:root {
  --ink: #172022;
  --muted: #5a676b;
  --line: #d8dedb;
  --paper: #f7f8f4;
  --white: #ffffff;
  --forest: #0f3b35;
  --teal: #19756b;
  --copper: #b7794b;
  --gold: #d0ad6c;
  --steel: #6e7d80;
  --charcoal: #1f282b;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 54px);
  background: rgba(247, 248, 244, 0.94);
  border-bottom: 1px solid rgba(23, 32, 34, 0.12);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 176px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--forest);
  color: var(--gold);
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 2vw, 28px);
  color: #334044;
  font-size: 14px;
  font-weight: 600;
}

.nav a:hover,
.contact-lines a:hover {
  color: var(--teal);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 18px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-weight: 700;
  white-space: nowrap;
}

.header-cta,
.button.primary,
.whatsapp-form {
  background: var(--copper);
  color: #fff;
}

.whatsapp-form {
  grid-column: 1 / -1;
  background: var(--forest);
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.hero {
  position: relative;
  min-height: calc(100vh - 70px);
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: clamp(54px, 8vw, 104px) clamp(20px, 5vw, 76px);
}

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

.hero-image {
  object-fit: cover;
}

.hero-overlay {
  background: linear-gradient(90deg, rgba(9, 19, 20, 0.9) 0%, rgba(9, 19, 20, 0.74) 38%, rgba(9, 19, 20, 0.26) 75%, rgba(9, 19, 20, 0.12) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(760px, 100%);
  color: #fff;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--copper);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(42px, 7vw, 78px);
  line-height: 0.98;
  letter-spacing: 0;
  max-width: 860px;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4.4vw, 52px);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 19px;
}

.hero-copy {
  width: min(640px, 100%);
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(17px, 2.1vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 42px;
  width: min(680px, 100%);
}

.hero-metrics div {
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  border-radius: 8px;
}

.hero-metrics strong,
.hero-metrics span {
  display: block;
}

.hero-metrics strong {
  font-size: 20px;
}

.hero-metrics span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.section {
  padding: clamp(64px, 9vw, 118px) clamp(20px, 5vw, 76px);
}

.section-heading {
  max-width: 850px;
  margin-bottom: 36px;
}

.section-heading h2 {
  margin-bottom: 0;
}

.intro-grid,
.support-grid,
.steps,
.swatch-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.intro-grid article,
.support-grid article,
.steps div,
.swatch-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.intro-grid article {
  padding: 28px;
}

.intro-grid p,
.split-copy p,
.applications-copy p,
.contact-copy p {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
  background: #eef2ed;
}

.split-copy {
  max-width: 680px;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  font-weight: 650;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--teal);
}

.image-panel img,
.applications-image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px rgba(31, 40, 43, 0.14);
}

.color-section {
  background: var(--forest);
  color: #fff;
}

.color-section .section-heading {
  color: #fff;
}

.swatch-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.swatch-card {
  min-height: 188px;
  padding: 14px;
  color: var(--ink);
}

.swatch {
  display: block;
  width: 100%;
  height: 86px;
  margin-bottom: 14px;
  border-radius: 6px;
  border: 1px solid rgba(23, 32, 34, 0.14);
}

.swatch-card strong,
.swatch-card small {
  display: block;
}

.swatch-card small {
  margin-top: 6px;
  color: var(--muted);
}

.black-silver {
  background: radial-gradient(circle at 25% 20%, #b9c0bd 0 1px, transparent 2px), linear-gradient(135deg, #101416, #4f5b5f 52%, #151a1d);
}

.champagne {
  background: linear-gradient(135deg, #9d7f4f, #f0d08d, #a27a4d);
}

.bronze {
  background: linear-gradient(135deg, #2c2019, #9f663e, #513524);
}

.grey-silver {
  background: radial-gradient(circle at 30% 35%, #f2f5f2 0 1px, transparent 2px), linear-gradient(135deg, #2e383b, #8f9b9c, #374145);
}

.copper {
  background: linear-gradient(135deg, #6f351e, #c7894a, #f0be73, #71351f);
}

.matte-black {
  background: linear-gradient(135deg, #101313, #262e2f, #0b0d0d);
}

.applications {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(0, 0.9fr);
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
}

.application-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.application-list span {
  padding: 10px 13px;
  background: #e6ece8;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-weight: 650;
}

.support {
  background: #ffffff;
}

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

.support-grid article {
  padding: 22px;
}

.support-grid strong,
.support-grid span {
  display: block;
}

.support-grid strong {
  color: var(--teal);
  font-size: 22px;
}

.support-grid span {
  margin-top: 8px;
  color: var(--muted);
}

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

.steps div {
  padding: 24px;
}

.steps b,
.steps strong {
  display: block;
}

.steps b {
  margin-bottom: 18px;
  color: var(--copper);
  font-size: 30px;
}

.steps p {
  margin: 10px 0 0;
  color: var(--muted);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: clamp(32px, 6vw, 72px);
  background: var(--charcoal);
  color: #fff;
}

.contact-copy p {
  color: rgba(255, 255, 255, 0.72);
}

.contact-lines {
  display: grid;
  gap: 10px;
  margin-top: 28px;
  color: rgba(255, 255, 255, 0.82);
}

.inquiry-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 24px;
  background: #fff;
  color: var(--ink);
  border-radius: 8px;
}

.inquiry-form label {
  display: grid;
  gap: 7px;
  color: #344245;
  font-size: 13px;
  font-weight: 750;
}

.inquiry-form label:nth-last-child(3),
.inquiry-form button,
.inquiry-form .whatsapp-form {
  grid-column: 1 / -1;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #cfd7d3;
  border-radius: 6px;
  padding: 12px;
  font: inherit;
  background: #fbfcfa;
}

textarea {
  resize: vertical;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 24px clamp(20px, 5vw, 76px);
  background: #111719;
  color: rgba(255, 255, 255, 0.72);
}

.footer strong {
  color: #fff;
}

.floating-whatsapp {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: 999px;
  background: #1f8f58;
  color: #fff;
  font-weight: 800;
  box-shadow: 0 12px 34px rgba(15, 59, 53, 0.28);
}

@media (max-width: 980px) {
  .nav {
    display: none;
  }

  .split,
  .applications,
  .contact {
    grid-template-columns: 1fr;
  }

  .intro-grid,
  .support-grid,
  .steps,
  .swatch-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 12px 16px;
  }

  .header-cta {
    display: none;
  }

  .hero {
    min-height: 780px;
    align-items: flex-end;
    padding: 72px 18px 36px;
  }

  .hero-overlay {
    background: linear-gradient(180deg, rgba(9, 19, 20, 0.22) 0%, rgba(9, 19, 20, 0.9) 56%, rgba(9, 19, 20, 0.95) 100%);
  }

  .hero-metrics,
  .intro-grid,
  .support-grid,
  .steps,
  .swatch-grid,
  .inquiry-form {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 58px 18px;
  }

  .footer {
    flex-direction: column;
  }

  .floating-whatsapp {
    right: 14px;
    bottom: 14px;
  }
}