:root {
  --navy: #02283f;
  --navy-2: #073850;
  --red: #dc2227;
  --red-2: #ff604d;
  --ink: #102532;
  --muted: #64737c;
  --line: #d9e4e9;
  --wash: #f4f8fa;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(2, 40, 63, .14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: .75rem;
  left: .75rem;
  transform: translateY(-140%);
  padding: .75rem 1rem;
  border-radius: 8px;
  color: var(--white);
  background: var(--navy);
  font-weight: 800;
  transition: transform .2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.08;
  letter-spacing: 0;
  overflow-wrap: break-word;
}

h1 {
  font-size: clamp(2.55rem, 5vw, 5.4rem);
  max-width: 10.5em;
}

h2 {
  font-size: clamp(2rem, 3.5vw, 4rem);
  max-width: 11em;
}

h3 {
  font-size: 1.15rem;
}

p {
  color: var(--muted);
  font-size: 1rem;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .65s ease, transform .65s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 82px;
  padding: 1rem clamp(1rem, 4vw, 4rem);
  background: rgba(255, 255, 255, .92);
  border-bottom: 1px solid rgba(2, 40, 63, .1);
  backdrop-filter: blur(18px);
}

.brand img {
  width: clamp(172px, 24vw, 300px);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: .4rem;
  transition: opacity .22s ease, transform .22s ease, visibility .22s ease;
}

.site-nav a {
  position: relative;
  padding: .72rem 1rem;
  border-radius: 999px;
  color: var(--navy);
  font-weight: 700;
  font-size: .92rem;
}

.site-nav a.active,
.site-nav a:hover {
  color: var(--white);
  background: var(--navy);
}

.site-nav a:focus-visible,
.btn:focus-visible,
.nav-toggle:focus-visible,
.slider-dot:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(220, 34, 39, .35);
  outline-offset: 3px;
}

.nav-toggle {
  display: none;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--navy);
  transition: opacity .2s ease, transform .2s ease;
}

.nav-toggle.is-open {
  border-color: rgba(2, 40, 63, .2);
  background: var(--wash);
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero-slider {
  position: relative;
  min-height: calc(100vh - 82px);
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(2, 40, 63, .98), rgba(7, 56, 80, .86)),
    radial-gradient(circle at 82% 18%, rgba(220, 34, 39, .22), transparent 25%);
  color: var(--white);
}

.hero-slider::before,
.page-hero::before,
.cta-strip::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .08) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, #000, transparent 78%);
}

.slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  width: 100%;
  padding: clamp(2.4rem, 5vw, 5rem) clamp(1rem, 5vw, 5rem);
  opacity: 0;
  transform: translateX(3rem);
  transition: opacity .7s ease, transform .7s ease;
}

.slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(2, 40, 63, .94) 0%, rgba(2, 40, 63, .72) 48%, rgba(2, 40, 63, .48) 100%),
    var(--slide-image) center / cover no-repeat;
  opacity: .72;
  transform: scale(1.03);
}

.slide::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 44%;
  pointer-events: none;
  background: linear-gradient(0deg, rgba(2, 40, 63, .72), transparent);
}

.slide-mining {
  --slide-image: url("../public/hero-mining-live.png");
}

.slide-minerals {
  --slide-image: url("../public/hero-rare-earth.png");
}

.slide.is-active {
  z-index: 1;
  opacity: 1;
  transform: translateX(0);
}

.slide-copy {
  position: relative;
  z-index: 2;
  min-width: 0;
}

.hero-slider h1 {
  max-width: 12em;
  font-size: clamp(2.6rem, 5vw, 4.85rem);
}

.slide p {
  max-width: 670px;
  color: rgba(255, 255, 255, .82);
  font-size: clamp(1rem, 1.7vw, 1.25rem);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin-bottom: 1rem;
  color: var(--red);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 36px;
  height: 2px;
  background: currentColor;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: .85rem 1.25rem;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  line-height: 1.1;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn.primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--red), var(--red-2));
  box-shadow: 0 16px 38px rgba(220, 34, 39, .26);
}

.btn.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, .38);
  background: rgba(255, 255, 255, .08);
}

.btn.light {
  background: var(--white);
  color: var(--red);
  box-shadow: none;
}

.slider-controls {
  position: absolute;
  z-index: 3;
  left: clamp(1rem, 5vw, 5rem);
  bottom: 2rem;
  display: flex;
  gap: .8rem;
}

.slider-dot {
  width: 42px;
  height: 5px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, .35);
  cursor: pointer;
}

.slider-dot.is-active {
  background: var(--red);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

.section {
  padding: clamp(4rem, 8vw, 7rem) clamp(1rem, 5vw, 5rem);
}

.intro-band,
.soft-band {
  background: var(--wash);
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, .82fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  max-width: 1220px;
  margin: 0 auto;
}

.large-copy {
  font-size: clamp(1.1rem, 2vw, 1.45rem);
}

.signal-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .8rem;
}

.signal-panel div {
  min-height: 154px;
  padding: 1.25rem;
  border: 1px solid rgba(2, 40, 63, .12);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.signal-panel strong {
  display: block;
  color: var(--red);
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: .95;
}

.signal-panel span {
  color: var(--navy);
  font-weight: 800;
}

.section-heading {
  max-width: 1220px;
  margin: 0 auto 2.5rem;
}

.feature-grid,
.value-grid {
  display: grid;
  gap: 1rem;
  max-width: 1220px;
  margin: 0 auto;
}

.feature-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.value-grid article,
.service-card,
.contact-form,
.contact-details {
  border: 1px solid rgba(2, 40, 63, .12);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.feature-card,
.value-grid article {
  min-height: 220px;
  padding: 1.35rem;
}

.feature-card span,
.service-card > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 1.1rem;
  border-radius: 8px;
  color: var(--white);
  background: var(--navy);
  font-weight: 800;
}

.feature-card:hover,
.value-grid article:hover,
.service-card:hover {
  border-color: rgba(220, 34, 39, .36);
}

.mineral-band {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--navy);
}

.mineral-band p,
.mineral-band h2 {
  color: var(--white);
}

.mineral-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  max-width: 1220px;
  margin: 0 auto;
}

.mineral-cloud span,
.state-grid span {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: .75rem 1rem;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 8px;
  color: var(--white);
  background: rgba(255, 255, 255, .1);
  font-weight: 800;
}

.split-visual {
  display: grid;
  grid-template-columns: minmax(280px, .92fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  max-width: 1220px;
  margin: 0 auto;
}

.split-visual img {
  width: 100%;
  aspect-ratio: 1.28;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.check-list {
  display: grid;
  gap: .9rem;
  padding: 0;
  margin: 1.5rem 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 2rem;
  color: var(--ink);
  font-weight: 700;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .46rem;
  width: 10px;
  height: 10px;
  border: 3px solid var(--red);
  border-radius: 50%;
}

.cta-strip {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: clamp(3rem, 6vw, 5rem) clamp(1rem, 5vw, 5rem);
  color: var(--white);
  background: linear-gradient(115deg, var(--red), var(--navy));
  overflow: hidden;
}

.cta-strip > * {
  position: relative;
  z-index: 1;
}

.cta-strip h2,
.cta-strip p {
  color: var(--white);
}

.page-hero {
  --page-hero-image: url("../public/hero-quarry-live.png");
  position: relative;
  display: grid;
  align-items: center;
  min-height: 58vh;
  padding: clamp(4rem, 8vw, 7rem) clamp(1rem, 5vw, 5rem);
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(2, 40, 63, .96) 0%, rgba(2, 40, 63, .76) 52%, rgba(2, 40, 63, .52) 100%),
    var(--page-hero-image) center / cover no-repeat;
  overflow: hidden;
}

.page-hero-about {
  --page-hero-image: url("../public/hero-quarry-live.png");
}

.page-hero-services {
  --page-hero-image: url("../public/hero-limestone-live.png");
}

.page-hero-contact {
  --page-hero-image: url("../public/hero-mining-live.png");
}

.page-hero > * {
  position: relative;
  z-index: 1;
}

.page-hero p {
  max-width: 760px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, .88);
  font-size: clamp(1.25rem, 2.2vw, 2rem);
  line-height: 1.35;
}

.value-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.value-grid article {
  border-top: 4px solid var(--red);
}

.location-band {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(320px, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  color: var(--white);
  background: var(--navy);
}

.location-band h2,
.location-band p {
  color: var(--white);
}

.state-grid {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
}

.service-list {
  display: grid;
  gap: 1rem;
  max-width: 1120px;
  margin: 0 auto;
}

.service-card {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 1.35rem;
  padding: clamp(1.25rem, 3vw, 2rem);
}

.service-card h2 {
  margin-bottom: .65rem;
  font-size: clamp(1.45rem, 2.5vw, 2.45rem);
}

.service-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  padding: 0;
  margin: 1.25rem 0 0;
  list-style: none;
}

.service-card li {
  padding: .55rem .7rem;
  border-radius: 8px;
  color: var(--navy);
  background: var(--wash);
  font-weight: 700;
  font-size: .92rem;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(280px, .78fr) minmax(320px, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
  max-width: 1220px;
  margin: 0 auto;
}

.contact-details,
.contact-form {
  padding: clamp(1.25rem, 3vw, 2rem);
}

.detail-block {
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.detail-block strong {
  display: block;
  color: var(--navy);
  margin-bottom: .4rem;
}

.detail-block p {
  margin-bottom: .2rem;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.contact-form .full,
.contact-form button,
.form-note {
  grid-column: 1 / -1;
}

label {
  display: block;
  margin-bottom: .4rem;
  color: var(--navy);
  font-size: .86rem;
  font-weight: 800;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: .9rem 1rem;
  color: var(--ink);
  background: #fbfdfe;
  font: inherit;
}

input:focus,
textarea:focus {
  outline: 3px solid rgba(220, 34, 39, .18);
  border-color: var(--red);
}

.form-note {
  min-height: 1.5rem;
  margin: 0;
  color: var(--red);
  font-weight: 800;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(180px, 260px) minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: center;
  padding: 2rem clamp(1rem, 5vw, 5rem);
  border-top: 1px solid rgba(2, 40, 63, .12);
  background: #fbfdfe;
}

.site-footer img {
  width: 240px;
}

.site-footer p {
  margin: 0;
  max-width: 680px;
  font-size: .95rem;
}

.footer-links {
  display: flex;
  gap: 1rem;
  color: var(--navy);
  font-weight: 800;
}

@media (max-width: 980px) {
  h1 {
    font-size: clamp(2.5rem, 10vw, 4.5rem);
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 1rem;
    left: 1rem;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: .75rem;
    border: 1px solid rgba(2, 40, 63, .12);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-.65rem);
    visibility: hidden;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    visibility: visible;
  }

  .site-nav a {
    border-radius: 8px;
    padding: .9rem 1rem;
  }

  .slide,
  .page-hero,
  .section-grid,
  .split-visual,
  .location-band,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .slide {
    position: absolute;
    align-content: center;
    min-height: calc(100vh - 82px);
  }

  .feature-grid.four,
  .feature-grid.three,
  .value-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .signal-panel {
    grid-template-columns: 1fr;
  }

  .cta-strip,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .cta-strip {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-footer {
    display: grid;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 74px;
    gap: 1rem;
  }

  .brand img {
    width: 158px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav a {
    min-height: 46px;
    font-size: .9rem;
  }

  .hero-slider {
    min-height: 700px;
  }

  .slide {
    min-height: 700px;
    padding-top: 2rem;
    padding-bottom: 5rem;
  }

  .slide::before {
    background:
      linear-gradient(90deg, rgba(2, 40, 63, .96) 0%, rgba(2, 40, 63, .82) 58%, rgba(2, 40, 63, .66) 100%),
      var(--slide-image) 62% center / cover no-repeat;
  }

  .hero-slider h1 {
    max-width: min(100%, 330px);
    font-size: clamp(1.95rem, 8.3vw, 2.1rem);
  }

  .slide-copy,
  .slide p,
  .button-row {
    width: min(100%, 330px);
  }

  .slide p {
    font-size: .98rem;
  }

  .eyebrow {
    font-size: .68rem;
    letter-spacing: .08em;
  }

  .button-row,
  .footer-links {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .feature-grid.four,
  .feature-grid.three,
  .value-grid,
  .service-card,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .service-card > span {
    margin-bottom: 0;
  }

  .slider-controls {
    bottom: 1.25rem;
  }

  .mineral-cloud span,
  .state-grid span {
    width: 100%;
  }
}