/* =====================================================
   ReformaParedes – Main Stylesheet
   Colors: White, Dark Gray, Construction Orange
   ===================================================== */

/* ── CSS Variables ── */
:root {
  --orange:        #F47C20;
  --orange-dark:   #D96A0E;
  --orange-light:  #FFA94D;
  --orange-glow:   rgba(244, 124, 32, 0.25);
  --dark:          #1A1A1A;
  --dark-2:        #242424;
  --dark-3:        #2E2E2E;
  --gray:          #6B7280;
  --gray-light:    #9CA3AF;
  --border:        rgba(255,255,255,0.10);
  --border-dark:   rgba(0,0,0,0.08);
  --white:         #FFFFFF;
  --off-white:     #F8F8F6;
  --surface:       #F3F4F6;
  --whatsapp:      #25D366;
  --whatsapp-dark: #1DA851;

  --font-body:  'Inter', system-ui, sans-serif;
  --font-head:  'Montserrat', 'Inter', sans-serif;

  --radius-sm:  8px;
  --radius:     12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  --shadow-sm:  0 2px 8px rgba(0,0,0,0.08);
  --shadow:     0 8px 32px rgba(0,0,0,0.12);
  --shadow-lg:  0 24px 64px rgba(0,0,0,0.20);
  --shadow-orange: 0 8px 32px var(--orange-glow);

  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-h: 72px;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--dark);
  line-height: 1.65;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Container ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Utility ── */
.w-full { width: 100%; }
.section { padding: 96px 0; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.12);
  opacity: 0;
  transition: var(--transition);
}
.btn:hover::after { opacity: 1; }
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.btn--lg { padding: 16px 32px; font-size: 1rem; border-radius: var(--radius-lg); }
.btn--sm { padding: 10px 20px; font-size: 0.875rem; }

.btn--primary {
  background: var(--dark);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover { background: var(--dark-3); transform: translateY(-1px); box-shadow: var(--shadow); }

.btn--orange {
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-dark) 100%);
  color: var(--white);
  box-shadow: var(--shadow-orange);
}
.btn--orange:hover { transform: translateY(-2px); box-shadow: 0 12px 40px var(--orange-glow); }
.btn--orange:active { transform: translateY(0); }

.btn--ghost {
  background: rgba(255,255,255,0.12);
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover { background: rgba(255,255,255,0.22); border-color: rgba(255,255,255,0.5); transform: translateY(-2px); }

.btn--whatsapp {
  background: var(--whatsapp);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(37,211,102,0.30);
}
.btn--whatsapp:hover { background: var(--whatsapp-dark); transform: translateY(-2px); }
.btn--whatsapp svg { width: 20px; height: 20px; }

/* ── Section Headers ── */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}
.section-tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-dark) 100%);
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 18px;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.18;
  color: var(--dark);
  margin-bottom: 18px;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--gray);
  line-height: 1.7;
}

/* =====================================================
   NAVBAR
   ===================================================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}
.navbar.scrolled {
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: 0 2px 32px rgba(0,0,0,0.25);
}
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
}
.navbar__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-family: var(--font-head);
  color: var(--white);
  font-weight: 700;
}
.logo-icon { font-size: 1.5rem; }
.logo-text strong { color: var(--orange); }
.navbar__links {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-link {
  color: rgba(255,255,255,0.80);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.nav-link:hover { color: var(--white); background: rgba(255,255,255,0.10); }
.navbar__cta { margin-left: 8px; }
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
}
.navbar__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Mobile Nav ── */
.mobile-nav {
  position: fixed;
  top: 0; right: 0;
  width: 300px;
  height: 100%;
  background: var(--dark-2);
  z-index: 1100;
  padding: 80px 32px 40px;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav nav { display: flex; flex-direction: column; gap: 8px; }
.mobile-nav__link {
  color: rgba(255,255,255,0.80);
  font-size: 1.1rem;
  font-weight: 500;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.mobile-nav__link:hover { color: var(--orange); padding-left: 8px; }
.mobile-nav__btn { margin-top: 24px; }
.mobile-nav__close {
  position: absolute;
  top: 22px; right: 20px;
  color: var(--white);
  font-size: 1.2rem;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.mobile-nav__close:hover { background: rgba(255,255,255,0.1); }
.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1050;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s;
}
.mobile-overlay.open { opacity: 1; pointer-events: all; }

/* =====================================================
   HERO
   ===================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
}
.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.05);
  animation: zoomOut 8s ease-out forwards;
}
@keyframes zoomOut {
  from { transform: scale(1.08); }
  to   { transform: scale(1.00); }
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(26,26,26,0.82) 0%,
    rgba(26,26,26,0.55) 50%,
    rgba(244,124,32,0.20) 100%
  );
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 780px;
  padding-top: var(--nav-h);
  animation: fadeUp 0.9s ease both;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.10);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.20);
  color: rgba(255,255,255,0.9);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 28px;
}
.badge-dot {
  width: 8px; height: 8px;
  background: var(--orange);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(1.3); }
}
.hero__title {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.hero__title .highlight {
  color: var(--orange);
  position: relative;
}
.hero__desc {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.80);
  margin-bottom: 40px;
  max-width: 600px;
  line-height: 1.7;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 56px;
}
.hero__stats {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  width: fit-content;
}
.stat { text-align: center; padding: 0 24px; }
.stat:first-child { padding-left: 0; }
.stat:last-child { padding-right: 0; }
.stat__number {
  display: block;
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 900;
  color: var(--orange);
}
.stat__label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.70);
  font-weight: 500;
}
.stat__divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.20);
}
.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.60);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.3);
  transition: var(--transition);
  animation: bounce 2.5s ease-in-out infinite;
}
.hero__scroll svg { width: 18px; height: 18px; }
.hero__scroll:hover { border-color: var(--orange); color: var(--orange); }
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

/* =====================================================
   SERVICES
   ===================================================== */
.services { background: var(--off-white); }
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
  border: 1.5px solid var(--border-dark);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--orange-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: transparent;
}
.service-card:hover::before { transform: scaleX(1); }

.service-card__icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--orange-glow) 0%, rgba(244,124,32,0.08) 100%);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: var(--transition);
}
.service-card__icon svg {
  width: 26px; height: 26px;
  stroke: var(--orange);
}
.service-card:hover .service-card__icon {
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-dark) 100%);
}
.service-card:hover .service-card__icon svg { stroke: var(--white); }

.service-card__title {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
}
.service-card__desc {
  font-size: 0.92rem;
  color: var(--gray);
  line-height: 1.65;
}
.service-card__tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-dark) 100%);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 100px;
  margin-top: 16px;
}

.service-card--cta {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-3) 100%);
  border-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
}
.service-card--cta::before { background: linear-gradient(90deg, var(--orange), var(--orange-light)); }
.service-card--cta:hover { transform: translateY(-6px); }
.service-card__cta-inner { text-align: center; }
.cta-emoji { font-size: 2.5rem; display: block; margin-bottom: 12px; }
.service-card--cta h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 8px;
}
.service-card--cta p {
  font-size: 0.9rem;
  color: var(--gray-light);
  margin-bottom: 24px;
}

/* =====================================================
   WHY CHOOSE US
   ===================================================== */
.why-us { background: var(--white); }
.why-us__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.image-stack {
  position: relative;
}
.image-stack__main {
  border-radius: var(--radius-xl);
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  box-shadow: var(--shadow-lg);
}
.image-stack__badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-dark) 100%);
  color: var(--white);
  padding: 20px 28px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-orange);
  text-align: center;
}
.image-stack__badge strong {
  display: block;
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
}
.image-stack__badge span {
  font-size: 0.82rem;
  font-weight: 500;
  opacity: 0.9;
}
.why-us__content .section-tag { margin-bottom: 14px; }
.why-us__content .section-title { text-align: left; }
.why-us__content .section-desc { text-align: left; margin-bottom: 36px; }

.benefits-list { display: flex; flex-direction: column; gap: 20px; margin-bottom: 40px; }
.benefit-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 20px 24px;
  border-radius: var(--radius);
  border: 1.5px solid var(--border-dark);
  transition: var(--transition);
}
.benefit-item:hover {
  border-color: var(--orange);
  background: rgba(244,124,32,0.03);
  transform: translateX(4px);
}
.benefit-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-dark) 100%);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 900;
  flex-shrink: 0;
}
.benefit-item strong {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--dark);
  margin-bottom: 4px;
}
.benefit-item p { font-size: 0.88rem; color: var(--gray); line-height: 1.5; }
.why-us__cta { margin-top: 8px; }

/* =====================================================
   GALLERY
   ===================================================== */
.gallery { background: var(--dark); }
.gallery .section-tag { background: linear-gradient(135deg, var(--orange) 0%, var(--orange-dark) 100%); }
.gallery .section-title { color: var(--white); }
.gallery .section-desc { color: var(--gray-light); }

.gallery__tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.gallery-tab {
  padding: 10px 24px;
  border-radius: 100px;
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(255,255,255,0.60);
  border: 1.5px solid rgba(255,255,255,0.15);
  transition: var(--transition);
  font-family: var(--font-body);
}
.gallery-tab:hover { color: var(--white); border-color: rgba(255,255,255,0.35); }
.gallery-tab.active {
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-dark) 100%);
  color: var(--white);
  border-color: transparent;
  box-shadow: var(--shadow-orange);
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 300px;
  gap: 16px;
}
.gallery-item { border-radius: var(--radius-lg); overflow: hidden; position: relative; }
.gallery-item--wide { grid-column: span 2; }

.gallery-item__img-wrap,
.before-after {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.gallery-item__img-wrap img,
.before-after__images img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.gallery-item:hover .gallery-item__img-wrap img,
.gallery-item:hover .before-after__images img {
  transform: scale(1.07);
}
.gallery-item__overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(26,26,26,0.92) 0%, transparent 100%);
  padding: 32px 24px 20px;
  transform: translateY(4px);
  transition: var(--transition);
}
.gallery-item:hover .gallery-item__overlay { transform: translateY(0); }
.gallery-item__overlay h4 {
  color: var(--white);
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.gallery-item__overlay p { color: rgba(255,255,255,0.65); font-size: 0.82rem; }

.before-after { height: 100%; }
.before-after__images { height: 100%; }
.before-after__labels {
  position: absolute;
  top: 16px;
  left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  padding: 0 16px;
  pointer-events: none;
}
.label-before, .label-after {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 5px 12px;
  border-radius: 100px;
}
.label-before { background: rgba(26,26,26,0.85); color: var(--gray-light); }
.label-after  { background: linear-gradient(135deg, var(--orange), var(--orange-dark)); color: var(--white); }

.gallery-item[data-category] { transition: opacity 0.35s, transform 0.35s; }
.gallery-item.hidden { opacity: 0; transform: scale(0.95); pointer-events: none; display: none; }

/* =====================================================
   CONTACT
   ===================================================== */
.contact { background: var(--off-white); }
.contact__layout {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 48px;
  align-items: start;
}

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--dark);
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--white);
  border: 1.5px solid var(--border-dark);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--dark);
  transition: var(--transition);
  outline: none;
  width: 100%;
}
.form-group input::placeholder,
.form-group select option[disabled],
.form-group textarea::placeholder { color: var(--gray-light); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px var(--orange-glow);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select { appearance: none; cursor: pointer; }

.form-success {
  display: none;
  background: #D1FAE5;
  border: 1.5px solid #6EE7B7;
  color: #065F46;
  padding: 16px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  text-align: center;
}
.form-success.show { display: block; animation: fadeUp 0.4s ease; }

/* Contact info card */
.contact-info-card {
  background: var(--dark);
  border-radius: var(--radius-xl);
  padding: 36px;
  color: var(--white);
}
.contact-info-card h3 {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 28px;
}
.contact-details { display: flex; flex-direction: column; gap: 20px; margin-bottom: 28px; }
.contact-details li { display: flex; gap: 18px; align-items: flex-start; }
.contact-detail__icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-details strong { display: block; font-size: 0.82rem; color: rgba(255,255,255,0.55); margin-bottom: 3px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }
.contact-details a, .contact-details span { font-size: 0.95rem; color: rgba(255,255,255,0.90); line-height: 1.5; }
.contact-details a:hover { color: var(--orange); }

.map-container { margin-top: 20px; }
.map-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--dark);
  margin-bottom: 12px;
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer { background: var(--dark); color: var(--white); padding-top: 72px; }
.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--border);
}
.footer__brand .navbar__logo { margin-bottom: 16px; }
.footer__brand p { font-size: 0.9rem; color: var(--gray-light); line-height: 1.65; max-width: 260px; }
.footer__links h4, .footer__contact h4 {
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.55);
  margin-bottom: 20px;
}
.footer__links ul { display: flex; flex-direction: column; gap: 12px; }
.footer__links a {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.70);
  transition: var(--transition);
}
.footer__links a:hover { color: var(--orange); transform: translateX(3px); display: inline-block; }
.footer__contact p { font-size: 1rem; color: rgba(255,255,255,0.90); margin-bottom: 16px; }
.footer__contact a { color: rgba(255,255,255,0.90); transition: var(--transition); }
.footer__contact a:hover { color: var(--orange); }
.footer__wa { margin-top: 4px; }

.footer__bottom {
  padding: 20px 0;
  text-align: center;
}
.footer__bottom p { font-size: 0.82rem; color: rgba(255,255,255,0.40); margin-bottom: 4px; }
.footer__seo { display: none; }
.footer__seo a { color: rgba(255,255,255,0.25); }

/* =====================================================
   STICKY WHATSAPP
   ===================================================== */
.sticky-wa {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 60px; height: 60px;
  background: var(--whatsapp);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(37,211,102,0.45);
  transition: var(--transition);
}
.sticky-wa svg { width: 30px; height: 30px; }
.sticky-wa:hover {
  background: var(--whatsapp-dark);
  transform: scale(1.10);
  border-radius: 16px;
}
.sticky-wa__tooltip {
  position: absolute;
  right: 72px;
  white-space: nowrap;
  background: var(--dark);
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  opacity: 0;
  transform: translateX(8px);
  pointer-events: none;
  transition: var(--transition);
  box-shadow: var(--shadow);
}
.sticky-wa__tooltip::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: var(--dark);
  border-right: none;
}
.sticky-wa:hover .sticky-wa__tooltip { opacity: 1; transform: translateX(0); }

.sticky-wa__pulse {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--whatsapp);
  opacity: 0;
  animation: ripple 2.5s ease-out infinite;
}
@keyframes ripple {
  0%   { transform: scale(0.8); opacity: 0.8; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* =====================================================
   SCROLL ANIMATIONS
   ===================================================== */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(40px); transition: opacity 0.65s ease, transform 0.65s ease;}
.reveal-right.visible { opacity: 1; transform: translateX(0); }

/* =====================================================
   RESPONSIVE
   ===================================================== */
/* ──────────────────────────────────────────
   Prevent iOS Safari from zooming on input focus
   ────────────────────────────────────────── */
@media (max-width: 768px) {
  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 1rem; /* 16px prevents iOS auto-zoom */
  }
}

/* ── Tablet (≤ 1024px) ── */
@media (max-width: 1024px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .why-us__layout { gap: 48px; }
  .footer__inner { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .footer__brand { grid-column: span 2; }
  .contact__layout { grid-template-columns: 1fr; }
  .contact__info-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .map-container { margin-top: 0; }
}

/* ── Mobile (≤ 768px) ── */
@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  .section { padding: 56px 0; }
  .section-header { margin-bottom: 36px; }
  .container { padding: 0 16px; }

  /* Navbar */
  .navbar__links, .navbar__cta { display: none; }
  .navbar__toggle { display: flex; }
  /* Ensure hamburger tap target is at least 44px */
  .navbar__toggle { min-width: 44px; min-height: 44px; justify-content: center; }

  /* Hero */
  .hero__content { padding-top: calc(var(--nav-h) + 12px); }
  .hero__actions {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }
  .hero__actions .btn {
    width: 100%;
    justify-content: center;
    max-width: 340px;
  }
  .hero__stats {
    padding: 18px 20px;
    gap: 0;
    width: 100%;
  }
  .stat { padding: 0 12px; }
  .stat__number { font-size: 1.5rem; }

  /* Services */
  .services__grid { grid-template-columns: 1fr; gap: 14px; }
  .service-card { padding: 28px 24px; }

  /* Why us */
  .why-us__layout { grid-template-columns: 1fr; gap: 36px; }
  .image-stack__badge { right: 0; bottom: -16px; }
  .image-stack__main { aspect-ratio: 16/9; border-radius: var(--radius-lg); }
  .why-us__cta { width: 100%; justify-content: center; }
  .benefit-item { padding: 16px 18px; }

  /* Gallery */
  .gallery__grid {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 200px;
  }
  .gallery-item--wide { grid-column: span 2; }
  .gallery-tab { padding: 10px 18px; font-size: 0.84rem; }

  /* Contact */
  .form-row { grid-template-columns: 1fr; }
  .contact__info-col { grid-template-columns: 1fr; }
  /* Ensure form inputs have proper tap height */
  .form-group input,
  .form-group select {
    min-height: 50px;
  }

  /* Footer */
  .footer__inner { grid-template-columns: 1fr; }
  .footer__brand { grid-column: span 1; }
  .footer { padding-top: 48px; }

  /* WhatsApp sticky */
  .sticky-wa { bottom: 20px; right: 16px; width: 54px; height: 54px; }
  .sticky-wa svg { width: 26px; height: 26px; }
  /* Hide tooltip on touch devices (no hover) */
  .sticky-wa__tooltip { display: none; }
}

/* ── Small mobile (≤ 480px) ── */
@media (max-width: 480px) {
  .hero__badge { font-size: 0.72rem; padding: 7px 14px; }
  .hero__stats {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 18px;
  }
  .stat__divider { width: 100%; height: 1px; }
  .stat { padding: 0; text-align: left; }
  .hero__actions .btn { max-width: 100%; }

  .service-card { padding: 24px 20px; }

  .gallery__grid { grid-template-columns: 1fr; grid-auto-rows: 240px; }
  .gallery-item--wide { grid-column: span 1; }
  .gallery__tabs { gap: 8px; }

  .contact-info-card { padding: 22px 18px; }
  .contact-details li { gap: 12px; }

  .section-title { font-size: clamp(1.55rem, 7vw, 2rem); }
  .btn--lg { padding: 15px 24px; font-size: 0.95rem; }

  .footer__inner { gap: 32px; }
}

/* ── Extra small (≤ 360px) ── */
@media (max-width: 360px) {
  .hero__title { font-size: 2rem; }
  .hero__badge { display: none; } /* hide on very small screens to save space */
  .gallery-tab { padding: 8px 14px; font-size: 0.8rem; }
}