/* ============================================================
   KAD Waste Management — landing page
   Brand tokens mirror tyre-ops/app/app.css (industrial-dark + hi-vis)
   ============================================================ */

:root {
  /* Industrial-dark surfaces */
  --color-base: #15171c;
  --color-surface: #1f232b;
  --color-surface-2: #262b34;
  --color-border: #2c313b;

  /* Text */
  --color-text: #f4f5f7;
  --color-text-muted: #a6acb8;
  --color-text-faint: #6c7480;

  /* Hi-vis accent (mascot band) */
  --color-hivis: #d2f500;
  --color-hivis-dim: #b8d900;
  --color-on-hivis: #14161a;

  --color-danger: #f87171;
  --color-success: #34d399;

  --radius: 14px;
  --radius-sm: 10px;
  --maxw: 1140px;
  --header-h: 68px;

  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI",
    Roboto, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-base);
  color-scheme: dark;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3 {
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0;
}

p {
  margin: 0;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-hivis);
  color: var(--color-on-hivis);
  padding: 10px 16px;
  border-radius: 0 0 var(--radius-sm) 0;
  font-weight: 600;
  z-index: 100;
}
.skip-link:focus {
  left: 0;
}

/* ------------------------------ buttons ------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 999px;
  padding: 11px 20px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background-color 0.15s ease,
    border-color 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}
.btn:active {
  transform: translateY(1px);
}
.btn-hivis {
  background: var(--color-hivis);
  color: var(--color-on-hivis);
}
.btn-hivis:hover {
  background: var(--color-hivis-dim);
  box-shadow: 0 6px 22px -8px var(--color-hivis);
}
.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-ghost:hover {
  border-color: var(--color-text-faint);
  background: var(--color-surface);
}
.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}
.btn-lg {
  padding: 14px 26px;
  font-size: 1rem;
}
.btn-block {
  width: 100%;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-hivis);
  margin-bottom: 14px;
}

/* ------------------------------ header ------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-base) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
}
.brand-mark {
  width: 36px;
  height: 36px;
  object-fit: contain;
}
.brand-text strong {
  color: var(--color-hivis);
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}
.site-nav > a:not(.btn) {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.15s ease;
}
.site-nav > a:not(.btn):hover {
  color: var(--color-text);
}
.nav-login {
  font-size: 0.85rem !important;
  opacity: 0.8;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px 24px 20px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}
.mobile-nav a {
  padding: 12px 4px;
  color: var(--color-text-muted);
  font-weight: 500;
  border-bottom: 1px solid var(--color-border);
}
.mobile-nav a:last-child {
  border-bottom: 0;
  margin-top: 8px;
}
.mobile-nav .btn {
  color: var(--color-on-hivis);
}

/* ------------------------------- hero -------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(
      900px 500px at 80% -10%,
      color-mix(in srgb, var(--color-hivis) 10%, transparent),
      transparent 60%
    ),
    var(--color-base);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
  padding-block: clamp(48px, 8vw, 96px);
}
.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  font-weight: 800;
  margin-bottom: 18px;
}
.lede {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-bottom: 28px;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}
.hero-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}
.hero-points li {
  position: relative;
  padding-left: 22px;
}
.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-hivis);
}

.hero-art {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 360px;
}
.spotlight {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    closest-side,
    color-mix(in srgb, var(--color-hivis) 22%, transparent),
    transparent 72%
  );
  filter: blur(6px);
}
.mascot {
  position: relative;
  width: clamp(220px, 26vw, 320px);
  height: auto;
  filter: drop-shadow(0 30px 40px rgba(0, 0, 0, 0.55));
}

@keyframes mascot-bob {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3%);
  }
}
.mascot-bob {
  animation: mascot-bob 3.2s ease-in-out infinite;
}

/* ------------------------------ sections ----------------------------- */
.section {
  padding-block: clamp(56px, 9vw, 96px);
}
.section-alt {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}
.section-head {
  max-width: 620px;
  margin-bottom: 44px;
}
.section-head h2,
.why-copy h2,
.contact-copy h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 700;
}
.section-sub {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-top: 12px;
}

/* services cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.section-alt .card {
  background: var(--color-surface-2);
}
.card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--color-hivis) 50%, var(--color-border));
}
.card-icon {
  font-size: 1.8rem;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--color-hivis) 14%, transparent);
  margin-bottom: 16px;
}
.card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* why us */
.why-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}
.why-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.why-list li {
  position: relative;
  padding-left: 30px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}
.why-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: -1px;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--color-hivis);
  color: var(--color-on-hivis);
  font-size: 0.8rem;
  font-weight: 800;
}
.why-list strong {
  display: block;
  color: var(--color-text);
  font-weight: 600;
  margin-bottom: 4px;
}

/* contact */
.contact-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}
.contact-details {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}
.contact-details li {
  display: grid;
  gap: 2px;
}
.contact-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  font-weight: 600;
}
.contact-details a {
  color: var(--color-hivis);
}

/* form */
.quote-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
}
.field {
  margin-bottom: 16px;
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.field label {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
  margin-bottom: 7px;
  color: var(--color-text);
}
.req {
  color: var(--color-hivis);
}
.field input,
.field textarea {
  width: 100%;
  background: var(--color-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font: inherit;
  font-size: 0.95rem;
  padding: 11px 13px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-hivis);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-hivis) 25%, transparent);
}
.field textarea {
  resize: vertical;
}
.form-note {
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--color-text-faint);
  text-align: center;
}
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.form-status {
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 18px;
  font-size: 0.92rem;
  font-weight: 500;
}
.form-status.is-success {
  background: color-mix(in srgb, var(--color-success) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-success) 45%, transparent);
  color: var(--color-success);
}
.form-status.is-error {
  background: color-mix(in srgb, var(--color-danger) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-danger) 45%, transparent);
  color: var(--color-danger);
}

/* ------------------------------ footer ------------------------------- */
.site-footer {
  background: var(--color-base);
  border-top: 1px solid var(--color-border);
  padding-block: 40px;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
}
.footer-brand strong {
  color: var(--color-hivis);
}
.footer-meta {
  text-align: right;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
.footer-meta .copyright {
  color: var(--color-text-faint);
  margin-top: 6px;
}

/* ---------------------------- responsive ----------------------------- */
@media (max-width: 900px) {
  .hero-inner,
  .why-inner,
  .contact-inner {
    grid-template-columns: 1fr;
  }
  .hero-art {
    order: -1;
    min-height: 260px;
  }
  .why-copy,
  .contact-copy {
    text-align: left;
  }
}

@media (max-width: 720px) {
  .site-nav {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .mobile-nav[data-open="true"] {
    display: flex;
  }
  .why-list {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-meta {
    text-align: left;
  }
}

@media (max-width: 480px) {
  .field-row {
    grid-template-columns: 1fr;
  }
  .hero-cta .btn {
    flex: 1 1 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .mascot-bob {
    animation: none;
  }
  .btn,
  .card {
    transition: none;
  }
}