/* ============================================================
   AQUA CONSTRUCCIONES SPA — Stylesheet v3
   ============================================================ */

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

:root {
  /* Azul principal */
  --primary:       #0074fe;
  --primary-dark:  #005bcc;
  --primary-light: #dce9ff;

  /* Complementario — ámbar dorado */
  --warm:          #c8860a;
  --warm-dark:     #9e6a08;
  --warm-light:    #fef3d8;
  --warm-mid:      #f0c060;

  /* Neutros */
  --white:         #ffffff;
  --surface:       #f9f6f2;   /* blanco cálido, no frío */
  --surface-alt:   #f0f5fc;   /* azul muy suave para contraste */
  --border:        #e8e2d8;
  --border-blue:   #dceeff;

  /* Texto */
  --text-dark:     #0d1a2e;
  --text-body:     #3d4f65;
  --text-muted:    #7e95b0;

  /* Sombras */
  --shadow-sm:  0 2px 12px rgba(13,26,46,.06);
  --shadow-md:  0 8px 32px rgba(13,26,46,.10);
  --shadow-lg:  0 20px 60px rgba(13,26,46,.14);
  --shadow-w:   0 8px 32px rgba(200,134,10,.18);

  --radius:     14px;
  --radius-lg:  22px;
  --tr:         .3s cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; color: var(--text-body); background: var(--white); overflow-x: hidden; line-height: 1.6; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 28px; }
.section { padding: 100px 0; }

/* ---- Tags ---- */
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: 'Nunito Sans', sans-serif; font-size: .72rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  padding: 6px 14px; border-radius: 100px; margin-bottom: 20px;
}
.tag-blue { color: var(--primary); background: var(--primary-light); }
.tag-warm { color: var(--warm-dark); background: var(--warm-light); }

/* ---- Headings ---- */
.section-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700; color: var(--text-dark);
  line-height: 1.15; margin-bottom: 16px; letter-spacing: -.02em;
}
.section-title .accent-word { color: var(--primary); }
.section-subtitle {
  font-size: 1.03rem; color: var(--text-muted);
  max-width: 560px; line-height: 1.75;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 100px;
  font-family: 'Nunito Sans', sans-serif; font-size: .95rem; font-weight: 700;
  cursor: pointer; border: none; transition: var(--tr); letter-spacing: .01em;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 20px rgba(0,116,254,.3); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,116,254,.4); }
.btn-warm { background: var(--warm); color: #fff; box-shadow: var(--shadow-w); }
.btn-warm:hover { background: var(--warm-dark); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.btn-ghost { background: rgba(255,255,255,.15); color: #fff; border: 1px solid rgba(255,255,255,.3); backdrop-filter: blur(8px); }
.btn-ghost:hover { background: rgba(255,255,255,.25); transform: translateY(-2px); }

/* ============================================================
   NAV — FLOATING PILL
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 14px 0;
  background: transparent;
  transition: padding var(--tr);
}
.nav.scrolled { padding: 10px 0; }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(220,228,240,.9);
  border-radius: 100px;
  padding: 7px 7px 7px 22px;
  box-shadow: 0 4px 24px rgba(13,26,46,.10);
  transition: box-shadow var(--tr);
}
.nav.scrolled .nav-inner { box-shadow: 0 8px 36px rgba(13,26,46,.16); }
.nav-logo img { height: 38px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a {
  font-family: 'Nunito Sans', sans-serif; font-size: .88rem; font-weight: 600;
  color: var(--text-dark); transition: color var(--tr); position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -3px; left: 0; right: 0;
  height: 2px; background: var(--warm); transform: scaleX(0);
  transition: transform var(--tr); border-radius: 2px;
}
.nav-links a:hover { color: var(--warm-dark); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-cta { margin-left: 8px; }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text-dark); border-radius: 2px; transition: var(--tr); }
.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-backdrop {
  position: fixed; inset: 0;
  background: rgba(13,26,46,.42);
  z-index: 998;
  opacity: 0; pointer-events: none;
  transition: opacity .3s ease;
}
.mobile-backdrop.open { opacity: 1; pointer-events: all; }
.mobile-menu {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: min(300px, 84vw);
  background: #fff;
  z-index: 999;
  transform: translateX(105%);
  transition: transform .32s cubic-bezier(.4,0,.2,1);
  display: flex; flex-direction: column;
  overflow-y: auto;
  box-shadow: -10px 0 48px rgba(13,26,46,.14);
}
.mobile-menu.open { transform: translateX(0); }
.mm-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 20px; border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.mm-logo { height: 26px; width: auto; }
.mobile-close {
  background: none; border: none; cursor: pointer; color: var(--text-dark);
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
}
.mobile-close:hover { background: var(--surface); }
.mm-nav { display: flex; flex-direction: column; flex: 1; }
.mm-nav a {
  font-family: 'Nunito Sans', sans-serif; font-size: 1rem; font-weight: 700;
  color: var(--text-dark); padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  transition: color .2s, background .2s;
}
.mm-nav a::after { content: '›'; font-size: 1.3rem; color: var(--muted); }
.mm-nav a:last-child { border-bottom: none; }
.mm-nav a:active { color: var(--primary); background: rgba(10,82,167,.05); }
.mm-footer {
  padding: 20px; border-top: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 12px; flex-shrink: 0;
}
.mm-wa { width: 100%; justify-content: center; gap: 8px; font-size: .88rem; }
.mm-contact-link {
  text-align: center; color: var(--muted);
  font-size: .76rem; font-family: 'Nunito Sans', sans-serif;
  text-decoration: underline; text-underline-offset: 3px;
}

/* ============================================================
   HERO
   ============================================================ */
.hero { position: relative; min-height: 82vh; display: flex; align-items: center; overflow: hidden; padding-top: 80px; }
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(5,13,26,.65) 0%, rgba(5,13,26,.72) 50%, rgba(5,13,26,.55) 100%);
}
.hero > .container { position: relative; z-index: 2; text-align: center; }
.hero-content { max-width: 1000px; color: #fff; margin: 0 auto; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(200,134,10,.2); backdrop-filter: blur(12px);
  border: 1px solid rgba(200,134,10,.4);
  padding: 8px 18px; border-radius: 100px;
  font-family: 'Nunito Sans', sans-serif; font-size: .82rem; font-weight: 600;
  margin-bottom: 24px; color: #f0c060;
}
.hero-badge .dot { width: 7px; height: 7px; background: #f0c060; border-radius: 50%; animation: dot-pulse 2s infinite; }
@keyframes dot-pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.5)} }

.hero-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2rem, 3.6vw, 3.6rem);
  font-weight: 800; line-height: 1.1; margin-bottom: 22px; letter-spacing: -.025em;
}
.hero-title .hl { color: #7dd8ff; }

.hero-sub {
  font-size: 1.1rem; font-weight: 400; color: rgba(255,255,255,.8);
  margin: 0 auto 36px; max-width: 700px; line-height: 1.75;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 32px; justify-content: center; }

.hero-trust { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; border-top: 1px solid rgba(255,255,255,.12); padding-top: 24px; justify-content: center; }
.trust-item {
  display: flex; align-items: center; gap: 7px;
  font-family: 'Nunito Sans', sans-serif; font-size: .8rem; font-weight: 600;
  color: rgba(255,255,255,.72); white-space: nowrap;
}
.trust-item svg { color: var(--warm-mid); flex-shrink: 0; }

.hero-waves { position: absolute; bottom: -1px; left: 0; right: 0; line-height: 0; z-index: 2; }
.hero-waves svg { display: block; width: 100%; height: 72px; }

/* ============================================================
   STATS — MINIMALISTA
   ============================================================ */
.stats { background: #fff; padding: 40px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.stats-inner { display: grid; grid-template-columns: repeat(3, 1fr); }
.stat-item { padding: 20px 40px; text-align: center; position: relative; }
.stat-item + .stat-item::before {
  content: ''; position: absolute; left: 0; top: 15%; bottom: 15%;
  width: 1px; background: var(--border);
}
.stat-icon { display: none; }
.stat-number {
  font-family: 'Outfit', sans-serif; font-size: 2.8rem; font-weight: 800;
  line-height: 1; margin-bottom: 6px; letter-spacing: -.03em;
}
.stat-number-blue { color: var(--text-dark); }
.stat-number-warm { color: var(--warm); }
.stat-suffix { font-size: 1.8rem; }
.stat-label { font-size: .82rem; color: var(--text-muted); font-weight: 400; letter-spacing: .02em; }

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-image-wrap { position: relative; }
.about-img-main { width: 100%; height: 720px; object-fit: cover; object-position: center top; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.about-img-accent {
  position: absolute; bottom: -32px; right: -32px;
  width: 280px; height: 190px; object-fit: cover;
  border-radius: var(--radius); box-shadow: var(--shadow-md); border: 5px solid #fff;
}
.about-badge-float {
  position: absolute; top: 28px; left: -28px;
  background: #fff; border-radius: var(--radius); padding: 18px 22px;
  box-shadow: 0 8px 40px rgba(200,134,10,.2); text-align: center;
  border: 1px solid var(--warm-light);
}
.about-badge-float strong {
  display: block; font-family: 'Nunito Sans', sans-serif;
  font-size: 2.4rem; font-weight: 900; color: var(--warm); line-height: 1; letter-spacing: -.03em;
}
.about-badge-float span { font-size: .78rem; color: var(--text-muted); font-weight: 500; }

.about-checks { margin-top: 28px; display: flex; flex-direction: column; gap: 12px; }
.about-check {
  display: flex; align-items: center; gap: 12px;
  font-family: 'Nunito Sans', sans-serif; font-size: .92rem; color: var(--text-body); font-weight: 600;
}
.about-check svg { flex-shrink: 0; color: var(--primary); }

.about-pills { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
.about-pill {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 100px; padding: 6px 14px;
  font-family: 'Nunito Sans', sans-serif; font-size: .78rem; font-weight: 700; color: var(--text-body);
}

/* ============================================================
   SERVICES — IMAGEN VISUAL (nuevo)
   ============================================================ */
.services-section { background: var(--text-dark); padding: 100px 0; }
.services-header-dark { text-align: center; margin-bottom: 56px; }
.services-header-dark .section-title { color: #fff; }
.services-header-dark .section-subtitle { color: rgba(255,255,255,.58); margin: 0 auto; }

.services-grid-visual {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 300px 300px;
  gap: 14px;
}
.srv-card {
  position: relative; overflow: hidden; border-radius: var(--radius);
  cursor: default; transition: var(--tr);
}
.srv-card:nth-child(1) { grid-row: span 2; }
.srv-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transition: transform .65s cubic-bezier(.4,0,.2,1);
}
.srv-card:hover .srv-bg { transform: scale(1.07); }
.srv-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(5,13,26,.78) 0%, rgba(5,13,26,.38) 45%, rgba(5,13,26,.06) 100%);
  transition: var(--tr);
}
.srv-card:hover .srv-overlay {
  background: linear-gradient(to top, rgba(5,13,26,.85) 0%, rgba(5,13,26,.48) 50%, rgba(0,50,120,.08) 100%);
}
.srv-content {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 24px 26px;
  transform: translateY(4px); transition: transform var(--tr);
}
.srv-card:hover .srv-content { transform: translateY(0); }
.srv-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: rgba(200,134,10,.2); border: 1px solid rgba(200,134,10,.4);
  display: flex; align-items: center; justify-content: center;
  color: var(--warm-mid); margin-bottom: 12px;
}
.srv-title {
  font-family: 'Outfit', sans-serif; font-size: 1.1rem; font-weight: 700;
  color: #fff; margin-bottom: 8px; letter-spacing: -.01em;
}
.srv-desc {
  font-size: .82rem; color: rgba(255,255,255,.72); line-height: 1.6;
  max-height: 0; overflow: hidden;
  transition: max-height .4s ease, opacity .4s ease; opacity: 0;
}
.srv-card:hover .srv-desc { max-height: 80px; opacity: 1; }
.srv-card:nth-child(1) .srv-content { padding: 32px; }
.srv-card:nth-child(1) .srv-title { font-size: 1.35rem; }

/* ============================================================
   PROCESS
   ============================================================ */
.steps-wrap { position: relative; }
.steps-connector {
  position: absolute; top: 31px;
  left: calc(12.5% + 16px); right: calc(12.5% + 16px);
  height: 2px; opacity: .2; z-index: 0;
  background: linear-gradient(90deg, var(--primary), var(--warm), var(--primary));
}
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; z-index: 1; }
.step { text-align: center; padding: 0 20px; }
.step-num {
  width: 64px; height: 64px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 24px;
  font-family: 'Nunito Sans', sans-serif; font-size: 1.2rem; font-weight: 900; color: #fff;
  transition: var(--tr); position: relative;
}
.step:nth-child(odd) .step-num { background: linear-gradient(135deg, var(--primary), #40b4ff); box-shadow: 0 4px 20px rgba(0,116,254,.3); }
.step:nth-child(even) .step-num { background: linear-gradient(135deg, var(--warm), var(--warm-mid)); box-shadow: 0 4px 20px rgba(200,134,10,.3); }
.step:hover .step-num { transform: scale(1.12); }
.step h3 { font-family: 'Nunito Sans', sans-serif; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; font-size: 1rem; }
.step p { font-size: .862rem; color: var(--text-muted); line-height: 1.65; }

/* ============================================================
   GALLERY
   ============================================================ */
.gallery-carousel { position: relative; }
.carousel-track {
  display: flex;
  gap: 14px;
  overflow-x: scroll;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.carousel-track::-webkit-scrollbar { display: none; }
.carousel-slide {
  flex: 0 0 calc((100% - 28px) / 3);
  scroll-snap-align: start;
  border-radius: var(--radius);
  overflow: hidden;
  height: 280px;
  cursor: pointer;
  flex-shrink: 0;
}
.carousel-slide img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
  transition: transform .65s cubic-bezier(.4,0,.2,1);
}
.carousel-slide:hover img { transform: scale(1.05); }
.carousel-controls {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
}
.carousel-btn {
  flex-shrink: 0;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: #fff;
  color: var(--dark);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s, border-color .2s, color .2s;
}
.carousel-btn:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.carousel-progress {
  flex: 1;
  height: 2px;
  border-radius: 1px;
  background: var(--border);
}

/* Lightbox */
.lightbox {
  display: none; position: fixed; inset: 0;
  background: rgba(5,13,26,.97); z-index: 2000;
  flex-direction: column; align-items: center; justify-content: center;
  backdrop-filter: blur(10px);
}
.lightbox.open { display: flex; }
.lightbox-img { max-width: 88vw; max-height: 78vh; border-radius: var(--radius); box-shadow: 0 40px 100px rgba(0,0,0,.6); object-fit: contain; }
.lightbox-meta { margin-top: 18px; text-align: center; }
.lightbox-label { color: rgba(255,255,255,.72); font-size: .88rem; font-family: 'Nunito Sans', sans-serif; font-weight: 600; }
.lightbox-counter { color: rgba(255,255,255,.3); font-size: .72rem; font-family: 'Outfit', sans-serif; margin-top: 5px; letter-spacing: .1em; }
.lightbox-close { position: absolute; top: 24px; right: 32px; background: none; border: none; color: #fff; font-size: 2.2rem; cursor: pointer; opacity: .7; transition: opacity var(--tr); }
.lightbox-close:hover { opacity: 1; }
.lightbox-prev, .lightbox-next {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: rgba(255,255,255,.1); backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,.18);
  color: #fff; border-radius: 50%; width: 52px; height: 52px;
  font-size: 1.4rem; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: var(--tr);
}
.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }
.lightbox-prev:hover, .lightbox-next:hover { background: var(--primary); border-color: var(--primary); }

/* ============================================================
   WHY CHOOSE US
   ============================================================ */
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.why-list { display: flex; flex-direction: column; gap: 30px; }
.why-item { display: flex; gap: 18px; align-items: flex-start; }
.why-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.why-icon-blue { background: var(--primary-light); color: var(--primary); }
.why-icon-warm { background: var(--warm-light); color: var(--warm); }
.why-item h3 { font-family: 'Nunito Sans', sans-serif; font-weight: 700; color: var(--text-dark); margin-bottom: 5px; }
.why-item p { font-size: .875rem; color: var(--text-muted); line-height: 1.65; }
.why-image {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  height: 520px; box-shadow: var(--shadow-lg);
}
.why-image img { width: 100%; height: 100%; object-fit: cover; }
.why-image-tag {
  position: absolute; bottom: 24px; left: 24px;
  background: rgba(255,255,255,.95); backdrop-filter: blur(12px);
  border-radius: var(--radius); padding: 14px 20px;
  display: flex; align-items: center; gap: 10px; box-shadow: var(--shadow-md);
}
.why-image-tag .wi-icon { font-size: 1.6rem; }
.why-image-tag strong { display: block; font-family: 'Nunito Sans', sans-serif; font-size: .85rem; color: var(--text-dark); font-weight: 700; }
.why-image-tag span { font-size: .75rem; color: var(--text-muted); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 64px; align-items: start; }
.contact-info-title { font-family: 'Nunito Sans', sans-serif; font-size: 2.1rem; font-weight: 800; letter-spacing: -.025em; color: var(--text-dark); margin-bottom: 12px; }
.contact-info-sub { color: var(--text-muted); margin: 14px 0 30px; line-height: 1.7; }
.contact-item { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 20px; }
.contact-item-icon { width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.ci-blue { background: var(--primary-light); color: var(--primary); }
.ci-warm { background: var(--warm-light); color: var(--warm); }
.contact-item strong { display: block; font-family: 'Nunito Sans', sans-serif; color: var(--text-dark); font-weight: 700; font-size: .9rem; }
.contact-item span, .contact-item a { font-size: .88rem; color: var(--text-muted); }
.contact-item a { color: var(--primary); transition: color var(--tr); }
.contact-item a:hover { color: var(--primary-dark); }

.contact-form { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-sm); }
.cf-title { font-family: 'Nunito Sans', sans-serif; font-size: 1.45rem; font-weight: 800; color: var(--text-dark); margin-bottom: 4px; letter-spacing: -.02em; }
.cf-sub { font-size: .875rem; color: var(--text-muted); margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-family: 'Nunito Sans', sans-serif; font-size: .82rem; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--border); border-radius: 10px;
  font-family: 'Inter', sans-serif; font-size: .95rem; color: var(--text-dark);
  background: var(--surface); transition: border-color var(--tr), box-shadow var(--tr); outline: none; appearance: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(0,116,254,.1); }
.form-group textarea { min-height: 110px; resize: vertical; }
.form-submit { width: 100%; justify-content: center; font-size: 1rem; padding: 16px; }
.form-note { text-align: center; margin-top: 12px; font-size: .78rem; color: var(--text-muted); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer-wave { background: var(--surface); line-height: 0; }
.footer-wave svg { display: block; width: 100%; }
.footer { background: var(--text-dark); color: rgba(255,255,255,.62); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand img { height: 42px; margin-bottom: 16px; filter: brightness(0) invert(1); }
.footer-brand p { font-size: .86rem; line-height: 1.7; max-width: 240px; }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.footer-social a { width: 36px; height: 36px; border-radius: 8px; background: rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.7); transition: var(--tr); }
.footer-social a:hover { background: var(--warm); color: #fff; }
.footer-col h4 { font-family: 'Nunito Sans', sans-serif; font-size: .82rem; font-weight: 700; color: #fff; letter-spacing: .07em; text-transform: uppercase; margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: .86rem; color: rgba(255,255,255,.55); transition: color var(--tr); }
.footer-col ul li a:hover { color: var(--warm-mid); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; display: flex; justify-content: space-between; align-items: center; font-size: .78rem; color: rgba(255,255,255,.35); }
.footer-accent-line { width: 40px; height: 2px; background: linear-gradient(90deg, var(--primary), var(--warm)); border-radius: 2px; margin: 0 auto 0 0; margin-top: 10px; margin-bottom: 18px; }

/* ============================================================
   FLOATING
   ============================================================ */
.fab-whatsapp {
  position: fixed; bottom: 28px; right: 28px; z-index: 900;
  width: 60px; height: 60px; border-radius: 50%; background: #25d366;
  display: flex; align-items: center; justify-content: center; color: #fff;
  box-shadow: 0 4px 20px rgba(37,211,102,.45); transition: var(--tr); animation: wa-pulse 3s infinite;
}
.fab-whatsapp:hover { transform: scale(1.1); animation: none; box-shadow: 0 8px 32px rgba(37,211,102,.55); }
@keyframes wa-pulse { 0%,100%{box-shadow:0 4px 20px rgba(37,211,102,.45),0 0 0 0 rgba(37,211,102,.3)} 50%{box-shadow:0 4px 20px rgba(37,211,102,.45),0 0 0 14px rgba(37,211,102,0)} }

.fab-top {
  position: fixed; bottom: 28px; left: 28px; z-index: 900;
  width: 48px; height: 48px; border-radius: 50%;
  background: #fff; border: 1.5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-dark); box-shadow: var(--shadow-sm);
  cursor: pointer; transition: var(--tr); opacity: 0; pointer-events: none;
}
.fab-top.visible { opacity: 1; pointer-events: all; }
.fab-top:hover { background: var(--primary); color: #fff; transform: translateY(-3px); }

/* ============================================================
   REVEAL
   ============================================================ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .65s ease, transform .65s ease; }
.reveal.revealed { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }

/* ============================================================
   DECORATIVE
   ============================================================ */
.section-line {
  width: 48px; height: 3px; border-radius: 3px;
  background: linear-gradient(90deg, var(--primary), var(--warm));
  margin-bottom: 24px;
}
.wave-to-dark { line-height: 0; background: var(--surface); }
.wave-to-dark svg { display: block; width: 100%; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .nav-logo img { height: 28px; }
  .nav-inner { padding: 5px 6px 5px 14px; }
  .about-grid, .why-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-img-accent { display: none; }
  .about-badge-float { top: 16px; left: 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .services-grid-visual { grid-template-columns: 1fr 1fr; grid-template-rows: 280px 280px 280px; }
  .srv-card:nth-child(1) { grid-row: span 1; }
  .steps-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .steps-connector { display: none; }
  .carousel-slide { flex: 0 0 calc((100% - 14px) / 2); height: 260px; }
  .stats-inner { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .section { padding: 56px 0; }
  .container { padding: 0 18px; }
  .hero-title { font-size: 2rem; line-height: 1.18; }
  .hero-sub { font-size: .88rem; }
  .hero-actions { flex-direction: column; align-items: center; gap: 10px; }
  .hero-actions .btn { width: 100%; max-width: 360px; justify-content: center; }
  .section-title { font-size: 1.6rem; }
  .services-grid-visual { grid-template-columns: 1fr; grid-template-rows: auto; }
  .srv-card { height: 240px; }
  .carousel-slide { flex: 0 0 85%; height: 220px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .steps-grid { grid-template-columns: 1fr; }
  .hero-trust { display: none; }
  .about-img-accent { display: none; }
  .fab-top { display: none !important; }
  .stats-inner { gap: 16px; }
  .about-checks { gap: 10px; }
  .services-header-dark { padding: 0 0 32px; }
}