/* ==============================================
   QUINTAS DE CACHIPAY - PREMIUM LANDING PAGE
   Diseño: Premium / Lujo / Inmobiliario
   ============================================== */

/* ==============================================
   1. CSS CUSTOM PROPERTIES (VARIABLES)
   ============================================== */
:root {
  /* Paleta principal */
  --color-green-dark: #1a3a2a;
  --color-green: #2d5a3f;
  --color-green-light: #3d7a5a;
  --color-green-muted: #4a8c6a;
  --color-gold: #c9a84c;
  --color-gold-light: #dfc06e;
  --color-gold-dark: #a88a3a;
  --color-copper: #b87333;

  /* Neutros */
  --color-white: #ffffff;
  --color-cream: #faf8f2;
  --color-cream-dark: #f0ece2;
  --color-gray-100: #f5f5f5;
  --color-gray-200: #e8e8e8;
  --color-gray-300: #d1d1d1;
  --color-gray-400: #a0a0a0;
  --color-gray-500: #707070;
  --color-gray-600: #4a4a4a;
  --color-gray-700: #333333;
  --color-gray-800: #1a1a1a;
  --color-black: #0d0d0d;

  /* Tipografía */
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Tamaños de fuente (fluid) */
  --fs-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.8rem);
  --fs-sm: clamp(0.8rem, 0.75rem + 0.3vw, 0.9rem);
  --fs-base: clamp(0.9rem, 0.85rem + 0.3vw, 1rem);
  --fs-md: clamp(1rem, 0.9rem + 0.5vw, 1.15rem);
  --fs-lg: clamp(1.1rem, 1rem + 0.6vw, 1.35rem);
  --fs-xl: clamp(1.3rem, 1.1rem + 1vw, 1.75rem);
  --fs-2xl: clamp(1.6rem, 1.3rem + 1.5vw, 2.25rem);
  --fs-3xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);
  --fs-4xl: clamp(2.5rem, 1.8rem + 3.5vw, 4rem);
  --fs-hero: clamp(2.8rem, 2rem + 4vw, 5rem);

  /* Espaciado */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Layout */
  --container-max: 1200px;
  --container-padding: clamp(1rem, 3vw, 2rem);

  /* Bordes y sombras */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 30px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --shadow-xl: 0 16px 60px rgba(0,0,0,0.16);
  --shadow-gold: 0 4px 30px rgba(201,168,76,0.25);

  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-spring: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);

  /* Z-index */
  --z-header: 1000;
  --z-lightbox: 2000;
  --z-preloader: 3000;
  --z-whatsapp: 900;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--color-gray-700);
  background-color: var(--color-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Bloquear scroll cuando lightbox o menú están abiertos */
body.no-scroll {
  overflow: hidden;
}

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

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

ul {
  list-style: none;
}

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

input, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* ==============================================
   3. UTILIDADES
   ============================================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

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

.gold {
  color: var(--color-gold);
}

.section {
  padding: var(--space-2xl) 0;
  position: relative;
}

@media (min-width: 1024px) {
  .section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-xl) 0;
  }
}

.section__label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-gold);
  margin-bottom: var(--space-md);
  position: relative;
  padding-left: 40px;
}

.section__label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 28px;
  height: 1px;
  background: var(--color-gold);
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--fs-3xl);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-green-dark);
  margin-bottom: var(--space-lg);
}

.section__title--light {
  color: var(--color-white);
}

.section__desc {
  font-size: var(--fs-md);
  color: var(--color-gray-500);
  max-width: 600px;
  margin: 0 auto;
}

.section__header {
  margin-bottom: var(--space-2xl);
}

/* Animación en scroll */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Delay escalonado para tarjetas */
.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }
.animate-on-scroll:nth-child(5) { transition-delay: 0.35s; }
.animate-on-scroll:nth-child(6) { transition-delay: 0.4s; }

/* ==============================================
   4. PRELOADER
   ============================================== */
.preloader {
  position: fixed;
  inset: 0;
  z-index: var(--z-preloader);
  background: var(--color-green-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader__inner {
  text-align: center;
}

.preloader__logo {
  margin-bottom: var(--space-xl);
  animation: preloaderPulse 1.5s ease-in-out infinite;
  display: flex;
  justify-content: center;
}

.preloader__logo-img {
  height: 140px;
  width: auto;
  object-fit: contain;
}

.preloader__bar {
  width: 200px;
  height: 2px;
  background: rgba(255,255,255,0.15);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.preloader__fill {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
  border-radius: var(--radius-full);
  animation: preloaderBar 1.5s ease-in-out forwards;
}

@keyframes preloaderPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes preloaderBar {
  0% { width: 0; }
  100% { width: 100%; }
}

/* ==============================================
   5. HEADER / NAVEGACIÓN
   ============================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  padding: var(--space-md) 0;
  transition: all var(--transition-base);
}

.header.scrolled {
  background: rgba(26, 58, 42, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--space-sm) 0;
  box-shadow: 0 4px 30px rgba(0,0,0,0.15);
}

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

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  z-index: 10;
}

.nav__logo-img {
  height: 70px;
  width: auto;
  object-fit: contain;
  transition: all var(--transition-base);
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--color-white);
  opacity: 0;
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  transition: all var(--transition-base);
}

.header.scrolled .nav__logo-img {
  height: 0;
  opacity: 0;
  overflow: hidden;
}

.header.scrolled .nav__logo-text {
  opacity: 1;
  max-width: 250px;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav__link {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: width var(--transition-base);
}

.nav__link:hover {
  color: var(--color-white);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__link--cta {
  background: var(--color-gold);
  color: var(--color-green-dark) !important;
  padding: var(--space-xs) var(--space-lg) !important;
  border-radius: var(--radius-full);
  font-weight: 600;
  transition: all var(--transition-base);
}

.nav__link--cta::after {
  display: none;
}

.nav__link--cta:hover {
  background: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

/* Hamburger toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  z-index: 10;
  padding: var(--space-xs);
}

.nav__toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

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

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

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

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

.hero__bg {
  position: absolute;
  inset: 0;
  background: 
    url('https://images.unsplash.com/photo-1500382017468-9049fed747ef?w=1920&h=1080&fit=crop&q=80') center/cover no-repeat;
}

.hero__gradient {
  position: absolute;
  inset: 0;
  background: 
    linear-gradient(135deg, 
      rgba(26, 58, 42, 0.92) 0%, 
      rgba(26, 58, 42, 0.8) 40%,
      rgba(45, 90, 63, 0.75) 70%,
      rgba(26, 58, 42, 0.85) 100%
    );
}

/* Partículas sutiles en el hero */
.hero__particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero__particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: rgba(201, 168, 76, 0.3);
  border-radius: 50%;
  animation: particleFloat linear infinite;
}

@keyframes particleFloat {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-10vh) rotate(720deg); opacity: 0; }
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-top: 100px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(201,168,76,0.3);
  padding: var(--space-xs) var(--space-lg);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-gold-light);
  margin-bottom: var(--space-2xl);
  backdrop-filter: blur(10px);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: #4ade80;
  border-radius: 50%;
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(74,222,128,0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(74,222,128,0); }
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-white);
  margin-bottom: var(--space-xl);
}

.hero__title-highlight {
  color: var(--color-gold);
  position: relative;
  display: inline-block;
}

.hero__title-highlight::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  opacity: 0.6;
}

.hero__subtitle {
  font-size: var(--fs-lg);
  color: rgba(255,255,255,0.8);
  max-width: 650px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-4xl);
  flex-wrap: wrap;
}

/* Hero stats */
.hero__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}

.hero__stat {
  text-align: center;
}

.hero__stat-number {
  font-family: var(--font-display);
  font-size: var(--fs-4xl);
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
}

.hero__stat-unit {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 400;
  color: var(--color-gold-light);
}

.hero__stat-label {
  display: block;
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.6);
  margin-top: var(--space-xs);
}

.hero__stat-divider {
  width: 1px;
  height: 50px;
  background: rgba(255,255,255,0.2);
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: rgba(255,255,255,0.5);
  font-size: var(--fs-xs);
  animation: scrollBounce 2s ease-in-out infinite;
}

.hero__scroll-mouse {
  width: 24px;
  height: 38px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 12px;
  position: relative;
}

.hero__scroll-wheel {
  width: 3px;
  height: 8px;
  background: var(--color-gold);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

@keyframes scrollWheel {
  0% { transform: translateX(-50%) translateY(0); opacity: 1; }
  100% { transform: translateX(-50%) translateY(12px); opacity: 0; }
}

/* ==============================================
   7. BOTONES
   ============================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-2xl);
  border-radius: var(--radius-full);
  font-size: var(--fs-base);
  font-weight: 600;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border: none;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
  color: var(--color-green-dark);
  box-shadow: 0 4px 15px rgba(201,168,76,0.3);
}

.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(201,168,76,0.4);
}

.btn--primary:active {
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.3);
}

.btn--outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.5);
  transform: translateY(-2px);
}

.btn--lg {
  padding: var(--space-lg) var(--space-3xl);
  font-size: var(--fs-md);
}

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

.btn--glow::after {
  content: '';
  position: absolute;
  inset: -50%;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(255,255,255,0.3) 50%,
    transparent 70%
  );
  animation: btnGlow 3s ease-in-out infinite;
}

@keyframes btnGlow {
  0% { transform: translateX(-100%) rotate(45deg); }
  100% { transform: translateX(200%) rotate(45deg); }
}

/* Loader del botón de envío */
.btn__loader {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(26,58,42,0.2);
  border-top-color: var(--color-green-dark);
  border-radius: 50%;
  animation: btnSpin 0.6s linear infinite;
}

.btn.loading .btn__text { display: none; }
.btn.loading .btn__icon { display: none; }
.btn.loading .btn__loader { display: inline-block; }

@keyframes btnSpin {
  to { transform: rotate(360deg); }
}

/* ==============================================
   8. SOBRE EL PROYECTO
   ============================================== */
.sobre {
  background: var(--color-cream);
}

.sobre__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.sobre__images {
  position: relative;
}

.sobre__img-main {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.sobre__img-main img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.sobre__img-main:hover img {
  transform: scale(1.05);
}

.sobre__img-badge {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: var(--color-gold);
  color: var(--color-green-dark);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-gold);
}

.sobre__img-badge-number {
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 700;
  line-height: 1;
}

.sobre__img-badge-text {
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.sobre__img-secondary {
  position: absolute;
  bottom: -30px;
  left: -30px;
  width: 200px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--color-white);
}

.sobre__img-secondary img {
  width: 100%;
  height: 150px;
  object-fit: cover;
}

.sobre__content {
  padding-left: var(--space-xl);
}

.sobre__text {
  font-size: var(--fs-md);
  color: var(--color-gray-600);
  margin-bottom: var(--space-lg);
  line-height: 1.8;
}

.sobre__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.sobre__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
}

.sobre__feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
  border-radius: var(--radius-sm);
  color: var(--color-green-dark);
}

.sobre__feature strong {
  display: block;
  font-size: var(--fs-base);
  color: var(--color-green-dark);
  margin-bottom: 2px;
}

.sobre__feature p {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
}

/* ==============================================
   9. CARACTERÍSTICAS
   ============================================== */
.caracteristicas {
  background: var(--color-white);
}

.caract__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.caract__card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.caract__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-green));
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

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

.caract__card:hover::before {
  transform: scaleX(1);
}

.caract__card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: var(--color-cream);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  color: var(--color-green);
  transition: all var(--transition-base);
}

.caract__card:hover .caract__card-icon {
  background: var(--color-green-dark);
  color: var(--color-gold);
}

.caract__card-title {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--color-green-dark);
  margin-bottom: var(--space-sm);
}

.caract__card-desc {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.caract__card-detail {
  display: inline-block;
  padding: var(--space-xs) var(--space-lg);
  background: var(--color-cream);
  color: var(--color-gold-dark);
  font-size: var(--fs-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
}

/* ==============================================
   10. AVANCE DE OBRA
   ============================================== */
.avance {
  background: var(--color-green-dark);
  overflow: hidden;
}

.avance__bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(201,168,76,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(61,122,90,0.15) 0%, transparent 50%);
  pointer-events: none;
}

.avance__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.avance__desc {
  font-size: var(--fs-md);
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
  margin-top: var(--space-lg);
}

.avance__progress {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2xl);
}

/* Círculo de progreso */
.avance__circle {
  position: relative;
  width: 220px;
  height: 220px;
}

.avance__circle-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.avance__circle-bg {
  fill: none;
  stroke: rgba(255,255,255,0.1);
  stroke-width: 8;
}

.avance__circle-fill {
  fill: none;
  stroke: var(--color-gold);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 534;
  stroke-dashoffset: 534;
  transition: stroke-dashoffset 2s ease-in-out;
  filter: drop-shadow(0 0 8px rgba(201,168,76,0.4));
}

.avance__circle-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.avance__circle-number {
  font-family: var(--font-display);
  font-size: var(--fs-4xl);
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
}

.avance__circle-percent {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  color: var(--color-gold-light);
}

.avance__circle-label {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.5);
  margin-top: var(--space-xs);
}

/* Milestones */
.avance__milestones {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  width: 100%;
  max-width: 300px;
}

.avance__milestone {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.35);
  font-size: var(--fs-sm);
  transition: all var(--transition-base);
}

.avance__milestone--done {
  color: rgba(255,255,255,0.7);
}

.avance__milestone--active {
  background: rgba(201,168,76,0.1);
  color: var(--color-gold);
  border: 1px solid rgba(201,168,76,0.2);
}

.avance__milestone-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-sm);
}

.avance__milestone--done .avance__milestone-icon {
  color: #4ade80;
}

/* ==============================================
   11. GALERÍA
   ============================================== */
.galeria {
  background: var(--color-cream);
}

.galeria__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.galeria__item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
}

.galeria__item--wide {
  grid-column: span 2;
  aspect-ratio: 16/9;
}

.galeria__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.galeria__overlay {
  position: absolute;
  inset: 0;
  background: rgba(26,58,42,0.6);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  color: var(--color-white);
  font-size: var(--fs-sm);
  font-weight: 500;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.galeria__item:hover img {
  transform: scale(1.1);
}

.galeria__item:hover .galeria__overlay {
  opacity: 1;
}

/* ==============================================
   12. LIGHTBOX
   ============================================== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-lightbox);
  background: rgba(0,0,0,0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox__close {
  position: absolute;
  top: 20px;
  right: 20px;
  color: var(--color-white);
  padding: var(--space-sm);
  transition: all var(--transition-fast);
  z-index: 10;
}

.lightbox__close:hover {
  color: var(--color-gold);
  transform: rotate(90deg);
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-white);
  padding: var(--space-md);
  transition: all var(--transition-fast);
  z-index: 10;
}

.lightbox__nav--prev { left: 20px; }
.lightbox__nav--next { right: 20px; }

.lightbox__nav:hover {
  color: var(--color-gold);
}

.lightbox__content {
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

.lightbox.active .lightbox__img {
  transform: scale(1);
}

.lightbox__counter {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.6);
  font-size: var(--fs-sm);
}

/* ==============================================
   13. UBICACIÓN
   ============================================== */
.ubicacion {
  background: var(--color-white);
}

.ubicacion__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.ubicacion__desc {
  font-size: var(--fs-md);
  color: var(--color-gray-600);
  line-height: 1.8;
  margin-bottom: var(--space-2xl);
}

.ubicacion__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.ubicacion__detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.ubicacion__detail-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-cream);
  border-radius: var(--radius-sm);
  color: var(--color-green);
}

.ubicacion__detail strong {
  display: block;
  font-size: var(--fs-base);
  color: var(--color-green-dark);
}

.ubicacion__detail p {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
}

.ubicacion__map-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  aspect-ratio: 4/3;
}

.ubicacion__map-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.ubicacion__map-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-lg);
  color: var(--color-gold);
  font-weight: 600;
  font-size: var(--fs-sm);
  transition: color var(--transition-base);
}

.ubicacion__map-link:hover {
  color: var(--color-gold-light);
}

/* ==============================================
   14. BENEFICIOS
   ============================================== */
.beneficios {
  background: var(--color-green-dark);
  position: relative;
  overflow: hidden;
}

.beneficios__bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 90% 90%, rgba(201,168,76,0.06) 0%, transparent 40%),
    radial-gradient(circle at 10% 10%, rgba(61,122,90,0.1) 0%, transparent 40%);
  pointer-events: none;
}

.beneficios__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  position: relative;
  z-index: 1;
}

.beneficio__card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.beneficio__card:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(201,168,76,0.2);
  transform: translateY(-8px);
}

.beneficio__number {
  font-family: var(--font-display);
  font-size: var(--fs-4xl);
  font-weight: 700;
  color: rgba(201,168,76,0.12);
  position: absolute;
  top: 15px;
  right: 20px;
}

.beneficio__icon {
  color: var(--color-gold);
  margin-bottom: var(--space-lg);
}

.beneficio__title {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.beneficio__desc {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}

/* ==============================================
   15. CTA INTERMEDIO
   ============================================== */
.cta-section {
  background: linear-gradient(135deg, var(--color-gold-dark), var(--color-gold), var(--color-gold-light));
  padding: var(--space-2xl) 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta__content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta__title {
  font-family: var(--font-display);
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--color-green-dark);
  margin-bottom: var(--space-md);
}

.cta__desc {
  font-size: var(--fs-lg);
  color: rgba(26,58,42,0.7);
  margin-bottom: var(--space-2xl);
}

.cta-section .btn--primary {
  background: var(--color-green-dark);
  color: var(--color-gold);
}

.cta-section .btn--primary:hover {
  background: var(--color-black);
}

/* ==============================================
   16. CONTACTO
   ============================================== */
.contacto {
  background: var(--color-cream);
}

.contacto__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: flex-start;
}

.contacto__desc {
  font-size: var(--fs-md);
  color: var(--color-gray-600);
  line-height: 1.8;
  margin-bottom: var(--space-2xl);
}

.contacto__methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contacto__method {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.contacto__method-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-white);
  border-radius: var(--radius-sm);
  color: var(--color-green);
  box-shadow: var(--shadow-sm);
}

.contacto__method strong {
  display: block;
  font-size: var(--fs-base);
  color: var(--color-green-dark);
}

.contacto__method p {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
}

/* Formulario */
.contacto__form-wrapper {
  position: relative;
}

.contacto__form {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-lg);
}

.contacto__form-title {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--color-green-dark);
  margin-bottom: var(--space-xl);
  text-align: center;
}

.form__group {
  margin-bottom: var(--space-lg);
}

.form__label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: var(--space-xs);
}

.form__optional {
  font-weight: 400;
  color: var(--color-gray-400);
}

.form__input {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-sm);
  font-size: var(--fs-base);
  color: var(--color-gray-700);
  background: var(--color-white);
  transition: all var(--transition-fast);
  outline: none;
}

.form__input::placeholder {
  color: var(--color-gray-400);
}

.form__input:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 4px rgba(201,168,76,0.1);
}

.form__input.error {
  border-color: #ef4444;
}

.form__input.error:focus {
  box-shadow: 0 0 0 4px rgba(239,68,68,0.1);
}

.form__textarea {
  resize: vertical;
  min-height: 100px;
}

.form__error {
  display: block;
  font-size: var(--fs-xs);
  color: #ef4444;
  margin-top: 4px;
  min-height: 18px;
}

/* Éxito del formulario */
.contacto__success {
  display: none;
  text-align: center;
  padding: var(--space-3xl);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.contacto__success.show {
  display: block;
  animation: successFade 0.5s ease;
}

.contacto__success-icon {
  color: #4ade80;
  margin-bottom: var(--space-lg);
}

.contacto__success h3 {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  color: var(--color-green-dark);
  margin-bottom: var(--space-md);
}

.contacto__success p {
  color: var(--color-gray-500);
  margin-bottom: var(--space-xl);
}

@keyframes successFade {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==============================================
   17. FOOTER
   ============================================== */
.footer {
  background: var(--color-black);
  color: rgba(255,255,255,0.6);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.footer__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.footer__logo-img {
  height: 50px;
  width: auto;
  object-fit: contain;
}

.footer__desc {
  font-size: var(--fs-sm);
  line-height: 1.7;
  max-width: 300px;
}

.footer__heading {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

.footer__links ul li,
.footer__contact ul li {
  margin-bottom: var(--space-sm);
  font-size: var(--fs-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer__links a {
  transition: color var(--transition-fast);
}

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

.footer__social-links {
  display: flex;
  gap: var(--space-md);
}

.footer__social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.6);
  transition: all var(--transition-base);
}

.footer__social-link:hover {
  background: var(--color-gold);
  color: var(--color-green-dark);
  transform: translateY(-3px);
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-xs);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer__legal {
  color: rgba(255,255,255,0.35);
}

/* ==============================================
   18. BOTÓN WHATSAPP FLOTANTE
   ============================================== */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: var(--z-whatsapp);
  width: 60px;
  height: 60px;
  background: #25d366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37,211,102,0.4);
  transition: all var(--transition-base);
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 8px 30px rgba(37,211,102,0.5);
}

.whatsapp-float__pulse {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid #25d366;
  animation: whatsappPulse 2s ease-in-out infinite;
}

@keyframes whatsappPulse {
  0% { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* ==============================================
   18b. BOTÓN VOLVER ARRIBA
   ============================================== */
.back-to-top {
  position: fixed;
  bottom: 100px;
  right: 30px;
  z-index: var(--z-whatsapp);
  width: 48px;
  height: 48px;
  background: var(--color-gold);
  color: var(--color-green-dark);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(201,168,76,0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-gold-light);
  transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(201,168,76,0.5);
}

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

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }
}

/* ==============================================
   20. RESPONSIVE - MOBILE
   ============================================== */
@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 350px;
    height: 100vh;
    background: var(--color-green-dark);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px var(--space-2xl) var(--space-2xl);
    gap: 0;
    transition: right var(--transition-base);
    box-shadow: -10px 0 40px rgba(0,0,0,0.3);
    overflow-y: auto;
  }

  .nav__menu.active {
    right: 0;
  }

  .nav__menu li {
    width: 100%;
  }

  .nav__link {
    display: block;
    padding: var(--space-md) 0;
    font-size: var(--fs-lg);
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  .nav__link--cta {
    margin-top: var(--space-lg);
    text-align: center;
  }

  /* Overlay del menú móvil */
  .nav__menu::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: -1;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

  .nav__menu.active::before {
    opacity: 1;
    visibility: visible;
  }

  .hero__content {
    padding-top: 120px;
  }

  .hero__stats {
    gap: var(--space-lg);
  }

  .hero__stat-divider {
    height: 30px;
  }

  .hero__scroll {
    display: none;
  }

  .sobre__grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .sobre__content {
    padding-left: 0;
  }

  .sobre__img-main img {
    height: 350px;
  }

  .sobre__img-secondary {
    display: none;
  }

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

  .avance__content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    text-align: center;
  }

  .section__label {
    display: block;
    padding-left: 0;
    text-align: center;
  }

  .section__label::before {
    display: none;
  }

  .avance__progress {
    align-items: center;
  }

  .galeria__grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .galeria__item--wide {
    grid-column: span 1;
  }

  .ubicacion__grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

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

  .contacto__grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 55px;
    height: 55px;
  }

  .back-to-top {
    bottom: 85px;
    right: 20px;
    width: 44px;
    height: 44px;
  }
}

/* Mobile pequeño */
@media (max-width: 480px) {
  .hero__title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .hero__stats {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .hero__stat-divider {
    width: 40px;
    height: 1px;
  }

  .hero__actions {
    flex-direction: column;
    gap: var(--space-md);
  }

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

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

/* ==============================================
   21. MEJORA DE ACCESIBILIDAD - FOCUS VISIBLE
   ============================================== */
*:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

/* ==============================================
   22. ANIMACIONES REDUCIDAS (prefers-reduced-motion)
   ============================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }
}