/* ========================================
   COMPONENTS - Reusable UI Elements
   ========================================
   Buttons, cards, forms, badges, etc.
   Uses tokens for all values.
   ======================================== */

/* ----------------------------------------
   BUTTONS
   ---------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-family-heading);
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  border: var(--border-width-thick) solid transparent;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary,
.btn--primary {
  background-color: var(--color-brand-primary);
  color: var(--color-white);
  border-color: var(--color-brand-primary);
}

.btn-primary:hover,
.btn--primary:hover {
  background-color: var(--color-brand-primary-hover);
  border-color: var(--color-brand-primary-hover);
}

.btn-secondary,
.btn--secondary {
  background-color: var(--color-gray-900);
  color: var(--color-white);
  border-color: var(--color-gray-900);
}

.btn-secondary:hover,
.btn--secondary:hover {
  background-color: var(--color-black);
  border-color: var(--color-black);
}

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

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

.btn-emergency,
.btn--emergency {
  background-color: var(--color-emergency);
  color: var(--color-white);
  border-color: var(--color-emergency);
}

.btn-emergency:hover,
.btn--emergency:hover {
  background-color: var(--color-brand-primary-hover);
  border-color: var(--color-brand-primary-hover);
}

.btn-large,
.btn--large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

.btn--small {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.btn--full {
  width: 100%;
}

/* ----------------------------------------
   CARDS
   ---------------------------------------- */
.card,
.service-card,
.feature-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-6);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.card:hover,
.service-card:hover,
.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* Service cards with images */
a.service-card {
  padding: 0;
  overflow: hidden;
}

a.service-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: transform var(--transition-base);
}

a.service-card:hover img {
  transform: scale(1.05);
}

a.service-card h3 {
  margin-top: 0;
}

.card--dark {
  background-color: var(--color-gray-900);
  color: var(--color-white);
}

.card__icon,
.service-card .service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-4);
  color: var(--color-brand-primary);
}

.card__title,
.service-card h3,
.feature-card h3 {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-2);
}

.card__subtitle {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-gray-500);
  margin-bottom: var(--space-3);
}

.card__description,
.service-card p,
.feature-card p {
  font-size: var(--text-sm);
  color: var(--color-gray-700);
  margin-bottom: var(--space-4);
}

.card__link,
.link-text {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-brand-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.card__link:hover,
.link-text:hover {
  text-decoration: underline;
}

/* Feature Items (icon-based) */
.feature-item {
  text-align: center;
  padding: var(--space-4);
}

.feature-item .feature-icon {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-3);
}

.feature-item h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.feature-item p {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

/* Service Section Grid */
.service-section-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .service-section-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .service-section-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ----------------------------------------
   PROOF/STATS BAR
   ---------------------------------------- */
.proof-bar {
  background-color: var(--color-gray-900);
  color: var(--color-white);
  padding: var(--space-6) 0;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  text-align: center;
}

@media (min-width: 768px) {
  .proof-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.proof-item {
  text-align: center;
}

.proof-item__value,
.proof-value {
  display: block;
  font-family: var(--font-family-heading);
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
  margin-bottom: var(--space-1);
}

.proof-item__label,
.proof-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gray-300);
}

/* ----------------------------------------
   HERO SECTION
   ---------------------------------------- */
.hero,
.hero-home,
.hero-industry,
.hero-services {
  position: relative;
  padding: var(--space-16) 0;
  background-color: var(--color-black);
  background-size: cover;
  background-position: center;
  color: var(--color-white);
}

.hero::before,
.hero-industry::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(rgba(26, 26, 26, 0.7), rgba(26, 26, 26, 0.7));
}

.hero-home {
  background-color: var(--color-white);
  color: var(--color-black);
}

.hero__content,
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero__badge {
  display: inline-block;
  background-color: rgba(200, 16, 46, 0.9);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-4);
}

.hero__title,
.hero-content h1 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .hero__title,
  .hero-content h1 {
    font-size: var(--text-4xl);
  }
}

@media (min-width: 992px) {
  .hero__title,
  .hero-content h1 {
    font-size: var(--text-5xl);
  }
}

.hero__subtitle,
.hero-content .subheadline {
  font-size: var(--text-lg);
  margin-bottom: var(--space-8);
  opacity: 0.9;
}

@media (min-width: 768px) {
  .hero__subtitle,
  .hero-content .subheadline {
    font-size: var(--text-xl);
  }
}

.hero__cta-group,
.hero-cta-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .hero__cta-group,
  .hero-cta-group {
    flex-direction: row;
  }
}

.hero__micro-proof {
  margin-top: var(--space-8);
  font-size: var(--text-sm);
  opacity: 0.8;
}

/* Hero Grid (text + image) */
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.hero-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* ----------------------------------------
   INDUSTRY CARDS/TILES
   ---------------------------------------- */
.industry-grid,
.industries-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .industry-grid,
  .industries-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .industry-grid,
  .industries-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.industry-card,
.industry-tile {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  background-color: var(--color-gray-900);
  color: var(--color-white);
  font-family: var(--font-family-heading);
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
  transition: all var(--transition-fast);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
}

.industry-tile {
  aspect-ratio: 4/3;
}

.industry-tile img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
  transition: all var(--transition-base);
}

.industry-tile:hover img {
  transform: scale(1.05);
  opacity: 0.5;
}

.industry-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-4);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  color: var(--color-white);
  font-weight: var(--font-bold);
  z-index: 1;
}

.industry-card:hover,
.industry-tile:hover {
  background-color: var(--color-brand-primary);
}

/* Industry Strip */
.industry-strip {
  background-color: var(--color-gray-50);
  padding: var(--space-8) 0;
}

.industry-strip h3 {
  text-align: center;
  margin-bottom: var(--space-6);
}

.industry-strip-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
}

.industry-chip {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-700);
  transition: all var(--transition-fast);
}

.industry-chip:hover {
  background-color: var(--color-brand-primary);
  color: var(--color-white);
  border-color: var(--color-brand-primary);
}

/* ----------------------------------------
   TRUST STRIP
   ---------------------------------------- */
.trust-strip,
.industry-trust-strip {
  background-color: var(--color-gray-50);
  padding: var(--space-6) 0;
}

.trust-strip-grid,
.trust-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  text-align: center;
}

@media (min-width: 768px) {
  .trust-strip-grid,
  .trust-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.trust-item {
  text-align: center;
}

.trust-value {
  display: block;
  font-family: var(--font-family-heading);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-brand-primary);
  margin-bottom: var(--space-1);
}

.trust-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray-500);
}

/* ----------------------------------------
   CTA BAND
   ---------------------------------------- */
.cta-band {
  background-color: var(--color-brand-primary);
  color: var(--color-white);
  padding: var(--space-12) 0;
  text-align: center;
}

.cta-band h2 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.cta-band p {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto var(--space-6);
}

.cta-band .btn {
  background-color: var(--color-white);
  color: var(--color-brand-primary);
  border-color: var(--color-white);
}

.cta-band .btn:hover {
  background-color: var(--color-gray-100);
}

/* ----------------------------------------
   PAGE HEADER
   ---------------------------------------- */
.page-header {
  background-color: var(--color-gray-900);
  color: var(--color-white);
  padding: var(--space-12) 0;
  text-align: center;
}

.page-header h1 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.page-header .lead {
  font-size: var(--text-lg);
  color: var(--color-gray-300);
  max-width: 700px;
  margin: 0 auto;
}

/* ----------------------------------------
   CHALLENGES SECTION
   ---------------------------------------- */
.challenges-section {
  padding: var(--space-12) 0;
}

.challenges-list {
  list-style: none;
}

.challenges-list li {
  padding: var(--space-4) 0;
  padding-left: var(--space-8);
  border-bottom: 1px solid var(--color-gray-100);
  position: relative;
}

.challenges-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background-color: var(--color-brand-primary);
  border-radius: 50%;
}

.challenges-list li strong {
  color: var(--color-black);
}

/* ----------------------------------------
   SERVICE REQUIREMENTS / AVAILABILITY
   ---------------------------------------- */
.service-requirements,
.service-availability,
.guardrails-section {
  background-color: var(--color-gray-50);
  padding: var(--space-8) 0;
  text-align: center;
}

.service-requirements h2,
.service-availability h2,
.guardrails-section h2 {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gray-500);
  margin-bottom: var(--space-2);
}

.service-requirements p,
.service-availability p,
.guardrails-section p {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  max-width: 600px;
  margin: 0 auto;
}

/* ----------------------------------------
   WHAT WE FUEL SECTION
   ---------------------------------------- */
.what-we-fuel {
  padding: var(--space-12) 0;
}

.what-we-fuel-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.fuel-chip {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-gray-100);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-gray-700);
}

.territory-statement {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  font-style: italic;
}

/* ----------------------------------------
   DOWNLOAD/GUIDE SECTION
   ---------------------------------------- */
.industry-download {
  background-color: var(--color-brand-secondary);
  padding: var(--space-8) 0;
}

.industry-download-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  text-align: center;
}

@media (min-width: 768px) {
  .industry-download-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.download-text h3 {
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.download-text p {
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

/* ----------------------------------------
   FORMS
   ---------------------------------------- */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  margin-bottom: var(--space-1);
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3);
  font-size: var(--text-base);
  border: var(--border-width) solid var(--color-gray-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
  background-color: var(--color-white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-brand-primary);
  outline: none;
}

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

/* Dark form variant */
.form--dark .form-input,
.form--dark .form-select,
.form--dark .form-textarea {
  background-color: var(--color-gray-900);
  border-color: var(--color-gray-700);
  color: var(--color-white);
}

.form--dark .form-input:focus,
.form--dark .form-select:focus,
.form--dark .form-textarea:focus {
  border-color: var(--color-brand-primary);
}

/* ----------------------------------------
   FuelCube Highlight - Split Layout
   ---------------------------------------- */
.fuelcube-highlight {
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .fuelcube-highlight {
    grid-template-columns: 1fr 1fr;
  }
}

.fuelcube-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.fuelcube-content {
  background-color: var(--color-gray-900);
  color: var(--color-white);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.fuelcube-content h2 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.fuelcube-content p {
  color: var(--color-gray-300);
  margin-bottom: var(--space-6);
}

/* ----------------------------------------
   BADGES
   ---------------------------------------- */
.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
}

.badge--primary {
  background-color: var(--color-brand-primary);
  color: var(--color-white);
}

.badge--dark {
  background-color: var(--color-gray-900);
  color: var(--color-white);
}

/* ----------------------------------------
   PROCESS/STEPS
   ---------------------------------------- */
.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .process-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.process-step {
  text-align: center;
}

.process-step__number {
  display: block;
  font-family: var(--font-family-heading);
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--color-brand-primary);
  margin-bottom: var(--space-2);
}

.process-step__title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-2);
}

.process-step__description {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

/* ----------------------------------------
   SERVICE PAGE IMAGES
   ---------------------------------------- */

/* Full-width image after hero */
.service-hero-image {
  padding: var(--space-8) 0;
  background-color: var(--color-gray-50);
}

.full-width-image {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* Content images between sections */
.content-image {
  margin: var(--space-8) 0;
  text-align: center;
}

.content-image img {
  max-width: 100%;
  height: auto;
  max-height: 350px;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

/* Tank gallery */
.tank-gallery-section {
  padding: var(--space-8) 0;
  background-color: var(--color-white);
}

.tank-gallery-section h3 {
  text-align: center;
  margin-bottom: var(--space-6);
}

.tank-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.tank-gallery figure {
  margin: 0;
  text-align: center;
}

.tank-gallery img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-3);
}

.tank-gallery figcaption {
  font-family: var(--font-family-heading);
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  color: var(--color-gray-700);
}

/* Two-column layout for content + image */
.content-with-image {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
  margin: var(--space-8) 0;
}

@media (min-width: 768px) {
  .content-with-image {
    grid-template-columns: 1fr 1fr;
  }
}

.content-with-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}