/* ================================================================
   GREENOPS DESIGN SYSTEM v3 — css/greenops-system.css
   Light GreenTech consulting. Fraunces + Inter.
   One system. Every page.
   ================================================================ */

/* ── GOOGLE FONTS ────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,400&family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ── TOKENS ─────────────────────────────────────────────────── */
:root {
  --bg:          #F6F8F4;
  --bg-soft:     #EEF4EC;
  --card:        #FFFFFF;
  --card-soft:   #F9FCF8;
  --text:        #102018;
  --text-2:      #42564A;
  --muted:       #5F6F66;
  --green:       #138A4A;
  --green-hover: #0f7040;
  --green-2:     #2EB872;
  --green-light: #DFF5E7;
  --dark:        #0D1B14;
  --dark-2:      #162B1E;
  --border:      #DDE8DE;
  --border-soft: #EBF2EC;
  --shadow:      0 4px 20px rgba(16,32,24,0.07);
  --shadow-lg:   0 12px 40px rgba(16,32,24,0.10);
  --radius:      16px;
  --radius-sm:   10px;
  --radius-pill: 100px;
  --font-head:   'Fraunces', Georgia, serif;
  --font:        'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:   'JetBrains Mono', ui-monospace, monospace;
  --ease:        0.22s ease;
}

/* ── RESET ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-2);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }

/* ── LAYOUT ──────────────────────────────────────────────────── */
.container { max-width: 1160px; margin: 0 auto; padding: 0 28px; }
.gp-section { padding: 88px 0; }
.gp-section--alt { background: var(--bg-soft); }
.gp-section--white { background: var(--card); }
.gp-section--dark { background: var(--dark); }

/* ── TYPOGRAPHY ──────────────────────────────────────────────── */
h1, h2 { font-family: var(--font-head); color: var(--text); font-weight: 600; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1.06; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); line-height: 1.1; }
h3 { font-family: var(--font); font-size: 1.05rem; font-weight: 600; color: var(--text); }
h4 { font-family: var(--font); font-size: 0.95rem; font-weight: 600; color: var(--text); }
p  { color: var(--text-2); line-height: 1.75; }

.section-label {
  display: block;
  font-family: var(--font);
  font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--green); margin-bottom: 14px;
}

/* ── SECTION HEADER ──────────────────────────────────────────── */
.gp-section-header { margin-bottom: 52px; }
.gp-section-header.centered { text-align: center; }
.gp-section-header.centered p { max-width: 580px; margin: 12px auto 0; }
.gp-section-header h2 { margin-bottom: 12px; }
.gp-section-header p { color: var(--muted); font-size: 1rem; max-width: 600px; }
.gp-section-header--dark h2 { color: var(--text); }
.gp-section-header--dark p  { color: var(--text-2); }

/* ── BUTTONS ─────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--green); color: #fff;
  padding: 13px 26px; border-radius: var(--radius-pill);
  font-family: var(--font); font-weight: 600; font-size: 0.9rem;
  transition: background var(--ease), box-shadow var(--ease), transform var(--ease);
  white-space: nowrap;
}
.btn-primary:hover {
  background: var(--green-hover);
  box-shadow: 0 4px 20px rgba(19,138,74,0.28);
  transform: translateY(-1px);
}
.btn-primary.btn-lg { padding: 15px 32px; font-size: 0.97rem; }

.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1.5px solid var(--border); color: var(--text-2);
  padding: 12px 24px; border-radius: var(--radius-pill);
  font-family: var(--font); font-weight: 600; font-size: 0.9rem;
  transition: all var(--ease); background: var(--card);
  white-space: nowrap;
}
.btn-outline:hover {
  border-color: var(--green); color: var(--green);
  background: var(--green-light); transform: translateY(-1px);
}
.btn-outline.btn-lg { padding: 14px 28px; font-size: 0.97rem; }
.btn-sm { padding: 8px 16px !important; font-size: 0.82rem !important; }

/* ── NAVBAR ──────────────────────────────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--ease);
}
.navbar.scrolled { box-shadow: 0 2px 24px rgba(0,0,0,0.08); }
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.logo { display: flex; align-items: center; }
.logo-img { height: 36px; width: auto; display: block; }
.nav-links { display: flex; gap: 26px; }
.nav-links a { color: var(--text-2); font-size: 0.85rem; font-weight: 500; transition: color var(--ease); }
.nav-links a:hover, .nav-links a.active { color: var(--dark); }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.hamburger span { width: 22px; height: 2px; background: var(--dark); border-radius: 2px; }

/* ── CARDS ───────────────────────────────────────────────────── */
.gp-card {
  background: var(--card); border: 1px solid var(--border-soft);
  border-radius: var(--radius); padding: 28px 24px;
  transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
}
.gp-card:hover { border-color: var(--border); box-shadow: var(--shadow); transform: translateY(-3px); }

/* ── ICON BOXES ──────────────────────────────────────────────── */
.gp-icon { width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.05rem; margin-bottom: 16px; flex-shrink: 0; }
.gp-icon--green  { background: var(--green-light); color: var(--green); }
.gp-icon--teal   { background: rgba(20,184,166,0.1); color: #0d9488; }
.gp-icon--blue   { background: rgba(59,130,246,0.1); color: #2563eb; }
.gp-icon--purple { background: rgba(124,58,237,0.1); color: #7c3aed; }
.gp-icon--amber  { background: rgba(245,158,11,0.1); color: #d97706; }

/* ── FORM ────────────────────────────────────────────────────── */
.contact-form { max-width: 700px; margin: 0 auto; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.form-group label { color: var(--text-2); font-size: 0.85rem; font-weight: 500; }
.form-group input, .form-group select, .form-group textarea {
  background: var(--card); border: 1px solid var(--border);
  color: var(--text); border-radius: var(--radius-sm); padding: 12px 16px;
  font-size: 0.93rem; font-family: var(--font); transition: border-color var(--ease); width: 100%;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(19,138,74,0.08);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--muted); }
.form-group select option { background: var(--card); color: var(--text); }
.form-group textarea { resize: vertical; }
.contact-form .btn-primary { width: 100%; justify-content: center; font-size: 1rem; }
.form-consent { margin-bottom: 20px; }
.consent-label { display: flex; align-items: flex-start; gap: 12px; cursor: pointer; }
.consent-label input[type="checkbox"] { width: 16px; height: 16px; flex-shrink: 0; margin-top: 2px; accent-color: var(--green); }
.consent-label span { font-size: 0.83rem; color: var(--muted); line-height: 1.5; }
.consent-label span a { color: var(--green); font-weight: 500; }

/* ── FOOTER CTA BAND ──────────────────────────────────────────── */
.footer-cta-band { background: var(--card); border-bottom: 1px solid var(--border); padding: 56px 0; }
.footer-cta-band h2 { color: var(--text); font-family: var(--font-head); }
.footer-cta-band p  { color: var(--text-2); margin-top: 8px; max-width: 520px; }
.footer-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
@media (max-width: 768px) { .footer-cta-inner { flex-direction: column; text-align: center; } }

/* ── FOOTER ──────────────────────────────────────────────────── */
.footer { background: var(--bg); color: var(--muted); border-top: 1px solid var(--border); }
.footer-logo-mark { margin-bottom: 14px; }
.footer-logo-img { height: 32px; width: auto; display: block; }
.footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding: 60px 0 48px; }
.footer-brand p { font-size: 0.85rem; margin-bottom: 6px; color: var(--muted); }
.footer-email { color: var(--green-2) !important; font-weight: 500; }
.footer-lisbon { font-size: 0.78rem; color: var(--muted); margin-top: 4px; }
.footer-links h4 { color: var(--text-2); font-size: 0.68rem; font-weight: 700; margin-bottom: 16px; letter-spacing: 0.1em; text-transform: uppercase; font-family: var(--font-mono); }
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links li a { font-size: 0.85rem; color: var(--muted); transition: color var(--ease); }
.footer-links li a:hover { color: var(--green-2); }
.footer-bottom { border-top: 1px solid var(--border); }
.footer-legal { display: flex; align-items: center; justify-content: space-between; padding: 18px 0; font-size: 0.78rem; color: var(--muted); flex-wrap: wrap; gap: 12px; }
.footer-legal a { margin-left: 18px; color: var(--muted); transition: color var(--ease); }
.footer-legal a:hover { color: var(--green-2); }

/* ── COOKIE BANNER ───────────────────────────────────────────── */
.cookie-banner { position: fixed; bottom: 0; left: 0; right: 0; z-index: 2000; background: var(--dark); border-top: 3px solid var(--green); padding: 20px 24px; display: none; }
.cookie-banner.visible { display: block; }
.cookie-content { max-width: 1160px; margin: 0 auto; display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.cookie-msg { font-size: 0.87rem; color: rgba(255,255,255,0.75); flex: 1; min-width: 200px; }
.cookie-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.cookie-link { font-size: 0.8rem; color: rgba(255,255,255,0.5); text-decoration: underline; }
.cookie-link:hover { color: var(--green-2); }

/* ── ANIMATIONS ──────────────────────────────────────────────── */
.fade-in { opacity: 0; transform: translateY(18px); transition: opacity 0.5s ease, transform 0.5s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .fade-in { opacity: 1 !important; transform: none !important; transition: none !important; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* ── MOBILE NAV ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 66px; left: 0; right: 0;
    background: var(--dark); padding: 24px 28px;
    border-bottom: 1px solid rgba(255,255,255,0.06); gap: 20px;
  }
  .hamburger { display: flex; }
  .form-row { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr 1fr; gap: 32px; padding: 48px 0; }
}
@media (max-width: 480px) {
  .footer-content { grid-template-columns: 1fr; }
}