/* ═══════════════════════════════════════════════════
   Generational Operations LLC — Main Stylesheet
   ═══════════════════════════════════════════════════ */

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

:root {
  --bg:        #04040c;
  --bg2:       #08080f;
  --bg3:       #0d0d1a;
  --bg4:       #111122;
  --silver:    #c8cdd6;
  --white:     #f0f2f5;
  --accent:    #8fa3c0;
  --accent2:   #a8bbd4;
  --dim:       #6b7585;
  --border:    rgba(200, 205, 214, 0.12);
  --border-br: rgba(200, 205, 214, 0.25);
  --glow:      rgba(143, 163, 192, 0.08);
  --glow2:     rgba(143, 163, 192, 0.15);
  --grad:      linear-gradient(135deg, #c8cdd6 0%, #8fa3c0 50%, #c8cdd6 100%);
  --grad-accent: linear-gradient(135deg, #a8bbd4 0%, #6a7f9a 50%, #a8bbd4 100%);
  --max-w:     1200px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--silver);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── TYPOGRAPHY ── */
h1 {
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

h1 em, .text-gradient {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.75rem;
  letter-spacing: 0.01em;
}

.section-label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section-lead {
  color: var(--dim);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 680px;
}

.section-header { max-width: 680px; }

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  height: 72px;
  background: rgba(4, 4, 12, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

nav.scrolled {
  background: rgba(4, 4, 12, 0.96);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  transition: opacity 0.2s;
}

.nav-logo:hover { opacity: 0.85; }

.nav-logo img {
  height: 100px;
  width: auto;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 0.25rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--dim);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  padding: 0.5rem 0.9rem;
  border-radius: 4px;
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover { color: var(--white); background: var(--glow); }

.nav-cta {
  background: var(--silver) !important;
  color: var(--bg) !important;
  font-weight: 600;
  margin-left: 0.5rem;
}

.nav-cta:hover {
  background: var(--white) !important;
  color: var(--bg) !important;
}

/* Mobile hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--silver);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(4, 4, 12, 0.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 0;
    gap: 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    padding: 0.75rem 5%;
    width: 100%;
    border-radius: 0;
  }
  .nav-cta {
    margin-left: 0;
    margin-top: 0.5rem;
  }
}

/* ── SECTIONS ── */
section { padding: 96px 5%; }

.hero-section {
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 5% 80px;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 50% 40%, rgba(100, 130, 180, 0.07) 0%, transparent 70%),
    radial-gradient(ellipse 40% 30% at 70% 70%, rgba(80, 100, 150, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.hero-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 70%);
  pointer-events: none;
  opacity: 0.4;
}

.hero-inner { position: relative; z-index: 1; max-width: 860px; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
  padding: 0.4rem 1rem;
  border: 1px solid var(--border-br);
  border-radius: 100px;
  background: rgba(143, 163, 192, 0.06);
}

.hero-eyebrow::before {
  content: '';
  width: 5px; height: 5px;
  background: var(--accent2);
  border-radius: 50%;
  flex-shrink: 0;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--dim);
  max-width: 640px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── BUTTONS ── */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--silver);
  color: var(--bg);
}

.btn-primary:hover {
  background: var(--white);
  box-shadow: 0 4px 20px rgba(200, 205, 214, 0.15);
}

.btn-ghost {
  border: 1px solid var(--border-br);
  color: var(--silver);
  background: transparent;
}

.btn-ghost:hover {
  background: var(--glow);
  border-color: var(--accent);
}

/* ── SECTION ALTERNATING BACKGROUNDS ── */
.section-dark { background: var(--bg); }
.section-dim { background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* ── GRIDS ── */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
}

.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px;
}

@media (max-width: 900px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; gap: 2rem; }
  .grid-auto { grid-template-columns: 1fr; }
}

/* ── BORDERED CARD GRID ── */
.bordered-grid {
  display: grid;
  gap: 1.5px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-top: 3rem;
}

.card {
  background: var(--bg3);
  padding: 2.5rem;
  position: relative;
  transition: background 0.2s;
}

.card:hover { background: rgba(13, 13, 26, 0.95); }

.card::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent2) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s;
}

.card:hover::after { opacity: 1; }

.card-icon {
  width: 44px; height: 44px;
  margin-bottom: 1.5rem;
  color: var(--accent);
}

.card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.75rem;
}

.card p {
  font-size: 0.9rem;
  color: var(--dim);
  line-height: 1.7;
}

.card-badge {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent2);
  padding: 3px 8px;
  border: 1px solid rgba(168, 187, 212, 0.2);
  border-radius: 3px;
}

/* ── HIGHLIGHT BOX ── */
.highlight-box {
  border: 1px solid var(--border-br);
  border-radius: 8px;
  padding: 2.5rem;
  background: var(--bg3);
  position: relative;
  overflow: hidden;
}

.highlight-box::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(143, 163, 192, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.highlight-tag {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.highlight-tag::before {
  content: '';
  width: 16px;
  height: 1px;
  background: var(--accent2);
  opacity: 0.5;
}

.highlight-box h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.highlight-box p {
  font-size: 0.9rem;
  color: var(--dim);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--silver);
}

.feature-item::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent2);
  flex-shrink: 0;
}

/* ── ENUMERATED LIST ── */
.enum-list { display: flex; flex-direction: column; }

.enum-item {
  display: flex;
  gap: 1.25rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border);
}

.enum-item:first-child { border-top: 1px solid var(--border); }

.enum-num {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
  opacity: 0.6;
  min-width: 28px;
  padding-top: 3px;
}

.enum-content h3 {
  font-size: 0.975rem;
  margin-bottom: 0.4rem;
}

.enum-content p {
  font-size: 0.875rem;
  color: var(--dim);
  line-height: 1.65;
}

/* ── TIER CARDS ── */
.tier-card {
  background: var(--bg3);
  padding: 2.5rem 2rem;
  text-align: center;
}

.tier-icon {
  width: 48px; height: 48px;
  margin: 0 auto 1rem;
  color: var(--accent);
}

.tier-card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.tier-card p {
  font-size: 0.85rem;
  color: var(--dim);
  line-height: 1.6;
}

/* ── CONTACT FORM ── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dim);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg3);
  border: 1px solid var(--border-br);
  border-radius: 4px;
  padding: 0.75rem 1rem;
  color: var(--silver);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--dim);
  opacity: 0.6;
}

.form-group select option { background: #0d0d1a; }

.form-group textarea { resize: vertical; min-height: 130px; }

.form-submit {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.form-note {
  font-size: 0.75rem;
  color: var(--dim);
}

#form-status {
  display: none;
  padding: 0.875rem 1rem;
  border-radius: 4px;
  font-size: 0.875rem;
  text-align: center;
}

#form-status.success {
  display: block;
  background: rgba(100, 180, 130, 0.1);
  border: 1px solid rgba(100, 180, 130, 0.3);
  color: #80c8a0;
}

#form-status.error {
  display: block;
  background: rgba(200, 80, 80, 0.1);
  border: 1px solid rgba(200, 80, 80, 0.3);
  color: #d08080;
}

/* ── PRODUCT FEATURES ── */
.product-block {
  padding: 80px 5%;
}

.product-block:nth-child(even) { background: var(--bg2); }

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: var(--max-w);
  margin: 0 auto;
  align-items: center;
}

.product-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.product-feature {
  padding: 1.25rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: border-color 0.2s;
}

.product-feature:hover { border-color: var(--border-br); }

.product-feature h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.4rem;
}

.product-feature p {
  font-size: 0.8rem;
  color: var(--dim);
  line-height: 1.5;
}

@media (max-width: 900px) {
  .product-grid { grid-template-columns: 1fr; gap: 2rem; }
  .product-features { grid-template-columns: 1fr; }
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.footer-brand img { height: 28px; width: auto; }
.footer-name { font-size: 0.85rem; font-weight: 600; color: var(--silver); }
.footer-copy { font-size: 0.775rem; color: var(--dim); }

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.775rem;
  color: var(--dim);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--silver); }

/* ── PAGE HEADER ── */
.page-header {
  padding: 120px 5% 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 70%);
  pointer-events: none;
  opacity: 0.3;
}

.page-header-inner { position: relative; z-index: 1; max-width: 700px; margin: 0 auto; }

.page-content {
  padding: 0 5% 80px;
}

.page-content-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  section, .product-block { padding: 64px 5%; }
  .page-header { padding: 100px 5% 40px; }
  .hero-section { padding: 100px 5% 60px; }
  .form-row { grid-template-columns: 1fr; }
}

/* ── FADE-IN / INTERSECTION OBSERVER ── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}