect-ratio: 5 / 7.5;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.hero-jar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
  transform: scale(1.02);
  transition: transform 0.6s var(--ease-spring);
}

.stadium-arch-container:hover .hero-jar-img {
  transform: scale(1.06);
}

.stadium-overlay-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 30%, rgba(255, 255, 255, 0.12) 0%, transparent 60%);
  pointer-events: none;
}

.hero-arch-ring {
  position: absolute;
  top: -20px;
  right: -20px;
  width: 120px;
  height: 120px;
  border: 1px dashed rgba(193, 210, 226, 0.25);
  border-radius: 50%;
  pointer-events: none;
  animation: rotateSlow 40s linear infinite;
}

@keyframes rotateSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Scroll Prompt Indicator */
.section-end-decor {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 2rem;
  z-index: 2;
}

.scroll-prompt {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-steel);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  transition: color 0.25s ease;
  margin-bottom: 1.5rem;
}

.scroll-prompt:hover {
  color: var(--color-offwhite);
}

.scroll-mouse {
  width: 20px;
  height: 32px;
  border: 1.5px solid var(--color-steel);
  border-radius: 12px;
  position: relative;
}

.scroll-wheel {
  position: absolute;
  top: 6px;
  left: 50%;
  width: 3px;
  height: 6px;
  background-color: var(--color-offwhite);
  border-radius: 2px;
  transform: translateX(-50%);
  animation: scrollBob 1.6s infinite ease-in-out;
}

@keyframes scrollBob {
  0% { transform: translate(-50%, 0); opacity: 1; }
  100% { transform: translate(-50%, 10px); opacity: 0; }
}

/* ==========================================================================
   2. ¿TE IDENTIFICAS? SECTION
   ========================================================================== */
.section-identificas {
  padding: 6rem 0 3rem;
  position: relative;
  overflow: hidden;
}

/* Parallax Leaves — Anchored flush to borders, enlarged with full rich opacity */
.leaf-decor {
  position: absolute;
  pointer-events: none;
  z-index: 0;
  opacity: 1;
}

.leaf-left {
  top: 10%;
  left: -85px;
  width: clamp(380px, 28vw, 480px);
}

.leaf-right {
  top: 25%;
  right: -70px;
  width: clamp(380px, 28vw, 480px);
}

.parallax-leaf {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 45px rgba(0, 0, 0, 0.45));
  transition: transform 0.2s ease-out;
}

/* 3 Stadium Cards Grid */
.cards-grid-stadium {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.2rem;
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}

.stadium-card {
  position: relative;
  background: var(--glass-bg);
  border-radius: var(--radius-stadium);
  padding: 3.5rem 2rem 2.5rem;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1.5px solid var(--glass-border);
  box-shadow: 0 15px 40px rgba(7, 18, 30, 0.35);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all 0.4s var(--ease-spring);
  overflow: hidden;
}

.stadium-card:hover {
  transform: translateY(-8px);
  border-color: var(--glass-border-hover);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.45), 0 0 30px rgba(193, 210, 226, 0.1);
}

.stadium-card.featured {
  border-color: rgba(190, 183, 167, 0.4);
  background: linear-gradient(180deg, rgba(13, 31, 51, 0.85) 0%, rgba(13, 31, 51, 0.55) 100%);
}

.stadium-card-content {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  position: relative;
  z-index: 2;
}

.stadium-icon-bubble {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: rgba(193, 210, 226, 0.08);
  border: 1px solid rgba(193, 210, 226, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.8rem auto;
  transition: transform 0.4s var(--ease-spring), background-color 0.3s ease;
  flex-shrink: 0;
}

.stadium-card:hover .stadium-icon-bubble {
  transform: scale(1.1);
  background: rgba(193, 210, 226, 0.16);
  border-color: var(--color-ice);
}

.card-icon {
  max-width: 58px;
  max-height: 58px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  margin: auto;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.3));
}

.card-roman {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  color: var(--color-champagne);
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1.1rem;
  color: var(--color-offwhite);
}

.card-desc {
  font-size: 0.95rem;
  color: var(--color-ice);
  line-height: 1.65;
  font-weight: 300;
}

/* ==========================================================================
   3. ¿QUÉ SON LOS PÉPTIDOS? SECTION
   ========================================================================== */
.section-science {
  padding: 6rem 0 3rem;
  position: relative;
}

.science-container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 4rem;
}

.science-prose p {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--color-ice);
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.lead-science {
  font-size: 1.25rem !important;
  color: var(--color-offwhite) !important;
  font-weight: 400 !important;
}

.highlight-quote-box {
  background: rgba(193, 210, 226, 0.06);
  border-left: 3px solid var(--color-champagne);
  padding: 1.2rem 1.6rem;
  border-radius: 0 16px 16px 0;
  margin: 1.8rem 0;
  position: relative;
}

.quote-symbol {
  font-family: var(--font-display);
  font-size: 2.4rem;
  line-height: 1;
  color: var(--color-champagne);
  display: block;
  margin-bottom: -0.5rem;
}

.quote-text {
  font-size: 1.2rem !important;
  color: var(--color-offwhite) !important;
  margin-bottom: 0 !important;
  font-weight: 400 !important;
}

.small-science {
  font-size: 0.95rem !important;
  color: var(--color-steel) !important;
}

.science-actions {
  margin-top: 2rem;
}

/* Video Stadium Container */
.science-video-col {
  position: relative;
}

.video-stadium-card {
  position: relative;
  border-radius: var(--radius-stadium);
  padding: 12px;
  background: linear-gradient(180deg, rgba(193, 210, 226, 0.25) 0%, rgba(13, 31, 51, 0.2) 100%);
  border: 1.5px solid var(--glass-border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.45);
}

.video-container {
  border-radius: calc(180px - 10px) calc(180px - 10px) 24px 24px;
  overflow: hidden;
  position: relative;
  aspect-ratio: 4 / 5.2;
  background: #000000;
}

.video-container video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Floating Unmute Badge over Video */
.video-unmute-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(7, 18, 30, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(251, 250, 245, 0.3);
  border-radius: 30px;
  padding: 10px 18px;
  color: var(--color-offwhite);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5), 0 0 15px rgba(100, 220, 255, 0.25);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  animation: pulseUnmuteBadge 2.2s infinite ease-in-out;
}

.video-unmute-badge:hover {
  background: var(--color-offwhite);
  color: var(--color-navy);
  border-color: var(--color-offwhite);
  transform: scale(1.06);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6), 0 0 25px rgba(255, 255, 255, 0.5);
}

.video-unmute-badge.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-12px) scale(0.9);
}

@keyframes pulseUnmuteBadge {
  0%, 100% {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5), 0 0 12px rgba(100, 220, 255, 0.2);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 25px rgba(100, 220, 255, 0.5);
    transform: scale(1.03);
  }
}

.video-custom-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1.2rem;
  background: linear-gradient(to top, rgba(7, 18, 30, 0.9) 0%, transparent 100%);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 5;
  transition: opacity 0.3s ease;
}

.video-btn {
  background: rgba(251, 250, 245, 0.2);
  border: none;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-offwhite);
  cursor: pointer;
  transition: all 0.25s ease;
}

.video-btn:hover {
  background: var(--color-offwhite);
  color: var(--color-navy);
  transform: scale(1.08);
}

.icon-pause {
  display: none;
}

.video-btn.is-playing .icon-play {
  display: none;
}

.video-btn.is-playing .icon-pause {
  display: block;
}

.icon-muted {
  display: none;
}

.video-btn.is-muted .icon-unmuted {
  display: none;
}

.video-btn.is-muted .icon-muted {
  display: block;
}

.video-progress-bar {
  flex: 1;
  height: 5px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 3px;
  overflow: hidden;
  cursor: pointer;
}

.video-progress-fill {
  width: 0%;
  height: 100%;
  background: var(--color-offwhite);
  transition: width 0.1s linear;
}

/* Monstera decor */
.monstera-leaf-decor {
  position: absolute;
  bottom: -45px;
  right: -60px;
  width: 360px;
  pointer-events: none;
  z-index: 6;
  opacity: 1;
  filter: drop-shadow(0 20px 45px rgba(0, 0, 0, 0.5));
}

.monstera-leaf-img {
  width: 100%;
  height: auto;
  display: block;
}

/* ==========================================================================
   4. CATÁLOGO — TRES PROTOCOLOS (3D Interactive Flip Cards)
   ========================================================================== */
.section-catalog {
  padding: 6rem 0 3rem;
  position: relative;
}

.flip-hint-lead {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--color-champagne) !important;
  font-weight: 500 !important;
}

.hint-icon {
  font-size: 1.3rem;
  animation: rotateHint 3s infinite ease-in-out;
}

@keyframes rotateHint {
  0% { transform: rotate(0deg); }
  50% { transform: rotate(180deg); }
  100% { transform: rotate(360deg); }
}

.protocols-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.2rem;
  margin-top: 2rem;
}

/* 3D Flip Card Container */
.flip-card-wrapper {
  perspective: 1400px;
  height: 670px;
}

.flip-card {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.85s var(--ease-spring);
  cursor: pointer;
  border-radius: var(--radius-stadium);
}

/* Desktop Hover & Mobile Active Flip States */
.flip-card-wrapper:hover .flip-card,
.flip-card.is-flipped {
  transform: rotateY(180deg);
}

.flip-face {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--radius-stadium);
  overflow: hidden;
}

/* Front Face */
.flip-front {
  z-index: 2;
  transform: rotateY(0deg);
}

.flip-stadium-outer {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-stadium);
  padding: 10px;
  background: var(--glass-bg);
  border: 1.5px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.flip-card-wrapper:hover .flip-stadium-outer {
  box-shadow: 0 25px 65px rgba(0, 0, 0, 0.5);
}

/* Themes per protocol */
.theme-purple .flip-stadium-outer { border-color: rgba(157, 78, 221, 0.3); }
.theme-purple:hover .flip-stadium-outer { border-color: var(--accent-purple); box-shadow: 0 0 35px var(--accent-purple-glow); }

.theme-pink .flip-stadium-outer { border-color: rgba(224, 86, 253, 0.3); }
.theme-pink:hover .flip-stadium-outer { border-color: var(--accent-pink); box-shadow: 0 0 35px var(--accent-pink-glow); }

.theme-blue .flip-stadium-outer { border-color: rgba(0, 180, 216, 0.3); }
.theme-blue:hover .flip-stadium-outer { border-color: var(--accent-blue); box-shadow: 0 0 35px var(--accent-blue-glow); }

.flip-stadium-inner {
  width: 100%;
  height: 100%;
  border-radius: calc(180px - 8px) calc(180px - 8px) 24px 24px;
  background: #091726;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 1.8rem 1.4rem 1.6rem;
  position: relative;
  overflow: hidden;
}

.card-pill-tag {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  z-index: 3;
}

.tag-purple { background: rgba(157, 78, 221, 0.2); color: #D8B4FE; border: 1px solid rgba(157, 78, 221, 0.4); }
.tag-pink { background: rgba(224, 86, 253, 0.2); color: #F5D0FE; border: 1px solid rgba(224, 86, 253, 0.4); }
.tag-blue { background: rgba(0, 180, 216, 0.2); color: #BAE6FD; border: 1px solid rgba(0, 180, 216, 0.4); }

.flip-img-container {
  width: 100%;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.flip-product-img {
  max-width: 85%;
  max-height: 270px;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform 0.5s var(--ease-spring);
  filter: drop-shadow(0 15px 25px rgba(0, 0, 0, 0.5));
}

.flip-card-wrapper:hover .flip-product-img {
  transform: scale(1.06);
}

.flip-card-meta {
  width: 100%;
  text-align: center;
  z-index: 3;
}

.protocol-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--color-offwhite);
  margin-bottom: 0.3rem;
}

.protocol-subtext {
  font-size: 0.85rem;
  color: var(--color-ice);
  margin-bottom: 0.8rem;
  font-weight: 300;
  line-height: 1.4;
}

.flip-action-hint {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--color-champagne);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

.flip-icon {
  font-size: 1.1rem;
}

/* Back Face */
.flip-back {
  transform: rotateY(180deg);
  z-index: 1;
}

.back-outer {
  background: #091726;
}

.back-content {
  background: #091726;
  justify-content: flex-start;
  align-items: flex-start;
  text-align: left;
  padding: 4.8rem 2.2rem 2.2rem;
  box-sizing: border-box;
}

.back-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-bottom: 0.4rem;
}

.back-protocol-kicker {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-champagne);
  font-weight: 700;
}

.back-flip-return {
  font-size: 0.75rem;
  color: var(--color-steel);
  display: flex;
  align-items: center;
  gap: 4px;
}

.back-protocol-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--color-offwhite);
  margin-bottom: 0.8rem;
}

.back-focus-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1.4rem;
}

.back-description {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--color-ice);
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.back-keypoints {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
  width: 100%;
}

.keypoint-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.86rem;
  color: var(--color-offwhite);
  line-height: 1.4;
}

.point-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(193, 210, 226, 0.15);
  color: var(--color-champagne);
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.back-cta-wrapper {
  margin-top: auto;
  width: 100%;
}

/* ==========================================================================
   5. PREGUNTAS FRECUENTES (FAQ) SECTION
   ========================================================================== */
.section-faq {
  padding: 6rem 0 3rem;
  position: relative;
}

.faq-container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 4rem;
}

.accordion-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.accordion-item {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.accordion-item.active {
  border-color: rgba(193, 210, 226, 0.4);
  background: rgba(13, 31, 51, 0.85);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.accordion-trigger {
  width: 100%;
  padding: 1.4rem 1.6rem;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
  cursor: pointer;
  color: var(--color-offwhite);
}

.accordion-question {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.4;
  transition: color 0.25s ease;
}

.accordion-item:hover .accordion-question,
.accordion-item.active .accordion-question {
  color: #FFFFFF;
}

.accordion-icon {
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--color-champagne);
  transition: transform 0.3s ease;
  line-height: 1;
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}

.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-smooth);
}

.accordion-body {
  padding: 0 1.6rem 1.6rem;
  color: var(--color-ice);
  font-size: 0.95rem;
  line-height: 1.7;
  font-weight: 300;
}

/* Giant Question Mark Art */
.faq-art-col {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.faq-art-wrapper {
  position: relative;
  width: 100%;
  max-width: 440px;
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.giant-question-mark {
  width: 80%;
  height: 80%;
  opacity: 0.85;
  filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.4));
  animation: floatArt 8s ease-in-out infinite alternate;
  position: relative;
  z-index: 2;
}

@keyframes floatArt {
  0% { transform: translateY(0) rotate(0deg); }
  100% { transform: translateY(-10px) rotate(2deg); }
}

.faq-plant-overlay {
  position: absolute;
  bottom: -20px;
  right: -40px;
  width: 320px;
  pointer-events: none;
  z-index: 1;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.5));
}

.faq-plant-img {
  width: 100%;
  height: auto;
}

.faq-ambient-ring {
  position: absolute;
  inset: 10px;
  border: 1px dashed rgba(193, 210, 226, 0.15);
  border-radius: 50%;
  pointer-events: none;
}

/* ==========================================================================
   6. CIERRE / CTA FINAL SECTION
   ========================================================================== */
.section-final-cta {
  padding: 6rem 0 8rem;
  position: relative;
}

.final-cta-card {
  background: radial-gradient(circle at 50% 30%, rgba(126, 153, 182, 0.15) 0%, rgba(13, 31, 51, 0.7) 70%);
  border: 1.5px solid rgba(193, 210, 226, 0.25);
  border-radius: 40px;
  padding: 5rem 3rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 30px 80px rgba(7, 18, 30, 0.5);
  max-width: 960px;
  margin: 0 auto;
}

.final-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 3.8vw, 3.4rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.02em;
  margin-bottom: 1.5rem;
}

.d-block {
  display: block;
}

.final-description {
  font-size: clamp(1.05rem, 1.3vw, 1.2rem);
  color: var(--color-ice);
  max-width: 640px;
  margin: 0 auto 2.8rem;
  font-weight: 300;
  line-height: 1.7;
}

.final-btn-wrapper {
  margin-bottom: 2.2rem;
}

.final-reassurance {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  font-size: 0.88rem;
  color: var(--color-champagne);
  flex-wrap: wrap;
}

.check-icon {
  color: var(--color-offwhite);
  font-weight: 700;
}

.bullet-dot {
  opacity: 0.5;
}

/* ==========================================================================
   FOOTER & BOTTOM CHAMPAGNE BAR
   ========================================================================== */
.site-footer {
  background: var(--color-navy-dark);
  border-top: 1px solid var(--glass-border);
  padding-top: 4.5rem;
}

.footer-container {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr 1.4fr;
  gap: 3rem;
  padding-bottom: 4rem;
}

.footer-logo {
  height: 22px;
  width: auto;
  margin-bottom: 1rem;
}

.footer-tagline {
  font-size: 0.88rem;
  color: var(--color-steel);
  line-height: 1.6;
}

.footer-heading {
  display: block;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--color-champagne);
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}

.footer-nav-col,
.footer-protocols-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-nav-col a,
.footer-protocols-col a {
  color: var(--color-ice);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s ease, transform 0.2s ease;
  cursor: pointer;
  background: none;
  border: none;
  text-align: left;
}

.footer-nav-col a:hover,
.footer-protocols-col a:hover {
  color: var(--color-offwhite);
  transform: translateX(3px);
}

.legal-disclaimer {
  font-size: 0.82rem;
  color: var(--color-steel);
  line-height: 1.6;
}

/* Champagne Bottom Bar (Master Prototype signature) */
.prototype-bottom-bar {
  background-color: var(--color-champagne);
  color: var(--color-navy);
  padding: 1rem 0;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.bar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ==========================================================================
   FLOATING WHATSAPP PILL BUTTON (Prototype Replica)
   ========================================================================== */
.floating-whatsapp-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99;
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: var(--whatsapp-green);
  color: #FFFFFF;
  padding: 10px 22px 10px 12px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  box-shadow: 0 8px 25px var(--whatsapp-glow);
  transition: all 0.35s var(--ease-spring);
  font-family: var(--font-body);
}

.floating-whatsapp-btn:hover {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 12px 35px rgba(37, 211, 102, 0.6);
}

.whatsapp-icon-circle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.whatsapp-label {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

/* ==========================================================================
   INTERACTIVE VALUATION MODAL
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(7, 18, 30, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.modal-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal-window {
  background: var(--color-navy);
  border: 1.5px solid var(--glass-border-hover);
  border-radius: 28px;
  width: 100%;
  max-width: 520px;
  padding: 2.5rem;
  position: relative;
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.6);
  transform: translateY(20px) scale(0.96);
  transition: transform 0.35s var(--ease-spring);
}

.modal-backdrop.is-open .modal-window {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--color-offwhite);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: rotate(90deg);
}

.modal-kicker {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--color-champagne);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-offwhite);
  margin-bottom: 0.5rem;
}

.modal-desc {
  font-size: 0.9rem;
  color: var(--color-ice);
  margin-bottom: 1.8rem;
  font-weight: 300;
  line-height: 1.5;
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  text-align: left;
}

.form-group label {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--color-offwhite);
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: rgba(7, 18, 30, 0.7);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  color: var(--color-offwhite);
  font-family: var(--font-body);
  font-size: 0.92rem;
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--color-ice);
  box-shadow: 0 0 15px rgba(193, 210, 226, 0.2);
}

.form-note {
  font-size: 0.78rem;
  color: var(--color-steel);
  text-align: center;
  margin-top: 0.5rem;
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES (Mobile & Tablet Perfection)
   ========================================================================== */
@media (max-width: 1120px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .hero-content {
    order: 1;
  }
  .hero-media-wrapper {
    order: 2;
  }
  .stadium-arch-container {
    max-width: 340px;
    margin: 0 auto;
  }
  .science-container,
  .faq-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .footer-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 991px) {
  .nav-menu,
  .btn-outline-nav {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .cards-grid-stadium,
  .protocols-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
  }
  .flip-card-wrapper {
    height: 580px;
  }
  .flip-stadium-outer,
  .flip-face,
  .flip-card {
    border-radius: 160px 160px 28px 28px;
  }
  .flip-stadium-inner {
    padding: 1.5rem 1.25rem 1.4rem;
    border-radius: calc(160px - 8px) calc(160px - 8px) 24px 24px;
  }
  .back-content {
    padding: 4.6rem 1.8rem 1.8rem;
    border-radius: calc(160px - 8px) calc(160px - 8px) 24px 24px;
    background: #091726;
  }
  .back-description {
    font-size: 0.88rem;
    line-height: 1.6;
    margin-bottom: 1.2rem;
  }
  .back-keypoints {
    gap: 0.6rem;
    margin-bottom: 1.5rem;
  }
  .keypoint-item {
    font-size: 0.84rem;
  }
  .leaf-left {
    width: clamp(280px, 35vw, 360px);
    left: -65px;
    top: 8%;
    opacity: 1;
  }
  .leaf-right {
    width: clamp(280px, 35vw, 360px);
    right: -55px;
    top: 25%;
    opacity: 1;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 0.85rem 0;
  }
  .nav-container {
    padding: 0 1rem;
  }
  .brand-link {
    gap: 10px;
  }
  .brand-iso {
    width: 28px;
    height: 34px;
  }
  .brand-logo {
    height: 16px;
    max-width: 135px;
    width: auto;
  }
  .btn-primary-nav {
    padding: 0.4rem 0.9rem;
    font-size: 0.78rem;
  }
  .hero-media-wrapper {
    margin-top: 1rem;
  }
  .stadium-arch-container {
    max-width: 300px;
  }
  .hero-arch-ring {
    width: 90px;
    height: 90px;
    right: 0;
    top: -10px;
  }
}

@media (max-width: 640px) {
  /* Nav bar mobile fit */
  .site-header {
    padding: 0.75rem 0;
  }
  .nav-container {
    padding: 0 0.85rem;
  }
  .brand-link {
    gap: 8px;
  }
  .brand-iso {
    width: 25px;
    height: 30px;
  }
  .brand-logo {
    height: 14px;
    max-width: 115px;
    width: auto;
  }
  .btn-primary-nav {
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
  }
  .mobile-toggle {
    padding: 4px;
  }

  /* Container & Sections */
  .container {
    padding: 0 1rem;
    overflow: hidden;
  }
  .section-hero {
    padding-top: 90px;
    padding-bottom: 2rem;
    min-height: auto;
  }
  .hero-kicker-wrapper {
    gap: 8px;
    margin-bottom: 1rem;
  }
  .kicker-pill {
    font-size: 0.68rem;
    padding: 0.25rem 0.7rem;
  }
  .hero-badge-presenter {
    font-size: 0.74rem;
  }
  .hero-title {
    font-size: clamp(1.8rem, 8vw, 2.2rem);
    line-height: 1.18;
    margin-bottom: 0.8rem;
  }
  .hero-subtitle-line {
    font-size: clamp(1.22rem, 5.5vw, 1.45rem);
    margin-top: 0.25rem;
  }
  .hero-description {
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
  }
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
    margin-bottom: 1.8rem;
  }
  .hero-cta-group .btn {
    width: 100%;
    text-align: center;
    justify-content: center;
  }
  .hero-divider-bar {
    margin-bottom: 1.5rem;
  }
  .hero-dna-showcase {
    padding: 0.8rem 1rem;
    gap: 1rem;
    width: 100%;
    max-width: 100%;
    margin-bottom: 1.5rem;
  }
  .dna-image-wrapper {
    width: 55px;
    height: 55px;
  }
  .stadium-arch-container {
    max-width: 275px;
    margin: 0 auto;
  }
  .hero-arch-ring {
    width: 75px;
    height: 75px;
    top: -10px;
    right: 0;
  }

  /* Section 2: ¿Te identificas? */
  .section-identificas {
    padding: 3.5rem 0 2rem;
    overflow: hidden;
  }
  .stadium-card {
    padding: 2.2rem 1.4rem 1.8rem;
    border-radius: calc(140px) calc(140px) 24px 24px;
  }
  .stadium-card-content {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .stadium-icon-bubble {
    width: 90px;
    height: 90px;
    margin: 0 auto 1.2rem auto;
  }
  .card-icon {
    max-width: 48px;
    max-height: 48px;
    margin: auto;
  }
  .card-title {
    font-size: 1.22rem;
    margin-bottom: 0.8rem;
  }
  .card-desc {
    font-size: 0.88rem;
    line-height: 1.55;
  }
  .leaf-left {
    width: clamp(220px, 55vw, 290px);
    left: -50px;
    top: 4%;
    opacity: 1;
  }
  .leaf-right {
    width: clamp(220px, 55vw, 290px);
    right: -45px;
    top: 22%;
    opacity: 1;
  }

  /* Section 3: Video & Science */
  .section-science {
    padding: 3.5rem 0 2rem;
    overflow: hidden;
  }
  .monstera-leaf-decor {
    width: clamp(220px, 55vw, 300px);
    right: -25px;
    bottom: -25px;
    opacity: 1;
    z-index: 6;
    filter: drop-shadow(0 15px 35px rgba(0, 0, 0, 0.45));
  }
  .video-unmute-badge {
    top: 10px;
    right: 10px;
    padding: 6px 12px;
    font-size: 0.76rem;
  }

  /* Section 4: Catalog Flip Cards - Perfect vertical mobile fit */
  .section-catalog {
    padding: 3.5rem 0 2rem;
    overflow: hidden;
  }
  .protocols-grid {
    width: 100%;
    max-width: 350px;
    gap: 1.8rem;
  }
  .flip-card-wrapper {
    height: 550px;
  }
  .flip-stadium-outer,
  .flip-face,
  .flip-card {
    border-radius: 140px 140px 24px 24px;
  }
  .flip-stadium-inner {
    padding: 1.4rem 1.1rem 1.2rem;
    border-radius: calc(140px - 8px) calc(140px - 8px) 20px 20px;
  }
  .card-pill-tag {
    font-size: 0.68rem;
    padding: 0.25rem 0.8rem;
  }
  .flip-img-container {
    max-height: 245px;
    width: 100%;
  }
  .flip-product-img {
    max-height: 215px;
    max-width: 80%;
    width: auto;
    height: auto;
  }
  .protocol-name {
    font-size: 1.15rem;
    margin-bottom: 0.2rem;
  }
  .protocol-subtext {
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
    line-height: 1.35;
  }
  .flip-action-hint {
    font-size: 0.72rem;
  }

  /* Flip Back face mobile sizing - Total arch clearance */
  .back-content {
    padding: 4.5rem 1.5rem 1.4rem;
    border-radius: calc(140px - 8px) calc(140px - 8px) 20px 20px;
    background: #091726;
  }
  .back-top-row {
    margin-bottom: 0.35rem;
    padding: 0 0.2rem;
  }
  .back-protocol-kicker {
    font-size: 0.68rem;
    letter-spacing: 0.16em;
  }
  .back-flip-return {
    font-size: 0.72rem;
    cursor: pointer;
  }
  .back-protocol-title {
    font-size: 1.22rem;
    margin-bottom: 0.35rem;
  }
  .back-focus-badge {
    font-size: 0.72rem;
    padding: 0.22rem 0.65rem;
    margin-bottom: 0.75rem;
  }
  .back-description {
    font-size: 0.82rem;
    line-height: 1.48;
    margin-bottom: 0.75rem;
  }
  .back-keypoints {
    gap: 0.45rem;
    margin-bottom: 0.85rem;
  }
  .keypoint-item {
    font-size: 0.78rem;
    line-height: 1.35;
    gap: 8px;
  }
  .back-cta-wrapper {
    margin-top: auto;
    width: 100%;
  }
  .back-cta-wrapper .btn {
    padding: 0.7rem 1rem;
    font-size: 0.82rem;
  }

  /* Section 5: FAQ & Art */
  .section-faq {
    padding: 3.5rem 0 2rem;
    overflow: hidden;
  }
  .faq-art-col {
    position: relative;
    width: 100%;
  }
  .faq-art-wrapper {
    max-width: 100%;
    width: 100%;
    height: 380px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
  }
  .giant-question-mark {
    width: 190px;
    height: auto;
    position: relative;
    z-index: 2;
  }
  .faq-plant-overlay {
    position: absolute;
    width: clamp(260px, 72vw, 310px);
    right: -1.25rem;
    bottom: -15px;
    opacity: 1;
    z-index: 1;
    filter: drop-shadow(0 15px 35px rgba(0, 0, 0, 0.45));
    pointer-events: none;
  }
  .faq-ambient-ring {
    width: 150px;
    height: 150px;
    z-index: 0;
  }
  .accordion-question {
    font-size: 0.95rem;
  }
  .accordion-body p {
    font-size: 0.86rem;
    line-height: 1.6;
  }

  /* Final CTA & Footer */
  .final-cta-card {
    padding: 2.5rem 1.25rem;
    border-radius: 24px;
  }
  .final-title {
    font-size: clamp(1.6rem, 6.5vw, 2rem);
  }
  .final-description {
    font-size: 0.92rem;
    margin-bottom: 1.8rem;
  }
  .floating-whatsapp-btn {
    bottom: 14px;
    right: 14px;
    padding: 7px 14px 7px 8px;
    max-width: calc(100vw - 28px);
  }
  .whatsapp-label {
    font-size: 0.75rem;
  }
  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .bar-content {
    flex-direction: column;
    gap: 0.5rem;
}

@media (max-width: 380px) {
  .flip-card-wrapper {
    height: 565px;
  }
  .back-content {
    padding: 4.3rem 1.25rem 1.25rem;
  }
  .back-protocol-title {
    font-size: 1.15rem;
  }
  .back-description {
    font-size: 0.8rem;
    line-height: 1.42;
  }
  .keypoint-item {
    font-size: 0.76rem;
  }
}

/* Contact Channel Selector & Valuation Form Enhancements */
.contact-channel-selector {
  display: flex;
  gap: 10px;
  margin-top: 6px;
}

.channel-pill {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 14px;
  background: rgba(7, 18, 30, 0.7);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-steel);
  transition: all 0.25s ease;
  user-select: none;
}

.form-group .contact-channel-selector input[type="radio"],
.contact-channel-selector input[type="radio"],
.channel-pill input[type="radio"] {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  opacity: 0 !important;
  position: absolute !important;
  pointer-events: none !important;
}

.channel-pill:hover {
  border-color: rgba(193, 210, 226, 0.4);
  color: var(--color-offwhite);
}

.channel-pill.is-active {
  background: rgba(14, 34, 56, 0.9);
  border-color: var(--color-champagne);
  color: var(--color-offwhite);
  box-shadow: 0 0 15px rgba(229, 219, 187, 0.15);
}

.channel-pill.is-active span {
  font-weight: 600;
}

.form-status-msg {
  display: none;
  font-size: 0.86rem;
  padding: 12px 16px;
  border-radius: 10px;
  text-align: center;
  margin-top: 10px;
  line-height: 1.45;
  animation: fadeInStatus 0.3s ease;
}

.form-status-msg.is-success {
  display: block;
  background: rgba(30, 80, 50, 0.4);
  border: 1px solid rgba(74, 222, 128, 0.4);
  color: #86efac;
}

.form-status-msg.is-error {
  display: block;
  background: rgba(120, 30, 30, 0.4);
  border: 1px solid rgba(248, 113, 113, 0.4);
  color: #fca5a5;
}

@keyframes fadeInStatus {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.footer-contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1.1rem;
}

.footer-contact-links a {
  color: var(--color-offwhite, #FBFAF5) !important;
  text-decoration: none !important;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-contact-links a:hover {
  color: var(--color-champagne) !important;
  transform: translateX(3px);
}