/* ==========================================================================
   Premium Industrial Dark Theme 2026 – Teal/Gray/Silver + Subtle Gold
   ========================================================================== */

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

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: linear-gradient(135deg, #0b0e11 0%, #111 100%);
  color: #e0e5ea;
  line-height: 1.7;
  overflow-x: hidden;
}

.container { max-width: 1440px; margin: 0 auto; padding: 0 5vw; }

/* Header */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(11,14,17,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,196,180,0.08);
  transition: all 0.4s ease;
}

.header.shrink { padding: 0.9rem 0; background: rgba(11,14,17,0.97); }

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem 0;
}

.logo {
  font-size: 1.9rem;
  font-weight: 800;
  color: #fff;
}

.logo span {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  color: #00c4b4;
  letter-spacing: 0.15em;
  margin-top: 0.3rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2.4rem;
}

.nav a {
  color: #c0c8d0;
  text-decoration: none;
  font-weight: 500;
  font-size: 1.05rem;
  transition: color 0.35s ease;
}

.nav a:hover { color: #00d4c0; }

.nav-cta {
  background: #00c4b4;
  color: #0b0e11 !important;
  padding: 0.8rem 1.8rem;
  border-radius: 50px;
  font-weight: 600;
}

.nav-cta:hover { background: #00d4c0; transform: translateY(-2px); }

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem 0 10rem;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.4), rgba(0,196,180,0.08));
  z-index: -1;
}

.hero-container { text-align: center; }

.hero-content {
  max-width: 980px;
  margin: 0 auto;
}

h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(4.2rem, 9vw, 7rem);
  font-weight: 800;
  line-height: 0.92;
  margin-bottom: 1.6rem;
  color: #ffffff;
}

.hero-subtitle {
  font-size: 1.45rem;
  max-width: 720px;
  margin: 0 auto 3rem;
  color: #b0c0d0;
  font-weight: 300;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 1.1rem 2.4rem;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.4s cubic-bezier(0.16,1,0.3,1);
}

.btn-primary {
  background: linear-gradient(90deg, #00c4b4, #00e0d0);
  color: #0b0e11;
  box-shadow: 0 10px 30px rgba(0,196,180,0.3);
}

.btn-primary:hover {
  transform: translateY(-5px) scale(1.03);
  box-shadow: 0 20px 50px rgba(0,196,180,0.45);
}

.btn-secondary {
  border: 2px solid #00c4b4;
  color: #00c4b4;
}

.btn-secondary:hover {
  background: rgba(0,196,180,0.1);
  transform: translateY(-4px);
}

.btn-large { padding: 1.4rem 3.2rem; font-size: 1.25rem; }

/* Glass panel & cards */
.glass-panel, .glass-card {
  background: rgba(20,25,30,0.55);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(0,196,180,0.15);
  border-radius: 1.4rem;
  padding: 3.5rem;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5),
              inset 0 0 40px rgba(0,196,180,0.04);
  transition: all 0.5s cubic-bezier(0.16,1,0.3,1);
}

.glass-card {
  padding: 2.6rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.glass-card:hover {
  transform: translateY(-14px);
  box-shadow: 0 30px 80px rgba(0,196,180,0.25),
              0 0 40px rgba(0,196,180,0.15);
  border-color: rgba(0,196,180,0.35);
}

.card h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.85rem;
  margin-bottom: 1rem;
  color: #fff;
}

.card p { color: #b8c4d0; margin-bottom: 1.4rem; font-size: 1.08rem; }

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: auto;
}

.tags span {
  font-size: 0.9rem;
  padding: 0.5rem 1rem;
  border-radius: 50px;
  background: rgba(0,196,180,0.12);
  color: #00d4c0;
  border: 1px solid rgba(0,196,180,0.3);
  transition: all 0.3s;
}

.tags span:hover { background: rgba(0,196,180,0.22); }

/* Cred bar */
.credibility-bar {
  background: rgba(15,20,25,0.7);
  border-top: 1px solid rgba(0,196,180,0.1);
  border-bottom: 1px solid rgba(0,196,180,0.1);
  padding: 4rem 0;
}

.cred-item {
  text-align: center;
}

.cred-item .number {
  font-size: 3rem;
  font-weight: 800;
  color: #00c4b4;
  display: block;
  margin-bottom: 0.5rem;
}

.cred-item span:last-child {
  font-size: 1rem;
  color: #a0b0c0;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Grid */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 2.4rem;
  margin-top: 5rem;
}

/* Section */
.section { padding: 12rem 0; }

h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(3.2rem, 7vw, 5.2rem);
  text-align: center;
  margin-bottom: 1.2rem;
  color: #ffffff;
}

.section-lead {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 5rem;
  color: #b0c0d0;
  font-size: 1.3rem;
  font-weight: 300;
}

/* CTA */
.cta-section {
  text-align: center;
  padding: 14rem 0;
  background: linear-gradient(to bottom, #111, #0b0e11);
}

.cta-section h2 { margin-bottom: 1.8rem; }

.cta-section p { font-size: 1.4rem; color: #c0d0e0; margin-bottom: 2.5rem; }

/* Footer */
.footer {
  background: #05080b;
  padding: 6rem 0 4rem;
  text-align: center;
  border-top: 1px solid rgba(0,196,180,0.08);
  color: #8899aa;
}

/* WhatsApp – bigger, visible, pulse */
.whatsapp-float {
  position: fixed;
  bottom: 3rem;
  right: 3rem;
  width: 5.5rem;
  height: 5.5rem;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 40px rgba(37,213,102,0.4);
  z-index: 999;
  transition: all 0.4s ease;
  animation: pulse 2.5s infinite ease-in-out;
}

@keyframes pulse {
  0%,100% { transform: scale(1); }
  50%     { transform: scale(1.08); }
}

.whatsapp-float:hover {
  transform: scale(1.15);
  box-shadow: 0 20px 60px rgba(37,213,102,0.55);
}

.whatsapp-float img { width: 65%; }

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(70px);
  transition: all 1.2s cubic-bezier(0.16,1,0.3,1);
}

.reveal.visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 1024px) {
  .hero { min-height: 90vh; padding: 5rem 0 8rem; }
  .section { padding: 8rem 0; }
}

@media (max-width: 768px) {
  .header-container { flex-direction: column; gap: 1.4rem; }
  .nav { flex-wrap: wrap; justify-content: center; gap: 1.4rem; }
  h1 { font-size: 4rem; }
  .hero-actions { flex-direction: column; gap: 1.2rem; }
  .whatsapp-float { bottom: 2rem; right: 2rem; width: 4.8rem; height: 4.8rem; }
}