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

:root {
  --teal: #3DD9B3;
  --teal-dark: #2bbfa0;
  --blue: #4BC8D4;
  --navy: #3a3f52;
  --navy-light: #4a5068;
  --text: #333;
  --muted: #666;
  --green: #5cb85c;
  --green-dark: #4cae4c;
}

body {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  color: var(--text);
  background: #fff;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── NAV ── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 3rem;
  position: sticky;
  top: 0;
  background: #fff;
  z-index: 100;
  box-shadow: 0 1px 0 rgba(0,0,0,.06);
}

.logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
}
.logo svg { width: 44px; height: 44px; }
.logo-text {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: -.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  text-decoration: none;
  color: var(--navy);
  font-size: .95rem;
  font-weight: 500;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
}
.nav-links a:hover { color: var(--teal); }
.nav-links a.active {
  color: var(--teal);
  border-bottom-color: var(--teal);
}
.nav-links .btn-signup {
  border: none;
  padding: .5rem 1.25rem;
  background: var(--green);
  color: #fff;
  border-radius: 4px;
  transition: background .2s;
}
.nav-links .btn-signup:hover { background: var(--green-dark); border-bottom-color: transparent; color: #fff; }

/* ── BUTTONS ── */
.btn {
  display: inline-block;
  padding: .75rem 2rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  text-decoration: none;
  transition: .2s;
}
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-dark); }
.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn-white { background: #fff; color: var(--navy); }
.btn-white:hover { background: #f0f0f0; }

/* ── DECORATIVE TRIANGLES ── */
.tri {
  position: absolute;
  opacity: .18;
  pointer-events: none;
}
.tri svg { display: block; }

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5rem 3rem;
  overflow: hidden;
}
.hero-content { max-width: 600px; position: relative; z-index: 1; }
.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--navy);
  margin-bottom: 2rem;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero .tri-1 { top: 10%; left: 55%; }
.hero .tri-2 { bottom: 15%; left: 45%; opacity: .08; }
.hero .tri-3 { top: 40%; right: 5%; opacity: .12; }

/* ── SECTION SHARED ── */
section { padding: 5rem 3rem; position: relative; overflow: hidden; }

.section-label {
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--teal);
  margin-bottom: 1.5rem;
}
.section-label.dark { color: var(--navy); }

/* ── MISSION ── */
.mission { background: #f9f9f9; }
.mission p {
  max-width: 680px;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ── INDUSTRY FOCUS ── */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}
.industry-card {
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: 8px;
  padding: 2rem;
  transition: box-shadow .2s, transform .2s;
}
.industry-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,.08); transform: translateY(-3px); }
.industry-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--teal);
  margin-bottom: .75rem;
}
.industry-card p { font-size: .9rem; line-height: 1.65; color: var(--muted); }

/* ── PORTFOLIO ── */
.portfolio-section { background: #f9f9f9; }
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.portfolio-card {
  background: #fff;
  border-radius: 8px;
  padding: 2rem 1.5rem;
  text-align: center;
  border: 1px solid #e8e8e8;
  font-weight: 600;
  color: var(--navy);
  font-size: .95rem;
  transition: box-shadow .2s;
}
.portfolio-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,.08); }
.portfolio-empty {
  color: var(--muted);
  font-size: .95rem;
  margin-top: 1rem;
}

/* ── CTA BAND ── */
.cta-band {
  text-align: center;
  padding: 4rem 3rem;
  background: #fff;
}
.cta-band p {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 1.5rem;
}

/* ── FOOTER ── */
footer {
  background: var(--navy);
  color: #fff;
  margin-top: auto;
}
.footer-network {
  text-align: center;
  padding: 4rem 3rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-network h2 { font-size: 1.6rem; font-weight: 700; margin-bottom: .5rem; }
.footer-network p { font-size: .95rem; opacity: .75; margin-bottom: 2rem; }
.footer-network-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  max-width: 900px;
  margin: 0 auto 2rem;
}
.footer-network-card {
  background: rgba(255,255,255,.07);
  border-radius: 6px;
  padding: 1.25rem;
  font-size: .85rem;
  opacity: .85;
  line-height: 1.55;
}
.newsletter-form {
  display: flex;
  justify-content: center;
  gap: .75rem;
  flex-wrap: wrap;
  max-width: 480px;
  margin: 0 auto;
}
.newsletter-form input {
  flex: 1;
  min-width: 200px;
  padding: .7rem 1rem;
  border: none;
  border-radius: 4px;
  font-family: inherit;
  font-size: .9rem;
}
.newsletter-form button {
  padding: .7rem 1.5rem;
  background: var(--teal);
  color: #fff;
  border: none;
  border-radius: 4px;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s;
}
.newsletter-form button:hover { background: var(--teal-dark); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 3rem;
  font-size: .8rem;
  opacity: .5;
  flex-wrap: wrap;
  gap: .5rem;
}

/* ── PAGE HEADER ── */
.page-header {
  padding: 4rem 3rem 2rem;
  position: relative;
  overflow: hidden;
}
.page-header h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--teal);
}
.page-header .tri { top: 10px; left: 260px; opacity: .12; }

/* ── REQUIREMENTS ── */
.requirements-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.req-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 2rem;
  padding: 3rem 0;
  border-bottom: 1px solid #eee;
  align-items: start;
}
.req-item:last-child { border-bottom: none; }
.req-icon {
  display: flex;
  justify-content: center;
  padding-top: .25rem;
  color: var(--blue);
}
.req-icon svg { width: 48px; height: 48px; }
.req-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--blue);
  margin-bottom: .75rem;
}
.req-content p {
  font-size: .95rem;
  line-height: 1.7;
  color: var(--muted);
  max-width: 560px;
}

/* ── ABOUT ── */
.about-content {
  max-width: 720px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted);
}
.about-content p { margin-bottom: 1.25rem; }
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.team-card {
  text-align: center;
  padding: 1.5rem;
  border: 1px solid #eee;
  border-radius: 8px;
}
.team-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--teal);
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
}
.team-card h4 { font-size: .95rem; font-weight: 600; color: var(--navy); }
.team-card p { font-size: .8rem; color: var(--muted); margin-top: .25rem; }

/* ── SIGNUP FORM ── */
.signup-section { max-width: 560px; }
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: .4rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: .75rem 1rem;
  border: 1.5px solid #ddd;
  border-radius: 4px;
  font-family: inherit;
  font-size: .95rem;
  transition: border-color .2s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--teal);
}
.form-group textarea { resize: vertical; min-height: 100px; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { gap: 1.25rem; }
  .nav-links a { font-size: .85rem; }
  section, .hero, .page-header { padding-left: 1.5rem; padding-right: 1.5rem; }
  .hero { min-height: 70vh; }
  .req-item { grid-template-columns: 1fr; gap: 1rem; }
  .footer-bottom { padding: 1.25rem 1.5rem; }
  .footer-network { padding: 3rem 1.5rem; }
  .newsletter-form { flex-direction: column; }
}

@media (max-width: 520px) {
  .nav-links { gap: .85rem; }
  .logo-text { display: none; }
}