/* =========================================
   HUGHES VISUAL SERVICE — GLOBAL STYLES
   ========================================= */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-primary:    #000000;
  --bg-secondary:  #0a0a0a;
  --bg-card:       #0d0d0d;
  --bg-glass:      rgba(255,255,255,0.04);
  --border:        rgba(255,255,255,0.08);
  --text-primary:  #ffffff;
  --text-secondary:#94a3b8;
  --text-tertiary: #64748b;
  --accent:        #007aff; /* Purified Apple Blue */
  --accent-hover:  #0059b3;
  --accent-glow:   rgba(0,122,255,0.3);
  --gradient-hero: radial-gradient(circle at 50% 50%, #1a1a1a 0%, #000000 100%);
  --font:          'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius-sm:     8px;
  --radius-md:     14px;
  --radius-lg:     20px;
  --radius-xl:     28px;
  --transition:    0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-card:   0 20px 60px rgba(0,0,0,0.5);
  --shadow-glow:   0 0 60px rgba(41,151,255,0.15);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ---- Typography ---- */
h1 { font-size: clamp(2.4rem, 6vw, 5rem); font-weight: 700; letter-spacing: -0.03em; line-height: 1.1; }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); font-weight: 600; letter-spacing: -0.01em; }
h4 { font-size: 1rem; font-weight: 600; }
p  { color: var(--text-secondary); font-size: 1.05rem; line-height: 1.75; }

.eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ---- Layout Containers ---- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.section    { padding: 100px 0; }
.section-sm { padding: 60px 0; }

/* ---- Navbar ---- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 52px;
  display: flex;
  align-items: center;
  transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: rgba(0,0,0,0.78);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom-color: var(--border);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.25rem; font-weight: 700; color: var(--text-primary);
  text-decoration: none;
}
.nav-logo-img {
  height: 42px; width: auto;
  filter: invert(1) grayscale(1) contrast(200%) brightness(1.2);
  mix-blend-mode: screen;
}
.nav-links {
  display: flex; gap: 32px; align-items: center;
}
.nav-links a {
  font-size: 0.85rem; color: var(--text-secondary);
  transition: color var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--text-primary); }
.nav-cta {
  font-size: 0.85rem; font-weight: 500;
  background: var(--accent); color: #fff;
  padding: 7px 18px; border-radius: 980px;
  transition: background var(--transition);
}
.nav-cta:hover { background: var(--accent-hover); color: #fff; }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: var(--transition); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font); font-size: 0.9rem; font-weight: 500;
  padding: 13px 28px; border-radius: 980px;
  border: none; cursor: pointer;
  transition: var(--transition);
}
.btn-primary {
  background: var(--accent); color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 8px 24px var(--accent-glow); }

.btn-outline {
  background: transparent; color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-outline:hover { background: var(--bg-glass); border-color: rgba(255,255,255,0.25); }

/* ---- Cards ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: var(--transition);
}
.card:hover {
  border-color: rgba(255,255,255,0.18);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

/* ---- Glass Card ---- */
.glass-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* ---- Dividers ---- */
.divider {
  width: 60px; height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  margin: 20px 0 32px 0;
}
.divider-center {
  width: 60px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  margin: 20px auto 32px;
}

/* ---- Section Headers ---- */
.section-header { text-align: center; margin-bottom: 64px; }
.section-header .eyebrow { margin-bottom: 12px; }
.section-header h2 { margin-bottom: 16px; }
.section-header p { max-width: 560px; margin: 0 auto; }

/* ---- Grid Helpers ---- */
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }

/* ---- Reveal Animation ---- */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---- Footer ---- */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 56px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand p { font-size: 0.9rem; margin-top: 10px; max-width: 280px; }
.footer-col h4 { font-size: 0.85rem; font-weight: 600; margin-bottom: 16px; color: var(--text-primary); }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 0.85rem; color: var(--text-secondary); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--text-primary); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.footer-bottom p { font-size: 0.8rem; color: var(--text-tertiary); }

/* ---- Page Hero (inner pages) ---- */
.page-hero {
  padding: 140px 0 80px;
  text-align: center;
  background: radial-gradient(ellipse 70% 50% at 50% -10%, rgba(41,151,255,0.18) 0%, transparent 60%);
}
.page-hero .eyebrow { margin-bottom: 16px; }
.page-hero h1 { margin-bottom: 20px; }
.page-hero p { max-width: 580px; margin: 0 auto; font-size: 1.1rem; }

/* ---- Tag Pill ---- */
.tag {
  display: inline-block;
  font-size: 0.75rem; font-weight: 500; letter-spacing: 0.05em;
  padding: 4px 12px; border-radius: 980px;
  background: rgba(41,151,255,0.12);
  color: var(--accent);
  border: 1px solid rgba(41,151,255,0.25);
}

/* ----------------------------------------
   MOBILE RESPONSIVE
---------------------------------------- */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

/* ---- Mobile Menu ---- */
.mobile-menu {
  display: none;
  position: fixed; top: 52px; left: 0; right: 0;
  background: rgba(0,0,0,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 20px 24px;
  z-index: 999;
  flex-direction: column; gap: 20px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { font-size: 1rem; color: var(--text-secondary); transition: color var(--transition); }
.mobile-menu a:hover { color: var(--text-primary); }