/* ─── RESET & VARIABLES ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg:        #08080f;
  --bg2:       #0d0d1a;
  --bg3:       #121222;
  --accent:    #5b48f5;
  --accent2:   #8b5cf6;
  --cyan:      #22d3ee;
  --text:      #f0f0ff;
  --muted:     #8888aa;
  --border:    rgba(255,255,255,0.07);
  --card:      rgba(255,255,255,0.04);
  --radius:    16px;
  --radius-sm: 10px;
  --t:         0.3s ease;
}
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ─── NAV ─── */
.main-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 60px;
  backdrop-filter: blur(20px);
  background: rgba(8,8,15,0.8);
  border-bottom: 1px solid var(--border);
  transition: padding var(--t);
}
.main-nav.scrolled { padding: 12px 60px; }
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.2rem; font-weight: 800; letter-spacing: -0.02em;
  background: linear-gradient(135deg, #fff 30%, var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  flex-shrink: 0;
}
.nav-logo img { height: 32px; -webkit-text-fill-color: initial; }
.nav-links { display: flex; gap: 30px; align-items: center; }
.nav-links a {
  font-size: 0.875rem; font-weight: 500; color: var(--muted);
  transition: color var(--t); position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 100%;
  height: 1px; background: var(--accent); transition: right var(--t);
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a:hover::after, .nav-links a.active::after { right: 0; }
.btn-nav {
  background: var(--accent); color: #fff !important;
  -webkit-text-fill-color: #fff !important;
  padding: 9px 22px; border-radius: var(--radius-sm);
  font-size: 0.85rem; font-weight: 600;
  transition: opacity var(--t), transform var(--t);
}
.btn-nav:hover { opacity: 0.85; transform: translateY(-1px); }
.btn-nav::after { display: none !important; }
.burger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none; padding: 4px;
}
.burger span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; display: block; }
.mobile-menu {
  display: none; position: fixed; inset: 0;
  background: rgba(8,8,15,0.97); z-index: 99;
  flex-direction: column; align-items: center; justify-content: center; gap: 28px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { font-size: 1.4rem; font-weight: 700; }
.close-menu {
  position: absolute; top: 24px; right: 24px;
  background: none; border: none; color: var(--text); font-size: 1.8rem; cursor: pointer;
}

/* ─── PAGE BANNER ─── */
.page-banner {
  padding: 160px 60px 80px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: relative; overflow: hidden;
}
.page-banner .b1 {
  position: absolute; border-radius: 50%; filter: blur(110px); opacity: 0.16;
  width: 500px; height: 500px; background: var(--accent); top: -180px; right: -80px;
}
.page-banner .b2 {
  position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.12;
  width: 300px; height: 300px; background: var(--cyan); bottom: -80px; left: -40px;
}
.page-banner-inner { position: relative; z-index: 1; max-width: 680px; }
.page-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(91,72,245,0.12); border: 1px solid rgba(91,72,245,0.25);
  color: var(--accent2); font-size: 0.72rem; font-weight: 700;
  padding: 5px 14px; border-radius: 20px; margin-bottom: 20px;
  text-transform: uppercase; letter-spacing: 0.1em;
}
.page-banner h1 {
  font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 900;
  letter-spacing: -0.03em; margin-bottom: 16px; line-height: 1.1;
}
.grad { background: linear-gradient(135deg, var(--accent), var(--cyan)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.page-banner p { font-size: 1rem; color: var(--muted); max-width: 500px; line-height: 1.75; }

/* ─── SECTIONS ─── */
section { padding: 90px 60px; }
.section-label {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent2); margin-bottom: 10px;
}
.section-title { font-size: clamp(1.7rem, 2.8vw, 2.6rem); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 14px; }
.section-sub { color: var(--muted); font-size: 0.95rem; max-width: 500px; line-height: 1.75; }
.section-header { margin-bottom: 56px; }

/* ─── BUTTONS ─── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; padding: 14px 32px; border-radius: var(--radius-sm);
  font-size: 0.95rem; font-weight: 700;
  box-shadow: 0 0 36px rgba(91,72,245,0.35);
  transition: box-shadow var(--t), transform var(--t); border: none; cursor: pointer; font-family: inherit;
}
.btn-primary:hover { box-shadow: 0 0 56px rgba(91,72,245,0.55); transform: translateY(-2px); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--border); color: var(--text);
  padding: 14px 32px; border-radius: var(--radius-sm);
  font-size: 0.95rem; font-weight: 600;
  transition: border-color var(--t), background var(--t), transform var(--t);
}
.btn-outline:hover { border-color: var(--accent); background: rgba(91,72,245,0.08); transform: translateY(-1px); }

/* ─── CARD ─── */
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px 28px;
  transition: border-color var(--t), transform var(--t), box-shadow var(--t);
  position: relative; overflow: hidden;
}
.card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(91,72,245,0.05) 0%, transparent 60%);
  opacity: 0; transition: opacity var(--t);
}
.card:hover { border-color: rgba(91,72,245,0.35); transform: translateY(-4px); box-shadow: 0 20px 50px rgba(0,0,0,0.3); }
.card:hover::before { opacity: 1; }
.card-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(91,72,245,0.18), rgba(139,92,246,0.18));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 20px;
}
.card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.card p { font-size: 0.87rem; color: var(--muted); line-height: 1.7; }

/* ─── GRID ─── */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.three-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* ─── REVIEWS ─── */
.reviews-section { background: var(--bg2); }
.reviews-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.review-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px;
  transition: border-color var(--t), transform var(--t);
}
.review-card:hover { border-color: rgba(91,72,245,0.3); transform: translateY(-3px); }
.review-stars { color: #f59e0b; font-size: 1rem; margin-bottom: 16px; letter-spacing: 2px; }
.review-text { font-size: 0.88rem; color: var(--muted); line-height: 1.75; margin-bottom: 24px; font-style: italic; }
.review-author { display: flex; align-items: center; gap: 12px; }
.review-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem; font-weight: 700; flex-shrink: 0;
}
.review-name { font-size: 0.9rem; font-weight: 700; }
.review-role { font-size: 0.77rem; color: var(--muted); }

/* ─── PARTNERS ─── */
.partners-section { background: var(--bg); padding: 64px 60px; }
.partners-label {
  text-align: center; font-size: 0.72rem; color: var(--muted);
  font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 44px;
}
.partners-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 16px; }
.partner-chip {
  font-size: 0.82rem; font-weight: 700; color: rgba(255,255,255,0.28);
  padding: 10px 22px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  transition: all var(--t); text-transform: uppercase; letter-spacing: 0.04em;
}
.partner-chip:hover { color: rgba(255,255,255,0.7); border-color: rgba(91,72,245,0.3); background: rgba(91,72,245,0.06); }

/* ─── CTA ─── */
.cta-section {
  text-align: center; position: relative; overflow: hidden;
  background: var(--bg3); padding: 80px 60px;
}
.cta-blob {
  position: absolute; border-radius: 50%; filter: blur(100px); opacity: 0.12;
  width: 400px; height: 400px; background: var(--accent); top: -150px; left: 50%; transform: translateX(-50%);
}
.cta-section h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem); font-weight: 900;
  letter-spacing: -0.02em; margin-bottom: 16px; position: relative; z-index: 1;
}
.cta-section p { color: var(--muted); margin-bottom: 36px; position: relative; z-index: 1; font-size: 1rem; }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }

/* ─── CONTACT FORM ─── */
.contact-section { background: var(--bg2); }
.contact-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.contact-items { display: flex; flex-direction: column; gap: 22px; margin-top: 36px; }
.contact-item { display: flex; gap: 14px; align-items: flex-start; }
.contact-icon {
  width: 42px; height: 42px; border-radius: 11px; flex-shrink: 0;
  background: rgba(91,72,245,0.15); display: flex; align-items: center; justify-content: center; font-size: 1rem;
}
.contact-item h5 { font-size: 0.72rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 3px; }
.contact-item a, .contact-item p { font-size: 0.95rem; font-weight: 600; color: var(--text); transition: color var(--t); }
.contact-item a:hover { color: var(--accent2); }
.social-links { display: flex; gap: 10px; margin-top: 28px; }
.soc-btn {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--card); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; transition: all var(--t); color: var(--muted);
}
.soc-btn:hover { border-color: var(--accent); background: rgba(91,72,245,0.12); color: var(--text); }
.contact-form { display: flex; flex-direction: column; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.76rem; font-weight: 600; color: var(--muted); }
.form-group input,
.form-group textarea,
.form-group select {
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 13px 15px;
  color: var(--text); font-family: 'Inter', sans-serif; font-size: 0.88rem;
  outline: none; transition: border-color var(--t), box-shadow var(--t); width: 100%;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--muted); }
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px rgba(91,72,245,0.12);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-group select option { background: var(--bg2); }
.btn-submit {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; padding: 15px; border: none;
  border-radius: var(--radius-sm); font-size: 0.95rem; font-weight: 700;
  cursor: pointer; transition: all var(--t);
  box-shadow: 0 0 28px rgba(91,72,245,0.28); font-family: 'Inter', sans-serif;
}
.btn-submit:hover { box-shadow: 0 0 48px rgba(91,72,245,0.48); transform: translateY(-2px); }

/* ─── BLOG ─── */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.blog-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.blog-card:hover { transform: translateY(-4px); box-shadow: 0 20px 50px rgba(0,0,0,0.3); border-color: rgba(91,72,245,0.3); }
.blog-thumb {
  width: 100%; aspect-ratio: 16/9;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.8rem; position: relative; overflow: hidden;
}
.blog-body { padding: 24px 24px 28px; }
.blog-tag-chip {
  display: inline-block; font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent2); background: rgba(139,92,246,0.12);
  border-radius: 6px; padding: 3px 10px; margin-bottom: 12px;
}
.blog-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.blog-card p { font-size: 0.83rem; color: var(--muted); line-height: 1.65; margin-bottom: 18px; }
.blog-meta { display: flex; justify-content: space-between; align-items: center; font-size: 0.77rem; color: var(--muted); }
.blog-read { color: var(--accent2); font-weight: 600; transition: color var(--t); }
.blog-card:hover .blog-read { color: var(--cyan); }

/* ─── PORTFOLIO ─── */
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pf-item {
  position: relative; border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 4/3; background: var(--bg3); border: 1px solid var(--border);
}
.pf-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.pf-item:hover img { transform: scale(1.06); }
.pf-ph {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; font-weight: 900; letter-spacing: -0.05em;
  color: rgba(255,255,255,0.07);
}
.pf-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(8,8,15,0.95) 0%, transparent 55%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 24px; opacity: 0; transition: opacity var(--t);
}
.pf-item:hover .pf-overlay { opacity: 1; }
.pf-category {
  font-size: 0.68rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; background: rgba(91,72,245,0.7);
  color: #fff; padding: 3px 10px; border-radius: 6px;
  display: inline-block; margin-bottom: 8px;
}
.pf-overlay h4 { font-size: 1rem; font-weight: 700; }
.pf-overlay span { font-size: 0.78rem; color: var(--cyan); margin-top: 3px; display: block; }

/* ─── STATS ROW ─── */
.stats-row {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 2px; background: var(--border);
}
.stat-box {
  background: var(--bg2); padding: 40px 32px;
  text-align: center;
}
.stat-box strong {
  display: block; font-size: 2.8rem; font-weight: 900; letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--accent), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-box span { font-size: 0.85rem; color: var(--muted); margin-top: 4px; display: block; }

/* ─── MAP ─── */
.map-wrap { width: 100%; height: 360px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); margin-top: 48px; }
.map-wrap iframe { width: 100%; height: 100%; border: none; filter: invert(90%) hue-rotate(180deg); }

/* ─── FOOTER ─── */
.main-footer { background: var(--bg); border-top: 1px solid var(--border); padding: 60px 60px 36px; }
.footer-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; flex-wrap: wrap; margin-bottom: 48px; }
.footer-desc { color: var(--muted); font-size: 0.84rem; max-width: 260px; margin-top: 14px; line-height: 1.7; }
.footer-cols { display: flex; gap: 52px; flex-wrap: wrap; }
.footer-col h6 { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.footer-col a { display: block; font-size: 0.84rem; color: var(--muted); margin-bottom: 9px; transition: color var(--t); }
.footer-col a:hover { color: var(--text); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.footer-bottom p { font-size: 0.78rem; color: var(--muted); }

/* ─── BACK TO TOP ─── */
#back-top {
  position: fixed; bottom: 28px; right: 28px; width: 42px; height: 42px;
  border-radius: 11px; background: var(--accent); color: #fff; border: none;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; opacity: 0; transform: translateY(10px);
  transition: all var(--t); z-index: 90;
}
#back-top.visible { opacity: 1; transform: translateY(0); }
#back-top:hover { background: var(--accent2); transform: translateY(-2px); }
#back-top svg { width: 16px; height: 16px; }

/* ─── ANIMATIONS ─── */
.fade-up { opacity: 0; transform: translateY(28px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .main-nav { padding: 18px 32px; }
  .main-nav.scrolled { padding: 12px 32px; }
  section { padding: 72px 32px; }
  .partners-section { padding: 52px 32px; }
  .main-footer { padding: 48px 32px 28px; }
  .page-banner { padding: 130px 32px 64px; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-wrap { grid-template-columns: 1fr; gap: 48px; }
  .cta-section { padding: 64px 32px; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; gap: 48px; }
  .three-col { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .main-nav { padding: 14px 20px; }
  .main-nav.scrolled { padding: 10px 20px; }
  .nav-links { display: none; }
  .burger { display: flex; }
  section { padding: 56px 20px; }
  .partners-section { padding: 44px 20px; }
  .main-footer { padding: 40px 20px 24px; }
  .page-banner { padding: 110px 20px 52px; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .footer-top { flex-direction: column; }
  .footer-cols { gap: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .cta-section { padding: 52px 20px; }
  .stats-row { grid-template-columns: 1fr 1fr; }
}