/* ===== Greentech LTDA — clean, modern single page ===== */

:root {
  --green-600: #059669;
  --green-500: #10b981;
  --green-400: #34d399;
  --green-050: #ecfdf5;
  --ink-900: #0f172a;
  --ink-600: #475569;
  --ink-400: #94a3b8;
  --surface: #ffffff;
  --surface-alt: #f8fafc;
  --border: #e2e8f0;
  --radius: 16px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 30px -12px rgba(15, 23, 42, 0.18);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink-900);
  background: var(--surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: min(1100px, 100% - 3rem);
  margin-inline: auto;
}

h1, h2, h3 {
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.4rem, 5.5vw, 3.8rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.1rem; font-weight: 600; }

p { margin: 0 0 1em; }

a { color: inherit; }

/* ===== Header ===== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-block: 0.9rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
}

.brand-mark { display: block; border-radius: 10px; }
.brand-mark-sm { border-radius: 7px; }

.brand-name {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.site-nav {
  display: flex;
  gap: 1.6rem;
  margin-inline: auto;
}

.site-nav a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-600);
  transition: color 0.15s;
}

.site-nav a:hover { color: var(--green-600); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

/* ===== Buttons ===== */

.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.8rem 1.7rem;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}

.btn-primary {
  background: var(--green-600);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--green-500);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  color: var(--ink-900);
  border: 1px solid var(--border);
  background: var(--surface);
}

.btn-ghost:hover { border-color: var(--green-500); color: var(--green-600); }

.btn-sm { padding: 0.5rem 1.1rem; font-size: 0.88rem; }
.btn-lg { padding: 1rem 2.2rem; font-size: 1.05rem; }

/* ===== Hero ===== */

.hero {
  background:
    radial-gradient(60% 90% at 85% 0%, rgba(52, 211, 153, 0.16) 0%, transparent 70%),
    radial-gradient(50% 80% at 10% 100%, rgba(5, 150, 105, 0.10) 0%, transparent 70%),
    var(--surface);
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  padding-block: clamp(5rem, 12vw, 8.5rem);
  max-width: 780px;
  text-align: left;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--green-600);
  background: var(--green-050);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: 999px;
  padding: 0.3rem 0.9rem;
  margin-bottom: 1.4rem;
}

.lead {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--ink-600);
  max-width: 620px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2.2rem;
}

/* ===== Sections ===== */

.section { padding-block: clamp(4rem, 9vw, 6.5rem); }

.section-alt {
  background: var(--surface-alt);
  border-block: 1px solid var(--border);
}

.section-lead {
  color: var(--ink-600);
  font-size: 1.08rem;
  max-width: 640px;
}

/* ===== Service cards ===== */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.4rem;
  margin-top: 2.6rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(16, 185, 129, 0.45);
}

.card-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--green-050);
  color: var(--green-600);
  margin-bottom: 1.1rem;
}

.card-icon svg { width: 24px; height: 24px; }

.card p {
  color: var(--ink-600);
  font-size: 0.95rem;
  margin: 0;
}

/* ===== About ===== */

.about-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.about-points li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.95rem 1.2rem 0.95rem 3rem;
  font-weight: 500;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.about-points li::before {
  content: "";
  position: absolute;
  left: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--green-600);
  -webkit-mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><path d="M20 6L9 17l-5-5"/></svg>') center / contain no-repeat;
  mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><path d="M20 6L9 17l-5-5"/></svg>') center / contain no-repeat;
}

/* ===== Contact ===== */

.contact-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.contact-inner .section-lead { margin-bottom: 2rem; }

.email-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  margin-top: 1.5rem;
  padding: 0.4rem 0.4rem 0.4rem 1.3rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}

#email-text {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-600);
  letter-spacing: 0.01em;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid transparent;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1;
  color: var(--green-600);
  background: var(--green-050);
  border-radius: 999px;
  padding: 0.5rem 0.95rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.copy-btn:hover {
  background: #d7f5e8;
  border-color: rgba(16, 185, 129, 0.35);
}

.copy-btn svg {
  width: 14px;
  height: 14px;
  flex: none;
}

.copy-btn.copied {
  background: var(--green-600);
  border-color: var(--green-600);
  color: #fff;
}

@media (max-width: 480px) {
  .email-chip {
    flex-direction: column;
    border-radius: var(--radius);
    padding: 0.9rem 1rem;
    gap: 0.7rem;
  }
}

/* ===== Footer ===== */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface-alt);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.6rem;
  flex-wrap: wrap;
}

.footer-inner p {
  margin: 0;
  color: var(--ink-400);
  font-size: 0.88rem;
  text-align: right;
}

.footer-cnpj { letter-spacing: 0.02em; }

@media (max-width: 760px) {
  .footer-inner p { text-align: left; }
}

/* ===== Responsive ===== */

@media (max-width: 760px) {
  .site-nav { display: none; }
  .header-inner { justify-content: space-between; }
  .about-inner { grid-template-columns: 1fr; gap: 2rem; }
}