/* =============================================
   CASASPREFAB LATAM — Premium Stylesheet
   ============================================= */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #eff6ff;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --dark: #0a0f1e;
  --dark2: #1e2840;
  --text: #1e293b;
  --gray: #64748b;
  --gray-light: #f8fafc;
  --gray-border: #e2e8f0;
  --white: #ffffff;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 8px 24px rgba(0,0,0,.07);
  --shadow-lg: 0 4px 6px rgba(0,0,0,.04), 0 20px 60px rgba(0,0,0,.13);
  --shadow-xl: 0 25px 80px rgba(0,0,0,.18);
  --transition: .22s cubic-bezier(.4,0,.2,1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  letter-spacing: -.01em;
}
.btn--primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(37,99,235,.3);
}
.btn--primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,99,235,.4);
}
.btn--primary:active { transform: translateY(0); }
.btn--outline {
  background: rgba(255,255,255,.1);
  color: var(--white);
  border-color: rgba(255,255,255,.4);
  backdrop-filter: blur(8px);
}
.btn--outline:hover {
  background: rgba(255,255,255,.2);
  border-color: rgba(255,255,255,.7);
}
.btn--white {
  background: var(--white);
  color: var(--primary);
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(0,0,0,.15);
}
.btn--white:hover { background: #f0f4ff; transform: translateY(-2px); }
.btn--full { width: 100%; }
.btn--lg { padding: 17px 36px; font-size: 16px; border-radius: 12px; }

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  transition: all var(--transition);
}
.header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(226,232,240,.8);
  transition: all var(--transition);
}
.header.scrolled::before {
  box-shadow: 0 4px 30px rgba(0,0,0,.08);
}
.header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  color: var(--dark);
  letter-spacing: -.03em;
}
.logo__icon { font-size: 26px; }
.logo__text span { color: var(--primary); }
.logo--white { color: var(--white); }
.logo--white .logo__text span { color: var(--accent); }

/* Nav */
.nav {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav a {
  padding: 8px 15px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray);
  transition: all var(--transition);
}
.nav a:hover { background: var(--gray-light); color: var(--primary); }
.nav__cta {
  background: var(--primary) !important;
  color: var(--white) !important;
  padding: 9px 20px !important;
  font-weight: 600 !important;
  box-shadow: 0 3px 10px rgba(37,99,235,.25);
}
.nav__cta:hover {
  background: var(--primary-dark) !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(37,99,235,.35) !important;
}

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  position: relative;
  z-index: 1;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 100px 0 70px;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1570129477492-45c003edd2be?w=1920&q=85');
  background-size: cover;
  background-position: center 40%;
  transform: scale(1.03);
  transition: transform 8s ease;
}
.hero:hover::before { transform: scale(1); }
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10,15,30,.88) 0%,
    rgba(29,78,216,.65) 60%,
    rgba(37,99,235,.45) 100%
  );
}
/* Decorative glow */
.hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  right: -80px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(245,158,11,.18) 0%, transparent 70%);
  pointer-events: none;
}
.hero__content {
  position: relative;
  z-index: 1;
  max-width: 820px;
  color: var(--white);
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
  letter-spacing: .02em;
}
.hero__title {
  font-size: clamp(38px, 6.5vw, 70px);
  font-weight: 800;
  line-height: 1.07;
  margin-bottom: 22px;
  letter-spacing: -2px;
  text-shadow: 0 2px 20px rgba(0,0,0,.3);
}
.hero__title em {
  font-style: normal;
  background: linear-gradient(135deg, #f59e0b, #fbbf24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__subtitle {
  font-size: clamp(16px, 2vw, 19px);
  opacity: .85;
  margin-bottom: 40px;
  max-width: 580px;
  line-height: 1.75;
  font-weight: 400;
}
.hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}
.hero__stats {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,.15);
  padding-top: 36px;
}
.stat {
  padding-right: 40px;
  margin-right: 40px;
  border-right: 1px solid rgba(255,255,255,.15);
}
.stat:last-child { border-right: none; padding-right: 0; margin-right: 0; }
.stat strong {
  display: block;
  font-size: 30px;
  font-weight: 800;
  background: linear-gradient(135deg, #f59e0b, #fcd34d);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
}
.stat span { font-size: 12px; opacity: .6; text-transform: uppercase; letter-spacing: .08em; margin-top: 2px; display: block; }

/* ===== SECTIONS ===== */
.section { padding: 100px 0; }
.section__header { text-align: center; margin-bottom: 64px; }
.section__header .label {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 5px 16px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section__header h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -1.5px;
  line-height: 1.15;
  color: var(--dark);
}
.section__header p {
  font-size: 17px;
  color: var(--gray);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.75;
}

/* ===== VENTAJAS ===== */
.ventajas { background: var(--gray-light); }
.ventajas__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ventaja-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 30px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-border);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.ventaja-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.ventaja-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.ventaja-card:hover::before { transform: scaleX(1); }
.ventaja-card__icon {
  width: 56px;
  height: 56px;
  background: var(--primary-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
}
.ventaja-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; color: var(--dark); }
.ventaja-card p { font-size: 14px; color: var(--gray); line-height: 1.75; }

/* ===== VIDEO ===== */
.video-section {
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
.video-section::before {
  content: '';
  position: absolute;
  top: -200px;
  left: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,.15) 0%, transparent 70%);
  pointer-events: none;
}
.video-section::after {
  content: '';
  position: absolute;
  bottom: -150px;
  right: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(245,158,11,.1) 0%, transparent 70%);
  pointer-events: none;
}
.video-section .section__header { position: relative; z-index: 1; }
.video-section .section__header .label { background: rgba(37,99,235,.2); color: #93c5fd; }
.video-section .section__header h2 { color: var(--white); }
.video-section .section__header p { color: rgba(255,255,255,.55); }
.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255,255,255,.08);
  z-index: 1;
}
.video-wrapper iframe { position: absolute; inset: 0; width: 100%; height: 100%; }

/* ===== MODELOS ===== */
.modelos__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }

.modelo-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-border);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}
.modelo-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.modelo-card--popular {
  border-color: var(--primary);
  border-width: 2px;
}
.modelo-card__badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--primary);
  color: var(--white);
  padding: 5px 13px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  z-index: 2;
  box-shadow: 0 2px 10px rgba(37,99,235,.4);
}
.modelo-card__img {
  height: 210px;
  background-size: cover;
  background-position: center;
  position: relative;
  flex-shrink: 0;
}
.modelo-card__img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(0,0,0,.25) 100%);
}
.modelo-card__body {
  padding: 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.modelo-card__tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.modelo-card h3 { font-size: 20px; font-weight: 800; margin-bottom: 8px; color: var(--dark); letter-spacing: -.03em; }
.modelo-card > .modelo-card__body > p { font-size: 14px; color: var(--gray); margin-bottom: 18px; line-height: 1.6; }
.modelo-card__specs { margin-bottom: 22px; flex: 1; }
.modelo-card__specs li {
  font-size: 13px;
  color: var(--text);
  padding: 7px 0;
  border-bottom: 1px solid var(--gray-border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.modelo-card__specs li:last-child { border-bottom: none; }
.modelo-card__price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 16px;
  padding: 14px;
  background: var(--gray-light);
  border-radius: var(--radius-sm);
}
.price__from { font-size: 13px; color: var(--gray); }
.price__amount { font-size: 28px; font-weight: 800; color: var(--primary); letter-spacing: -1px; }

/* ===== GALERIA ===== */
.galeria { background: var(--gray-light); }
.galeria__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 260px);
  gap: 14px;
  border-radius: var(--radius);
  overflow: hidden;
}
.galeria__item {
  background-size: cover;
  background-position: center;
  transition: transform .5s cubic-bezier(.4,0,.2,1), filter .3s ease;
  cursor: pointer;
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}
.galeria__item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(0,0,0,.45));
  opacity: 0;
  transition: opacity .3s ease;
}
.galeria__item:hover { transform: scale(1.02); filter: brightness(1.05); }
.galeria__item:hover::after { opacity: 1; }
.galeria__item:first-child { grid-row: span 2; }

/* ===== PROCESO ===== */
.proceso { background: var(--white); }
.proceso__steps {
  display: flex;
  align-items: stretch;
  gap: 0;
  justify-content: center;
  position: relative;
}
.proceso__steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  z-index: 0;
}
.paso {
  flex: 1;
  text-align: center;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}
.paso__num {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  margin: 0 auto 20px;
  box-shadow: 0 4px 16px rgba(37,99,235,.35);
  border: 3px solid var(--white);
}
.paso h3 { font-size: 16px; font-weight: 700; margin-bottom: 10px; color: var(--dark); }
.paso p { font-size: 13px; color: var(--gray); line-height: 1.7; }
.paso__arrow { display: none; }

/* ===== TESTIMONIOS ===== */
.testimonios { background: linear-gradient(135deg, var(--dark) 0%, var(--dark2) 100%); position: relative; overflow: hidden; }
.testimonios::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(37,99,235,.12) 0%, transparent 70%);
  pointer-events: none;
}
.testimonios .section__header h2 { color: var(--white); }
.testimonios .section__header p { color: rgba(255,255,255,.5); }
.testimonios .section__header .label { background: rgba(37,99,235,.2); color: #93c5fd; }
.testimonios__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; position: relative; z-index: 1; }
.testimonio-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 32px;
  backdrop-filter: blur(10px);
  transition: all var(--transition);
}
.testimonio-card:hover {
  background: rgba(255,255,255,.09);
  transform: translateY(-4px);
  border-color: rgba(255,255,255,.18);
}
.testimonio-card__stars { font-size: 18px; color: var(--accent); margin-bottom: 16px; letter-spacing: 2px; }
.testimonio-card p {
  font-size: 15px;
  color: rgba(255,255,255,.8);
  line-height: 1.8;
  margin-bottom: 24px;
  font-style: italic;
}
.testimonio-card__author { display: flex; align-items: center; gap: 12px; }
.author__avatar {
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}
.testimonio-card__author strong { display: block; font-size: 15px; font-weight: 700; color: var(--white); }
.testimonio-card__author span { font-size: 12px; color: rgba(255,255,255,.45); }

/* ===== FAQ ===== */
.faq { background: var(--gray-light); }
.faq__list { max-width: 800px; margin: 0 auto; }
.faq__item {
  background: var(--white);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  border: 1px solid var(--gray-border);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.faq__item.open {
  box-shadow: 0 4px 20px rgba(37,99,235,.1);
  border-color: rgba(37,99,235,.2);
}
.faq__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--dark);
  text-align: left;
  gap: 16px;
  transition: color var(--transition);
  font-family: var(--font);
}
.faq__question:hover { color: var(--primary); }
.faq__icon {
  width: 28px;
  height: 28px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 300;
  flex-shrink: 0;
  transition: transform var(--transition), background var(--transition);
}
.faq__item.open .faq__icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: var(--white);
}
.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
}
.faq__item.open .faq__answer { max-height: 300px; padding-bottom: 20px; }
.faq__answer p { font-size: 14px; color: var(--gray); line-height: 1.8; padding: 0 24px; }

/* ===== CTA BANNER ===== */
.cta-banner {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #2563eb 100%);
  padding: 90px 0;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245,158,11,.18) 0%, transparent 60%);
  pointer-events: none;
}
.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,.05) 0%, transparent 60%);
  pointer-events: none;
}
.cta-banner__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.cta-banner h2 {
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 10px;
  letter-spacing: -1px;
}
.cta-banner p { font-size: 16px; color: rgba(255,255,255,.7); }

/* ===== CONTACTO ===== */
.contacto { background: var(--gray-light); }
.contacto__inner {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 52px;
  align-items: start;
}
.contacto__form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 44px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-border);
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form__group { display: flex; flex-direction: column; gap: 7px; margin-bottom: 18px; }
.form__group label { font-size: 13px; font-weight: 600; color: var(--dark2); letter-spacing: .02em; }
.form__group input,
.form__group select,
.form__group textarea {
  padding: 13px 16px;
  border: 1.5px solid var(--gray-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  transition: all var(--transition);
  outline: none;
}
.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37,99,235,.09);
}
.form__group input::placeholder,
.form__group textarea::placeholder { color: #b0bac6; }
.form__group select { cursor: pointer; }
.form__group textarea { resize: vertical; min-height: 110px; }
.form__disclaimer {
  font-size: 12px;
  color: var(--gray);
  text-align: center;
  margin-top: 14px;
  line-height: 1.7;
}
.form__disclaimer a { color: var(--primary); text-decoration: underline; }
.form__disclaimer a:hover { color: var(--primary-dark); }

.contacto__info {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 36px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-border);
  position: sticky;
  top: 100px;
}
.contacto__info h3 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 30px;
  color: var(--dark);
  letter-spacing: -.03em;
}
.info__item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--gray-border);
}
.info__item:last-of-type { border-bottom: none; }
.info__icon {
  font-size: 20px;
  flex-shrink: 0;
  margin-top: 1px;
  width: 42px;
  height: 42px;
  background: var(--primary-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.info__item strong { display: block; font-size: 13px; font-weight: 700; margin-bottom: 4px; color: var(--dark); }
.info__item p { font-size: 14px; color: var(--gray); line-height: 1.6; }
.info__badge {
  background: linear-gradient(135deg, #dcfce7, #bbf7d0);
  border: 1px solid #86efac;
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-top: 4px;
}
.info__badge p { font-size: 13px; font-weight: 700; color: #15803d; }

/* ===== FOOTER ===== */
.footer { background: var(--dark); color: rgba(255,255,255,.6); }
.footer__inner {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1fr;
  gap: 48px;
  padding: 70px 0 48px;
}
.footer__col > .logo { margin-bottom: 16px; }
.footer__col > p { font-size: 14px; line-height: 1.85; color: rgba(255,255,255,.4); max-width: 260px; }
.footer__col h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 18px;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.footer__col ul li { margin-bottom: 9px; }
.footer__col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,.45);
  transition: color var(--transition);
}
.footer__col ul li a:hover { color: var(--white); }
.footer__col ul li:not(:has(a)) { font-size: 14px; color: rgba(255,255,255,.4); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.07);
  padding: 28px 0;
  text-align: center;
}
.footer__bottom p { font-size: 12px; color: rgba(255,255,255,.3); line-height: 1.9; }

/* ===== MODAL ===== */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(10,15,30,.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
  padding: 20px;
  backdrop-filter: blur(4px);
}
.modal--open { opacity: 1; pointer-events: all; }
.modal__box {
  background: var(--white);
  border-radius: var(--radius);
  padding: 52px 44px;
  max-width: 460px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-xl);
  transform: scale(.94) translateY(10px);
  transition: transform .3s cubic-bezier(.34,1.56,.64,1);
}
.modal--open .modal__box { transform: scale(1) translateY(0); }
.modal__icon { font-size: 56px; margin-bottom: 18px; }
.modal__box h3 { font-size: 24px; font-weight: 800; margin-bottom: 12px; letter-spacing: -.03em; }
.modal__box p { font-size: 15px; color: var(--gray); line-height: 1.75; margin-bottom: 28px; }

/* ===== SCROLL ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .ventajas__grid { grid-template-columns: repeat(2, 1fr); }
  .modelos__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 900px) {
  .contacto__inner { grid-template-columns: 1fr; }
  .contacto__info { position: static; }
  .testimonios__grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
}

@media (max-width: 768px) {
  .nav {
    display: none;
    flex-direction: column;
    position: fixed;
    inset: 72px 0 0;
    background: rgba(255,255,255,.98);
    backdrop-filter: blur(20px);
    padding: 24px;
    gap: 4px;
    overflow-y: auto;
    border-top: 1px solid var(--gray-border);
    z-index: 999;
  }
  .nav.open { display: flex; }
  .nav a { padding: 14px 18px; font-size: 16px; border-radius: 10px; }
  .burger { display: flex; }

  .hero__stats { gap: 0; }
  .stat { padding-right: 24px; margin-right: 24px; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }

  .proceso__steps { flex-direction: column; align-items: center; max-width: 360px; margin: 0 auto; }
  .proceso__steps::before { display: none; }
  .paso { max-width: 100%; width: 100%; }

  .galeria__grid { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .galeria__item { height: 200px; }
  .galeria__item:first-child { grid-row: span 1; }

  .form__row { grid-template-columns: 1fr; }
  .cta-banner__inner { flex-direction: column; text-align: center; }
  .footer__inner { grid-template-columns: 1fr; gap: 28px; padding: 48px 0 32px; }
  .footer__col > p { max-width: 100%; }
  .ventajas__grid { grid-template-columns: 1fr; }
  .modelos__grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .section { padding: 70px 0; }
  .contacto__form { padding: 28px 20px; }
  .galeria__grid { grid-template-columns: 1fr; }
  .galeria__item { height: 230px; border-radius: 10px; }
  .hero__stats { gap: 20px; }
  .stat { border: none; padding: 0; margin: 0; }
  .modal__box { padding: 36px 24px; }
}