/* ═══════════════════════════════════════════════
   IMPRACC — Premium Design System
   ═══════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Outfit:wght@200;300;400;500;600;700&family=Barlow+Condensed:wght@400;500;600;700&display=swap');

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

:root {
  /* Elegant & Modern Corporate Palette */
  --bg-main: #05080f;
  --bg-card: #0a0f1d;
  --bg-card-hover: #0f1629;
  
  /* Primary Accents based on Engineering & Premium feel */
  --accent-gold: #e2b764;
  --accent-gold-light: #f5d18c;
  --accent-blue: #1d4ed8;
  --accent-cyan: #06b6d4;
  --accent-red: #dc2626;
  
  /* Text */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Utilities */
  --border-subtle: rgba(255,255,255,0.06);
  --border-strong: rgba(255,255,255,0.12);
  --glow-gold: rgba(226, 183, 100, 0.2);
  --glow-blue: rgba(29, 78, 216, 0.25);
  
  --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

html { scroll-behavior: smooth; }
body {
  background: var(--bg-main);
  color: var(--text-secondary);
  font-family: 'Outfit', sans-serif;
  font-weight: 300;
  overflow-x: hidden;
  line-height: 1.6;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-main); }
::-webkit-scrollbar-thumb { background: var(--accent-gold); border-radius: 4px; }

/* ═══ TYPOGRAPHY ═══ */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Bebas Neue', sans-serif;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  line-height: 1.1;
}

.text-gold {
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.text-cyan {
  background: linear-gradient(135deg, var(--accent-cyan), #a5f3fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ═══ NAV ═══ */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px 72px;
  background: rgba(5, 8, 15, 0.6);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
nav.scrolled {
  padding: 16px 72px;
  background: rgba(5, 8, 15, 0.95);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}

.nav-brand {
  display: flex; align-items: center; gap: 16px; text-decoration: none;
}
.nav-logo-img {
  height: 46px; /* Adjust based on actual logo proportion */
  width: auto;
  border-radius: 4px; /* Optional, depending on logo */
}

.brand-text { display: flex; flex-direction: column; }
.brand-name {
  font-family: 'Bebas Neue', sans-serif; font-size: 1.7rem;
  letter-spacing: 0.1em; color: var(--text-primary);
}
.brand-sub {
  font-family: 'Barlow Condensed', sans-serif; font-size: 0.65rem;
  letter-spacing: 0.25em; text-transform: uppercase; color: var(--accent-gold);
}

.nav-menu { display: flex; align-items: center; gap: 12px; }
.nav-menu a {
  font-family: 'Outfit', sans-serif; font-weight: 500; font-size: 0.85rem;
  color: var(--text-secondary); text-decoration: none; padding: 8px 16px;
  transition: var(--transition); border-radius: 4px;
}
.nav-menu a:hover, .nav-menu a.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}

.nav-cta {
  font-family: 'Outfit', sans-serif; font-weight: 600; font-size: 0.85rem;
  background: var(--accent-gold); color: #000;
  padding: 12px 28px; border-radius: 50px;
  text-decoration: none; transition: var(--transition);
  box-shadow: 0 4px 20px var(--glow-gold);
}
.nav-cta:hover {
  transform: translateY(-2px); box-shadow: 0 8px 25px var(--glow-gold);
  background: var(--accent-gold-light);
}

.nav-hamburger { display: none; flex-direction: column; gap: 6px; cursor: pointer; }
.nav-hamburger span { width: 28px; height: 2px; background: var(--text-primary); transition: 0.3s; }

/* ═══ HERO ═══ */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding: 160px 72px 100px; position: relative; overflow: hidden;
}
.hero::before {
  content:''; position: absolute; inset: 0;
  background: radial-gradient(circle at 70% 30%, var(--glow-blue), transparent 60%),
              radial-gradient(circle at 30% 80%, var(--glow-gold), transparent 50%);
  opacity: 0.4; pointer-events: none;
}
.hero-bg {
  position: absolute; inset: 0; z-index: -1;
  background-image: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%23ffffff" fill-opacity="0.03"%3E%3Cpath d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
}

.hero-content { position: relative; z-index: 2; max-width: 800px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 16px; margin-bottom: 30px;
  padding: 8px 16px; background: rgba(255,255,255,0.05); border-radius: 50px;
  border: 1px solid var(--border-subtle);
}
.hero-eyebrow span {
  font-family: 'Outfit', sans-serif; font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--accent-gold);
}

.hero h1 { font-size: clamp(4rem, 8vw, 7rem); margin-bottom: 24px; }
.hero p { font-size: 1.1rem; color: var(--text-secondary); max-width: 600px; margin-bottom: 48px; line-height: 1.8; }

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: 'Outfit', sans-serif; font-weight: 600; font-size: 0.9rem;
  padding: 16px 36px; border-radius: 50px; text-decoration: none; transition: var(--transition);
  cursor: pointer; border: none;
}
.btn-primary {
  background: var(--accent-blue); color: #fff;
  box-shadow: 0 8px 30px var(--glow-blue);
}
.btn-primary:hover { transform: translateY(-3px); background: #2563eb; box-shadow: 0 12px 40px var(--glow-blue); }
.btn-gold {
  background: var(--accent-gold); color: #000;
  box-shadow: 0 8px 30px var(--glow-gold);
}
.btn-gold:hover { transform: translateY(-3px); background: var(--accent-gold-light); box-shadow: 0 12px 40px var(--glow-gold); }
.btn-outline {
  background: transparent; color: var(--text-primary);
  border: 1px solid var(--border-strong);
}
.btn-outline:hover { background: rgba(255,255,255,0.05); border-color: var(--accent-gold); color: var(--accent-gold); }

/* ═══ SECTIONS ═══ */
section { padding: 120px 72px; position: relative; }
.section-header { text-align: center; margin-bottom: 70px; }
.section-tag {
  display: inline-block; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--accent-cyan); margin-bottom: 16px;
}
.section-title { font-size: clamp(2.5rem, 5vw, 4rem); margin-bottom: 20px; }
.section-desc { font-size: 1.05rem; max-width: 600px; margin: 0 auto; }

/* ═══ CARDS ═══ */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }

.modern-card {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: 16px; padding: 40px; transition: var(--transition);
  position: relative; overflow: hidden;
}
.modern-card:hover {
  background: var(--bg-card-hover); border-color: var(--border-strong);
  transform: translateY(-5px); box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}
.modern-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-cyan));
  transform: scaleX(0); transform-origin: left; transition: var(--transition);
}
.modern-card:hover::before { transform: scaleX(1); }

.card-icon { font-size: 2.5rem; margin-bottom: 24px; display: inline-block; }
.modern-card h3 { font-size: 1.5rem; margin-bottom: 16px; }
.modern-card p { font-size: 0.95rem; color: var(--text-secondary); margin-bottom: 24px; }
.card-link {
  font-weight: 600; font-size: 0.9rem; color: var(--accent-gold);
  text-decoration: none; display: inline-flex; align-items: center; gap: 8px; transition: 0.3s;
}
.card-link:hover { gap: 12px; color: var(--accent-gold-light); }

/* ═══ FOOTER ═══ */
footer {
  background: #020305; padding: 80px 72px 40px; border-top: 1px solid var(--border-subtle);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 60px; margin-bottom: 60px; }
.footer-logo { margin-bottom: 24px; display: block; }
.footer-logo img { height: 50px; width: auto; border-radius: 4px; }
.footer-about { color: var(--text-secondary); max-width: 300px; font-size: 0.9rem; }
.footer-col h4 { font-size: 1.2rem; margin-bottom: 24px; color: var(--text-primary); }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-col a { color: var(--text-muted); text-decoration: none; transition: 0.3s; font-size: 0.95rem; }
.footer-col a:hover { color: var(--accent-gold); padding-left: 5px; }

.footer-bottom {
  border-top: 1px solid var(--border-subtle); padding-top: 30px;
  display: flex; justify-content: space-between; align-items: center; color: var(--text-muted); font-size: 0.85rem;
}

/* ═══ PAGE HERO (Inner pages) ═══ */
.page-hero {
  padding: 180px 72px 100px; text-align: center; background: var(--bg-card);
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(226, 183, 100, 0.1), transparent 70%);
}
.page-hero h1 { font-size: clamp(3rem, 6vw, 5rem); margin-bottom: 20px; }
.page-hero p { font-size: 1.1rem; max-width: 700px; margin: 0 auto; color: var(--text-secondary); }

/* ═══ FORMS ═══ */
.contact-form { background: var(--bg-card); padding: 50px; border-radius: 16px; border: 1px solid var(--border-subtle); }
.form-group { margin-bottom: 24px; }
.form-group label { display: block; margin-bottom: 10px; font-weight: 500; font-size: 0.9rem; color: var(--text-primary); }
.form-control {
  width: 100%; background: rgba(255,255,255,0.03); border: 1px solid var(--border-strong);
  padding: 16px 20px; border-radius: 8px; color: #fff; font-family: 'Outfit', sans-serif; font-size: 1rem;
  transition: 0.3s;
}
.form-control:focus { outline: none; border-color: var(--accent-gold); background: rgba(255,255,255,0.06); }
textarea.form-control { min-height: 150px; resize: vertical; }

/* ═══ RESPONSIVE ═══ */
@media(max-width: 1024px) {
  section, .hero, .page-hero, footer { padding-left: 40px; padding-right: 40px; }
  nav { padding: 20px 40px; }
  nav.scrolled { padding: 16px 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media(max-width: 768px) {
  section, .hero, .page-hero, footer { padding-left: 24px; padding-right: 24px; }
  nav { padding: 16px 24px; }
  nav.scrolled { padding: 12px 24px; }
  .nav-hamburger { display: flex; }
  .nav-menu {
    position: fixed; top: 70px; left: 0; right: 0; flex-direction: column;
    background: var(--bg-card); padding: 30px; gap: 20px; border-bottom: 1px solid var(--border-subtle);
    clip-path: polygon(0 0, 100% 0, 100% 0, 0 0); transition: 0.4s ease-in-out;
  }
  .nav-menu.open { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%); }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 140px; text-align: center; }
  .hero-actions { justify-content: center; }
}

/* ═══ UTILS ═══ */
.wa-float {
  position: fixed; bottom: 30px; right: 30px; z-index: 900;
  width: 60px; height: 60px; background: #25d366; color: #fff;
  border-radius: 50%; display: grid; place-items: center; font-size: 2rem;
  box-shadow: 0 10px 30px rgba(37,211,102,0.4); transition: var(--transition);
  text-decoration: none; animation: float 3s ease-in-out infinite;
}
.wa-float:hover { transform: scale(1.1); box-shadow: 0 15px 40px rgba(37,211,102,0.6); }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }

.anim { opacity: 0; transform: translateY(30px); transition: 0.8s cubic-bezier(0.16, 1, 0.3, 1); }
.anim.visible { opacity: 1; transform: translateY(0); }