/* BIZHive product site — brand palette aligned with DigiSigner proposal */
:root {
  --navy: #0b2b3a;
  --teal: #0e7c7b;
  --teal-light: #14a3a1;
  --accent: #e8a838;
  --off-white: #f5f7f8;
  --charcoal: #1f2a30;
  --slate: #4a5a63;
  --soft-teal: #d8efee;
  --line: #c5d0d4;
  --white: #ffffff;
  --max: 1120px;
  --font: "Segoe UI", "Candara", "Calibri", "Trebuchet MS", sans-serif;
  --display: "Segoe UI Semibold", "Segoe UI", "Candara", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--charcoal);
  background: var(--off-white);
  line-height: 1.55;
}

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

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

a:hover {
  color: var(--navy);
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  background: var(--navy);
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 3px solid var(--teal);
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.25rem;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  color: var(--white);
}

.brand:hover {
  color: var(--white);
}

.brand-mark {
  font-family: var(--display);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
}

.brand-mark span {
  color: var(--teal-light);
}

.brand-sub {
  font-size: 0.72rem;
  color: var(--soft-teal);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  align-items: center;
}

.nav a {
  color: var(--off-white);
  font-size: 0.95rem;
  font-weight: 600;
}

.nav a:hover,
.nav a.active {
  color: var(--teal-light);
}

.nav .btn-nav {
  background: var(--teal);
  color: var(--white);
  padding: 0.45rem 0.9rem;
  border-radius: 4px;
}

.nav .btn-nav:hover {
  background: var(--teal-light);
  color: var(--navy);
}

/* Hero */
.hero {
  position: relative;
  background:
    linear-gradient(115deg, rgba(11, 43, 58, 0.96) 0%, rgba(11, 43, 58, 0.88) 48%, rgba(14, 124, 123, 0.55) 100%),
    radial-gradient(circle at 80% 20%, rgba(232, 168, 56, 0.25), transparent 40%),
    var(--navy);
  color: var(--white);
  overflow: hidden;
  min-height: min(78vh, 640px);
  display: flex;
  align-items: center;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 120px;
  background: linear-gradient(to top, var(--off-white), transparent);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
  padding: 3.5rem 0 4.5rem;
  position: relative;
  z-index: 1;
}

.eyebrow {
  color: var(--teal-light);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin: 0 0 0.75rem;
}

.hero h1 {
  font-family: var(--display);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.05;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.hero h1 .tm {
  font-size: 0.45em;
  vertical-align: super;
  color: var(--teal-light);
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--off-white);
  max-width: 34rem;
  margin: 0 0 1.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.hero-meta {
  font-size: 0.9rem;
  color: var(--soft-teal);
}

.hero-visual {
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.04);
  padding: 0.6rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.hero-visual img {
  width: 100%;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.2rem;
  border-radius: 4px;
  font-weight: 700;
  border: 2px solid transparent;
  transition: 0.2s ease;
}

.btn-primary {
  background: var(--teal);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--teal-light);
  color: var(--navy);
}

.btn-secondary {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--white);
}

.btn-secondary:hover {
  border-color: var(--white);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.btn-dark {
  background: var(--navy);
  color: var(--white);
}

.btn-dark:hover {
  background: var(--teal);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  border-color: var(--teal);
  color: var(--teal);
}

.btn-outline:hover {
  background: var(--teal);
  color: var(--white);
}

/* Sections */
.section {
  padding: 3.5rem 0;
}

.section-tight {
  padding: 2.5rem 0;
}

.section-head {
  margin-bottom: 1.75rem;
  max-width: 44rem;
}

.section-head h2 {
  font-family: var(--display);
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  color: var(--navy);
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0;
  color: var(--slate);
  font-size: 1.05rem;
}

.panel {
  background: var(--white);
  border: 1px solid var(--line);
}

.panel-accent {
  border-left: 4px solid var(--teal);
}

.muted {
  color: var(--slate);
}

.kicker {
  color: var(--teal);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 0.4rem;
}

/* Product cards — interaction containers */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}

.card-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.card-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.product-card {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.25rem 1.25rem 1.35rem;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.product-card:hover {
  border-color: var(--teal);
  transform: translateY(-2px);
}

.product-card .cat {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--teal);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.55rem;
}

.product-card h3 {
  margin: 0 0 0.45rem;
  color: var(--navy);
  font-size: 1.2rem;
}

.product-card p {
  margin: 0 0 1rem;
  color: var(--slate);
  flex: 1;
}

.product-card .card-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.badge {
  display: inline-block;
  background: var(--soft-teal);
  color: var(--navy);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

/* Feature / content blocks */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.feature {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--teal);
  padding: 1.1rem;
}

.feature h3 {
  margin: 0 0 0.4rem;
  color: var(--navy);
  font-size: 1.05rem;
}

.feature p {
  margin: 0;
  color: var(--slate);
  font-size: 0.95rem;
}

.steps {
  display: grid;
  gap: 0.75rem;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1rem 1.1rem;
}

.step-num {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  background: var(--teal);
  color: var(--white);
  display: grid;
  place-items: center;
  font-weight: 700;
}

.step h3 {
  margin: 0 0 0.25rem;
  color: var(--navy);
}

.step p {
  margin: 0;
  color: var(--slate);
}

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
}

.media-frame {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 0.5rem;
}

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

.doc-code {
  background: var(--white);
  border: 1px solid var(--line);
  overflow: hidden;
}

.doc-code .code {
  background: var(--teal);
  color: var(--white);
  font-weight: 700;
  font-size: 1.3rem;
  text-align: center;
  padding: 0.7rem;
  letter-spacing: 0.06em;
}

.doc-code .body {
  padding: 1rem;
}

.doc-code h3 {
  margin: 0 0 0.4rem;
  color: var(--navy);
  font-size: 1.05rem;
}

.doc-code p {
  margin: 0;
  color: var(--slate);
  font-size: 0.95rem;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.9rem;
}

.pillar {
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--teal);
  padding: 1rem;
}

.pillar h3 {
  margin: 0 0 0.6rem;
  color: var(--navy);
  font-size: 1rem;
}

.pillar ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--slate);
}

.pillar li + li {
  margin-top: 0.25rem;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.9rem;
}

.benefit {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1rem;
  text-align: center;
}

.benefit .title {
  display: inline-block;
  background: var(--teal);
  color: var(--white);
  font-weight: 700;
  padding: 0.35rem 0.8rem;
  margin-bottom: 0.75rem;
}

.benefit p {
  margin: 0;
  color: var(--slate);
  font-size: 0.92rem;
}

.list-check {
  margin: 0;
  padding: 0;
  list-style: none;
}

.list-check li {
  position: relative;
  padding: 0.55rem 0 0.55rem 1.6rem;
  border-bottom: 1px solid var(--line);
  color: var(--slate);
}

.list-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1rem;
  width: 0.7rem;
  height: 0.7rem;
  background: var(--teal);
  border-radius: 2px;
}

.company-band {
  background: linear-gradient(135deg, var(--navy), #134455 55%, var(--teal));
  color: var(--white);
}

.company-band h2 {
  color: var(--white);
  margin: 0 0 0.6rem;
}

.company-band p {
  color: var(--soft-teal);
  max-width: 48rem;
}

.company-band .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.75rem;
  margin-top: 1.25rem;
  font-size: 0.95rem;
}

.page-hero {
  background: var(--navy);
  color: var(--white);
  padding: 2.5rem 0 2.2rem;
  border-bottom: 3px solid var(--teal);
}

.page-hero h1 {
  margin: 0 0 0.5rem;
  font-family: var(--display);
  font-size: clamp(1.9rem, 3.5vw, 2.6rem);
}

.page-hero p {
  margin: 0;
  color: var(--soft-teal);
  max-width: 42rem;
  font-size: 1.05rem;
}

/* Forms */
.form-panel {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.5rem;
  max-width: 640px;
}

.form-row {
  margin-bottom: 1rem;
}

.form-row label {
  display: block;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.35rem;
  font-size: 0.92rem;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  border: 1px solid var(--line);
  padding: 0.7rem 0.8rem;
  font: inherit;
  color: var(--charcoal);
  background: var(--white);
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: 2px solid var(--soft-teal);
  border-color: var(--teal);
}

.form-note {
  font-size: 0.9rem;
  color: var(--slate);
  margin-top: 0.75rem;
}

.alert {
  padding: 0.85rem 1rem;
  margin-bottom: 1rem;
  border: 1px solid var(--line);
}

.alert-ok {
  background: var(--soft-teal);
  border-color: var(--teal);
  color: var(--navy);
}

.alert-err {
  background: #fff2f0;
  border-color: #e08a80;
  color: #7a2e26;
}

.contact-aside {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.4rem;
}

.contact-aside h2 {
  margin: 0 0 0.75rem;
  color: var(--navy);
  font-size: 1.2rem;
}

.contact-aside p {
  margin: 0 0 0.6rem;
  color: var(--slate);
}

/* Footer */
.site-footer {
  background: var(--navy);
  color: var(--soft-teal);
  padding: 2.5rem 0 1.5rem;
  margin-top: 1rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 1.75rem;
}

.site-footer h3 {
  color: var(--white);
  margin: 0 0 0.7rem;
  font-size: 1rem;
}

.site-footer a {
  color: var(--soft-teal);
}

.site-footer a:hover {
  color: var(--white);
}

.footer-links {
  display: grid;
  gap: 0.4rem;
}

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

.tm-note {
  font-size: 0.82rem;
  color: var(--slate);
}

/* Motion */
@media (prefers-reduced-motion: no-preference) {
  .hero-grid > *:first-child {
    animation: rise 0.7s ease both;
  }

  .hero-visual {
    animation: rise 0.9s 0.1s ease both;
  }

  .product-card,
  .feature,
  .benefit,
  .pillar {
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  }

  .product-card:hover,
  .feature:hover,
  .benefit:hover,
  .pillar:hover {
    box-shadow: 0 10px 24px rgba(11, 43, 58, 0.08);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid,
  .split,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .card-grid,
  .feature-grid,
  .doc-codes,
  .pillars,
  .benefit-grid,
  .card-grid-4 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .site-header .inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 0.85rem 0;
  }

  .card-grid,
  .feature-grid,
  .doc-codes,
  .pillars,
  .benefit-grid,
  .card-grid-2,
  .card-grid-4 {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }
}