:root {
  --bg: #f4f7fb;
  --bg2: #eaf0f8;
  --bg3: #dde8f4;
  --white: #ffffff;
  --card: #ffffff;
  --border: #d4e0ef;
  --border2: #b8cfe8;
  --text: #1a2340;
  --muted: #5a6a85;
  --light: #8a9ab8;
  --accent: #2563eb;
  --accent-light: #eff4ff;
  --accent2: #0ea5a0;
  --accent2-light: #ecfdf9;
  --accent3: #e05c2a;
  --accent3-light: #fff3ee;
  --grad: linear-gradient(135deg, #2563eb 0%, #0ea5a0 100%);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, sans-serif;
  line-height: 1.7;
}

/* ── NAV ─────────────────────────────────────────────── */
nav {
  position: fixed; top: 0; width: 100%; z-index: 200;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%; height: 64px;
  box-shadow: 0 1px 8px rgba(37,99,235,0.06);
}
.logo {
  font-size: 1.15rem; font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  text-decoration: none;
}
.nav-links { display: flex; gap: 0.1rem; list-style: none; }
.nav-links a {
  color: var(--muted); text-decoration: none; font-size: 0.88rem;
  padding: 6px 13px; border-radius: 7px; transition: all 0.18s; white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active { color: var(--accent); background: var(--accent-light); }
.nav-cta {
  background: var(--accent); color: #fff;
  padding: 8px 20px; border-radius: 8px;
  text-decoration: none; font-size: 0.88rem; font-weight: 600;
  transition: opacity 0.2s; white-space: nowrap;
}
.nav-cta:hover { opacity: 0.87; }
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none; padding: 4px;
}
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text); border-radius: 2px; transition: all 0.2s;
}
.mobile-menu {
  display: none; position: fixed; top: 64px; left: 0; right: 0;
  background: #fff; border-bottom: 1px solid var(--border);
  padding: 16px 5%; z-index: 199; flex-direction: column; gap: 4px;
  box-shadow: 0 4px 20px rgba(37,99,235,0.08);
}
.mobile-menu a {
  color: var(--muted); text-decoration: none; font-size: 0.92rem;
  padding: 10px 12px; border-radius: 8px; transition: all 0.18s;
}
.mobile-menu a:hover,
.mobile-menu a.active { color: var(--accent); background: var(--accent-light); }
.mobile-menu.open { display: flex; }

/* ── LAYOUT ──────────────────────────────────────────── */
.page-wrap { padding-top: 64px; min-height: 100vh; }
.section { max-width: 1100px; margin: 0 auto; padding: 72px 5%; }
.section-head { text-align: center; margin-bottom: 52px; }
.section-head h2 { font-size: 2.1rem; font-weight: 700; margin-bottom: 10px; }
.section-head p { color: var(--muted); max-width: 520px; margin: 0 auto; }
.tag {
  display: inline-block; font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.08em; color: var(--accent); background: var(--accent-light);
  border: 1px solid #c7d9fb; border-radius: 20px;
  padding: 4px 12px; margin-bottom: 12px; text-transform: uppercase;
}

/* ── BUTTONS ─────────────────────────────────────────── */
.btn-primary {
  background: var(--accent); color: #fff; padding: 11px 26px;
  border-radius: 9px; text-decoration: none; font-weight: 600;
  font-size: 0.93rem; border: none; cursor: pointer;
  transition: opacity 0.2s; display: inline-block;
}
.btn-primary:hover { opacity: 0.87; }
.btn-secondary {
  background: var(--white); color: var(--text); padding: 11px 26px;
  border-radius: 9px; text-decoration: none; font-weight: 600;
  font-size: 0.93rem; border: 1px solid var(--border2);
  cursor: pointer; transition: background 0.2s; display: inline-block;
}
.btn-secondary:hover { background: var(--bg2); }
.btn-group { display: flex; gap: 12px; flex-wrap: wrap; }

/* ── PILLS ───────────────────────────────────────────── */
.pill {
  font-size: 0.72rem; background: var(--bg2); color: var(--muted);
  padding: 3px 10px; border-radius: 20px; border: 1px solid var(--border);
}

/* ── CARDS ───────────────────────────────────────────── */
.svc-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 28px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.svc-card:hover {
  border-color: var(--accent); transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(37,99,235,0.09);
}
.svc-icon { font-size: 1.8rem; margin-bottom: 14px; }
.svc-card h3 { font-size: 1.03rem; font-weight: 600; margin-bottom: 9px; }
.svc-card p { color: var(--muted); font-size: 0.87rem; line-height: 1.65; margin-bottom: 14px; }
.svc-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.svc-learn { font-size: 0.82rem; color: var(--accent); font-weight: 600; margin-top: 12px; display: inline-block; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 22px; }

/* ── VALUE STRIP ─────────────────────────────────────── */
.value-strip {
  background: var(--white); border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border); padding: 48px 5%;
}
.value-strip-inner {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px;
}
.val-item { text-align: center; }
.val-num {
  font-size: 2.3rem; font-weight: 700;
  background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.val-desc { color: var(--muted); font-size: 0.87rem; margin-top: 4px; }

/* ── HERO ────────────────────────────────────────────── */
.hero {
  padding: 90px 5% 70px; max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.hero-badge {
  display: inline-block; background: var(--accent-light); color: var(--accent);
  font-size: 0.78rem; padding: 5px 14px; border-radius: 20px;
  border: 1px solid #c7d9fb; margin-bottom: 1.2rem; font-weight: 600; letter-spacing: 0.04em;
}
.hero h1 { font-size: 2.8rem; font-weight: 700; line-height: 1.16; margin-bottom: 1.2rem; }
.hero h1 span { background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero p { color: var(--muted); font-size: 1rem; margin-bottom: 2rem; max-width: 470px; }
.hero-visual {
  background: var(--white); border: 1px solid var(--border);
  border-radius: 16px; padding: 28px;
  box-shadow: 0 4px 24px rgba(37,99,235,0.07);
}
.mini-stat {
  display: flex; justify-content: space-between; align-items: center;
  padding: 11px 0; border-bottom: 1px solid var(--border);
}
.mini-stat:last-child { border-bottom: none; }
.mini-label { font-size: 0.82rem; color: var(--muted); }
.mini-val { font-size: 0.9rem; font-weight: 600; color: var(--accent2); }
.mini-tag {
  font-size: 0.7rem; background: var(--accent2-light); color: var(--accent2);
  padding: 2px 8px; border-radius: 4px; margin-left: 6px;
}

/* ── STEPS ───────────────────────────────────────────── */
.steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; position: relative;
}
.step {
  background: var(--white); border: 1px solid var(--border);
  padding: 30px 26px; position: relative;
}
.step:first-child { border-radius: 14px 0 0 14px; }
.step:last-child { border-radius: 0 14px 14px 0; }
.step-num {
  font-size: 2.2rem; font-weight: 800;
  background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 10px;
}
.step h3 { font-size: 0.97rem; font-weight: 600; margin-bottom: 7px; }
.step p { color: var(--muted); font-size: 0.84rem; }
.arrow {
  position: absolute; right: -13px; top: 50%; transform: translateY(-50%);
  color: var(--accent); font-size: 1.4rem; z-index: 2;
  background: var(--bg); padding: 2px 5px; border-radius: 50%;
}

/* ── CASE CARDS ──────────────────────────────────────── */
.cases-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 26px; }
.case-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  overflow: hidden; transition: transform 0.2s, box-shadow 0.2s;
}
.case-card:hover { transform: translateY(-3px); box-shadow: 0 6px 24px rgba(37,99,235,0.09); }
.case-header { padding: 22px 22px 0; }
.case-type { font-size: 0.71rem; font-weight: 700; letter-spacing: 0.06em; color: var(--accent3); text-transform: uppercase; margin-bottom: 9px; }
.case-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 10px; }
.case-body { padding: 0 22px 22px; }
.case-body p { color: var(--muted); font-size: 0.86rem; margin-bottom: 14px; }
.result-row { display: flex; gap: 10px; flex-wrap: wrap; }
.result-badge {
  background: var(--accent2-light); border: 1px solid #b2ece8;
  color: var(--accent2); font-size: 0.77rem; padding: 4px 11px;
  border-radius: 6px; font-weight: 600;
}
.case-tools { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }

/* ── STACK ───────────────────────────────────────────── */
.stack-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 14px; }
.stack-item {
  background: var(--white); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px 14px; text-align: center; transition: border-color 0.2s, box-shadow 0.2s;
}
.stack-item:hover { border-color: var(--accent); box-shadow: 0 3px 12px rgba(37,99,235,0.08); }
.stack-emoji { font-size: 1.5rem; margin-bottom: 7px; }
.stack-name { font-size: 0.81rem; font-weight: 600; }
.stack-cat { font-size: 0.69rem; color: var(--muted); margin-top: 2px; }
.stack-section-label {
  font-size: 0.74rem; color: var(--accent); font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; margin: 32px 0 14px;
}

/* ── ABOUT ───────────────────────────────────────────── */
.about-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 56px; align-items: start; }
.about-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: 16px; padding: 30px; text-align: center;
  box-shadow: 0 2px 12px rgba(37,99,235,0.05);
}
.avatar {
  width: 76px; height: 76px; border-radius: 50%; background: var(--grad);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; font-weight: 700; color: #fff; margin: 0 auto 14px;
}
.about-card h3 { font-size: 1.05rem; font-weight: 600; }
.about-card .role { color: var(--muted); font-size: 0.84rem; margin-top: 4px; }
.about-card .company { color: var(--accent); font-size: 0.81rem; margin-top: 5px; font-weight: 600; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; justify-content: center; }
.about-content h2 { font-size: 1.9rem; font-weight: 700; margin-bottom: 14px; }
.about-content p { color: var(--muted); margin-bottom: 14px; font-size: 0.93rem; }
.exp-list { list-style: none; margin-top: 22px; }
.exp-list li { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); font-size: 0.88rem; color: var(--muted); }
.exp-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex-shrink: 0; margin-top: 8px; }

/* ── CONTACT ─────────────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-info h2 { font-size: 1.9rem; font-weight: 700; margin-bottom: 14px; }
.contact-info p { color: var(--muted); margin-bottom: 28px; font-size: 0.93rem; }
.contact-link {
  display: flex; align-items: center; gap: 14px; padding: 15px;
  background: var(--white); border: 1px solid var(--border); border-radius: 12px;
  margin-bottom: 12px; text-decoration: none; color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.contact-link:hover { border-color: var(--accent); box-shadow: 0 2px 10px rgba(37,99,235,0.08); }
.cl-icon { width: 38px; height: 38px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1rem; }
.cl-label { font-size: 0.77rem; color: var(--muted); }
.cl-val { font-size: 0.9rem; font-weight: 600; }
.contact-form {
  background: var(--white); border: 1px solid var(--border);
  border-radius: 16px; padding: 34px;
  box-shadow: 0 2px 16px rgba(37,99,235,0.06);
}
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.81rem; color: var(--muted); margin-bottom: 6px; font-weight: 500; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 13px; color: var(--text);
  font-size: 0.89rem; outline: none; transition: border-color 0.2s; font-family: inherit;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--accent); background: #fff; }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select option { background: #fff; }
.form-submit {
  width: 100%; padding: 12px; background: var(--accent); color: #fff;
  border: none; border-radius: 9px; font-size: 0.93rem; font-weight: 600;
  cursor: pointer; transition: opacity 0.2s;
}
.form-submit:hover { opacity: 0.87; }

/* ── BLOG LIST ───────────────────────────────────────── */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); gap: 24px; }
.blog-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden; cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s; text-decoration: none; display: block; color: var(--text);
}
.blog-card:hover { transform: translateY(-3px); box-shadow: 0 6px 24px rgba(37,99,235,0.1); }
.blog-img-placeholder {
  width: 100%; height: 175px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.4rem; background: var(--bg3);
}
.blog-body { padding: 20px 22px 22px; }
.blog-cat { font-size: 0.71rem; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.blog-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; line-height: 1.45; }
.blog-card p { color: var(--muted); font-size: 0.85rem; margin-bottom: 14px; line-height: 1.6; }
.blog-meta { display: flex; align-items: center; gap: 10px; font-size: 0.77rem; color: var(--light); }
.blog-dot { width: 3px; height: 3px; border-radius: 50%; background: var(--light); display: inline-block; }
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 44px; }
.page-btn {
  width: 38px; height: 38px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--white); color: var(--muted); font-size: 0.88rem; font-weight: 600;
  cursor: pointer; transition: all 0.18s; display: flex; align-items: center; justify-content: center;
}
.page-btn.active,
.page-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.page-btn.arrow-btn { width: auto; padding: 0 14px; font-size: 1rem; }

/* ── BLOG POST PAGE ──────────────────────────────────── */
.blog-post { max-width: 760px; margin: 0 auto; padding: 60px 5% 80px; }
.post-hero-placeholder {
  width: 100%; height: 280px; border-radius: 14px; margin-bottom: 36px;
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem; background: var(--bg3); border: 1px solid var(--border);
}
.post-cat { font-size: 0.74rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.blog-post h1 { font-size: 2rem; font-weight: 700; line-height: 1.28; margin-bottom: 14px; }
.post-meta {
  display: flex; gap: 12px; align-items: center; font-size: 0.82rem; color: var(--light);
  margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--border);
}
.blog-post h2 { font-size: 1.3rem; font-weight: 700; margin: 32px 0 12px; }
.blog-post p { color: var(--muted); margin-bottom: 16px; font-size: 0.95rem; line-height: 1.78; }
.blog-post ul, .blog-post ol { color: var(--muted); padding-left: 22px; margin-bottom: 16px; }
.blog-post li { margin-bottom: 7px; font-size: 0.93rem; line-height: 1.7; }
.code-block {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 9px;
  padding: 16px 18px; font-family: monospace; font-size: 0.83rem; color: var(--text);
  margin: 18px 0; overflow-x: auto; line-height: 1.6; white-space: pre;
}
.callout {
  background: var(--accent-light); border-left: 3px solid var(--accent);
  border-radius: 0 9px 9px 0; padding: 14px 18px; margin: 18px 0;
}
.callout p { color: var(--accent); margin: 0; font-size: 0.9rem; font-weight: 500; }
.back-btn {
  display: inline-flex; align-items: center; gap: 7px; color: var(--accent);
  font-size: 0.87rem; font-weight: 600; cursor: pointer; margin-bottom: 28px;
  background: none; border: none; text-decoration: none;
}
.back-btn:hover { text-decoration: underline; }

/* ── SERVICE DETAIL ──────────────────────────────────── */
.svc-detail { max-width: 900px; margin: 0 auto; padding: 60px 5% 80px; }
.svc-detail-hero {
  background: var(--white); border: 1px solid var(--border); border-radius: 16px;
  padding: 40px; margin-bottom: 36px;
  display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: start;
  box-shadow: 0 2px 16px rgba(37,99,235,0.06);
}
.svc-detail-icon { font-size: 3rem; }
.svc-detail h1 { font-size: 1.8rem; font-weight: 700; margin-bottom: 10px; }
.svc-detail-hero p { color: var(--muted); font-size: 0.97rem; }
.svc-detail h2 { font-size: 1.2rem; font-weight: 700; margin: 32px 0 14px; }
.svc-detail p { color: var(--muted); font-size: 0.93rem; line-height: 1.75; margin-bottom: 14px; }
.deliverables { list-style: none; margin: 0 0 20px; }
.deliverables li { display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 0.9rem; color: var(--muted); }
.del-check { color: var(--accent2); font-size: 1rem; flex-shrink: 0; }
.svc-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 28px; }
.svc-mini-card { background: var(--bg); border: 1px solid var(--border); border-radius: 10px; padding: 18px; }
.svc-mini-card h4 { font-size: 0.9rem; font-weight: 600; margin-bottom: 7px; }
.svc-mini-card p { color: var(--muted); font-size: 0.83rem; margin: 0; }
.svc-cta {
  background: var(--accent-light); border: 1px solid #c7d9fb;
  border-radius: 14px; padding: 32px; text-align: center; margin-top: 36px;
}
.svc-cta h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.svc-cta p { color: var(--muted); font-size: 0.9rem; margin-bottom: 20px; }

/* ── FOOTER ──────────────────────────────────────────── */
footer {
  background: var(--white); border-top: 1px solid var(--border);
  padding: 36px 5%; text-align: center;
}
footer p { color: var(--muted); font-size: 0.84rem; }
footer span {
  background: var(--grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; font-weight: 600;
}

/* ── RESPONSIVE ──────────────────────────────────────── */
@media (max-width: 900px) {
  .steps { grid-template-columns: 1fr 1fr; }
  .step:nth-child(1) { border-radius: 14px 0 0 0; }
  .step:nth-child(2) { border-radius: 0 14px 0 0; }
  .step:nth-child(3) { border-radius: 0 0 0 14px; }
  .step:nth-child(4) { border-radius: 0 0 14px 0; }
  .arrow { display: none; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .hero { grid-template-columns: 1fr; gap: 36px; padding: 52px 5% 44px; }
  .hero h1 { font-size: 2rem; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .step { border-radius: 0 !important; }
  .step:first-child { border-radius: 14px 14px 0 0 !important; }
  .step:last-child { border-radius: 0 0 14px 14px !important; }
  .value-strip-inner { grid-template-columns: 1fr; gap: 22px; }
  .svc-detail-hero { grid-template-columns: 1fr; }
  .svc-detail-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
}