:root {
  --primary: #2C2F44;
  --primary-hover: #1F2233;
  --secondary: #D0D2DE;
  --white: #FFFFFF;
  --bg: #FFFFFF;
  --card-border: #E5E6EF;
  --text: #1F1F1F;
  --text-sec: #6B6F80;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
::selection { background: rgba(44,47,68,0.12); }
body { font-family: 'Open Sans', sans-serif; color: var(--text); background: var(--bg); }
h1, h2, h3, h4 { font-family: 'Montserrat', sans-serif; }

/* Fade animation */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s cubic-bezier(0.16,1,0.3,1), transform 0.55s cubic-bezier(0.16,1,0.3,1);
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* Buttons */
.btn-p {
  background: var(--primary); color: var(--white); border: none;
  padding: 13px 30px; border-radius: 6px; font-size: 15px; font-weight: 600;
  cursor: pointer; font-family: 'Montserrat', sans-serif;
  transition: all 0.25s; display: inline-flex; align-items: center; gap: 8px;
  text-decoration: none;
}
.btn-p:hover { background: var(--primary-hover); }

.btn-s {
  background: transparent; color: var(--primary);
  border: 1px solid var(--primary); padding: 12px 30px; border-radius: 6px;
  font-size: 15px; font-weight: 600; cursor: pointer;
  font-family: 'Montserrat', sans-serif; transition: all 0.25s;
  text-decoration: none;
}
.btn-s:hover { background: var(--primary); color: var(--white); }

/* Cards */
.card {
  background: var(--white); border: 1px solid var(--card-border);
  border-radius: 10px; box-shadow: 0px 6px 20px rgba(0,0,0,0.05);
  transition: all 0.3s ease;
}
.card:hover { transform: translateY(-5px); box-shadow: 0 12px 32px rgba(0,0,0,0.08); }

/* Navigation */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: all 0.35s; padding: 16px 0;
}
.nav.scrolled {
  background: rgba(44,47,68,0.94); backdrop-filter: blur(12px); padding: 10px 0;
}
.nav-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 8px; text-decoration: none; }
.nav-logo img { width: 52px; height: 52px; object-fit: contain; }
.nav-logo span {
  font-family: 'Montserrat', sans-serif; font-weight: 700;
  font-size: 15px; color: var(--white); letter-spacing: 1.5px;
}
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-link {
  color: var(--white); font-size: 13px; font-family: 'Montserrat', sans-serif;
  font-weight: 500; text-decoration: none; position: relative; transition: color 0.25s;
}
.nav-link::after {
  content: ''; position: absolute; bottom: -3px; left: 0;
  width: 0; height: 1.5px; background: var(--white); transition: width 0.25s;
}
.nav-link:hover::after { width: 100%; }

/* Labels */
.label {
  font-size: 12px; color: var(--text-sec); font-family: 'Montserrat', sans-serif;
  font-weight: 600; letter-spacing: 2.5px; text-transform: uppercase;
}
.label-light { color: var(--secondary); }

/* Layout */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.grid-5 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 48px; align-items: center; }

/* Methodology steps */
.step-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 32px; }
.step-card { position: relative; transition: all 0.35s ease; }
.step-card:hover { transform: translateY(-6px); }
.step-num {
  width: 48px; height: 48px; border-radius: 50%;
  border: 2px solid var(--primary); display: flex; align-items: center;
  justify-content: center; font-family: 'Montserrat', sans-serif;
  font-size: 16px; font-weight: 700; color: var(--primary);
  margin-bottom: 20px; transition: all 0.35s;
}
.step-card:hover .step-num { background: var(--primary); color: var(--white); }
.step-line {
  width: 2px; height: 24px; background: var(--secondary);
  margin-bottom: 16px; border-radius: 1px; transition: all 0.35s;
}
.step-card:hover .step-line { background: var(--primary); }

/* Differentiators */
.diff-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 6px; transition: all 0.25s;
}
.diff-item:hover { background: rgba(208,210,222,0.3); transform: translateX(4px); }

/* Industry pills */
.pill {
  padding: 10px 22px; font-size: 14px; font-weight: 500;
  color: var(--primary); cursor: default; transition: all 0.25s;
}
.pill:hover {
  background: var(--primary) !important; color: var(--white) !important;
  border-color: var(--primary) !important;
}

/* Hero grid pattern */
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 70px 70px;
}

/* Hamburger */
.hamburger {
  display: none; background: none; border: none; cursor: pointer;
  padding: 8px; flex-direction: column; gap: 5px; z-index: 101;
}
.hamburger span {
  display: block; width: 22px; height: 2px; background: var(--white);
  border-radius: 1px; transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile menu */
.mobile-menu {
  display: none; position: absolute; top: 100%; left: 0; right: 0;
  background: rgba(44,47,68,0.97); backdrop-filter: blur(16px);
  padding: 24px; flex-direction: column; gap: 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  color: var(--white); font-size: 15px; font-family: 'Montserrat', sans-serif;
  font-weight: 500; text-decoration: none; padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06); transition: color 0.25s;
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--secondary); }

/* Founder */
.founder-card {
  display: flex; gap: 40px; align-items: flex-start;
  background: var(--white); border: 1px solid var(--card-border);
  border-radius: 10px; box-shadow: 0px 6px 20px rgba(0,0,0,0.05);
  padding: 40px;
}
.founder-img-wrap { flex-shrink: 0; }
.founder-img {
  width: 160px; height: 160px; border-radius: 10px; object-fit: cover;
  border: 3px solid var(--card-border);
}
.founder-content { flex: 1; }
.founder-quote {
  font-size: 15px; color: var(--text); line-height: 1.85;
  margin: 0; padding-left: 20px; border-left: 3px solid var(--primary);
}

/* Contact Form */
.contact-form { display: flex; flex-direction: column; gap: 14px; }
.form-group { width: 100%; }
.form-input {
  width: 100%; padding: 14px 16px; border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.15); background: rgba(255,255,255,0.08);
  color: var(--white); font-size: 14px; font-family: 'Open Sans', sans-serif;
  transition: all 0.25s; outline: none;
}
.form-input::placeholder { color: rgba(255,255,255,0.4); }
.form-input:focus { border-color: rgba(255,255,255,0.4); background: rgba(255,255,255,0.12); }
.form-textarea { resize: vertical; min-height: 100px; }
.form-submit:hover { background: var(--secondary) !important; }

/* Responsive — single media query */
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .hide-m { display: none !important; }
  .step-grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
  .grid-2 { grid-template-columns: 1fr; }
  h1 { font-size: 32px !important; }
  h2 { font-size: 28px !important; }
  .founder-card { flex-direction: column; align-items: center; text-align: center; padding: 28px; }
  .founder-img { width: 120px; height: 120px; }
  .founder-quote { border-left: none; padding-left: 0; border-top: 3px solid var(--primary); padding-top: 20px; }
}