/* ==========================================================================
   Messvate — landing page
   ========================================================================== */

section { position: relative; }
.eyebrow {
  display: inline-block; margin: 0 0 14px;
  font-family: var(--font-mono); font-size: 13px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--token);
}
.eyebrow.center { display: block; text-align: center; }
.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(34px, 5vw, 60px); line-height: 1.04; letter-spacing: -.035em;
  margin: 0 0 16px;
}
.section-sub { color: var(--text-2); font-size: 18px; margin: 0; }
.muted { color: var(--text-3); }
.muted-title { color: var(--text-3); }
.small { font-size: 12px; }
.link { color: var(--token); border-bottom: 1px solid currentColor; }

/* cursor glow */
.cursor-glow {
  position: fixed; left: 0; top: 0; width: 520px; height: 520px; margin: -260px 0 0 -260px;
  border-radius: 50%; pointer-events: none; z-index: 0;
  background: radial-gradient(closest-side, var(--glow), transparent);
  opacity: .35; filter: blur(20px);
  transform: translate3d(-999px, -999px, 0);
}
@media (hover: none) { .cursor-glow { display: none; } }
main, .footer { position: relative; z-index: 1; }

/* ======================= HERO ======================= */
.hero { padding: 150px 0 80px; min-height: 100vh; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: -1; overflow: hidden; }
.aurora { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .55; will-change: transform; }
.a1 { width: 620px; height: 620px; left: -160px; top: -200px; background: #7c5cff; }
.a2 { width: 520px; height: 520px; right: -140px; top: 40px; background: #22e0c0; opacity: .35; }
.a3 { width: 680px; height: 420px; left: 30%; bottom: -260px; background: #4f8bff; opacity: .35; }
[data-theme-resolved="light"] .aurora { opacity: .28; }
.grid-bg {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%);
}
#particles { position: absolute; inset: 0; width: 100%; height: 100%; }

.hero-inner { text-align: center; display: flex; flex-direction: column; align-items: center; }
.pill {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 14px 7px 10px; border-radius: 999px;
  font-size: 13.5px; font-weight: 500; color: var(--text-2);
  background: var(--surface); border: 1px solid var(--border-strong);
  backdrop-filter: blur(12px);
  transition: border-color .2s, color .2s;
}
.pill:hover { border-color: var(--violet); color: var(--text); }
.pill-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--safe); box-shadow: 0 0 0 4px var(--safe-bg); animation: pulse 2s infinite; }

.hero-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(46px, 8.6vw, 112px); line-height: .98; letter-spacing: -.05em;
  margin: 28px 0 24px;
}
.ht-line { display: block; }
.ht-mask { display: block; overflow: hidden; padding-bottom: .1em; }
.hero-title .grad-text { display: inline-block; padding: 0 .04em .02em; }
.hero-sub { max-width: 640px; font-size: clamp(17px, 2vw, 20px); color: var(--text-2); margin: 0 0 36px; }
.hero-sub em { font-style: normal; color: var(--text); font-weight: 600; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

/* hero visual */
.hero-visual {
  margin-top: 72px; width: 100%; max-width: 1080px;
  display: grid; grid-template-columns: 1fr 140px 1fr; align-items: center; gap: 0;
  text-align: left;
  perspective: 1200px;
}
.hv-card {
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px) saturate(1.3);
  -webkit-backdrop-filter: blur(20px) saturate(1.3);
  overflow: hidden;
  min-height: 210px;
}
.hv-you { transform: rotateY(8deg); transform-origin: right center; }
.hv-ai { transform: rotateY(-8deg); transform-origin: left center; }
.hv-head { display: flex; align-items: center; gap: 6px; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.hv-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--border-strong); }
.hv-title { margin-left: 8px; font-size: 13px; font-weight: 600; color: var(--text-2); }
.hv-provider { margin-left: auto; font-size: 12px; color: var(--token); }
.hv-body { padding: 18px 20px 22px; font-size: 15.5px; line-height: 1.75; min-height: 150px; }
.hv-body .caret { display: inline-block; width: 2px; height: 1.1em; background: var(--violet); vertical-align: -3px; margin-left: 1px; animation: pulse 1s steps(1) infinite; }

.hv-shield { position: relative; height: 210px; display: grid; place-items: center; }
.shield-core {
  position: relative; z-index: 2; width: 72px; height: 72px; border-radius: 22px;
  display: grid; place-items: center;
  background: var(--surface-solid); border: 1px solid var(--border-strong);
  box-shadow: 0 0 0 8px var(--token-bg), 0 20px 50px -10px var(--glow);
}
.shield-core svg { width: 40px; height: 40px; }
.shield-ring { position: absolute; border-radius: 50%; border: 1px solid var(--border-strong); }
.shield-ring.r1 { width: 120px; height: 120px; border-style: dashed; animation: spin 18s linear infinite; }
.shield-ring.r2 { width: 160px; height: 160px; opacity: .5; animation: spin 30s linear infinite reverse; }
.shield-beam {
  position: absolute; left: -20px; right: -20px; top: 50%; height: 2px; z-index: 1;
  background: linear-gradient(90deg, transparent, var(--violet), var(--teal), transparent);
  opacity: .7;
}
.shield-label {
  position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  font-size: 11px; color: var(--text-3); white-space: nowrap;
}

@media (max-width: 560px) { .pill-long { display: none; } }

@media (max-width: 860px) {
  .hero-visual { grid-template-columns: 1fr; gap: 0; }
  .hv-you, .hv-ai { transform: none; }
  .hv-shield { height: 130px; }
  .shield-beam { left: 50%; right: auto; top: -10px; bottom: -10px; width: 2px; height: auto; background: linear-gradient(180deg, transparent, var(--violet), var(--teal), transparent); }
  .shield-label { bottom: auto; left: calc(50% + 50px); top: 50%; transform: translateY(-50%); }
}

/* ======================= PROVIDERS ======================= */
.providers { padding: 40px 0 90px; }
.marquee {
  overflow: hidden; margin-top: 20px;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track { display: flex; gap: 14px; width: max-content; will-change: transform; }
.prov {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 20px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border);
  font-weight: 600; font-size: 16px; white-space: nowrap; color: var(--text-2);
  transition: color .2s, border-color .2s;
}
.prov:hover { color: var(--text); border-color: var(--border-strong); }
.prov i {
  width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center;
  font-style: normal; font-size: 12px; font-weight: 700; color: #fff;
}

/* ======================= PROBLEM ======================= */
.problem { padding: 60px 0 120px; }
.big-statement {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(28px, 4.2vw, 54px); line-height: 1.15; letter-spacing: -.03em;
  max-width: 1040px; margin: 0 auto 80px; text-align: center;
}
.big-statement .word { opacity: .15; transition: none; }
.big-statement .hl { position: relative; white-space: nowrap; }
.big-statement .hl.lit { color: var(--sensitive); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat {
  padding: 28px 24px; border-radius: var(--radius-lg);
  background: var(--surface); border: 1px solid var(--border);
}
.stat-num, .stat-suf { font-family: var(--font-display); font-size: 48px; font-weight: 700; letter-spacing: -.04em; line-height: 1; }
.stat-suf { font-size: 26px; color: var(--token); }
.stat p { margin: 12px 0 0; color: var(--text-2); font-size: 15px; }
@media (max-width: 900px) { .stats { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .stats { grid-template-columns: 1fr; } }

/* ======================= HOW ======================= */
.how { padding: 100px 0 0; }
.how-pin { min-height: 100vh; display: flex; align-items: center; padding: 40px 0; }
.how-grid { display: grid; grid-template-columns: 360px 1fr; gap: 48px; align-items: center; }
.how-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.how-step {
  display: flex; gap: 16px; padding: 18px 20px; border-radius: var(--radius);
  border: 1px solid transparent; opacity: .4;
  transition: opacity .5s var(--ease-out), background .5s, border-color .5s, transform .5s var(--ease-out);
}
.how-step.is-active { opacity: 1; background: var(--surface); border-color: var(--border-strong); transform: translateX(6px); box-shadow: var(--shadow); }
.how-step h3 { margin: 0 0 4px; font-size: 18px; letter-spacing: -.01em; }
.how-step p { margin: 0; color: var(--text-2); font-size: 15px; }
.step-num { font-size: 13px; color: var(--token); padding-top: 3px; }

.how-stage {
  position: relative; height: 580px; border-radius: var(--radius-xl);
  background: var(--bg-2); border: 1px solid var(--border);
  overflow: hidden; box-shadow: var(--shadow-lg);
}
.stage-grid {
  position: absolute; inset: 0;
  background-image: radial-gradient(var(--border-strong) 1px, transparent 1px);
  background-size: 22px 22px; opacity: .6;
}
.stage-card {
  position: absolute; left: 28px; width: calc(60% - 28px);
  border-radius: var(--radius); background: var(--surface-solid);
  border: 1px solid var(--border-strong); box-shadow: var(--shadow);
  padding: 14px 18px 18px; overflow: hidden;
}
.st-prompt { top: 28px; }
.st-answer { bottom: 28px; }
.stage-card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; font-size: 12px; }
.badge { font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 999px; background: var(--token-bg); color: var(--token); letter-spacing: .04em; text-transform: uppercase; }
.badge.safe { background: var(--safe-bg); color: var(--safe); }
.stage-text { margin: 0; font-size: 15px; line-height: 1.8; }
.scan-line {
  position: absolute; top: 0; bottom: 0; left: 0; width: 80px;
  background: linear-gradient(90deg, transparent, rgba(124, 92, 255, .35), transparent);
  border-right: 2px solid var(--violet);
  transform: translateX(-120px); opacity: 0; pointer-events: none;
}

.stage-engine {
  position: absolute; left: 28px; width: calc(60% - 28px); top: 50%; transform: translateY(-50%);
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.engine-core {
  width: 64px; height: 64px; border-radius: 20px; flex: none;
  display: grid; place-items: center;
  background: var(--surface-solid); border: 1px solid var(--border-strong);
  box-shadow: 0 0 0 6px var(--token-bg), 0 14px 40px -10px var(--glow);
}
.engine-core svg { width: 36px; height: 36px; }
.engine-chip {
  display: inline-flex; align-items: center; gap: 8px; flex: 1;
  font-size: 13px; font-weight: 600; padding: 10px 12px; border-radius: 12px;
  background: var(--surface-solid); border: 1px solid var(--border);
  transition: border-color .4s, box-shadow .4s, opacity .4s;
  opacity: .5;
}
.engine-chip .mono { font-size: 11px; margin-left: auto; font-weight: 400; }
.engine-chip .led { width: 8px; height: 8px; border-radius: 50%; background: var(--text-3); transition: background .4s, box-shadow .4s; }
.engine-chip.on { opacity: 1; border-color: var(--violet); box-shadow: 0 0 0 4px var(--token-bg); }
.engine-chip.on .led { background: var(--safe); box-shadow: 0 0 10px var(--safe); }
.engine-chip.claude.on { border-color: #d97757; box-shadow: 0 0 0 4px rgba(217, 119, 87, .15); }
.ent.ctx.is-sensitive { background: rgba(217, 119, 87, .15); color: #d97757; box-shadow: inset 0 -1.5px 0 #d97757; }

.stage-wires { position: absolute; left: 60%; width: 17%; top: 40%; height: 45%; overflow: visible; }
.stage-wires path { opacity: .25; transition: opacity .4s; }
.stage-wires path.on { opacity: 1; }
.packet {
  position: absolute; left: 0; top: 0; z-index: 3;
  padding: 5px 10px; border-radius: 999px; font-size: 11px; color: #fff;
  background: var(--grad); box-shadow: 0 6px 20px -4px var(--glow);
  opacity: 0; pointer-events: none;
}
.packet.back { background: linear-gradient(120deg, #0aa58a, #22e0c0); }

.stage-provider {
  position: absolute; right: 28px; top: 50%; transform: translateY(-50%);
  width: calc(23% - 36px); min-width: 120px;
  padding: 18px 12px; border-radius: var(--radius); text-align: center;
  background: var(--surface-solid); border: 1px solid var(--border-strong);
  transition: box-shadow .4s, border-color .4s;
}
.stage-provider.on { border-color: var(--teal); box-shadow: 0 0 0 5px var(--safe-bg); }
.prov-stack { display: flex; justify-content: center; margin-bottom: 8px; }
.prov-logo {
  width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center;
  font-size: 12px; font-weight: 700; color: #fff; border: 2px solid var(--surface-solid);
  margin-left: -8px;
}
.prov-logo:nth-child(1) { background: #d97757; margin-left: 0; }
.prov-logo:nth-child(2) { background: #10a37f; }
.prov-logo:nth-child(3) { background: linear-gradient(135deg, #4285f4, #9b72cb); }

@media (max-width: 1000px) {
  .how-grid { grid-template-columns: 1fr; }
  .how-pin { min-height: 0; }
  .how-steps { order: 2; }
  .how-step { opacity: 1; }
  .how-stage { height: auto; padding: 20px; display: grid; gap: 16px; }
  .stage-card, .stage-engine, .stage-provider { position: relative; left: auto; right: auto; top: auto; bottom: auto; width: auto; transform: none; }
  .stage-engine { display: grid; grid-template-columns: 1fr; justify-items: center; gap: 10px; }
  .engine-core { order: -1; }
  .engine-chip { width: 100%; }
  .stage-wires, .packet { display: none; }
  .stage-provider { justify-self: center; min-width: 200px; }
}

/* ======================= FEATURES ======================= */
.features { padding: 140px 0 120px; }
.bento { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-flow: dense; gap: 16px; }
.tile {
  position: relative; padding: 28px; border-radius: var(--radius-lg);
  background: var(--surface); border: 1px solid var(--border);
  overflow: hidden; transform-style: preserve-3d; will-change: transform;
  transition: border-color .3s;
}
.tile:hover { border-color: var(--border-strong); }
.t-wide { grid-column: span 2; }
.tile-glow {
  position: absolute; width: 400px; height: 400px; margin: -200px 0 0 -200px; left: var(--mx, 50%); top: var(--my, 0%);
  background: radial-gradient(closest-side, var(--glow), transparent); opacity: 0; transition: opacity .3s; pointer-events: none;
}
.tile:hover .tile-glow { opacity: 1; }
.tile-icon {
  position: relative; width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 20px;
  background: var(--token-bg); color: var(--token);
}
.tile-icon svg { width: 22px; height: 22px; }
.tile h3 { position: relative; margin: 0 0 8px; font-size: 20px; letter-spacing: -.02em; }
.tile p { position: relative; margin: 0; color: var(--text-2); font-size: 15.5px; }
.mini-code {
  position: relative; margin-top: 20px; padding: 14px 16px; border-radius: 12px; font-size: 13px; line-height: 1.8;
  background: var(--surface-2); border: 1px solid var(--border); overflow-x: auto; white-space: nowrap;
}
.c-dim { color: var(--text-3); }
.c-del { color: var(--sensitive); text-decoration: line-through; }
.c-add { color: var(--safe); }
.feed { position: relative; margin-top: 20px; display: grid; gap: 8px; }
.feed-row {
  display: grid; grid-template-columns: 90px 1fr auto; gap: 12px; align-items: center;
  padding: 10px 14px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--border); font-size: 13px;
}
.feed-row .mono { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tag { font-family: var(--font-mono); font-size: 10.5px; font-weight: 600; padding: 3px 8px; border-radius: 6px; text-align: center; }
.t-secret { background: var(--sensitive-bg); color: var(--sensitive); }
.t-card { background: rgba(255, 181, 71, .15); color: #e09a20; }
.t-ctx { background: rgba(217, 119, 87, .15); color: #d97757; }
@media (max-width: 900px) { .bento { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .bento { grid-template-columns: 1fr; } .t-wide { grid-column: auto; } .feed-row { grid-template-columns: 76px 1fr; } .feed-row .muted { display: none; } }

/* ======================= SETUP ======================= */
.setup { padding: 80px 0 120px; }
.setup-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 64px; align-items: center; }
.checks { list-style: none; padding: 0; margin: 28px 0 36px; display: grid; gap: 14px; }
.checks li { display: flex; gap: 12px; color: var(--text-2); font-size: 17px; }
.check {
  flex: none; width: 22px; height: 22px; margin-top: 2px; border-radius: 50%;
  background: var(--safe-bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2322c4a8' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/12px no-repeat;
}
.code-window {
  border-radius: var(--radius-lg); overflow: hidden;
  background: #0b0c14; border: 1px solid rgba(255, 255, 255, .1);
  box-shadow: var(--shadow-lg); color: #e6e6f0;
}
.code-head { display: flex; align-items: center; gap: 16px; padding: 12px 16px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.code-dots { display: flex; gap: 6px; }
.code-dots span { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.code-dots span:nth-child(2) { background: #febc2e; }
.code-dots span:nth-child(3) { background: #28c840; }
.code-tabs { display: flex; gap: 4px; }
.code-tab { padding: 6px 12px; border-radius: 8px; font-size: 13px; color: #8a8da3; transition: background .2s, color .2s; }
.code-tab.is-active, .code-tab:hover { color: #fff; background: rgba(255, 255, 255, .08); }
.code-body { margin: 0; padding: 22px 24px; min-height: 300px; font-size: 14px; line-height: 1.75; overflow-x: auto; white-space: pre; }
.code-body .k { color: #c792ea; }
.code-body .s { color: #c3e88d; }
.code-body .c { color: #676e95; }
.code-body .f { color: #82aaff; }
.code-body .hl { background: rgba(124, 92, 255, .25); border-radius: 4px; padding: 0 2px; color: #fff; }
.code-body .caret { display: inline-block; width: 8px; height: 1.1em; background: #7c5cff; vertical-align: -3px; animation: pulse 1s steps(1) infinite; }
@media (max-width: 900px) { .setup-grid { grid-template-columns: 1fr; gap: 40px; } }

/* ======================= FAQ ======================= */
.faq { padding: 80px 0 120px; }
.faq-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px; }
.faq-list { display: grid; gap: 10px; }
.faq-item { border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); overflow: hidden; transition: border-color .3s; }
.faq-item[open] { border-color: var(--border-strong); }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 20px 56px 20px 22px; position: relative;
  font-weight: 600; font-size: 17px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: ""; position: absolute; right: 22px; top: 50%; width: 12px; height: 12px; margin-top: -8px;
  border-right: 2px solid var(--text-3); border-bottom: 2px solid var(--text-3);
  transform: rotate(45deg); transition: transform .4s var(--ease-out);
}
.faq-item[open] summary::after { transform: rotate(225deg); margin-top: -2px; }
.faq-a { padding: 0 22px 20px; color: var(--text-2); }
.faq-a p { margin: 0; }
@media (max-width: 900px) { .faq-grid { grid-template-columns: 1fr; gap: 32px; } }

/* ======================= CTA ======================= */
.cta { padding: 40px 0 140px; }
.cta-card {
  position: relative; overflow: hidden; text-align: center;
  padding: clamp(56px, 9vw, 110px) 24px;
  border-radius: var(--radius-xl);
  background: radial-gradient(120% 120% at 50% 0%, var(--token-bg), transparent 60%), var(--surface);
  border: 1px solid var(--border-strong);
}
.cta-card h2 { position: relative; font-family: var(--font-display); font-size: clamp(34px, 5.6vw, 68px); letter-spacing: -.04em; line-height: 1.02; margin: 0 0 16px; }
.cta-card p { position: relative; color: var(--text-2); font-size: 18px; margin: 0 0 32px; }
.cta-orbit { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; }
.cta-orbit span { position: absolute; border-radius: 50%; border: 1px solid var(--border-strong); }
.cta-orbit span:nth-child(1) { width: 420px; height: 420px; }
.cta-orbit span:nth-child(2) { width: 680px; height: 680px; border-style: dashed; animation: spin 60s linear infinite; }
.cta-orbit span:nth-child(3) { width: 960px; height: 960px; }
.cta-orbit span::after {
  content: ""; position: absolute; top: -5px; left: 50%; width: 10px; height: 10px; border-radius: 50%;
  background: var(--violet); box-shadow: 0 0 14px var(--violet);
}
.cta-orbit span:nth-child(1) { animation: spin 20s linear infinite; }
.cta-orbit span:nth-child(3) { animation: spin 40s linear infinite reverse; }
.cta-orbit span:nth-child(3)::after { background: var(--teal); box-shadow: 0 0 14px var(--teal); }

/* pre-animation state (only when JS + GSAP are present) */
.js-anim .reveal-up { opacity: 0; transform: translateY(24px); }