:root {
  --bg: #030608;
  --section: #071014;
  --card: #10171c;
  --card2: #0b1115;
  --line: rgba(255, 255, 255, 0.14);
  --line-strong: rgba(255, 75, 11, 0.45);
  --orange: #ff4b0b;
  --orange2: #ff641c;
  --white: #f4f4f4;
  --muted: #b9c0c5;
  --dim: #747d84;
  --max: 1200px;
  --headline: "Arial Black", Impact, "Helvetica Neue", Arial, sans-serif;
  --nav-font: "Barlow Condensed", "Oswald", "Arial Narrow", Impact, sans-serif;
  --body: Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 80% 0%, rgba(255, 75, 11, 0.08), transparent 28%),
    linear-gradient(180deg, #030608 0%, #071014 50%, #030608 100%);
  color: var(--white);
  font-family: var(--body);
  overflow-x: hidden;
}

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

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

/* ================= HEADER UPGRADE ================= */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  min-height: 96px;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 10px 30px 10px 18px;
  background:
    linear-gradient(180deg, rgba(3, 6, 8, 0.97), rgba(3, 6, 8, 0.82)),
    linear-gradient(90deg, rgba(255,75,11,0.13), transparent 38%);
  border-bottom: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 16px 46px rgba(0,0,0,0.38);
  backdrop-filter: blur(16px);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), rgba(255,75,11,0.2), transparent 70%);
  pointer-events: none;
}

.brand {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  margin-left: 0;
  padding-left: 0;
}

.brand img {
  width: clamp(300px, 27vw, 460px);
  max-height: 86px;
  height: auto;
  object-fit: contain;
  object-position: left center;
  filter: drop-shadow(0 10px 22px rgba(0,0,0,0.35));
}

.desktop-nav {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(24px, 3vw, 54px);
  font-family: var(--nav-font);
  font-size: clamp(17px, 1.35vw, 21px);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.105em;
}

.desktop-nav a {
  position: relative;
  color: rgba(255,255,255,0.78);
  line-height: 1;
  padding: 18px 0;
  transition: color 180ms ease, transform 180ms ease;
}

.desktop-nav a:hover {
  color: var(--white);
  transform: translateY(-1px);
}

.desktop-nav a::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 7px;
  width: 0;
  height: 2px;
  background: var(--orange);
  box-shadow: 0 0 18px rgba(255,75,11,0.55);
  transform: translateX(-50%);
  transition: width 180ms ease;
}

.desktop-nav a:hover::before {
  width: 100%;
}

.header-cta {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--orange2), var(--orange));
  color: white;
  font-family: var(--nav-font);
  font-size: 18px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow: 0 14px 34px rgba(255,75,11,0.22);
}

.header-cta:hover { filter: brightness(1.1); }

.nav-toggle {
  display: none;
  width: 48px;
  height: 42px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  color: white;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  border-radius: 2px;
  cursor: pointer;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
}

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

.hero,
.product-page-hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 152px clamp(22px, 4vw, 56px) 70px;
}

.hero-slider,
.product-hero-bg {
  position: absolute;
  inset: 0;
}

.hero-slider img,
.product-hero-bg img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-slider img {
  opacity: 0;
  transform: scale(1.02);
  transition: opacity 1000ms ease, transform 7000ms ease;
}

.hero-slider img.active {
  opacity: 1;
  transform: scale(1.08);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(3, 6, 8, 0.96) 0%, rgba(3, 6, 8, 0.78) 36%, rgba(3, 6, 8, 0.14) 78%),
    linear-gradient(180deg, rgba(3, 6, 8, 0.12), rgba(3, 6, 8, 0.82)),
    rgba(0, 0, 0, 0.34);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--orange);
  font-family: var(--nav-font);
  font-size: 18px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

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

.hero h1,
.product-page-hero h1 {
  margin: 0 0 24px;
  font-family: var(--headline);
  font-size: clamp(46px, 7vw, 84px);
  line-height: 0.94;
  letter-spacing: -0.055em;
  text-transform: uppercase;
  color: var(--white);
  text-shadow: 0 6px 30px rgba(0,0,0,0.45);
}

.hero h1 span,
.product-page-hero h1 span,
.section-title em,
.site-footer span {
  color: var(--orange);
  font-style: normal;
}

.hero-copy {
  max-width: 560px;
  margin-bottom: 28px;
  color: rgba(255,255,255,0.78);
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.55;
  font-weight: 600;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 15px 26px;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--nav-font);
  font-size: 18px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.055em;
}

.btn-primary {
  background: linear-gradient(180deg, var(--orange2), var(--orange));
  color: white;
  box-shadow: 0 18px 42px rgba(255, 75, 11, 0.22);
}

.btn-primary:hover { filter: brightness(1.08); }

.btn-secondary {
  background: rgba(3,6,8,0.42);
  color: white;
  border-color: var(--line-strong);
}

.btn-secondary:hover {
  border-color: var(--orange);
  background: rgba(255, 75, 11, 0.08);
}

/* ================= SECTIONS ================= */

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 58px 20px;
}

.section-title {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 22px;
  margin-bottom: 28px;
}

.section-title span {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--orange), transparent);
  opacity: 0.9;
}

.section-title h2 {
  margin: 0;
  text-align: center;
  font-family: var(--headline);
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  text-transform: uppercase;
  white-space: nowrap;
}

.section-title.compact h2 {
  font-size: clamp(20px, 2.6vw, 30px);
}

.stone-band {
  max-width: none;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255,75,11,0.035), transparent 28%),
    #050a0d;
}

.stone-band .section-title,
.stone-grid {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
}

.stone-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.stone-grid figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  min-height: 230px;
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 8px;
}

.stone-grid img {
  width: 100%;
  height: 100%;
  min-height: 230px;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.1);
  transition: transform 260ms ease;
}

.stone-grid figure:hover img { transform: scale(1.05); }

.stone-grid figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 24px 18px;
  background: linear-gradient(180deg, transparent, rgba(3,6,8,0.92));
  font-family: var(--headline);
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: -0.03em;
}

.proof-section { padding-top: 42px; }

.scroll-gallery {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 18px;
  scrollbar-width: thin;
  scrollbar-color: var(--orange) #1b2328;
}

.scroll-gallery article {
  position: relative;
  flex: 0 0 190px;
  height: 170px;
  overflow: hidden;
  border-radius: 8px;
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.16);
}

.scroll-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scroll-gallery p {
  position: absolute;
  inset: auto 0 0;
  margin: 0;
  padding: 32px 12px 12px;
  background: linear-gradient(180deg, transparent, rgba(3,6,8,0.96));
  color: rgba(255,255,255,0.88);
  font-size: 12px;
  line-height: 1.25;
}

.scroll-gallery strong { color: white; }

.product-preview {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.product-card {
  overflow: hidden;
  background:
    radial-gradient(circle at 25% 10%, rgba(255,75,11,0.12), transparent 24%),
    linear-gradient(180deg, #11181d, #070c10);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 10px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.03);
}

.product-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #050708;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.product-body { padding: 24px; }

.product-kicker {
  margin: 0 0 2px;
  color: var(--orange);
  font-family: var(--headline);
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.product-body h3 {
  margin: 0 0 14px;
  font-family: var(--headline);
  font-size: clamp(34px, 4vw, 46px);
  line-height: 0.95;
  letter-spacing: -0.05em;
  text-transform: uppercase;
}

.product-body ul {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.product-body li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 26px;
  color: var(--muted);
  font-weight: 700;
  line-height: 1.35;
}

.product-body li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: -1px;
  color: var(--orange);
  font-weight: 900;
}

.product-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,0.15);
}

.cta {
  max-width: var(--max);
  margin: 0 auto 40px;
  padding: 34px 20px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(255,75,11,0.1), transparent),
    #081015;
}

.cta h2 {
  margin: 0 0 8px;
  font-family: var(--headline);
  font-size: clamp(30px, 4vw, 44px);
  line-height: 0.98;
  letter-spacing: -0.045em;
  text-transform: uppercase;
}

.cta p {
  margin: 0;
  color: var(--muted);
  font-weight: 700;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 10px;
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  background: #070c10;
}

th, td {
  padding: 18px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  text-align: left;
}

th {
  color: white;
  background: #11181d;
  font-family: var(--nav-font);
  font-size: 17px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

td {
  color: var(--muted);
  font-weight: 700;
}

td:first-child {
  color: white;
  font-family: var(--headline);
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.site-footer {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr 1fr;
  gap: 34px;
  padding: 42px clamp(20px, 4vw, 58px);
  background: #05080a;
  border-top: 1px solid rgba(255,255,255,0.14);
}

.site-footer img {
  width: 280px;
  height: auto;
  margin-bottom: 18px;
}

.site-footer h3 {
  margin: 0 0 16px;
  font-family: var(--nav-font);
  font-size: 20px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: white;
}

.site-footer p,
.site-footer a,
.email-button {
  display: block;
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.site-footer a:hover,
.email-button:hover { color: var(--orange); }

.email-button {
  padding: 0;
  background: transparent;
  border: 0;
  text-align: left;
  cursor: pointer;
}

.floating-whatsapp {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 90;
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: #13b83f;
  color: white;
  font-size: 30px;
  font-weight: 900;
  box-shadow: 0 16px 42px rgba(0,0,0,0.45);
}

/* ================= RESPONSIVE ================= */

@media (max-width: 1120px) {
  .brand img {
    width: clamp(260px, 31vw, 360px);
  }

  .desktop-nav {
    gap: 26px;
    font-size: 18px;
  }
}

@media (max-width: 980px) {
  .site-header {
    min-height: 82px;
    padding: 10px 18px;
    justify-content: space-between;
  }

  .brand img {
    width: clamp(230px, 52vw, 330px);
    max-height: 68px;
  }

  .desktop-nav {
    position: absolute;
    top: 82px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 14px 22px;
    background: rgba(3,6,8,0.98);
    border-bottom: 1px solid var(--line);
  }

  .desktop-nav.open { display: flex; }

  .desktop-nav a {
    width: 100%;
    padding: 16px 0;
  }

  .nav-toggle { display: inline-flex; }

  .header-cta { display: none; }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(3,6,8,0.58), rgba(3,6,8,0.92)),
      rgba(0,0,0,0.35);
  }

  .hero-content { max-width: 680px; }

  .product-preview,
  .site-footer,
  .cta {
    grid-template-columns: 1fr;
  }

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

  .section-title { grid-template-columns: 1fr; }

  .section-title span { display: none; }

  .section-title h2 {
    white-space: normal;
  }
}

@media (max-width: 620px) {
  .site-header {
    min-height: 74px;
    padding: 8px 14px;
  }

  .brand img {
    width: clamp(210px, 64vw, 270px);
    max-height: 58px;
  }

  .desktop-nav { top: 74px; }

  .hero,
  .product-page-hero {
    min-height: 86vh;
    padding: 122px 18px 54px;
  }

  .hero h1,
  .product-page-hero h1 {
    font-size: clamp(42px, 15vw, 58px);
  }

  .button-row,
  .product-actions {
    grid-template-columns: 1fr;
    display: grid;
    width: 100%;
  }

  .btn { width: 100%; }

  .stone-grid { grid-template-columns: 1fr; }

  .scroll-gallery article {
    flex-basis: 240px;
    height: 180px;
  }

  .floating-whatsapp {
    width: 56px;
    height: 56px;
    right: 18px;
    bottom: 18px;
  }
}
