/* ═══════════════════════════════════════════════════════════
   ECHO AI Solutions — Main Stylesheet
   Fonts: Orbitron (display) · Inter (body)
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Inter:wght@300;400;500&display=swap');

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
img { max-width: 100%; display: block; }
h1, h2, h3 { overflow-wrap: break-word; }

:root {
  --black:    #00000a;
  --ink:      #06070f;
  --cyan:     #00d4ff;
  --violet:   #8b2fff;
  --amber:    #ff6200;
  --white:    #ffffff;
  --dim:      rgba(255,255,255,0.5);
  --rule:     rgba(0,212,255,0.12);
  --glow-c:   0 0 28px rgba(0,212,255,0.65), 0 0 80px rgba(0,212,255,0.2);
  --glow-v:   0 0 28px rgba(139,47,255,0.65), 0 0 80px rgba(139,47,255,0.2);
}

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  background: var(--black);
  color: var(--white);
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── HELPERS ────────────────────────────────────────────── */
.cyan   { color: var(--cyan); }
.violet { color: var(--violet); }
.eyebrow {
  display: block;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.38em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 16px;
}

/* ── BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-block;
  position: relative;
  font-family: 'Inter', sans-serif;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 15px 38px;
  border: 1px solid;
  cursor: pointer;
  transition: all 0.22s ease;
  white-space: nowrap;
}
/* Corner bracket accents — top-left and bottom-right */
.btn::before, .btn::after {
  content: '';
  position: absolute;
  width: 9px; height: 9px;
  border-color: currentColor;
  border-style: solid;
  opacity: 0;
  transition: opacity 0.22s;
}
.btn::before { top: -2px; left: -2px;  border-width: 2px 0 0 2px; }
.btn::after  { bottom: -2px; right: -2px; border-width: 0 2px 2px 0; }
.btn:hover::before, .btn:hover::after { opacity: 0.7; }

.btn-cyan   { background: var(--cyan);   color: var(--black); border-color: var(--cyan); }
.btn-cyan:hover   { background: transparent; color: var(--cyan);   box-shadow: 0 0 24px rgba(0,212,255,0.8), 0 0 60px rgba(0,212,255,0.3); }
.btn-violet { background: var(--violet); color: var(--white); border-color: var(--violet); }
.btn-violet:hover { background: transparent; color: var(--violet); box-shadow: 0 0 24px rgba(139,47,255,0.8), 0 0 60px rgba(139,47,255,0.3); }
.btn-ghost  { background: transparent;  color: rgba(255,255,255,0.7); border-color: rgba(255,255,255,0.25); }
.btn-ghost:hover  { border-color: rgba(255,255,255,0.55); color: var(--white); }

/* ── HERO COSMIC BUTTONS ─────────────────────────────────────
   Colors pulled directly from the hero image:
   cold = the violet/cyan aurora & nebula energy
   warm = the amber/orange solar burst & city glow
   ────────────────────────────────────────────────────────── */

.btn-hero-cold {
  background: rgba(2, 2, 22, 0.72);
  border: 1px solid rgba(139,47,255,0.6);
  color: rgba(185,120,255,0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  text-shadow: 0 0 14px rgba(139,47,255,0.8);
  box-shadow:
    0 0 18px rgba(139,47,255,0.32),
    0 0 50px rgba(100,0,200,0.15),
    inset 0 0 20px rgba(139,47,255,0.06);
  transition: all 0.32s ease;
}
.btn-hero-cold:hover {
  background: rgba(139,47,255,0.1);
  border-color: rgba(185,120,255,0.95);
  color: #fff;
  letter-spacing: 0.26em;
  text-shadow: 0 0 12px rgba(185,120,255,1), 0 0 30px rgba(139,47,255,0.8);
  box-shadow:
    0 0 32px rgba(139,47,255,0.8),
    0 0 80px rgba(100,0,220,0.45),
    inset 0 0 28px rgba(139,47,255,0.1);
}

.btn-hero-warm {
  background: rgba(2, 2, 22, 0.72);
  border: 1px solid rgba(255,110,0,0.5);
  color: rgba(255,165,60,0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  text-shadow: 0 0 14px rgba(255,100,0,0.65);
  box-shadow:
    0 0 18px rgba(255,98,0,0.22),
    0 0 50px rgba(255,170,0,0.08),
    inset 0 0 20px rgba(255,100,0,0.04);
  transition: all 0.32s ease;
}
.btn-hero-warm:hover {
  background: rgba(255,100,0,0.09);
  border-color: rgba(255,165,50,0.95);
  color: #fff;
  letter-spacing: 0.26em;
  text-shadow: 0 0 12px rgba(255,150,0,1), 0 0 30px rgba(255,80,0,0.7);
  box-shadow:
    0 0 32px rgba(255,110,0,0.7),
    0 0 80px rgba(255,60,0,0.28),
    inset 0 0 28px rgba(255,120,0,0.07);
}
.signal-rule {
  display: flex;
  align-items: center;
  padding: 0 60px;
}
.signal-rule span {
  flex: 1;
  height: 1px;
}
.signal-rule span:first-child {
  background: linear-gradient(90deg, transparent, rgba(0,212,255,0.7));
}
.signal-rule span:last-child {
  background: linear-gradient(270deg, transparent, rgba(0,212,255,0.7));
}
.signal-rule i {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow:
    0 0 0 3px rgba(0,212,255,0.15),
    0 0 16px rgba(0,212,255,1),
    0 0 40px rgba(0,212,255,0.5);
  flex-shrink: 0;
  font-style: normal;
}


/* ═══ NAV ═══════════════════════════════════════════════════ */
nav#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0 52px;
  height: 68px;
  background: rgba(0, 0, 10, 0.0);
  border-bottom: 1px solid rgba(0,212,255,0);
  transition: background 0.3s, border-color 0.3s;
}
nav#nav.scrolled {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom-color: transparent;
}

/* Logo — the circular circuit-tree image */
.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  margin-right: auto;
}
.logo-img {
  height: 68px;
  width: 68px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  opacity: 0.72;
  transition: opacity 0.3s, box-shadow 0.3s;
}
.logo:hover .logo-img {
  opacity: 0.92;
  box-shadow: 0 0 0 2px rgba(0,212,255,0.4), 0 0 20px rgba(0,212,255,0.3);
}

/* Nav links */
.nav-links {
  display: flex;
  list-style: none;
  gap: 0;
  align-items: center;
}
.nav-links a {
  display: block;
  padding: 0 16px;
  height: 68px;
  line-height: 68px;
  font-family: 'Orbitron', sans-serif;
  font-weight: 400;
  font-size: 0.6rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255,185,55,0.82);
  text-decoration: none;
  position: relative;
  transition: color 0.3s ease, letter-spacing 0.35s ease, text-shadow 0.3s ease;
}

/* Center-expanding violet underline */
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--violet);
  box-shadow: 0 0 8px rgba(139,47,255,1), 0 0 24px rgba(139,47,255,0.6);
  transition: width 0.35s cubic-bezier(.16,1,.3,1);
}

.nav-links a:hover {
  color: rgba(255,215,100,0.98);
  letter-spacing: 0.3em;
  text-shadow:
    0 0 8px rgba(255,185,55,0.9),
    0 0 24px rgba(255,150,30,0.5),
    0 0 48px rgba(255,120,0,0.2);
}
.nav-links a:hover::after { width: calc(100% - 32px); }

/* Active page: cyan text, violet underline stays solid */
.nav-links a.active {
  color: var(--cyan);
  text-shadow:
    0 0 8px rgba(0,212,255,0.9),
    0 0 24px rgba(0,212,255,0.5);
}
.nav-links a.active::after {
  width: calc(100% - 32px);
  background: var(--violet);
  box-shadow: 0 0 8px rgba(139,47,255,1), 0 0 24px rgba(139,47,255,0.6);
}
/* Active page hover: keep cyan text, violet line stays */
.nav-links a.active:hover {
  color: var(--cyan);
  text-shadow:
    0 0 8px rgba(0,212,255,0.9),
    0 0 24px rgba(0,212,255,0.5);
}
.nav-links a.active:hover::after {
  width: calc(100% - 32px);
  background: var(--violet);
  box-shadow: 0 0 8px rgba(139,47,255,1), 0 0 24px rgba(139,47,255,0.6);
}

/* Contact button — gold text, cyan border, no underline bar */
.nav-contact {
  margin-left: 20px;
  background: transparent !important;
  border: 1px solid rgba(255,185,55,0.5) !important;
  color: rgba(255,185,55,0.82) !important;
  padding: 9px 22px !important;
  height: auto !important;
  line-height: 1 !important;
  font-family: 'Orbitron', sans-serif !important;
  font-size: 0.58rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.28em !important;
  text-transform: uppercase !important;
  text-decoration: none !important;
  position: relative !important;
  overflow: hidden !important;
  transition: all 0.3s ease !important;
  text-shadow: 0 0 12px rgba(255,185,55,0.4);
}
/* Suppress underline bar on contact button */
.nav-contact::after { display: none !important; }
/* Light sweep across on hover */
.nav-contact::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255,185,55,0.15) 50%,
    transparent 100%
  );
  transition: left 0.45s ease;
  pointer-events: none;
}
.nav-contact:hover::before { left: 100% !important; }
.nav-contact:hover {
  background: rgba(255,185,55,0.07) !important;
  color: rgba(255,215,100,0.98) !important;
  border-color: rgba(255,185,55,0.85) !important;
  box-shadow:
    0 0 16px rgba(255,185,55,0.4),
    0 0 40px rgba(255,150,30,0.2),
    inset 0 0 16px rgba(255,185,55,0.05) !important;
  text-shadow: 0 0 10px rgba(255,185,55,0.9), 0 0 24px rgba(255,150,30,0.5) !important;
  letter-spacing: 0.34em !important;
}

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px; height: 38px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 6px;
  flex-shrink: 0;
}
.burger span {
  display: block;
  height: 2px;
  background: var(--white);
  border-radius: 1px;
  transition: transform 0.26s, opacity 0.26s;
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.nav-drawer {
  position: fixed;
  top: 0; right: 0;
  width: 72vw; max-width: 280px;
  height: 100vh;
  background: #030310;
  border-left: 1px solid var(--rule);
  z-index: 300;
  padding: 88px 32px 40px;
  transform: translateX(105%);
  transition: transform 0.3s cubic-bezier(.16,1,.3,1);
}
.nav-drawer.open { transform: translateX(0); }
.nav-drawer ul { list-style: none; }
.nav-drawer a {
  display: block;
  padding: 15px 0;
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.92);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.nav-drawer a:hover { color: var(--cyan); }
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 290;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s;
}
.drawer-backdrop.show { opacity: 1; visibility: visible; }


/* ═══ HERO ═══════════════════════════════════════════════════ */
.hero {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-img {
  position: absolute;
  inset: 0;
  background-image: url('images/hero_banner.jpg');
  background-size: cover;
  background-position: center 40%;
  transform: scale(1.04);
  will-change: transform;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 75% 55% at 50% 52%, rgba(0,0,15,0.6) 0%, transparent 100%),
    linear-gradient(
      180deg,
      rgba(0,0,10,0.35)  0%,
      rgba(0,0,10,0.0)   20%,
      rgba(0,0,10,0.0)   55%,
      rgba(0,0,10,0.96) 100%
    );
}

/* Subtle scanline texture — futuristic CRT feel */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    0deg,
    transparent          0px,
    transparent          3px,
    rgba(0,0,0,0.055)   3px,
    rgba(0,0,0,0.055)   4px
  );
}

.hero-body {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 160px 32px 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ECHO AI — the wordmark, appears first */
.hero-wordmark {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: clamp(4.8rem, 15vw, 13rem);
  line-height: 0.9;
  letter-spacing: 0.08em;
  color: var(--white);
  margin-bottom: 4px;
  text-shadow:
    0 0 80px rgba(0,0,0,0.9),
    0 0 40px rgba(0,0,0,0.8),
    0 2px 8px rgba(0,0,0,0.6);
}
.hero-wordmark .cyan {
  color: var(--cyan);
  text-shadow:
    0 0 14px rgba(0,212,255,0.7),
    0 0 40px rgba(0,212,255,0.28),
    0 0 70px rgba(0,212,255,0.1);
}

/* Title group — constrains Solutions to exact width of ECHO AI */
.hero-title {
  display: inline-flex;
  flex-direction: column;
  align-items: stretch;
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp 0.9s 0.18s ease forwards;
}
.hero-title .hero-wordmark {
  margin-bottom: 2px;
  opacity: 1;
  animation: none;
}

/* Solutions row — lines fill to the edges of ECHO AI */
.hero-solutions {
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0;
  animation: fadeUp 0.7s 0.42s ease forwards;
}
.hs-line {
  flex: 1;
  height: 1px;
  min-width: 0;
}
.hs-line-l { background: linear-gradient(90deg,  rgba(0,212,255,0.08), rgba(0,212,255,0.55)); }
.hs-line-r { background: linear-gradient(270deg, rgba(0,212,255,0.08), rgba(0,212,255,0.55)); }
.hs-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(0,212,255,1), 0 0 20px rgba(0,212,255,0.5);
  flex-shrink: 0;
}
.hs-text {
  font-family: 'Orbitron', sans-serif;
  font-weight: 400;
  font-size: clamp(0.55rem, 1.5vw, 1.3rem);
  letter-spacing: 0.44em;
  text-transform: uppercase;
  color: rgba(0,212,255,0.85);
  text-shadow: 0 0 16px rgba(0,212,255,0.5), 0 0 4px rgba(0,0,0,0.9);
  flex-shrink: 0;
  margin-left: 0.44em; /* compensate trailing letter-spacing */
}
.lockup-line {
  display: block;
  width: 52px; height: 1px;
}
.lockup-line:first-child {
  background: linear-gradient(90deg, transparent, var(--cyan));
}
.lockup-line:last-child {
  background: linear-gradient(270deg, transparent, var(--cyan));
}
.lockup-dot {
  display: block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(0,212,255,1), 0 0 30px rgba(0,212,255,0.6);
}
.lockup-txt {
  font-family: 'Inter', sans-serif;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.52em;
  text-transform: uppercase;
  color: var(--cyan);
  text-shadow: 0 0 20px rgba(0,212,255,0.9);
}

.hero-tag {
  font-family: 'Inter', sans-serif;
  font-size: clamp(0.68rem, 1.4vw, 0.92rem);
  font-weight: 500;
  letter-spacing: 0.52em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  text-shadow:
    0 0 40px rgba(0,0,0,1),
    0 0 20px rgba(0,0,0,0.9),
    0 1px 4px rgba(0,0,0,0.8);
  margin-bottom: 52px;
  opacity: 0;
  animation: fadeUp 0.7s 0.54s ease forwards;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0;
  animation: fadeUp 0.7s 0.7s ease forwards;
}

/* Scroll hint */
.hero-scroll {
  position: absolute;
  bottom: 28px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 1;
  opacity: 0;
  animation: fadeUp 0.6s 1.2s ease forwards;
}
.scroll-bar {
  width: 1px; height: 40px;
  background: linear-gradient(180deg, rgba(0,212,255,0.6), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
.hero-scroll span {
  font-size: 0.5rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.92);
}


/* ═══ PRODUCTS ═══════════════════════════════════════════════ */
.products { padding: 80px 0 0; }

.products-label {
  padding: 0 60px 56px;
}
.products-label h2 {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  line-height: 1.05;
  color: var(--white);
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.product-card {
  display: block;
  position: relative;
  min-height: 620px;
  text-decoration: none;
  color: var(--white);
  overflow: hidden;
}

.card-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.7s cubic-bezier(.16,1,.3,1);
}
.product-card:hover .card-img { transform: scale(1.06); }

.legacy-img   { background-image: url('images/legacy-bg.png'); }
.virtuosa-img { background-image: url('images/virtuosa-bg.png'); }

.card-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(150deg, rgba(0,5,25,0.25) 0%, rgba(0,5,25,0.82) 100%);
}
.violet-shade {
  background: linear-gradient(150deg, rgba(10,0,30,0.25) 0%, rgba(10,0,30,0.82) 100%);
}

.card-body {
  position: relative;
  z-index: 1;
  padding: 48px 44px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.card-tag {
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.92);
  margin-bottom: 12px;
}

.card-name {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: clamp(2.4rem, 4.5vw, 4rem);
  line-height: 0.95;
  margin-bottom: 8px;
}
.card-name.cyan   { color: var(--cyan);   text-shadow: 0 0 40px rgba(0,212,255,0.4); }
.card-name.violet { color: var(--violet);  text-shadow: 0 0 40px rgba(139,47,255,0.4); }

.card-sub {
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.92);
  margin-bottom: 20px;
}

.card-desc {
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.85;
  color: rgba(255,255,255,0.92);
  max-width: 44ch;
  margin-bottom: 28px;
}

.card-cta {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transition: letter-spacing 0.3s;
}
.card-cta.cyan   { color: var(--cyan); }
.card-cta.violet { color: var(--violet); }
.product-card:hover .card-cta { letter-spacing: 0.28em; }


/* ═══ BELIEF ═════════════════════════════════════════════════ */
.belief {
  position: relative;
  padding: 140px 0;
  text-align: center;
  overflow: hidden;
}

.belief-bg {
  position: absolute;
  inset: 0;
  background-image: url('images/signal-bg.jpg');
  background-size: cover;
  background-position: center;
}
.belief-shade {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 10, 0.78);
}

.belief-body {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
  padding: 0 60px;
}

.belief-body blockquote {
  font-family: 'Orbitron', sans-serif;
  font-weight: 400;
  font-size: clamp(0.95rem, 1.9vw, 1.4rem);
  line-height: 1.7;
  color: rgba(255,255,255,0.72);
  font-style: normal;
  border: none;
  margin-bottom: 52px;
}
.belief-body blockquote em {
  font-style: normal;
  color: rgba(255,255,255,0.92);
}
.belief-body blockquote strong {
  color: var(--cyan);
  font-weight: 700;
  text-shadow: var(--glow-c);
}

.belief-ctas {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}


/* ═══ FOOTER — SIGNAL HORIZON ════════════════════════════════ */
.footer-sh {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(to bottom, rgba(0,0,10,0.5) 0%, rgba(0,0,10,0.7) 55%, rgba(0,0,10,0.97) 100%),
    url('images/footer-nebula.png') center top / cover no-repeat;
  background-color: #00000a;
}

/* Main body — horizontal layout */
.sh-body {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 48px 60px 40px;
  gap: 60px;
}

/* Brand column */
.sh-brand {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}
.sh-emblem {
  position: relative;
  width: 52px; height: 52px;
  flex-shrink: 0;
}
.sh-emblem-core {
  position: relative;
  z-index: 1;
  display: block;
  width: 52px; height: 52px;
  border-radius: 50%;
}
.sh-icon {
  width: 52px; height: 52px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  opacity: 0.82;
  transition: opacity 0.25s;
}
.sh-emblem-core:hover .sh-icon { opacity: 1; }
.sh-ring {
  position: absolute;
  border-radius: 50%;
  top: 50%; left: 50%;
  border-style: solid;
}
.sh-ring-1 {
  width: 66px; height: 66px;
  border-width: 1px;
  border-color: rgba(0,212,255,0.22);
  transform: translate(-50%,-50%);
  animation: ringOrbit 14s linear infinite;
}
.sh-ring-2 {
  width: 82px; height: 82px;
  border-width: 1px;
  border-color: rgba(139,47,255,0.14);
  transform: translate(-50%,-50%);
  animation: ringOrbit 22s linear infinite reverse;
}
.sh-ring-1::after {
  content: '';
  position: absolute;
  top: -2.5px; left: 50%;
  transform: translateX(-50%);
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(0,212,255,1), 0 0 18px rgba(0,212,255,0.6);
}
.sh-ring-2::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--violet);
  box-shadow: 0 0 6px rgba(139,47,255,1), 0 0 14px rgba(139,47,255,0.5);
}
@keyframes ringOrbit {
  from { transform: translate(-50%,-50%) rotate(0deg); }
  to   { transform: translate(-50%,-50%) rotate(360deg); }
}

/* Brand text */
.sh-brand-text { display: flex; flex-direction: column; gap: 2px; }
.sh-wordmark {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: 1.35rem;
  letter-spacing: 0.2em;
  line-height: 1;
  background: linear-gradient(120deg, #fff 0%, var(--cyan) 55%, var(--violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.sh-solutions {
  font-family: 'Orbitron', sans-serif;
  font-weight: 400;
  font-size: 0.42rem;
  letter-spacing: 0.52em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-bottom: 10px;
}
.sh-tagline {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.09em;
  color: rgba(255,255,255,0.92);
  text-transform: uppercase;
}
.sh-location {
  font-size: 0.65rem;
  font-weight: 300;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.04em;
  margin-top: 4px;
}

/* Nav columns */
.sh-nav {
  display: flex;
  gap: 56px;
  flex-shrink: 0;
}
.sh-nav-col { display: flex; flex-direction: column; gap: 14px; }
.sh-nav-col-label {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.44rem;
  font-weight: 700;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--cyan);
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(0,212,255,0.15);
}
.sh-nav-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.sh-nav-links a {
  font-size: 0.84rem;
  font-weight: 300;
  color: rgba(255,255,255,0.88);
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: color 0.18s, text-shadow 0.18s;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.sh-nav-links a::before {
  content: '';
  width: 3px; height: 3px;
  border-radius: 50%;
  background: rgba(0,212,255,0.4);
  flex-shrink: 0;
  transition: background 0.18s, box-shadow 0.18s;
}
.sh-nav-links a:hover {
  color: rgba(255,255,255,0.95);
  text-shadow: 0 0 14px rgba(0,212,255,0.4);
}
.sh-nav-links a:hover::before {
  background: var(--cyan);
  box-shadow: 0 0 6px rgba(0,212,255,0.9);
}

/* Ground bar */
.sh-ground {
  position: relative;
  z-index: 2;
  padding: 0 60px 28px;
  border-top: none;
}
.sh-ground-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  font-size: 0.64rem;
  font-weight: 300;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.06em;
}
.sh-copy a {
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color 0.18s;
}
.sh-copy a:hover { color: rgba(255,255,255,0.65); }
.sh-sep { color: rgba(255,255,255,0.15); margin: 0 8px; }

.sh-vital {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.42rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
}
.sh-vital-ring {
  position: relative;
  width: 8px; height: 8px;
  flex-shrink: 0;
}
.sh-vital-dot {
  position: absolute;
  inset: 1px;
  border-radius: 50%;
  background: var(--cyan);
  z-index: 1;
  animation: vitalBeat 2.6s ease-in-out infinite;
}
.sh-vital-ring::before,
.sh-vital-ring::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(0,212,255,0.55);
  animation: vitalRing 2.6s ease-in-out infinite;
}
.sh-vital-ring::after {
  animation-delay: 0.18s;
  border-color: rgba(0,212,255,0.22);
}
@keyframes vitalBeat {
  0%,100% { transform: scale(1);   opacity: 0.5; }
  10%      { transform: scale(2);   opacity: 1; }
  20%      { transform: scale(1);   opacity: 0.6; }
  34%      { transform: scale(1.5); opacity: 0.85; }
  48%      { transform: scale(1);   opacity: 0.5; }
}
@keyframes vitalRing {
  0%,100% { transform: scale(0.6); opacity: 0; }
  10%      { transform: scale(3.2); opacity: 0.55; }
  35%      { transform: scale(1.4); opacity: 0; }
}

/* ── Footer Responsive ── */
@media (max-width: 860px) {
  .sh-body { flex-direction: column; gap: 36px; padding: 40px 32px 32px; }
  .sh-brand { flex-direction: row; }
  .sh-horizon { padding: 0 32px; }
  .sh-ground { padding: 0 32px 24px; }
}
@media (max-width: 520px) {
  .sh-body { padding: 32px 24px 24px; gap: 28px; }
  .sh-brand { gap: 14px; }
  .sh-nav { gap: 32px; }
  .sh-ground { padding: 0 24px 20px; }
  .sh-ground-inner { flex-direction: column; gap: 10px; text-align: center; }
  .sh-horizon { padding: 0 24px; }
}


/* ═══ ANIMATIONS ══════════════════════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(26px); }
  to   { opacity: 1; transform: none; }
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.7); transform-origin: top; }
  50%       { opacity: 1;   transform: scaleY(1);   transform-origin: top; }
}
@keyframes dotPulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50%       { opacity: 1;   transform: scale(1.5); }
}


/* ═══ RESPONSIVE ══════════════════════════════════════════════ */
@media (max-width: 960px) {
  nav#nav { padding: 0 24px; }
  .nav-links { display: none; }
  .burger { display: flex; }
  .signal-rule { padding: 0 28px; }
  .products-label { padding: 0 28px 44px; }
  .product-grid { grid-template-columns: 1fr; }
  .product-card { min-height: 520px; }
  .card-body { padding: 36px 32px; }
  .belief-body { padding: 0 28px; }
}

@media (max-width: 520px) {
  .hero-wordmark { font-size: clamp(3.5rem, 18vw, 5rem); }
  .hero-tag { font-size: 0.5rem; letter-spacing: 0.28em; }
  .hero-ctas { flex-direction: column; align-items: center; }
  .hero-ctas .btn { width: min(260px, 100%); text-align: center; }
  .belief-ctas { flex-direction: column; align-items: center; }
  .belief-ctas .btn { width: min(260px, 100%); text-align: center; }
}