/* ==========================================================================
   Custom properties
   ========================================================================== */

:root {
  /* Brand */
  --color-primary: #d6a928;
  --color-primary-dark: #b88c17;

  /* Neutrals */
  --color-black: #111111;
  --color-charcoal: #1c1c1c;
  --color-grey-dark: #3d3d3d;
  --color-grey: #707070;
  --color-grey-light: #e5e5e5;

  /* Surfaces */
  --color-background: #ffffff;
  --color-surface: #f6f6f4;
  --color-surface-dark: var(--color-charcoal);

  /* Text */
  --color-text: var(--color-charcoal);
  --color-text-muted: var(--color-grey);
  --color-text-light: #ffffff;

  /* Borders */
  --color-border: var(--color-grey-light);

  /* Typography */
  --font-family: Arial, Helvetica, sans-serif;

  /* Layout */
  --content-width: 1200px;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;
  --spacing-2xl: 6rem;

  /* UI */
  --border-radius: 0.5rem;
  --shadow-card: 0 4px 20px rgb(0 0 0 / 8%);
}


/* ==========================================================================
   Reset
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.6;
}

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

button,
input,
textarea,
select {
  font: inherit;
}


/* ==========================================================================
   Typography
   ========================================================================== */

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

h1,
h2,
h3 {
  line-height: 1.1;
}

h1 {
  font-size: clamp(2.5rem, 8vw, 5rem);
}

h2 {
  font-size: clamp(2rem, 6vw, 3.5rem);
}

h3 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-sm);
}

a {
  color: inherit;
}

strong {
  font-weight: 700;
}


/* ==========================================================================
   Layout
   ========================================================================== */

.container {
  width: min(100% - 2rem, var(--content-width));
  margin-inline: auto;
}

section {
  padding-block: var(--spacing-xl);
}

.section-header {
  max-width: 90rem;
  margin-bottom: var(--spacing-lg);
}

.section-header h2 {
  margin-bottom: var(--spacing-sm);
}

.section-header p {
  color: var(--color-text-muted);
}


/* ==========================================================================
   Section variants
   ========================================================================== */

.section--light {
  background: var(--color-background);
}

.section--muted {
  background: var(--color-surface);
}

.section--dark {
  background: var(--color-surface-dark);
  color: var(--color-text-light);
}

.section--dark .section-header p {
  color: rgb(255 255 255 / 70%);
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
  padding: var(--spacing-md);
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-card);
}

.card h3 {
  margin-bottom: var(--spacing-sm);
}

.card p:last-child {
  margin-bottom: 0;
}


/* ==========================================================================
   Service cards
   ========================================================================== */

.services-grid {
  display: grid;
  gap: var(--spacing-md);
}

.service-card {
  border-top: 4px solid var(--color-primary);
}


/* ==========================================================================
   Buttons
   ========================================================================== */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.75rem 1.5rem;
  background: var(--color-charcoal);
  border: 2px solid var(--color-charcoal);
  border-radius: var(--border-radius);
  color: var(--color-text-light);
  font-weight: 700;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color 150ms ease,
    border-color 150ms ease,
    color 150ms ease;
}

.button:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-black);
}

.button--secondary {
  background: transparent;
  border-color: var(--color-charcoal);
  color: var(--color-charcoal);
}

.button--secondary:hover {
  background: var(--color-charcoal);
  border-color: var(--color-charcoal);
  color: var(--color-text-light);
}


/* ==========================================================================
   Buttons on dark backgrounds
   ========================================================================== */

.section--dark .button {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-black);
}

.section--dark .button:hover {
  background: var(--color-text-light);
  border-color: var(--color-text-light);
}

.section--dark .button--secondary {
  background: transparent;
  border-color: var(--color-text-light);
  color: var(--color-text-light);
}

.section--dark .button--secondary:hover {
  background: var(--color-text-light);
  color: var(--color-black);
}


/* ==========================================================================
   Accessibility
   ========================================================================== */

:focus-visible {
  outline: 3px solid var(--color-charcoal);
  outline-offset: 3px;
}

.site-header :focus-visible,
.hero :focus-visible,
.section--dark :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--color-primary);
}


/* ==========================================================================
   Desktop
   ========================================================================== */

@media (min-width: 64rem) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}


/* ==========================================================================
   Reduced motion
   ========================================================================== */

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-black);
  border-bottom: 3px solid var(--color-primary);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  min-height: 80px;
  padding-block: var(--spacing-xs);
}

.site-header__logo {
  display: block;
  flex-shrink: 0;
  margin: 0 auto;
}

.site-header__logo img {
  width: auto;
  height: 60px;
}

/* Hidden on mobile */
.site-nav {
  display: none;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__link {
  position: relative;
  color: var(--color-text-light);
  font-weight: 700;
  text-decoration: none;
  transition: color 150ms ease;
}

.site-nav__link:hover {
  color: var(--color-primary);
}

.site-nav__link::after {
  position: absolute;
  right: 0;
  bottom: -0.5rem;
  left: 0;
  height: 2px;
  background: var(--color-primary);
  content: "";
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 150ms ease;
}

.site-nav__link:hover::after {
  transform: scaleX(1);
}

.site-header__cta {
  flex-shrink: 0;
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-black);
}

.site-header__cta:hover {
  background: var(--color-text-light);
  border-color: var(--color-text-light);
  color: var(--color-black);
}


/* ==========================================================================
   Header actions
   ========================================================================== */

.header__actions {
  display: none;
}

.header__actions .button {
  width: 100%;
  background: var(--color-primary);
  color: var(--color-black);
  border-color: var(--color-primary);
}
.header__actions .button:hover {
  background: transparent;
  border-color: var(--color-text-light);
  color: var(--color-text-light);
}

/* Secondary button when used on a dark hero */

.header__actions .button--secondary {
  background: transparent;
  border-color: var(--color-text-light);
  color: var(--color-text-light);
}

.header__actions .button--secondary:hover {
  background: var(--color-text-light);
  border-color: var(--color-text-light);
  color: var(--color-black);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: calc(100svh - 80px);
  padding: var(--spacing-sm);
  background:
    linear-gradient(
      rgb(0 0 0 / 75%),
      rgb(0 0 0 / 75%)
    ),
    url("../assets/images/warrior-plumbing-and-heating-hero-mobile.jpg") center / cover no-repeat;
  color: var(--color-text-light); 
}

.hero__inner {
  width: 100%;
}

.hero__content {
  max-width: 48rem;
}

.hero__eyebrow {
  display: block;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 45rem;
  margin-bottom: var(--spacing-md);
  font-size: clamp(2.75rem, 8vw, 5rem);
  letter-spacing: -0.03em;
}

.hero h1 span {
  color: var(--color-primary);
}

.hero__intro {
  max-width: 38rem;
  margin-bottom: 0;
  color: rgb(255 255 255 / 80%);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.6;
}


/* ==========================================================================
   Hero actions
   ========================================================================== */

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  width: 100%;
  margin-top: var(--spacing-lg);
}

.hero__actions .button {
  width: 100%;
}

.hero__primary-cta {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-black);
}

.hero__primary-cta:hover {
  background: var(--color-text-light);
  border-color: var(--color-text-light);
  color: var(--color-black);
}

.hero__actions .button--secondary {
  background: transparent;
  border-color: rgb(255 255 255 / 70%);
  color: var(--color-text-light);
}

.hero__actions .button--secondary:hover {
  background: var(--color-text-light);
  border-color: var(--color-text-light);
  color: var(--color-black);
}


/* ==========================================================================
   Hero trust indicators
   ========================================================================== */

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.65rem;
  margin-top: var(--spacing-lg);
  color: rgb(255 255 255 / 65%);
  font-size: 0.8rem;
  font-weight: 700;
}


/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  padding-block: var(--spacing-xl) var(--spacing-lg);
  background: var(--color-black);
  color: var(--color-text-light);
  border-top: 3px solid var(--color-primary);
}

.site-footer__grid {
  display: grid;
  gap: var(--spacing-lg);
}

.site-footer__brand {
  max-width: 28rem;
}

.site-footer__logo {
  display: inline-block;
  margin-bottom: var(--spacing-md);
}

.site-footer__logo img {
  width: auto;
  height: 50px;
}

.site-footer__brand p {
  margin-bottom: 0;
  color: rgb(255 255 255 / 70%);
}

.site-footer__heading {
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.site-footer__links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-xs);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer__links li {
  font-size: 0.875rem;
  color: rgb(255 255 255 / 80%);
}

.site-footer__links a {
  color: rgb(255 255 255 / 80%);
  text-decoration: none;
  transition: color 150ms ease;
}

.site-footer__links a:hover {
  color: var(--color-primary);
}

.site-footer__bottom {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgb(255 255 255 / 15%);
}

.site-footer__bottom p {
  margin: 0;
  color: rgb(255 255 255 / 50%);
  font-size: 0.875rem;
}

/* ==========================================================================
   Gas Safe registration
   ========================================================================== */

.site-footer__gas-safe {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: fit-content;
  margin-top: var(--spacing-md);
}

.site-footer__gas-safe-logo {
  width: 70px;
  height: auto;
}

.site-footer__gas-safe-details {
  display: flex;
  flex-direction: column;
  padding-left: var(--spacing-sm);
  border-left: 2px solid var(--color-primary);
  line-height: 1.4;
}

.site-footer__gas-safe-details span {
  color: rgb(255 255 255 / 80%);
  font-size: 0.875rem;
}

.site-footer__gas-safe-details strong {
  color: var(--color-primary);
  font-size: 0.875rem;
}

/* ==========================================================================
   Work
   ========================================================================== */

.work {
  overflow: hidden;
}

.work .section-header {
  margin-bottom: var(--spacing-lg);
}

.work__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xs);
}

.work__item {
  position: relative;

  min-width: 0;
  margin: 0;

  overflow: hidden;

  background: var(--color-grey-dark);
  border-radius: var(--border-radius);

  aspect-ratio: 1 / 1;
}

.work__item--large {
  grid-column: 1 / -1;

  aspect-ratio: 4 / 3;
}

.work__item--wide {
  grid-column: 1 / -1;
  aspect-ratio: 16 / 9;
}

.work__item img {
  width: 100%;
  height: 100%;

  object-fit: cover;

  transition: transform 300ms ease;
}

.work__item:hover img {
  transform: scale(1.03);
}

/* ==========================================================================
   Service area
   ========================================================================== */

.service-area {
  overflow: hidden;
}

.service-area__grid {
  display: grid;
  gap: var(--spacing-xl);
}

.service-area__content {
  max-width: 38rem;
}

.section-eyebrow {
  display: block;

  margin-bottom: var(--spacing-sm);

  color: var(--color-primary-dark);

  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.service-area__content h2 {
  margin-bottom: var(--spacing-md);
}

.service-area .section-eyebrow {
  color: #856511;
}

.service-area__content p {
  color: var(--color-text-muted);
}

.service-area__cta {
  margin-top: var(--spacing-md);

  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-black);
}

.service-area__cta:hover {
  background: var(--color-charcoal);
  border-color: var(--color-charcoal);
  color: var(--color-text-light);
}


/* ==========================================================================
   Service area map
   ========================================================================== */

.service-area {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 20rem;
  padding: var(--spacing-lg);
  overflow: hidden;
  background: var(--color-surface);
  border-radius: var(--border-radius);
}

.service-area__img::before {
  position: absolute;
  top: 1rem;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  border: 1px solid rgb(0 0 0 / 5%);
  border-radius: calc(var(--border-radius) / 2);
  content: "";
  pointer-events: none;
}

.service-area__img img {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 30rem;
  max-height: 32rem;
  object-fit: contain;
}

/* ==========================================================================
   Contact
   ========================================================================== */

.contact {
  position: relative;
  overflow: hidden;
}

.contact__inner {
  position: relative;
  z-index: 1;
}

.contact__content {
  max-width: 60rem;
  margin: 0 auto;
  margin-bottom: var(--spacing-lg);
}

.contact__eyebrow {
  display: block;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact__content h2 {
  margin-bottom: var(--spacing-md);
}

.contact__content p {
  max-width: 60rem;
  color: rgb(255 255 255 / 75%);
}

.contact__actions {
  display: grid;
  gap: var(--spacing-sm);
  max-width: 60rem;
  margin: 0 auto;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-md);
  background: rgb(255 255 255 / 6%);
  border: 1px solid rgb(255 255 255 / 15%);
  border-radius: var(--border-radius);
  color: var(--color-text-light);
  text-decoration: none;
  transition:
    background-color 150ms ease,
    border-color 150ms ease,
    transform 150ms ease;
}

.contact-card:hover {
  background: rgb(255 255 255 / 10%);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.contact-card--primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-black);
}

.contact-card--primary:hover {
  background: var(--color-text-light);
  border-color: var(--color-text-light);
}

.contact-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 3rem;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: rgb(255 255 255 / 10%);
}

.contact-card--primary .contact-card__icon {
  background: rgb(0 0 0 / 10%);
}

.contact-card__icon svg {
  width: 1.75rem;
  height: 1.75rem;
}

.contact-card__content {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-width: 0;
}

.contact-card__content strong {
  font-size: 1.1rem;
  line-height: 1.3;
}

.contact-card__content span {
  margin-top: 0.2rem;
  color: rgb(255 255 255 / 65%);
  font-size: 0.875rem;
  line-height: 1.4;
}

.contact-card--primary .contact-card__content span {
  color: rgb(0 0 0 / 65%);
}

.contact-card__arrow {
  flex-shrink: 0;
  margin-left: auto;
  font-size: 1.5rem;
  transition: transform 150ms ease;
}

.contact-card:hover .contact-card__arrow {
  transform: translateX(4px);
}

.contact__alternative {
  max-width: 60rem;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin: 0 auto;
  margin-top: var(--spacing-lg);
  color: rgb(255 255 255 / 65%);
}

.contact__alternative a {
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: none;
}

.contact__alternative a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Tablet
   ========================================================================== */

@media (min-width: 48rem) {
  section {
    padding-block: var(--spacing-2xl);
  }

  .container {
    width: min(100% - 3rem, var(--content-width));
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .card {
    padding: var(--spacing-lg);
  }
  .site-nav {
    display: block;
  }

  .site-header__inner {
    display: flex
  }
  .site-header__logo {
    margin: unset;
  }

  .hero {
    min-height: 700px;
    padding-block: var(--spacing-2xl);
    background:
      linear-gradient(
        90deg,
        rgb(0 0 0 / 88%) 0%,
        rgb(0 0 0 / 72%) 45%,
        rgb(0 0 0 / 30%) 100%
      ),
      url("../assets/images/warrior-plumbing-and-heating-hero.jpg") center / cover no-repeat;
  }

  .hero__trust {
    gap: var(--spacing-sm);
    font-size: 0.875rem;
  }

  .hero__actions {
    flex-direction: row;
    align-items: center;
    width: auto;
  }

  .hero__actions .button {
    width: auto;
  }

  .site-footer__grid {
    grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
    gap: var(--spacing-xl);
  }

  .work__grid {
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 240px);
    gap: var(--spacing-sm);
  }

  .work__item {
    aspect-ratio: auto;
  }

  .work__item--large {
    grid-column: span 2;
    grid-row: span 2;
    aspect-ratio: auto;
  }

  .work__item--wide {
    grid-column: span 4;
    aspect-ratio: auto;
  }

  .service-area__grid {
    grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.8fr);
    align-items: center;
  }

  .service-area__img {
    min-height: 30rem;
  }

  .contact__actions {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-card {
    padding: var(--spacing-lg);
  }
}

@media (min-width: 75rem) {
  .header__actions {
    display: flex;
    gap: var(--spacing-sm);
    width: 100%;
      flex-direction: row;
      align-items: center;
      width: auto; 
  }

  .header__actions .button {
    width: auto;
  }
}