/* ===== VARIÁVEIS (edite as cores aqui) ===== */
:root {
  --black: #0a0a0a;
  --black-2: #121212;
  --gray-900: #1a1a1a;
  --gray-700: #2e2e2e;
  --gray-500: #8a8a8a;
  --gray-300: #b5b5b5;
  --white: #f5f5f5;
  --logo-color: var(--white); /* troque para mudar a cor da logo: ex. #000, #9a9a9a */
  --metal: linear-gradient(135deg, #ffffff 0%, #9a9a9a 50%, #e6e6e6 100%);

  --font-body: "Manrope", system-ui, sans-serif;
  --font-title: "Syne", "Manrope", sans-serif;

  --radius: 12px;
  --max: 1160px;
}

/* ===== BASE ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--gray-300);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
h1, h2, h3 { font-family: var(--font-title); color: var(--white); line-height: 1.1; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ===== BOTÕES ===== */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 500;
  font-size: .95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: .25s;
  font-family: inherit;
}
.btn--primary { background: var(--white); color: var(--black); }
.btn--primary:hover { background: var(--gray-300); }
.btn--ghost { border-color: var(--gray-700); color: var(--white); }
.btn--ghost:hover { border-color: var(--white); }

/* ===== HEADER ===== */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: rgba(10, 10, 10, .75);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-900);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.header__logo .logo { height: 34px; }
.header__logo:hover .logo { --logo-color: var(--gray-300); }
.nav { display: flex; gap: 36px; }
.nav a { font-size: .95rem; color: var(--gray-300); transition: .2s; }
.nav a:hover { color: var(--white); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; width: 28px; height: 20px; position: relative; }
.nav-toggle span { position: absolute; left: 0; width: 100%; height: 2px; background: var(--white); transition: .3s; }
.nav-toggle span:first-child { top: 4px; }
.nav-toggle span:last-child { bottom: 4px; }
.nav-toggle.active span:first-child { top: 9px; transform: rotate(45deg); }
.nav-toggle.active span:last-child { bottom: 9px; transform: rotate(-45deg); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding-top: 72px;
  background: radial-gradient(circle at 75% 45%, #262626 0%, var(--black) 55%);
}
.hero__inner { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
.hero h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  background: var(--metal);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.hero__subtitle { font-size: 1.2rem; color: var(--white); margin: 16px 0; }
.hero__desc { max-width: 460px; margin-bottom: 36px; }
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__logo img { width: 100%; max-width: 420px; margin-left: auto; animation: float 6s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-14px); } }

/* ===== SEÇÕES ===== */
.section { padding: 120px 0; }
.section--alt { background: var(--black-2); }
.section__head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 56px; }
.section__num { font-family: var(--font-title); color: var(--gray-500); font-size: .9rem; }
.section__head h2 { font-size: clamp(2rem, 4vw, 3rem); }

/* Sobre */
.about__content { max-width: 720px; margin-left: auto; }
.about__content p { margin-bottom: 20px; font-size: 1.05rem; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; border-top: 1px solid var(--gray-700); padding-top: 32px; }
.stats strong { display: block; font-family: var(--font-title); font-size: 2.5rem; color: var(--white); }
.stats span { font-size: .85rem; color: var(--gray-500); }

/* Serviços */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  padding: 36px 28px;
  border: 1px solid var(--gray-700);
  border-radius: var(--radius);
  background: var(--gray-900);
  transition: .3s;
}
.card:hover { border-color: var(--gray-500); transform: translateY(-4px); }
.card h3 { font-size: 1.3rem; margin-bottom: 12px; }
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 40px; }
.tags li { padding: 8px 16px; border: 1px solid var(--gray-700); border-radius: 999px; font-size: .85rem; }

/* Projetos */
.projects { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.project { border-radius: var(--radius); overflow: hidden; background: var(--gray-900); border: 1px solid var(--gray-700); transition: .3s; }
.project:hover { border-color: var(--gray-500); }
.project__img {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--gray-700), var(--black-2));
  display: grid; place-items: center;
  color: var(--gray-300); font-size: .85rem;
}
.project__body { padding: 28px; }
.project__body h3 { font-size: 1.3rem; margin-bottom: 8px; }
.project__links { display: flex; gap: 24px; margin-top: 20px; font-size: .9rem; }
.project__links a { color: var(--white); border-bottom: 1px solid var(--gray-700); }
.project__links a:hover { border-color: var(--white); }

/* Contato */
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.contact__lead { font-family: var(--font-title); font-size: 1.8rem; color: var(--white); margin-bottom: 32px; }
.contact__list li { display: flex; justify-content: space-between; padding: 16px 0; border-bottom: 1px solid var(--gray-700); }
.contact__list span { color: var(--gray-500); }
.contact__list a { color: var(--white); }
.form { display: flex; flex-direction: column; gap: 16px; }
.form input, .form textarea {
  padding: 16px;
  background: var(--gray-900);
  border: 1px solid var(--gray-700);
  border-radius: var(--radius);
  color: var(--white);
  font: inherit;
  resize: vertical;
}
.form input:focus, .form textarea:focus { outline: none; border-color: var(--gray-300); }
.form .btn { align-self: flex-start; }

/* ===== FOOTER ===== */
.footer { padding: 40px 0; border-top: 1px solid var(--gray-900); }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: .85rem; color: var(--gray-500); }
.footer__logo { height: 30px; }

/* ===== ANIMAÇÃO DE ENTRADA ===== */
.reveal { opacity: 0; transform: translateY(30px); transition: .8s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ===== RESPONSIVO ===== */
@media (max-width: 900px) {
  .hero__inner, .contact__grid { grid-template-columns: 1fr; }
  .hero__logo { order: -1; }
  .hero__logo img { max-width: 220px; margin: 0 auto; }
  .cards, .projects { grid-template-columns: 1fr; }
  .about__content { margin-left: 0; }
}
@media (max-width: 720px) {
  .nav {
    position: fixed; top: 72px; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: var(--black);
    border-bottom: 1px solid var(--gray-900);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .25s, transform .25s, visibility .25s;
  }
  .nav.open { opacity: 1; visibility: visible; transform: none; }
  .nav a { padding: 18px 24px; border-top: 1px solid var(--gray-900); }
  .nav-toggle { display: block; }
  .section { padding: 80px 0; }
  .stats { grid-template-columns: 1fr; }
  .footer__inner { flex-direction: column; text-align: center; }
}