@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500&family=DM+Mono:wght@400;500&display=swap');

:root {
  --black: #0a0a0a;
  --white: #ffffff;
  --gray-100: #f5f5f4;
  --gray-200: #e8e8e6;
  --gray-400: #a8a8a4;
  --gray-600: #6b6b68;
  --gray-800: #2c2c2a;
  --accent: #0a0a0a;
  --font-sans: 'DM Sans', sans-serif;
  --font-mono: 'DM Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--white);
  color: var(--black);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

/* ── NAV ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: 0 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-mark {
  width: 38px;
  height: 38px;
  background: var(--black);
  border-radius: 4px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
  padding: 7px;
}

.nav-mark span {
  background: var(--white);
  border-radius: 1px;
  display: block;
}

.nav-mark span.empty { background: transparent; }

.nav-brand-text { line-height: 1.2; }
.nav-brand-text strong { font-size: 14px; font-weight: 500; display: block; }
.nav-brand-text em { font-size: 11px; font-style: normal; color: var(--gray-600); font-family: var(--font-mono); }

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-size: 13px;
  color: var(--gray-600);
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--black); }

.nav-cta {
  background: var(--black);
  color: var(--white) !important;
  font-size: 12px;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 3px;
  letter-spacing: 0.02em;
  transition: background 0.2s;
  border: 1.5px solid var(--gray-400);
}

.nav-cta:hover { background: var(--gray-800); }

.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: 1.5px;
  background: var(--black);
  transition: all 0.3s;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: 1rem 2.5rem;
  gap: 1rem;
}

.mobile-menu a {
  font-size: 14px;
  color: var(--gray-600);
  padding: 0.5rem 0;
  border-bottom: 0.5px solid var(--gray-200);
}

.mobile-menu.open { display: flex; }

/* ── HERO ── */
.hero {
  padding: 6rem 2.5rem 5rem;
  border-bottom: 1px solid var(--gray-200);
  max-width: 900px;
  margin: 0 auto;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gray-600);
  background: var(--gray-100);
  border: 0.5px solid var(--gray-200);
  padding: 5px 14px;
  border-radius: 2px;
  margin-bottom: 2rem;
  letter-spacing: 0.04em;
}

.hero-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--black);
  border-radius: 50%;
  display: inline-block;
}

.hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 300;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  max-width: 700px;
}

.hero h1 strong { font-weight: 500; }

.hero p {
  font-size: 16px;
  color: var(--gray-600);
  max-width: 520px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 26px;
  font-size: 13px;
  font-weight: 500;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: var(--black);
  color: var(--white);
  border: 1px solid var(--black);
}

.btn-primary:hover { background: var(--gray-800); }

.btn-secondary {
  background: var(--white);
  color: var(--black);
  border: 1px solid var(--gray-200);
}

.btn-secondary:hover { border-color: var(--black); }

/* ── STATS BAR ── */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--gray-200);
}

.stat {
  padding: 1.75rem 2.5rem;
  border-right: 1px solid var(--gray-200);
}

.stat:last-child { border-right: none; }

.stat-num {
  font-size: 26px;
  font-weight: 300;
  letter-spacing: -0.02em;
  margin-bottom: 2px;
}

.stat-label {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--gray-600);
  letter-spacing: 0.04em;
}

/* ── SECTIONS ── */
.section {
  padding: 5rem 2.5rem;
  max-width: 1080px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: 3rem;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--gray-400);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
  display: block;
}

.section h2 {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 300;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section h2 strong { font-weight: 500; }

.section-desc {
  font-size: 15px;
  color: var(--gray-600);
  max-width: 520px;
  line-height: 1.8;
}

/* ── SERVICE GRID ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background: var(--gray-200);
  border: 1px solid var(--gray-200);
}

.svc-card {
  background: var(--white);
  padding: 2rem;
  border-top: 2px solid transparent;
  transition: border-color 0.2s;
}

.svc-card:hover { border-top-color: var(--black); }

.svc-icon {
  font-size: 20px;
  margin-bottom: 1rem;
  color: var(--gray-600);
}

.svc-title {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
}

.svc-desc {
  font-size: 12px;
  color: var(--gray-600);
  line-height: 1.6;
}

/* ── PILLARS ── */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.pillar {
  padding: 2rem;
  border: 0.5px solid var(--gray-200);
  border-left: 2px solid var(--black);
  border-radius: 0;
}

.pillar-num {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--gray-400);
  letter-spacing: 0.1em;
  margin-bottom: 10px;
  display: block;
}

.pillar-title {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
}

.pillar-desc {
  font-size: 12px;
  color: var(--gray-600);
  line-height: 1.7;
}

/* ── TAGS ── */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--gray-800);
  background: var(--gray-100);
  border: 0.5px solid var(--gray-200);
  padding: 6px 14px;
  border-radius: 2px;
  letter-spacing: 0.02em;
}

/* ── PORTFOLIO ── */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}

.project-card {
  border: 0.5px solid var(--gray-200);
  padding: 2rem;
  transition: border-color 0.2s;
}

.project-card:hover { border-color: var(--black); }

.project-domain {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--gray-400);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.project-domain::before {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--gray-400);
  display: inline-block;
}

.project-title {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 10px;
  line-height: 1.4;
}

.project-desc {
  font-size: 13px;
  color: var(--gray-600);
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tech-pill {
  font-size: 11px;
  font-family: var(--font-mono);
  background: var(--gray-100);
  color: var(--gray-800);
  padding: 3px 10px;
  border-radius: 2px;
}

/* ── EXPERTISE PANEL ── */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--gray-200);
  border: 1px solid var(--gray-200);
  margin-bottom: 3rem;
}

.expertise-item {
  background: var(--white);
  padding: 1.75rem;
  text-align: center;
}

.exp-icon { font-size: 22px; color: var(--gray-600); margin-bottom: 10px; }
.exp-title { font-size: 13px; font-weight: 500; margin-bottom: 4px; }
.exp-years { font-size: 11px; font-family: var(--font-mono); color: var(--gray-400); }

/* ── CTA BAND ── */
.cta-band {
  background: var(--black);
  padding: 5rem 2.5rem;
  text-align: center;
}

.cta-band h2 {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 300;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.cta-band h2 strong { font-weight: 500; }

.cta-band p {
  font-size: 15px;
  color: var(--gray-400);
  margin-bottom: 2.5rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

.cta-band-btns {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-white {
  background: var(--white);
  color: var(--black);
  border: 1px solid var(--white);
}

.btn-white:hover { background: var(--gray-100); }

.btn-ghost {
  background: transparent;
  color: var(--gray-400);
  border: 1px solid var(--gray-600);
}

.btn-ghost:hover { border-color: var(--white); color: var(--white); }

/* ── CONTACT ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h3 { font-size: 18px; font-weight: 500; margin-bottom: 1rem; }
.contact-info p { font-size: 14px; color: var(--gray-600); line-height: 1.8; margin-bottom: 2rem; }

.contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--gray-600);
}

.contact-detail i { font-size: 16px; color: var(--black); }

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--gray-600);
  letter-spacing: 0.06em;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 0.5px solid var(--gray-200);
  border-radius: 3px;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--black);
  background: var(--white);
  transition: border-color 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--black); }

.form-group textarea { resize: vertical; min-height: 120px; }

/* ── FOOTER ── */
footer {
  background: var(--black);
  padding: 3rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-mark {
  width: 30px;
  height: 30px;
  background: var(--gray-800);
  border-radius: 3px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  padding: 5px;
}

.footer-mark span { background: var(--gray-400); border-radius: 1px; }
.footer-mark span.empty { background: transparent; }

.footer-copy {
  font-size: 11px;
  color: var(--gray-600);
  font-family: var(--font-mono);
}

.footer-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--white);
}

.footer-tagline {
  font-size: 11px;
  color: var(--gray-600);
  font-family: var(--font-mono);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 12px;
  color: var(--gray-600);
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--white); }

/* ── PAGE HEADER ── */
.page-header {
  padding: 4rem 2.5rem 3rem;
  border-bottom: 1px solid var(--gray-200);
  max-width: 1080px;
  margin: 0 auto;
}

.page-header h1 {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 300;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.page-header h1 strong { font-weight: 500; }

.page-header p {
  font-size: 15px;
  color: var(--gray-600);
  max-width: 520px;
  line-height: 1.8;
}

/* ── ABOUT ── */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  margin-bottom: 4rem;
}

.about-text h3 { font-size: 18px; font-weight: 500; margin-bottom: 1rem; }
.about-text p { font-size: 14px; color: var(--gray-600); line-height: 1.9; margin-bottom: 1rem; }

.about-facts { display: flex; flex-direction: column; gap: 12px; }

.fact {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 1rem;
  border: 0.5px solid var(--gray-200);
}

.fact-num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 400;
  color: var(--black);
  min-width: 60px;
}

.fact-label {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.6;
}

/* ── DIVIDER ── */
.divider {
  border: none;
  border-top: 1px solid var(--gray-200);
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-hamburger { display: flex; }

  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .stat { border-right: none; border-bottom: 1px solid var(--gray-200); }
  .stat:nth-child(odd) { border-right: 1px solid var(--gray-200); }

  .hero { padding: 3rem 1.5rem 2.5rem; }
  .section { padding: 3rem 1.5rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .about-intro { grid-template-columns: 1fr; gap: 2rem; }

  footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
}