/* Design tokens (from Figma, aligned with previous files) */
:root {
  --brand: #008280;
  --brand-bright: #00C9C5;
  --ink: #0F0F0F;
  --bg-deep: #04182F;
  --footer-bg: #008280;
  --muted: rgba(0,0,0,.50);
  --surface: #ffffff;
  --band: rgba(0,130,128,.04);
  --radius: 10px;
}

/* Base */
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: Poppins, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--surface);
}
img { max-width: 100%; display: block; }
.container { width: min(1440px, 100% - 2*24px); margin-inline: auto; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--surface);
  box-shadow: 0 1px 0 rgba(0,0,0,.06);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}
.logo-box { width: 158px; height: 35px; background: var(--brand); border-radius: 4px; }
.menu { display: flex; align-items: center; }
.menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 56px;
}
.menu li { position: relative; }
.menu a {
  color: var(--ink);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  padding-bottom: 10px;
}
.menu a.active {
  color: var(--brand);
  border-bottom: 3px solid var(--brand);
}
.menu .submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--surface);
  border: 1px solid rgba(0,0,0,.1);
  border-radius: 6px;
  min-width: 200px;
  padding: 10px 0;
  box-shadow: 0 4px 12px rgba(0,0,0,.1);
  z-index: 1000;
}
.menu .submenu li { padding: 0; }
.menu .submenu a {
  display: block;
  padding: 8px 16px;
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.menu .submenu a:hover {
  background: rgba(0,130,128,0.08);
  color: var(--brand);
}
.menu li.has-submenu:hover > .submenu { display: block; }

/* Mobile Menu Styles */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 50;
}
.hamburger {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--brand);
  position: relative;
  transition: background 0.2s ease-out;
}
.hamburger::before,
.hamburger::after {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: var(--brand);
  position: absolute;
  transition: all 0.2s ease-out;
}
.hamburger::before { top: -6px; }
.hamburger::after { top: 6px; }
.menu-toggle.active .hamburger { background: transparent; }
.menu-toggle.active .hamburger::before {
  transform: rotate(45deg);
  top: 0;
}
.menu-toggle.active .hamburger::after {
  transform: rotate(-45deg);
  top: 0;
}

/* Hero */
.hero { position: relative; background: var(--bg-deep); color: #fff; }
.hero-bg { position: relative; height: 430px; overflow: hidden; }
.hero-bg img {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  opacity: 0.25;
}
.hero-glow {
  position: absolute;
  right: -10%;
  top: 0;
  width: 70vw;
  height: 70vw;
  border-radius: 9999px;
  background: radial-gradient(ellipse 55% 55% at 50% 50%, var(--brand) 0%, rgba(0,130,128,0) 80%);
  filter: blur(1px);
}
.hero-inner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
}
.hero-copy {
  max-width: 735px;
  padding-left: 24px;
  gap: 10px;
  display: flex;
  flex-direction: column;
}

/* Intro */
.intro { padding: 60px 0; background: var(--band); }
.intro p { max-width: 800px; margin-left: auto; margin-right: auto; }

/* Two-column */
.two-column { padding: 60px 0; }

/* Features grid */
.features-section { padding: 60px 0; background: var(--band); }
.features-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 50px;
}
.feature-item {
  display: flex;
  gap: 30px;
}
.icon-box {
  width: 80px;
  height: 80px;
  min-width: 80px;
  min-height: 80px;
  border-radius: 16px;
  background: rgba(0,130,128,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Playbook */
.playbook { padding: 60px 0; }
.form-mock {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 30px;
  background: rgba(177,229,226,0.3);
  border-radius: 20px;
}
.btn {
  display: inline-block;
  background: linear-gradient(41deg, #00908E 0%, #00CFCC 100%);
  color: #fff;
  text-decoration: none;
  padding: 14px 34px;
  border-radius: 999px;
  font-weight: 600;
  text-align: center;
  outline: 1px solid #00D1CE;
}

/* Case studies */
.case-studies { padding: 60px 0; background: var(--band); }
.case-grid {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}
.case-item {
  display: flex;
  gap: 16px;
  align-items: center;
}

/* Industries */
.industries { padding: 60px 0; }
.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
}
.industry-item {
  border: 1px solid rgba(0,0,0,.1);
  border-radius: 16px;
  overflow: hidden;
}

/* CTA */
.cta { background: var(--bg-deep); color: #fff; padding: 54px 0; }
.cta-inner {
  display: grid;
  place-items: center;
  text-align: center;
  gap: 12px;
}
.cta p { max-width: 800px; }

/* Footer */
.site-footer { background: var(--footer-bg); color: #fff; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 3fr 1.5fr;
  gap: 24px;
  padding: 36px 0;
}
.logo-footer { width: 140px; height: 32px; }
.footer-col h5 { margin: 0 0 8px; }
.footer-col p { margin: 0 0 10px; }
.links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.links a {
  color: #fff;
  text-decoration: none;
  font-size: 14px;
}
.links a:hover { text-decoration: underline; }
.social {
  margin-top: 14px;
  display: flex;
  gap: 12px;
}
.social a img {
  transition: transform 0.2s ease;
}
.social a:hover img { transform: scale(1.1); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 20px 0;
}
.footer-bottom small { opacity: 0.9; }

/* Responsive */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .menu {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 80%;
    max-width: 320px;
    height: 100%;
    background: var(--surface);
    box-shadow: -4px 0 12px rgba(0,0,0,.1);
    padding: 20px;
    z-index: 40;
  }
  .menu.active { display: block; }
  .menu ul {
    flex-direction: column;
    gap: 0;
  }
  .menu li { width: 100%; }
  .menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(0,0,0,.06);
  }
  .menu li.has-submenu:hover > .submenu { display: none; }
  .menu li.has-submenu .submenu-toggle::after {
    content: "";
    width: 12px;
    height: 12px;
    background: currentColor;
    mask: url('data:image/svg+xml;utf8,<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M6 9l6 6 6-6" fill="currentColor"/></svg>') no-repeat center/contain;
    display: inline-block;
    margin-left: 8px;
    transition: transform 0.2s;
    opacity: 0.6;
  }
  .menu li.has-submenu.active .submenu-toggle::after { transform: rotate(180deg); }
  .menu .submenu {
    position: static;
    border: none;
    box-shadow: none;
    padding: 0;
    display: none;
    background: rgba(0,0,0,.02);
  }
  .menu .submenu.active { display: block; }
  .menu .submenu a {
    padding: 10px 32px;
    font-size: 13px;
    border-bottom: 1px solid rgba(0,0,0,.04);
  }
  .hero-copy { padding: 16px; }
  .intro { padding: 40px 16px; }
  .two-column { padding: 40px 16px; }
  .features-section { padding: 40px 16px; }
  .playbook { padding: 40px 16px; }
  .case-studies { padding: 40px 16px; }
  .industries { padding: 40px 16px; }
  .cta { padding: 40px 16px; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .hero h1 { font-size: 28px; }
}