:root {
  --bg: #ffffff;
  --bg-2: #f8fafc;
  --surface: #f1f5f9;
  --card: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --primary: #3b82f6;
  --primary-600: #2563eb;
  --accent: #10b981;
  --chip: #e2e8f0;
  --shadow: 0 10px 30px rgba(0,0,0,.1);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 600px at 70% -10%, #e0f2fe 0%, transparent 60%),
              radial-gradient(800px 400px at 0% 0%, #f0f9ff 0%, transparent 60%),
              var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  width: min(1120px, 90vw);
  margin-inline: auto;
}

.skip-link {
  position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden;
}
.skip-link:focus { left: 1rem; top: 1rem; width: auto; height: auto; background: var(--primary-600); color: white; padding: .5rem .75rem; border-radius: 6px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0,0,0,.08);
}
.nav-row { display: flex; align-items: center; justify-content: space-between; padding: .9rem 0; }

.logo { display: inline-flex; align-items: center; gap: .5rem; text-decoration: none; color: var(--text); font-weight: 700; }
.logo-mark { font-size: 1.25rem; }
.logo-text { letter-spacing: .2px; }

.nav { position: relative; }
.nav-list { display: flex; align-items: center; gap: 1.25rem; list-style: none; margin: 0; padding: 0; }
.nav-list a { color: var(--text); text-decoration: none; font-weight: 500; opacity: .9; }
.nav-list a:hover { opacity: 1; }

.nav-toggle { display: none; background: none; border: 0; padding: .25rem; cursor: pointer; }
.nav-toggle .bar { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; border-radius: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* Hero */
.hero { position: relative; isolation: isolate; padding: 8rem 0 6rem; overflow: hidden; }
.hero-bg { position: absolute; inset: -10% -10% 0; z-index: -1; background:
  radial-gradient(600px 300px at 20% -10%, rgba(59,130,246,.15), transparent 60%),
  radial-gradient(500px 400px at 80% 10%, rgba(16,185,129,.12), transparent 60%);
  filter: blur(10px);
}
.hero-inner { text-align: center; }
.hero-title { font-size: clamp(2rem, 3.6vw + .8rem, 3.2rem); line-height: 1.08; margin: 0 0 1rem; }
.hero-subtitle { color: var(--muted); font-size: clamp(1rem, 1.2vw + .8rem, 1.25rem); margin: 0 auto 1.5rem; max-width: 52ch; }
.hero-ctas { display: inline-flex; gap: .75rem; flex-wrap: wrap; justify-content: center; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; text-decoration: none; font-weight: 600; color: white; background: var(--primary-600); padding: .65rem 1rem; border-radius: 10px; box-shadow: var(--shadow); border: 1px solid rgba(0,0,0,.08); }
.btn:hover { transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid rgba(0,0,0,.18); box-shadow: none; backdrop-filter: blur(6px); }
.btn-sm { padding: .45rem .7rem; border-radius: 8px; font-weight: 600; }
.btn-lg { padding: .8rem 1.1rem; }

/* Logos strip */
.logos { border-top: 1px solid rgba(0,0,0,.08); border-bottom: 1px solid rgba(0,0,0,.08); background: linear-gradient(180deg, rgba(0,0,0,.02), rgba(0,0,0,0)); }
.logos-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; padding: 1rem 0; align-items: center; justify-content: center; max-width: 400px; margin: 0 auto; }
.logo-badge { height: 150px; display: grid; place-items: center; border-radius: 8px; background: var(--chip); color: var(--muted); font-weight: 700; letter-spacing: .8px; }

/* Sections */
.section { padding: 4rem 0; }
.section-alt { background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0)); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.25rem; }
.section-head h2 { margin: 0; font-size: clamp(1.4rem, 2vw + .6rem, 2rem); }
.link { color: var(--primary); text-decoration: none; }
.link:hover { text-decoration: underline; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }

.card { background: var(--card); border: 1px solid rgba(0,0,0,.08); padding: 1.1rem; border-radius: 14px; box-shadow: var(--shadow); }
.card h3 { margin-top: 0; }

/* Portfolio */
.portfolio-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.company { display: grid; grid-template-columns: 56px 1fr; gap: .9rem; align-items: center; padding: .9rem; background: var(--card); border: 1px solid rgba(0,0,0,.08); border-radius: 14px; box-shadow: var(--shadow); }
.company-logo { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 12px; background: linear-gradient(180deg, #e2e8f0, #cbd5e1); font-weight: 800; color: #475569; border: 1px solid rgba(0,0,0,.08); }
.company-body h3 { margin: 0 0 .25rem; }
.chip { display: inline-block; padding: .25rem .5rem; border-radius: 999px; background: var(--chip); color: var(--muted); font-size: .85rem; }

/* Posts */
.cards .post { background: var(--card); border: 1px solid rgba(0,0,0,.08); padding: 1.1rem; border-radius: 14px; box-shadow: var(--shadow); }
.cards .post h3 { margin-top: 0; }

/* Team */
.team-grid .person { text-align: center; background: var(--card); border: 1px solid rgba(0,0,0,.08); padding: 1.25rem; border-radius: 14px; box-shadow: var(--shadow); }
.avatar { width: 72px; height: 72px; margin: 0 auto .6rem; border-radius: 18px; background: linear-gradient(180deg, #e2e8f0, #cbd5e1); display: grid; place-items: center; font-weight: 800; color: #475569; border: 1px solid rgba(0,0,0,.08); }

/* Contact CTA */
.contact { text-align: center; }
.contact-inner { background: linear-gradient(180deg, rgba(16,185,129,.06), rgba(59,130,246,.06)); border: 1px solid rgba(0,0,0,.08); border-radius: 20px; padding: 2rem; box-shadow: var(--shadow); }
.muted { color: var(--muted); }

/* Form Styles */
.form-container {
  max-width: 500px;
  width: 90%;
  margin: 0 auto;
}

.auth-form {
  background: var(--card);
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 14px;
  padding: 2rem;
  box-shadow: var(--shadow);
  width: 100%;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text);
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid rgba(0,0,0,.18);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--bg);
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group input::placeholder {
  color: var(--muted);
}

.auth-form .btn {
  width: 100%;
  margin-top: 0.5rem;
  min-height: 48px; /* Better touch target */
}

/* Mobile-specific form improvements */
@media (max-width: 720px) {
  .form-container {
    max-width: 100%;
    width: 95%;
    padding: 0 0.5rem;
  }
  
  .auth-form {
    padding: 1.25rem;
    border-radius: 12px;
    width: 100%;
  }
  
  .form-group {
    margin-bottom: 1.25rem;
  }
  
  .form-group input,
  .form-group select {
    padding: 1rem;
    font-size: 16px; /* Prevents zoom on iOS */
    border-radius: 10px;
    width: 100%;
    box-sizing: border-box;
  }
  
  .form-group label {
    font-size: 0.95rem;
    margin-bottom: 0.4rem;
  }
  
  .auth-form .btn {
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    min-height: 52px; /* Larger touch target on mobile */
    width: 100%;
  }
  
  .section-head h2 {
    font-size: 1.6rem;
  }
  
  .section-head .muted {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .form-container {
    width: 98%;
    padding: 0 0.25rem;
  }
  
  .auth-form {
    padding: 1rem;
    border-radius: 10px;
  }
  
  .form-group input,
  .form-group select {
    padding: 0.875rem;
    font-size: 16px;
  }
  
  .auth-form .btn {
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    min-height: 48px;
  }
  
  .form-group {
    margin-bottom: 1rem;
  }
}

/* Footer */
.site-footer { border-top: 1px solid rgba(0,0,0,.08); padding: 2rem 0 3rem; background: rgba(0,0,0,.02); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 1rem; align-items: start; }
.footer-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .4rem; }
.copyright { margin-top: 1.5rem; color: var(--muted); text-align: center; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(10px); transition: opacity .6s ease, transform .6s ease; }
.reveal.revealed { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 980px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .portfolio-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav-toggle { display: inline-block; }
  .nav-list { position: absolute; right: 0; top: 110%; flex-direction: column; gap: .5rem; background: rgba(255,255,255,.95); border: 1px solid rgba(0,0,0,.08); padding: .75rem; border-radius: 12px; min-width: 220px; visibility: hidden; opacity: 0; transform: translateY(-6px); transition: all .2s ease; }
  .nav.open .nav-list { visibility: visible; opacity: 1; transform: translateY(0); }
  .logos-row { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .grid-3, .footer-grid { grid-template-columns: 1fr; }
}