/* ===== DESIGN TOKENS ===== */
:root {
  --bg:          #1a1a1a;
  --bg-alt:      #141414;
  --card:        #2d2d2d;
  --card-hover:  #353535;
  --card-border: rgba(255,255,255,0.07);
  --accent:      #a78bfa;
  --accent-dim:  rgba(167,139,250,0.12);
  --accent-glow: rgba(167,139,250,0.25);
  --text:        #ffffff;
  --text-muted:  rgba(255,255,255,0.52);
  --text-sub:    rgba(255,255,255,0.32);
  --radius:      16px;
  --radius-sm:   10px;
  --radius-xs:   6px;
  --nav-h:       145px;
  --transition:  .22s ease;
}

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

/* ===== NAV ===== */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 200;
  height: var(--nav-h);
  background: rgba(26,26,26,0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--card-border);
  transition: background var(--transition), box-shadow var(--transition);
}
.nav.scrolled {
  background: rgba(20,20,20,0.98);
  box-shadow: 0 1px 32px rgba(0,0,0,0.5);
}
.nav__inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 28px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -.01em;
  flex-shrink: 0;
}
.nav__logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  overflow: hidden;
  flex-shrink: 0;
}
.nav__logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav__links a {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition), background var(--transition);
}
.nav__links a:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.nav__links a.active { color: var(--accent); background: var(--accent-dim); }
.nav__cta {
  background: var(--accent);
  color: #1a1a1a !important;
  font-weight: 700 !important;
  padding: 9px 20px !important;
  border-radius: 8px !important;
  font-size: 0.875rem !important;
  transition: opacity var(--transition), transform var(--transition) !important;
  background: var(--accent) !important;
}
.nav__cta:hover { opacity: 0.9; transform: translateY(-1px); background: var(--accent) !important; }
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
}
.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all .3s;
}

/* Mobile nav */
@media (max-width: 720px) {
  .nav__links {
    position: fixed;
    top: var(--nav-h);
    inset-inline: 0;
    background: #1e1e1e;
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--card-border);
    transform: translateY(-110%);
    opacity: 0;
    transition: transform .3s ease, opacity .3s ease;
    pointer-events: none;
    z-index: 199;
  }
  .nav__links.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav__links a { padding: 12px 16px; font-size: 1rem; }
  .nav__burger { display: flex; }
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.925rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn--accent {
  background: var(--accent);
  color: #1a1a1a;
}
.btn--accent:hover { opacity: 0.88; transform: translateY(-1px); box-shadow: 0 6px 24px var(--accent-glow); }
.btn--outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--card-border);
}
.btn--outline:hover { border-color: rgba(255,255,255,0.2); background: rgba(255,255,255,0.04); }
.btn--full { width: 100%; justify-content: center; }
.btn--sm { padding: 9px 18px; font-size: 0.85rem; }

/* ===== LAYOUT HELPERS ===== */
.container { max-width: 1160px; margin: 0 auto; padding: 0 28px; }
.section { padding: 96px 0; }
.section--alt { background: var(--bg-alt); }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-label::before {
  content: '';
  display: block;
  width: 16px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}
.section-title {
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.15;
  margin-bottom: 18px;
}
.section-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.75;
}
.section-header { margin-bottom: 56px; }
.section-header--center { text-align: center; }
.section-header--center .section-label { justify-content: center; }
.section-header--center .section-sub { margin: 0 auto; }

/* ===== HERO (index) ===== */
.hero {
  min-height: 100vh;
  padding: calc(var(--nav-h) + 60px) 28px 80px;
  max-width: 1160px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-dim);
  border: 1px solid rgba(167,139,250,0.2);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 24px;
}
.hero__title {
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1.08;
  margin-bottom: 22px;
}
.hero__title .accent { color: var(--accent); }
.hero__desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 480px;
  line-height: 1.75;
  margin-bottom: 40px;
}
.hero__ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero__visual svg {
  width: 100%;
  max-width: 540px;
  height: auto;
  filter: drop-shadow(0 24px 80px rgba(167,139,250,0.08));
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-bottom: 60px;
    text-align: center;
  }
  .hero__desc { margin: 0 auto 40px; }
  .hero__ctas { justify-content: center; }
  .hero__visual { order: -1; }
  .hero__visual svg { max-width: 360px; }
}

/* ===== PAGE HERO ===== */
.page-hero {
  padding: calc(var(--nav-h) + 72px) 28px 72px;
  max-width: 1160px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 48px;
}
.page-hero__visual svg { width: 260px; height: auto; opacity: 0.9; }
@media (max-width: 700px) {
  .page-hero { grid-template-columns: 1fr; }
  .page-hero__visual { display: none; }
}

/* ===== SERVICE CARDS ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (max-width: 720px) { .services-grid { grid-template-columns: 1fr; } }

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .why-grid { grid-template-columns: 1fr; } }

.service-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-dim) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.service-card:hover { border-color: rgba(167,139,250,0.25); transform: translateY(-3px); box-shadow: 0 16px 48px rgba(0,0,0,0.3); }
.service-card:hover::before { opacity: 1; }
.service-card--full { grid-column: 1 / -1; }
@media (max-width: 720px) { .service-card--full { grid-column: 1; } }

.service-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--accent-dim);
  border: 1px solid rgba(167,139,250,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}
.service-card__icon svg { width: 26px; height: 26px; color: var(--accent); }
.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -.01em;
}
.service-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}
.service-card__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--card-border);
  border-radius: 50px;
  font-size: 0.78rem;
  color: var(--text-sub);
  font-weight: 500;
}

/* ===== FEATURE ROWS ===== */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 60px 0;
  border-top: 1px solid var(--card-border);
}
.feature-row:first-child { border-top: none; }
.feature-row--reverse .feature-row__visual { order: -1; }
@media (max-width: 820px) {
  .feature-row { grid-template-columns: 1fr; gap: 36px; }
  .feature-row--reverse .feature-row__visual { order: 0; }
}
.feature-row__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.feature-row__visual svg {
  width: 100%;
  max-width: 420px;
  height: auto;
}
.feature-row__content .section-label { margin-bottom: 14px; }
.feature-row__content h2 {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -.03em;
  margin-bottom: 16px;
}
.feature-row__content p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 28px;
}
.feature-list { display: flex; flex-direction: column; gap: 12px; }
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.feature-list li::before {
  content: '';
  display: block;
  width: 18px;
  height: 18px;
  min-width: 18px;
  margin-top: 1px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Ccircle cx='9' cy='9' r='9' fill='%23a3e63520'/%3E%3Cpath d='M5 9l3 3 5-5' stroke='%23a3e635' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/cover;
}

/* ===== CTA BANNER ===== */
.cta-banner {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 56px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  position: relative;
  overflow: hidden;
}
.cta-banner::after {
  content: '';
  position: absolute;
  right: -60px;
  top: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}
.cta-banner__text h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 10px;
}
.cta-banner__text p { font-size: 0.95rem; color: var(--text-muted); max-width: 480px; }
@media (max-width: 700px) {
  .cta-banner { flex-direction: column; padding: 36px 28px; text-align: center; }
  .cta-banner::after { display: none; }
}

/* ===== PROCESS STEPS ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 880px) { .process-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 480px) { .process-grid { grid-template-columns: 1fr; } }

.process-step {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
}
.process-step__num {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--accent-dim);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -.04em;
}
.process-step__num span { color: var(--accent); }
.process-step h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.process-step p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.65; }

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-info-cards { display: flex; flex-direction: column; gap: 14px; }
.contact-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  display: flex;
  gap: 16px;
  align-items: center;
  transition: border-color var(--transition);
}
a.contact-card:hover { border-color: rgba(167,139,250,0.3); }
.contact-card__icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: 10px;
  background: var(--accent-dim);
  border: 1px solid rgba(167,139,250,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-card__icon svg { width: 20px; height: 20px; color: var(--accent); }
.contact-card__label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-sub);
  margin-bottom: 3px;
}
.contact-card__value { font-size: 0.95rem; font-weight: 500; }

/* ===== FORM ===== */
.contact-form {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 540px) { .form-row { grid-template-columns: 1fr; } }

.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: .02em;
}
.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.04);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius-xs);
  padding: 12px 14px;
  font-family: inherit;
  font-size: 0.925rem;
  color: var(--text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-sub); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: rgba(167,139,250,0.5);
  box-shadow: 0 0 0 3px rgba(167,139,250,0.08);
}
.form-group input.error,
.form-group textarea.error { border-color: #f87171; }
.form-group select { appearance: none; cursor: pointer; background-color: #2d2d2d; }
.form-group select option { background: #2d2d2d; color: #ffffff; }
.form-group textarea { resize: vertical; min-height: 110px; }

.form-success {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(167,139,250,0.1);
  border: 1.5px solid rgba(167,139,250,0.3);
  border-radius: var(--radius-xs);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  animation: fadeUp .3s ease;
}
@keyframes fadeUp { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:translateY(0); } }

/* ===== FOOTER ===== */
.footer {
  background: #111;
  border-top: 1px solid var(--card-border);
  padding: 60px 0 0;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--card-border);
}
@media (max-width: 860px) { .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 480px) { .footer__grid { grid-template-columns: 1fr; } }

.footer__brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 14px;
  max-width: 280px;
}
.footer__brand .nav__logo { margin-bottom: 0; }

.footer__col h4 {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-sub);
  margin-bottom: 16px;
}
.footer__col a,
.footer__col span {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  transition: color var(--transition);
}
.footer__col a:hover { color: var(--accent); }

.footer__bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--text-sub);
  flex-wrap: wrap;
}
.footer__bottom a { color: var(--text-sub); transition: color var(--transition); }
.footer__bottom a:hover { color: var(--accent); }

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .55s ease, transform .55s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }