/* === V5: Professional · System fonts · Fast · Quiet motion === */
:root {
  --bg: #FFFFFF;
  --bg-2: #FAFAFA;
  --bg-3: #F4F4F5;
  --line: #E7E7EA;
  --line-2: #D4D4D8;
  --ink: #0A0A0A;
  --ink-1: #18181B;
  --ink-2: #52525B;
  --ink-3: #71717A;
  --ink-4: #A1A1AA;
  --accent: #0A0A0A;

  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Monaco, Consolas, monospace;

  --maxw: 1200px;
  --pad: 32px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html, body { overflow-x: hidden; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; border: none; background: none; cursor: pointer; color: inherit; }
img { max-width: 100%; display: block; }
::selection { background: var(--ink); color: var(--bg); }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }
@media (max-width: 768px) { :root { --pad: 20px; } }

/* === NAV === */
.nav {
  position: sticky; top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.82);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: 14px var(--pad);
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 14px; letter-spacing: -0.01em; }
.brand-mark {
  width: 22px; height: 22px;
  background: var(--ink); color: var(--bg);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
  border-radius: 5px;
}
.brand-domain { color: var(--ink-3); font-weight: 400; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-link {
  font-size: 13.5px; color: var(--ink-2); font-weight: 500;
  transition: color 0.2s ease;
}
.nav-link:hover { color: var(--ink); }
.nav-cta {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px;
  background: var(--ink); color: var(--bg);
  border-radius: 6px;
  font-size: 13px; font-weight: 500;
  transition: transform 0.2s ease, background 0.2s ease;
}
.nav-cta:hover { background: var(--ink-1); transform: translateY(-1px); }
@media (max-width: 720px) {
  .nav-links .hide-sm { display: none; }
}

/* === HERO === */
.hero { padding: 96px 0 80px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; gap: 40px; } }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 11px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12.5px; color: var(--ink-2);
  font-weight: 500;
  margin-bottom: 24px;
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #16A34A;
  box-shadow: 0 0 0 3px rgba(22,163,74,0.15);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: 0.5; } }

.hero h1 {
  font-size: clamp(38px, 5.4vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 24px;
}
.hero h1 .muted { color: var(--ink-3); font-weight: 500; }

.hero p.lead {
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-2);
  max-width: 520px;
  margin-bottom: 32px;
}
.hero p.lead b { color: var(--ink); font-weight: 600; }

.cta-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 28px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 18px;
  border-radius: 8px;
  font-size: 14px; font-weight: 500;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 20px -8px rgba(0,0,0,0.3); }
.btn-secondary { background: var(--bg); border-color: var(--line-2); color: var(--ink-1); }
.btn-secondary:hover { border-color: var(--ink); }
.btn .arrow { transition: transform 0.2s ease; }
.btn:hover .arrow { transform: translateX(2px); }

.trust-row { display: flex; align-items: center; gap: 14px; font-size: 13px; color: var(--ink-3); flex-wrap: wrap; }
.trust-row .sep { width: 3px; height: 3px; border-radius: 50%; background: var(--ink-4); }
.trust-row b { color: var(--ink-1); font-weight: 600; }

/* portrait */
.portrait-wrap {
  position: relative;
  width: 100%;
  max-width: 360px;
  justify-self: end;
}
@media (max-width: 900px) { .portrait-wrap { justify-self: start; max-width: 280px; } }
.portrait {
  position: relative;
  aspect-ratio: 4 / 5;
  background: var(--bg-3);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.portrait img {
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  height: 100%; width: auto;
  filter: grayscale(0.15);
  transition: transform 0.6s ease;
}
.portrait:hover img { transform: translateX(-50%) scale(1.03); }
.portrait-card {
  position: absolute;
  bottom: -16px; right: -16px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  box-shadow: 0 4px 14px -4px rgba(0,0,0,0.08);
  display: flex; align-items: center; gap: 10px;
  font-size: 12.5px;
}
.portrait-card .av {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--bg-3);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
}
.portrait-card .name { font-weight: 600; color: var(--ink); }
.portrait-card .role { color: var(--ink-3); font-size: 11.5px; }

/* === LOGOS / Trusted by === */
.logos {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 28px 0;
  background: var(--bg-2);
}
.logos-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad);
  display: flex; align-items: center; gap: 36px; justify-content: space-between; flex-wrap: wrap;
}
.logos-label {
  font-size: 12px; color: var(--ink-3); font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.06em;
  white-space: nowrap;
}
.logos-row { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }
.logo-item {
  font-size: 15px; font-weight: 600; color: var(--ink-3);
  letter-spacing: -0.01em;
  opacity: 0.75;
  transition: opacity 0.2s ease, color 0.2s ease;
  display: flex; align-items: center; gap: 6px;
}
.logo-item:hover { opacity: 1; color: var(--ink-1); }
.logo-item .glyph { font-size: 14px; opacity: 0.7; }

/* === SECTION === */
.section { padding: 100px 0; border-top: 1px solid var(--line); }
@media (max-width: 768px) { .section { padding: 64px 0; } }
.section-head { margin-bottom: 56px; max-width: 720px; }
.section-tag {
  font-size: 12px; color: var(--ink-3); font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.section-tag::before {
  content: ''; width: 16px; height: 1px; background: var(--ink-3);
}
.section-title {
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.025em;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
}
.section-sub { font-size: 16px; color: var(--ink-2); line-height: 1.6; }

/* === ABOUT === */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; gap: 32px; } }
.about-text p { font-size: 15.5px; color: var(--ink-2); line-height: 1.7; margin-bottom: 14px; }
.about-text p b { color: var(--ink); font-weight: 600; }
.facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
.fact {
  background: var(--bg);
  padding: 22px 20px;
  display: flex; flex-direction: column; gap: 8px;
  transition: background 0.2s ease;
}
.fact:hover { background: var(--bg-2); }
.fact .icon { width: 18px; height: 18px; color: var(--ink-2); }
.fact .ttl { font-size: 14px; font-weight: 600; color: var(--ink); }
.fact .desc { font-size: 12.5px; color: var(--ink-3); line-height: 1.5; }

/* === SERVICES === */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .svc-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .svc-grid { grid-template-columns: 1fr; } }
.svc {
  padding: 24px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  cursor: default;
}
.svc:hover { border-color: var(--line-2); transform: translateY(-2px); box-shadow: 0 8px 20px -10px rgba(0,0,0,0.06); }
.svc-icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: var(--bg-3);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  color: var(--ink);
}
.svc-icon svg { width: 18px; height: 18px; }
.svc-name { font-size: 16px; font-weight: 600; color: var(--ink); margin-bottom: 6px; letter-spacing: -0.01em; }
.svc-desc { font-size: 13.5px; color: var(--ink-3); line-height: 1.55; }

/* === STATS === */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
@media (max-width: 700px) { .stats { grid-template-columns: 1fr 1fr; } }
.stat-cell {
  background: var(--bg);
  padding: 28px 24px;
}
.stat-num {
  font-size: clamp(28px, 3.4vw, 36px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-num .small { font-size: 0.55em; color: var(--ink-3); margin-left: 2px; font-weight: 500; }
.stat-lbl { font-size: 12.5px; color: var(--ink-3); }

/* === PROJECTS === */
.proj-list {
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg);
}
.proj {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  gap: 24px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
  align-items: center;
  cursor: pointer;
  transition: background 0.2s ease, padding 0.3s ease;
}
.proj:last-child { border-bottom: none; }
.proj:hover { background: var(--bg-2); padding-left: 28px; }
.proj-num { font-family: var(--mono); font-size: 12px; color: var(--ink-3); }
.proj-ttl { font-size: 15px; font-weight: 600; color: var(--ink); letter-spacing: -0.01em; }
.proj-desc { font-size: 13px; color: var(--ink-3); margin-top: 2px; }
.proj-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.proj-tag {
  font-size: 11px;
  font-family: var(--mono);
  padding: 3px 8px;
  background: var(--bg-3);
  color: var(--ink-2);
  border-radius: 4px;
}
.proj-arrow { color: var(--ink-4); transition: color 0.2s, transform 0.2s; }
.proj:hover .proj-arrow { color: var(--ink); transform: translateX(2px); }
@media (max-width: 800px) {
  .proj { grid-template-columns: 40px 1fr auto; }
}

/* === TESTIMONIAL / Quote === */
.quote {
  padding: 36px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px;
  align-items: center;
}
@media (max-width: 700px) { .quote { grid-template-columns: 1fr; gap: 16px; padding: 24px; } }
.quote-avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--bg-3);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 600;
  color: var(--ink-2);
}
.quote-text {
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink-1);
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}
.quote-attr { font-size: 13px; color: var(--ink-3); }
.quote-attr b { color: var(--ink); font-weight: 600; }

/* === CONTACT === */
.contact {
  padding: 80px 0 100px;
  border-top: 1px solid var(--line);
}
.contact-card {
  padding: 56px 48px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 14px;
  text-align: center;
}
@media (max-width: 600px) { .contact-card { padding: 40px 24px; } }
.contact-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin-bottom: 12px;
  line-height: 1.15;
}
.contact-sub { font-size: 16px; color: var(--ink-2); margin-bottom: 28px; max-width: 480px; margin-left: auto; margin-right: auto; }
.contact-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 32px; }
.contact-list {
  display: flex; gap: 24px; justify-content: center; flex-wrap: wrap;
  font-size: 13px; color: var(--ink-3);
}
.contact-list a { color: var(--ink-2); transition: color 0.2s; display: inline-flex; align-items: center; gap: 6px; }
.contact-list a:hover { color: var(--ink); }

/* === FOOTER === */
.footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
}
.footer-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12.5px; color: var(--ink-3);
  flex-wrap: wrap; gap: 12px;
}
.footer-inner a { color: var(--ink-3); transition: color 0.2s; }
.footer-inner a:hover { color: var(--ink); }

/* === Reveal (subtle) === */
.fade { opacity: 1; transform: none; transition: opacity 0.5s ease, transform 0.5s ease; }
.fade.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .fade { opacity: 1; transform: none; }
}