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

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

:root {
  --primary: #1a2a3a;
  --primary-90: rgba(26,42,58,0.9);
  --primary-95: rgba(26,42,58,0.95);
  --accent: #7a1e2e;
  --accent-90: rgba(122,30,46,0.9);
  --bg: #f9f7f4;
  --muted: #f0ece6;
  --border: #e5dfd6;
  --text: #1a2a3a;
  --muted-text: #6b7280;
  --white: #ffffff;
}

body {
  font-family: 'Lato', Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

/* ===== LAYOUT ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.25rem; }
.max-4xl { max-width: 900px; margin: 0 auto; padding: 0 1.25rem; }
.max-3xl { max-width: 700px; margin: 0 auto; padding: 0 1.25rem; }

/* ===== TYPOGRAPHY HELPERS ===== */
.label-accent {
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.section-title {
  font-size: clamp(1.7rem, 3.5vw, 2.5rem);
  font-weight: 900;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 1rem;
}
.section-sub {
  color: var(--muted-text);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== HEADER ===== */
.header {
  background: var(--primary);
  padding: 0.6rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,0.25);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.header__logo { height: 40px; width: auto; object-fit: contain; border-radius: 6px; }

.nav { display: flex; gap: 1.5rem; flex-wrap: wrap; align-items: center; }
.nav a {
  color: rgba(255,255,255,0.85);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
}
.nav a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: #fff;
  transition: width 0.2s;
}
.nav a:hover, .nav a.active { color: #fff; }
.nav a:hover::after, .nav a.active::after { width: 100%; }

.header__phones {
  display: flex;
  gap: 1.25rem;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.85);
}
.header__phones a { color: inherit; display: flex; align-items: center; gap: 0.3rem; transition: color 0.2s; }
.header__phones a:hover { color: #fff; }
.header__phones svg { width: 13px; height: 13px; }

/* mobile toggle */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; color: #fff; padding: 6px; }
.nav-mobile { display: none; background: var(--primary-95); border-top: 1px solid rgba(255,255,255,0.1); padding: 1rem 1.25rem; }
.nav-mobile a { display: block; color: rgba(255,255,255,0.85); font-size: 0.9rem; padding: 0.5rem 0; font-weight: 500; }
.nav-mobile a:hover { color: #fff; }
.nav-mobile .phones { margin-top: 0.75rem; padding-top: 0.75rem; border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.85rem; color: rgba(255,255,255,0.7); display: flex; flex-direction: column; gap: 0.4rem; }

@media (max-width: 768px) {
  .nav { display: none; }
  .header__phones { display: none; }
  .nav-toggle { display: block; }
  .nav-mobile.open { display: block; }
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: url('https://media.base44.com/images/public/6a2071f83214318701426c3a/1991130ce_generated_d0e49785.png') center/cover no-repeat;
}
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(26,42,58,0.70), rgba(26,42,58,0.50), rgba(26,42,58,0.80));
}
.hero__content {
  position: relative; z-index: 1;
  text-align: center;
  color: #fff;
  max-width: 860px;
  padding: 2rem 1.25rem;
}
.hero__title {
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}
.hero__title span.num { color: #e5dfd6; }
.hero__subtitle {
  display: block;
  font-size: clamp(1.1rem, 3vw, 1.8rem);
  font-weight: 300;
  margin-top: 0.4rem;
  color: rgba(255,255,255,0.9);
}
.hero__tagline {
  color: #e5dfd6;
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-style: italic;
  font-weight: 300;
  letter-spacing: 0.04em;
  margin-bottom: 2.5rem;
}
.hero__btns { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }
.hero__scroll {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.5);
  animation: bounce 1.5s infinite;
}
.hero__scroll svg { width: 24px; height: 24px; }
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(6px)} }

/* Hero servicio (small) */
.hero-service {
  position: relative;
  height: 55vh; min-height: 380px;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero-service__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-service__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to right, rgba(26,42,58,0.90), rgba(26,42,58,0.60), transparent);
}
.hero-service__content {
  position: relative; z-index: 1;
  color: #fff; max-width: 600px;
}
.hero-service__content .label-accent { color: rgba(255,255,255,0.7); }
.hero-service__content h1 {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 900; margin-bottom: 1rem; line-height: 1.1;
}
.hero-service__content p { color: rgba(255,255,255,0.8); font-size: 1.05rem; max-width: 500px; line-height: 1.6; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 0.85rem 2rem;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none; cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}
.btn:hover { background: #9a2a3e; transform: translateY(-1px); }
.btn-outline {
  display: inline-block;
  background: transparent;
  color: #fff;
  padding: 0.85rem 2rem;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 2px solid rgba(255,255,255,0.4);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.08); }
.btn-primary {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 0.85rem 2rem;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none; cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}
.btn-primary:hover { background: #243a50; transform: translateY(-1px); }

/* ===== SECTIONS ===== */
.section { padding: 5rem 0; }
.section--alt { background: var(--muted); }
.section--primary { background: var(--primary); position: relative; overflow: hidden; }
.section__header { text-align: center; margin-bottom: 3.5rem; }

/* ===== CARDS ===== */
.card {
  background: #fff;
  border: 1px solid var(--border);
  padding: 1.5rem;
  transition: box-shadow 0.2s;
}
.card:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.09); }
.card__icon {
  width: 44px; height: 44px;
  background: rgba(26,42,58,0.08);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem;
}
.card__icon svg { width: 20px; height: 20px; color: var(--primary); }
.card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; }
.card p { font-size: 0.85rem; color: var(--muted-text); line-height: 1.6; }

/* Feature grid (2 cols) */
.feature-card {
  background: var(--muted);
  border: 1px solid var(--border);
  padding: 1.25rem;
  transition: border-color 0.2s;
}
.feature-card:hover { border-color: rgba(122,30,46,0.35); }
.feature-card svg { width: 24px; height: 24px; color: var(--accent); margin-bottom: 0.75rem; }
.feature-card h4 { font-size: 0.875rem; font-weight: 700; margin-bottom: 0.25rem; }
.feature-card p { font-size: 0.75rem; color: var(--muted-text); line-height: 1.55; }

/* ===== SERVICES GRID ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
.service-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1/1;
  display: block;
  border: 1px solid var(--border);
  transition: box-shadow 0.4s;
}
.service-card:hover { box-shadow: 0 12px 32px rgba(0,0,0,0.18); }
.service-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.6s;
}
.service-card:hover img { transform: scale(1.08); }
.service-card__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(26,42,58,0.92) 0%, rgba(26,42,58,0.3) 55%, transparent 100%);
  transition: transform 0.6s;
}
.service-card:hover .service-card__overlay { transform: scale(1.08); }
.service-card__body {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 1.5rem; color: #fff;
}
.service-card__body h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.4rem; }
.service-card__body p { font-size: 0.8rem; color: rgba(255,255,255,0.8); line-height: 1.5; opacity: 0; transition: opacity 0.3s; }
.service-card__body span { display: block; font-size: 0.7rem; color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 0.1em; margin-top: 0.4rem; opacity: 0; transition: opacity 0.3s 0.05s; }
.service-card:hover .service-card__body p,
.service-card:hover .service-card__body span { opacity: 1; }

/* ===== ABOUT SECTION ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.about-img-wrap { position: relative; }
.about-img-wrap img { width: 100%; object-fit: cover; box-shadow: 0 12px 40px rgba(0,0,0,0.18); }
.about-badge {
  position: absolute; bottom: -1.5rem; left: -1.5rem;
  background: var(--accent); color: #fff;
  padding: 1.25rem 1.5rem;
  display: block;
}
.about-badge p:first-child { font-size: 1.8rem; font-weight: 900; }
.about-badge p:last-child { font-size: 0.8rem; opacity: 0.8; }
.stats-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; margin: 2rem 0; }
.stat {
  text-align: center;
  padding: 1rem;
  background: var(--muted);
  border-radius: 8px;
}
.stat span { display: block; font-size: 1.6rem; font-weight: 900; color: var(--primary); }
.stat small { font-size: 0.7rem; color: var(--muted-text); text-transform: uppercase; letter-spacing: 0.08em; }
.features-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; margin-top: 4rem; }

/* ===== FAQ ===== */
.faq-list { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.faq-item {
  border: 1px solid var(--border);
  background: #fff;
  padding: 0 1.5rem;
}
.faq-question {
  width: 100%; background: none; border: none; cursor: pointer;
  text-align: left; font-family: inherit; font-size: 0.9rem; font-weight: 600;
  color: var(--text); padding: 1.25rem 0;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq-question svg { width: 16px; height: 16px; flex-shrink: 0; transition: transform 0.2s; }
.faq-answer { display: none; font-size: 0.875rem; color: var(--muted-text); line-height: 1.7; padding-bottom: 1.25rem; }
.faq-item.open .faq-question svg { transform: rotate(180deg); }
.faq-item.open .faq-answer { display: block; }

/* ===== CONTACT SECTION ===== */
.contact-section {
  position: relative; padding: 5rem 0;
  background: var(--primary);
  overflow: hidden;
}
.contact-section::before {
  content: '';
  position: absolute; inset: 0;
  background: url('https://media.base44.com/images/public/6a2071f83214318701426c3a/1991130ce_generated_d0e49785.png') center/cover;
  opacity: 0.08;
}
.contact-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.contact-label { color: rgba(255,255,255,0.6); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 0.75rem; }
.contact-title { font-size: clamp(1.7rem, 3.5vw, 2.5rem); font-weight: 900; color: #fff; margin-bottom: 2rem; }
.contact-form-fields { display: flex; flex-direction: column; gap: 1rem; }
.input-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.contact-input, .contact-textarea {
  width: 100%; padding: 0.65rem 0.9rem;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff; font-family: inherit; font-size: 0.875rem;
  border-radius: 6px;
  transition: border-color 0.2s;
}
.contact-input::placeholder, .contact-textarea::placeholder { color: rgba(255,255,255,0.45); }
.contact-input:focus, .contact-textarea:focus { outline: none; border-color: rgba(255,255,255,0.5); }
.contact-textarea { resize: vertical; }
.privacy-label { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.75rem; color: rgba(255,255,255,0.6); cursor: pointer; line-height: 1.5; }
.privacy-label a { color: #fff; text-decoration: underline; }
.contact-form-bottom { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.divider-text { color: rgba(255,255,255,0.4); font-size: 0.8rem; }
.contact-phone-link { color: #fff; font-weight: 700; font-size: 1rem; transition: color 0.2s; }
.contact-phone-link:hover { color: #e5dfd6; }
.contact-info-divider { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.1); }
.contact-info-divider p { color: rgba(255,255,255,0.5); font-size: 0.85rem; margin-bottom: 0.4rem; }
.contact-info-divider a { color: #fff; font-weight: 700; font-size: 1.1rem; }

.contact-info-items { display: flex; flex-direction: column; justify-content: center; gap: 1.5rem; }
.contact-info-item { display: flex; align-items: flex-start; gap: 1rem; }
.contact-info-icon {
  width: 48px; height: 48px; flex-shrink: 0;
  background: rgba(255,255,255,0.1);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}
.contact-info-icon svg { width: 20px; height: 20px; color: #fff; }
.contact-info-item h4 { color: #fff; font-weight: 600; margin-bottom: 0.3rem; font-size: 0.95rem; }
.contact-info-item a, .contact-info-item p { color: rgba(255,255,255,0.65); font-size: 0.85rem; display: block; transition: color 0.2s; line-height: 1.5; }
.contact-info-item a:hover { color: #fff; }

/* ===== PRESUPUESTO SECTION ===== */
.presupuesto-section {
  background: var(--primary); position: relative; padding: 5rem 0;
}
.presupuesto-section .container { position: relative; z-index: 1; max-width: 800px; }

/* ===== VALUE PROPS ===== */
.value-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.5rem; }
.value-card {
  background: #fff;
  border: 1px solid var(--border);
  padding: 1.5rem;
  transition: box-shadow 0.2s;
}
.value-card:hover { box-shadow: 0 6px 20px rgba(0,0,0,0.08); }
.value-card__icon {
  width: 44px; height: 44px;
  background: rgba(26,42,58,0.08);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem;
}
.value-card__icon svg { width: 20px; height: 20px; color: var(--primary); }
.value-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.value-card p { font-size: 0.83rem; color: var(--muted-text); line-height: 1.6; }

/* ===== FOOTER ===== */
.footer { background: var(--primary); color: rgba(255,255,255,0.7); }
.footer__main { padding: 4rem 0; }
.footer__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2.5rem; }
.footer h3 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 1rem; }
.footer h4 { color: #fff; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 1rem; }
.footer p { font-size: 0.85rem; line-height: 1.6; }
.footer p em { font-style: italic; font-size: 0.8rem; color: rgba(255,255,255,0.4); }
.footer__links { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.footer__links a { font-size: 0.85rem; color: rgba(255,255,255,0.65); transition: color 0.2s; display: flex; align-items: center; gap: 0.4rem; }
.footer__links a:hover { color: #fff; }
.footer__links svg { width: 13px; height: 13px; flex-shrink: 0; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 1.25rem 0; }
.footer__bottom .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; }
.footer__bottom p { font-size: 0.75rem; color: rgba(255,255,255,0.35); }

/* ===== PAGE HEADER (servicios, privacidad, trabaja) ===== */
.page-header { background: var(--primary); padding: 1rem 0; position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 12px rgba(0,0,0,0.25); }
.page-header__inner { display: flex; align-items: center; justify-content: space-between; }
.page-header__back { display: flex; align-items: center; gap: 0.4rem; color: rgba(255,255,255,0.75); font-size: 0.85rem; font-weight: 500; transition: color 0.2s; }
.page-header__back:hover { color: #fff; }
.page-header__back svg { width: 16px; height: 16px; }

.page-hero { background: rgba(26,42,58,0.95); padding: 4rem 0; text-align: center; }
.page-hero__icon {
  width: 56px; height: 56px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
}
.page-hero__icon svg { width: 28px; height: 28px; color: #fff; }
.page-hero h1 { font-size: clamp(1.8rem, 5vw, 3rem); font-weight: 900; color: #fff; margin-bottom: 0.5rem; }
.page-hero p { color: rgba(255,255,255,0.6); font-size: 0.85rem; }

/* ===== PRIVACIDAD ===== */
.privacy-content { padding: 4rem 0; columns: unset !important; column-count: unset !important; }
.privacy-content section { margin-bottom: 2.5rem; columns: unset !important; column-count: unset !important; }
.privacy-content * { columns: unset !important; column-count: unset !important; }
.privacy-content h2 { font-size: 1.1rem; font-weight: 700; color: var(--primary); margin-bottom: 0.75rem; }
.privacy-content p { color: var(--muted-text); font-size: 0.9rem; line-height: 1.75; margin-bottom: 0.75rem; }
.privacy-content ul { padding-left: 0; list-style: none; }
.privacy-content ul li { font-size: 0.875rem; color: var(--muted-text); padding: 0.2rem 0; }
.privacy-content ul li::before { content: '• '; color: var(--primary); }
.privacy-box { border: 1px solid var(--border); border-radius: 8px; padding: 1.25rem; margin-bottom: 1rem; }
.privacy-box h3 { font-size: 0.875rem; font-weight: 700; margin-bottom: 0.6rem; }
.privacy-box p { font-size: 0.8rem; color: var(--muted-text); margin-bottom: 0.4rem; }
.privacy-ref { border-left: 4px solid rgba(26,42,58,0.15); padding-left: 1rem; }
.privacy-ref li { font-size: 0.85rem; color: var(--muted-text); margin-bottom: 0.3rem; }

/* ===== TRABAJA FORM ===== */
.trabaja-hero { background: rgba(26,42,58,0.95); padding: 4rem 0; text-align: center; }
.trabaja-hero p { color: rgba(255,255,255,0.7); max-width: 580px; margin: 0 auto; font-size: 1rem; line-height: 1.6; }
.form-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
  margin-top: -2rem;
}
.form-card h2 { font-size: 1.4rem; font-weight: 700; color: var(--primary); margin-bottom: 0.3rem; }
.form-card > p { color: var(--muted-text); font-size: 0.875rem; margin-bottom: 2rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.form-field { display: flex; flex-direction: column; margin-bottom: 1rem; }
.form-field label { font-size: 0.85rem; font-weight: 600; color: var(--text); margin-bottom: 0.35rem; }
.form-input {
  padding: 0.65rem 0.9rem;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-family: inherit; font-size: 0.875rem;
  color: var(--text);
  transition: border-color 0.2s;
  background: #fff;
}
.form-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 2px rgba(26,42,58,0.08); }
.form-input::placeholder { color: #aaa; }
.form-select {
  padding: 0.65rem 0.9rem;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-family: inherit; font-size: 0.875rem;
  color: var(--text);
  background: #fff;
  cursor: pointer;
}
.form-select:focus { outline: none; border-color: var(--primary); }
.form-textarea {
  padding: 0.65rem 0.9rem;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-family: inherit; font-size: 0.875rem;
  color: var(--text);
  resize: vertical;
  transition: border-color 0.2s;
  background: #fff;
}
.form-textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 2px rgba(26,42,58,0.08); }
.privacy-check { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.82rem; color: var(--muted-text); line-height: 1.5; margin-bottom: 1.5rem; }
.privacy-check a { color: var(--primary); text-decoration: underline; }
.btn-full { width: 100%; justify-content: center; padding: 0.9rem; font-size: 0.875rem; border-radius: 6px; }

/* ===== GRIDS ===== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.grid-4 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-btn {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 200;
  width: 56px; height: 56px;
  background: #25d366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  transition: transform 0.2s, box-shadow 0.2s;
}
.whatsapp-btn:hover { transform: scale(1.08); box-shadow: 0 6px 20px rgba(0,0,0,0.3); }
.whatsapp-btn svg { width: 28px; height: 28px; fill: #fff; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .features-row { grid-template-columns: 1fr 1fr; }
  .about-badge { display: none !important; }
}
@media (max-width: 640px) {
  .footer__grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(3,1fr); }
  .features-row { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .input-row { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .about-badge { display: none !important; }
}