:root {
  --black: #0A0A0A;
  --graphite: #1A1C1F;
  --anthracite: #25282C;
  --cool-gray: #A6ACB3;
  --off-white: #F5F5F5;
  --muted: #737981;
  --dark-text: #2F3439;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--black);
  color: var(--off-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.container {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #080808;
}

.site-header::after {
  content: "";
  display: block;
  height: 5px;
  background: linear-gradient(
    90deg,
    #25282C 0%,
    #25282C 10%,
    #34383D 15%,
    #747B83 24%,
    #A6ACB3 34%,
    #A6ACB3 46%,
    #7A8189 58%,
    #4A4F55 72%,
    #25282C 86%,
    #25282C 100%
  );
}

.header-inner {
  position: relative;
  min-height: 118px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-left: 1px solid rgba(255,255,255,0.34);
  border-right: 1px solid rgba(255,255,255,0.34);
}

.brand-cluster {
  position: relative;
  display: flex;
  align-items: center;
  gap: 28px;
  padding-left: 26px;
}

.brand {
  display: flex;
  align-items: center;
  position: relative;
  left: 2px;
  top: -2px;
}

.brand-logo {
  display: block;
  width: 238px;
  height: auto;
}

.brand-meta {
  position: relative;
  padding-left: 26px;
  top: 0px;
  color: #D7DBDF;
  font-size: 12px;
  line-height: 1.35;
  letter-spacing: 0.215em;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand-meta::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 1px;
  height: 48px;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.50);
}


.nav {
  align-self: stretch;
  display: flex;
  align-items: stretch;
  border-left: 1px solid rgba(255,255,255,0.34);
}

.nav a {
  min-width: 118px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border-right: 1px solid rgba(255,255,255,0.32);
  color: #D0D4D8;
  font-size: 15px;
  font-weight: 500;
  transition: background-color .2s ease, color .2s ease;
}

.nav a:hover {
  color: var(--black);
  background: var(--off-white);
}

/* =========================================================
   HERO — WHITE
   ========================================================= */

.hero {
  position: relative;
  min-height: calc(100vh - 123px);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--off-white);
  color: var(--black);
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--anthracite);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
  gap: 72px;
  align-items: center;
  padding: 112px 0 126px;
}

.eyebrow,
.section-label {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  margin-bottom: 24px;
}

.hero .eyebrow {
  color: #565B61;
}

.hero h1 {
  max-width: 820px;
  color: var(--black);
  font-size: clamp(58px, 7vw, 104px);
  line-height: 0.97;
  letter-spacing: -0.055em;
  font-weight: 500;
}

.hero h1 span {
  display: block;
  color: #747A81;
}

.hero-text {
  max-width: 640px;
  margin-top: 38px;
  color: var(--dark-text);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 44px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 26px;
  border-radius: 7px;
  font-size: 15px;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}

.button.primary {
  background: var(--black);
  color: var(--off-white);
}

.button.primary:hover {
  background: var(--anthracite);
}

.button.secondary {
  color: var(--black);
  border: 1px solid rgba(10,10,10,0.30);
}

.button.secondary:hover {
  border-color: var(--black);
}

/* ZEODEC SYSTEMS */
.hero-visual {
  display: flex;
  justify-content: flex-end;
}

.system-frame {
  position: relative;
  width: min(100%, 430px);
  aspect-ratio: 1 / 1.05;
  padding: 24px;
  border: 1px solid rgba(10,10,10,0.22);
  border-radius: 14px;
  background: var(--black);
}

.system-frame::before,
.system-frame::after {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 10px;
  pointer-events: none;
}

.system-frame::after {
  inset: 42px;
  border-style: dashed;
}

.frame-topline,
.frame-footer {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: #B9C0C7;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.frame-status {
  color: #FFFFFF;
}

.signal-grid {
  position: absolute;
  inset: 86px 42px 76px;
}

.signal-grid i {
  position: absolute;
  width: 46%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.68), transparent);
  transform-origin: left center;
}

.signal-grid i::before,
.signal-grid i::after {
  content: "";
  position: absolute;
  top: -2px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #FFFFFF;
}

.signal-grid i::before { left: 25%; }
.signal-grid i::after { right: 10%; }

.s1 { top: 18%; left: 8%; transform: rotate(28deg); }
.s2 { top: 30%; left: 42%; transform: rotate(-32deg); }
.s3 { top: 49%; left: 10%; transform: rotate(-16deg); }
.s4 { top: 60%; left: 48%; transform: rotate(24deg); }
.s5 { top: 75%; left: 14%; transform: rotate(18deg); }
.s6 { top: 82%; left: 50%; transform: rotate(-22deg); }

.frame-footer {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
}

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

.section {
  position: relative;
  padding: 112px 0;
}

.section::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
}

.section h2 {
  max-width: 650px;
  font-size: clamp(40px, 5vw, 66px);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 88px;
}

.section-copy {
  align-self: center;
}

.section-copy p {
  font-size: 16px;
  margin-bottom: 22px;
}

/* =========================================================
   ABOUT — BLACK
   ========================================================= */

.about-section {
  background: var(--black);
  color: var(--off-white);
  padding-top: 105px;
  padding-bottom: 105px;
}

.about-section::after {
  background: var(--cool-gray);
}

.about-section .section-label {
  color: #B8BEC5;
}

.about-section .section-copy p {
  color: #C2C7CD;
}

.principles {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.principles span {
  padding: 9px 14px;
  border: 1px solid rgba(255,255,255,0.28);
  border-radius: 999px;
  color: #E3E6E9;
  font-size: 12px;
}

/* =========================================================
   PRODUCTS — WHITE / NO SHADOWS
   ========================================================= */

.products-section {
  background: var(--off-white);
  color: var(--black);
}

.products-section::after {
  background: var(--anthracite);
}

.section-heading-row {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 70px;
  align-items: end;
  margin-bottom: 52px;
}

.products-section .section-label,
.section-intro {
  color: #565B61;
}

.section-intro {
  max-width: 360px;
  font-size: 15px;
}

.product-card {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 58px;
  align-items: stretch;
  padding: 52px;
  border: 1px solid rgba(10,10,10,0.22);
  border-radius: 16px;
  background: var(--off-white);
}

.product-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #5A6066;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 11px;
  margin-bottom: 24px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--black);
}

.product-brand-note {
  margin-bottom: 16px;
  color: #5A6066;
  font-size: 11px;
  letter-spacing: 0.22em;
}

.product-card h3 {
  color: var(--black);
  font-size: clamp(44px, 5vw, 64px);
  font-weight: 500;
  margin-bottom: 18px;
  letter-spacing: -0.045em;
}

.product-lead {
  max-width: 570px;
  color: var(--black);
  font-size: 19px;
}

.product-note {
  max-width: 580px;
  margin-top: 18px;
  color: #5A6066;
  font-size: 15px;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 34px;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(10,10,10,0.18);
  font-size: 13px;
}

.product-link-disabled {
  color: #666C72;
  cursor: default;
}

.product-preview {
  position: relative;
  min-height: 390px;
  padding: 24px;
  border: 1px solid rgba(10,10,10,0.22);
  border-radius: 12px;
  background: #0E0F10;
  overflow: hidden;
}

.preview-header {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255,255,255,0.10);
  color: #AEB4BB;
  font-size: 10px;
}

.risk-summary {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 24px;
  align-items: center;
  margin-top: 30px;
}

.risk-ring {
  width: 112px;
  height: 112px;
  display: grid;
  place-items: center;
  align-content: center;
  border: 8px solid var(--anthracite);
  border-top-color: var(--off-white);
  border-right-color: var(--cool-gray);
  border-radius: 50%;
}

.risk-ring span {
  color: var(--off-white);
  font-size: 28px;
  line-height: 1;
}

.risk-ring small {
  margin-top: 7px;
  color: var(--muted);
  font-size: 8px;
}

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

.risk-list div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--cool-gray);
  font-size: 10px;
}

.risk-list strong {
  color: var(--off-white);
  font-weight: 500;
}

.preview-lines {
  display: grid;
  gap: 13px;
  margin-top: 36px;
}

.preview-lines span {
  display: block;
  height: 11px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--anthracite), transparent);
}

.preview-lines span:nth-child(2) { width: 82%; }
.preview-lines span:nth-child(3) { width: 67%; }
.preview-lines span:nth-child(4) { width: 73%; }

/* =========================================================
   COMPANY — BLACK
   ========================================================= */

.contact-section {
  background: var(--black);
  color: var(--off-white);
  padding-bottom: 128px;
}

.contact-section::after {
  background: var(--cool-gray);
}

.contact-section .section-label {
  color: #B8BEC5;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 90px;
  align-items: end;
}

.contact-copy {
  color: #C2C7CD;
  font-size: 16px;
}

.contact-copy > p {
  max-width: 520px;
}

.contact-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 42px;
  padding-top: 26px;
  border-top: 1px solid rgba(255,255,255,0.18);
}

.contact-meta div {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.meta-label {
  color: #8F969D;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 9px;
}

/* =========================================================
   FOOTER — WHITE / NO SHADOWS
   ========================================================= */

.site-footer {
  min-height: 210px;
  display: flex;
  align-items: flex-end;
  padding: 72px 0 82px;
  background: var(--off-white);
  color: var(--black);
  border-top: 1px solid rgba(10,10,10,0.18);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  color: var(--dark-text);
  font-size: 12px;
}

.footer-links {
  display: flex;
  gap: 22px;
}

.footer-links a:hover {
  color: var(--black);
}

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

@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    justify-content: flex-start;
  }

  .section-heading-row,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .product-card {
    grid-template-columns: 1fr;
  }

  .brand-meta,
  .header-bars {
    display: block;
  }

  .brand-logo {
    width: 198px;
  }

  .header-inner {
    min-height: 96px;
  }
}

@media (max-width: 800px) {
  .container {
    width: min(calc(100% - 32px), var(--max-width));
  }

  .header-inner {
    min-height: 84px;
    border-left: 0;
    border-right: 0;
  }

  .brand-cluster {
    padding-left: 0;
  }

  .brand-logo {
    width: 160px;
  }

  .nav {
    border-left: 0;
  }

  .nav a {
    min-width: auto;
    padding: 0 10px;
    border-right: 0;
    font-size: 13px;
  }

  .site-header::after {
    height: 4px;
  }

  .hero-grid {
    padding: 86px 0 96px;
    gap: 52px;
  }

  .hero h1 {
    font-size: clamp(52px, 15vw, 82px);
  }

  .split {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .section,
  .about-section,
  .contact-section {
    padding: 82px 0;
  }

  .button {
    min-height: 50px;
    padding: 0 20px;
    font-size: 14px;
  }

  .product-card {
    padding: 30px;
    gap: 36px;
  }

  .product-preview {
    min-height: 330px;
  }

  .contact-meta {
    grid-template-columns: 1fr;
  }

  .site-footer {
    min-height: 180px;
    padding: 56px 0 64px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}


/* =========================================================
   HEADER DIAGONAL ORNAMENT — MIRRORED PAIR
   Edit ONLY the two left/top rules below to move each group.
   ========================================================= */

.brand-cluster {
  overflow: visible;
}

.header-bars {
  position: absolute;
  width: 142px;
  height: 36px;
  z-index: 20;
  overflow: visible;
  pointer-events: none;
}

/* Upper group: above the ZEODEC wordmark, without crossing it */
.header-bars-top {
  left: 160px;
  top: 1px;
}

/* Lower group: below/left of the ZEODEC wordmark, mirror placement */
.header-bars-bottom {
  left: 20px;
  bottom: -25px;
}

.header-bars .bar {
  position: absolute;
  height: 3px;
  border-radius: 999px;
  transform-origin: left center;
  opacity: 1;
}

/* Same diagonal direction for both groups, as in the user's sketch */
.header-bars-top .bar,
.header-bars-bottom .bar {
  transform: rotate(-24deg);
}

/* Preserve one coherent 4-bar graphic in each group */
/* =========================
   TOP BARS — 4 indipendent
   ========================= */

.header-bars-top .bar-1 {
  left: 34px;
  top: 6px;
  width: 36px;
  background: rgba(245,245,245,0.72);
}

.header-bars-top .bar-2 {
  left: 22px;
  top: 18px;
  width: 66px;
  background: rgba(166,172,179,0.92);
}

.header-bars-top .bar-3 {
  left: 68px;
  top: 4px;
  width: 32px;
  background: rgba(245,245,245,0.55);
}

.header-bars-top .bar-4 {
  left: 52px;
  top: 18px;
  width: 66px;
  background: rgba(79,84,89,1);
}


/* =========================
   BOTTOM BARS — 4 independent
   ========================= */

.header-bars-bottom .bar-1 {
  left: 5px;
  top: 15px;
  width: 36px;
  background: rgba(245,245,245,0.72);
}

.header-bars-bottom .bar-2 {
  left: 19px;
  top: 15px;
  width: 66px;
  background: rgba(166,172,179,0.92);
}

.header-bars-bottom .bar-3 {
  left: 34px;
  top: 15px;
  width: 33px;
  background: rgba(245,245,245,0.55);
}

.header-bars-bottom .bar-4 {
  left: 49px;
  top: 15px;
  width: 66px;
  background: rgba(79,84,89,1);
}

/* No shadows or haze on any white section */
.hero,
.products-section,
.site-footer,
.hero *,
.products-section *,
.site-footer * {
  box-shadow: none !important;
  filter: none !important;
}

.products-section {
  background: #F5F5F5 !important;
}

.products-section .product-card {
  background: #F5F5F5 !important;
  box-shadow: none !important;
}

@media (max-width: 980px) {
  .header-bars {
    display: block !important;
  }
}

/* =========================================================
   ZEODEC — MOBILE HEADER PRESERVATION
   Desktop design remains untouched.
   ========================================================= */

@media (max-width: 800px) {
  .header-inner {
    min-height: 118px;
    align-items: center;
  }

  .brand-cluster {
    position: relative;
    padding-left: 0;
    gap: 10px;
    overflow: visible;
  }

  .brand-logo {
    width: 150px;
  }

  .brand-meta {
    display: block !important;
    padding-left: 12px;
    font-size: 8px;
    letter-spacing: 0.15em;
    line-height: 1.25;
    white-space: nowrap;
  }

  .brand-meta::before {
    height: 34px;
  }

  .header-bars {
    display: block !important;
    width: 82px;
    height: 26px;
    overflow: visible;
  }

  .header-bars-top {
    left: 54px;
    top: 2px;;
  }

  .header-bars-bottom {
    left: 8px;
    bottom: -18px;
  }

  .header-bars .bar {
    height: 2px;
  }

  .nav a {
    padding: 0 7px;
    font-size: 12px;
  }
    .header-inner {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .nav {
    width: 100%;
    display: flex;
    justify-content: flex-start;
    margin-top: 8px;
    border-left: 0;
  }

  .nav a {
    min-width: auto;
    padding: 0 12px;
    font-size: 12px;
  }
}