:root {
  --bg: #0a0a0a;
  --bg-card: #141414;
  --bg-card-hover: #1a1a1a;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --text: #f0f0f0;
  --text-muted: #888;
  --border: #222;
  --radius: 8px;
  --max-w: 1100px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ── NAV ── */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,10,10,.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 2rem;
}
.logo { font-size: 1.25rem; font-weight: 700; color: var(--text); }
.logo span { color: var(--accent); }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a { color: var(--text-muted); font-size: .95rem; transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }

.hamburger {
  display: none; background: none; border: none; color: var(--text);
  font-size: 1.5rem; cursor: pointer;
}

/* ── HERO ── */
.hero {
  max-width: var(--max-w); margin: 0 auto;
  padding: 6rem 2rem 4rem;
  text-align: center;
}
.hero h1 { font-size: 3rem; font-weight: 800; line-height: 1.15; margin-bottom: 1.25rem; }
.hero h1 span { color: var(--accent); }
.hero p { font-size: 1.2rem; color: var(--text-muted); max-width: 640px; margin: 0 auto 2rem; }
.hero-typed {
  display: inline-block; border-right: 3px solid var(--accent);
  animation: blink .7s step-end infinite;
}
@keyframes blink { 50% { border-color: transparent; } }
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero h1, .hero p, .hero .btn { animation: fadeInUp .8s ease both; }
.hero p { animation-delay: .15s; }
.hero .btn { animation-delay: .3s; }
.hero .btn-outline { animation-delay: .4s; }
.btn {
  display: inline-block; padding: .85rem 2rem;
  background: var(--accent); color: #fff; border: none; border-radius: var(--radius);
  font-size: 1rem; font-weight: 600; cursor: pointer; transition: background .2s;
}
.btn:hover { background: var(--accent-hover); color: #fff; }
.btn-outline {
  background: transparent; border: 1px solid var(--accent); color: var(--accent);
  margin-left: .75rem;
}
.btn-outline:hover { background: var(--accent); color: #fff; }

/* ── SECTIONS ── */
section { max-width: var(--max-w); margin: 0 auto; padding: 4rem 2rem; }
section h2 { font-size: 2rem; font-weight: 700; margin-bottom: .5rem; }
section .subtitle { color: var(--text-muted); margin-bottom: 2.5rem; font-size: 1.05rem; }

/* ── CARDS GRID ── */
.card-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 2rem; transition: background .2s, border-color .2s;
}
.card:hover { background: var(--bg-card-hover); border-color: #333; }
.card h3 { font-size: 1.15rem; margin-bottom: .5rem; }
.card p { color: var(--text-muted); font-size: .95rem; }
.card-icon { font-size: 1.75rem; margin-bottom: .75rem; display: block; }

/* ── HOW-IT-WORKS ── */
.steps {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr));
  gap: 2rem; counter-reset: step;
}
.step { position: relative; padding-left: 3rem; }
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute; left: 0; top: 0;
  width: 2rem; height: 2rem; border-radius: 50%;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .9rem;
}
.step h3 { font-size: 1.05rem; margin-bottom: .35rem; }
.step p { color: var(--text-muted); font-size: .9rem; }

/* ── CTA BANNER ── */
.cta-banner {
  text-align: center; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 3rem 2rem; margin: 2rem auto;
  max-width: var(--max-w);
}
.cta-banner h2 { margin-bottom: .75rem; }
.cta-banner p { color: var(--text-muted); margin-bottom: 1.5rem; }

/* ── SERVICES PAGE ── */
.service-detail {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem;
  align-items: center; padding: 3rem 0; border-bottom: 1px solid var(--border);
}
.service-detail:last-child { border-bottom: none; }
.service-detail.reverse { direction: rtl; }
.service-detail.reverse > * { direction: ltr; }
.how-btn {
  margin-top: 1rem; padding: .5rem 1.25rem;
  background: transparent; border: 1px solid var(--accent); color: var(--accent);
  border-radius: var(--radius); font-size: .9rem; font-weight: 600;
  cursor: pointer; transition: background .2s, color .2s;
}
.how-btn:hover { background: var(--accent); color: #fff; }
.how-panel {
  max-height: 0; overflow: hidden; opacity: 0;
  transition: max-height .4s ease, opacity .3s ease, margin .3s ease;
  margin-top: 0;
}
.how-panel.open {
  max-height: 500px; opacity: 1; margin-top: 1rem;
}
.how-panel p {
  color: var(--text-muted); font-size: .9rem; line-height: 1.7;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem;
}
.service-detail h3 { font-size: 1.4rem; margin-bottom: .75rem; }
.service-detail p { color: var(--text-muted); }
.service-detail ul { color: var(--text-muted); margin-top: .75rem; padding-left: 1.25rem; }
.service-detail ul li { margin-bottom: .35rem; }
.service-visual {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 2.5rem; text-align: center; font-size: 3rem;
}

/* ── ABOUT PAGE ── */
.about-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 3rem; align-items: start; }
.about-photo {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 3rem; text-align: center; font-size: 4rem;
}
.about-text h3 { margin-top: 1.5rem; margin-bottom: .5rem; }
.about-text p { color: var(--text-muted); margin-bottom: 1rem; }
.values-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px,1fr)); gap: 1.5rem; margin-top: 2rem; }

/* ── CONTACT FORM ── */
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: .9rem; font-weight: 600; margin-bottom: .4rem; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: .75rem 1rem;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text); font-size: .95rem; font-family: inherit;
  transition: border-color .2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { outline: none; border-color: var(--accent); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select { appearance: none; cursor: pointer; }
.form-group .hint { font-size: .8rem; color: var(--text-muted); margin-top: .25rem; }
.form-status { margin-top: 1rem; padding: 1rem; border-radius: var(--radius); display: none; }
.form-status.success { display: block; background: #0a2e1a; border: 1px solid #166534; color: #4ade80; }
.form-status.error { display: block; background: #2e0a0a; border: 1px solid #991b1b; color: #f87171; }
.contact-info h3 { margin-bottom: .5rem; }
.contact-info p { color: var(--text-muted); margin-bottom: 1.5rem; }
.contact-info .info-item { margin-bottom: 1.25rem; }
.contact-info .info-item strong { display: block; margin-bottom: .2rem; }
.contact-info .info-item span { color: var(--text-muted); font-size: .95rem; }

/* ── PAIN CARDS ── */
.pain-card h3 {
  font-size: 1.05rem; font-style: italic; color: var(--text);
  margin-bottom: .75rem; line-height: 1.4;
}
.pain-card p { color: var(--text-muted); font-size: .9rem; }

/* ── FAQ ── */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q {
  width: 100%; padding: 1.25rem 0; background: none; border: none;
  color: var(--text); font-size: 1.05rem; font-weight: 600;
  text-align: left; cursor: pointer; font-family: inherit;
  display: flex; justify-content: space-between; align-items: center;
  transition: color .2s;
}
.faq-q:hover { color: var(--accent); }
.faq-q::after {
  content: "+"; font-size: 1.4rem; font-weight: 400; color: var(--text-muted);
  transition: transform .3s;
}
.faq-item.open .faq-q::after { content: "-"; }
.faq-a {
  max-height: 0; overflow: hidden; opacity: 0;
  transition: max-height .4s ease, opacity .3s ease;
}
.faq-item.open .faq-a {
  max-height: 300px; opacity: 1;
}
.faq-a p {
  color: var(--text-muted); font-size: .95rem; line-height: 1.7;
  padding-bottom: 1.25rem;
}

/* ── BLOG ── */
.blog-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem;
}
.blog-card {
  display: block; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.75rem; text-decoration: none;
  transition: background .2s, border-color .2s, transform .2s;
}
.blog-card:hover { background: var(--bg-card-hover); border-color: #333; transform: translateY(-2px); }
.blog-card .blog-date { font-size: .8rem; color: var(--text-muted); margin-bottom: .5rem; display: block; }
.blog-card h3 { font-size: 1.1rem; color: var(--text); margin-bottom: .5rem; line-height: 1.4; }
.blog-card p { font-size: .9rem; color: var(--text-muted); line-height: 1.6; margin-bottom: .75rem; }
.blog-card .blog-read { font-size: .85rem; color: var(--accent); font-weight: 600; }

.blog-article {
  max-width: 720px; margin: 0 auto; padding: 4rem 2rem;
}
.blog-article .blog-date { font-size: .85rem; color: var(--text-muted); margin-bottom: .5rem; display: block; }
.blog-article h1 { font-size: 2.2rem; font-weight: 800; line-height: 1.2; margin-bottom: 1.5rem; }
.blog-article h2 { font-size: 1.3rem; font-weight: 700; margin-top: 2rem; margin-bottom: .75rem; }
.blog-article h3 { font-size: 1.05rem; font-weight: 600; margin-top: 1.5rem; margin-bottom: .5rem; }
.blog-article p { color: var(--text-muted); line-height: 1.8; margin-bottom: 1rem; }
.blog-article ul, .blog-article ol { color: var(--text-muted); line-height: 1.8; margin-bottom: 1rem; padding-left: 1.5rem; }
.blog-article li { margin-bottom: .5rem; }
.blog-article a { color: var(--accent); }
.blog-article a:hover { color: var(--accent-hover); }

/* ── CASE STUDIES ── */
.case-study {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  margin-bottom: 2rem; overflow: hidden;
}
.case-header {
  padding: 1.5rem 2rem; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.case-industry {
  background: var(--accent); color: #fff; font-size: .75rem; font-weight: 700;
  padding: .3rem .75rem; border-radius: 50px; text-transform: uppercase; letter-spacing: .5px;
}
.case-header h3 { font-size: 1.2rem; margin: 0; }
.case-body { padding: 2rem; }
.case-section { margin-bottom: 1.5rem; }
.case-section h4 { font-size: .85rem; text-transform: uppercase; letter-spacing: .5px; color: var(--accent); margin-bottom: .5rem; }
.case-section p { color: var(--text-muted); line-height: 1.7; }
.case-results {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem; margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border);
}
.result-item { text-align: center; }
.result-number { display: block; font-size: 1.5rem; font-weight: 800; color: var(--accent); margin-bottom: .25rem; }
.result-label { font-size: .8rem; color: var(--text-muted); }

/* ── CHAT WIDGET ── */
.chat-bubble {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 200;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--accent); border: none; cursor: pointer;
  box-shadow: 0 4px 16px rgba(59,130,246,.4);
  display: flex; align-items: center; justify-content: center;
  transition: transform .2s, box-shadow .2s;
}
.chat-bubble:hover { transform: scale(1.08); box-shadow: 0 6px 24px rgba(59,130,246,.5); }
.chat-bubble svg { width: 26px; height: 26px; fill: #fff; }
.chat-popup {
  position: fixed; bottom: 6rem; right: 2rem; z-index: 200;
  width: 340px; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; box-shadow: 0 8px 32px rgba(0,0,0,.5);
  display: none; flex-direction: column; overflow: hidden;
}
.chat-popup.open { display: flex; }
.chat-header {
  padding: 1rem 1.25rem; background: var(--accent);
  display: flex; justify-content: space-between; align-items: center;
}
.chat-header span { color: #fff; font-weight: 700; font-size: .95rem; }
.chat-close {
  background: none; border: none; color: rgba(255,255,255,.8);
  font-size: 1.3rem; cursor: pointer; padding: 0; line-height: 1;
}
.chat-close:hover { color: #fff; }
.chat-body { padding: 1.25rem; }
.chat-body .form-group { margin-bottom: .75rem; }
.chat-body .form-group label { font-size: .8rem; margin-bottom: .25rem; }
.chat-body .form-group input,
.chat-body .form-group textarea {
  padding: .6rem .75rem; font-size: .85rem;
}
.chat-body textarea { min-height: 70px; }
.chat-body .btn { width: 100%; padding: .7rem; font-size: .9rem; }
.chat-status { margin-top: .5rem; padding: .6rem; border-radius: var(--radius); display: none; font-size: .85rem; }
.chat-status.success { display: block; background: #0a2e1a; border: 1px solid #166534; color: #4ade80; }
.chat-status.error { display: block; background: #2e0a0a; border: 1px solid #991b1b; color: #f87171; }
@media (max-width: 768px) {
  .chat-popup { right: 1rem; left: 1rem; width: auto; bottom: 5.5rem; }
  .chat-bubble { bottom: 1.5rem; right: 1.5rem; }
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border); padding: 2rem;
  text-align: center; color: var(--text-muted); font-size: .85rem;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .service-detail { grid-template-columns: 1fr; }
  .service-detail.reverse { direction: ltr; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg); border-bottom: 1px solid var(--border); padding: 1rem 2rem; gap: 1rem; }
  .nav-links.open { display: flex; }
  .hamburger { display: block; }
  .btn-outline { margin-left: 0; margin-top: .5rem; }
}