:root {
  --ink: #f7fafc;
  --muted: #a8b4c2;
  --night: #0b0f14;
  --panel: #111923;
  --panel-soft: #172230;
  --line: rgba(255, 255, 255, 0.12);
  --cyan: #3fe0ff;
  --gold: #d6ad57;
  --red: #e35a4f;
  --paper: #f4f7f9;
  --dark-text: #17202b;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--night);
  line-height: 1.6;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  display: flex;
  width: 100%;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 4vw, 64px);
  background: rgba(6, 10, 14, 0.72);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: min(430px, 48vw);
  min-width: 0;
  font-weight: 800;
}

.brand-logo {
  width: 100%;
  height: auto;
  max-height: 54px;
  object-fit: contain;
  object-position: left center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 600;
}

.nav-links a {
  transition: color 180ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--ink);
}

.nav-current {
  color: var(--ink);
}

.hero {
  position: relative;
  display: grid;
  min-height: min(860px, 92vh);
  overflow: hidden;
  align-items: center;
  padding: 132px clamp(20px, 5vw, 80px) 72px;
}

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

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

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(5, 8, 11, 0.96) 0%, rgba(5, 8, 11, 0.78) 37%, rgba(5, 8, 11, 0.2) 72%),
    linear-gradient(180deg, rgba(5, 8, 11, 0.1) 0%, rgba(5, 8, 11, 0.82) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
}

.hero-logo {
  width: min(620px, 92vw);
  height: auto;
  margin: 0 0 28px;
  filter: drop-shadow(0 18px 36px rgba(0, 0, 0, 0.42));
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 10ch;
  margin: 0;
  font-size: clamp(3.4rem, 8vw, 7.6rem);
  line-height: 0.92;
  font-weight: 800;
}

.hero-copy {
  width: min(680px, 100%);
  margin: 26px 0 0;
  color: #d8e0e7;
  font-size: clamp(1.08rem, 1.7vw, 1.35rem);
}

.isaac-hero h1 {
  max-width: 8ch;
}

.audio-hero h1 {
  max-width: 11ch;
}

.safework-hero h1 {
  max-width: 10ch;
}

.audio-overlay {
  background:
    linear-gradient(90deg, rgba(5, 8, 11, 0.96) 0%, rgba(5, 8, 11, 0.76) 40%, rgba(5, 8, 11, 0.16) 74%),
    linear-gradient(180deg, rgba(66, 12, 70, 0.12) 0%, rgba(5, 8, 11, 0.86) 100%);
}

.safework-overlay {
  background:
    linear-gradient(90deg, rgba(5, 8, 11, 0.96) 0%, rgba(5, 8, 11, 0.74) 42%, rgba(5, 8, 11, 0.16) 76%),
    linear-gradient(180deg, rgba(20, 86, 54, 0.12) 0%, rgba(5, 8, 11, 0.86) 100%);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1px solid transparent;
  font-weight: 800;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

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

.button-primary {
  background: var(--cyan);
  color: #061016;
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.05);
  color: var(--ink);
}

.intro-band {
  padding: 0 clamp(20px, 5vw, 80px) 70px;
  background: linear-gradient(180deg, #0b0f14 0%, #111923 100%);
}

.intro-grid {
  display: grid;
  max-width: 1180px;
  margin: 0 auto;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
  box-shadow: var(--shadow);
}

.intro-grid article {
  min-height: 250px;
  padding: clamp(24px, 3vw, 36px);
  background: rgba(17, 25, 35, 0.96);
}

.metric {
  color: var(--gold);
  font-size: 0.85rem;
  font-weight: 800;
}

.intro-grid h2,
.section-heading h2,
.audio-copy h2,
.contact-section h2 {
  margin: 10px 0 0;
  font-size: clamp(2rem, 4vw, 4.4rem);
  line-height: 1;
}

.intro-grid h2 {
  font-size: clamp(1.35rem, 2vw, 1.85rem);
  line-height: 1.1;
}

.intro-grid p,
.section-heading p,
.capability p,
.product-card p,
.audio-copy p,
.contact-section p {
  color: var(--muted);
}

.section {
  padding: 90px clamp(20px, 5vw, 80px);
}

.section-heading {
  width: min(840px, 100%);
  margin-bottom: 42px;
}

.section-heading p:last-child {
  margin-top: 18px;
  font-size: 1.08rem;
}

.systems-section {
  background: var(--paper);
  color: var(--dark-text);
}

.systems-section .eyebrow {
  color: #0e6a78;
}

.systems-section .section-heading p,
.systems-section .capability p {
  color: #506071;
}

.capability-list {
  display: grid;
  max-width: 1160px;
  gap: 18px;
}

.capability {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  padding: clamp(22px, 3vw, 32px) 0;
  border-top: 1px solid rgba(23, 32, 43, 0.14);
}

.capability-icon {
  display: inline-grid;
  width: 68px;
  height: 68px;
  place-items: center;
  background: #0b3b46;
  color: var(--cyan);
  font-size: 0.8rem;
  font-weight: 800;
}

.capability h3,
.product-card h3 {
  margin: 0;
  font-size: clamp(1.35rem, 2.4vw, 2.1rem);
}

.capability p {
  max-width: 720px;
  margin: 8px 0 0;
}

.product-section {
  background:
    linear-gradient(135deg, rgba(227, 90, 79, 0.12), transparent 34%),
    #0b0f14;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
}

.product-card {
  min-height: 320px;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid var(--line);
  background: var(--panel);
}

.product-card.featured {
  background:
    linear-gradient(135deg, rgba(63, 224, 255, 0.18), rgba(214, 173, 87, 0.11)),
    var(--panel-soft);
}

.product-type {
  margin: 0 0 16px;
  color: var(--gold);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
}

.product-card p:not(.product-type) {
  margin: 14px 0 0;
}

.product-card a {
  display: inline-flex;
  margin-top: 28px;
  color: var(--cyan);
  font-weight: 800;
}

.text-link {
  display: inline-flex;
  margin-top: 18px;
  color: #0e6a78;
  font-weight: 800;
}

.audio-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(34px, 6vw, 90px);
  align-items: center;
  padding: 100px clamp(20px, 5vw, 80px);
  background: #f4f7f9;
  color: var(--dark-text);
}

.audio-section .eyebrow {
  color: #9a4a22;
}

.audio-copy p {
  max-width: 620px;
}

.wave-panel {
  display: grid;
  min-height: 280px;
  grid-template-columns: repeat(8, 1fr);
  gap: 12px;
  align-items: center;
  padding: clamp(18px, 4vw, 42px);
  border: 1px solid rgba(23, 32, 43, 0.12);
  background: linear-gradient(135deg, #ffffff, #e7edf1);
  box-shadow: 0 24px 70px rgba(23, 32, 43, 0.14);
}

.wave-panel span {
  display: block;
  width: 100%;
  background: linear-gradient(180deg, #0b3b46, #3fe0ff 48%, #d6ad57);
}

.wave-panel span:nth-child(1) { height: 34%; }
.wave-panel span:nth-child(2) { height: 74%; }
.wave-panel span:nth-child(3) { height: 50%; }
.wave-panel span:nth-child(4) { height: 92%; }
.wave-panel span:nth-child(5) { height: 58%; }
.wave-panel span:nth-child(6) { height: 82%; }
.wave-panel span:nth-child(7) { height: 42%; }
.wave-panel span:nth-child(8) { height: 66%; }

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(360px, 1.14fr);
  gap: clamp(32px, 6vw, 82px);
  align-items: start;
  padding: 90px clamp(20px, 5vw, 80px);
  background: #0b0f14;
  border-top: 1px solid var(--line);
}

.contact-copy {
  width: min(720px, 100%);
}

.contact-email {
  display: inline-flex;
  margin-top: 22px;
  color: var(--cyan);
  font-size: clamp(1.02rem, 1.8vw, 1.28rem);
  font-weight: 800;
}

.contact-panel {
  display: grid;
  gap: 18px;
}

.contact-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.contact-options article,
.contact-form {
  background: var(--panel);
}

.contact-options article {
  min-height: 180px;
  padding: clamp(20px, 3vw, 28px);
}

.contact-options span {
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 800;
}

.contact-options h3 {
  margin: 10px 0 0;
  font-size: clamp(1.15rem, 2vw, 1.55rem);
}

.contact-options p {
  margin: 10px 0 0;
}

.contact-form {
  display: grid;
  gap: 12px;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--line);
}

.contact-form label {
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 800;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
  font: inherit;
  padding: 13px 14px;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--cyan);
  outline: none;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form button {
  margin-top: 8px;
  cursor: pointer;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 80px);
  border-top: 1px solid var(--line);
  background: #070a0e;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--cyan);
  font-weight: 700;
}

.isaac-summary {
  padding-top: 0;
}

.audio-summary {
  padding-top: 0;
  background: linear-gradient(180deg, #0b0f14 0%, #171122 100%);
}

.safework-summary {
  padding-top: 0;
  background: linear-gradient(180deg, #0b0f14 0%, #102018 100%);
}

.isaac-architecture {
  background:
    linear-gradient(135deg, rgba(63, 224, 255, 0.12), transparent 38%),
    #0b0f14;
}

.architecture-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: clamp(24px, 5vw, 64px);
  align-items: center;
}

.architecture-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.architecture-list {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.architecture-list article {
  padding: clamp(22px, 3vw, 30px);
  background: rgba(17, 25, 35, 0.96);
}

.architecture-list h3,
.flow-steps h3 {
  margin: 0;
  font-size: clamp(1.25rem, 2vw, 1.7rem);
}

.architecture-list p,
.flow-steps p,
.flow-copy p {
  color: var(--muted);
}

.isaac-details .capability-icon {
  background: #102e3b;
}

.isaac-flow {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1.2fr);
  gap: clamp(34px, 6vw, 90px);
  align-items: start;
  padding: 100px clamp(20px, 5vw, 80px);
  background: #0e141c;
}

.flow-copy h2 {
  margin: 10px 0 0;
  font-size: clamp(2rem, 4vw, 4.4rem);
  line-height: 1;
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.flow-steps article {
  min-height: 220px;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--line);
  background: var(--panel);
}

.flow-steps span {
  display: inline-flex;
  margin-bottom: 16px;
  color: var(--gold);
  font-size: 0.86rem;
  font-weight: 800;
}

.neo-engine .capability-icon {
  background: #172044;
}

.neo-performance {
  background:
    linear-gradient(135deg, rgba(227, 90, 79, 0.14), transparent 34%),
    #0b0f14;
}

.feature-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card-grid article {
  min-height: 300px;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid var(--line);
  background: var(--panel);
}

.feature-card-grid span {
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 800;
}

.feature-card-grid h3 {
  margin: 12px 0 0;
  font-size: clamp(1.25rem, 2vw, 1.75rem);
}

.feature-card-grid p {
  color: var(--muted);
}

.neo-live-section {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr);
  gap: clamp(32px, 5vw, 70px);
  align-items: center;
  padding: 100px clamp(20px, 5vw, 80px);
  background: #f4f7f9;
  color: var(--dark-text);
}

.live-copy .eyebrow {
  color: #9a2675;
}

.live-copy h2 {
  margin: 10px 0 0;
  font-size: clamp(2rem, 4vw, 4.4rem);
  line-height: 1;
}

.live-copy p,
.live-list p {
  color: #506071;
}

.live-list {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.live-list article {
  padding-top: 18px;
  border-top: 1px solid rgba(23, 32, 43, 0.14);
}

.live-list h3 {
  margin: 0;
  font-size: clamp(1.15rem, 2vw, 1.55rem);
}

.neo-session {
  background:
    linear-gradient(135deg, rgba(63, 224, 255, 0.1), transparent 36%),
    #0e141c;
}

.safework-features .capability-icon {
  background: #123d2b;
}

.safework-workflow {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr);
  gap: clamp(32px, 5vw, 70px);
  align-items: center;
  padding: 100px clamp(20px, 5vw, 80px);
  background: #f4f7f9;
  color: var(--dark-text);
}

.safework-workflow .eyebrow {
  color: #127348;
}

.safework-marketing {
  background:
    linear-gradient(135deg, rgba(18, 115, 72, 0.15), transparent 36%),
    #0b0f14;
}

.signup-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: clamp(32px, 6vw, 82px);
  align-items: start;
  min-height: 100vh;
  padding: 150px clamp(20px, 5vw, 80px) 90px;
  background:
    linear-gradient(135deg, rgba(63, 224, 255, 0.11), transparent 34%),
    linear-gradient(180deg, #0b0f14, #102018);
}

.signup-copy h1 {
  margin: 0;
  font-size: clamp(3rem, 7vw, 6.6rem);
  line-height: 0.95;
}

.signup-copy p {
  width: min(640px, 100%);
  color: var(--muted);
  font-size: clamp(1.06rem, 1.7vw, 1.25rem);
}

.signup-form {
  box-shadow: var(--shadow);
}

.news-hero,
.news-list-section,
.news-admin-workspace,
.news-article {
  padding: 120px clamp(20px, 5vw, 80px) 80px;
}

.news-hero {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  min-height: 520px;
  background:
    linear-gradient(135deg, rgba(63, 224, 255, 0.12), transparent 36%),
    linear-gradient(180deg, #0b0f14, #111923);
}

.news-hero h1,
.news-admin-workspace h1,
.news-article h1 {
  margin: 0;
  font-size: clamp(3rem, 7vw, 6.8rem);
  line-height: 0.95;
}

.news-list-section {
  padding-top: 90px;
  background: #0b0f14;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}

.news-card,
.admin-news-item {
  border: 1px solid var(--line);
  background: var(--panel);
}

.news-card {
  min-height: 280px;
  padding: clamp(24px, 3vw, 34px);
}

.news-card h2 {
  margin: 10px 0 0;
  font-size: clamp(1.45rem, 2.4vw, 2.2rem);
  line-height: 1.05;
}

.news-card h2 a:hover,
.news-card h2 a:focus-visible {
  color: var(--cyan);
}

.news-card p:not(.eyebrow),
.news-date,
.article-date,
.article-summary,
.admin-news-item p,
.admin-note,
.form-message {
  color: var(--muted);
}

.news-date,
.article-date {
  margin-top: 24px;
  color: var(--gold);
  font-size: 0.88rem;
  font-weight: 800;
}

.news-admin-login {
  min-height: 100vh;
  padding: 150px clamp(20px, 5vw, 80px) 90px;
  background:
    linear-gradient(135deg, rgba(63, 224, 255, 0.11), transparent 34%),
    #0b0f14;
}

.news-admin-login .contact-form {
  width: min(680px, 100%);
}

.news-admin-login h1 {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  line-height: 0.98;
}

.news-admin-workspace {
  background:
    linear-gradient(135deg, rgba(214, 173, 87, 0.1), transparent 34%),
    #0b0f14;
}

.news-admin-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(330px, 0.95fr);
  gap: clamp(24px, 5vw, 64px);
  align-items: start;
}

.news-editor-form {
  box-shadow: var(--shadow);
}

.news-editor-form input[type="datetime-local"] {
  color-scheme: dark;
}

.checkbox-row {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.checkbox-row input {
  width: 18px;
  height: 18px;
}

.compact-heading {
  margin-bottom: 20px;
}

.compact-heading h2 {
  font-size: clamp(1.7rem, 3vw, 2.6rem);
}

.admin-news-list {
  display: grid;
  gap: 14px;
}

.admin-news-item {
  display: grid;
  gap: 18px;
  padding: clamp(20px, 3vw, 28px);
}

.admin-news-item h3 {
  margin: 0;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
}

.danger-button {
  border-color: rgba(227, 90, 79, 0.5);
  background: rgba(227, 90, 79, 0.12);
  color: #ffd0cc;
}

.news-article {
  max-width: 980px;
  margin: 0 auto;
  padding-top: 150px;
}

.article-summary {
  font-size: clamp(1.12rem, 1.8vw, 1.36rem);
}

.article-body {
  margin-top: 42px;
  border-top: 1px solid var(--line);
  padding-top: 34px;
}

.article-body p {
  color: #d8e0e7;
  font-size: 1.05rem;
}

@media (max-width: 900px) {
  .site-header {
    position: absolute;
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    width: 100%;
    flex-wrap: wrap;
  }

  .brand {
    width: min(390px, 86vw);
  }

  .hero {
    min-height: 820px;
    padding-top: 178px;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(5, 8, 11, 0.97) 0%, rgba(5, 8, 11, 0.78) 58%, rgba(5, 8, 11, 0.32) 100%),
      linear-gradient(180deg, rgba(5, 8, 11, 0.05) 0%, rgba(5, 8, 11, 0.86) 100%);
  }

  .intro-grid,
  .product-grid,
  .audio-section,
  .architecture-grid,
  .isaac-flow,
  .feature-card-grid,
  .neo-live-section,
  .safework-workflow,
  .signup-section,
  .news-admin-grid {
    grid-template-columns: 1fr;
  }

  .news-hero {
    align-items: flex-start;
    flex-direction: column;
  }

  .product-card {
    min-height: 260px;
  }

  .contact-section {
    align-items: flex-start;
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .brand {
    width: min(310px, 88vw);
  }

  .nav-links {
    gap: 10px 16px;
    font-size: 0.88rem;
  }

  h1 {
    max-width: 9ch;
    font-size: clamp(3rem, 16vw, 4.5rem);
  }

  .button {
    width: 100%;
  }

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

  .wave-panel {
    min-height: 220px;
    gap: 8px;
  }

  .flow-steps {
    grid-template-columns: 1fr;
  }

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

  .site-footer {
    flex-direction: column;
  }
}