:root {
  --ink: #e8f7ff;
  --muted: #94a9b8;
  --dim: #5f7384;
  --line: rgba(132, 220, 255, 0.2);
  --line-strong: rgba(90, 234, 255, 0.42);
  --paper: #06101b;
  --panel: rgba(9, 22, 36, 0.78);
  --panel-strong: rgba(10, 28, 46, 0.92);
  --white: #ffffff;
  --cyan: #58eaff;
  --teal: #19c6b5;
  --blue: #2f7dff;
  --green: #67f2a7;
  --amber: #f2c46d;
  --rose: #ff6b9a;
  --shadow: 0 26px 90px rgba(0, 0, 0, 0.34);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, #06101b 0%, #081728 46%, #07111e 100%),
    var(--paper);
  font-family:
    Arial,
    "PingFang SC",
    "Microsoft YaHei",
    sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    linear-gradient(rgba(88, 234, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(88, 234, 255, 0.045) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.2));
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    linear-gradient(115deg, transparent 0 28%, rgba(47, 125, 255, 0.16) 38%, transparent 52%),
    linear-gradient(245deg, transparent 0 42%, rgba(25, 198, 181, 0.15) 52%, transparent 66%);
  opacity: 0.78;
}

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

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

.neural-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  opacity: 0.48;
}

.ambient-field {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    repeating-linear-gradient(0deg, transparent 0 11px, rgba(88, 234, 255, 0.025) 12px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 26%);
  mix-blend-mode: screen;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto minmax(260px, 1fr);
  align-items: center;
  gap: 24px;
  padding: 12px clamp(18px, 4vw, 56px);
  color: var(--ink);
  background: rgba(5, 14, 26, 0.78);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(20px) saturate(140%);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  position: relative;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  color: #06101b;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 8px;
  box-shadow:
    0 0 26px rgba(88, 234, 255, 0.36),
    inset 0 0 18px rgba(255, 255, 255, 0.34);
  font-weight: 900;
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: -5px;
  border: 1px solid rgba(88, 234, 255, 0.22);
  border-radius: 10px;
}

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

.brand strong {
  font-size: 15px;
  letter-spacing: 0;
}

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

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  color: #c8d8e4;
  font-size: 14px;
}

.nav-links a {
  position: relative;
  padding: 7px 0;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transform: scaleX(0.45);
  transition: 0.2s ease;
}

.nav-links a:hover {
  color: var(--cyan);
}

.nav-links a:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

.header-contact {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  color: #c8d8e4;
  font-size: 14px;
}

.copy-btn,
.header-contact button,
.contact-actions button,
.modal-actions button {
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: rgba(88, 234, 255, 0.08);
  cursor: pointer;
}

.copy-btn,
.header-contact button {
  min-height: 36px;
  padding: 0 13px;
  border-radius: 8px;
  box-shadow: inset 0 0 18px rgba(88, 234, 255, 0.08);
}

.copy-btn:hover,
.header-contact button:hover {
  color: #06101b;
  background: var(--cyan);
}

.hero {
  position: relative;
  min-height: calc(100vh - 69px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 380px);
  align-items: end;
  gap: clamp(28px, 5vw, 76px);
  padding: clamp(76px, 10vw, 124px) clamp(18px, 5vw, 76px) clamp(46px, 7vw, 92px);
  overflow: hidden;
  color: var(--white);
  isolation: isolate;
}

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

.hero-bg {
  z-index: -4;
  background:
    linear-gradient(90deg, rgba(5, 12, 23, 0.96), rgba(6, 17, 31, 0.82) 40%, rgba(6, 17, 31, 0.32)),
    linear-gradient(180deg, rgba(5, 12, 23, 0.15), #06101b 96%),
    url("./assets/hero-security-ai.png") center / cover no-repeat;
  filter: saturate(1.14) contrast(1.08);
  transform: scale(1.02);
}

.hero-grid {
  z-index: -3;
  opacity: 0.8;
  background:
    linear-gradient(90deg, rgba(88, 234, 255, 0.14) 1px, transparent 1px),
    linear-gradient(rgba(88, 234, 255, 0.1) 1px, transparent 1px),
    linear-gradient(125deg, transparent 0 47%, rgba(88, 234, 255, 0.22) 48%, transparent 52%);
  background-size: 78px 78px, 78px 78px, 100% 100%;
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.5), transparent 68%);
  animation: gridDrift 14s linear infinite;
}

.orbit-stage {
  position: absolute;
  top: 16%;
  right: clamp(18px, 7vw, 112px);
  z-index: -1;
  width: min(42vw, 520px);
  aspect-ratio: 1;
  opacity: 0.78;
  pointer-events: none;
  perspective: 900px;
}

.orbit-ring,
.orbit-node,
.holo-core {
  position: absolute;
  display: block;
  border-radius: 50%;
}

.orbit-ring {
  inset: 11%;
  border: 1px solid rgba(88, 234, 255, 0.32);
  box-shadow:
    inset 0 0 28px rgba(88, 234, 255, 0.08),
    0 0 30px rgba(88, 234, 255, 0.12);
  transform: rotateX(66deg) rotateZ(22deg);
}

.ring-b {
  inset: 24%;
  border-color: rgba(103, 242, 167, 0.34);
  transform: rotateX(64deg) rotateZ(-38deg);
  animation: ringPulse 5s ease-in-out infinite;
}

.holo-core {
  inset: 42%;
  border: 1px solid rgba(255, 255, 255, 0.52);
  background:
    linear-gradient(135deg, rgba(88, 234, 255, 0.22), rgba(103, 242, 167, 0.16)),
    rgba(255, 255, 255, 0.04);
  box-shadow:
    0 0 28px rgba(88, 234, 255, 0.46),
    inset 0 0 18px rgba(255, 255, 255, 0.28);
  animation: coreBlink 2.6s ease-in-out infinite;
}

.orbit-node {
  width: 9px;
  height: 9px;
  background: var(--cyan);
  box-shadow: 0 0 18px var(--cyan);
}

.node-a {
  top: 20%;
  left: 26%;
}

.node-b {
  right: 15%;
  top: 42%;
  background: var(--green);
  box-shadow: 0 0 18px var(--green);
}

.node-c {
  left: 48%;
  bottom: 15%;
  background: var(--amber);
  box-shadow: 0 0 18px var(--amber);
}

.hero-content,
.contact-card {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 790px;
}

.eyebrow,
.card-kicker {
  margin: 0 0 12px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
  text-shadow: 0 0 18px rgba(88, 234, 255, 0.38);
}

.hero h1 {
  margin: 0;
  font-size: clamp(62px, 12vw, 124px);
  line-height: 0.92;
  letter-spacing: 0;
  text-shadow:
    0 0 28px rgba(88, 234, 255, 0.36),
    0 10px 40px rgba(0, 0, 0, 0.52);
}

.hero-domain {
  margin: 18px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  color: #e8f7ff;
  font-size: clamp(23px, 3.2vw, 35px);
  font-weight: 900;
}

.hero-domain span {
  color: var(--amber);
  font-size: 0.62em;
  font-weight: 900;
  text-shadow: 0 0 18px rgba(242, 196, 109, 0.28);
}

.hero-lede {
  max-width: 720px;
  margin: 24px 0 0;
  color: #d2e5ef;
  font-size: clamp(16px, 2vw, 20px);
}

.hero-actions,
.contact-actions,
.modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 32px;
}

.primary-action,
.secondary-action,
.submit-btn,
.modal-actions a,
.contact-actions a,
.contact-actions button,
.modal-actions button {
  position: relative;
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border-radius: 8px;
  font-weight: 900;
  overflow: hidden;
}

.primary-action,
.submit-btn,
.modal-actions button {
  color: #031018;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  border: 1px solid rgba(255, 255, 255, 0.38);
  box-shadow:
    0 0 28px rgba(88, 234, 255, 0.28),
    inset 0 0 16px rgba(255, 255, 255, 0.34);
}

.secondary-action,
.contact-actions a,
.contact-actions button,
.modal-actions a {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line-strong);
  box-shadow: inset 0 0 18px rgba(88, 234, 255, 0.07);
}

.primary-action::after,
.submit-btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 0 35%, rgba(255, 255, 255, 0.6) 48%, transparent 62%);
  transform: translateX(-120%);
  transition: transform 0.5s ease;
}

.primary-action:hover::after,
.submit-btn:hover::after {
  transform: translateX(120%);
}

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

.hero-proof span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 11px;
  color: #e8f5f8;
  background: rgba(7, 21, 36, 0.62);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: inset 0 0 18px rgba(88, 234, 255, 0.06);
  font-size: 13px;
}

.hero-proof i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 13px var(--green);
}

.contact-card,
.identity-panel,
.bio-panel,
.company-panel,
.book-panel,
.cert-panel,
.training-panel,
.team-panel,
.metric-list,
.service-group,
.sticky-panel,
.timeline article,
.modal {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.025)),
    var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px) saturate(125%);
}

.contact-card::before,
.identity-panel::before,
.bio-panel::before,
.company-panel::before,
.book-panel::before,
.cert-panel::before,
.training-panel::before,
.team-panel::before,
.metric-list::before,
.service-group::before,
.sticky-panel::before,
.timeline article::before,
.modal::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background:
    linear-gradient(90deg, var(--cyan), transparent 26%, transparent 74%, var(--green)) top / 100% 1px no-repeat,
    linear-gradient(180deg, var(--cyan), transparent 34%, transparent 72%, var(--blue)) left / 1px 100% no-repeat;
  opacity: 0.72;
}

.panel-tag {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 4px 8px;
  color: var(--cyan);
  border: 1px solid rgba(88, 234, 255, 0.24);
  border-radius: 8px;
  background: rgba(88, 234, 255, 0.08);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0;
}

.contact-card {
  align-self: center;
  padding: 22px;
  color: var(--white);
}

.contact-card h2 {
  margin: 0 0 4px;
  font-size: 24px;
}

.contact-card p {
  margin: 0;
  color: #dbe9ee;
}

.contact-note {
  margin-top: 10px !important;
  color: var(--amber) !important;
  font-size: 13px;
  font-weight: 900;
}

.hero-company {
  display: inline-flex;
  max-width: 100%;
  margin: 16px 0 0;
  padding: 8px 11px;
  color: #06101b;
  background: linear-gradient(135deg, var(--amber), var(--green));
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 8px;
  box-shadow: 0 0 24px rgba(242, 196, 109, 0.18);
  font-weight: 900;
}

.contact-card img {
  width: min(100%, 210px);
  display: block;
  margin: 22px auto;
  padding: 12px;
  background: var(--white);
  border: 1px solid rgba(88, 234, 255, 0.36);
  border-radius: 8px;
  box-shadow: 0 0 32px rgba(88, 234, 255, 0.22);
}

.contact-strip {
  position: sticky;
  top: 69px;
  z-index: 30;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 10px 18px;
  color: #eaf8ff;
  background: rgba(6, 17, 31, 0.86);
  border-top: 1px solid rgba(88, 234, 255, 0.14);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(18px);
}

.signal-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 14px var(--green);
  animation: signalPulse 1.8s ease-in-out infinite;
}

.contact-strip span:not(.signal-dot) {
  color: #c9d9e6;
}

.contact-strip button {
  min-height: 32px;
  padding: 0 12px;
  color: #06101b;
  background: var(--amber);
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 8px;
  cursor: pointer;
  font-weight: 900;
}

.section {
  position: relative;
  padding: clamp(64px, 8vw, 112px) clamp(18px, 5vw, 76px);
}

.section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 0 48%, rgba(88, 234, 255, 0.08) 50%, transparent 52%),
    repeating-linear-gradient(90deg, transparent 0 120px, rgba(88, 234, 255, 0.035) 121px);
  opacity: 0.45;
}

.section > * {
  position: relative;
  z-index: 1;
}

.section-heading {
  max-width: 860px;
  margin: 0 auto 36px;
  text-align: center;
}

.section-heading.compact {
  margin-bottom: 28px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.1;
  letter-spacing: 0;
  text-shadow: 0 0 22px rgba(88, 234, 255, 0.22);
}

.section-heading p:not(.eyebrow) {
  margin: 16px auto 0;
  max-width: 780px;
  color: var(--muted);
  font-size: 17px;
}

.profile-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(300px, 1.3fr);
  gap: 18px;
  max-width: 1160px;
  margin: 0 auto;
}

.identity-panel,
.bio-panel,
.company-panel,
.book-panel,
.cert-panel,
.training-panel,
.team-panel {
  padding: 26px;
}

.identity-panel h3,
.bio-panel h3,
.company-panel h3,
.book-panel h3,
.cert-panel h3,
.training-panel h3,
.team-panel h3,
.sticky-panel h3 {
  margin: 0 0 18px;
  color: var(--white);
  font-size: 22px;
}

.identity-panel dl,
.identity-panel dd {
  margin: 0;
}

.identity-panel div {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(132, 220, 255, 0.13);
}

.identity-panel div:last-child {
  border-bottom: 0;
}

.identity-panel dt {
  color: var(--muted);
}

.identity-panel dd {
  color: var(--ink);
  font-weight: 900;
}

.bio-panel p {
  margin: 0;
  color: #c2d5e1;
}

.bio-panel p + p,
.company-panel p + p,
.book-panel p + p,
.cert-panel p + p,
.training-panel p + p,
.team-panel p + p {
  margin-top: 14px;
}

.company-panel,
.book-panel,
.cert-panel,
.training-panel,
.team-panel {
  grid-column: 1 / -1;
  overflow: hidden;
}

.company-panel::after {
  content: "TIANSHU CLOUD AI";
  position: absolute;
  right: 22px;
  bottom: 10px;
  color: rgba(88, 234, 255, 0.08);
  font-size: clamp(28px, 6vw, 72px);
  font-weight: 900;
  line-height: 1;
  pointer-events: none;
}

.company-panel p {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin: 0;
  color: #c2d5e1;
}

.book-panel,
.cert-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
}

.book-panel h3,
.book-panel p,
.cert-panel h3,
.cert-panel p {
  grid-column: 1 / 2;
}

.book-panel p,
.cert-panel p {
  margin: 0;
  color: #c2d5e1;
}

.book-panel a,
.cert-panel a {
  grid-column: 2 / 3;
  grid-row: 1 / span 3;
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  color: #06101b;
  background: linear-gradient(135deg, var(--amber), var(--green));
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 8px;
  box-shadow: 0 0 24px rgba(242, 196, 109, 0.18);
  font-weight: 900;
  white-space: nowrap;
}

.book-panel a:hover,
.cert-panel a:hover {
  filter: brightness(1.08);
}

.training-panel,
.team-panel {
  min-height: 100%;
}

.training-panel {
  grid-column: 1 / 2;
}

.team-panel {
  grid-column: 2 / 3;
}

.training-panel p,
.team-panel p {
  margin: 0;
  color: #c2d5e1;
}

.metric-list {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  overflow: hidden;
}

.metric-list div {
  position: relative;
  padding: 22px;
  border-right: 1px solid rgba(132, 220, 255, 0.14);
  border-bottom: 1px solid rgba(132, 220, 255, 0.14);
}

.metric-list div:nth-child(3n),
.metric-list div:last-child {
  border-right: 0;
}

.metric-list div:nth-last-child(-n + 3) {
  border-bottom: 0;
}

.metric-list strong {
  display: block;
  color: var(--cyan);
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.1;
  text-shadow: 0 0 22px rgba(88, 234, 255, 0.32);
}

.metric-list span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  max-width: 1160px;
  margin: 28px auto 0;
}

.timeline article {
  padding: 20px;
  transition:
    border-color 0.2s ease,
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.timeline article:hover,
.service-group:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
  box-shadow:
    0 24px 70px rgba(0, 0, 0, 0.34),
    0 0 32px rgba(88, 234, 255, 0.08);
}

.timeline time {
  display: inline-block;
  color: var(--green);
  font-weight: 900;
  margin-bottom: 12px;
}

.timeline h3 {
  margin: 0 0 10px;
  color: var(--white);
  font-size: 17px;
  line-height: 1.35;
}

.timeline p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.services-section {
  background:
    linear-gradient(180deg, rgba(47, 125, 255, 0.08), transparent 24%),
    rgba(3, 10, 18, 0.38);
}

.form-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 370px);
  gap: 22px;
  max-width: 1240px;
  margin: 0 auto;
  align-items: start;
}

.service-catalog {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.service-group {
  padding: 18px;
  transition:
    border-color 0.2s ease,
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.group-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.group-title span {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: #06101b;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  box-shadow: 0 0 22px rgba(88, 234, 255, 0.24);
  font-size: 13px;
  font-weight: 900;
}

.package-group .group-title span {
  background: linear-gradient(135deg, var(--amber), var(--rose));
}

.training-group .group-title span {
  background: linear-gradient(135deg, var(--green), var(--cyan));
}

.group-title h3 {
  margin: 0;
  color: var(--white);
  font-size: 20px;
}

.service-group label {
  display: flex;
  min-height: 42px;
  align-items: center;
  gap: 10px;
  padding: 9px 8px;
  color: #c9d8e4;
  border-top: 1px solid rgba(132, 220, 255, 0.12);
  border-radius: 6px;
  cursor: pointer;
  transition:
    color 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease;
}

.service-group label:hover,
.service-group label.selected {
  color: var(--white);
  background: rgba(88, 234, 255, 0.08);
  box-shadow: inset 0 0 18px rgba(88, 234, 255, 0.08);
}

.service-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--cyan);
  flex: 0 0 auto;
}

.request-panel {
  position: relative;
}

.sticky-panel {
  position: sticky;
  top: 130px;
  padding: 20px;
}

.sticky-panel p {
  margin: -8px 0 18px;
  color: var(--muted);
  font-size: 14px;
}

.sticky-panel label {
  display: grid;
  gap: 7px;
  margin-bottom: 14px;
  color: #dcebf3;
  font-weight: 900;
}

.sticky-panel input,
.sticky-panel select,
.sticky-panel textarea {
  width: 100%;
  border: 1px solid rgba(132, 220, 255, 0.24);
  border-radius: 8px;
  padding: 11px 12px;
  color: var(--ink);
  background: rgba(2, 9, 16, 0.62);
  outline: none;
  font-weight: 400;
}

.sticky-panel input:focus,
.sticky-panel select:focus,
.sticky-panel textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(88, 234, 255, 0.12);
}

.sticky-panel textarea {
  resize: vertical;
}

.submit-btn {
  width: 100%;
  margin-top: 4px;
  cursor: pointer;
}

.mini-contact {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 12px;
  align-items: center;
  margin-top: 18px;
  padding: 12px;
  background: rgba(88, 234, 255, 0.06);
  border: 1px solid rgba(132, 220, 255, 0.18);
  border-radius: 8px;
}

.mini-contact img {
  width: 82px;
  height: 82px;
  background: var(--white);
  border-radius: 8px;
}

.mini-contact strong,
.mini-contact span {
  display: block;
}

.mini-contact strong {
  color: var(--white);
}

.mini-contact span {
  color: var(--muted);
  font-size: 13px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  padding: 28px clamp(18px, 5vw, 76px);
  color: #d8e9ef;
  background: rgba(2, 8, 14, 0.96);
  border-top: 1px solid var(--line);
}

.site-footer strong,
.site-footer span {
  display: block;
}

.site-footer span,
.site-footer p {
  color: var(--muted);
}

.site-footer p {
  margin: 0;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 22px;
  z-index: 70;
  transform: translateX(-50%) translateY(120%);
  padding: 10px 14px;
  color: #06101b;
  background: var(--cyan);
  border-radius: 8px;
  box-shadow: 0 0 28px rgba(88, 234, 255, 0.34);
  opacity: 0;
  transition: 0.22s ease;
  font-weight: 900;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(1, 7, 12, 0.76);
  backdrop-filter: blur(12px);
}

.modal-backdrop[hidden] {
  display: none;
}

.modal {
  position: relative;
  width: min(100%, 440px);
  padding: 28px;
  text-align: center;
}

.modal .card-kicker {
  color: var(--cyan);
}

.modal h2 {
  margin: 0;
  color: var(--white);
  font-size: 34px;
}

.modal-summary {
  margin: 12px 0 18px;
  color: var(--muted);
}

.modal img {
  width: 220px;
  display: block;
  margin: 0 auto 18px;
  padding: 10px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.modal-actions {
  justify-content: center;
}

.modal-actions a {
  color: var(--cyan);
  background: rgba(88, 234, 255, 0.06);
  border-color: var(--line-strong);
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 36px;
  height: 36px;
  border: 0;
  color: var(--muted);
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  font-size: 28px;
  line-height: 1;
}

.modal-close:hover {
  color: var(--white);
  background: rgba(88, 234, 255, 0.1);
}

@keyframes gridDrift {
  from {
    background-position: 0 0, 0 0, 0 0;
  }

  to {
    background-position: 78px 78px, 78px 78px, 0 0;
  }
}

@keyframes ringPulse {
  0%,
  100% {
    opacity: 0.45;
    transform: rotateX(64deg) rotateZ(-38deg) scale(0.96);
  }

  50% {
    opacity: 0.9;
    transform: rotateX(64deg) rotateZ(-18deg) scale(1.03);
  }
}

@keyframes coreBlink {
  0%,
  100% {
    opacity: 0.5;
  }

  50% {
    opacity: 1;
  }
}

@keyframes signalPulse {
  0%,
  100% {
    opacity: 0.5;
  }

  50% {
    opacity: 1;
  }
}

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

  .neural-canvas {
    display: none;
  }
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

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

  .orbit-stage {
    top: 9%;
    right: -16%;
    width: 520px;
    opacity: 0.42;
  }

  .contact-card {
    max-width: 430px;
  }

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

  .form-layout {
    grid-template-columns: 1fr;
  }

  .sticky-panel {
    position: static;
  }
}

@media (max-width: 760px) {
  .site-header {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 10px 16px;
  }

  .header-contact {
    justify-content: space-between;
    font-size: 13px;
  }

  .hero {
    min-height: auto;
    padding-top: 72px;
  }

  .hero-bg {
    background:
      linear-gradient(90deg, rgba(5, 12, 23, 0.94), rgba(6, 17, 31, 0.58)),
      linear-gradient(180deg, rgba(5, 12, 23, 0.1), #06101b 94%),
      url("./assets/hero-security-ai.png") center / cover no-repeat;
  }

  .orbit-stage {
    top: 20%;
    right: -190px;
    width: 420px;
    opacity: 0.28;
  }

  .hero-domain {
    display: block;
  }

  .hero-domain span {
    display: block;
    margin-top: 4px;
  }

  .contact-strip {
    top: 105px;
    align-items: flex-start;
    justify-content: flex-start;
  }

  .profile-grid,
  .service-catalog,
  .metric-list {
    grid-template-columns: 1fr;
  }

  .metric-list div {
    border-right: 0;
    border-bottom: 1px solid rgba(132, 220, 255, 0.14);
  }

  .metric-list div:nth-last-child(-n + 3) {
    border-bottom: 1px solid rgba(132, 220, 255, 0.14);
  }

  .metric-list div:last-child {
    border-bottom: 0;
  }

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

  .training-panel,
  .team-panel {
    grid-column: 1 / -1;
  }

  .book-panel,
  .cert-panel {
    display: block;
  }

  .book-panel a,
  .cert-panel a {
    width: 100%;
    margin-top: 16px;
    white-space: normal;
  }

  .identity-panel div {
    grid-template-columns: 78px 1fr;
  }

  .site-footer {
    display: block;
  }

  .site-footer p {
    margin-top: 10px;
  }
}

@media (max-width: 430px) {
  .header-contact {
    display: grid;
    grid-template-columns: 1fr auto;
  }

  .header-contact a {
    overflow-wrap: anywhere;
  }

  .primary-action,
  .secondary-action {
    width: 100%;
  }

  .contact-card {
    padding: 18px;
  }
}