:root {
  --ink: #050a11;
  --ink-soft: #08121d;
  --panel: #0b1723;
  --panel-light: #0f2130;
  --line: rgba(156, 193, 211, 0.16);
  --text: #f4f8fa;
  --muted: #9fb0bd;
  --cyan: #2de1e8;
  --cyan-soft: #99f8f2;
  --green: #8ff07a;
  --shadow: 0 32px 90px rgba(0, 0, 0, 0.42);
  --radius: 22px;
  --shell: min(1180px, calc(100% - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--ink);
  overflow-x: hidden;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 72% -12%, rgba(32, 165, 179, 0.15), transparent 30rem),
    linear-gradient(150deg, #07101a 0%, #04090f 52%, #061019 100%);
  font-family: "IBM Plex Sans Thai", system-ui, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 20;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E");
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible {
  outline: 3px solid var(--cyan-soft);
  outline-offset: 4px;
}

.section-shell {
  width: var(--shell);
  margin-inline: auto;
}

.ambient {
  position: absolute;
  max-width: 100%;
  border-radius: 999px;
  filter: blur(100px);
  pointer-events: none;
}

.ambient--top {
  width: 28rem;
  height: 20rem;
  right: 0;
  top: 35rem;
  background: rgba(44, 225, 232, 0.08);
}

.ambient--bottom {
  width: 36rem;
  height: 25rem;
  left: 0;
  top: 112rem;
  background: rgba(143, 240, 122, 0.06);
}

.site-header {
  width: var(--shell);
  height: 92px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  gap: 11px;
  align-items: center;
}

.brand__mark {
  display: flex;
  gap: 3px;
  align-items: end;
  height: 30px;
}

.brand__mark i {
  display: block;
  width: 6px;
  border-radius: 1px;
  transform: skewX(-12deg);
  background: linear-gradient(180deg, var(--green), var(--cyan));
}

.brand__mark i:nth-child(1) { height: 15px; }
.brand__mark i:nth-child(2) { height: 24px; }
.brand__mark i:nth-child(3) { height: 30px; }

.brand__copy {
  display: grid;
  line-height: 1;
}

.brand__copy strong {
  font-family: "Chakra Petch", sans-serif;
  font-size: 15px;
  letter-spacing: 0.11em;
}

.brand__copy small {
  color: var(--muted);
  font: 500 8px/1.4 "Chakra Petch", sans-serif;
  letter-spacing: 0.45em;
}

.header-cta {
  color: var(--cyan-soft);
  font-size: 14px;
  font-weight: 600;
  padding: 9px 0;
  border-bottom: 1px solid rgba(45, 225, 232, 0.5);
}

.header-cta span { margin-left: 8px; }

.hero {
  min-height: 690px;
  padding: 82px 0 72px;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(390px, 0.96fr);
  align-items: center;
  gap: 28px;
}

.hero > * {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 24px;
  color: var(--cyan);
  font: 600 12px/1.2 "Chakra Petch", sans-serif;
  letter-spacing: 0.17em;
}

.eyebrow b {
  margin-left: 10px;
  padding: 4px 9px;
  color: #c4ffb7;
  background: rgba(143, 240, 122, 0.1);
  border: 1px solid rgba(143, 240, 122, 0.28);
  border-radius: 999px;
  font: 600 11px/1 "IBM Plex Sans Thai", sans-serif;
  letter-spacing: 0;
}

.hero h1,
.section-heading h2,
.audience__intro h2,
.registration h2 {
  font-family: "Chakra Petch", "IBM Plex Sans Thai", sans-serif;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.hero h1 {
  margin: 0;
  font-size: clamp(48px, 5.3vw, 76px);
  line-height: 1.08;
  font-weight: 600;
}

.gradient-text {
  color: transparent;
  background: linear-gradient(92deg, #e6ffff 2%, var(--cyan) 50%, var(--green));
  background-clip: text;
  -webkit-background-clip: text;
}

.hero__lead {
  max-width: 615px;
  margin: 27px 0 32px;
  color: #bdc9d1;
  font-size: 18px;
}

.hero__lead strong { color: var(--text); }

.event-strip {
  display: flex;
  width: fit-content;
  max-width: 100%;
  border: 1px solid var(--line);
  background: rgba(9, 20, 30, 0.65);
  border-radius: 14px;
  backdrop-filter: blur(12px);
}

.event-strip > div {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
}

.event-strip > div + div { border-left: 1px solid var(--line); }

.event-strip__icon {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  color: var(--cyan);
  border: 1px solid rgba(45, 225, 232, 0.22);
  background: rgba(45, 225, 232, 0.06);
  border-radius: 8px;
}

.event-strip svg,
.audience__icon svg,
.data-node svg {
  width: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.event-strip > div > span:last-child { display: grid; }
.event-strip small { color: var(--muted); font-size: 11px; }
.event-strip strong { font-size: 13px; font-weight: 600; }

.hero__actions {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-top: 30px;
}

.button {
  min-height: 52px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  border-radius: 8px;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
}

.button--primary {
  color: #031113;
  background: linear-gradient(100deg, var(--cyan) 0%, var(--green) 115%);
  box-shadow: 0 12px 40px rgba(45, 225, 232, 0.17), inset 0 1px rgba(255, 255, 255, 0.4);
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 17px 45px rgba(45, 225, 232, 0.26);
  filter: saturate(1.06);
}

.text-link {
  color: #d2dce2;
  font-size: 14px;
  border-bottom: 1px solid rgba(210, 220, 226, 0.26);
}

.text-link span { color: var(--cyan); margin-left: 7px; }

.data-vault {
  position: relative;
  aspect-ratio: 1 / 1.02;
  min-height: 500px;
  isolation: isolate;
}

.data-vault::before {
  content: "";
  position: absolute;
  inset: 8% 0 4%;
  background: radial-gradient(circle at 50% 56%, rgba(45, 225, 232, 0.19), transparent 46%);
  z-index: -3;
}

.nas-product-image {
  position: absolute;
  z-index: 1;
  left: 50%;
  top: 51%;
  width: 95%;
  height: auto;
  transform: translate(-50%, -50%);
  mix-blend-mode: screen;
  filter: brightness(1.16) contrast(1.08) drop-shadow(0 34px 34px rgba(0, 0, 0, 0.48));
  pointer-events: none;
  user-select: none;
}

.data-vault__grid {
  position: absolute;
  inset: 8% 0 0;
  z-index: -2;
  opacity: 0.2;
  transform: perspective(500px) rotateX(67deg) scale(0.93);
  transform-origin: center bottom;
  background-image:
    linear-gradient(rgba(86, 222, 226, 0.31) 1px, transparent 1px),
    linear-gradient(90deg, rgba(86, 222, 226, 0.31) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: radial-gradient(ellipse, black, transparent 70%);
}

.orbit {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: -1;
  border: 1px solid rgba(85, 229, 233, 0.18);
  border-radius: 50%;
  transform: translate(-50%, -50%) rotate(-18deg);
}

.orbit--one { width: 84%; height: 49%; }
.orbit--two { width: 62%; height: 78%; transform: translate(-50%, -50%) rotate(65deg); }

.orbit i {
  position: absolute;
  top: 50%;
  left: -4px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 16px var(--cyan);
}

.vault-label {
  position: absolute;
  z-index: 4;
  padding: 7px 10px;
  color: #99b3be;
  font: 500 8px/1 "Chakra Petch", sans-serif;
  letter-spacing: 0.12em;
  background: rgba(4, 12, 18, 0.76);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.vault-label--top { top: 10%; right: 4%; }
.vault-label--bottom { bottom: 10%; left: 6%; }
.vault-label span { color: var(--green); }
.vault-label--top span {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}

.nas {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 52%;
  height: 44%;
  transform: translate(-50%, -43%);
  filter: drop-shadow(0 35px 40px rgba(0, 0, 0, 0.56));
}

.nas__face {
  position: absolute;
  inset: 11% 5% 0 0;
  padding: 17% 10% 10%;
  background: linear-gradient(130deg, #1c2e37 0%, #0b1319 80%);
  clip-path: polygon(0 0, 100% 6%, 100% 100%, 0 91%);
  border-left: 1px solid rgba(255, 255, 255, 0.14);
}

.nas__top {
  position: absolute;
  left: 0;
  right: 5%;
  top: 0;
  height: 20%;
  background: linear-gradient(160deg, #45616a, #172a33 70%);
  clip-path: polygon(8% 0, 100% 30%, 94.7% 100%, 0 70%);
}

.nas__side {
  position: absolute;
  top: 16%;
  right: 0;
  bottom: 0;
  width: 6%;
  background: #060b0e;
  clip-path: polygon(0 0, 100% 18%, 100% 93%, 0 100%);
}

.nas__brand {
  color: #c3d6d7;
  font: 600 8px/1 "Chakra Petch", sans-serif;
  letter-spacing: 0.21em;
  margin-bottom: 8%;
}

.nas__bays { display: flex; gap: 4%; height: 62%; }

.nas__bays span {
  width: 22%;
  position: relative;
  border: 1px solid rgba(151, 188, 194, 0.25);
  background: linear-gradient(90deg, #0c161b, #18272e 55%, #080d10);
  box-shadow: inset 2px 0 rgba(255, 255, 255, 0.025);
}

.nas__bays span::before,
.nas__bays span::after {
  content: "";
  position: absolute;
  left: 20%;
  width: 60%;
  height: 2px;
  background: #283a40;
}

.nas__bays span::before { top: 13%; }
.nas__bays span::after { bottom: 13%; }

.nas__bays i {
  position: absolute;
  width: 3px;
  height: 3px;
  right: 16%;
  bottom: 7%;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 7px var(--green);
}

.nas__status {
  display: flex;
  gap: 5px;
  margin-top: 7%;
}

.nas__status i {
  width: 13px;
  height: 2px;
  background: var(--cyan);
  opacity: 0.7;
  box-shadow: 0 0 6px var(--cyan);
}

.nas__shadow {
  position: absolute;
  width: 80%;
  height: 22%;
  left: 10%;
  bottom: -17%;
  border-radius: 50%;
  background: rgba(35, 226, 228, 0.12);
  filter: blur(18px);
  z-index: -1;
}

.data-node {
  position: absolute;
  z-index: 3;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  color: var(--cyan-soft);
  border: 1px solid rgba(65, 225, 229, 0.26);
  background: rgba(8, 23, 31, 0.78);
  border-radius: 14px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.35), inset 0 1px rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
}

.data-node--cloud { left: 6%; top: 34%; }
.data-node--shield { right: 7%; top: 41%; color: var(--green); }
.data-node--files { right: 23%; bottom: 8%; }

.trust-line {
  min-height: 82px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.trust-line span {
  position: relative;
  color: #b8c6ce;
  text-align: center;
  font-size: 13px;
}

.trust-line span::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 10px;
  vertical-align: 2px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 9px rgba(45, 225, 232, 0.7);
}

.trust-line span + span { border-left: 1px solid var(--line); }

.topics { padding: 140px 0 130px; }

.section-heading {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  column-gap: 60px;
  align-items: end;
  margin-bottom: 54px;
}

.section-heading .eyebrow { grid-column: 1 / -1; }

.section-heading h2,
.audience__intro h2,
.registration h2 {
  margin: 0;
  font-size: clamp(38px, 4.5vw, 61px);
  line-height: 1.15;
  font-weight: 600;
}

.section-heading > p:last-child,
.audience__intro > p:last-child {
  color: var(--muted);
  margin: 0 0 5px;
  max-width: 410px;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.topic-card {
  min-height: 470px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(16, 34, 47, 0.91), rgba(8, 18, 27, 0.76));
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.025);
  transition: border-color 180ms ease, transform 180ms ease;
}

.topic-card:hover {
  transform: translateY(-4px);
  border-color: rgba(45, 225, 232, 0.34);
}

.topic-card--featured {
  background:
    radial-gradient(circle at 50% 20%, rgba(45, 225, 232, 0.12), transparent 45%),
    linear-gradient(150deg, rgba(16, 37, 48, 0.97), rgba(8, 18, 27, 0.86));
}

.topic-card__visual {
  height: 174px;
  display: grid;
  place-items: center;
  position: relative;
  margin-bottom: 26px;
  border: 1px solid rgba(148, 189, 201, 0.11);
  border-radius: 15px;
  background:
    linear-gradient(rgba(45, 225, 232, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 225, 232, 0.035) 1px, transparent 1px),
    rgba(5, 13, 19, 0.62);
  background-size: 22px 22px;
}

.topic-card__visual::after {
  content: "";
  position: absolute;
  width: 55%;
  height: 12px;
  bottom: 18px;
  border-radius: 50%;
  background: rgba(45, 225, 232, 0.12);
  filter: blur(8px);
}

.topic-card__visual--shield svg {
  width: 78px;
  fill: rgba(45, 225, 232, 0.06);
  stroke: var(--cyan);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 14px rgba(45, 225, 232, 0.23));
}

.mini-window {
  width: 154px;
  height: 102px;
  padding: 15px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  transform: perspective(300px) rotateX(7deg) rotateY(-11deg);
  border: 1px solid rgba(136, 224, 226, 0.34);
  border-radius: 7px;
  background: linear-gradient(145deg, rgba(29, 60, 72, 0.92), rgba(8, 17, 24, 0.94));
  box-shadow: 15px 18px 35px rgba(0, 0, 0, 0.42), inset 0 1px rgba(255, 255, 255, 0.08);
}

.mini-window span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #7f9ca5;
}

.mini-window span:nth-child(1) { background: var(--green); }

.mini-window i {
  height: 28px;
  grid-column: span 1;
  border-radius: 4px;
  background: linear-gradient(140deg, rgba(45, 225, 232, 0.35), rgba(45, 225, 232, 0.05));
}

.mini-window i:last-child { grid-column: 1 / -1; height: 8px; }

.bee-device {
  width: 84px;
  height: 112px;
  position: relative;
  z-index: 1;
  border: 1px solid rgba(209, 255, 240, 0.48);
  border-radius: 24px;
  background: linear-gradient(145deg, #e6faf3 0%, #85baae 16%, #16342f 68%, #07130f 100%);
  box-shadow: 14px 18px 30px rgba(0, 0, 0, 0.48), inset -6px -9px 18px rgba(0, 0, 0, 0.4);
}

.bee-device::before {
  content: "";
  position: absolute;
  width: 48%;
  height: 64%;
  left: 11%;
  top: 7%;
  border-radius: 40%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.72), transparent 70%);
  filter: blur(2px);
}

.bee-device i {
  position: absolute;
  width: 5px;
  height: 5px;
  right: 17px;
  bottom: 18px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
}

.bee-ring {
  position: absolute;
  width: 154px;
  height: 58px;
  border: 1px solid rgba(143, 240, 122, 0.28);
  border-radius: 50%;
  transform: rotate(-12deg);
}

.topic-card__tag {
  margin: 0 0 8px;
  color: var(--cyan);
  font: 600 10px/1 "Chakra Petch", sans-serif;
  letter-spacing: 0.13em;
}

.topic-card h3 {
  margin: 0 0 12px;
  font: 600 28px/1.2 "Chakra Petch", "IBM Plex Sans Thai", sans-serif;
}

.topic-card > p:last-child {
  margin: auto 0 0;
  color: var(--muted);
  font-size: 14px;
}

.audience {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 90px;
  padding: 125px 0;
  border-top: 1px solid var(--line);
}

.audience__intro { position: sticky; top: 42px; align-self: start; }
.audience__intro > p:last-child { margin-top: 28px; }

.audience__list { display: grid; }

.audience__list article {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 22px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.audience__list article:first-child { border-top: 1px solid var(--line); }

.audience__icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  color: var(--cyan);
  border: 1px solid rgba(45, 225, 232, 0.22);
  border-radius: 14px;
  background: rgba(45, 225, 232, 0.045);
}

.audience__icon svg { width: 24px; }
.audience__list h3 { margin: 0 0 7px; font-size: 18px; }
.audience__list p { margin: 0; color: var(--muted); font-size: 14px; }

.registration {
  min-height: 540px;
  padding: 70px;
  display: grid;
  grid-template-columns: 1fr 0.76fr;
  gap: 90px;
  align-items: center;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(86, 217, 223, 0.23);
  border-radius: 28px;
  background:
    linear-gradient(100deg, rgba(10, 29, 40, 0.96), rgba(6, 17, 25, 0.92)),
    var(--panel);
  box-shadow: var(--shadow), inset 0 1px rgba(255, 255, 255, 0.04);
}

.registration::before,
.registration::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.registration::before {
  inset: 0;
  opacity: 0.24;
  background-image:
    linear-gradient(rgba(46, 225, 232, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 225, 232, 0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(90deg, black, transparent 58%);
}

.registration::after {
  width: 330px;
  height: 330px;
  left: -140px;
  bottom: -190px;
  border: 1px solid rgba(45, 225, 232, 0.22);
  border-radius: 50%;
  box-shadow: 0 0 0 40px rgba(45, 225, 232, 0.025), 0 0 0 85px rgba(45, 225, 232, 0.02);
}

.registration__copy,
.luma-card { position: relative; z-index: 1; }
.registration h2 { font-size: clamp(38px, 4vw, 57px); }

.registration__copy > p:not(.eyebrow) {
  max-width: 560px;
  margin: 25px 0;
  color: #aebdc7;
}

.registration ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: #d5e0e5;
  font-size: 14px;
}

.registration li span { color: var(--green); margin-right: 8px; }

.luma-card {
  padding: 26px;
  border: 1px solid rgba(180, 215, 224, 0.18);
  border-radius: 19px;
  background: rgba(4, 12, 18, 0.76);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.4), inset 0 1px rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(14px);
}

.luma-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.luma-wordmark {
  font: 700 18px/1 "Chakra Petch", sans-serif;
  letter-spacing: -0.05em;
}

.status-pill {
  color: #b7c8d0;
  font: 500 10px/1 "Chakra Petch", sans-serif;
  letter-spacing: 0.08em;
}

.status-pill i {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 7px var(--green);
}

.luma-card__event {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 14px;
  align-items: center;
  padding: 24px 0;
}

.date-tile {
  height: 63px;
  display: grid;
  place-content: center;
  text-align: center;
  border: 1px solid rgba(45, 225, 232, 0.22);
  border-radius: 11px;
  background: rgba(45, 225, 232, 0.06);
}

.date-tile strong { font: 600 22px/1 "Chakra Petch", sans-serif; }
.date-tile span { color: var(--cyan); font: 600 9px/1.5 "Chakra Petch", sans-serif; letter-spacing: 0.1em; }
.luma-card__event p { margin: 0 0 3px; font-weight: 600; }
.luma-card__event > div:last-child > span { color: var(--muted); font-size: 12px; }
.button--full { width: 100%; }

.luma-card__note {
  margin: 12px 0 0;
  color: #728894;
  font-size: 10px;
  text-align: center;
}

.luma-card__setup {
  margin: 18px 0 0;
  padding: 11px 12px;
  color: #d8b986;
  background: rgba(216, 185, 134, 0.07);
  border: 1px dashed rgba(216, 185, 134, 0.28);
  border-radius: 8px;
  font-size: 10px;
  line-height: 1.45;
}

.luma-card__setup code { color: #ffe5b9; }
.luma-card__setup.is-hidden { display: none; }
.js-luma-link.is-disabled { cursor: not-allowed; filter: saturate(0.45); opacity: 0.72; }
.js-luma-link.is-disabled:hover { transform: none; box-shadow: 0 12px 40px rgba(45, 225, 232, 0.12); }

.site-footer {
  min-height: 180px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 40px;
  color: var(--muted);
  font-size: 12px;
}

.site-footer .back-to-top { justify-self: end; color: #c6d2d8; }
.mobile-cta { display: none; }

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms cubic-bezier(.2,.7,.2,1), transform 700ms cubic-bezier(.2,.7,.2,1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 960px) {
  :root { --shell: min(100% - 36px, 760px); }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 68px;
  }

  .hero__copy { position: relative; z-index: 2; }
  .data-vault { width: min(100%, 610px); min-height: 520px; margin: -20px auto 0; }
  .topic-grid { grid-template-columns: 1fr; }
  .topic-card { min-height: 310px; display: grid; grid-template-columns: 0.85fr 1fr; column-gap: 28px; }
  .topic-card__visual { height: 250px; grid-row: 1 / 5; margin-bottom: 0; }
  .topic-card__tag { align-self: end; }
  .topic-card > p:last-child { margin: 0; }
  .audience { gap: 45px; }
  .registration { padding: 50px; gap: 48px; }
  .site-footer { grid-template-columns: 1fr 1fr; }
  .site-footer > p { display: none; }
}

@media (max-width: 700px) {
  :root { --shell: calc(100% - 32px); --radius: 18px; }
  body { padding-bottom: 74px; }
  .site-header { height: 74px; }
  .header-cta { display: none; }
  .hero { min-height: auto; padding: 56px 0 22px; }
  .hero h1 { font-size: clamp(40px, 12vw, 58px); }
  .hero__lead { font-size: 16px; }
  .hero__actions { flex-direction: column; align-items: stretch; gap: 18px; }
  .hero__actions .button { width: 100%; }
  .text-link { width: fit-content; align-self: center; }
  .event-strip { width: 100%; display: grid; }
  .event-strip > div { padding: 13px 15px; }
  .event-strip > div + div { border-left: 0; border-top: 1px solid var(--line); }
  .data-vault { min-height: 385px; margin-top: 0; }
  .nas { width: 59%; }
  .nas-product-image { width: 112%; }
  .vault-label--top { top: 8%; right: 0; }
  .vault-label--bottom { bottom: 7%; left: 1%; }
  .data-node { width: 42px; height: 42px; }
  .data-node--cloud { left: 1%; }
  .data-node--shield { right: 1%; }
  .trust-line { grid-template-columns: 1fr; padding: 10px 0; }
  .trust-line span { padding: 10px 0; }
  .trust-line span + span { border-left: 0; }
  .topics { padding: 95px 0 88px; }
  .section-heading { display: block; margin-bottom: 38px; }
  .section-heading > p:last-child { margin-top: 20px; }
  .topic-card { min-height: 450px; display: flex; padding: 20px; }
  .topic-card__visual { width: 100%; height: 200px; margin-bottom: 24px; }
  .audience { grid-template-columns: 1fr; gap: 42px; padding: 86px 0; }
  .audience__intro { position: static; }
  .audience__list article { grid-template-columns: 46px 1fr; gap: 16px; }
  .audience__icon { width: 44px; height: 44px; }
  .registration { width: calc(100% - 24px); padding: 42px 22px 24px; grid-template-columns: 1fr; gap: 42px; border-radius: 22px; }
  .registration h2 { font-size: 39px; }
  .luma-card { padding: 18px; }
  .site-footer { min-height: 150px; grid-template-columns: 1fr; gap: 20px; align-content: center; }
  .site-footer .back-to-top { justify-self: start; }
  .mobile-cta {
    position: fixed;
    z-index: 30;
    left: 10px;
    right: 10px;
    bottom: 10px;
    min-height: 60px;
    padding: 8px 8px 8px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid rgba(106, 222, 220, 0.3);
    border-radius: 15px;
    background: rgba(5, 15, 22, 0.92);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(16px);
  }
  .mobile-cta > span { display: grid; line-height: 1.2; }
  .mobile-cta small { color: var(--cyan); font-size: 9px; }
  .mobile-cta strong { font-size: 13px; }
  .mobile-cta a { padding: 10px 18px; color: #041113; background: linear-gradient(100deg, var(--cyan), var(--green)); border-radius: 9px; font-size: 13px; font-weight: 700; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}

/* ================================================================
   Synology official-inspired theme
   Product-led black hero, blue actions, restrained light sections
   ================================================================ */

:root {
  --ink: #050505;
  --ink-soft: #101418;
  --panel: #ffffff;
  --panel-light: #f3f6f9;
  --line: rgba(46, 55, 66, 0.15);
  --text: #2e3742;
  --muted: #687585;
  --cyan: #0876e8;
  --cyan-soft: #68b2ff;
  --green: #3f94ed;
  --shadow: 0 20px 55px rgba(28, 44, 61, 0.1);
}

html,
body {
  background: #f3f6f9;
}

body {
  color: var(--text);
  font-family: Inter, "IBM Plex Sans Thai", "Open Sans", Arial, sans-serif;
}

body::before,
.ambient {
  display: none;
}

.site-header {
  width: 100%;
  height: 72px;
  margin: 0;
  padding-inline: max(24px, calc((100vw - 1180px) / 2));
  color: #fff;
  background: #030303;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.brand--header {
  gap: 12px;
  min-width: max-content;
}

.brand__logo {
  display: block;
  width: 86px;
  height: auto;
}

.brand__name {
  display: grid;
  gap: 2px;
  padding-left: 12px;
  line-height: 1;
  border-left: 1px solid rgba(255, 255, 255, 0.24);
}

.brand__name strong {
  color: #fff;
  font: 600 13px/1 "Chakra Petch", sans-serif;
  letter-spacing: 0.035em;
}

.brand__name small {
  color: #9ba4ad;
  font: 500 9px/1.2 "Chakra Petch", sans-serif;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.brand__mark i {
  background: #fff;
}

.brand__copy small {
  color: #8e969e;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 38px;
  margin-left: auto;
  margin-right: 48px;
  font-size: 13px;
  font-weight: 600;
}

.site-nav a {
  color: #d5d8db;
  transition: color 160ms ease;
}

.site-nav a:hover {
  color: #fff;
}

.header-cta {
  padding: 9px 18px;
  color: #fff;
  background: #0876e8;
  border: 0;
  border-radius: 999px;
}

.hero {
  width: 100%;
  min-height: 660px;
  margin: 0;
  padding: 72px max(24px, calc((100vw - 1180px) / 2)) 66px;
  color: #fff;
  background-image:
    linear-gradient(90deg, rgba(0, 0, 0, 0.16), rgba(0, 0, 0, 0) 62%),
    url("assets/synology-official-rs-plus-hero.webp");
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
}

.hero .eyebrow {
  color: #6cb6ff;
}

.eyebrow b {
  color: #a9d3ff;
  background: rgba(8, 118, 232, 0.16);
  border-color: rgba(75, 158, 244, 0.45);
}

.hero h1,
.section-heading h2,
.audience__intro h2,
.registration h2,
.topic-card h3 {
  font-family: Inter, "IBM Plex Sans Thai", "Open Sans", Arial, sans-serif;
  letter-spacing: -0.035em;
}

.hero h1 {
  font-weight: 700;
}

.gradient-text {
  color: #fff;
  background: none;
  -webkit-text-fill-color: currentColor;
}

.hero__lead {
  color: #c8cdd1;
}

.hero__lead strong {
  color: #fff;
}

.event-strip {
  background: rgba(17, 21, 24, 0.8);
  border-color: rgba(255, 255, 255, 0.16);
}

.event-strip > div + div {
  border-color: rgba(255, 255, 255, 0.16);
}

.event-strip__icon {
  color: #70b9ff;
  background: rgba(8, 118, 232, 0.12);
  border-color: rgba(81, 161, 240, 0.34);
}

.event-strip small {
  color: #929ba3;
}

.button {
  border-radius: 999px;
}

.button--primary {
  color: #fff;
  background: #0876e8;
  box-shadow: 0 12px 28px rgba(0, 95, 205, 0.27);
}

.button:hover {
  box-shadow: 0 16px 34px rgba(0, 95, 205, 0.36);
}

.text-link {
  color: #d8dde0;
}

.text-link span {
  color: #70b9ff;
}

.data-vault__grid,
.vault-label,
.data-node {
  display: none;
}

.data-vault::before {
  background: radial-gradient(circle at 50% 55%, rgba(35, 114, 169, 0.26), transparent 56%);
}

.orbit {
  border-color: rgba(111, 177, 229, 0.16);
}

.orbit i {
  background: #77bcff;
  box-shadow: 0 0 15px #338ee9;
}

.nas-product-image {
  width: 104%;
  filter: brightness(1.08) contrast(1.04) drop-shadow(0 38px 42px rgba(0, 0, 0, 0.62));
}

.data-vault--official {
  visibility: hidden;
}

.trust-line {
  width: 100%;
  min-height: 88px;
  padding-inline: max(24px, calc((100vw - 1180px) / 2));
  color: #4c5968;
  background: #fff;
  border-color: #e0e5e9;
}

.trust-line span {
  color: #4c5968;
}

.trust-line span::before {
  background: #0876e8;
  box-shadow: none;
}

.trust-line span + span {
  border-color: #e0e5e9;
}

.topics {
  padding-top: 128px;
}

.eyebrow,
.topic-card__tag {
  color: #0876e8;
}

.section-heading h2,
.audience__intro h2 {
  color: #202a34;
}

.section-heading > p:last-child,
.audience__intro > p:last-child {
  color: #687585;
}

.topic-card {
  border-color: #e0e5ea;
  background: #fff;
  box-shadow: 0 12px 35px rgba(34, 54, 73, 0.06);
}

.topic-card--featured {
  background: #fff;
}

.topic-card:hover {
  border-color: #9fc8ef;
  box-shadow: 0 18px 40px rgba(34, 78, 117, 0.1);
}

.topic-card__visual {
  border-color: #e6ebef;
  background:
    linear-gradient(rgba(8, 118, 232, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 118, 232, 0.04) 1px, transparent 1px),
    #f5f8fb;
  background-size: 22px 22px;
}

.topic-card__visual::after {
  background: rgba(8, 118, 232, 0.1);
}

.topic-card__visual--shield svg {
  fill: rgba(8, 118, 232, 0.05);
  stroke: #0876e8;
}

.mini-window {
  border-color: rgba(8, 118, 232, 0.32);
  background: linear-gradient(145deg, #285f8a, #102c43);
}

.mini-window span:nth-child(1),
.bee-device i {
  background: #58a9f8;
  box-shadow: 0 0 10px #58a9f8;
}

.bee-device {
  border-color: rgba(131, 184, 226, 0.6);
  background: linear-gradient(145deg, #e7f4ff 0%, #8ab9da 17%, #244d69 68%, #102331 100%);
}

.bee-ring {
  border-color: rgba(8, 118, 232, 0.25);
}

.topic-card h3,
.audience__list h3 {
  color: #29343f;
}

.topic-card > p:last-child,
.audience__list p {
  color: #687585;
}

.audience {
  border-color: #e1e6ea;
  background: #fff;
  box-shadow: 0 0 0 100vmax #fff;
  clip-path: inset(0 -100vmax);
}

.audience__list article,
.audience__list article:first-child {
  border-color: #e1e6ea;
}

.audience__icon {
  color: #0876e8;
  background: #f2f7fc;
  border-color: #cbdff2;
}

.registration {
  color: #fff;
  border-color: #27323d;
  background:
    radial-gradient(circle at 12% 100%, rgba(8, 118, 232, 0.18), transparent 30rem),
    #101418;
}

.registration__glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.registration::before {
  opacity: 0.1;
  background-image:
    linear-gradient(rgba(120, 184, 245, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 184, 245, 0.12) 1px, transparent 1px);
}

.registration::after {
  border-color: rgba(8, 118, 232, 0.25);
  box-shadow: 0 0 0 40px rgba(8, 118, 232, 0.025), 0 0 0 85px rgba(8, 118, 232, 0.02);
}

.registration h2 {
  color: #fff;
}

.registration__copy > p:not(.eyebrow) {
  color: #b4bdc5;
}

.registration li {
  color: #d8dfe4;
}

.registration li span {
  color: #69b6ff;
}

.luma-card {
  color: #2e3742;
  background: #fff;
  border-color: #dfe5e9;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
}

.luma-card__top {
  border-color: #e1e6ea;
}

.status-pill,
.luma-card__event > div:last-child > span,
.luma-card__note {
  color: #687585;
}

.status-pill i {
  background: #0876e8;
  box-shadow: none;
}

.date-tile {
  color: #20303e;
  background: #eef6fd;
  border-color: #c8def1;
}

.date-tile span {
  color: #0876e8;
}

.luma-card__setup {
  color: #7a5a21;
  background: #fff8e8;
  border-color: #dfc98e;
}

.luma-card__setup code {
  color: #6b4b0e;
}

.site-footer {
  width: 100%;
  min-height: 190px;
  margin-top: 120px;
  padding-inline: max(24px, calc((100vw - 1180px) / 2));
  color: #939da6;
  background: #050505;
}

.site-footer .brand__mark i {
  background: #fff;
}

.site-footer .back-to-top {
  color: #d8dde0;
}

.mobile-cta {
  color: #fff;
  background: rgba(5, 7, 8, 0.94);
  border-color: rgba(255, 255, 255, 0.16);
}

.mobile-cta small {
  color: #70b9ff;
}

.mobile-cta a {
  color: #fff;
  background: #0876e8;
}

@media (max-width: 960px) {
  .site-nav {
    gap: 22px;
    margin-right: 25px;
  }

  .nas-product-image {
    width: 100%;
  }
}

/* Speaker spotlight: a single dark editorial panel within the official-inspired light theme */
.speaker {
  min-height: 620px;
  padding: 72px;
  display: grid;
  grid-template-columns: minmax(300px, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(48px, 7vw, 96px);
  align-items: center;
  position: relative;
  overflow: hidden;
  color: #fff;
  border: 1px solid #222c35;
  border-radius: 28px;
  background:
    linear-gradient(rgba(93, 174, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(93, 174, 255, 0.045) 1px, transparent 1px),
    radial-gradient(circle at 18% 22%, rgba(8, 118, 232, 0.22), transparent 24rem),
    #0b1015;
  background-size: 54px 54px, 54px 54px, auto, auto;
  box-shadow: 0 35px 80px rgba(24, 38, 53, 0.17);
}

.speaker::after {
  content: "SPEAKER / 01";
  position: absolute;
  right: 24px;
  top: 50%;
  color: rgba(255, 255, 255, 0.24);
  font: 600 10px/1 "Chakra Petch", sans-serif;
  letter-spacing: 0.28em;
  transform: translateY(-50%) rotate(90deg) translateX(50%);
  transform-origin: right center;
}

.speaker__portrait {
  margin: 0;
  position: relative;
}

.speaker__photo-frame {
  aspect-ratio: 0.96;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(126, 188, 244, 0.38);
  border-radius: 20px;
  background: #303639;
  box-shadow: 26px 32px 65px rgba(0, 0, 0, 0.42);
}

.speaker__photo-frame::before,
.speaker__photo-frame::after {
  content: "";
  position: absolute;
  z-index: 2;
  pointer-events: none;
}

.speaker__photo-frame::before {
  inset: 0;
  background: linear-gradient(180deg, transparent 62%, rgba(4, 9, 13, 0.52));
}

.speaker__photo-frame::after {
  width: 3px;
  height: 34%;
  right: 0;
  top: 14%;
  background: #1688f5;
  box-shadow: 0 0 22px rgba(22, 136, 245, 0.8);
}

.speaker__photo-frame img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: 50% 20%;
  filter: saturate(0.9) contrast(1.03);
}

.speaker figcaption {
  margin-top: 15px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: #8e9aa5;
  font-size: 10px;
}

.speaker figcaption span {
  color: #63b3ff;
  font: 600 10px/1.5 "Chakra Petch", sans-serif;
  letter-spacing: 0.14em;
}

.speaker figcaption a {
  text-align: right;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.speaker .eyebrow {
  margin-bottom: 32px;
  color: #68b8ff;
}

.speaker__label {
  margin: 0 0 8px;
  color: #aeb9c2;
  font-size: 14px;
}

.speaker h2 {
  margin: 0;
  color: #fff;
  font: 600 clamp(48px, 5.1vw, 72px)/1.03 "Chakra Petch", "IBM Plex Sans Thai", sans-serif;
  letter-spacing: -0.045em;
}

.speaker__role {
  margin: 24px 0 0;
  color: #70b9ff;
  font: 600 15px/1.5 "Chakra Petch", "IBM Plex Sans Thai", sans-serif;
}

.speaker__bio {
  max-width: 620px;
  margin: 22px 0 30px;
  color: #b9c3cb;
  font-size: 16px;
}

.speaker__expertise {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.speaker__expertise span {
  padding: 8px 12px;
  color: #d9e8f5;
  border: 1px solid rgba(104, 184, 255, 0.24);
  border-radius: 999px;
  background: rgba(104, 184, 255, 0.07);
  font: 500 11px/1 "Chakra Petch", sans-serif;
  letter-spacing: 0.035em;
}

@media (max-width: 960px) {
  .speaker {
    padding: 54px;
    grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1fr);
    gap: 44px;
  }

  .speaker::after { display: none; }
  .speaker h2 { font-size: clamp(44px, 6vw, 58px); }
}

@media (max-width: 700px) {
  .speaker {
    width: calc(100% - 24px);
    min-height: auto;
    padding: 24px 18px 34px;
    grid-template-columns: 1fr;
    gap: 34px;
    border-radius: 22px;
  }

  .speaker__photo-frame {
    aspect-ratio: 1 / 1.04;
    border-radius: 16px;
  }

  .speaker figcaption {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .speaker figcaption a { text-align: left; }
  .speaker .eyebrow { margin-bottom: 22px; }
  .speaker h2 { font-size: clamp(43px, 13vw, 58px); }
  .speaker__bio { font-size: 15px; }
}

/* Official Synology imagery for the three learning topics */
.topic-card__visual--photo {
  display: block;
  margin-top: 0;
  margin-inline: 0;
  overflow: hidden;
  isolation: isolate;
  background: #0d151d;
}

.topic-card__visual--photo img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 500ms cubic-bezier(0.2, 0.75, 0.2, 1), filter 220ms ease;
}

.topic-card__visual--nas img { object-position: 54% 56%; }
.topic-card__visual--dsm img { object-position: 50% 47%; }
.topic-card__visual--bee img { object-position: 50% 52%; }

.topic-card__visual--photo::after {
  width: auto;
  height: auto;
  inset: 0;
  bottom: auto;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(3, 10, 16, 0.02) 44%, rgba(3, 10, 16, 0.5) 100%);
  filter: none;
  z-index: 1;
}

.topic-card__visual--photo figcaption {
  position: absolute;
  z-index: 2;
  right: 12px;
  bottom: 11px;
}

.topic-card__visual--photo figcaption a {
  display: inline-flex;
  padding: 6px 8px;
  color: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(4, 11, 17, 0.6);
  font: 500 8px/1 "Chakra Petch", sans-serif;
  letter-spacing: 0.07em;
  backdrop-filter: blur(8px);
}

.topic-card:hover .topic-card__visual--photo img {
  transform: scale(1.035);
  filter: saturate(1.04) contrast(1.02);
}

@media (prefers-reduced-motion: reduce) {
  .topic-card:hover .topic-card__visual--photo img { transform: none; }
}

@media (max-width: 700px) {
  .site-header {
    height: 68px;
    padding-inline: 16px;
  }

  .brand--header {
    gap: 9px;
  }

  .brand__logo {
    width: 72px;
  }

  .brand__name {
    gap: 1px;
    padding-left: 9px;
  }

  .brand__name strong {
    font-size: 11px;
  }

  .brand__name small {
    font-size: 7px;
    letter-spacing: 0.14em;
  }

  .site-nav {
    display: none;
  }

  .hero {
    padding: 50px 16px 22px;
    background-image:
      linear-gradient(180deg, rgba(0, 0, 0, 0.04), rgba(0, 0, 0, 0) 68%),
      url("assets/synology-official-rs-plus-hero-mobile.webp");
    background-position: center bottom;
    background-size: cover;
  }

  .nas-product-image {
    width: 115%;
  }

  .trust-line {
    padding-inline: 16px;
  }

  .registration {
    background:
      radial-gradient(circle at 12% 100%, rgba(8, 118, 232, 0.18), transparent 24rem),
      #101418;
  }

  .site-footer {
    margin-top: 80px;
    padding-inline: 16px;
  }
}