/* ============================================
   UNATEK SOLUÇÕES — Site Institucional
   Paleta: #0D4C97, #0A7ACB, #0A2E63, #6E7B87, #F3F6FA
   Fontes: Montserrat + Inter
   ============================================ */

:root {
  --azul-principal: #0D4C97;
  --azul-secundario: #0A7ACB;
  --navy: #0A2E63;
  --cinza: #6E7B87;
  --cinza-claro: #F3F6FA;
  --branco: #FFFFFF;
  --texto: #2D3748;
  --texto-leve: #718096;
  --sombra: 0 4px 24px rgba(10, 46, 99, 0.08);
  --sombra-hover: 0 12px 40px rgba(10, 46, 99, 0.15);
  --radius: 12px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  color: var(--texto);
  background: var(--branco);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--navy);
}

a { color: var(--azul-secundario); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--azul-principal); }

img { max-width: 100%; height: auto; display: block; }

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

/* ============================================
   HEADER / NAVEGAÇÃO
   ============================================ */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(13,76,151,0.06);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: var(--sombra); }

.header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}

.header__logo img { height: 44px; width: auto; }

.header__nav { display: flex; align-items: center; gap: 32px; }
.header__nav a {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9rem; font-weight: 600;
  color: var(--navy); letter-spacing: 0.02em;
  position: relative; padding: 4px 0;
}
.header__nav a::after {
  content: ''; position: absolute; bottom: -2px; left: 0;
  width: 0; height: 2px; background: var(--azul-secundario);
  transition: width var(--transition);
}
.header__nav a:hover { color: var(--azul-secundario); }
.header__nav a:hover::after { width: 100%; }

.header__cta {
  background: var(--azul-principal); color: var(--branco) !important;
  padding: 10px 24px; border-radius: 8px; font-size: 0.85rem;
  font-weight: 600; transition: all var(--transition);
}
.header__cta:hover { background: var(--azul-secundario); transform: translateY(-1px); }
.header__cta::after { display: none; }

.header__mobile-toggle {
  display: none; background: none; border: none; cursor: pointer;
  flex-direction: column; gap: 5px; padding: 8px;
}
.header__mobile-toggle span {
  width: 24px; height: 2px; background: var(--navy);
  transition: all var(--transition);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  padding: 160px 0 100px;
  background: linear-gradient(135deg, var(--cinza-claro) 0%, var(--branco) 50%, var(--cinza-claro) 100%);
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -50%; right: -20%;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(10,122,203,0.07) 0%, transparent 70%);
}
.hero::after {
  content: ''; position: absolute; bottom: -30%; left: -10%;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(13,76,151,0.05) 0%, transparent 70%);
}

.hero .container {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center; position: relative; z-index: 1;
}

.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(13,76,151,0.08); color: var(--azul-principal);
  padding: 6px 16px; border-radius: 100px;
  font-size: 0.8rem; font-weight: 600; margin-bottom: 20px;
  font-family: 'Montserrat', sans-serif;
}
.hero__badge::before { content: '↗'; font-size: 1rem; }

.hero h1 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); margin-bottom: 20px; }
.hero h1 span { color: var(--azul-secundario); }

.hero__desc {
  font-size: 1.15rem; color: var(--cinza);
  max-width: 500px; margin-bottom: 36px; line-height: 1.8;
}

.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero__visual {
  display: flex; justify-content: center; align-items: center;
}
.hero__visual-box {
  width: 100%; max-width: 460px; aspect-ratio: 1;
  background: linear-gradient(135deg, var(--azul-principal), var(--azul-secundario));
  border-radius: 32px; position: relative; overflow: hidden;
  box-shadow: 0 40px 80px rgba(10,46,99,0.2);
}
.hero__visual-box::before {
  content: ''; position: absolute; inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="1.5" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="40" r="1" fill="rgba(255,255,255,0.08)"/><circle cx="80" cy="25" r="1.2" fill="rgba(255,255,255,0.1)"/><circle cx="35" cy="70" r="0.8" fill="rgba(255,255,255,0.06)"/><circle cx="70" cy="65" r="1.4" fill="rgba(255,255,255,0.08)"/><circle cx="15" cy="85" r="1" fill="rgba(255,255,255,0.07)"/><circle cx="90" cy="80" r="1.3" fill="rgba(255,255,255,0.09)"/></svg>');
  background-size: 200px; opacity: 0.5;
}
.hero__visual-box img {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 65%; filter: brightness(0) invert(1); opacity: 0.95;
}

/* ============================================
   BOTÕES
   ============================================ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 8px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9rem; font-weight: 600;
  transition: all var(--transition); cursor: pointer; border: none;
  text-decoration: none;
}
.btn--primary {
  background: var(--azul-principal); color: var(--branco);
  box-shadow: 0 4px 16px rgba(13,76,151,0.3);
}
.btn--primary:hover {
  background: var(--azul-secundario); color: var(--branco);
  transform: translateY(-2px); box-shadow: 0 8px 24px rgba(10,122,203,0.35);
}
.btn--outline {
  background: transparent; color: var(--azul-principal);
  border: 2px solid var(--azul-principal);
}
.btn--outline:hover {
  background: var(--azul-principal); color: var(--branco);
  transform: translateY(-2px);
}
.btn--white {
  background: var(--branco); color: var(--azul-principal);
}
.btn--white:hover { transform: translateY(-2px); box-shadow: var(--sombra); }

/* ============================================
   SEÇÕES GERAIS
   ============================================ */
.section { padding: 100px 0; }
.section--alt { background: var(--cinza-claro); }
.section--dark { background: var(--navy); color: var(--branco); }
.section--dark h2, .section--dark h3 { color: var(--branco); }
.section--dark .section__sub { color: rgba(255,255,255,0.65); }

.section__header {
  text-align: center; max-width: 640px;
  margin: 0 auto 64px;
}
.section__label {
  display: inline-block; font-family: 'Montserrat', sans-serif;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--azul-secundario);
  margin-bottom: 12px;
}
.section--dark .section__label { color: rgba(255,255,255,0.5); }

.section__header h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); margin-bottom: 16px; }
.section__sub { color: var(--cinza); font-size: 1.05rem; }

/* ============================================
   SERVIÇOS
   ============================================ */
.servicos__grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.servico-card {
  background: var(--branco); border-radius: var(--radius);
  padding: 36px 28px; box-shadow: var(--sombra);
  transition: all var(--transition); position: relative;
  overflow: hidden;
}
.servico-card::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--azul-principal), var(--azul-secundario));
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition);
}
.servico-card:hover { transform: translateY(-4px); box-shadow: var(--sombra-hover); }
.servico-card:hover::before { transform: scaleX(1); }

.servico-card__icon {
  width: 52px; height: 52px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(13,76,151,0.08), rgba(10,122,203,0.08));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; font-size: 1.5rem;
}

.servico-card h3 {
  font-size: 1.15rem; margin-bottom: 10px;
  font-family: 'Montserrat', sans-serif;
}
.servico-card p { color: var(--cinza); font-size: 0.92rem; line-height: 1.7; }

/* ============================================
   PORTFÓLIO
   ============================================ */
.portfolio__grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
}
.portfolio-card {
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--sombra); transition: all var(--transition);
  background: var(--branco);
}
.portfolio-card:hover { transform: translateY(-6px); box-shadow: var(--sombra-hover); }

.portfolio-card__img {
  position: relative; overflow: hidden; aspect-ratio: 16/10;
}
.portfolio-card__img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s ease;
}
.portfolio-card:hover .portfolio-card__img img { transform: scale(1.05); }

.portfolio-card__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10,46,99,0.85));
  opacity: 0; transition: opacity var(--transition);
  display: flex; align-items: flex-end; padding: 24px;
}
.portfolio-card:hover .portfolio-card__overlay { opacity: 1; }
.portfolio-card__overlay span {
  color: var(--branco); font-family: 'Montserrat', sans-serif;
  font-weight: 600; font-size: 0.85rem;
}

.portfolio-card__body { padding: 24px; }
.portfolio-card__body h3 { font-size: 1.15rem; margin-bottom: 8px; }
.portfolio-card__body p { color: var(--cinza); font-size: 0.9rem; margin-bottom: 16px; }

.portfolio-card__tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  padding: 4px 12px; border-radius: 100px;
  font-size: 0.72rem; font-weight: 600;
  font-family: 'Montserrat', sans-serif;
  background: rgba(13,76,151,0.07); color: var(--azul-principal);
}

/* ============================================
   SOBRE
   ============================================ */
.sobre__grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
}
.sobre__content h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 20px; }
.sobre__content p { color: var(--cinza); margin-bottom: 16px; font-size: 1.02rem; }
.sobre__content .highlight {
  color: var(--azul-principal); font-weight: 600;
}

.sobre__stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px; margin-top: 36px;
}
.stat { text-align: center; }
.stat__number {
  font-family: 'Montserrat', sans-serif;
  font-size: 2.2rem; font-weight: 800;
  color: var(--azul-principal);
  line-height: 1;
}
.stat__label { font-size: 0.82rem; color: var(--cinza); margin-top: 4px; }

.sobre__image {
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--sombra-hover);
}
.sobre__image-placeholder {
  width: 100%; aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--azul-principal), var(--azul-secundario));
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.6); font-size: 0.9rem;
  font-family: 'Montserrat', sans-serif;
}

/* ============================================
   BLOG
   ============================================ */
.blog__grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}
.blog-card {
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--sombra); transition: all var(--transition);
  background: var(--branco);
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--sombra-hover); }

.blog-card__img { aspect-ratio: 2/1; overflow: hidden; }
.blog-card__img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.blog-card:hover .blog-card__img img { transform: scale(1.04); }

.blog-card__body { padding: 24px; }
.blog-card__date {
  font-size: 0.78rem; color: var(--azul-secundario);
  font-weight: 600; margin-bottom: 8px;
  font-family: 'Montserrat', sans-serif;
}
.blog-card__body h3 { font-size: 1.1rem; margin-bottom: 8px; }
.blog-card__body p { color: var(--cinza); font-size: 0.88rem; }

/* ============================================
   CONTATO
   ============================================ */
.contato__grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: start;
}
.contato__info h3 { font-size: 1.3rem; margin-bottom: 16px; }
.contato__info p { color: var(--cinza); margin-bottom: 24px; }

.contato__item {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 20px;
}
.contato__item-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(13,76,151,0.08);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0;
}
.contato__item-text { font-size: 0.95rem; }
.contato__item-label { font-size: 0.78rem; color: var(--cinza); }

.contato__form { display: flex; flex-direction: column; gap: 16px; }
.contato__form input,
.contato__form textarea {
  width: 100%; padding: 14px 18px;
  border: 1.5px solid #E2E8F0; border-radius: 8px;
  font-family: 'Inter', sans-serif; font-size: 0.92rem;
  transition: all var(--transition); background: var(--branco);
  color: var(--texto);
}
.contato__form input:focus,
.contato__form textarea:focus {
  outline: none; border-color: var(--azul-secundario);
  box-shadow: 0 0 0 3px rgba(10,122,203,0.1);
}
.contato__form textarea { min-height: 140px; resize: vertical; }
.contato__form .btn { align-self: flex-start; }

.contato__socials {
  display: flex; gap: 12px; margin-top: 8px;
}
.contato__social-link {
  width: 40px; height: 40px; border-radius: 10px;
  background: rgba(13,76,151,0.08);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition); font-size: 1rem;
}
.contato__social-link:hover {
  background: var(--azul-principal); color: var(--branco);
  transform: translateY(-2px);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--navy); color: rgba(255,255,255,0.6);
  padding: 60px 0 28px;
}
.footer__grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 48px;
}
.footer__brand img { height: 40px; margin-bottom: 16px; }
.footer__brand p { font-size: 0.88rem; max-width: 280px; line-height: 1.7; }

.footer__col h4 {
  color: var(--branco); font-family: 'Montserrat', sans-serif;
  font-size: 0.85rem; font-weight: 700; margin-bottom: 16px;
  text-transform: uppercase; letter-spacing: 0.1em;
}
.footer__col a {
  display: block; color: rgba(255,255,255,0.55);
  font-size: 0.88rem; margin-bottom: 10px;
  transition: color var(--transition);
}
.footer__col a:hover { color: var(--branco); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px; text-align: center;
  font-size: 0.82rem;
}

/* ============================================
   ANIMAÇÕES (scroll reveal)
   ============================================ */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ============================================
   RESPONSIVO
   ============================================ */
@media (max-width: 968px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero__desc { margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .hero__visual { order: -1; }
  .hero__visual-box { max-width: 300px; }
  .sobre__grid { grid-template-columns: 1fr; }
  .contato__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .header__nav { display: none; }
  .header__mobile-toggle { display: flex; }
  .header__nav.active {
    display: flex; flex-direction: column;
    position: absolute; top: 72px; left: 0; right: 0;
    background: var(--branco); padding: 24px;
    box-shadow: var(--sombra); gap: 16px;
  }
  .portfolio__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .sobre__stats { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .stat__number { font-size: 1.6rem; }
}