/* ================================================
   ZENTHERA ENERGÍA — Stylesheet v1.0
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ── Variables ────────────────────────────────── */
:root {
  --primary:      #0D1B2A;
  --primary-soft: #152235;
  --green:        #27AE60;
  --green-dark:   #1E8449;
  --green-light:  #D5F5E3;
  --teal:         #00897B;
  --teal-light:   #E0F2F1;
  --blue:         #1565C0;
  --blue-light:   #E3F0FB;
  --white:        #FFFFFF;
  --light:        #F4F9F6;
  --light-gray:   #F8FAFC;
  --border:       #E2E8F0;
  --gray:         #64748B;
  --dark:         #1E293B;
  --shadow:       0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
  --shadow-lg:    0 20px 40px rgba(0,0,0,.12);
  --shadow-xl:    0 25px 60px rgba(0,0,0,.18);
  --radius:       14px;
  --radius-sm:    8px;
  --radius-lg:    24px;
  --transition:   all .3s cubic-bezier(.4,0,.2,1);
  --gradient:     linear-gradient(135deg, var(--green) 0%, var(--teal) 100%);
  --gradient-dark:linear-gradient(135deg, #0D1B2A 0%, #152235 50%, #0a2415 100%);
}

/* ── Reset ────────────────────────────────────── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; }
body {
  font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  color:var(--dark);
  line-height:1.6;
  overflow-x:hidden;
  background:var(--white);
}
img { max-width:100%; height:auto; display:block; }
a { text-decoration:none; color:inherit; }
ul { list-style:none; }
button { cursor:pointer; border:none; background:none; font-family:inherit; }

/* ── Typography ───────────────────────────────── */
h1,h2,h3,h4,h5 { font-weight:700; line-height:1.2; color:var(--primary); }
h1 { font-size:clamp(2rem,5vw,3.5rem); }
h2 { font-size:clamp(1.6rem,4vw,2.6rem); }
h3 { font-size:clamp(1.2rem,3vw,1.6rem); }
h4 { font-size:1.15rem; }
p  { color:var(--gray); line-height:1.75; }

.highlight { color:var(--green); }
.highlight-teal { color:var(--teal); }

/* ── Layout ───────────────────────────────────── */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:96px 0; }
.section-sm { padding:64px 0; }
.section-dark { background:var(--primary); }
.section-light { background:var(--light); }
.section-teal-bg { background:var(--teal-light); }

.section-header { text-align:center; max-width:720px; margin:0 auto 64px; }
.section-header p { font-size:1.1rem; margin-top:16px; }

.badge {
  display:inline-flex; align-items:center; gap:8px;
  background:var(--green-light); color:var(--green-dark);
  padding:6px 16px; border-radius:100px; font-size:.85rem; font-weight:600;
  margin-bottom:20px; letter-spacing:.02em;
}
.badge-teal {
  background:var(--teal-light); color:var(--teal);
}

/* ── Grid helpers ─────────────────────────────── */
.grid-2 { display:grid; grid-template-columns:repeat(2,1fr); gap:32px; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:32px; }
.grid-4 { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }

/* ── Buttons ──────────────────────────────────── */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:14px 32px; border-radius:100px; font-size:1rem; font-weight:600;
  transition:var(--transition); cursor:pointer; border:2px solid transparent;
  white-space:nowrap;
}
.btn-primary {
  background:var(--gradient); color:var(--white);
  box-shadow:0 4px 20px rgba(39,174,96,.35);
}
.btn-primary:hover {
  transform:translateY(-2px);
  box-shadow:0 8px 30px rgba(39,174,96,.5);
}
.btn-outline {
  background:transparent; color:var(--white);
  border-color:rgba(255,255,255,.5);
}
.btn-outline:hover {
  background:rgba(255,255,255,.1);
  border-color:var(--white);
}
.btn-outline-dark {
  background:transparent; color:var(--primary);
  border-color:var(--border);
}
.btn-outline-dark:hover {
  background:var(--primary); color:var(--white);
  border-color:var(--primary);
}
.btn-white {
  background:var(--white); color:var(--primary);
}
.btn-white:hover {
  transform:translateY(-2px);
  box-shadow:var(--shadow-lg);
}
.btn-lg { padding:18px 40px; font-size:1.1rem; }
.btn-sm { padding:10px 22px; font-size:.9rem; }

/* ── Navigation ───────────────────────────────── */
.navbar {
  position:fixed; top:0; left:0; right:0; z-index:1000;
  background:rgba(13,27,42,.95);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:var(--transition);
}
.navbar.scrolled {
  background:rgba(13,27,42,.98);
  box-shadow:0 4px 20px rgba(0,0,0,.3);
}
.nav-inner {
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 24px; max-width:1200px; margin:0 auto; gap:8px;
}
.nav-logo {
  display:flex; align-items:center; gap:10px; flex-shrink:0;
}
.nav-logo img {
  height:38px; width:auto;
}
.nav-logo-text {
  display:flex; flex-direction:column; line-height:1.1;
}
.nav-logo-text strong {
  font-size:1.05rem; font-weight:800; color:var(--white);
  letter-spacing:-.01em; white-space:nowrap;
}
.nav-logo-text span {
  font-size:.65rem; color:var(--green); font-weight:500;
  text-transform:uppercase; letter-spacing:.1em;
}
.nav-links {
  display:flex; align-items:center; gap:2px;
}
.nav-links a {
  color:rgba(255,255,255,.8); font-size:.85rem; font-weight:500;
  padding:7px 10px; border-radius:8px; transition:var(--transition);
  white-space:nowrap;
}
.nav-links a:hover,
.nav-links a.active {
  color:var(--white); background:rgba(255,255,255,.08);
}
.nav-cta { display:flex; align-items:center; gap:40px; flex-shrink:0; }
.nav-phone {
  color:var(--green); font-weight:600; font-size:.85rem;
  display:flex; align-items:center; gap:6px; white-space:nowrap;
}
.nav-phone:hover { color:var(--teal); }

/* Hamburger */
.hamburger {
  display:none; flex-direction:column; gap:5px;
  background:none; border:none; cursor:pointer; padding:4px;
}
.hamburger span {
  display:block; width:24px; height:2px;
  background:var(--white); border-radius:2px; transition:var(--transition);
}
.hamburger.open span:nth-child(1) { transform:translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity:0; }
.hamburger.open span:nth-child(3) { transform:translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display:none; position:fixed; top:76px; left:0; right:0;
  background:var(--primary); z-index:999;
  padding:24px; border-top:1px solid rgba(255,255,255,.08);
  flex-direction:column; gap:8px;
}
.mobile-menu.open { display:flex; }
.mobile-menu a {
  color:rgba(255,255,255,.85); font-size:1rem; font-weight:500;
  padding:14px 16px; border-radius:10px; transition:var(--transition);
}
.mobile-menu a:hover { background:rgba(255,255,255,.08); color:var(--white); }
.mobile-menu .btn { margin-top:8px; width:100%; }

/* ── Hero ─────────────────────────────────────── */
.hero {
  min-height:100vh; display:flex; align-items:center;
  background:var(--gradient-dark);
  position:relative; overflow:hidden; padding-top:96px;
}

/* Video de fondo */
.hero-video {
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover;
  z-index:0;
  pointer-events:none;
  will-change:transform;
}

/* Overlay oscuro sobre el video */
.hero-video-overlay {
  position:absolute; inset:0;
  background:rgba(0,20,40,.6);
  z-index:1;
}

/* Gradiente de color de marca sobre el overlay */
.hero-video-overlay::after {
  content:''; position:absolute; inset:0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 50%, rgba(39,174,96,.1) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 10% 80%, rgba(0,137,123,.08) 0%, transparent 60%);
}

.hero-grid-pattern {
  position:absolute; inset:0; opacity:.03; z-index:2;
  background-image:linear-gradient(rgba(255,255,255,.3) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(255,255,255,.3) 1px, transparent 1px);
  background-size:50px 50px;
}

/* En móvil el video se mantiene visible */
@media (max-width:768px) {
  .hero-video { display:block; }
  .hero { background:var(--gradient-dark); }
}

.hero-content {
  position:relative; z-index:3;
  max-width:860px;
  margin:0 auto;
  text-align:center;
}
.hero-content h1 { color:var(--white); margin-bottom:20px; }
.hero-content p {
  color:rgba(255,255,255,.75); font-size:1.2rem;
  max-width:640px; margin:0 auto 36px;
}
.hero-ctas {
  display:flex; gap:16px; flex-wrap:wrap; margin-bottom:20px;
  justify-content:center;
}
.hero-stats {
  display:flex; gap:40px; flex-wrap:wrap;
  padding-top:16px;
  border-top:1px solid rgba(255,255,255,.12);
  justify-content:center;
}
.stat-item { text-align:center; }
.stat-number {
  display:block; font-size:2rem; font-weight:800;
  color:var(--white); line-height:1;
}
.stat-number span { color:var(--green); }
.stat-label { font-size:.82rem; color:rgba(255,255,255,.55); margin-top:6px; display:block; text-align:center; }

/* Hero service page */
.hero-service {
  min-height:70vh; display:flex; align-items:center;
  position:relative; overflow:hidden; padding-top:76px;
}
.hero-service .hero-image {
  position:absolute; inset:0;
}
.hero-service .hero-image img {
  width:100%; height:100%; object-fit:cover;
}
.hero-service .hero-overlay {
  position:absolute; inset:0;
  background:linear-gradient(90deg, rgba(13,27,42,.9) 50%, rgba(13,27,42,.3) 100%);
}
.hero-service .hero-content { position:relative; z-index:1; }

/* ── Service Cards ─────────────────────────────── */
.service-cards { display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.service-card {
  background:var(--white); border-radius:var(--radius);
  overflow:hidden; box-shadow:var(--shadow);
  transition:var(--transition); border:1px solid var(--border);
}
.service-card:hover {
  transform:translateY(-6px); box-shadow:var(--shadow-xl);
}
.service-card-image {
  height:220px; overflow:hidden; position:relative;
}
.service-card-image img {
  width:100%; height:100%; object-fit:cover;
  transition:transform .5s ease;
}
.service-card-image::after {
  content:''; position:absolute; inset:0;
  background:rgba(27,94,32,.45);
  pointer-events:none;
}
.service-card:hover .service-card-image img { transform:scale(1.05); }
.service-card-badge-wrap {
  display:flex; justify-content:center;
  padding:12px 0 0;
}
.service-card-badge {
  background:var(--gradient); color:var(--white);
  font-size:.78rem; font-weight:700; padding:5px 16px;
  border-radius:100px; letter-spacing:.03em;
  white-space:nowrap; box-shadow:0 2px 12px rgba(0,0,0,.2);
}
.service-card-body { padding:28px; }
.service-card-icon {
  width:48px; height:48px; border-radius:12px;
  background:var(--green-light);
  display:flex; align-items:center; justify-content:center;
  font-size:1.4rem; margin-bottom:16px;
}
.service-card-body h3 { margin-bottom:10px; font-size:1.25rem; }
.service-card-body p { font-size:.92rem; margin-bottom:20px; }
.service-card-features { display:flex; flex-direction:column; gap:8px; margin-bottom:24px; }
.service-card-features li {
  display:flex; align-items:center; gap:10px;
  font-size:.88rem; color:var(--dark); font-weight:500;
}
.service-card-features li::before {
  content:'✓';
  min-width:22px; height:22px; border-radius:50%;
  background:var(--green-light); color:var(--green-dark);
  display:flex; align-items:center; justify-content:center;
  font-size:.75rem; font-weight:700;
}

/* ── Feature / Benefit Cards ──────────────────── */
.feature-card {
  background:var(--white); border-radius:var(--radius);
  padding:0; border:1px solid var(--border);
  box-shadow:var(--shadow); transition:var(--transition);
  overflow:hidden; display:flex; flex-direction:column;
}
.feature-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-lg); }
.feature-card h3 { margin-bottom:10px; font-size:1.1rem; padding:0 24px; }
.feature-card p  { font-size:.92rem; padding:0 24px 24px; }

/* Icono grande centrado (SVG) */
.feature-icon {
  width:100%; height:160px; flex-shrink:0;
  border-radius:var(--radius) var(--radius) 0 0;
  margin-bottom:20px;
  display:flex; align-items:center; justify-content:center;
}
.feature-icon.green { background:linear-gradient(135deg,var(--green-light) 0%,#fff 100%); color:var(--green-dark); }
.feature-icon.teal  { background:linear-gradient(135deg,var(--teal-light) 0%,#fff 100%); color:var(--teal); }
.feature-icon.blue  { background:linear-gradient(135deg,var(--blue-light) 0%,#fff 100%); color:var(--blue); }
.feature-icon svg   { width:72px; height:72px; }
@media (max-width:768px) { .feature-icon { height:130px; } .feature-icon svg { width:58px; height:58px; } }

/* Imagen individual por tarjeta */
.feature-img {
  width:100%; height:200px; flex-shrink:0;
  background:transparent;
  border-radius:var(--radius) var(--radius) 0 0;
  overflow:hidden; margin-bottom:20px;
}
.feature-img img {
  width:100%; height:100%;
  object-fit:cover; object-position:center;
}
@media (max-width:768px) {
  .feature-img { height:160px; }
}

/* ── Stats strip ──────────────────────────────── */
.stats-strip {
  background:var(--gradient); color:var(--white); padding:56px 0;
}
.stats-strip .grid-4 { align-items:center; }
.stats-item { text-align:center; }
.stats-number {
  font-size:2.8rem; font-weight:800; line-height:1;
  display:block; margin-bottom:8px;
}
.stats-label { font-size:.88rem; opacity:.85; font-weight:500; }

/* ── CTA Strip ────────────────────────────────── */
.cta-strip {
  background:var(--primary); padding:80px 0;
  text-align:center; position:relative; overflow:hidden;
}
.cta-strip::before {
  content:''; position:absolute; inset:0;
  background:radial-gradient(ellipse 60% 80% at 50% 50%, rgba(39,174,96,.08) 0%, transparent 70%);
}
.cta-strip h2 { color:var(--white); margin-bottom:16px; }
.cta-strip p { color:rgba(255,255,255,.7); font-size:1.1rem; max-width:580px; margin:0 auto 36px; }
.cta-strip .ctas { display:flex; gap:16px; justify-content:center; flex-wrap:wrap; position:relative; }

/* ── How it works ─────────────────────────────── */
.steps { display:grid; grid-template-columns:repeat(4,1fr); gap:32px; position:relative; }
.steps::before {
  content:''; position:absolute; top:40px; left:calc(12.5% + 20px); right:calc(12.5% + 20px);
  height:2px; background:var(--gradient); z-index:0;
}
.step { text-align:center; position:relative; z-index:1; }
.step-number {
  width:80px; height:80px; border-radius:50%;
  background:var(--gradient); color:var(--white);
  font-size:1.6rem; font-weight:800;
  display:flex; align-items:center; justify-content:center;
  margin:0 auto 20px; box-shadow:0 8px 20px rgba(39,174,96,.3);
}
.step h3 { margin-bottom:10px; }
.step p { font-size:.92rem; }

/* ── Savings calculator card ──────────────────── */
.savings-box {
  background:var(--gradient); border-radius:var(--radius-lg);
  padding:48px; color:var(--white); position:relative; overflow:hidden;
}
.savings-box::after {
  content:''; position:absolute; right:-40px; top:-40px;
  width:200px; height:200px; border-radius:50%;
  background:rgba(255,255,255,.06);
}
.savings-box h3 { color:var(--white); font-size:1.6rem; margin-bottom:24px; }
.savings-list { display:flex; flex-direction:column; gap:16px; }
.savings-item {
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 18px; background:rgba(255,255,255,.1);
  border-radius:10px;
}
.savings-item span:first-child { font-weight:500; }
.savings-item strong { font-size:1.2rem; font-weight:800; }

/* ── Testimonials ─────────────────────────────── */
.testimonial-card {
  background:var(--white); border-radius:var(--radius);
  padding:32px; border:1px solid var(--border);
  box-shadow:var(--shadow);
}
.testimonial-stars { color:#F59E0B; font-size:1.1rem; margin-bottom:14px; }
.testimonial-text { font-size:.95rem; color:var(--dark); line-height:1.7; margin-bottom:20px; }
.testimonial-author { display:flex; align-items:center; gap:14px; }
.testimonial-avatar {
  width:46px; height:46px; border-radius:50%;
  background:var(--gradient); color:var(--white);
  display:flex; align-items:center; justify-content:center;
  font-size:1.1rem; font-weight:700; flex-shrink:0;
}
.testimonial-name { font-weight:700; font-size:.92rem; color:var(--primary); }
.testimonial-location { font-size:.8rem; color:var(--gray); }

/* ── Contact Form ─────────────────────────────── */
.contact-form {
  background:var(--white); border-radius:var(--radius-lg);
  padding:48px; box-shadow:var(--shadow-xl); border:1px solid var(--border);
}
.form-group { margin-bottom:20px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:20px; }
label {
  display:block; font-size:.88rem; font-weight:600;
  color:var(--primary); margin-bottom:8px;
}
input, select, textarea {
  width:100%; padding:14px 18px;
  border:1.5px solid var(--border); border-radius:10px;
  font-size:.95rem; font-family:inherit; color:var(--dark);
  background:var(--light-gray); transition:var(--transition);
  outline:none;
}
input:focus, select:focus, textarea:focus {
  border-color:var(--green); background:var(--white);
  box-shadow:0 0 0 3px rgba(39,174,96,.12);
}
textarea { resize:vertical; min-height:120px; }
select { appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 14px center; padding-right:40px; }
.form-submit { width:100%; margin-top:8px; }
.form-legal { font-size:.8rem; color:var(--gray); margin-top:14px; text-align:center; }
.form-legal a { color:var(--green); text-decoration:underline; }

/* Form success message */
.form-success {
  display:none; background:var(--green-light); color:var(--green-dark);
  border-radius:10px; padding:16px 20px; text-align:center;
  font-weight:600; margin-top:16px;
}

/* ── Contact Info ─────────────────────────────── */
.contact-info-card {
  background:var(--primary); border-radius:var(--radius-lg);
  padding:40px; color:var(--white); height:100%;
}
.contact-info-card h3 { color:var(--white); margin-bottom:32px; }
.contact-item {
  display:flex; align-items:flex-start; gap:16px;
  margin-bottom:28px;
}
.contact-item-icon {
  width:44px; height:44px; border-radius:12px;
  background:rgba(39,174,96,.15); color:var(--green);
  display:flex; align-items:center; justify-content:center;
  font-size:1.1rem; flex-shrink:0;
}
.contact-item-text strong { display:block; color:var(--white); font-size:.92rem; margin-bottom:4px; }
.contact-item-text span { color:rgba(255,255,255,.65); font-size:.88rem; }

/* ── Projects ─────────────────────────────────── */
.project-card {
  background:var(--white); border-radius:var(--radius);
  overflow:hidden; box-shadow:var(--shadow); border:1px solid var(--border);
  transition:var(--transition);
}
.project-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-lg); }
.project-card-image { height:240px; overflow:hidden; position:relative; }
.project-card-image img { width:100%; height:100%; object-fit:cover; }
.project-tag {
  position:absolute; top:16px; right:16px;
  background:var(--gradient); color:var(--white);
  font-size:.78rem; font-weight:700; padding:5px 12px; border-radius:100px;
}
.project-card-body { padding:28px; }
.project-card-body h3 { margin-bottom:8px; font-size:1.1rem; }
.project-card-body p { font-size:.88rem; margin-bottom:20px; }
.project-stats { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; }
.project-stat { text-align:center; padding:12px; background:var(--light); border-radius:8px; }
.project-stat strong { display:block; font-size:1.1rem; color:var(--green-dark); font-weight:800; }
.project-stat span { font-size:.75rem; color:var(--gray); }

/* ── Blog ─────────────────────────────────────── */
.blog-card {
  background:var(--white); border-radius:var(--radius);
  overflow:hidden; box-shadow:var(--shadow); border:1px solid var(--border);
  transition:var(--transition);
}
.blog-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-lg); }
.blog-card-image { height:200px; background:var(--gradient); position:relative; overflow:hidden; }
.blog-cat {
  position:absolute; bottom:16px; left:16px;
  background:rgba(255,255,255,.2); color:var(--white);
  font-size:.78rem; font-weight:600; padding:4px 12px; border-radius:100px;
  backdrop-filter:blur(4px);
}
.blog-card-body { padding:24px; }
.blog-meta { font-size:.8rem; color:var(--gray); margin-bottom:10px; }
.blog-card-body h3 { font-size:1rem; margin-bottom:10px; line-height:1.4; }
.blog-card-body p { font-size:.85rem; margin-bottom:16px; }
.read-more {
  font-size:.85rem; font-weight:600; color:var(--green);
  display:flex; align-items:center; gap:6px;
}
.read-more:hover { color:var(--teal); }

/* ── Team / About ─────────────────────────────── */
.team-card {
  text-align:center; background:var(--white);
  border-radius:var(--radius); padding:32px;
  box-shadow:var(--shadow); border:1px solid var(--border);
}
.team-avatar {
  width:88px; height:88px; border-radius:50%;
  background:var(--gradient); color:var(--white);
  font-size:2rem; font-weight:700;
  display:flex; align-items:center; justify-content:center;
  margin:0 auto 18px;
}
.team-role { font-size:.85rem; color:var(--green-dark); font-weight:600; margin-bottom:8px; }
.team-card h3 { font-size:1.1rem; margin-bottom:10px; }
.team-card p { font-size:.88rem; }

/* ── Values / Icons ───────────────────────────── */
.value-card {
  display:flex; flex-direction:row; gap:20px; align-items:center;
  padding:28px; background:var(--white);
  border-radius:var(--radius); border:1px solid var(--border);
  box-shadow:var(--shadow);
}
.value-icon {
  width:52px; height:52px; border-radius:14px;
  background:var(--gradient); color:var(--white);
  display:flex; align-items:center; justify-content:center;
  font-size:1.4rem; flex-shrink:0;
}
.value-card h3 { font-size:1rem; margin-bottom:6px; }
.value-card p { font-size:.88rem; }
.value-icon-img {
  flex-shrink:0;
}
.value-icon-img img {
  width:80px; height:80px;
  object-fit:contain;
}

/* ── FAQ ──────────────────────────────────────── */
.faq-item {
  border:1px solid var(--border); border-radius:var(--radius-sm);
  overflow:hidden; margin-bottom:12px;
}
.faq-question {
  display:flex; align-items:center; justify-content:space-between;
  padding:20px 24px; cursor:pointer;
  font-weight:600; font-size:.95rem; color:var(--primary);
  background:var(--white); transition:var(--transition);
}
.faq-question:hover { background:var(--light); }
.faq-icon { font-size:1.2rem; color:var(--green); transition:var(--transition); }
.faq-item.open .faq-icon { transform:rotate(45deg); }
.faq-answer {
  padding:0 24px; max-height:0; overflow:hidden;
  transition:max-height .4s ease, padding .3s ease;
  color:var(--gray); font-size:.92rem; line-height:1.7;
}
.faq-item.open .faq-answer {
  max-height:400px; padding:0 24px 20px;
}

/* ── Guarantee banner ─────────────────────────── */
.guarantee-banner {
  background:var(--teal-light); border:2px solid var(--teal);
  border-radius:var(--radius); padding:32px;
  display:flex; align-items:center; gap:24px;
}
.guarantee-badge {
  background:var(--teal); color:var(--white);
  border-radius:50%; width:80px; height:80px;
  display:flex; align-items:center; justify-content:center;
  font-size:1.5rem; font-weight:800; flex-shrink:0;
  flex-direction:column; line-height:1;
  text-align:center;
}
.guarantee-badge small { font-size:.55rem; font-weight:500; }
.guarantee-text h3 { color:var(--teal); margin-bottom:6px; }
.guarantee-text p { font-size:.92rem; }

/* ── Footer ───────────────────────────────────── */
.footer {
  background:var(--primary); color:rgba(255,255,255,.75);
  padding:72px 0 0;
}
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:48px; padding-bottom:56px; }
.footer-logo {
  display:flex; align-items:center; gap:10px; margin-bottom:16px;
}
.footer-brand img { height:42px; }
.footer-brand p { font-size:.88rem; line-height:1.7; max-width:280px; }
.footer-tagline {
  font-size:.8rem; color:var(--green); font-weight:600;
  text-transform:uppercase; letter-spacing:.08em; margin-top:8px;
}
.footer-col h4 { color:var(--white); font-size:.92rem; margin-bottom:20px; letter-spacing:.02em; }
.footer-col ul { display:flex; flex-direction:column; gap:10px; }
.footer-col ul a {
  font-size:.88rem; transition:var(--transition);
}
.footer-col ul a:hover { color:var(--white); }
.footer-contact-item {
  display:flex; align-items:center; gap:10px;
  font-size:.88rem; margin-bottom:12px;
}
.footer-contact-item span:first-child { color:var(--green); }
.footer-bottom {
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;
  display:flex; align-items:center; justify-content:space-between;
  flex-wrap:wrap; gap:12px; font-size:.82rem;
}
.footer-bottom-links { display:flex; gap:20px; }
.footer-bottom-links a:hover { color:var(--white); }
.footer-social { display:flex; gap:12px; }
.social-btn {
  width:36px; height:36px; border-radius:8px;
  background:rgba(255,255,255,.08); color:rgba(255,255,255,.75);
  display:flex; align-items:center; justify-content:center;
  font-size:.9rem; transition:var(--transition);
}
.social-btn:hover { background:var(--green); color:var(--white); }

/* ── WhatsApp float ───────────────────────────── */
.whatsapp-float {
  position:fixed; bottom:28px; right:28px; z-index:9999;
  width:60px; height:60px; border-radius:50%;
  background:#25D366; color:var(--white);
  display:flex; align-items:center; justify-content:center;
  font-size:1.6rem; box-shadow:0 6px 24px rgba(37,211,102,.45);
  transition:var(--transition); animation:pulse-wa 2.5s infinite;
}
.whatsapp-float:hover {
  transform:scale(1.1);
  box-shadow:0 8px 32px rgba(37,211,102,.6);
}
.whatsapp-tooltip {
  position:absolute; right:72px;
  background:var(--primary); color:var(--white);
  padding:8px 14px; border-radius:8px;
  font-size:.82rem; font-weight:600; white-space:nowrap;
  opacity:0; pointer-events:none; transition:var(--transition);
}
.whatsapp-float:hover .whatsapp-tooltip { opacity:1; }
@keyframes pulse-wa {
  0%,100% { box-shadow:0 6px 24px rgba(37,211,102,.45); }
  50%      { box-shadow:0 6px 32px rgba(37,211,102,.7); }
}

/* ── Breadcrumb ───────────────────────────────── */
.breadcrumb {
  padding:14px 0; background:var(--light);
  border-bottom:1px solid var(--border);
  margin-top:76px;
}
.breadcrumb-inner {
  display:flex; align-items:center; gap:8px;
  font-size:.82rem; color:var(--gray);
}
.breadcrumb-inner a { color:var(--green); }
.breadcrumb-inner span { color:var(--border); }

/* ── Page Hero (inner pages) ──────────────────── */
.page-hero {
  background:var(--gradient-dark);
  padding:100px 0 72px; margin-top:76px;
  position:relative; overflow:hidden;
}
.page-hero::before {
  content:''; position:absolute; inset:0;
  background:radial-gradient(ellipse 50% 80% at 80% 50%, rgba(39,174,96,.1) 0%, transparent 60%);
}
.page-hero-content { position:relative; z-index:1; max-width:700px; }
.page-hero-content h1 { color:var(--white); margin-bottom:16px; }
.page-hero-content p { color:rgba(255,255,255,.75); font-size:1.1rem; }

/* ── Process / Timeline ───────────────────────── */
.timeline { position:relative; }
.timeline::before {
  content:''; position:absolute; left:32px; top:0; bottom:0;
  width:2px; background:var(--gradient);
}
.timeline-item {
  display:flex; gap:28px; margin-bottom:40px; position:relative;
}
.timeline-dot {
  width:64px; height:64px; border-radius:50%;
  background:var(--gradient); color:var(--white);
  display:flex; align-items:center; justify-content:center;
  font-size:1.3rem; font-weight:800; flex-shrink:0;
  box-shadow:0 4px 16px rgba(39,174,96,.3); z-index:1;
}
.timeline-content { padding-top:12px; }
.timeline-content h3 { margin-bottom:8px; }
.timeline-content p { font-size:.92rem; }

/* ── Animations ───────────────────────────────── */
.fade-in { opacity:0; transform:translateY(24px); transition:opacity .6s ease, transform .6s ease; }
.fade-in.visible { opacity:1; transform:translateY(0); }
.fade-in-left { opacity:0; transform:translateX(-24px); transition:opacity .6s ease, transform .6s ease; }
.fade-in-left.visible { opacity:1; transform:translateX(0); }

/* ── Responsive ───────────────────────────────── */
@media (max-width:1024px) {
  .grid-4 { grid-template-columns:repeat(2,1fr); }
  .service-cards { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width:768px) {
  .section { padding:64px 0; }
  h1 { font-size:2.2rem; }
  h2 { font-size:1.8rem; }
  .nav-links { display:none; }
  .nav-cta .btn { display:none; }
  .nav-phone { font-size:.82rem; }
  .hamburger { display:flex; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns:1fr; }
  .service-cards { grid-template-columns:1fr; }
  .steps { grid-template-columns:1fr; }
  .steps::before { display:none; }
  .hero-stats { gap:24px; }
  .contact-form { padding:28px; }
  .contact-info-card { padding:28px; }
  .form-row { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap:32px; }
  .footer-bottom { flex-direction:column; text-align:center; }
  .guarantee-banner { flex-direction:column; text-align:center; }
  .cta-strip .ctas { flex-direction:column; align-items:center; }
  .hero-ctas { flex-direction:column; }
  .hero-ctas .btn { width:100%; }
  .stats-strip .grid-4 { grid-template-columns:repeat(2,1fr); gap:32px; }
  .value-card { flex-direction:column; }
  .page-hero { padding:80px 0 56px; }
}
@media (max-width:480px) {
  .container { padding:0 16px; }
  .stats-strip .grid-4 { grid-template-columns:repeat(2,1fr); }
  .hero-stats .stat-number { font-size:1.6rem; }
  .savings-box { padding:28px; }
}