:root {
  --ink: #111827;
  --charcoal: #1f2933;
  --muted: #5f6b7a;
  --line: #d9dee7;
  --surface: #ffffff;
  --surface-strong: #f6f8fb;
  --blue: #084f8d;
  --blue-deep: #063963;
  --green: #0e6b4d;
  --green-deep: #084c38;
  --concrete: #d8d5ce;
  --sand: #b9ae9a;
  --shadow: 0 18px 50px rgba(17, 24, 39, 0.14);
  --shadow-soft: 0 10px 30px rgba(17, 24, 39, 0.09);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

.sr-only,
.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  width: auto;
  height: auto;
  padding: 10px 14px;
  clip: auto;
  color: var(--surface);
  background: var(--blue);
}

.container {
  width: min(100% - 32px, var(--max));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  transition:
    background 220ms ease,
    box-shadow 220ms ease,
    color 220ms ease;
}

.site-header.is-scrolled,
.site-header.menu-active {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 8px 28px rgba(17, 24, 39, 0.12);
  backdrop-filter: blur(14px);
}

.navbar {
  width: min(100% - 32px, var(--max));
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-inline: auto;
  color: var(--surface);
}

.site-header.is-scrolled .navbar,
.site-header.menu-active .navbar {
  color: var(--ink);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.brand-logo {
  width: 148px;
  height: auto;
  display: block;
  padding: 6px 8px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: var(--radius);
  box-shadow: 0 10px 26px rgba(17, 24, 39, 0.16);
  transition:
    box-shadow 220ms ease,
    transform 220ms ease;
}

.brand:hover .brand-logo {
  transform: translateY(-1px);
}

.menu-toggle {
  position: relative;
  z-index: 110;
  width: 44px;
  height: 44px;
  display: inline-grid;
  place-items: center;
  padding: 0;
  color: inherit;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius);
}

.site-header.is-scrolled .menu-toggle,
.site-header.menu-active .menu-toggle {
  background: var(--surface-strong);
  border-color: var(--line);
}

.menu-toggle-line {
  width: 20px;
  height: 2px;
  display: block;
  background: currentColor;
  transition: transform 180ms ease;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-line:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-menu {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 96px 24px 32px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.98);
  transform: translateX(100%);
  transition: transform 240ms ease;
}

.nav-menu.is-open {
  transform: translateX(0);
}

.nav-menu a {
  padding: 12px 0;
  color: inherit;
  font-weight: 750;
}

.nav-cta {
  display: inline-flex;
  justify-content: center;
  margin-top: 12px;
  padding: 13px 18px !important;
  color: var(--surface) !important;
  background: var(--green);
  border-radius: var(--radius);
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--surface);
  background: var(--charcoal);
}

.hero-media,
.hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-media img {
  object-fit: cover;
  filter: saturate(0.95) contrast(1.04);
  transform: scale(1.02);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 18, 31, 0.92) 0%, rgba(7, 18, 31, 0.72) 42%, rgba(7, 18, 31, 0.28) 100%),
    linear-gradient(0deg, rgba(7, 18, 31, 0.9), rgba(7, 18, 31, 0.1) 42%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 128px 0 92px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #7ee0b7;
}

.hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(3rem, 6vw, 6.75rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 620px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 18px;
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 850;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

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

.button-primary {
  color: var(--surface);
  background: linear-gradient(135deg, var(--green), var(--green-deep));
  box-shadow: 0 14px 32px rgba(8, 76, 56, 0.28);
}

.button-secondary {
  color: var(--surface);
  background: rgba(255, 255, 255, 0.13);
  border: 1px solid rgba(255, 255, 255, 0.38);
}

.button-secondary.dark {
  background: rgba(255, 255, 255, 0.1);
}

.product-card .button-secondary.dark {
  color: var(--blue-deep);
  background: var(--surface-strong);
  border-color: var(--line);
}

.trust-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  max-width: 740px;
  padding: 0;
  margin: 36px 0 0;
  list-style: none;
}

.trust-row li {
  min-height: 46px;
  display: flex;
  align-items: center;
  padding: 11px 13px;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
}

.trust-row li::before,
.best-for li::before {
  content: "";
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  margin-right: 10px;
  background: var(--green);
  border-radius: 50%;
}

.scroll-indicator {
  position: absolute;
  z-index: 2;
  right: 24px;
  bottom: 24px;
  width: 30px;
  height: 52px;
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 999px;
}

.scroll-indicator span {
  width: 5px;
  height: 10px;
  display: block;
  margin: 10px auto 0;
  background: var(--surface);
  border-radius: 999px;
  animation: scrollDot 1.7s ease-in-out infinite;
}

.section {
  padding: 82px 0;
}

.section-heading {
  max-width: 790px;
  margin-bottom: 34px;
}

.section-heading h2,
.finder-intro h2,
.bulk-copy h2,
.project-layout h2,
.quality-panel h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(2rem, 4vw, 4.2rem);
  line-height: 1;
  letter-spacing: 0;
}

.section-heading p:not(.eyebrow),
.finder-intro p,
.bulk-copy p,
.project-copy p,
.quality-list p {
  color: var(--muted);
  font-size: 1.02rem;
}

.product-section {
  background:
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%),
    var(--surface);
}

.product-grid {
  display: grid;
  gap: 18px;
}

.product-card {
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease;
}

.product-card:hover {
  transform: translateY(-5px);
  border-color: rgba(8, 79, 141, 0.36);
  box-shadow: var(--shadow);
}

.product-media {
  position: relative;
  height: 240px;
  overflow: hidden;
  background:
    repeating-linear-gradient(135deg, rgba(8, 79, 141, 0.08) 0 1px, transparent 1px 14px),
    var(--concrete);
}

.product-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 280ms ease;
}

.product-card:hover .product-media img,
.application-card:hover img {
  transform: scale(1.05);
}

.product-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 7px 10px;
  color: var(--surface);
  background: rgba(8, 79, 141, 0.92);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.product-body {
  display: grid;
  gap: 16px;
  padding: 18px;
}

.product-kicker {
  color: var(--green);
  font-size: 0.76rem;
  font-weight: 850;
  text-transform: uppercase;
}

.product-body h3 {
  margin: 0;
  font-size: 1.45rem;
  line-height: 1.14;
}

.product-body p {
  margin: 0;
  color: var(--muted);
}

.price-note {
  display: inline-flex;
  width: fit-content;
  padding: 8px 10px;
  color: var(--blue-deep);
  background: #eef6fd;
  border: 1px solid #cfe3f7;
  border-radius: var(--radius);
  font-size: 0.86rem;
  font-weight: 750;
}

.best-for {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.best-for li {
  display: flex;
  align-items: center;
  min-width: 0;
  color: var(--charcoal);
  font-size: 0.9rem;
}

.product-order {
  display: grid;
  gap: 10px;
  padding-top: 4px;
}

.input-row {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: 8px;
}

.product-order input,
.product-order select,
.bulk-form input,
.bulk-form select,
.bulk-form textarea {
  width: 100%;
  min-height: 46px;
  padding: 11px 12px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  outline: none;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.product-order input:focus,
.product-order select:focus,
.bulk-form input:focus,
.bulk-form select:focus,
.bulk-form textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(8, 79, 141, 0.12);
}

.order-actions {
  display: grid;
  grid-template-columns: 1fr 0.58fr;
  gap: 8px;
}

.order-actions .button {
  width: 100%;
}

.finder-section,
.quality-section {
  background:
    repeating-linear-gradient(135deg, rgba(31, 41, 51, 0.05) 0 1px, transparent 1px 18px),
    #f4f6f8;
}

.finder-layout,
.bulk-layout,
.project-layout,
.quality-layout {
  display: grid;
  gap: 28px;
}

.finder-panel {
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.finder-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.finder-option,
.text-button {
  min-height: 42px;
  padding: 10px 13px;
  color: var(--charcoal);
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 750;
}

.finder-option.is-active {
  color: var(--surface);
  background: var(--blue);
  border-color: var(--blue);
}

.text-button {
  margin-top: 14px;
  color: var(--blue);
  background: transparent;
}

.finder-results {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.recommendation {
  display: grid;
  grid-template-columns: 76px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.recommendation img {
  width: 76px;
  height: 64px;
  object-fit: cover;
  border-radius: var(--radius);
}

.recommendation h3,
.recommendation p {
  margin: 0;
}

.recommendation p {
  color: var(--muted);
  font-size: 0.9rem;
}

.mini-order {
  min-height: 40px;
  padding: 9px 12px;
  color: var(--surface);
  background: var(--green);
  border-radius: var(--radius);
  font-weight: 850;
}

.stats-grid,
.application-grid {
  display: grid;
  gap: 16px;
}

.stat-card {
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.stat-icon {
  width: 42px;
  height: 42px;
  display: block;
  margin-bottom: 18px;
  background:
    linear-gradient(135deg, var(--blue) 0 48%, transparent 48% 52%, var(--green) 52%),
    var(--surface-strong);
  border-radius: var(--radius);
}

.stat-card h3,
.application-card h3 {
  margin: 0 0 8px;
  font-size: 1.12rem;
}

.stat-card p {
  margin: 0;
  color: var(--muted);
}

.applications-section {
  background: #ffffff;
}

.application-card {
  position: relative;
  min-height: 240px;
  display: flex;
  align-items: end;
  overflow: hidden;
  color: var(--surface);
  border-radius: var(--radius);
  background: var(--charcoal);
  box-shadow: var(--shadow-soft);
}

.application-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.08), rgba(17, 24, 39, 0.86));
}

.application-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 280ms ease;
}

.application-card div {
  position: relative;
  z-index: 1;
  padding: 18px;
}

.application-card p {
  max-height: 0;
  margin: 0;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.84);
  transition: max-height 220ms ease;
}

.application-card:hover p,
.application-card:focus-within p {
  max-height: 96px;
}

.bulk-section {
  color: var(--surface);
  background:
    linear-gradient(135deg, rgba(6, 57, 99, 0.94), rgba(8, 76, 56, 0.92)),
    var(--charcoal);
}

.bulk-copy .eyebrow,
.bulk-copy h2,
.bulk-copy p {
  color: var(--surface);
}

.bulk-copy p {
  color: rgba(255, 255, 255, 0.78);
}

.bulk-form {
  display: grid;
  gap: 14px;
  padding: 18px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.form-field {
  display: grid;
  gap: 6px;
}

.form-field label {
  font-size: 0.82rem;
  font-weight: 850;
  color: var(--charcoal);
}

.field-error {
  min-height: 16px;
  color: #b42318;
  font-size: 0.78rem;
}

.form-field.has-error input,
.form-field.has-error select,
.form-field.has-error textarea {
  border-color: #d92d20;
  box-shadow: 0 0 0 4px rgba(217, 45, 32, 0.12);
}

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

.project-layout {
  align-items: end;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--line);
}

.quality-layout {
  align-items: start;
}

.quality-list {
  display: grid;
  gap: 12px;
}

.quality-list p {
  margin: 0;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.faq-section {
  background: #ffffff;
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

summary {
  cursor: pointer;
  padding: 18px;
  font-weight: 850;
}

details p {
  margin: 0;
  padding: 0 18px 18px;
  color: var(--muted);
}

.sticky-actions {
  position: fixed;
  z-index: 90;
  right: 14px;
  bottom: 14px;
  display: flex;
  gap: 10px;
  align-items: center;
}

.sticky-whatsapp,
.sticky-call {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--surface);
  background: var(--green);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  box-shadow: var(--shadow);
}

.sticky-whatsapp {
  width: 52px;
}

.sticky-whatsapp strong {
  display: none;
}

.sticky-whatsapp span,
.sticky-call {
  font-weight: 900;
}

.sticky-call {
  width: 52px;
  background: var(--blue);
  font-size: 0.78rem;
}

.site-footer {
  color: var(--surface);
  background: #0c1722;
  padding: 54px 0 80px;
}

.footer-layout {
  display: grid;
  gap: 28px;
}

.site-footer h2 {
  max-width: 560px;
  margin: 0 0 12px;
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1;
}

.site-footer p {
  max-width: 580px;
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
}

.footer-links {
  display: grid;
  gap: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
}

.reveal.is-visible {
  animation: fadeUp 620ms ease forwards;
}

.hero .reveal:nth-child(2) {
  animation-delay: 80ms;
}

.hero .reveal:nth-child(3) {
  animation-delay: 160ms;
}

.hero .reveal:nth-child(4) {
  animation-delay: 240ms;
}

.hero .reveal:nth-child(5) {
  animation-delay: 320ms;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scrollDot {
  0% {
    transform: translateY(0);
    opacity: 0.35;
  }
  50% {
    transform: translateY(16px);
    opacity: 1;
  }
  100% {
    transform: translateY(0);
    opacity: 0.35;
  }
}

@media (min-width: 680px) {
  .container {
    width: min(100% - 48px, var(--max));
  }

  .product-grid,
  .stats-grid,
  .application-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .bulk-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 24px;
  }

  .form-field.full,
  .bulk-form .full {
    grid-column: 1 / -1;
  }

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

  .scroll-indicator {
    display: block;
  }
}

@media (min-width: 900px) {
  .menu-toggle {
    display: none;
  }

  .nav-menu {
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 22px;
    padding: 0;
    color: inherit;
    background: transparent;
    transform: none;
  }

  .nav-menu a {
    padding: 0;
    font-size: 0.92rem;
  }

  .nav-cta {
    margin-top: 0;
    padding: 11px 15px !important;
  }

  .hero-content {
    padding-bottom: 106px;
  }

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

  .finder-layout {
    grid-template-columns: 0.82fr 1.18fr;
    align-items: start;
  }

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

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

  .bulk-layout {
    grid-template-columns: 0.82fr 1.18fr;
    align-items: center;
  }

  .project-layout,
  .quality-layout,
  .footer-layout {
    grid-template-columns: 0.9fr 1.1fr;
  }

  .sticky-whatsapp {
    width: auto;
    gap: 10px;
    padding: 0 18px;
  }

  .sticky-whatsapp strong {
    display: block;
  }
}

@media (min-width: 1120px) {
  .section {
    padding: 104px 0;
  }

  .product-grid {
    gap: 22px;
  }
}

@media (max-width: 420px) {
  .hero h1 {
    font-size: 2.72rem;
  }

  .hero-actions .button,
  .order-actions {
    width: 100%;
  }

  .input-row,
  .order-actions,
  .recommendation {
    grid-template-columns: 1fr;
  }

  .recommendation img {
    width: 100%;
    height: 150px;
  }

  .best-for {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

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