/* ==========================================================================
   HERO.CSS — Hero Banner, Fast-Start Form, Value Props, Process Timeline
   toilet-cubicle.co.uk
   ========================================================================== */

/* =========================================================================
   HERO SECTION
   ========================================================================= */

.hero {
  position: relative;
  min-height: clamp(360px, 50vh, 60vh);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--color-charcoal);
  background-image:
    linear-gradient(135deg, var(--color-charcoal-dark) 0%, var(--color-charcoal) 50%, #2a3a3b 100%);
}

/* -------------------------------------------------------------------------
   Background Image
   Full-cover with dark gradient overlay for text legibility
   ------------------------------------------------------------------------- */

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img,
.hero__bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

/* Dark gradient overlay — stronger at top for heading, fades down */
.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      180deg,
      rgba(0, 0, 0, 0.65) 0%,
      rgba(0, 0, 0, 0.40) 40%,
      rgba(0, 0, 0, 0.25) 60%,
      rgba(0, 0, 0, 0.50) 100%
    );
  /* Subtle green tint in bottom corners for brand colour bleed */
  background-blend-mode: normal;
}

/* Optional noise texture over the gradient */
.hero__bg::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px;
  pointer-events: none;
}

/* Geometric pattern background (matches HTML class hero__bg-pattern) */
.hero__bg-pattern {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.08;
  background-image:
    linear-gradient(30deg, transparent 49.5%, rgba(255,255,255,0.1) 49.5%, rgba(255,255,255,0.1) 50.5%, transparent 50.5%),
    linear-gradient(-30deg, transparent 49.5%, rgba(255,255,255,0.1) 49.5%, rgba(255,255,255,0.1) 50.5%, transparent 50.5%);
  background-size: 60px 60px;
  pointer-events: none;
}

/* -------------------------------------------------------------------------
   Hero Content Overlay
   ------------------------------------------------------------------------- */

.hero__overlay {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--header-height) + var(--sp-4)) var(--sp-2) var(--sp-6);
  text-align: center;
}

@media (min-width: 768px) {
  .hero__overlay {
    padding-inline: var(--sp-4);
  }
}

/* -- Hero Text ------------------------------------------------------------ */

.hero__kicker {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-green-light);
  margin-bottom: var(--sp-2);
  /* Entry animation */
  animation: hero-fade-up 0.6s var(--ease-out) 0.2s both;
}

.hero h1,
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw + 0.5rem, 3.5rem);
  font-weight: var(--weight-regular);
  line-height: 1.1;
  letter-spacing: var(--tracking-tight);
  color: var(--color-white);
  max-width: 800px;
  margin-bottom: var(--sp-3);
  text-shadow:
    0 2px 8px rgba(0, 0, 0, 0.3),
    0 1px 2px rgba(0, 0, 0, 0.2);
  /* Entry animation */
  animation: hero-fade-up 0.6s var(--ease-out) 0.35s both;
}

.hero__subtitle {
  font-size: clamp(var(--text-base), 2vw, var(--text-lg));
  color: rgba(255, 255, 255, 0.8);
  max-width: 560px;
  margin-bottom: var(--sp-5);
  line-height: var(--leading-normal);
  /* Entry animation */
  animation: hero-fade-up 0.6s var(--ease-out) 0.5s both;
}

/* =========================================================================
   FAST-START FORM — Floating card on hero
   ========================================================================= */

.fast-start {
  width: 100%;
  max-width: 600px;
  padding: var(--sp-4);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  text-align: left;
  /* Entry animation */
  animation: hero-fade-up 0.6s var(--ease-out) 0.65s both;
}

@media (min-width: 768px) {
  .fast-start {
    padding: var(--sp-5);
  }
}

/* -- Title label ---------------------------------------------------------- */

.fast-start__title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-green);
  margin-bottom: var(--sp-3);
}

/* Small decorative dash before the label */
.fast-start__title::before {
  content: "";
  display: inline-block;
  width: 20px;
  height: 2px;
  background-color: var(--color-green);
  border-radius: 2px;
}

/* -- Fields grid ---------------------------------------------------------- */

.fast-start__fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
}

@media (min-width: 576px) {
  .fast-start__fields {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Custom select within fast-start (inherits from components.css but refined) */
.fast-start select {
  height: 48px;
  font-size: var(--text-sm);
  background-color: var(--color-grey-50);
  border-color: var(--color-grey-200);
}

.fast-start select:focus {
  background-color: var(--color-white);
}

.fast-start label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-grey-600);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

/* -- CTA Button ----------------------------------------------------------- */

.fast-start__cta {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: center;
  gap: var(--sp-1);
  min-height: 52px;
  padding: 0.875rem var(--sp-3);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-white);
  background-color: var(--color-green);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.fast-start__cta:hover {
  background-color: var(--color-green-dark);
  box-shadow: var(--shadow-green-lg);
  transform: translateY(-1px);
}

.fast-start__cta:active {
  transform: translateY(0);
}

.fast-start__cta-arrow {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.fast-start__cta:hover .fast-start__cta-arrow {
  transform: translateX(3px);
}

/* =========================================================================
   VALUE PROPOSITIONS — Below hero
   ========================================================================= */

.value-props {
  background-color: var(--color-off-white);
  padding-block: var(--sp-6);
  position: relative;
}

/* Subtle top shadow to sit "under" the hero */
.value-props::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(180deg, rgba(0,0,0,0.04) 0%, transparent 100%);
  pointer-events: none;
}

.value-props__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--sp-2);
}

@media (min-width: 576px) {
  .value-props__grid {
    padding-inline: var(--sp-3);
  }
}

@media (min-width: 768px) {
  .value-props__grid {
    grid-template-columns: repeat(3, 1fr);
    padding-inline: var(--sp-4);
  }
}

/* -- Individual prop ------------------------------------------------------ */

.value-prop {
  text-align: center;
  padding: var(--sp-3);
}

.value-prop__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: var(--sp-2);
  background-color: var(--color-green-muted);
  border-radius: var(--radius-lg);
  color: var(--color-green);
  transition: transform var(--transition-base), background-color var(--transition-base);
}

.value-prop:hover .value-prop__icon {
  transform: translateY(-2px) scale(1.05);
  background-color: var(--color-green);
  color: var(--color-white);
}

.value-prop__icon svg {
  width: 28px;
  height: 28px;
}

.value-prop__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-grey-900);
  margin-bottom: var(--sp-1);
}

.value-prop__text {
  font-size: var(--text-sm);
  color: var(--color-grey-600);
  line-height: var(--leading-normal);
  max-width: 320px;
  margin-inline: auto;
}

/* =========================================================================
   MANUFACTURING PROCESS TIMELINE
   ========================================================================= */

.process {
  padding-block: var(--sp-8);
  background-color: var(--color-white);
}

.process__header {
  text-align: center;
  margin-bottom: var(--sp-6);
}

.process__kicker {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-green);
  margin-bottom: var(--sp-1);
}

.process__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
}

/* -- Timeline track ------------------------------------------------------- */

.process__timeline {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--sp-2);
  position: relative;
}

@media (min-width: 768px) {
  .process__timeline {
    flex-direction: row;
    align-items: flex-start;
    gap: 0;
    padding-inline: var(--sp-4);
  }
}

/* -- Individual step ------------------------------------------------------ */

.process__step {
  flex: 1;
  text-align: center;
  position: relative;
}

/* Numbered circle marker */
.process__step-marker {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--color-white);
  background-color: var(--color-charcoal);
  border-radius: var(--radius-full);
  border: 3px solid var(--color-white);
  box-shadow: var(--shadow-sm);
  z-index: 2;
  transition:
    background-color var(--transition-base),
    transform var(--transition-base);
}

.process__step:hover .process__step-marker {
  background-color: var(--color-green);
  transform: translateX(-50%) scale(1.1);
}

/* SVG icon container (used in HTML instead of numbered markers) */
.process__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto var(--sp-2);
  background-color: var(--color-green-muted);
  border-radius: var(--radius-full);
  color: var(--color-charcoal);
  transition: background-color var(--transition-base), color var(--transition-base), transform var(--transition-base);
}

.process__step:hover .process__icon {
  background-color: var(--color-green);
  color: var(--color-white);
  transform: scale(1.1);
}

/* Connecting line between steps (horizontal on desktop) */
@media (min-width: 768px) {
  .process__step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 28px; /* Half of 56px icon */
    left: calc(50% + 32px); /* Icon radius (28px) + gap */
    width: calc(100% - 64px);
    height: 2px;
    background:
      repeating-linear-gradient(
        90deg,
        var(--color-grey-300) 0,
        var(--color-grey-300) 6px,
        transparent 6px,
        transparent 12px
      );
    z-index: 1;
  }
}

/* Connecting line (vertical on mobile) */
@media (max-width: 767px) {
  .process__step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: calc(100% + var(--sp-4) - 40px);
    background:
      repeating-linear-gradient(
        180deg,
        var(--color-grey-300) 0,
        var(--color-grey-300) 6px,
        transparent 6px,
        transparent 12px
      );
    z-index: 1;
  }
}

.process__step-title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-grey-900);
  margin-bottom: 4px;
}

.process__step-desc {
  font-size: var(--text-xs);
  color: var(--color-grey-600);
  max-width: 160px;
  margin-inline: auto;
  line-height: var(--leading-normal);
}

/* =========================================================================
   PRODUCT CATEGORIES — Standalone section below hero
   ========================================================================= */

.products {
  padding-block: var(--sp-6);
  background-color: var(--color-white);
}

.products__heading {
  text-align: center;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-grey-900);
  margin-bottom: var(--sp-4);
}

.products__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-3);
  max-width: 900px;
  margin-inline: auto;
}

@media (max-width: 767px) {
  .products__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 479px) {
  .products__grid {
    grid-template-columns: 1fr;
  }
}

.product-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--sp-4) var(--sp-3);
  background-color: var(--color-off-white);
  border: 1px solid var(--color-grey-200);
  border-radius: var(--radius-lg);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.product-tile:hover {
  border-color: var(--color-green);
  box-shadow: var(--shadow-green);
  transform: translateY(-2px);
}

.product-tile--soon {
  opacity: 0.6;
  cursor: default;
}

.product-tile--soon:hover {
  border-color: var(--color-grey-300);
  box-shadow: none;
  transform: none;
}

.product-tile__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-1);
  color: var(--color-green);
}

.product-tile__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: var(--sp-2);
}

.product-tile__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.product-tile:hover .product-tile__img img {
  transform: scale(1.05);
}

.product-tile__name {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-grey-900);
  margin-bottom: 4px;
}

.product-tile__desc {
  font-size: var(--text-xs);
  color: var(--color-grey-600);
  line-height: var(--leading-normal);
}

.product-tile__badge {
  position: absolute;
  top: var(--sp-1);
  right: var(--sp-1);
  font-size: 10px;
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-grey-600);
  background: var(--color-grey-100);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

/* =========================================================================
   TRUST BANNER — Paneltech
   ========================================================================= */

.trust-banner {
  padding-block: var(--sp-6);
  background-color: var(--color-charcoal);
  color: var(--color-white);
}

.trust-banner__content {
  max-width: var(--container-narrow);
  margin-inline: auto;
  text-align: center;
}

.trust-banner__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-white);
  margin-bottom: var(--sp-2);
}

.trust-banner__text {
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.8);
  line-height: var(--leading-normal);
  margin-bottom: var(--sp-4);
  max-width: 640px;
  margin-inline: auto;
}

.trust-banner__text a {
  color: var(--color-green-light);
  text-decoration: underline;
}

.trust-banner__text a:hover {
  color: var(--color-green);
}

.trust-banner .btn--outline {
  color: var(--color-white);
  border-color: var(--color-white);
}

.trust-banner .btn--outline:hover {
  background-color: var(--color-white);
  color: var(--color-charcoal);
  box-shadow: none;
}

/* =========================================================================
   HERO ENTRY ANIMATIONS
   ========================================================================= */

@keyframes hero-fade-up {
  0% {
    opacity: 0;
    transform: translateY(24px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .hero__kicker,
  .hero__title,
  .hero h1,
  .hero__subtitle,
  .fast-start {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

/* =========================================================================
   SKIP LINK — Visually hidden until keyboard-focused
   ========================================================================= */

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.5rem 1rem;
  background-color: #27AE60;
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 0 0 6px 6px;
  text-decoration: none;
  transition: top 150ms ease;
}

.skip-link:focus {
  top: 0;
  outline: none;
  color: #FFFFFF;
  text-decoration: none;
}