/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #ffffff;
  --bg-subtle: #f8f9fa;
  --bg-muted: #f1f3f5;
  --border: #e9ecef;
  --border-strong: #ced4da;
  --text: #0d1117;
  --text-secondary: #6c757d;
  --text-muted: #adb5bd;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-light: #eff6ff;
  --success: #059669;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow: 0 4px 12px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg: 0 16px 40px rgba(0,0,0,.10), 0 4px 12px rgba(0,0,0,.05);
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --max-w: 1120px;
  --nav-h: 64px;
}

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

/* ===== TYPOGRAPHY ===== */
.text-xs  { font-size: .75rem; }
.text-sm  { font-size: .875rem; }
.text-base{ font-size: 1rem; }
.text-lg  { font-size: 1.125rem; }
.text-xl  { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }
.text-5xl { font-size: 3rem; }

.font-medium { font-weight: 500; }
.font-semibold{ font-weight: 600; }
.font-bold   { font-weight: 700; }

.text-secondary { color: var(--text-secondary); }
.text-accent    { color: var(--accent); }

/* ===== LAYOUT ===== */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section   { padding: 96px 0; }
.section-sm{ padding: 64px 0; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ===== NAV ===== */
.nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%;
}
.nav-logo {
  font-size: .9375rem; font-weight: 700; letter-spacing: -.01em;
  color: var(--text);
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a {
  font-size: .875rem; font-weight: 500; color: var(--text-secondary);
  padding: 6px 12px; border-radius: var(--radius-sm);
  transition: color .15s, background .15s;
}
.nav-links a:hover { color: var(--text); background: var(--bg-muted); }
.nav-links a.active { color: var(--text); }
.nav-cta {
  font-size: .875rem; font-weight: 600; color: #fff !important;
  background: var(--accent) !important;
  padding: 8px 16px !important; border-radius: var(--radius-sm);
  transition: background .15s !important;
}
.nav-cta:hover { background: var(--accent-hover) !important; color: #fff !important; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span {
  display: block; width: 20px; height: 2px;
  background: var(--text); border-radius: 2px; margin: 4px 0;
  transition: transform .2s, opacity .2s;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font); font-size: .875rem; font-weight: 600;
  padding: 10px 20px; border-radius: var(--radius-sm);
  border: none; cursor: pointer; transition: all .15s;
  line-height: 1.4;
}
.btn-primary {
  background: var(--accent); color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-secondary {
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border-strong);
}
.btn-secondary:hover { background: var(--bg-subtle); transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.btn-lg { padding: 13px 26px; font-size: 1rem; border-radius: var(--radius); }
.btn-ghost {
  background: transparent; color: var(--text-secondary); border: none;
  padding: 8px 14px;
}
.btn-ghost:hover { background: var(--bg-muted); color: var(--text); }

/* ===== BADGE / LABEL ===== */
.label {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .75rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-light);
  padding: 4px 10px; border-radius: 100px;
}

/* ===== HERO ===== */
.hero {
  padding: 112px 0 80px;
  background: linear-gradient(180deg, #f8f9ff 0%, #ffffff 60%);
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.hero-label { margin-bottom: 24px; }
.hero-title {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800; letter-spacing: -.03em; line-height: 1.1;
  max-width: 760px; margin: 0 auto 20px;
}
.hero-title em { font-style: normal; color: var(--accent); }
.hero-subtitle {
  font-size: 1.125rem; color: var(--text-secondary);
  max-width: 540px; margin: 0 auto 40px;
}
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ===== SECTION HEADER ===== */
.section-header { text-align: center; margin-bottom: 56px; }
.section-title {
  font-size: clamp(1.625rem, 3vw, 2.25rem);
  font-weight: 800; letter-spacing: -.025em; line-height: 1.2; margin-bottom: 12px;
}
.section-desc {
  font-size: 1.0625rem; color: var(--text-secondary);
  max-width: 520px; margin: 0 auto;
}

/* ===== CARDS ===== */
.card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px;
  transition: box-shadow .2s, transform .2s;
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.card-icon {
  width: 44px; height: 44px; border-radius: var(--radius);
  background: var(--accent-light); display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.card-icon svg { color: var(--accent); width: 22px; height: 22px; }
.card-title { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.card-desc { font-size: .9375rem; color: var(--text-secondary); line-height: 1.6; }

/* ===== TECH GRID ===== */
.tech-grid {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
}
.tech-tag {
  font-size: .8125rem; font-weight: 500;
  padding: 7px 14px; border-radius: 100px;
  background: var(--bg-muted); color: var(--text-secondary);
  border: 1px solid var(--border);
  transition: background .15s, color .15s, border-color .15s;
}
.tech-tag:hover { background: var(--accent-light); color: var(--accent); border-color: #bfdbfe; }

/* ===== STATS ===== */
.stats-row { display: flex; gap: 0; flex-wrap: wrap; }
.stat-item {
  flex: 1; min-width: 160px; text-align: center;
  padding: 32px 24px; border-right: 1px solid var(--border);
}
.stat-item:last-child { border-right: none; }
.stat-value {
  font-size: 2rem; font-weight: 800; letter-spacing: -.03em; color: var(--text); margin-bottom: 4px;
}
.stat-label { font-size: .875rem; color: var(--text-secondary); }

/* ===== PROCESS STEPS ===== */
.steps { counter-reset: steps; }
.step {
  display: flex; gap: 24px; margin-bottom: 48px;
}
.step:last-child { margin-bottom: 0; }
.step-num {
  flex-shrink: 0; width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent); color: #fff; font-size: .875rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin-top: 2px;
}
.step-body h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.step-body p  { font-size: .9375rem; color: var(--text-secondary); }

/* ===== SERVICES PAGE HERO ===== */
.page-hero {
  padding: 80px 0 64px;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.page-hero-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800; letter-spacing: -.03em; line-height: 1.15;
  margin: 12px 0 14px;
}
.page-hero-desc {
  font-size: 1.0625rem; color: var(--text-secondary); max-width: 520px; margin: 0 auto;
}

/* ===== SERVICE ROWS ===== */
.service-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px 80px;
  align-items: center; padding: 72px 0; border-bottom: 1px solid var(--border);
}
.service-row:last-of-type { border-bottom: none; }
.service-row.reverse .service-visual { order: -1; }
.service-visual {
  background: var(--bg-subtle); border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  min-height: 260px; display: flex; align-items: center; justify-content: center;
}
.service-visual-inner {
  padding: 40px 32px; display: flex; flex-direction: column;
  align-items: center; gap: 16px; text-align: center;
}
.service-visual svg { color: var(--accent); opacity: .8; }
.service-visual p { font-size: .875rem; color: var(--text-secondary); max-width: 220px; }
.service-tag {
  font-size: .75rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 10px; display: block;
}
.service-title { font-size: 1.5rem; font-weight: 800; letter-spacing: -.02em; margin-bottom: 12px; }
.service-desc  { font-size: .9375rem; color: var(--text-secondary); margin-bottom: 20px; }
.service-list  { display: flex; flex-direction: column; gap: 8px; }
.service-list li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: .9375rem; color: var(--text-secondary);
}
.service-list li::before {
  content: '';
  flex-shrink: 0; width: 16px; height: 16px; margin-top: 2px;
  background: var(--accent-light); border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M4 8.5l2.5 2.5L12 6' stroke='%232563eb' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-size: 16px 16px;
}

/* ===== ABOUT PAGE ===== */
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-intro-text h2 { font-size: 2rem; font-weight: 800; letter-spacing: -.025em; margin-bottom: 16px; }
.about-intro-text p  { font-size: 1.0625rem; color: var(--text-secondary); margin-bottom: 12px; }
.about-visual {
  background: var(--bg-subtle); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 40px 32px;
  display: flex; flex-direction: column; gap: 16px;
}
.about-item { display: flex; gap: 16px; align-items: flex-start; }
.about-item-icon {
  flex-shrink: 0; width: 38px; height: 38px; border-radius: var(--radius-sm);
  background: var(--accent-light); display: flex; align-items: center; justify-content: center;
}
.about-item-icon svg { color: var(--accent); width: 18px; height: 18px; }
.about-item h4 { font-size: .9375rem; font-weight: 700; margin-bottom: 2px; }
.about-item p  { font-size: .875rem; color: var(--text-secondary); }

.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.value-card {
  background: var(--bg-subtle); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
}
.value-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.value-card p  { font-size: .9375rem; color: var(--text-secondary); line-height: 1.6; }

/* ===== CONTACT ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px; align-items: start; }
.contact-info h2 { font-size: 1.75rem; font-weight: 800; letter-spacing: -.025em; margin-bottom: 12px; }
.contact-info > p { font-size: 1.0625rem; color: var(--text-secondary); margin-bottom: 32px; }
.contact-detail {
  display: flex; gap: 14px; align-items: flex-start; margin-bottom: 20px;
}
.contact-detail-icon {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: var(--radius);
  background: var(--accent-light); display: flex; align-items: center; justify-content: center;
}
.contact-detail-icon svg { color: var(--accent); width: 18px; height: 18px; }
.contact-detail h4 { font-size: .875rem; font-weight: 600; margin-bottom: 2px; }
.contact-detail p  { font-size: .9375rem; color: var(--text-secondary); }
.contact-detail a  { color: var(--accent); }

.contact-form-card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 36px;
}
.contact-form-card h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block; font-size: .875rem; font-weight: 600;
  margin-bottom: 6px; color: var(--text);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 10px 14px;
  font-family: var(--font); font-size: .9375rem; color: var(--text);
  background: var(--bg); border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); outline: none;
  transition: border-color .15s, box-shadow .15s;
  -webkit-appearance: none; appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select { cursor: pointer; }
.form-note { font-size: .8125rem; color: var(--text-muted); margin-bottom: 20px; }
.form-success {
  display: none; text-align: center; padding: 20px;
  background: #f0fdf4; border: 1px solid #bbf7d0; border-radius: var(--radius);
  color: var(--success); font-size: .9375rem; font-weight: 500; margin-top: 12px;
}

.calendly-section {
  background: var(--bg-subtle); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px; margin-top: 24px; text-align: center;
}
.calendly-section h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.calendly-section p  { font-size: .9375rem; color: var(--text-secondary); margin-bottom: 16px; }

/* ===== LEGAL PAGES ===== */
.legal-content { max-width: 760px; margin: 0 auto; padding: 80px 24px; }
.legal-content h1 { font-size: 2rem; font-weight: 800; letter-spacing: -.025em; margin-bottom: 8px; }
.legal-content .last-updated { font-size: .875rem; color: var(--text-secondary); margin-bottom: 48px; }
.legal-content h2 { font-size: 1.125rem; font-weight: 700; margin: 36px 0 10px; }
.legal-content p, .legal-content li { font-size: .9375rem; color: var(--text-secondary); line-height: 1.75; margin-bottom: 12px; }
.legal-content ul { list-style: disc; padding-left: 24px; margin-bottom: 12px; }
.legal-content a { color: var(--accent); }

/* ===== CTA BAND ===== */
.cta-band {
  background: var(--text); color: #fff;
  padding: 80px 0; text-align: center;
}
.cta-band h2 {
  font-size: clamp(1.625rem, 3vw, 2.25rem);
  font-weight: 800; letter-spacing: -.025em; margin-bottom: 12px;
}
.cta-band p { font-size: 1.0625rem; color: #94a3b8; margin-bottom: 36px; }
.cta-band .btn-primary { background: #fff; color: var(--text); }
.cta-band .btn-primary:hover { background: #f1f5f9; }
.cta-band .btn-secondary { border-color: rgba(255,255,255,.25); color: #fff; background: transparent; }
.cta-band .btn-secondary:hover { background: rgba(255,255,255,.08); }

/* ===== DIVIDER ===== */
.divider { border: none; border-top: 1px solid var(--border); margin: 0; }

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-subtle); border-top: 1px solid var(--border);
  padding: 56px 0 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 48px;
}
.footer-brand p { font-size: .9375rem; color: var(--text-secondary); margin-top: 10px; max-width: 240px; }
.footer-col h4 { font-size: .875rem; font-weight: 700; margin-bottom: 16px; }
.footer-col a {
  display: block; font-size: .875rem; color: var(--text-secondary);
  margin-bottom: 10px; transition: color .15s;
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 28px; border-top: 1px solid var(--border);
  font-size: .8125rem; color: var(--text-secondary);
  flex-wrap: wrap; gap: 12px;
}
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { color: var(--text-secondary); transition: color .15s; }
.footer-bottom-links a:hover { color: var(--text); }

/* ===== ANIMATIONS ===== */
.fade-up {
  opacity: 0; transform: translateY(20px);
  transition: opacity .5s ease, transform .5s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up-delay-1 { transition-delay: .1s; }
.fade-up-delay-2 { transition-delay: .2s; }
.fade-up-delay-3 { transition-delay: .3s; }
.fade-up-delay-4 { transition-delay: .4s; }
.fade-up-delay-5 { transition-delay: .5s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .service-row { grid-template-columns: 1fr; gap: 32px; }
  .service-row.reverse .service-visual { order: unset; }
  .about-intro { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .section { padding: 72px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero { padding: 80px 0 60px; }
  .hero-title { font-size: 2rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .nav-links { display: none; position: fixed; top: var(--nav-h); left: 0; right: 0; bottom: 0;
    background: var(--bg); padding: 24px 16px; flex-direction: column; align-items: stretch;
    border-top: 1px solid var(--border); overflow-y: auto; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; font-size: 1rem; }
  .nav-toggle { display: block; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .stats-row { flex-direction: column; }
  .stat-item { border-right: none; border-bottom: 1px solid var(--border); }
  .stat-item:last-child { border-bottom: none; }
  .values-grid { grid-template-columns: 1fr; }
  .contact-form-card { padding: 24px; }
  .cta-band .hero-actions { flex-direction: column; }
}