/* Berthline — Los Angeles Local Logistics Coordination */

:root {
  --navy: #122A44;
  --navy-deep: #0C1D31;
  --offwhite: #F7F7F4;
  --white: #FFFFFF;
  --steel: #5A6572;
  --accent: #C8552C;
  --accent-dark: #9F4020;
  --line: #D4D8DC;
  --lightgray: #ECEFED;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans CJK TC", "Microsoft JhengHei", sans-serif;
  background: var(--offwhite);
  color: var(--navy);
  font-size: 16px;
  line-height: 1.6;
}

a {
  color: inherit;
}

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 80px;
}

.wordmark {
  text-decoration: none;
  color: var(--navy);
  line-height: 1.15;
  display: inline-block;
}

.wordmark strong {
  display: block;
  font-size: 1.45rem;
  letter-spacing: 0.09em;
}

.wordmark span {
  display: block;
  margin-top: 3px;
  color: var(--steel);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--navy);
  padding: 8px 14px;
  font-size: 0.95rem;
  cursor: pointer;
}

.nav-wrap {
  display: flex;
  align-items: center;
  gap: 20px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.93rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--navy);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  padding: 4px 0;
}

.site-nav a:hover {
  border-bottom-color: var(--accent);
}

/* ---------- Buttons ---------- */

.accent-btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent-dark);
  text-decoration: none;
  padding: 11px 18px;
  font-size: 0.94rem;
  font-weight: 600;
  white-space: nowrap;
}

.accent-btn:hover {
  background: var(--accent-dark);
}

.text-link {
  color: #DDE3EA;
  text-decoration: none;
  font-size: 0.94rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  padding-bottom: 1px;
}

.text-link:hover {
  color: #fff;
  border-bottom-color: #fff;
}

/* ---------- Hero ---------- */

.hero {
  background: var(--navy);
  color: #fff;
  padding: 34px 0 28px;
  border-bottom: 1px solid var(--navy-deep);
}

.hero h1 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(1.4rem, 2.8vw, 1.75rem);
  line-height: 1.3;
  letter-spacing: 0.01em;
}

.hero-sub {
  margin: 12px 0 0;
  max-width: 740px;
  color: #DDE3EA;
}

.hero-actions {
  margin-top: 18px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-support {
  margin: 12px 0 0;
  max-width: 780px;
  color: #b9c7d6;
  font-size: 0.93rem;
}

/* ---------- Sections ---------- */

main section {
  padding: 44px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 92px;
}

h2 {
  margin: 0 0 16px;
  font-size: 1.15rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  line-height: 1.4;
}

p.lead {
  margin: 0 0 26px;
  max-width: 800px;
  color: var(--steel);
}

/* ---------- Services ---------- */

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--navy);
  padding: 20px 22px;
}

.service-card p {
  margin: 0;
  color: var(--steel);
  font-size: 0.94rem;
}

/* ---------- Container status ---------- */

#container-status .lead {
  margin-bottom: 14px;
}

.status-helper {
  display: grid;
  grid-template-columns: 1.1fr 1.1fr auto;
  gap: 12px;
  align-items: end;
  padding: 14px;
  border: 1px solid var(--line);
  background: var(--white);
}

.status-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.status-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.status-btn {
  border: 1px solid var(--accent-dark);
  background: var(--accent);
  color: #fff;
  padding: 10px 13px;
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}

.status-btn.secondary {
  border-color: var(--line);
  background: var(--offwhite);
  color: var(--navy);
}

.status-message {
  margin: 10px 0 0;
  font-size: 0.9rem;
  color: var(--steel);
}

.status-note {
  margin: 4px 0 0;
  font-size: 0.85rem;
  color: var(--steel);
}

/* ---------- Quote details ---------- */

.detail-groups {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 22px;
  max-width: 900px;
}

.detail-group {
  background: transparent;
  border: 1px solid var(--line);
  padding: 12px 14px;
}

.detail-group h3 {
  margin: 0 0 6px;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel);
}

.detail-group ul {
  margin: 0;
  padding-left: 18px;
}

.detail-group li {
  padding: 2px 0;
  font-size: 0.94rem;
}

.lead.compact {
  margin: -10px 0 18px;
}

.note-box {
  margin-top: 18px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  background: var(--white);
  color: var(--steel);
  font-size: 0.92rem;
}

/* ---------- RFQ form ---------- */

#quote-form {
  margin-top: 8px;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 26px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 18px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field.full {
  grid-column: 1 / -1;
}

label,
.group-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy);
}

.req {
  color: var(--accent);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #B9C1C9;
  padding: 10px 12px;
  font: inherit;
  color: var(--navy);
  background: var(--white);
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--navy);
  outline-offset: -1px;
}

input.field-invalid,
textarea.field-invalid {
  border-color: var(--accent);
  outline: 1px solid var(--accent);
  outline-offset: -1px;
}

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

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
  gap: 8px 16px;
  padding: 12px;
  border: 1px solid #B9C1C9;
  background: var(--offwhite);
}

.check-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.93rem;
  font-weight: 400;
  color: var(--steel);
}

.check-item input {
  width: auto;
  margin: 0;
  accent-color: var(--navy);
}

.submit-btn {
  margin-top: 18px;
  border: 1px solid var(--accent-dark);
  background: var(--accent);
  color: #fff;
  padding: 12px 22px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.submit-btn:hover {
  background: var(--accent-dark);
}

.form-error {
  margin: 16px 0 0;
  padding: 10px 14px;
  border: 1px solid var(--accent);
  background: #FBEFE9;
  color: var(--accent-dark);
  font-size: 0.92rem;
}

.form-success {
  margin: 16px 0 0;
  padding: 12px 14px;
  border: 1px solid #3E6B4F;
  background: #EDF4EF;
  color: #2C5140;
  font-size: 0.95rem;
}

.after-form {
  margin-top: 18px;
  color: var(--steel);
}

/* ---------- Contact ---------- */

.contact-list {
  margin: 0;
  max-width: 760px;
}

.contact-list dt {
  font-weight: 700;
  margin-top: 14px;
}

.contact-list dt:first-child {
  margin-top: 0;
}

.contact-list dd {
  margin: 3px 0 0 0;
  color: var(--steel);
}

.contact-list dd strong {
  color: var(--navy);
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--navy);
  color: #E8EDF2;
  padding: 22px 0 18px;
}

.site-footer .wordmark {
  color: #fff;
}

.site-footer .wordmark span {
  color: #A9B7C6;
}

.footer-lines {
  margin-top: 12px;
}

.footer-lines p {
  margin: 4px 0;
  font-size: 0.9rem;
}

.footer-small {
  margin: 8px 0;
  color: #A9B7C6;
  font-size: 0.78rem;
  max-width: 760px;
}

/* ---------- Responsive ---------- */

@media (max-width: 767px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 12px 0;
  }

  .menu-toggle {
    display: inline-block;
    margin-left: auto;
  }

  .nav-wrap {
    width: 100%;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding-bottom: 10px;
  }

  .nav-wrap.open {
    display: flex;
  }

  .site-nav {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .hero {
    padding: 30px 0 26px;
  }

  main section {
    padding: 36px 0;
  }

  .service-grid,
  .form-grid,
  .checkbox-grid,
  .detail-groups {
    grid-template-columns: 1fr;
  }

  .status-helper {
    grid-template-columns: 1fr;
  }

  .status-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
  }

  #quote-form {
    padding: 18px;
  }
}