/* ===== DESIGN 2: DARK PREMIUM ===== */
/* Deep charcoal with emerald accents, grid backgrounds, glow effects */

:root {
  --bg: #0a0f0d;
  --bg-card: #111916;
  --bg-elevated: #151d19;
  --text: #e8ede9;
  --text-muted: #7a8e82;
  --accent: #34d399;
  --accent-dim: rgba(52,211,153,.12);
  --accent-glow: rgba(52,211,153,.3);
  --border: rgba(255,255,255,.06);
  --border-hover: rgba(52,211,153,.3);
  --radius: 16px;
  --transition: .35s cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Outfit', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3 { font-family: 'DM Serif Display', serif; line-height: 1.15; }
a { text-decoration: none; color: inherit; }

/* Gradient text */
.gradient-text {
  background: linear-gradient(135deg, #34d399 0%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== NAV ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: all var(--transition);
}
.navbar.scrolled {
  background: rgba(10,15,13,.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 1.1rem; }
.logo-mark {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-dim);
  border: 1px solid var(--border-hover);
  border-radius: 10px;
  font-size: .75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
}
.nav-links { display: flex; list-style: none; gap: 28px; }
.nav-links a {
  font-size: .88rem;
  font-weight: 400;
  color: var(--text-muted);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text); }
.nav-right { display: flex; align-items: center; gap: 16px; }
.nav-contact {
  display: flex; align-items: center; gap: 8px;
  font-size: .85rem; color: var(--text-muted);
  transition: color var(--transition);
}
.nav-contact:hover { color: var(--accent); }
.pulse-dot {
  width: 8px; height: 8px;
  background: #25d366;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 500; font-size: .9rem;
  border: none; cursor: pointer;
  transition: all var(--transition);
}
.btn-glow {
  background: var(--accent);
  color: #0a0f0d;
  font-weight: 600;
}
.btn-glow:hover {
  box-shadow: 0 0 30px var(--accent-glow), 0 0 60px rgba(52,211,153,.15);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn-lg { padding: 16px 36px; font-size: .95rem; }
.btn-whatsapp { background: #25d366; color: #fff; font-weight: 600; }
.btn-whatsapp:hover { box-shadow: 0 0 30px rgba(37,211,102,.3); transform: translateY(-2px); }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding-top: 80px;
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(52,211,153,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(52,211,153,.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
}
.hero-glow {
  position: absolute;
  width: 600px; height: 600px;
  top: 10%; left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(52,211,153,.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  text-align: center;
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
}
.hero-pill {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 50px;
  border: 1px solid var(--border);
  font-size: .78rem;
  color: var(--text-muted);
  letter-spacing: .3px;
  margin-bottom: 32px;
  animation: fadeUp .8s ease both;
}
.hero h1 {
  font-size: clamp(2.8rem, 5.5vw, 4.2rem);
  margin-bottom: 24px;
  animation: fadeUp .8s ease .1s both;
}
.hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 40px;
  animation: fadeUp .8s ease .2s both;
}
.hero-btns {
  display: flex; justify-content: center; gap: 16px; flex-wrap: wrap;
  animation: fadeUp .8s ease .3s both;
}
.hero-bottom-bar {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 28px 0;
}
.hero-metrics {
  display: flex; justify-content: space-around;
  flex-wrap: wrap; gap: 16px;
}
.metric { text-align: center; }
.metric-val {
  display: block;
  font-family: 'DM Serif Display', serif;
  font-size: 1.5rem;
  color: var(--accent);
}
.metric-label { font-size: .78rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; }

/* ===== SECTIONS ===== */
.section { padding: 100px 0; }
.section-dark { background: var(--bg-card); }
.section-head { text-align: center; margin-bottom: 56px; }
.label {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 50px;
  border: 1px solid var(--border);
  font-size: .72rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
  margin-bottom: 16px;
}
.section-head h2 { font-size: clamp(2rem, 3.5vw, 2.8rem); margin-bottom: 12px; }
.section-desc { color: var(--text-muted); max-width: 480px; margin: 0 auto; }

/* ===== PILLARS ===== */
.pillars-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: all var(--transition);
  opacity: 0; transform: translateY(20px);
}
.pillar-card.visible { opacity: 1; transform: translateY(0); transition-delay: var(--delay); }
.pillar-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 0 40px rgba(52,211,153,.06);
  transform: translateY(-4px);
}
.pillar-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-dim);
  border-radius: 12px;
  color: var(--accent);
  margin-bottom: 20px;
}
.pillar-card h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.pillar-card p { font-size: .88rem; color: var(--text-muted); }

/* ===== REQUIREMENTS ===== */
.req-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 40px; }
.req-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
  opacity: 0; transform: translateY(16px);
}
.req-card.visible { opacity: 1; transform: translateY(0); }
.req-card:hover { border-color: var(--border-hover); }
.req-num {
  font-family: 'DM Serif Display', serif;
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 12px;
}
.req-card h4 { font-family: 'Outfit', sans-serif; font-weight: 600; font-size: .95rem; margin-bottom: 8px; }
.req-card p { font-size: .85rem; color: var(--text-muted); }
.req-cta { text-align: center; }

/* ===== TIMELINE ===== */
.timeline { max-width: 600px; margin: 0 auto 50px; position: relative; padding-left: 60px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}
.timeline-item {
  position: relative;
  padding: 0 0 40px;
  opacity: 0; transform: translateX(-20px);
}
.timeline-item.visible { opacity: 1; transform: translateX(0); }
.timeline-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute;
  left: -60px;
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-dim);
  border: 1px solid var(--border-hover);
  border-radius: 50%;
  font-weight: 700; font-size: .85rem;
  color: var(--accent);
  z-index: 1;
}
.tl-content h4 {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  margin-bottom: 6px;
}
.tl-content p { font-size: .9rem; color: var(--text-muted); }
.process-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ===== FAQ ===== */
.faq-grid { max-width: 700px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  opacity: 0; transform: translateY(10px);
}
.faq-card.visible { opacity: 1; transform: translateY(0); }
.faq-card[open] { border-color: var(--border-hover); box-shadow: 0 0 30px rgba(52,211,153,.05); }
.faq-card summary {
  padding: 20px 24px;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .95rem;
}
.faq-card summary::-webkit-details-marker { display: none; }
.faq-card summary::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--accent);
  transition: transform var(--transition);
}
.faq-card[open] summary::after { content: '−'; }
.faq-card[open] summary { color: var(--accent); }
.faq-body { padding: 0 24px 20px; font-size: .9rem; color: var(--text-muted); }
.faq-body ol { padding-left: 18px; display: flex; flex-direction: column; gap: 4px; }

/* ===== FOOTER ===== */
.footer { border-top: 1px solid var(--border); padding: 60px 0 0; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-brand p { margin-top: 14px; font-size: .88rem; color: var(--text-muted); max-width: 300px; }
.social-link {
  display: inline-block; margin-top: 16px;
  font-size: .85rem; color: var(--accent);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}
.social-link:hover { border-bottom-color: var(--accent); }
.footer-nav { display: flex; flex-direction: column; gap: 10px; }
.footer-nav h5 {
  font-family: 'Outfit', sans-serif;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.footer-nav a { font-size: .88rem; color: var(--text-muted); transition: color var(--transition); }
.footer-nav a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  text-align: center;
  font-size: .78rem;
  color: var(--text-muted);
}

/* ===== LOGO ELEMENTS ===== */
.logo-icon-wrap {
  width: 220px;
  height: 80px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.logo-icon-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.logo-icon-img.logo-light {
  mix-blend-mode: screen;
}
.hero-logo-container {
  margin-bottom: 24px;
  animation: fadeUp .8s ease both;
}
.hero-logo-wrap {
  width: 160px;
  height: 120px;
  overflow: hidden;
  margin: 0 auto;
  border-radius: 12px;
}
.hero-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.hero-logo-img.logo-light {
  mix-blend-mode: screen;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(37,211,102,.5); }
  50% { box-shadow: 0 0 0 6px rgba(37,211,102,0); }
}

/* ===== MOBILE ===== */
.mobile-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.mobile-toggle span { width: 22px; height: 1.5px; background: var(--text); transition: all var(--transition); }

@media (max-width: 768px) {
  .mobile-toggle { display: flex; }
  .nav-right { display: none; }
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; background: var(--bg-card); padding: 24px; gap: 14px;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .pillars-grid { grid-template-columns: 1fr; }
  .req-cards { grid-template-columns: 1fr 1fr; }
  .hero-metrics { flex-direction: column; gap: 24px; }
  .footer-top { grid-template-columns: 1fr; }
  .hero { padding-top: 100px; }
  .section { padding: 60px 0; }
}
@media (max-width: 480px) {
  .req-cards { grid-template-columns: 1fr; }
}