/* =========================================================
   RTEC Solutions — style.css
   Cores: Branco, Cinza, Azul, Preto
   ========================================================= */

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

:root {
  /* Paleta */
  --blue-900: #0a1628;
  --blue-800: #0d1f3c;
  --blue-700: #102a50;
  --blue-600: #1a3f7a;
  --blue-500: #1e4fa3;
  --blue-400: #2563eb;
  --blue-300: #3b82f6;
  --blue-200: #93c5fd;
  --blue-100: #dbeafe;
  --blue-50:  #eff6ff;

  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50:  #f9fafb;

  --white: #ffffff;
  --black: #000000;

  /* Semânticos */
  --color-primary:     var(--blue-400);
  --color-primary-dark: var(--blue-600);
  --color-primary-light: var(--blue-100);
  --color-bg:          var(--white);
  --color-surface:     var(--gray-50);
  --color-border:      var(--gray-200);
  --color-text:        var(--gray-800);
  --color-text-muted:  var(--gray-500);
  --color-heading:     var(--gray-900);
  --color-dark-bg:     var(--blue-900);

  /* Tipografia */
  --font-body: 'Inter', system-ui, sans-serif;
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;

  /* Espaçamento */
  --space-1: 0.25rem;  --space-2: 0.5rem;   --space-3: 0.75rem;
  --space-4: 1rem;     --space-5: 1.25rem;  --space-6: 1.5rem;
  --space-8: 2rem;     --space-10: 2.5rem;  --space-12: 3rem;
  --space-16: 4rem;    --space-20: 5rem;    --space-24: 6rem;

  /* Bordas e sombras */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:  0 4px 12px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.06);
  --shadow-lg:  0 10px 30px rgba(0,0,0,.12), 0 4px 10px rgba(0,0,0,.08);
  --shadow-xl:  0 20px 50px rgba(0,0,0,.15), 0 8px 20px rgba(0,0,0,.10);
  --shadow-blue: 0 8px 30px rgba(37,99,235,.35);

  /* Transições */
  --transition: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Navbar */
  --navbar-h: 72px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

/* ---------- SCROLL BAR ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--blue-400); border-radius: var(--radius-full); }

/* ---------- SELEÇÃO ---------- */
::selection { background: var(--blue-400); color: var(--white); }

/* ---------- CONTAINER ---------- */
.container {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-6);
}

/* ---------- GRADIENTE DE TEXTO ---------- */
.text-gradient {
  background: linear-gradient(135deg, var(--blue-400) 0%, var(--blue-200) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- BOTÕES ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}
.btn--lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }
.btn--full { width: 100%; justify-content: center; }

.btn--primary {
  background: var(--blue-400);
  color: var(--white);
  border-color: var(--blue-400);
  box-shadow: var(--shadow-blue);
}
.btn--primary:hover {
  background: var(--blue-500);
  border-color: var(--blue-500);
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(37,99,235,.45);
}

.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);
  transform: translateY(-2px);
}

.btn--white {
  background: var(--white);
  color: var(--blue-600);
  border-color: var(--white);
  box-shadow: var(--shadow-lg);
}
.btn--white:hover {
  background: var(--blue-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

/* ---------- SECTION HEADER ---------- */
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}
.section-tag {
  display: inline-block;
  background: var(--blue-100);
  color: var(--blue-500);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
  border: 1px solid var(--blue-200);
}
.section-title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 800;
  color: var(--color-heading);
  line-height: 1.15;
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}
.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 580px;
  margin-inline: auto;
  line-height: 1.7;
}

/* =========================================================
   NAVBAR
   ========================================================= */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--navbar-h);
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.navbar.scrolled {
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--gray-200);
}
.navbar__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* Logo */
.logo-mark {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.logo-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--blue-400) 0%, var(--blue-600) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: var(--text-xl);
  box-shadow: var(--shadow-blue);
  flex-shrink: 0;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-name {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -0.03em;
}
.logo-tagline {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--blue-400);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Links */
.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.nav-link {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--gray-600);
  transition: var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 16px;
  height: 2px;
  background: var(--blue-400);
  border-radius: var(--radius-full);
  transition: var(--transition);
}
.nav-link:hover,
.nav-link.active {
  color: var(--blue-400);
}
.nav-link:hover::after,
.nav-link.active::after { transform: translateX(-50%) scaleX(1); }

/* Hamburger */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.navbar__hamburger:hover { background: var(--gray-100); }
.navbar__hamburger span {
  display: block;
  height: 2px;
  background: var(--gray-700);
  border-radius: var(--radius-full);
  transition: var(--transition);
  width: 24px;
}
.navbar__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.navbar__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--blue-900);
  padding-top: var(--navbar-h);
  overflow: hidden;
}

/* Fundo animado */
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,.12) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}
.hero__bg::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(37,99,235,.18) 0%, transparent 70%);
  border-radius: 50%;
}
.hero__bg::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(147,197,253,.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding-block: var(--space-24);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 780px;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(37,99,235,.2);
  color: var(--blue-200);
  border: 1px solid rgba(37,99,235,.4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-2) var(--space-4);
  margin-bottom: var(--space-6);
  letter-spacing: 0.02em;
}
.hero__title {
  font-size: clamp(var(--text-4xl), 6vw, var(--text-6xl));
  font-weight: 800;
  line-height: 1.1;
  color: var(--white);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
}
.hero__subtitle {
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  color: rgba(255,255,255,.72);
  max-width: 560px;
  margin-bottom: var(--space-10);
  line-height: 1.75;
}
.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-16);
}

/* Stats */
.hero__stats {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.stat__number {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.03em;
  line-height: 1;
}
.stat > span:not(.stat__number):not(.stat__label) {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--blue-300);
  line-height: 1;
}
.stat__label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: rgba(255,255,255,.5);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: var(--space-1);
}
.stat__divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,.15);
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,.4);
  font-size: var(--text-lg);
  animation: bounce 2s infinite;
  z-index: 2;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* =========================================================
   ABOUT
   ========================================================= */
.about {
  padding-block: var(--space-24);
  background: var(--color-bg);
}
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

/* Visual */
.about__visual { position: relative; }
.about__image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}
.about__image-bg {
  position: absolute;
  inset: -20px;
  background: linear-gradient(135deg, var(--blue-100) 0%, var(--blue-50) 100%);
  border-radius: var(--radius-2xl);
  z-index: 0;
}
.about__image-card {
  position: relative;
  z-index: 1;
  background: var(--white);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-xl);
  width: 100%;
}
.about__icon-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.icon-box {
  aspect-ratio: 1;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  color: var(--blue-400);
  transition: var(--transition);
  cursor: default;
}
.icon-box:hover {
  background: var(--blue-50);
  border-color: var(--blue-200);
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}
.icon-box--main {
  background: linear-gradient(135deg, var(--blue-400) 0%, var(--blue-600) 100%);
  border-color: transparent;
  color: var(--white);
  font-size: var(--text-3xl);
  box-shadow: var(--shadow-blue);
}
.icon-box--main:hover {
  background: linear-gradient(135deg, var(--blue-500) 0%, var(--blue-700) 100%);
  border-color: transparent;
}

/* Content */
.about__heading {
  font-size: clamp(var(--text-2xl), 3vw, var(--text-3xl));
  font-weight: 700;
  color: var(--color-heading);
  line-height: 1.25;
  margin-bottom: var(--space-4);
}
.about__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.about__pillars { margin-block: var(--space-8); display: flex; flex-direction: column; gap: var(--space-5); }
.pillar {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}
.pillar__icon {
  width: 44px; height: 44px;
  min-width: 44px;
  background: var(--blue-100);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-500);
  font-size: var(--text-lg);
  border: 1px solid var(--blue-200);
}
.pillar__title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--space-1);
}
.pillar__desc { font-size: var(--text-sm); color: var(--color-text-muted); }

/* =========================================================
   SERVICES
   ========================================================= */
.services {
  padding-block: var(--space-24);
  background: var(--gray-50);
}
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-400) 0%, var(--blue-200) 100%);
  opacity: 0;
  transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--blue-100);
}
.service-card:hover::before { opacity: 1; }

.service-card__icon {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, var(--blue-400) 0%, var(--blue-600) 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  color: var(--white);
  margin-bottom: var(--space-5);
  box-shadow: var(--shadow-blue);
  transition: var(--transition);
}
.service-card:hover .service-card__icon { transform: scale(1.1); }

.service-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}
.service-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  flex: 1;
  line-height: 1.75;
}
.service-card__list {
  margin-bottom: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.service-card__list li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--gray-700);
}
.service-card__list li i {
  color: var(--blue-400);
  font-size: var(--text-xs);
  flex-shrink: 0;
}
.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--blue-400);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-top: auto;
  transition: var(--transition);
}
.service-card__link i { transition: var(--transition); }
.service-card__link:hover { color: var(--blue-500); }
.service-card__link:hover i { transform: translateX(4px); }

/* =========================================================
   CTA BANNER
   ========================================================= */
.cta-banner {
  background: linear-gradient(135deg, var(--blue-700) 0%, var(--blue-900) 100%);
  padding-block: var(--space-16);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 40px 40px;
}
.cta-banner__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.cta-banner__content h2 {
  font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
  font-weight: 800;
  color: var(--white);
  margin-bottom: var(--space-3);
  line-height: 1.2;
}
.cta-banner__content p {
  font-size: var(--text-lg);
  color: rgba(255,255,255,.7);
  max-width: 480px;
}

/* =========================================================
   CONTACT
   ========================================================= */
.contact {
  padding-block: var(--space-24);
  background: var(--color-bg);
}
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-12);
  align-items: start;
}

/* Informações */
.contact__info-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--space-8);
}
.contact-item {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-4) var(--space-5);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-4);
  transition: var(--transition);
}
.contact-item:hover {
  border-color: var(--blue-200);
  background: var(--blue-50);
  transform: translateX(4px);
}
.contact-item__icon {
  width: 48px; height: 48px;
  min-width: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  color: var(--white);
}
.contact-item__icon--whatsapp { background: #25d366; }
.contact-item__icon--email    { background: var(--blue-400); }
.contact-item__icon--location { background: var(--gray-700); }
.contact-item__icon--hours    { background: var(--blue-600); }

.contact-item__label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}
.contact-item__value {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-heading);
}
a.contact-item__value:hover { color: var(--blue-400); }

.contact__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
}
.social-btn {
  width: 46px; height: 46px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  color: var(--white);
  transition: var(--transition);
  border: 2px solid transparent;
}
.social-btn--whatsapp { background: #25d366; }
.social-btn--whatsapp:hover { background: #1fad55; transform: translateY(-3px); box-shadow: 0 8px 20px rgba(37,211,102,.4); }
.social-btn--email { background: var(--blue-400); }
.social-btn--email:hover { background: var(--blue-500); transform: translateY(-3px); box-shadow: var(--shadow-blue); }

/* Formulário */
.contact__form-wrapper {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
}
.contact__form-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--space-6);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.form-group { display: flex; flex-direction: column; margin-bottom: var(--space-5); }
.form-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: var(--space-2);
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: var(--transition);
  outline: none;
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue-400);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray-400); }
.form-group select { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236b7280' d='M1 1l5 5 5-5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-error { font-size: var(--text-xs); color: #ef4444; margin-top: var(--space-1); min-height: 16px; }

.form-success {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  color: #166534;
  font-size: var(--text-sm);
  margin-top: var(--space-4);
  animation: fadeIn .4s ease;
}
.form-success i { font-size: var(--text-xl); color: #22c55e; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  background: var(--blue-900);
  color: rgba(255,255,255,.75);
  padding-top: var(--space-20);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1.3fr;
  gap: var(--space-10);
  padding-bottom: var(--space-16);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer__brand { max-width: 280px; }
.logo-mark--footer .logo-name { color: var(--white); }
.logo-mark--footer .logo-tagline { color: var(--blue-300); }
.footer__brand-desc {
  font-size: var(--text-sm);
  line-height: 1.75;
  margin-block: var(--space-4);
  color: rgba(255,255,255,.6);
}
.footer__social { display: flex; gap: var(--space-3); }

.footer__col-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-5);
}
.footer__links { display: flex; flex-direction: column; gap: var(--space-3); }
.footer__links a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.6);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: var(--transition);
}
.footer__links a i { font-size: var(--text-xs); color: var(--blue-300); }
.footer__links a:hover { color: var(--white); transform: translateX(4px); }

.footer__contact-list { display: flex; flex-direction: column; gap: var(--space-4); }
.footer__contact-list li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255,255,255,.6);
}
.footer__contact-list li i { color: var(--blue-300); font-size: var(--text-base); width: 18px; }
.footer__contact-list a { color: rgba(255,255,255,.6); }
.footer__contact-list a:hover { color: var(--white); }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: var(--space-6);
  font-size: var(--text-sm);
  color: rgba(255,255,255,.4);
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* =========================================================
   WHATSAPP FLUTUANTE
   ========================================================= */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  z-index: 999;
  width: 60px; height: 60px;
  background: #25d366;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--white);
  box-shadow: 0 6px 24px rgba(37,211,102,.55);
  transition: var(--transition);
  animation: pulse-wa 2.5s infinite;
}
.whatsapp-float:hover {
  transform: scale(1.12);
  box-shadow: 0 10px 32px rgba(37,211,102,.70);
  animation: none;
}
@keyframes pulse-wa {
  0%, 100% { box-shadow: 0 6px 24px rgba(37,211,102,.55); }
  50%       { box-shadow: 0 6px 36px rgba(37,211,102,.80), 0 0 0 10px rgba(37,211,102,.1); }
}

.whatsapp-float__tooltip {
  position: absolute;
  right: 70px;
  background: var(--gray-900);
  color: var(--white);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateX(6px);
  transition: var(--transition);
}
.whatsapp-float__tooltip::after {
  content: '';
  position: absolute;
  top: 50%; right: -6px;
  transform: translateY(-50%);
  border: 4px solid transparent;
  border-left-color: var(--gray-900);
}
.whatsapp-float:hover .whatsapp-float__tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* =========================================================
   RESPONSIVO
   ========================================================= */

/* Tablet ≤ 1024px */
@media (max-width: 1024px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .about__grid { grid-template-columns: 1fr; gap: var(--space-12); }
  .about__visual { order: -1; max-width: 480px; margin-inline: auto; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
}

/* Mobile grande ≤ 768px */
@media (max-width: 768px) {
  .navbar__menu {
    position: fixed;
    top: var(--navbar-h);
    left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
    padding: var(--space-6);
    transform: translateY(-110%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
  }
  .navbar__menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .navbar__links { flex-direction: column; gap: var(--space-1); }
  .nav-link { padding: var(--space-3) var(--space-4); width: 100%; }
  .navbar__cta { display: none; }
  .navbar__hamburger { display: flex; }

  .hero__content { padding-block: var(--space-16); }
  .hero__stats { gap: var(--space-5); }
  .hero__actions { flex-direction: column; width: 100%; }
  .hero__actions .btn { justify-content: center; }

  .contact__grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-banner__inner { flex-direction: column; text-align: center; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__brand { max-width: 100%; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .services__grid { grid-template-columns: 1fr; }
}

/* Mobile pequeno ≤ 480px */
@media (max-width: 480px) {
  .container { padding-inline: var(--space-4); }
  .whatsapp-float { bottom: var(--space-5); right: var(--space-5); width: 54px; height: 54px; font-size: 1.5rem; }
  .contact__form-wrapper { padding: var(--space-6); }
}