/* ============================================================
   ProPulse Technologies FZ-LLC
   Design: Liquid Glass | Enterprise Gateway
   Palette: Deep Navy + Amber Gold
   Type: Cormorant (heading) + Montserrat (body)
   ============================================================ */

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background-color: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* === TOKENS === */
:root {
  --c-bg:           #07091C;
  --c-bg2:          #0B0F28;
  --c-card:         rgba(255,255,255,0.035);
  --c-card-h:       rgba(255,255,255,0.065);
  --c-border:       rgba(255,255,255,0.06);
  --c-border-h:     rgba(202,138,4,0.45);
  --c-gold:         #CA8A04;
  --c-gold-l:       #F59E0B;
  --c-gold-xl:      #FCD34D;
  --c-text:         #EFF3FA;
  --c-text-m:       #8A95B0;
  --c-text-s:       #525C78;
  --font-h:         'Cormorant', Georgia, serif;
  --font-b:         'Montserrat', 'Segoe UI', sans-serif;
  --nav-h:          88px;
  --sec-py:         110px;
  --radius:         16px;
  --ease:           cubic-bezier(0.4, 0, 0.2, 1);
  --t:              250ms;
  --t-slow:         550ms;
}

/* === TYPOGRAPHY SCALE === */
h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-h);
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: -0.01em;
}
p { font-family: var(--font-b); line-height: 1.75; }

/* === LAYOUT === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 80px);
}
.section { padding: var(--sec-py) 0; }
.section--sm { padding: 60px 0; }

/* === ANIMATED BACKGROUND === */
.bg-scene {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  will-change: transform;
  animation: orbDrift var(--dur, 28s) ease-in-out infinite var(--delay, 0s);
}
.orb-gold {
  width: 720px; height: 720px;
  background: radial-gradient(circle, rgba(202,138,4,0.22) 0%, transparent 65%);
  top: -180px; right: -160px;
  --dur: 32s;
}
.orb-blue {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(29,54,140,0.3) 0%, transparent 65%);
  bottom: 0; left: -140px;
  --dur: 26s; --delay: -9s;
}
.orb-mid {
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(15,23,58,0.45) 0%, transparent 70%);
  top: 45%; left: 38%;
  --dur: 20s; --delay: -17s;
}
@keyframes orbDrift {
  0%,100% { transform: translate(0,0) scale(1); }
  25%      { transform: translate(35px,-40px) scale(1.04); }
  50%      { transform: translate(-25px,28px) scale(0.96); }
  75%      { transform: translate(20px,15px) scale(1.02); }
}

/* Grid texture */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 64px 64px;
}

/* === NAVBAR === */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.nav.is-scrolled {
  background: rgba(7,9,28,0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.04);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  transition: transform var(--t) var(--ease);
  height: 64px;
}
.nav__logo:hover {
  transform: scale(1.05);
}
.nav__logo img {
  height: 64px;
  width: auto;
}
.nav__logo-wordmark {
  font-family: var(--font-h);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-text);
  letter-spacing: 0.02em;
}
.nav__logo-wordmark em { font-style: normal; color: var(--c-gold-l); }
.nav__links {
  display: flex;
  align-items: center;
  gap: 38px;
}
.nav__links a {
  font-family: var(--font-b);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--c-text-m);
  position: relative;
  transition: color var(--t) var(--ease);
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--c-gold-l);
  transition: width var(--t) var(--ease);
}
.nav__links a:hover,
.nav__links a.active { color: var(--c-text); }
.nav__links a:hover::after,
.nav__links a.active::after { width: 100%; }

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 6px;
  font-family: var(--font-b);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: all var(--t) var(--ease);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-gold {
  background: linear-gradient(135deg, var(--c-gold), var(--c-gold-l));
  color: #06080F;
  border-color: transparent;
}
.btn-gold:hover {
  background: linear-gradient(135deg, var(--c-gold-l), var(--c-gold-xl));
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(202,138,4,0.38);
}
.btn-ghost {
  background: transparent;
  color: var(--c-text);
  border-color: rgba(255,255,255,0.18);
}
.btn-ghost:hover {
  border-color: var(--c-gold-l);
  color: var(--c-gold-l);
  transform: translateY(-2px);
}
.btn-sm  { padding: 9px 20px; font-size: 0.73rem; }
.btn-lg  { padding: 16px 38px; font-size: 0.82rem; }

/* === HAMBURGER === */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: all var(--t) var(--ease);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* === MOBILE MENU === */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--nav-h);
  background: rgba(7,9,28,0.97);
  backdrop-filter: blur(24px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 36px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t) var(--ease);
}
.mobile-nav.open {
  display: flex;
  opacity: 1;
  pointer-events: auto;
}
.mobile-nav a {
  font-family: var(--font-h);
  font-size: clamp(2rem, 8vw, 3rem);
  font-weight: 600;
  color: var(--c-text);
  transition: color var(--t);
}
.mobile-nav a:hover { color: var(--c-gold-l); }

/* === GLASS CARD === */
.card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background var(--t) var(--ease), border-color var(--t) var(--ease),
              transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.card:hover {
  background: var(--c-card-h);
  border-color: var(--c-border-h);
  transform: translateY(-5px);
  box-shadow: 0 6px 40px rgba(0,0,0,0.35), 0 0 40px rgba(202,138,4,0.1);
}

/* === SECTION HEADER === */
.sec-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-b);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-gold-l);
  margin-bottom: 18px;
}
.sec-eyebrow::before {
  content: '';
  display: block;
  width: 28px; height: 1px;
  background: var(--c-gold-l);
}
.sec-title {
  font-size: clamp(2rem, 4vw, 3.4rem);
  color: var(--c-text);
  margin-bottom: 18px;
}
.sec-sub {
  font-family: var(--font-b);
  font-size: 1rem;
  color: var(--c-text-m);
  max-width: 560px;
  line-height: 1.8;
}

/* === PAGE HERO === */
.page-hero {
  padding-top: calc(var(--nav-h) + 80px);
  padding-bottom: 80px;
  text-align: center;
}
.page-hero__title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  color: var(--c-text);
  margin-bottom: 20px;
}
.page-hero__sub {
  font-family: var(--font-b);
  font-size: 1.05rem;
  color: var(--c-text-m);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.8;
}

/* Gold divider */
.gold-line {
  display: block;
  width: 56px; height: 2px;
  background: linear-gradient(90deg, var(--c-gold), var(--c-gold-l), transparent);
  margin: 20px 0;
}
.gold-line--center { margin: 20px auto; }

/* === FOOTER === */
.footer {
  background: #04060F;
  border-top: 1px solid var(--c-border);
  padding: 80px 0 36px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.6fr;
  gap: 56px;
  margin-bottom: 64px;
}
.footer__brand-name {
  font-family: var(--font-h);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 14px;
}
.footer__brand-name em { font-style: normal; color: var(--c-gold-l); }
.footer__brand-desc {
  font-size: 0.875rem;
  color: var(--c-text-m);
  line-height: 1.8;
  margin-bottom: 20px;
}
.footer__tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-text-s);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--c-border);
  border-radius: 100px;
  padding: 4px 12px;
}
.footer__col-head {
  font-family: var(--font-b);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-text);
  margin-bottom: 20px;
}
.footer__list { display: flex; flex-direction: column; gap: 10px; }
.footer__list a {
  font-size: 0.875rem;
  color: var(--c-text-m);
  transition: color var(--t);
}
.footer__list a:hover { color: var(--c-gold-l); }
.footer__contact-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}
.footer__contact-row svg { flex-shrink: 0; margin-top: 1px; color: var(--c-gold-l); }
.footer__contact-row span,
.footer__contact-row a {
  font-size: 0.85rem;
  color: var(--c-text-m);
  line-height: 1.65;
}
.footer__contact-row a:hover { color: var(--c-gold-l); }
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid var(--c-border);
  font-size: 0.78rem;
  color: var(--c-text-s);
}

/* === EMAIL FLOAT BUTTON === */
.float-contact {
  position: fixed;
  bottom: 30px; right: 30px;
  z-index: 900;
  width: 54px; height: 54px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-gold), var(--c-gold-l));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(202,138,4,0.4);
  transition: all var(--t) var(--ease);
  color: #06080F;
}
.float-contact:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 8px 32px rgba(202,138,4,0.55);
}
.float-contact__tooltip {
  position: absolute;
  right: 64px;
  background: rgba(7,9,28,0.92);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  padding: 6px 14px;
  font-family: var(--font-b);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--c-text);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(6px);
  transition: all var(--t) var(--ease);
  pointer-events: none;
}
.float-contact:hover .float-contact__tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* === SCROLL REVEAL === */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.10s; }
.reveal-d2 { transition-delay: 0.20s; }
.reveal-d3 { transition-delay: 0.30s; }
.reveal-d4 { transition-delay: 0.40s; }
.reveal-d5 { transition-delay: 0.50s; }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  :root { --sec-py: 72px; }
  .nav__links, .nav__cta { display: none; }
  .hamburger { display: flex; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; gap: 10px; text-align: center; }
  .float-contact { bottom: 20px; right: 20px; }
}

/* === REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
  .orb { animation: none !important; opacity: 0.2; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}