/* PROF ASFALT Sharp Technical Theme */
@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:ital,wght@0,600;0,700;0,800;0,900;1,400&family=Rajdhani:wght@500;600;700&family=Space+Grotesk:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Oswald:wght@600;700&display=swap');

:root {
  /* Warm Deep Graphite & Muted Amber Palette (Eye-friendly) */
  --bg-dark: #131417;
  --bg-surface: #191B20;
  --bg-card: #1F2229;
  --bg-card-hover: #262932;
  --bg-input: #15171C;
  
  --accent-gold: #E5AA3D;
  --accent-gold-dark: #C48E2B;
  --accent-gold-muted: rgba(229, 170, 61, 0.14);
  --border-gold: rgba(229, 170, 61, 0.3);
  --border-gold-solid: #D49D35;
  
  --text-main: #EAEAEF;
  --text-muted: #9DA0AC;
  --text-dim: #686B76;
  --border-color: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.12);

  --font-heading: 'Barlow Condensed', 'Oswald', sans-serif;
  --font-body: 'Space Grotesk', 'Rajdhani', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Balanced, refined radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  --transition: all 0.25s ease-out;
  --container-max: 1320px;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(229, 170, 61, 0.04) 0%, transparent 50%),
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 100% 100%, 48px 48px;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: var(--font-heading);
  cursor: pointer;
  border: none;
  outline: none;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Soft Matte Technical Badges */
.tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  background: var(--accent-gold-muted);
  border: 1px solid var(--border-gold);
  border-left: 3px solid var(--accent-gold);
  color: var(--accent-gold);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2.3rem, 4.5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.05;
  margin-top: 14px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-main);
}

.section-title span {
  color: var(--accent-gold);
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.08rem;
  max-width: 720px;
  margin-top: 14px;
  font-weight: 400;
  line-height: 1.65;
}

/* Header & Nav - Initially hidden, reveals on scroll down */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: rgba(19, 20, 23, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-gold);
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s ease, visibility 0.35s;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

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

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-icon {
  width: 44px;
  height: 44px;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-text .brand-name {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  line-height: 1;
  text-transform: uppercase;
}

.logo-text .brand-name .gold {
  color: var(--accent-gold);
}

.logo-text .brand-sub {
  font-family: var(--font-heading);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 2px;
  margin-top: 3px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: var(--transition);
  padding: 4px 0;
  position: relative;
}

.nav-links a:hover {
  color: var(--accent-gold);
}

.nav-links a:hover::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gold);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.phone-link {
  display: flex;
  flex-direction: column;
  text-align: right;
}

.phone-link .number {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text-main);
  letter-spacing: 0.8px;
}

.phone-link .status {
  font-size: 0.72rem;
  color: #38D39F;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.phone-link .status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #38D39F;
  box-shadow: 0 0 8px rgba(56, 211, 159, 0.6);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: var(--radius-md);
  background: var(--accent-gold);
  color: #131417;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 1.2px;
  transition: var(--transition);
  border: 1px solid var(--accent-gold);
  box-shadow: 0 4px 18px rgba(229, 170, 61, 0.2);
}

.btn-primary:hover {
  background: #F0B74D;
  border-color: #F0B74D;
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(229, 170, 61, 0.35);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: var(--radius-md);
  background: transparent;
  border: 1px solid var(--border-gold);
  color: var(--text-main);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 1.2px;
  transition: var(--transition);
}

.btn-outline:hover {
  background: rgba(229, 170, 61, 0.08);
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

.menu-btn {
  display: none;
  background: transparent;
  color: var(--text-main);
  font-size: 1.8rem;
}

/* Base Sections */
section {
  padding: 95px 0;
  position: relative;
  border-bottom: 1px solid var(--border-color);
}

/* Footer */
footer {
  background: #0E0F12;
  border-top: 2px solid var(--accent-gold);
  padding: 70px 0 35px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 45px;
  margin-bottom: 50px;
}

.footer-about p {
  color: var(--text-muted);
  margin-top: 18px;
  font-size: 0.92rem;
  max-width: 380px;
  line-height: 1.65;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin-bottom: 20px;
  color: var(--text-main);
  border-left: 3px solid var(--accent-gold);
  padding-left: 10px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col ul a {
  color: var(--text-muted);
  font-size: 0.92rem;
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  font-family: var(--font-heading);
  letter-spacing: 0.8px;
}

@media (max-width: 992px) {
  .nav-links, .phone-link {
    display: none;
  }
  .menu-btn {
    display: block;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}