/* ============================================================
   SHARED VARS
   ============================================================ */
:root {
  --cs-blue: #00349d;
  --cs-blue-dk: #002a80;
  --cs-red: #dc2626;
  --cs-red-dk: #b91c1c;
  --cs-t: 150ms ease;
  --cs-t-slow: 300ms ease;
}

/* ============================================================
   HERO
   ============================================================ */
.cs-hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  overflow: hidden;
}
.cs-hero__bg {
  position: absolute;
  inset: 0;
}
.cs-hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.cs-hero__bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom right,
    rgb(17 24 39 / 0.8),
    rgb(17 24 39 / 0.6),
    rgb(17 24 39 / 0.75)
  );
}
.cs-hero__inner {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 4rem 1rem;
  text-align: center;
}
@media (min-width: 640px) {
  .cs-hero__inner {
    padding-inline: 1.5rem;
  }
}
@media (min-width: 1024px) {
  .cs-hero__inner {
    padding-inline: 2rem;
  }
}
.cs-hero__content {
  max-width: 56rem;
  margin-inline: auto;
}
.cs-hero__badge {
  display: inline-block;
  margin-bottom: 1.5rem;
  padding: 0.5rem 1.5rem;
  background-color: rgb(255 255 255 / 0.1);
  backdrop-filter: blur(4px);
  border: 1px solid rgb(255 255 255 / 0.2);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgb(255 255 255 / 0.9);
}
.cs-hero__heading {
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}
@media (min-width: 640px) {
  .cs-hero__heading {
    font-size: 3rem;
  }
}
@media (min-width: 1024px) {
  .cs-hero__heading {
    font-size: 3.75rem;
  }
}
.cs-hero__subheading {
  font-size: 1.125rem;
  color: rgb(255 255 255 / 0.9);
  line-height: 1.625;
  margin-bottom: 2.5rem;
  max-width: 48rem;
  margin-inline: auto;
}
@media (min-width: 640px) {
  .cs-hero__subheading {
    font-size: 1.25rem;
  }
}
@media (min-width: 1024px) {
  .cs-hero__subheading {
    font-size: 1.5rem;
  }
}
.cs-hero__actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
}
@media (min-width: 640px) {
  .cs-hero__actions {
    flex-direction: row;
  }
}
.cs-hero__btn {
  padding: 1rem 2rem;
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  transition:
    background-color var(--cs-t),
    color var(--cs-t),
    box-shadow var(--cs-t),
    transform var(--cs-t);
}
.cs-hero__btn:hover {
  transform: translateY(-2px);
}
.cs-hero__btn--red {
  background-color: var(--cs-red);
  color: #ffffff;
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.2);
}
.cs-hero__btn--red:hover {
  background-color: var(--cs-red-dk);
  box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.3);
}
.cs-hero__btn--outline {
  background-color: rgb(255 255 255 / 0.1);
  backdrop-filter: blur(4px);
  border: 2px solid #ffffff;
  color: #ffffff;
}
.cs-hero__btn--outline:hover {
  background-color: #ffffff;
  color: #111827;
}
.cs-hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: cs-bounce 1s infinite;
}
@keyframes cs-bounce {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(-8px);
  }
}
.cs-hero__scroll-mouse {
  width: 24px;
  height: 40px;
  border-radius: 9999px;
  border: 2px solid rgb(255 255 255 / 0.3);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 8px;
}
.cs-hero__scroll-dot {
  width: 4px;
  height: 8px;
  background-color: rgb(255 255 255 / 0.6);
  border-radius: 9999px;
}

/* ============================================================
   SERVICE
   ============================================================ */
.cs-service {
  padding-block: 3.5rem 5rem;
  background-color: #f9fafb;
}
.cs-service__container {
  max-width: 1280px;
  margin: 0 auto;
  padding-inline: 1rem;
}
@media (min-width: 640px) {
  .cs-service__container {
    padding-inline: 1.5rem;
  }
}
@media (min-width: 1024px) {
  .cs-service__container {
    padding-inline: 2rem;
  }
}
.cs-service__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}
@media (min-width: 1024px) {
  .cs-service__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.cs-service__badge {
  display: inline-block;
  background-color: var(--cs-red);
  color: #ffffff;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.cs-service__heading {
  font-size: 1.875rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 0.75rem;
}
@media (min-width: 1024px) {
  .cs-service__heading {
    font-size: 2.25rem;
  }
}
.cs-service__tagline {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--cs-blue);
  margin-bottom: 1.5rem;
}
.cs-service__body {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  font-size: 1.0625rem;
  color: #374151;
  line-height: 1.625;
  margin-bottom: 2rem;
}
.cs-service__body-bold {
  font-weight: 600;
  color: #111827;
}
.cs-service__checklist {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}
@media (min-width: 640px) {
  .cs-service__checklist {
    grid-template-columns: repeat(2, 1fr);
  }
}
.cs-service__check-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #374151;
  font-size: 1rem;
}
.cs-service__check-icon {
  width: 20px;
  height: 20px;
  color: var(--cs-blue);
  flex-shrink: 0;
}
.cs-service__img-wrap {
  position: relative;
  height: 350px;
}
@media (min-width: 1024px) {
  .cs-service__img-wrap {
    height: 450px;
  }
}
.cs-service__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0.75rem;
  box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.15);
  display: block;
}

/* ============================================================
   TYPES
   ============================================================ */
.cs-types {
  padding-block: 3.5rem 5rem;
  background-color: #ffffff;
}
.cs-types__container {
  max-width: 1280px;
  margin: 0 auto;
  padding-inline: 1rem;
}
@media (min-width: 640px) {
  .cs-types__container {
    padding-inline: 1.5rem;
  }
}
@media (min-width: 1024px) {
  .cs-types__container {
    padding-inline: 2rem;
  }
}
.cs-types__header {
  text-align: center;
  margin-bottom: 3rem;
}
.cs-types__heading {
  font-size: 1.875rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 1rem;
}
@media (min-width: 1024px) {
  .cs-types__heading {
    font-size: 2.25rem;
  }
}
.cs-types__subheading {
  font-size: 1.125rem;
  color: #4b5563;
  max-width: 42rem;
  margin-inline: auto;
}
.cs-types__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 768px) {
  .cs-types__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.cs-types__card {
  border-radius: 1rem;
  padding: 2rem;
}
.cs-types__card--amber {
  background-color: #fffbeb;
  border: 1px solid #fcd34d;
}
.cs-types__card--blue {
  background-color: #eff6ff;
  border: 1px solid #bfdbfe;
}
.cs-types__card--gray {
  background-color: #f9fafb;
  border: 1px solid #e5e7eb;
}
.cs-types__card-emoji {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.cs-types__card-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 0.5rem;
}
.cs-types__card-meta {
  margin-bottom: 1rem;
  font-size: 0.875rem;
}
.cs-types__card-meta-label {
  color: #6b7280;
}
.cs-types__card-best {
  font-weight: 500;
  color: #1f2937;
}
.cs-types__card-lifespan {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  color: #374151;
  margin-bottom: 1rem;
}
.cs-types__card-desc {
  font-size: 0.875rem;
  color: #374151;
  line-height: 1.625;
  margin-bottom: 1.5rem;
}
.cs-types__card-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.cs-types__card-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: #374151;
}
.cs-types__check {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.cs-types__check--amber {
  color: #b45309;
}
.cs-types__check--blue {
  color: var(--cs-blue);
}
.cs-types__check--gray {
  color: #374151;
}

/* ============================================================
   COLORS
   ============================================================ */
.cs-colors {
  padding-block: 3.5rem 5rem;
  background-color: #f9fafb;
}
.cs-colors__container {
  max-width: 1280px;
  margin: 0 auto;
  padding-inline: 1rem;
}
@media (min-width: 640px) {
  .cs-colors__container {
    padding-inline: 1.5rem;
  }
}
@media (min-width: 1024px) {
  .cs-colors__container {
    padding-inline: 2rem;
  }
}
.cs-colors__header {
  text-align: center;
  margin-bottom: 3rem;
}
.cs-colors__heading {
  font-size: 1.875rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 1rem;
}
@media (min-width: 1024px) {
  .cs-colors__heading {
    font-size: 2.25rem;
  }
}
.cs-colors__subheading {
  font-size: 1.125rem;
  color: #4b5563;
  max-width: 42rem;
  margin-inline: auto;
}
.cs-colors__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  max-width: 48rem;
  margin-inline: auto;
}
@media (min-width: 768px) {
  .cs-colors__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
.cs-colors__swatch {
  text-align: center;
}
.cs-colors__swatch-block {
  width: 100%;
  height: 96px;
  border-radius: 0.75rem;
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  border: 1px solid rgb(0 0 0 / 0.1);
  margin-bottom: 0.5rem;
}
.cs-colors__swatch-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 2px;
}
.cs-colors__swatch-type {
  font-size: 0.75rem;
  color: #6b7280;
}
.cs-colors__disclaimer {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.875rem;
  color: #6b7280;
}

/* ============================================================
   PROCESS
   ============================================================ */
.cs-process {
  padding-block: 3.5rem 5rem;
  background-color: #ffffff;
}
.cs-process__container {
  max-width: 1280px;
  margin: 0 auto;
  padding-inline: 1rem;
}
@media (min-width: 640px) {
  .cs-process__container {
    padding-inline: 1.5rem;
  }
}
@media (min-width: 1024px) {
  .cs-process__container {
    padding-inline: 2rem;
  }
}
.cs-process__header {
  text-align: center;
  margin-bottom: 3rem;
}
.cs-process__heading {
  font-size: 1.875rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 1rem;
}
@media (min-width: 1024px) {
  .cs-process__heading {
    font-size: 2.25rem;
  }
}
.cs-process__subheading {
  font-size: 1.125rem;
  color: #4b5563;
  max-width: 42rem;
  margin-inline: auto;
}
.cs-process__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 768px) {
  .cs-process__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .cs-process__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
.cs-process__step-num {
  font-size: 3.75rem;
  font-weight: 900;
  color: #f3f4f6;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.cs-process__step-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 0.75rem;
}
.cs-process__step-desc {
  font-size: 0.875rem;
  color: #4b5563;
  line-height: 1.625;
}

/* ============================================================
   BRANDS
   ============================================================ */
.cs-brands {
  padding-block: 3rem;
  background-color: var(--cs-blue);
  color: #ffffff;
}
.cs-brands__container {
  max-width: 1280px;
  margin: 0 auto;
  padding-inline: 1rem;
}
@media (min-width: 640px) {
  .cs-brands__container {
    padding-inline: 1.5rem;
  }
}
@media (min-width: 1024px) {
  .cs-brands__container {
    padding-inline: 2rem;
  }
}
.cs-brands__heading {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 2rem;
}
.cs-brands__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 2rem;
}
@media (min-width: 1024px) {
  .cs-brands__list {
    gap: 4rem;
  }
}
.cs-brands__name {
  font-size: 1.25rem;
  font-weight: 700;
  color: rgb(255 255 255 / 0.9);
  text-align: center;
}

/* ============================================================
   FAQ
   ============================================================ */
.cs-faq {
  padding-block: 3.5rem 5rem;
  background-color: #f9fafb;
}
.cs-faq__container {
  max-width: 56rem;
  margin: 0 auto;
  padding-inline: 1rem;
}
@media (min-width: 640px) {
  .cs-faq__container {
    padding-inline: 1.5rem;
  }
}
@media (min-width: 1024px) {
  .cs-faq__container {
    padding-inline: 2rem;
  }
}
.cs-faq__header {
  text-align: center;
  margin-bottom: 3rem;
}
.cs-faq__heading {
  font-size: 1.875rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 1rem;
}
@media (min-width: 1024px) {
  .cs-faq__heading {
    font-size: 2.25rem;
  }
}
.cs-faq__subheading {
  font-size: 1.125rem;
  color: #4b5563;
}
.cs-faq__list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.cs-faq__item {
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  overflow: hidden;
}
.cs-faq__trigger {
  width: 100%;
  text-align: left;
  background-color: #ffffff;
  border: none;
  cursor: pointer;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: background-color var(--cs-t);
}
.cs-faq__trigger:hover {
  background-color: #f9fafb;
}
.cs-faq__question {
  font-weight: 600;
  color: #111827;
  flex: 1;
  padding-right: 1rem;
  font-size: 1rem;
  line-height: 1.5;
  transition: color var(--cs-t);
}
.cs-faq__icon {
  width: 20px;
  height: 20px;
  color: var(--cs-blue);
  flex-shrink: 0;
  transition: transform var(--cs-t);
}
.cs-faq__item--open .cs-faq__icon {
  transform: rotate(45deg);
}
.cs-faq__answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 300ms ease;
}
.cs-faq__item--open .cs-faq__answer {
  max-height: 600px;
}
.cs-faq__answer-inner {
  padding: 0 1.5rem 1.25rem;
  border-top: 1px solid #f3f4f6;
  padding-top: 1rem;
  color: #4b5563;
  font-size: 0.9375rem;
  line-height: 1.625;
}
.cs-faq__answer-inner p {
  margin-bottom: 0.75rem;
}
.cs-faq__answer-inner p:last-child {
  margin-bottom: 0;
}
.cs-faq__answer-inner strong {
  color: #111827;
  font-weight: 600;
}

/* ============================================================
   FINAL CTA
   ============================================================ */
.cs-final-cta {
  padding-block: 4rem 5rem;
  background-color: var(--cs-red);
  color: #ffffff;
  text-align: center;
}
.cs-final-cta__container {
  max-width: 56rem;
  margin: 0 auto;
  padding-inline: 1rem;
}
@media (min-width: 640px) {
  .cs-final-cta__container {
    padding-inline: 1.5rem;
  }
}
@media (min-width: 1024px) {
  .cs-final-cta__container {
    padding-inline: 2rem;
  }
}
.cs-final-cta__heading {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}
@media (min-width: 1024px) {
  .cs-final-cta__heading {
    font-size: 3rem;
  }
}
.cs-final-cta__subheading {
  font-size: 1.25rem;
  color: #fecaca;
  line-height: 1.625;
  max-width: 48rem;
  margin: 0 auto 2rem;
}
@media (min-width: 1024px) {
  .cs-final-cta__subheading {
    font-size: 1.5rem;
  }
}
.cs-final-cta__actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
}
@media (min-width: 640px) {
  .cs-final-cta__actions {
    flex-direction: row;
  }
}
.cs-final-cta__btn {
  padding: 1rem 2rem;
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: 0.25rem;
  cursor: pointer;
  transition:
    background-color var(--cs-t),
    color var(--cs-t),
    transform var(--cs-t);
}
.cs-final-cta__btn:hover {
  transform: translateY(-2px);
}
.cs-final-cta__btn--white {
  background-color: #ffffff;
  color: var(--cs-red);
  border: none;
}
.cs-final-cta__btn--white:hover {
  background-color: #f3f4f6;
}
.cs-final-cta__btn--outline {
  background-color: transparent;
  color: #ffffff;
  border: 2px solid #ffffff;
}
.cs-final-cta__btn--outline:hover {
  background-color: #ffffff;
  color: var(--cs-red);
}