/* ============ Tokens ============ */
:root {
  --bg: #F5F8FF;
  --bg2: #EEF3FF;
  --ink: #0F1E3D;
  --muted: #5A6A86;
  --dim: #9AA8C0;
  --blue: #0284C7;
  --cyan: #22D3EE;
  --violet: #7C3AED;
  --line: #D5E1F2;
  --card: rgba(255, 255, 255, 0.78);
  --grad: linear-gradient(100deg, #0284C7 0%, #22D3EE 45%, #7C3AED 100%);
  --shadow: 0 20px 50px -20px rgba(30, 58, 138, 0.25);
  --jp: "Noto Sans JP", "Yu Gothic", sans-serif;
  --en: "Space Grotesk", "Noto Sans JP", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; scrollbar-width: none; }
html::-webkit-scrollbar, body::-webkit-scrollbar { display: none; }
html.lenis, html.lenis body { height: auto; }
body {
  font-family: var(--jp); color: var(--ink); background: var(--bg);
  overflow-x: hidden; line-height: 1.7;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(91, 123, 181, 0.16) 1px, transparent 0);
  background-size: 32px 32px;
}
body.is-loading { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
.mono { font-family: var(--mono); letter-spacing: 0.18em; }
em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ============ Loader ============ */
.loader {
  position: fixed; inset: 0; z-index: 100; background: #030612; color: #fff;
  display: grid; place-items: center;
}
.loader__inner { width: min(420px, 80vw); }
.loader__label { font-size: 11px; color: var(--blue); }
.loader__count { font-family: var(--en); font-size: clamp(64px, 12vw, 120px); font-weight: 700; line-height: 1; margin: 12px 0 18px; }
.loader__count small { font-size: 0.35em; color: var(--dim); margin-left: 6px; }
.loader__bar { height: 2px; background: rgba(255, 255, 255, 0.12); overflow: hidden; }
.loader__bar i { display: block; height: 100%; width: 0; background: var(--grad); }

/* ============ Chrome ============ */
.progress { position: fixed; top: 0; left: 0; height: 3px; width: 100%; z-index: 60; background: var(--grad); transform-origin: 0 50%; transform: scaleX(0); }
.cursor-glow {
  position: fixed; width: 520px; height: 520px; border-radius: 50%; pointer-events: none; z-index: 0;
  left: 0; top: 0; translate: -50% -50%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.18), rgba(124, 58, 237, 0.08) 45%, transparent 70%);
  mix-blend-mode: multiply;
}
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50; display: flex; justify-content: space-between; align-items: center;
  padding: 22px clamp(20px, 4vw, 56px); transition: background 0.4s, padding 0.4s, box-shadow 0.4s;
}
.nav.is-scrolled { padding-block: 12px; background: rgba(245, 248, 255, 0.78); backdrop-filter: blur(16px); box-shadow: 0 1px 0 var(--line); }
.nav__logo { font-size: 13px; font-weight: 500; }
.nav__logo span { color: var(--cyan); }
.nav__links { display: flex; gap: 8px; padding: 6px; border-radius: 99px; background: rgba(255, 255, 255, 0.6); backdrop-filter: blur(12px); border: 1px solid rgba(213, 225, 242, 0.8); }
.nav__links a { font-family: var(--jp); font-size: 12.5px; font-weight: 500; letter-spacing: 0.08em; padding: 8px 18px; border-radius: 99px; transition: background 0.3s, color 0.3s; }
.nav__links a:hover { background: var(--ink); color: #fff; }

/* ============ Shared ============ */
.section { position: relative; padding: clamp(70px, 10vh, 120px) clamp(20px, 7vw, 120px); z-index: 1; }
.section__head { max-width: 900px; margin-bottom: 44px; }
.section__head.center { text-align: center; margin-inline: auto; }
.eyebrow { font-size: 12px; color: var(--blue); margin-bottom: 18px; }
.h2 { font-size: clamp(34px, 5vw, 64px); line-height: 1.2; font-weight: 900; letter-spacing: 0.02em; }
.lead { margin-top: 24px; color: var(--muted); font-size: clamp(15px, 1.3vw, 18px); }
.split { display: inline-block; }
.split .ch { display: inline-block; will-change: transform; }
.line { display: block; overflow: hidden; padding-bottom: 0.08em; }
.tag { display: inline-flex; align-items: center; gap: 6px; padding: 10px 18px; border-radius: 99px; background: rgba(255,255,255,.75); border: 1px solid #9CC8EE; font-size: 14px; backdrop-filter: blur(8px); }

.hud { position: absolute; width: 36px; height: 36px; border-color: var(--cyan); border-style: solid; border-width: 0; opacity: 0.7; z-index: 2; }
.hud--tl { top: 88px; left: 32px; border-top-width: 2px; border-left-width: 2px; }
.hud--tr { top: 88px; right: 32px; border-top-width: 2px; border-right-width: 2px; }
.hud--bl { bottom: 32px; left: 32px; border-bottom-width: 2px; border-left-width: 2px; }
.hud--br { bottom: 32px; right: 32px; border-bottom-width: 2px; border-right-width: 2px; }

/* ============ Hero ============ */
.hero { position: relative; }
.hero__pin { position: relative; height: 100vh; min-height: 640px; overflow: hidden; background: #040816; }
.sky { position: absolute; inset: 0; }
.sky--night { background:
    radial-gradient(ellipse 60% 40% at 70% 18%, rgba(76, 94, 180, 0.35), transparent 70%),
    radial-gradient(ellipse 90% 25% at 40% 30%, rgba(125, 110, 200, 0.14), transparent 70%),
    linear-gradient(180deg, #030612 0%, #0A1433 60%, #1A2455 100%); }
.sky--predawn { opacity: 0; background:
    radial-gradient(ellipse 55% 22% at 64% 100%, rgba(190, 70, 70, 0.55), transparent 70%),
    linear-gradient(180deg, #060B22 0%, #111A45 45%, #2A2358 78%, #4A2C55 100%); }
.sky--sunrise { opacity: 0; background:
    radial-gradient(ellipse 60% 35% at 64% 100%, rgba(235, 70, 50, 0.75), transparent 72%),
    linear-gradient(180deg, #16204F 0%, #3A2F6E 35%, #8C3E6E 62%, #D2514A 84%, #F07A45 100%); }
.sky--golden { opacity: 0; background:
    radial-gradient(ellipse 70% 45% at 64% 90%, rgba(255, 200, 120, 0.85), transparent 70%),
    linear-gradient(180deg, #5E76C4 0%, #A58FC6 32%, #F2A894 60%, #FFCB95 82%, #FFE6BE 100%); }
.sky--day { opacity: 0; background:
    radial-gradient(ellipse at 72% 45%, rgba(56, 189, 248, 0.28), transparent 55%),
    radial-gradient(ellipse at 10% 0%, rgba(167, 139, 250, 0.25), transparent 50%),
    linear-gradient(135deg, #FBFDFF, #EEF3FF); }
.hero__stars { position: absolute; inset: 0; width: 100%; height: 100%; }
/* sun colours are CSS variables tweened by GSAP: deep red at the horizon → orange → golden → white */
.sun { --c1: #FF7A4D; --c2: #E0452B; --c3: #9E1B1B; --glow: rgba(220, 50, 40, 0.5); --halo: rgba(230, 70, 50, 0.35);
  position: absolute; left: 64%; top: 110%; width: 22vmin; height: 22vmin; translate: -50% -50%; pointer-events: none; }
.sun__core { position: absolute; inset: 0; border-radius: 50%;
  background: radial-gradient(circle at 50% 45%, var(--c1) 0%, var(--c2) 58%, var(--c3) 100%);
  box-shadow: 0 0 40px 10px var(--glow), 0 0 140px 50px var(--glow); }
.sun__halo { position: absolute; inset: -140%; border-radius: 50%; background: radial-gradient(circle, var(--halo), transparent 62%); }
.sun__rays { position: absolute; inset: -260%; border-radius: 50%; opacity: 0;
  background: repeating-conic-gradient(from 0deg, rgba(255, 236, 200, 0.16) 0deg 3deg, transparent 3deg 14deg);
  -webkit-mask: radial-gradient(circle, #000 12%, transparent 60%); mask: radial-gradient(circle, #000 12%, transparent 60%);
  animation: rays 60s linear infinite; }
@keyframes rays { to { transform: rotate(360deg); } }
.clouds { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.cloud { fill: #1B2350; opacity: 0.55; }
.cloud.c1 { animation: drift 70s linear infinite alternate; } .cloud.c2 { animation: drift 90s linear infinite alternate-reverse; }
.cloud.c3 { animation: drift 110s linear infinite alternate; } .cloud.c4 { animation: drift 80s linear infinite alternate-reverse; }
@keyframes drift { from { transform: translateX(-60px); } to { transform: translateX(60px); } }
.haze { position: absolute; left: 0; right: 0; bottom: 0; height: 45vh; pointer-events: none; opacity: 0;
  background: linear-gradient(0deg, rgba(255, 170, 120, 0.55), transparent); }
.skyline { position: absolute; left: 0; right: 0; bottom: 0; width: 100%; height: 36vh; pointer-events: none; }
.skyline__far { fill: #0D1333; }
.skyline__near { fill: #060B1F; }
.skyline__win rect { fill: #FFD58A; }
.hero__content { position: relative; z-index: 3; height: 100%; display: flex; flex-direction: column; justify-content: center; padding: 0 clamp(20px, 7vw, 120px); max-width: 1000px; pointer-events: none; color: #fff; }
.hero__content > * { pointer-events: auto; }
.hero__eyebrow { font-size: 13px; color: var(--cyan); font-weight: 500; margin-bottom: 26px; }
.hero__title { white-space: nowrap; font-size: clamp(34px, 5.6vw, 84px); line-height: 1.12; font-weight: 900; letter-spacing: 0.01em; text-shadow: 0 4px 40px rgba(34, 211, 238, 0.15); }
.hero__title em { background: linear-gradient(100deg, #67E8F9, #A5B4FC 50%, #C4B5FD); -webkit-background-clip: text; background-clip: text; }
.hero__sub { margin-top: 28px; font-size: clamp(15px, 1.4vw, 19px); color: rgba(226, 232, 255, 0.75); }
.hero__tags { margin-top: 34px; display: flex; gap: 12px; flex-wrap: wrap; }
.hero .tag { background: rgba(255, 255, 255, 0.06); border-color: rgba(165, 243, 252, 0.35); color: #E0F2FE; }
.hero__meta { position: absolute; right: clamp(20px, 5vw, 80px); top: 104px; z-index: 3; font-size: 10.5px; color: rgba(186, 200, 240, 0.6); text-align: right; line-height: 2; }
/* Japanese scroll guide: mouse icon + blinking label + cascading chevrons */
.scroll-hint { position: absolute; left: 50%; bottom: 34px; translate: -50% 0; z-index: 4; display: flex; flex-direction: column; align-items: center; gap: 10px; color: #E0F2FE; }
.scroll-hint__mouse { width: 24px; height: 38px; border: 2px solid rgba(224, 242, 254, 0.85); border-radius: 14px; position: relative; box-shadow: 0 0 18px rgba(34, 211, 238, 0.35); }
.scroll-hint__mouse i { position: absolute; left: 50%; top: 7px; width: 3px; height: 8px; margin-left: -1.5px; border-radius: 2px; background: var(--cyan); animation: wheel 1.6s ease-in-out infinite; }
@keyframes wheel { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(12px); opacity: 0; } 100% { transform: translateY(0); opacity: 0; } }
.scroll-hint__text { font-size: 13px; font-weight: 500; letter-spacing: 0.24em; animation: blink 1.6s ease-in-out infinite; text-shadow: 0 0 12px rgba(34, 211, 238, 0.7); }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }
.scroll-hint__chev { display: flex; flex-direction: column; align-items: center; margin-top: -4px; }
.scroll-hint__chev b { width: 10px; height: 10px; border-right: 2px solid var(--cyan); border-bottom: 2px solid var(--cyan); transform: rotate(45deg); margin-top: -3px; animation: chev 1.6s ease-in-out infinite; }
.scroll-hint__chev b:nth-child(2) { animation-delay: 0.2s; }
@keyframes chev { 0%, 100% { opacity: 0.15; } 50% { opacity: 1; } }

.hero__morning { position: absolute; inset: 0; z-index: 3; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 0 24px; opacity: 0; pointer-events: none; }
.hero__morning-title { font-size: clamp(30px, 4.6vw, 64px); font-weight: 900; line-height: 1.3; }
.hero__morning-sub { margin-top: 20px; color: var(--muted); font-size: clamp(14px, 1.3vw, 18px); }

/* chrome colours while the night sky is on screen */
body.is-night .nav__logo { color: #fff; }
body.is-night .nav__links { background: rgba(255, 255, 255, 0.06); border-color: rgba(255, 255, 255, 0.16); color: #E0E7FF; }
body.is-night .nav__links a:hover { background: #fff; color: var(--ink); }
.nav__logo, .nav__links { transition: color 0.6s, background 0.6s, border-color 0.6s; }

/* ============ Back to top ============ */
.totop { position: fixed; right: 26px; bottom: 26px; z-index: 55; width: 56px; height: 56px; border: 0; border-radius: 50%; cursor: pointer;
  background: rgba(255, 255, 255, 0.85); backdrop-filter: blur(12px); box-shadow: var(--shadow); color: var(--ink); font-size: 20px; font-weight: 700;
  display: grid; place-items: center; opacity: 0; visibility: hidden; transform: translateY(20px) scale(0.8); transition: opacity 0.4s, transform 0.4s, visibility 0.4s, background 0.3s, color 0.3s; }
.totop.is-shown { opacity: 1; visibility: visible; transform: none; }
.totop:hover { background: var(--ink); color: #fff; }
.totop svg { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-90deg); }
.totop circle { fill: none; stroke-width: 2.5; }
.totop__track { stroke: var(--line); }
.totop__ring { stroke: var(--blue); stroke-linecap: round; stroke-dasharray: 132; stroke-dashoffset: 132; }
.totop span { position: relative; }

/* ============ Contents ============ */
.contents__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; perspective: 1200px; }
.ccard { position: relative; padding: 36px 34px 40px; border-radius: 22px; background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); overflow: hidden; transform-style: preserve-3d; backdrop-filter: blur(10px); min-height: 360px; }
.ccard__no { font-family: var(--en); font-weight: 700; font-size: 88px; line-height: 1; background: linear-gradient(135deg, var(--blue), var(--cyan)); -webkit-background-clip: text; background-clip: text; color: transparent; transform: translateZ(40px); }
.ccard--v .ccard__no { background-image: linear-gradient(135deg, var(--violet), #C084FC); }
.ccard__en { font-size: 11px; color: var(--blue); margin: 26px 0 8px; }
.ccard--v .ccard__en { color: var(--violet); }
.ccard h3 { font-size: 22px; font-weight: 700; transform: translateZ(24px); }
.ccard ul { list-style: none; margin-top: 22px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14.5px; }
.ccard li::before { content: "▸ "; color: var(--cyan); }
.ccard__glow { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 50%), rgba(34, 211, 238, 0.18), transparent 40%); opacity: 0; transition: opacity 0.3s; }
.ccard:hover .ccard__glow { opacity: 1; }

/* ============ DBMS pinned ============ */
.dbms { position: relative; z-index: 1; }
.dbms__pin { position: relative; height: 100vh; display: grid; grid-template-columns: 0.9fr 1.3fr; gap: clamp(24px, 4vw, 70px); align-items: center; padding: 90px clamp(20px, 5vw, 90px) 40px; overflow: hidden;
  background: linear-gradient(180deg, transparent, rgba(224, 236, 255, 0.6)); }
.dbms__bg-word { position: absolute; right: -2vw; bottom: -6vh; font-family: var(--en); font-weight: 700; font-size: 32vw; line-height: 0.8; letter-spacing: -0.04em; color: transparent; -webkit-text-stroke: 1px rgba(2, 132, 199, 0.12); pointer-events: none; }
.dbms__title { font-size: clamp(28px, 3.4vw, 46px); margin-bottom: 34px; }
.dbms__steps { display: flex; flex-direction: column; gap: 6px; }
.fstep { display: flex; gap: 18px; padding: 16px 18px; border-radius: 16px; opacity: 0.35; transition: opacity 0.5s, background 0.5s, transform 0.5s; }
.fstep.is-active { opacity: 1; background: rgba(255, 255, 255, 0.85); box-shadow: var(--shadow); transform: translateX(8px); }
.fstep__no { font-size: 13px; color: var(--blue); padding-top: 4px; }
.fstep h3 { font-size: 17px; font-weight: 700; }
.fstep p { font-size: 13.5px; color: var(--muted); max-height: 0; overflow: hidden; transition: max-height 0.5s; }
.fstep.is-active p { max-height: 90px; margin-top: 4px; }
.dbms__progress { margin-top: 26px; height: 2px; background: var(--line); }
.dbms__progress i { display: block; height: 100%; width: 100%; background: var(--grad); transform-origin: 0 50%; transform: scaleX(0); }
.dbms__right { position: relative; perspective: 1600px; }
.browser { position: relative; border-radius: 14px; background: #fff; border: 1px solid var(--line); box-shadow: 0 40px 90px -30px rgba(30, 58, 138, 0.45); overflow: hidden; }
.browser__bar { display: flex; align-items: center; gap: 7px; padding: 11px 14px; border-bottom: 1px solid #EEF3FA; }
.browser__bar > i { width: 11px; height: 11px; border-radius: 50%; background: #FF6B6B; }
.browser__bar > i:nth-child(2) { background: #FFC34D; } .browser__bar > i:nth-child(3) { background: #3DD68C; }
.browser__url { margin-left: 14px; font-size: 10.5px; letter-spacing: 0.06em; color: var(--muted); background: #EEF3FA; padding: 4px 14px; border-radius: 99px; }
.browser__screens { position: relative; aspect-ratio: 16 / 10; }
.browser__screens img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top left; opacity: 0; transform: scale(1.04); transition: opacity 0.7s, transform 1.2s cubic-bezier(.2, .7, .2, 1), clip-path 0.9s cubic-bezier(.7, 0, .2, 1); clip-path: inset(0 0 100% 0); }
.browser__screens img.is-active { opacity: 1; transform: scale(1); clip-path: inset(0 0 0 0); }
.browser__scan { position: absolute; left: 0; right: 0; height: 120px; top: -120px; background: linear-gradient(transparent, rgba(34, 211, 238, 0.25), transparent); pointer-events: none; }
.hudbox { position: absolute; inset: -16px; pointer-events: none;
  background:
    linear-gradient(var(--blue), var(--blue)) top left / 28px 2px, linear-gradient(var(--blue), var(--blue)) top left / 2px 28px,
    linear-gradient(var(--blue), var(--blue)) top right / 28px 2px, linear-gradient(var(--blue), var(--blue)) top right / 2px 28px,
    linear-gradient(var(--blue), var(--blue)) bottom left / 28px 2px, linear-gradient(var(--blue), var(--blue)) bottom left / 2px 28px,
    linear-gradient(var(--blue), var(--blue)) bottom right / 28px 2px, linear-gradient(var(--blue), var(--blue)) bottom right / 2px 28px;
  background-repeat: no-repeat; }

/* ============ Results ============ */
.results { background: linear-gradient(180deg, rgba(224, 236, 255, 0.6), transparent); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; perspective: 1200px; }
.stat { position: relative; padding: 44px 36px; border-radius: 24px; background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); text-align: center; backdrop-filter: blur(10px); transform-style: preserve-3d; }
.stat__dial { position: relative; width: 150px; height: 150px; margin: 0 auto; }
.ring { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-90deg); }
.ring circle { fill: none; stroke: #E4ECF8; stroke-width: 5; }
.ring .ring__fg { stroke: var(--blue); stroke-linecap: round; stroke-dasharray: 327; stroke-dashoffset: 327; }
.stat--v .ring__fg { stroke: var(--violet); }
.stat__num { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-family: var(--en); font-size: 54px; font-weight: 700; line-height: 1; color: var(--blue); }
.stat--v .stat__num { color: var(--violet); }
.stat__num small { font-size: 18px; color: var(--ink); margin: 0.9em 0 0 2px; font-family: var(--jp); }
.stat__num--icon { font-size: 58px; }
.stat__num--jp { font-family: var(--jp); font-weight: 900; font-size: 40px; }
.stat p { margin-top: 26px; font-weight: 700; font-size: 16px; }

/* ============ AI pipeline ============ */
.pipe { position: relative; margin-top: 10px; }
.pipe__svg { position: absolute; left: 0; top: 0; width: 100%; height: 200px; overflow: visible; z-index: 2; pointer-events: none; }
.pipe__svg path { fill: none; stroke: url(#pg); stroke-width: 2.5; stroke-dasharray: 6 8; }
.pipe__dot { fill: var(--cyan); filter: drop-shadow(0 0 8px var(--cyan)); }
.pipe__nodes { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; padding-top: 40px; }
.pnode { text-align: center; padding: 28px 16px; border-radius: 20px; background: rgba(255, 255, 255, 0.92); border: 1px solid var(--line); box-shadow: var(--shadow); }
.pnode__ic { position: relative; z-index: 3; width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 18px; display: grid; place-items: center; font-family: var(--mono); font-size: 12px; font-weight: 500; color: #fff; background: linear-gradient(135deg, var(--blue), var(--cyan)); box-shadow: 0 10px 24px -8px rgba(2, 132, 199, 0.6); }
.pnode--v .pnode__ic { background: linear-gradient(135deg, var(--violet), #C084FC); box-shadow: 0 10px 24px -8px rgba(124, 58, 237, 0.6); }
.pnode h4 { font-size: 16px; }
.pnode p { font-size: 12.5px; color: var(--muted); }
.ai__bottom { margin-top: 56px; display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; }
.secure { display: flex; gap: 18px; align-items: center; padding: 26px 28px; border-radius: 20px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
.secure__ic { width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; background: #E3F6EF; color: #059669; font-size: 26px; flex: none; }
.secure p { font-size: 10.5px; color: #059669; }
.bars { display: flex; flex-direction: column; gap: 22px; }
.bar__head { display: flex; justify-content: space-between; align-items: baseline; font-weight: 700; }
.bar__head b { font-family: var(--en); font-size: 34px; color: var(--blue); }
.bar--v .bar__head b { color: var(--violet); }
.bar__track { height: 8px; border-radius: 99px; background: #E4ECF8; overflow: hidden; margin-top: 6px; }
.bar__track i { display: block; height: 100%; width: 0; border-radius: 99px; background: linear-gradient(90deg, var(--blue), var(--cyan)); }
.bar--v .bar__track i { background: linear-gradient(90deg, var(--violet), #C084FC); }

/* ============ Closing ============ */
.closing { position: relative; min-height: 100vh; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; padding: 120px 24px; overflow: hidden; z-index: 1;
  background: radial-gradient(ellipse at 50% 60%, rgba(56, 189, 248, 0.25), transparent 60%), linear-gradient(180deg, transparent, #EAF1FF); }
.closing__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.closing > *:not(canvas) { position: relative; }
.closing__title { font-size: clamp(34px, 5.4vw, 76px); font-weight: 900; line-height: 1.25; }
.closing__title .split:last-child { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.closing__title .split:last-child .ch { background: inherit; -webkit-background-clip: text; background-clip: text; }
.closing__sub { margin-top: 28px; color: var(--muted); font-size: clamp(15px, 1.4vw, 19px); }
.btn { margin-top: 48px; display: inline-block; padding: 20px 40px; border-radius: 99px; background: var(--ink); color: #fff; font-weight: 700; position: relative; overflow: hidden; }
.btn::before { content: ""; position: absolute; inset: 0; background: var(--grad); transform: translateY(101%); transition: transform 0.5s cubic-bezier(.7, 0, .2, 1); }
.btn:hover::before { transform: translateY(0); }
.btn span, .btn small { position: relative; }
.btn__hint { display: block; margin-top: 6px; font-size: 10px; font-weight: 400; opacity: 0.6; }
.closing > .demo-note { position: absolute; bottom: 32px; font-size: 10px; color: var(--dim); }

/* ============ Responsive ============ */
@media (max-width: 900px) {
  .contents__grid, .stats, .ai__bottom { grid-template-columns: 1fr; }
  .pipe__nodes { grid-template-columns: repeat(2, 1fr); }
  .pipe__svg, .hero__meta, .dbms__bg-word { display: none; }
  .dbms__pin { grid-template-columns: 1fr; height: auto; padding-top: 110px; }
  .nav__links a { padding: 8px 10px; font-size: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .scroll-hint *, .sun__rays, .cloud { animation: none !important; }
}