/* ═══════════════════════════════════════════════════════════════
   SOLZARK SYSTEMS LLC — Main Stylesheet
   Fonts: Inter (body) · Space Grotesk (headings) via Google Fonts
   ═══════════════════════════════════════════════════════════════ */

:root {
  --purple:       #461D7C;
  --gold:         #FDD023;
  --dark-purple:  #2D1154;
  --bg:           #0f0f0f;
  --white:        #ffffff;
  --muted:        #888780;
  --light-purple: #9B7CC4;
  --purple-bg2:   #1a0d30;
  --card-bg:      #161616;
  --transition:   0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--white);
  font-family: 'Inter', sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul { list-style: none; }

h1, h2, h3, h4 { font-family: 'Space Grotesk', sans-serif; line-height: 1.15; }
h1 { font-size: clamp(2.4rem, 5.5vw, 4.2rem); font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 700; letter-spacing: -0.015em; }
h3 { font-size: 1.15rem; font-weight: 600; }
p  { color: rgba(255,255,255,0.72); font-size: 1rem; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

.section-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
  display: block;
}
.gold-line { width: 3rem; height: 2px; background: var(--gold); margin: 1rem 0 1.8rem; }

/* Scroll animations */
.fade-up { opacity: 0; transform: translateY(32px); transition: opacity 0.65s ease, transform 0.65s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.stagger-1 { transition-delay: 0.05s; }
.stagger-2 { transition-delay: 0.12s; }
.stagger-3 { transition-delay: 0.19s; }
.stagger-4 { transition-delay: 0.26s; }
.stagger-5 { transition-delay: 0.33s; }
.stagger-6 { transition-delay: 0.40s; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.78rem 1.75rem; border-radius: 4px;
  font-family: 'Space Grotesk', sans-serif; font-weight: 600;
  font-size: 0.92rem; letter-spacing: 0.02em; transition: var(--transition);
}
.btn-primary { background: var(--gold); color: var(--purple); }
.btn-primary:hover { background: #ffe566; box-shadow: 0 0 28px rgba(253,208,35,0.45); transform: translateY(-1px); }
.btn-secondary { background: transparent; color: var(--white); border: 1.5px solid rgba(255,255,255,0.35); }
.btn-secondary:hover { border-color: rgba(255,255,255,0.75); background: rgba(255,255,255,0.06); transform: translateY(-1px); }

/* ── NAV ────────────────────────────────────────────────────── */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 0.9rem 0;
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}
#nav.scrolled {
  background: rgba(15,15,15,0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(253,208,35,0.08);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.nav-logo img, .nav-logo-img { height: 52px; width: auto; display: block; }

.nav-links { display: flex; align-items: center; gap: 2.2rem; }
.nav-links a {
  font-family: 'Space Grotesk', sans-serif; font-size: 0.88rem; font-weight: 500;
  color: rgba(255,255,255,0.7); letter-spacing: 0.04em;
  transition: color var(--transition); position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -3px; left: 0;
  width: 0; height: 1.5px; background: var(--gold); transition: width var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--white); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.hamburger { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--white); transition: var(--transition); transform-origin: center; }
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

.mobile-nav {
  display: none; flex-direction: column;
  background: rgba(15,15,15,0.97); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  position: absolute; top: 100%; left: 0; right: 0;
  border-top: 1px solid rgba(253,208,35,0.12); padding: 1rem 0;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-family: 'Space Grotesk', sans-serif; font-size: 1rem; font-weight: 500;
  color: rgba(255,255,255,0.8); padding: 0.9rem 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: color var(--transition), background var(--transition);
}
.mobile-nav a:hover { color: var(--gold); background: rgba(253,208,35,0.04); }

/* ── HERO ───────────────────────────────────────────────────── */
#home {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden; background: var(--bg);
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.hero-bg::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 35%, rgba(70,29,124,0.18) 0%, transparent 55%),
    radial-gradient(circle at 78% 60%, rgba(70,29,124,0.10) 0%, transparent 45%);
}
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(155,124,196,0.18) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}
.hero-node { position: absolute; border-radius: 50%; animation: nodePulse 4s ease-in-out infinite; }
.hero-node-1 { width:8px; height:8px; background:var(--gold); opacity:.7; top:22%; left:12%; animation-delay:0s; }
.hero-node-2 { width:5px; height:5px; background:var(--light-purple); opacity:.6; top:68%; left:8%; animation-delay:1.2s; }
.hero-node-3 { width:6px; height:6px; background:var(--gold); opacity:.5; top:45%; right:15%; animation-delay:.6s; }
.hero-node-4 { width:4px; height:4px; background:var(--white); opacity:.4; top:30%; right:28%; animation-delay:1.8s; }
.hero-node-5 { width:7px; height:7px; background:var(--light-purple); opacity:.5; top:75%; right:22%; animation-delay:.3s; }
.hero-node-6 { width:5px; height:5px; background:var(--gold); opacity:.45; top:15%; left:55%; animation-delay:2.2s; }
.hero-node-7 { width:4px; height:4px; background:var(--white); opacity:.35; top:85%; left:38%; animation-delay:1.5s; }
@keyframes nodePulse { 0%,100%{opacity:.2;transform:scale(1)} 50%{opacity:.9;transform:scale(1.5)} }

.hero-content { position: relative; z-index: 1; max-width: 780px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: 'Space Grotesk', sans-serif; font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); margin-bottom: 1.5rem;
}
.hero-eyebrow::before { content: ''; width: 2rem; height: 1.5px; background: var(--gold); display: block; }
.hero-headline { margin-bottom: 1.2rem; }
.hero-headline .accent { color: var(--gold); }
.hero-sub {
  font-size: clamp(1.05rem,2vw,1.22rem); color: rgba(255,255,255,0.58);
  margin-bottom: 2.4rem; max-width: 560px; line-height: 1.7;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 1rem; }

/* ── ABOUT ──────────────────────────────────────────────────── */
#about { background: var(--purple-bg2); padding: 7rem 0; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.about-body { color: rgba(255,255,255,0.68); line-height: 1.8; margin-bottom: 0.9rem; }
.about-body.callout { color: rgba(255,255,255,0.85); font-weight: 500; }
.stats-row { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.2rem; margin-top: 2.4rem; }
.stat-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.07);
  border-radius: 6px; padding: 1.2rem 1rem; text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}
.stat-card:hover { border-color: rgba(253,208,35,0.25); transform: translateY(-2px); }
.stat-num { font-family: 'Space Grotesk',sans-serif; font-size: 1.55rem; font-weight: 700; color: var(--gold); display: block; }
.stat-label { font-size: 0.75rem; color: var(--muted); margin-top: 0.25rem; line-height: 1.4; }
.about-visual { display: flex; align-items: center; justify-content: center; }
.about-network { width: 100%; max-width: 420px; filter: drop-shadow(0 0 40px rgba(70,29,124,0.4)); }

/* ── SERVICES ───────────────────────────────────────────────── */
#services { background: var(--bg); padding: 7rem 0; }
.services-header { margin-bottom: 3.5rem; }
.services-sub { color: var(--muted); font-size: 1.05rem; margin-top: 0.5rem; }
.services-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.4rem; }
.service-card {
  background: var(--card-bg); border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px; padding: 2rem 1.8rem;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(70,29,124,0.06) 0%, transparent 60%); pointer-events: none;
}
.service-card:hover { border-color: rgba(70,29,124,0.6); transform: translateY(-4px); box-shadow: 0 12px 40px rgba(70,29,124,0.2); }
.svc-icon { width: 2.6rem; height: 2.6rem; margin-bottom: 1.2rem; color: var(--gold); }
.svc-title { color: var(--white); margin-bottom: 0.65rem; font-size: 1.05rem; }
.svc-body { font-size: 0.88rem; color: rgba(255,255,255,0.6); line-height: 1.7; margin-bottom: 1.2rem; }
.svc-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tag {
  font-family: 'Space Grotesk',sans-serif; font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.04em; color: var(--gold); background: rgba(253,208,35,0.1);
  border: 1px solid rgba(253,208,35,0.2); padding: 0.22rem 0.55rem; border-radius: 2px;
}

/* ── WHY ────────────────────────────────────────────────────── */
#why { background: var(--dark-purple); padding: 7rem 0; position: relative; overflow: hidden; }
#why::before {
  content: ''; position: absolute; top:0; right:0; width:50%; height:100%;
  background: radial-gradient(ellipse at 80% 50%, rgba(70,29,124,0.4) 0%, transparent 65%); pointer-events: none;
}
.why-header { text-align: center; margin-bottom: 3.5rem; position: relative; z-index: 1; }
.why-header .gold-line { margin: 1rem auto 0; }
.why-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.8rem; position: relative; z-index: 1; }
.why-card {
  padding: 1.8rem; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.07);
  border-radius: 8px; transition: border-color var(--transition), background var(--transition);
}
.why-card:hover { background: rgba(255,255,255,0.06); border-color: rgba(253,208,35,0.2); }
.why-icon { width: 2rem; height: 2rem; color: var(--gold); margin-bottom: 1rem; }
.why-title { font-size: 0.98rem; color: var(--white); margin-bottom: 0.45rem; }
.why-desc { font-size: 0.86rem; color: rgba(255,255,255,0.55); line-height: 1.65; }

/* ── PROCESS ────────────────────────────────────────────────── */
#process { background: var(--bg); padding: 7rem 0; }
.process-header { margin-bottom: 4rem; }
.process-timeline { display: grid; grid-template-columns: repeat(4,1fr); position: relative; }
.process-timeline::before {
  content: ''; position: absolute; top: 1.6rem;
  left: calc(25%/2); right: calc(25%/2);
  height: 2px; background: linear-gradient(90deg, var(--gold) 0%, rgba(253,208,35,0.2) 100%); z-index: 0;
}
.process-step { position: relative; z-index: 1; padding: 0 1.5rem 0 0; }
.step-num {
  width: 3.2rem; height: 3.2rem; border-radius: 50%; background: var(--purple);
  border: 2px solid var(--gold); display: flex; align-items: center; justify-content: center;
  font-family: 'Space Grotesk',sans-serif; font-size: 1rem; font-weight: 700;
  color: var(--gold); margin-bottom: 1.5rem;
}
.step-label { font-family: 'Space Grotesk',sans-serif; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.45rem; }
.step-title { color: var(--white); margin-bottom: 0.6rem; font-size: 1.05rem; }
.step-body { font-size: 0.87rem; color: rgba(255,255,255,0.55); line-height: 1.7; }

/* ── CONTACT ────────────────────────────────────────────────── */
#contact { background: var(--purple-bg2); padding: 7rem 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 5rem; align-items: start; }
.contact-sub { color: rgba(255,255,255,0.55); margin-bottom: 2.4rem; }
.contact-item { display: flex; align-items: flex-start; gap: 0.9rem; margin-bottom: 1.4rem; }
.contact-item-icon { width: 1.3rem; height: 1.3rem; color: var(--gold); flex-shrink: 0; margin-top: 2px; }
.contact-item-label { font-family: 'Space Grotesk',sans-serif; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.15rem; }
.contact-item-val { font-size: 0.93rem; color: rgba(255,255,255,0.8); transition: color var(--transition); }
.contact-item-val:hover { color: var(--gold); }
.response-note { font-size: 0.8rem; color: var(--muted); margin-top: 0.2rem; font-style: italic; }

.contact-form {
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.07);
  border-radius: 10px; padding: 2.2rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.1rem; }
.form-group label { display: block; font-family: 'Space Grotesk',sans-serif; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.45rem; }
.form-group input, .form-group textarea {
  width: 100%; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px; color: var(--white); font-family: 'Inter',sans-serif;
  font-size: 0.92rem; padding: 0.75rem 1rem; outline: none; resize: vertical;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: rgba(255,255,255,0.25); }
.form-group input:focus, .form-group textarea:focus { border-color: rgba(70,29,124,0.7); box-shadow: 0 0 0 3px rgba(70,29,124,0.15); }
.form-group textarea { min-height: 130px; }
.form-submit { width: 100%; padding: 0.9rem; font-family: 'Space Grotesk',sans-serif; font-weight: 700; font-size: 0.9rem; letter-spacing: 0.04em; }

#form-success { display: none; text-align: center; padding: 2rem; }
#form-success .check-icon { width: 2.8rem; height: 2.8rem; color: var(--gold); margin: 0 auto 0.8rem; }
#form-success h3 { color: var(--white); margin-bottom: 0.5rem; }
#form-success p { color: var(--muted); font-size: 0.9rem; }

/* ── FOOTER ─────────────────────────────────────────────────── */
footer { background: var(--bg); border-top: 1px solid rgba(253,208,35,0.18); padding: 2.8rem 0; }
.footer-inner { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 2rem; }
.footer-brand .tagline { font-size: 0.78rem; color: var(--muted); margin-top: 0.4rem; }
.footer-logo { height: 44px; width: auto; }
.footer-links { display: flex; gap: 2rem; }
.footer-links a { font-family: 'Space Grotesk',sans-serif; font-size: 0.82rem; font-weight: 500; color: var(--muted); transition: color var(--transition); }
.footer-links a:hover { color: var(--gold); }
.footer-copy { text-align: right; font-size: 0.78rem; color: var(--muted); }

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2,1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-visual { order: -1; }
  .stats-row { grid-template-columns: repeat(2,1fr); }
  .process-timeline { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .process-timeline::before { display: none; }
  .why-grid { grid-template-columns: repeat(2,1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-brand { display: flex; flex-direction: column; align-items: center; }
  .footer-logo { margin: 0 auto; display: block; }
  .footer-links { justify-content: center; }
  .footer-copy { text-align: center; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2,1fr); }
  .process-timeline { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  h1 { font-size: 2.2rem; }
  #about, #services, #why, #process, #contact { padding: 5rem 0; }
}