/* SupportABA360 marketing site — authority palette from DESIGN_AUTHORITY.md */
:root {
  --navy: #002f71;
  --navy-deep: #001b42;
  --blue: #1150de;
  --blue-hover: #0d43b8;
  --green: #54ce27;
  --orange: #f86616;
  --magenta: #e616b0;
  --bg: #f7f9fc;
  --card: #ffffff;
  --border: #e5eaf2;
  --text: #1e293b;
  --text-muted: #64748b;
  --radius: 16px;
  --shadow: 0 12px 40px rgba(0, 47, 113, 0.08);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--navy);
}

.brand-link img {
  height: 40px;
  width: auto;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
}

.nav a {
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--blue);
}

.nav-actions {
  display: flex;
  gap: 0.65rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.15rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.15s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--blue);
  color: #fff;
}

.btn-primary:hover {
  background: var(--blue-hover);
  color: #fff;
}

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

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

/* Hero */
.hero {
  background: linear-gradient(160deg, var(--blue) 0%, var(--navy) 52%, var(--navy-deep) 100%);
  color: #fff;
  padding: 4.5rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: rgba(46, 196, 196, 0.12);
  top: -120px;
  right: -80px;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  margin: 0 0 1rem;
}

.hero .tagline {
  font-size: 1.2rem;
  opacity: 0.95;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.hero p.lead {
  font-size: 1.05rem;
  opacity: 0.9;
  max-width: 34rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.hero-card {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  padding: 1.5rem;
  backdrop-filter: blur(8px);
}

.hero-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-card li {
  padding: 0.45rem 0;
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
}

.hero-card li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  margin-top: 0.45rem;
  flex-shrink: 0;
}

/* Sections */
section {
  padding: 4rem 0;
}

.section-title {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto 2.5rem;
}

.section-title h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--navy);
  margin: 0 0 0.75rem;
}

.section-title p {
  color: var(--text-muted);
  margin: 0;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 0 0 0.5rem;
  color: var(--navy);
  font-size: 1.1rem;
}

.card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.card .icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
  font-size: 0.85rem;
}

.icon-blue {
  background: var(--blue);
}
.icon-green {
  background: var(--green);
}
.icon-orange {
  background: var(--orange);
}
.icon-magenta {
  background: var(--magenta);
}

.strip {
  background: var(--navy);
  color: #fff;
  padding: 3rem 0;
  text-align: center;
}

.strip p {
  margin: 0 auto;
  max-width: 42rem;
  opacity: 0.92;
}

/* Page hero (inner) */
.page-hero {
  background: linear-gradient(160deg, var(--blue) 0%, var(--navy) 100%);
  color: #fff;
  padding: 3rem 0;
}

.page-hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 3vw, 2.4rem);
}

.page-hero p {
  margin: 0;
  opacity: 0.9;
  max-width: 40rem;
}

/* Contact form */
form.contact-form {
  max-width: 520px;
  display: grid;
  gap: 1rem;
}

form.contact-form label {
  display: grid;
  gap: 0.35rem;
  font-weight: 500;
  font-size: 0.9rem;
}

form.contact-form input,
form.contact-form textarea,
form.contact-form select {
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font: inherit;
}

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

/* Footer */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.85);
  padding: 3rem 0 2rem;
  margin-top: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 1fr);
  gap: 2rem;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.85);
}

.site-footer a:hover {
  color: #fff;
}

.footer-col h4 {
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.7;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin-bottom: 0.45rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  margin-top: 2rem;
  padding-top: 1.25rem;
  font-size: 0.85rem;
  opacity: 0.7;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
}

.pricing-placeholder {
  text-align: center;
  padding: 3rem;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  background: var(--card);
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .nav {
    display: none;
  }
  .nav.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
  }
  .menu-toggle {
    display: inline-flex;
  }
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.4rem 0.65rem;
  font: inherit;
  cursor: pointer;
}