/* ============================================================
   SONMAX Logistics — Variant 1: Strict Brief
   concept-03 visual language: dark tech, monospace labels,
   clip-path angular buttons, yellow accents
   ============================================================ */

:root {
  --yellow: #fff500;
  --black: #000000;
  --bg: #080c10;
  --panel: #0e1318;
  --panel-light: #121920;
  --border: #1e2832;
  --muted: #5a7080;
  --text: #c8d8e0;
  --white: #ffffff;
  --container: 1280px;
  --gap: 48px;
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Space Grotesk', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }

/* UTILITIES */
.mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gap);
}

.section-label {
  color: var(--yellow);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 32px;
}

/* BUTTONS */
.btn {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 14px 32px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-transform: uppercase;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  border: none;
}

.btn--yellow {
  background: var(--yellow);
  color: var(--black);
}
.btn--yellow:hover {
  background: #e6dc00;
}

.btn--outline {
  background: transparent;
  color: var(--text);
  box-shadow: inset 0 0 0 1px var(--border);
}
.btn--outline:hover {
  box-shadow: inset 0 0 0 1px var(--yellow);
  color: var(--yellow);
}

.btn--full {
  width: 100%;
  text-align: center;
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 12, 16, 0.95);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 40px;
  height: 72px;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  flex-shrink: 0;
}
.logo__text {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.1em;
}
.logo__sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  color: var(--yellow);
  letter-spacing: 0.2em;
  margin-top: 2px;
}

.nav {
  display: flex;
  gap: 32px;
  margin-left: auto;
}
.nav__link {
  font-size: 14px;
  color: var(--muted);
  transition: color 0.2s;
}
.nav__link:hover { color: var(--white); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding: 120px 0 100px;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 600px; height: 600px;
  background: radial-gradient(circle at 70% 30%, rgba(255, 245, 0, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 80px;
  align-items: center;
}

.hero__label {
  color: var(--yellow);
  margin-bottom: 24px;
}

.hero__title {
  font-size: 96px;
  font-weight: 700;
  color: var(--white);
  line-height: 0.9;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero__sub {
  font-size: 18px;
  color: var(--muted);
  line-height: 1.5;
  max-width: 480px;
  margin-bottom: 48px;
  font-weight: 500;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Route Card */
.route-card {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 32px;
  position: relative;
}

.route-card__label {
  color: var(--yellow);
  margin-bottom: 24px;
}

.route-card__routes {
  display: grid;
  gap: 12px;
  margin-bottom: 24px;
}

.route-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
}

.route-item__code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  font-weight: 700;
  color: var(--yellow);
  min-width: 48px;
}

.route-item__name {
  font-size: 14px;
  color: var(--text);
}

.route-arrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  text-align: center;
  padding: 16px;
  background: var(--yellow);
  color: var(--black);
  margin-bottom: 16px;
}

.route-card__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
}

.route-card__status {
  color: var(--yellow);
  font-size: 11px;
}

/* ============================================================
   FORM SECTION
   ============================================================ */
.form-section {
  padding: 96px 0;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.form-section__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.form-section__title {
  font-size: 36px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 16px;
}

.form-section__desc {
  color: var(--muted);
  margin-bottom: 32px;
  font-size: 15px;
}

.form-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text);
}

.form-feature__icon {
  color: var(--yellow);
  font-family: 'JetBrains Mono', monospace;
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  color: var(--yellow);
}

.form-input {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--white);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  padding: 14px 18px;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}

.form-input::placeholder { color: var(--muted); }
.form-input:focus { border-color: var(--yellow); }

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

/* ============================================================
   DELIVERY TABS
   ============================================================ */
.delivery {
  padding: 96px 0;
  border-bottom: 1px solid var(--border);
}

/* Hide radio inputs */
#t-sea, #t-air, #t-rail { display: none; }

.tab-nav {
  display: flex;
  border: 1px solid var(--border);
  margin-bottom: 2px;
  margin-top: 40px;
}

.tab-nav__item {
  flex: 1;
  text-align: center;
  padding: 16px 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
  cursor: pointer;
  border-right: 1px solid var(--border);
  transition: all 0.2s;
}
.tab-nav__item:last-child { border-right: none; }
.tab-nav__item:hover { color: var(--white); background: var(--panel); }

/* Active tab label via radio sibling selectors */
#t-sea:checked ~ .tab-nav label[for="t-sea"],
#t-air:checked ~ .tab-nav label[for="t-air"],
#t-rail:checked ~ .tab-nav label[for="t-rail"] {
  background: var(--yellow);
  color: var(--black);
  font-weight: 700;
}

/* Tab panels — hide all by default */
.tab-panels { }

.tab-panel {
  display: none;
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 48px;
}

/* Show active panel */
#t-sea:checked ~ .tab-panels #p-sea,
#t-air:checked ~ .tab-panels #p-air,
#t-rail:checked ~ .tab-panels #p-rail {
  display: block;
}

.tab-panel__content {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 64px;
  align-items: center;
}

.tab-panel__label {
  color: var(--yellow);
  margin-bottom: 12px;
}

.tab-panel__title {
  font-size: 26px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.tab-panel__desc {
  color: var(--muted);
  margin-bottom: 24px;
  line-height: 1.7;
}

.tab-panel__meta {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.meta-item__label {
  color: var(--yellow);
  font-size: 10px;
}

.meta-item__val {
  font-size: 14px;
  color: var(--text);
}

/* ETA Card */
.eta-card {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 40px 32px;
  text-align: center;
}

.eta-card__label {
  color: var(--yellow);
  margin-bottom: 16px;
}

.eta-card__number {
  font-size: 56px;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  font-family: 'JetBrains Mono', monospace;
}

.eta-card__unit {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.1em;
  margin-top: 8px;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  padding: 96px 0;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about__text {
  color: var(--muted);
  line-height: 1.8;
  font-size: 16px;
}

/* Service Cards */
.services-grid {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.service-card {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 24px 28px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  transition: border-color 0.2s;
}

.service-card:hover { border-color: var(--yellow); }

.service-card__num {
  color: var(--yellow);
  font-size: 11px;
  flex-shrink: 0;
  margin-top: 3px;
}

.service-card__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  line-height: 1.4;
}

/* ============================================================
   PROCESS
   ============================================================ */
.process {
  padding: 96px 0;
  border-bottom: 1px solid var(--border);
}

.process-steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: center;
  margin-top: 48px;
}

.process-step {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 32px 24px;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}

.process-step__num {
  font-size: 32px;
  font-weight: 700;
  color: var(--yellow);
  line-height: 1;
}

.process-step__title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
}

.process-arrow {
  font-size: 24px;
  color: var(--yellow);
  padding: 0 12px;
  font-family: 'JetBrains Mono', monospace;
  flex-shrink: 0;
}

/* ============================================================
   STATS
   ============================================================ */
.stats {
  padding: 80px 0;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.stats__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stat-item {
  text-align: center;
  flex: 1;
}

.stat-item__num {
  font-size: 52px;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-item__label {
  color: var(--muted);
  font-size: 11px;
}

.stat-divider {
  width: 1px;
  height: 80px;
  background: var(--border);
  flex-shrink: 0;
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  padding: 120px 0;
  border-bottom: 1px solid var(--border);
}

.cta-section__inner {
  text-align: center;
}

.cta-terminal {
  color: var(--yellow);
  font-size: 14px;
  margin-bottom: 24px;
  letter-spacing: 0.1em;
}

.cta-section__title {
  font-size: 48px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 16px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section__sub {
  color: var(--muted);
  font-size: 18px;
  margin-bottom: 48px;
}

.cta-section__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--panel);
  border-top: 1px solid var(--border);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 60px;
  padding-top: 64px;
  padding-bottom: 48px;
}

.footer__tagline {
  font-size: 14px;
  color: var(--muted);
  margin-top: 12px;
}

.footer__heading {
  color: var(--yellow);
  margin-bottom: 20px;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav__link {
  font-size: 14px;
  color: var(--muted);
  transition: color 0.2s;
}
.footer-nav__link:hover { color: var(--white); }

.footer-contacts {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-contact {
  font-size: 14px;
  color: var(--muted);
  transition: color 0.2s;
}
.footer-contact:hover { color: var(--white); }

.footer__bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}

.footer__copy {
  color: var(--muted);
  font-size: 11px;
}

/* ============================================================
   RESPONSIVE — 768px
   ============================================================ */
@media (max-width: 768px) {
  :root { --gap: 20px; }

  .section-title { font-size: 26px; }

  /* Header */
  .header__inner { height: 64px; }
  .nav { display: none; }
  .header__inner .btn { margin-left: auto; padding: 10px 20px; font-size: 12px; }

  /* Hero */
  .hero { padding: 64px 0 60px; }
  .hero__inner { grid-template-columns: 1fr; gap: 48px; }
  .hero__title { font-size: 56px; }
  .hero__sub { font-size: 15px; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { text-align: center; }

  /* Form */
  .form-section { padding: 64px 0; }
  .form-section__inner { grid-template-columns: 1fr; gap: 40px; }
  .form-section__title { font-size: 26px; }

  /* Tabs */
  .delivery { padding: 64px 0; }
  .tab-nav { flex-direction: column; }
  .tab-nav__item { border-right: none; border-bottom: 1px solid var(--border); }
  .tab-panel { padding: 28px 20px; }
  .tab-panel__content { grid-template-columns: 1fr; gap: 32px; }
  .tab-panel__title { font-size: 20px; }

  /* About */
  .about { padding: 64px 0; }
  .about__inner { grid-template-columns: 1fr; gap: 40px; }

  /* Process */
  .process { padding: 64px 0; }
  .process-steps {
    grid-template-columns: 1fr;
    gap: 2px;
  }
  .process-arrow { display: none; }

  /* Stats */
  .stats { padding: 60px 0; }
  .stats__inner { flex-wrap: wrap; gap: 40px; }
  .stat-item { flex: 1 0 40%; }
  .stat-divider { display: none; }
  .stat-item__num { font-size: 40px; }

  /* CTA */
  .cta-section { padding: 80px 0; }
  .cta-section__title { font-size: 32px; }
  .cta-section__actions { flex-direction: column; align-items: center; }

  /* Footer */
  .footer__inner { grid-template-columns: 1fr; gap: 40px; }
}