/* ═══════════════════════════════════════════════
   Yellow Cat Systems — Main Stylesheet
   yellowcatsystems.com
   ═══════════════════════════════════════════════ */

:root {
  --gold:          #FFC107;
  --gold-dark:     #E6AC00;
  --gold-dim:      rgba(255, 193, 7, 0.10);
  --gold-border:   rgba(255, 193, 7, 0.22);
  --black:         #0D0D0F;
  --surface:       #141618;
  --surface-2:     #1C1F23;
  --surface-3:     #252830;
  --border:        rgba(255, 255, 255, 0.07);
  --border-hover:  rgba(255, 255, 255, 0.14);
  --text:          #F2F2F2;
  --text-muted:    rgba(242, 242, 242, 0.58);
  --text-subtle:   rgba(242, 242, 242, 0.32);
  --font-heading:  'Exo 2', sans-serif;
  --font-body:     'Inter', sans-serif;
  --max-w:         1200px;
  --r:             8px;
  --r-lg:          12px;
  --ease:          0.2s ease;
}

/* ─── RESET ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ─── ACCESSIBILITY ─── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--gold);
  color: var(--black);
  padding: 0.5rem 1.1rem;
  border-radius: var(--r);
  font-weight: 700;
  font-size: 14px;
  z-index: 9999;
  transition: top 0.2s;
}
.skip-link:focus { top: 1rem; }

/* Focus ring for keyboard nav */
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ─── LAYOUT ─── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.gold { color: var(--gold); }

.logo-icon img {
  height: 42px;
  width: auto;
  object-fit: contain;
  display: block;
}

.nav-logo-img {
  height: 64px;
  width: auto;
  object-fit: contain;
  display: block;
  mix-blend-mode: screen;
}

.footer-logo-img {
  width: 460px;
  height: auto;
  object-fit: contain;
  display: block;
  mix-blend-mode: screen;
  margin-bottom: 0.5rem;
}

/* ─── NAVIGATION ─── */
.nav-wrapper {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(13, 13, 15, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  height: 80px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  gap: 1rem;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  margin-right: auto;
}
.logo-icon { flex-shrink: 0; }
.logo-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.logo-wordmark {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 0.07em;
  color: var(--text);
  line-height: 1;
}
.logo-wordmark em {
  font-style: normal;
  color: var(--gold);
}
.logo-sub {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 9.5px;
  letter-spacing: 0.28em;
  color: var(--text-subtle);
  text-transform: uppercase;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.5rem 0.95rem;
  border-radius: var(--r);
  transition: color var(--ease), background var(--ease);
}
.nav-link:hover,
.nav-link.active { color: var(--text); background: var(--surface-2); }
.nav-cta {
  font-size: 15px;
  font-weight: 700;
  color: var(--black);
  background: var(--gold);
  padding: 0.55rem 1.35rem;
  border-radius: var(--r);
  margin-left: 0.5rem;
  transition: background var(--ease), transform var(--ease);
}
.nav-cta:hover { background: var(--gold-dark); transform: translateY(-1px); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
  border-radius: var(--r);
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.28s ease, opacity 0.2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.62rem 1.5rem;
  border-radius: var(--r);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--ease);
  white-space: nowrap;
  text-decoration: none;
}
.btn-primary {
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
}
.btn-primary:hover { background: var(--gold-dark); border-color: var(--gold-dark); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border-hover);
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: var(--border-hover); }
.btn-lg { padding: 0.82rem 2rem; font-size: 16px; }

/* ─── TECH MARQUEE ─── */
.tech-marquee-section {
  padding: 1.75rem 0;
  background: var(--black);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.marquee-header {
  text-align: center;
  margin-bottom: 1.25rem;
}
.marquee-label {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-subtle);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.marquee-outer {
  position: relative;
  overflow: hidden;
}
.marquee-fade-left,
.marquee-fade-right {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}
.marquee-fade-left  { left: 0;  background: linear-gradient(to right, var(--black), transparent); }
.marquee-fade-right { right: 0; background: linear-gradient(to left,  var(--black), transparent); }
.marquee-track-wrap { overflow: hidden; }
.marquee-track {
  display: flex;
  gap: 0.75rem;
  width: max-content;
  animation: marquee-scroll 28s linear infinite;
}
.marquee-track:hover { animation-play-state: paused; }
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.tech-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0.55rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  white-space: nowrap;
  transition: border-color 0.2s, background 0.2s;
  flex-shrink: 0;
}
.tech-chip:hover {
  border-color: var(--gold-border);
  background: var(--surface-2);
}
.tech-chip span {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}
.tech-chip-icon {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  flex-shrink: 0;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}
/* Brand colors as colored dots since we don't have SVG assets */
.tech-chip-icon.ms365      { background-color: #D83B01; border-radius: 4px; }
.tech-chip-icon.teams      { background-color: #464EB8; border-radius: 4px; }
.tech-chip-icon.google     { background: linear-gradient(135deg, #4285F4 0%, #34A853 50%, #FBBC05 75%, #EA4335 100%); border-radius: 4px; }
.tech-chip-icon.azure      { background-color: #0078D4; border-radius: 4px; }
.tech-chip-icon.ubiquiti   { background-color: #0059C6; border-radius: 50%; }
.tech-chip-icon.cloudflare { background-color: #F6821F; border-radius: 4px; }
.tech-chip-icon.tcx        { background-color: #00A0E3; border-radius: 4px; }
.tech-chip-icon.vmware     { background-color: #607078; border-radius: 4px; }
.tech-chip-icon.qb         { background-color: #2CA01C; border-radius: 4px; }
.tech-chip-icon.sentinel   { background-color: #7B2FBE; border-radius: 4px; }
.tech-chip-icon.malware    { background-color: #0075FF; border-radius: 4px; }
.tech-chip-icon.crowdstrike{ background-color: #E1000F; border-radius: 4px; }
.tech-chip-icon.acronis    { background-color: #E2231A; border-radius: 4px; }
.tech-chip-icon.veeam      { background-color: #00B336; border-radius: 4px; }
.tech-chip-icon.windows    { background-color: #0078D4; border-radius: 4px; }
.tech-chip-icon.synology   { background-color: #B5B5B5; border-radius: 4px; }
.tech-chip-icon.qnap       { background-color: #00ADEF; border-radius: 4px; }
.tech-chip-icon.dell       { background-color: #007DB8; border-radius: 4px; }
.tech-chip-icon.lenovo     { background-color: #E2231A; border-radius: 50%; }
.tech-chip-icon.hp         { background-color: #0096D6; border-radius: 50%; }

/* ─── CHALLENGE BG & SELECT ─── */
.section-challenge-bg {
  position: relative;
  overflow: hidden;
}
.section-challenge-bg::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 40%;
  background-image: url('../images/YC_Robot.png');
  background-size: cover;
  background-position: center left;
  opacity: 0.10;
  z-index: 0;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 50%);
  mask-image: linear-gradient(to right, transparent 0%, black 50%);
}
.section-challenge-bg > .container { position: relative; z-index: 1; }

.challenge-select-wrap { margin: 0.5rem 0 0.75rem; }
.challenge-select {
  width: 100%;
  background: var(--surface-3);
  border: 1px solid var(--gold-border);
  border-radius: var(--r);
  color: var(--text);
  font-size: 14px;
  font-family: var(--font-body);
  padding: 0.65rem 0.9rem;
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23FFC107' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
  transition: border-color 0.2s;
}
.challenge-select:focus { border-color: var(--gold); }
.challenge-select option,
.challenge-select optgroup { background: #1C1F23; color: var(--text); }

/* How It Works circuit override */
#how-it-works { position: relative; overflow: hidden; }
#how-it-works > .container { position: relative; z-index: 1; }

/* ─── CHALLENGE SELECTOR ─── */
.challenge-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  max-width: 900px;
  margin: 0 auto;
}
.challenge-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 2rem;
  cursor: pointer;
  position: relative;
  transition: border-color 0.2s, transform 0.2s, background 0.2s;
  overflow: hidden;
}
.challenge-card::before {
  content: '';
  position: absolute;
  bottom: 10px;
  right: 10px;
  width: 10px;
  height: 10px;
  border-bottom: 1.5px solid var(--gold-border);
  border-right: 1.5px solid var(--gold-border);
  opacity: 0.4;
  transition: opacity 0.2s, border-color 0.2s;
}
.challenge-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gold);
  opacity: 0;
  transition: opacity 0.2s;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
}
.challenge-card:hover,
.challenge-card.active {
  border-color: var(--gold-border);
  background: var(--surface-3);
  transform: translateY(-3px);
}
.challenge-card:hover::before,
.challenge-card.active::before { opacity: 1; border-color: var(--gold); }
.challenge-card:hover::after,
.challenge-card.active::after  { opacity: 1; }
.challenge-icon {
  width: 52px;
  height: 52px;
  background: var(--gold-dim);
  border: 1px solid var(--gold-border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.challenge-title {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.65rem;
  line-height: 1.3;
}
.challenge-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}
.challenge-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.02em;
}

/* ─── STATS STRIP ─── */
.stats-strip {
  padding: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.stats-strip::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,193,7,0.07) 1px, transparent 1px);
  background-size: 22px 22px;
  pointer-events: none;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  position: relative;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2.5rem 1rem;
  border-right: 1px solid var(--border);
  position: relative;
}
.stat-item:last-child { border-right: none; }
.stat-item::before,
.stat-item::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  opacity: 0.4;
  transition: opacity var(--ease);
}
.stat-item::before {
  top: 8px;
  left: 8px;
  border-top: 1.5px solid var(--gold);
  border-left: 1.5px solid var(--gold);
}
.stat-item::after {
  bottom: 8px;
  right: 8px;
  border-bottom: 1.5px solid var(--gold);
  border-right: 1.5px solid var(--gold);
}
.stat-item:hover::before,
.stat-item:hover::after { opacity: 1; }
.stat-num {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 0.6rem;
  letter-spacing: -0.02em;
}
.stat-unit {
  font-size: 1.6rem;
  font-weight: 700;
  vertical-align: super;
}
.stat-label {
  font-size: 11px;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
  line-height: 1.5;
  max-width: 130px;
}

/* ─── SECTION ALT DOT GRID ─── */

.section { padding: 5.5rem 0; }
.section-alt {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.section-alt::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,193,7,0.045) 1px, transparent 1px);
  background-size: 26px 26px;
  pointer-events: none;
}
.section-alt > .container { position: relative; z-index: 1; }
.section-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 3.5rem;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  padding: 0.28rem 0.85rem;
  background: var(--gold-dim);
  border: 1px solid var(--gold-border);
  border-radius: 20px;
  margin-bottom: 1rem;
}
.section-tag::before,
.section-tag::after {
  content: '';
  display: block;
  width: 18px;
  height: 1px;
  background: var(--gold);
  opacity: 0.5;
  flex-shrink: 0;
}
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.85rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.18;
  margin-bottom: 1rem;
}
.section-desc {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.72;
}

/* ─── HERO ─── */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 6rem 0 4rem;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='64' height='64' viewBox='0 0 64 64' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none'%3E%3Cpath d='M40 0v8M40 8h8M0 40h8M8 40v8' stroke='%23FFC107' stroke-width='0.5' stroke-opacity='0.07'/%3E%3Ccircle cx='40' cy='8' r='1.5' fill='%23FFC107' fill-opacity='0.07'/%3E%3Ccircle cx='8' cy='40' r='1.5' fill='%23FFC107' fill-opacity='0.07'/%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.hero-glow {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to right, var(--black) 35%, transparent 65%);
  z-index: 2;
  pointer-events: none;
}
.hero-image {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 70%;
  background-image: url('../images/YC_Prowl.png');
  background-size: cover;
  background-position: center right;
  z-index: 1;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, rgba(0,0,0,0.3) 20%, black 50%);
  mask-image: linear-gradient(to right, transparent 0%, rgba(0,0,0,0.3) 20%, black 50%);
}
.hero .container { position: relative; z-index: 3; }
.hero-content { max-width: 660px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.35rem 0.9rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  margin-bottom: 1.75rem;
}
.badge-dot {
  width: 7px;
  height: 7px;
  background: var(--gold);
  border-radius: 50%;
  flex-shrink: 0;
  animation: pulse 2.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.6rem, 6.5vw, 4.75rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 1.5rem;
}
.hero-subtitle {
  font-size: clamp(16px, 2vw, 18.5px);
  color: var(--text-muted);
  line-height: 1.72;
  max-width: 540px;
  margin-bottom: 2.5rem;
}
.hero-actions {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-bottom: 2.75rem;
}
.hero-meta {
  display: flex;
  gap: 1.75rem;
  flex-wrap: wrap;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
}
.hero-meta span {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13.5px;
  color: var(--text-subtle);
}
.hero-meta a { color: var(--text-subtle); transition: color var(--ease); }
.hero-meta a:hover { color: var(--gold); }
.hero-meta svg { flex-shrink: 0; }

/* ─── SERVICES ─── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(265px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}
.service-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.75rem;
  overflow: hidden;
  transition: border-color var(--ease), transform var(--ease), background var(--ease);
}
.service-card::before {
  content: '';
  position: absolute;
  top: 10px;
  right: 10px;
  width: 12px;
  height: 12px;
  border-top: 1.5px solid var(--gold-border);
  border-right: 1.5px solid var(--gold-border);
  transition: border-color var(--ease), opacity var(--ease);
  opacity: 0.5;
}
.service-card::after {
  content: '';
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  background: var(--gold);
  border-radius: 0 3px 3px 0;
  opacity: 0;
  transform: scaleY(0.4);
  transition: opacity var(--ease), transform var(--ease);
}
.service-card:hover {
  border-color: var(--gold-border);
  background: var(--surface-2);
  transform: translateY(-3px);
}
.service-card:hover::before {
  border-color: var(--gold);
  opacity: 1;
}
.service-card:hover::after {
  opacity: 1;
  transform: scaleY(1);
}
.service-icon {
  width: 50px;
  height: 50px;
  background: var(--gold-dim);
  border: 1px solid var(--gold-border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
  flex-shrink: 0;
}
.service-name {
  font-family: var(--font-heading);
  font-size: 16.5px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}
.service-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}
.services-also {
  text-align: center;
  padding: 1rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  font-size: 14px;
  color: var(--text-muted);
}

/* ─── WHY US ─── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(258px, 1fr));
  gap: 1.25rem;
}
.why-card {
  padding: 2rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  position: relative;
  transition: border-color var(--ease), transform var(--ease);
}
.why-card::before {
  content: '';
  position: absolute;
  bottom: 10px;
  right: 10px;
  width: 12px;
  height: 12px;
  border-bottom: 1.5px solid var(--gold-border);
  border-right: 1.5px solid var(--gold-border);
  opacity: 0.4;
  transition: border-color var(--ease), opacity var(--ease);
}
.why-card:hover { border-color: var(--gold-border); transform: translateY(-2px); }
.why-card:hover::before { border-color: var(--gold); opacity: 1; }
.why-num {
  font-family: var(--font-heading);
  font-size: 46px;
  font-weight: 800;
  color: var(--gold);
  opacity: 0.18;
  line-height: 1;
  margin-bottom: 1.1rem;
  user-select: none;
}
.why-title {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.7rem;
  line-height: 1.3;
}
.why-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ─── WHO WE SERVE ─── */
.serve-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.serve-card {
  text-align: center;
  padding: 2.25rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  position: relative;
  transition: border-color var(--ease), transform var(--ease);
}
.serve-card::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 10px;
  width: 12px;
  height: 12px;
  border-top: 1.5px solid var(--gold-border);
  border-left: 1.5px solid var(--gold-border);
  opacity: 0.4;
  transition: border-color var(--ease), opacity var(--ease);
}
.serve-card:hover { border-color: var(--gold-border); transform: translateY(-3px); }
.serve-card:hover::before { border-color: var(--gold); opacity: 1; }
.serve-icon {
  width: 58px;
  height: 58px;
  background: var(--gold-dim);
  border: 1px solid var(--gold-border);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}
.serve-title {
  font-family: var(--font-heading);
  font-size: 16.5px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.serve-desc { font-size: 14px; color: var(--text-muted); line-height: 1.65; }

/* ─── SECTION IMAGE BACKGROUNDS ─── */
.section-server-bg {
  position: relative;
  overflow: hidden;
}
.section-server-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/YC_Server.png');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
  z-index: 0;
  pointer-events: none;
}
.section-server-bg > .container { position: relative; z-index: 1; }

.section-launch-bg {
  position: relative;
  overflow: hidden;
}
.section-launch-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/YC_Launch4.png');
  background-size: cover;
  background-position: right center;
  opacity: 0.22;
  z-index: 0;
  pointer-events: none;
}
.section-launch-bg > .container { position: relative; z-index: 1; }

.section-circuit-bg {
  position: relative;
  overflow: hidden;
}
.section-circuit-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/YC_Circuit.png');
  background-size: cover;
  background-position: center;
  opacity: 0.07;
  z-index: 0;
  pointer-events: none;
}
.section-circuit-bg > .container { position: relative; z-index: 1; }

.section-robot-img {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 48%;
  background-image: url('../images/YC_Robot.png');
  background-size: cover;
  background-position: center left;
  opacity: 0.18;
  z-index: 0;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 40%);
  mask-image: linear-gradient(to right, transparent 0%, black 40%);
}

/* Fix: section with robot image needs relative positioning */
#how-it-works {
  position: relative;
  overflow: hidden;
}
#how-it-works > .container { position: relative; z-index: 1; }

/* ─── CTA BAND ─── */
.cta-band {
  padding: 4.5rem 0;
  position: relative;
  overflow: hidden;
  background: var(--surface);
  border-top: 1px solid var(--gold-border);
  border-bottom: 1px solid var(--border);
}
.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 55% 80% at 15% 50%, rgba(255,193,7,0.07) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.cta-band::after { display: none; }
.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.cta-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.cta-desc { font-size: 16px; color: var(--text-muted); max-width: 480px; line-height: 1.65; }
.cta-actions { display: flex; gap: 1rem; flex-wrap: wrap; flex-shrink: 0; }

/* ─── CONTACT ─── */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.65fr;
  gap: 4.5rem;
  align-items: start;
}
.contact-blurb {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.72;
  margin: 1.25rem 0 2rem;
}
.contact-details { display: flex; flex-direction: column; gap: 1rem; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 15px;
  color: var(--text-muted);
}
.contact-item a { color: var(--text-muted); transition: color var(--ease); }
.contact-item a:hover { color: var(--gold); }

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 2rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}
.form-group { margin-bottom: 1rem; }
.form-row .form-group { margin-bottom: 0; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.45rem;
}
.req { color: var(--gold); }
.form-control {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  color: var(--text);
  font-size: 15px;
  padding: 0.65rem 0.9rem;
  transition: border-color var(--ease), background var(--ease);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.form-control::placeholder { color: var(--text-subtle); }
.form-control:focus {
  border-color: rgba(255,193,7,0.4);
  background: var(--surface-3);
}
.form-control.invalid { border-color: rgba(239,68,68,0.55); }
select.form-control { cursor: pointer; }
select.form-control option { background: var(--surface-2); }
.form-textarea { resize: vertical; min-height: 115px; line-height: 1.6; }
.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.form-privacy {
  font-size: 12px;
  color: var(--text-subtle);
  line-height: 1.55;
  max-width: 210px;
}
.form-privacy a { color: var(--text-subtle); text-decoration: underline; text-underline-offset: 2px; }
.form-privacy a:hover { color: var(--gold); }
.form-status {
  display: none;
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--r);
  font-size: 14px;
  line-height: 1.5;
}
.form-status.success {
  display: block;
  background: rgba(34,197,94,0.08);
  border: 1px solid rgba(34,197,94,0.22);
  color: #4ade80;
}
.form-status.error {
  display: block;
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.22);
  color: #f87171;
}

/* ─── PROCESS / HOW IT WORKS ─── */
.process-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: start;
  margin-bottom: 2rem;
}
.process-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 2rem 1.75rem;
  position: relative;
  transition: border-color var(--ease), transform var(--ease);
}
.process-card::before {
  content: '';
  position: absolute;
  top: 10px;
  right: 10px;
  width: 10px;
  height: 10px;
  border-top: 1.5px solid var(--gold-border);
  border-right: 1.5px solid var(--gold-border);
  opacity: 0.4;
  transition: opacity var(--ease), border-color var(--ease);
}
.process-card:hover { border-color: var(--gold-border); transform: translateY(-2px); }
.process-card:hover::before { opacity: 1; border-color: var(--gold); }
.process-connector {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-border), var(--gold-border));
  align-self: center;
  position: relative;
  flex-shrink: 0;
}
.process-connector::before,
.process-connector::after {
  content: '';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.5;
}
.process-connector::before { left: -3px; }
.process-connector::after { right: -3px; }
.process-num {
  font-family: var(--font-heading);
  font-size: 42px;
  font-weight: 800;
  color: var(--gold);
  opacity: 0.15;
  line-height: 1;
  margin-bottom: 0.75rem;
  user-select: none;
}
.process-icon {
  width: 46px;
  height: 46px;
  background: var(--gold-dim);
  border: 1px solid var(--gold-border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.process-title {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.6rem;
  line-height: 1.3;
}
.process-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}
.process-note {
  text-align: center;
  font-size: 14px;
  color: var(--text-subtle);
  padding: 1rem 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold-border);
  border-radius: var(--r);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.65;
}

/* ─── FAQ ACCORDION ─── */
.faq-accordion {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.faq-acc-item {
  border-bottom: 1px solid var(--border);
}
.faq-acc-item:last-child { border-bottom: none; }
.faq-acc-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.35rem 1.75rem;
  background: var(--surface);
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background var(--ease);
}
.faq-acc-btn:hover { background: var(--surface-2); }
.faq-acc-btn[aria-expanded="true"] { background: var(--surface-2); }
.faq-acc-btn span {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}
.faq-acc-btn[aria-expanded="true"] span { color: var(--gold); }
.faq-chevron {
  flex-shrink: 0;
  transition: transform 0.3s ease;
}
.faq-acc-btn[aria-expanded="true"] .faq-chevron { transform: rotate(180deg); }
.faq-acc-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
  background: var(--surface-2);
}
.faq-acc-body.open { grid-template-rows: 1fr; }
.faq-acc-body > p {
  overflow: hidden;
  padding: 0 1.75rem;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.75;
  margin: 0;
}
.faq-acc-body.open > p { padding: 0.25rem 1.75rem 1.5rem; }

/* ─── FOOTER ─── */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 4.5rem 0 2rem;
}
.footer-top {
  display: flex;
  gap: 3rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}
.footer-brand { max-width: 300px; }
.footer-tagline {
  font-size: 14px;
  color: var(--text-subtle);
  line-height: 1.65;
  margin: 1.4rem 0 0.8rem;
}
.footer-location {
  font-size: 13px;
  color: var(--text-subtle);
}
.footer-location a { color: var(--text-subtle); transition: color var(--ease); }
.footer-location a:hover { color: var(--gold); }
.footer-links {
  display: flex;
  gap: 3rem;
  flex: 1;
  justify-content: flex-end;
  flex-wrap: wrap;
}
.footer-col-label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-subtle);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.65rem; }
.footer-col a {
  font-size: 14px;
  color: var(--text-muted);
  transition: color var(--ease);
}
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-subtle);
  gap: 1rem;
  flex-wrap: wrap;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  .contact-wrap { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-bottom: 1px solid var(--border); }
  .stat-item:nth-child(odd) { border-right: 1px solid var(--border); }
  .stat-item:last-child, .stat-item:nth-last-child(2):nth-child(odd) { border-bottom: none; }

  .challenge-grid { grid-template-columns: 1fr; }
  .process-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .process-connector {
    width: 2px;
    height: 30px;
    margin: 0 auto;
    background: linear-gradient(180deg, var(--gold-border), var(--gold-border));
  }
  .process-connector::before { left: 50%; top: -3px; transform: translateX(-50%); }
  .process-connector::after { left: 50%; bottom: -3px; top: auto; transform: translateX(-50%); }

  .nav-wrapper { position: relative; }
  .nav-toggle { display: flex; }
  .nav-menu {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(13,13,15,0.98);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 0.75rem;
    gap: 3px;
    align-items: stretch;
    z-index: 199;
  }
  .nav-menu.open { display: flex; }
  .nav-link, .nav-cta {
    display: block;
    text-align: center;
    padding: 0.75rem 1rem;
    margin: 0;
  }
  .nav-cta { border-radius: var(--r); }

  .hero { min-height: unset; padding: 4rem 0 3rem; }
  .hero-image { display: none; }
  .hero-glow { background: none; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; }

  .services-grid,
  .why-grid,
  .serve-grid { grid-template-columns: 1fr; }

  .cta-inner { flex-direction: column; text-align: center; }
  .cta-actions { justify-content: center; width: 100%; }
  .cta-actions .btn { flex: 1; }

  .form-row { grid-template-columns: 1fr; }
  .form-footer { flex-direction: column; align-items: stretch; }
  .form-privacy { max-width: 100%; }
  .form-footer .btn { width: 100%; }

  .footer-top { flex-direction: column; }
  .footer-brand { max-width: 100%; }
  .footer-links { justify-content: flex-start; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .section { padding: 3.5rem 0; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-num { font-size: 2.4rem; }
  .hero-title { font-size: 2.4rem; }
  .hero-meta { flex-direction: column; gap: 0.75rem; }
  .footer-links { gap: 1.75rem; }
}