/* =========================================
   WAVEFLOW — Landing Page Theme CSS
   AI Automation Agency for Portuguese SMEs
   ========================================= */

:root {
  --bg: #060D1F;
  --bg-surface: #0B1A35;
  --bg-card: #0F2040;
  --bg-card-hover: #142650;
  --fg: #F0F4FF;
  --fg-muted: #8FA3C0;
  --fg-faint: #4A6280;
  --accent: #00D48A;
  --accent-dim: rgba(0, 212, 138, 0.15);
  --accent-hover: #00F5A0;
  --amber: #FFB347;
  --amber-dim: rgba(255, 179, 71, 0.12);
  --border: rgba(255,255,255,0.07);
  --border-accent: rgba(0, 212, 138, 0.25);
  --radius: 12px;
  --radius-lg: 20px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 0 60px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.mesh-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 30%, rgba(0, 212, 138, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 70%, rgba(0, 100, 200, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 100% 80% at 50% 100%, rgba(0, 212, 138, 0.04) 0%, transparent 50%);
}

.wave-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.wave-orb-1 {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -100px;
  background: radial-gradient(circle, rgba(0, 212, 138, 0.06) 0%, transparent 70%);
  animation: pulse-orb 8s ease-in-out infinite;
}

.wave-orb-2 {
  width: 400px;
  height: 400px;
  bottom: 0;
  left: -100px;
  background: radial-gradient(circle, rgba(0, 100, 220, 0.05) 0%, transparent 70%);
  animation: pulse-orb 12s ease-in-out infinite reverse;
}

@keyframes pulse-orb {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 138, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 138, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 70%);
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 28px;
  letter-spacing: 0.02em;
}

.tag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-headline {
  font-family: 'Sora', sans-serif;
  font-size: clamp(42px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 24px;
}

.headline-accent {
  color: var(--accent);
  position: relative;
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 440px;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.trust-item {
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-muted);
}

.trust-sep {
  width: 1px;
  height: 16px;
  background: var(--fg-faint);
}

.hero-wave-art {
  display: flex;
  align-items: center;
  justify-content: center;
}

.wave-svg {
  width: 100%;
  max-width: 400px;
  height: auto;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--fg-faint);
  font-size: 13px;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ---- Stats ---- */
.stats {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 0;
}

.stats-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: center;
}

.stat-item {
  text-align: center;
  padding: 8px 32px;
}

.stat-number {
  font-family: 'Sora', sans-serif;
  font-size: 48px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
}

.stat-unit {
  font-size: 32px;
}

.stat-label {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.5;
  max-width: 240px;
  margin: 0 auto;
}

.stat-divider {
  width: 1px;
  height: 80px;
  background: var(--border);
}

/* ---- Section common ---- */
.section-tag {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Sora', sans-serif;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 520px;
  margin-bottom: 48px;
}

/* ---- Services ---- */
.services {
  padding: 100px 0;
}

.services-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  transition: border-color 0.3s, transform 0.3s;
}

.service-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

.service-card.featured {
  border-color: var(--border-accent);
  background: linear-gradient(135deg, var(--bg-card), rgba(0, 212, 138, 0.05));
}

.service-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--accent);
  color: var(--bg);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.service-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-dim);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent);
}

.service-icon svg {
  width: 22px;
  height: 22px;
}

.service-card h3 {
  font-family: 'Sora', sans-serif;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--fg);
}

.service-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.service-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-list li {
  font-size: 13px;
  color: var(--fg-muted);
  padding-left: 20px;
  position: relative;
}

.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.7;
}

/* ---- Niches ---- */
.niches {
  padding: 100px 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.niches-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.niches-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.niche-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.3s, transform 0.3s;
}

.niche-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-3px);
}

.niche-icon {
  width: 40px;
  height: 40px;
  background: var(--amber-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--amber);
}

.niche-icon svg {
  width: 20px;
  height: 20px;
}

.niche-card h3 {
  font-family: 'Sora', sans-serif;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--fg);
}

.niche-card p {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ---- Vision ---- */
.vision {
  padding: 100px 0;
}

.vision-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.vision-headline {
  font-family: 'Sora', sans-serif;
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.vision-body {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.8;
  margin-bottom: 40px;
}

.vision-principles {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.principle {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.principle-num {
  font-family: 'Sora', sans-serif;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  border-radius: 8px;
  padding: 6px 10px;
  min-width: 44px;
  text-align: center;
  letter-spacing: 0.05em;
}

.principle h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--fg);
}

.principle p {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* Process flow */
.process-flow {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-top: 60px;
}

.flow-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 20px 0;
}

.step-circle {
  font-family: 'Sora', sans-serif;
  font-size: 14px;
  font-weight: 800;
  color: var(--bg);
  background: var(--accent);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-content h5 {
  font-family: 'Sora', sans-serif;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--fg);
}

.step-content p {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.6;
}

.flow-connector {
  width: 2px;
  height: 24px;
  background: var(--border-accent);
  margin-left: 19px;
}

/* ---- Footer ---- */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  margin-bottom: 48px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Sora', sans-serif;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.footer-logo svg {
  width: 36px;
  height: 36px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--fg-muted);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-col h6 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-faint);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--fg-muted);
  text-decoration: none;
  margin-bottom: 8px;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 40px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--fg-faint);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .niches-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .vision-inner { grid-template-columns: 1fr; gap: 40px; }
  .process-flow { padding-top: 0; }
}

@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 32px; padding: 0 24px; }
  .hero-wave-art { display: none; }
  .hero-headline { font-size: 36px; }
  .hero-sub { font-size: 16px; }
  .stats-grid { grid-template-columns: 1fr; gap: 0; }
  .stat-divider { display: none; }
  .stat-item { padding: 24px 16px; }
  .stat-item:not(:last-child) { border-bottom: 1px solid var(--border); }
  .services-grid { grid-template-columns: 1fr; }
  .niches-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom, .services-inner, .niches-inner, .vision-inner, .stats-inner { padding-left: 24px; padding-right: 24px; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 32px; }
  .footer-links { grid-template-columns: 1fr; }
}