/* ============================================================
   SumGeniusAI Design System v2  (ds2.css)
   Extracted from the v3-bento prototype (July 2026 redesign).
   Source of truth for the public site: tokens, base, nav,
   buttons, reveals, iPhone/DM mockup, logo marquee, browser
   frame, bento/tile primitives, teaser band, testimonials,
   FAQ rows, final CTA, footer, reduced-motion.
   Rules: monochrome only (no indigo), no emojis, no em dashes.
   Load order: ds2-fonts.css -> ds2.css -> page css.
   ============================================================ */


/* ============================================================
   TOKENS
   ============================================================ */
:root{
  --bg:#000000;
  --panel:#0E0E10;
  --panel-2:#141416;
  --panel-3:#1C1C20;
  --text:#FFFFFF;
  --text-2:#B8B8C0;
  --text-3:#75757F;
  --border:rgba(255,255,255,0.11);
  --border-strong:rgba(255,255,255,0.19);
  --accent:#FFFFFF;
  --accent-l:#FFFFFF;
  --accent-dim:rgba(255,255,255,0.10);
  --radius:24px;
  --radius-sm:20px;
  --radius-xs:12px;
  --spring:cubic-bezier(0.34,1.56,0.64,1);
  --ease:cubic-bezier(0.22,1,0.36,1);
  /* layered depth — the only depth system on this page */
  --shadow-tile:
    inset 0 1px 0 rgba(255,255,255,0.05),
    0 1px 2px rgba(0,0,0,0.5),
    0 12px 32px -12px rgba(0,0,0,0.7);
  --shadow-lift:
    inset 0 1px 0 rgba(255,255,255,0.07),
    0 2px 4px rgba(0,0,0,0.5),
    0 24px 48px -16px rgba(0,0,0,0.85);
  --shadow-deep:
    inset 0 1px 0 rgba(255,255,255,0.06),
    0 2px 6px rgba(0,0,0,0.6),
    0 24px 60px -12px rgba(0,0,0,0.9),
    0 60px 120px -30px rgba(255,255,255,0.12);
  --font:"General Sans","General Sans Variable",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

/* ============================================================
   RESET + BASE
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
::selection{background:rgba(255,255,255,0.92);color:#000}
:focus-visible{outline:2px solid var(--accent-l);outline-offset:3px;border-radius:4px}

.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

/* Display type */
h1,h2{letter-spacing:-0.02em;font-weight:600;line-height:1.08}
h1 .dim,h2 .dim{color:#8F8F98}
h1{font-size:clamp(2.5rem,5.6vw,4.25rem)}
h2{font-size:clamp(1.9rem,3.6vw,2.75rem)}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:0.8125rem;font-weight:500;letter-spacing:0.08em;text-transform:uppercase;
  color:var(--accent-l);margin-bottom:18px;
}
.kicker::before{content:"";width:18px;height:1px;background:var(--accent-l);opacity:0.7}

/* Reveal-on-scroll (springy) */
.reveal{opacity:0;transform:translateY(26px) scale(0.985)}
.in .reveal, .reveal.in{
  opacity:1;transform:translateY(0) scale(1);
  transition:opacity 0.45s var(--ease), transform 0.5s var(--spring);
}
.reveal[data-d="1"]{transition-delay:0.07s}
.reveal[data-d="2"]{transition-delay:0.14s}
.reveal[data-d="3"]{transition-delay:0.21s}
.reveal[data-d="4"]{transition-delay:0.28s}
.reveal[data-d="5"]{transition-delay:0.35s}

/* Ambient meshes — exactly two, anchored, subtle */
.mesh{position:absolute;pointer-events:none;border-radius:50%;filter:blur(80px);z-index:0}
.mesh-hero{
  top:-120px;right:-160px;width:640px;height:560px;
  background:radial-gradient(closest-side,rgba(255,255,255,0.15),transparent 70%);
}
.mesh-bento{
  top:10%;left:-220px;width:700px;height:700px;
  background:radial-gradient(closest-side,rgba(255,255,255,0.11),transparent 70%);
}

.badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 18px;border-radius:999px;margin-bottom:24px;
  background:rgba(10,10,10,0.6);
  border:1px solid rgba(255,255,255,0.1);
  font-size:0.85rem;font-weight:500;color:rgba(255,255,255,0.9);
}
@supports (backdrop-filter:blur(1px)){
  .badge{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}
}
.badge img{height:22px;width:auto;filter:brightness(0) invert(1)}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:500;font-size:0.9375rem;border-radius:12px;border:1px solid transparent;
  padding:12px 22px;transition:transform 0.3s var(--spring),box-shadow 0.25s ease,background 0.2s ease,border-color 0.2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--accent);color:#000;
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.18),0 2px 6px rgba(0,0,0,0.5),0 8px 24px -6px rgba(255,255,255,0.5);
}
.btn-primary:hover{
  background:var(--accent-l);transform:translateY(-2px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.2),0 4px 10px rgba(0,0,0,0.5),0 14px 32px -6px rgba(255,255,255,0.6);
}
.btn-primary:active{transform:translateY(0) scale(0.98)}
.btn-login{
  background:#fff;color:#000;border:none;
  padding:0.5rem 1.1rem;border-radius:999px;
  font-weight:500;font-size:0.875rem;
  transition:background 0.15s ease;
}
.btn-login:hover{background:rgba(255,255,255,0.9)}
.btn-ghost{
  background:rgba(255,255,255,0.04);color:var(--text);border-color:var(--border);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.04);
}
.btn-ghost:hover{background:rgba(255,255,255,0.08);border-color:var(--border-strong);transform:translateY(-2px)}
.btn-lg{padding:15px 30px;font-size:1.0625rem;border-radius:14px}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(0,0,0,0.82);
  border-bottom:1px solid var(--border);
}
@supports (backdrop-filter:blur(1px)){
  .nav{background:rgba(0,0,0,0.6);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{font-weight:600;font-size:1.125rem;letter-spacing:-0.01em;display:flex;align-items:center;gap:10px}
.brand-logo{width:28px;height:28px;object-fit:contain;flex:none}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none}
.nav-links a:not(.btn){
  padding:8px 14px;border-radius:10px;font-size:0.9375rem;font-weight:500;color:var(--text-2);
  transition:color 0.2s ease,background 0.2s ease;
}
.nav-links a:not(.btn):hover{color:var(--text);background:rgba(255,255,255,0.06)}
.nav-cta{display:flex;align-items:center;gap:10px}
.menu-btn{
  display:none;background:none;border:1px solid var(--border);border-radius:10px;
  width:42px;height:42px;align-items:center;justify-content:center;color:var(--text);
}
.menu-btn svg{width:20px;height:20px}
@media (max-width:860px){
  .nav-links{
    display:none;position:absolute;top:68px;left:0;right:0;
    background:var(--panel);border-bottom:1px solid var(--border);
    flex-direction:column;align-items:stretch;padding:12px;gap:2px;
    box-shadow:0 24px 48px -12px rgba(0,0,0,0.8);
  }
  .nav-links.open{display:flex}
  .nav-links a:not(.btn){padding:14px 16px;display:block}
  .menu-btn{display:inline-flex}
  .nav-cta .btn-login{display:none}
}


/* ---------- Live-site iPhone 14 Pro mockup (ported from home.css) ---------- */
.phone-stage{display:flex;justify-content:center}
.phone-mockup{flex-shrink:0;width:292px;height:592px;position:relative;overflow:visible}
.phone-mockup .device-iphone-14-pro{transform:scale(0.682);transform-origin:top left;position:absolute;top:0;left:0}
.device-iphone-14-pro{height:868px;width:428px;position:relative}
.device-iphone-14-pro .device-frame{
  background:#010101;border:1px solid #1b1721;border-radius:68px;
  box-shadow:inset 0 0 4px 2px #c0b7cd,inset 0 0 0 6px #342c3f;
  height:868px;padding:19px;width:428px;
}
.device-iphone-14-pro .device-screen{border-radius:49px;height:830px;width:390px;overflow:hidden;background:#000}
.device-iphone-14-pro .device-stripe::after,
.device-iphone-14-pro .device-stripe::before{
  border:solid rgba(1,1,1,.25);border-width:0 7px;content:"";height:7px;left:0;position:absolute;width:100%;z-index:9;
}
.device-iphone-14-pro .device-stripe::after{top:85px}
.device-iphone-14-pro .device-stripe::before{bottom:85px}
.device-iphone-14-pro .device-header{
  background:#010101;border-radius:20px;height:35px;left:50%;margin-left:-60px;position:absolute;top:29px;width:120px;z-index:10;
}
.device-iphone-14-pro .device-sensors::after,
.device-iphone-14-pro .device-sensors::before{content:"";position:absolute}
.device-iphone-14-pro .device-sensors::after{
  background:#010101;border-radius:17px;height:33px;left:50%;margin-left:-60px;top:30px;width:74px;
}
.device-iphone-14-pro .device-sensors::before{
  background:radial-gradient(farthest-corner at 20% 20%,#6074bf 0,transparent 40%),
             radial-gradient(farthest-corner at 80% 80%,#513785 0,#24555e 20%,transparent 50%);
  border-radius:50%;box-shadow:0 0 1px 1px rgba(255,255,255,.05);
  height:9px;left:50%;margin-left:36px;top:42px;width:9px;
}
.device-iphone-14-pro .device-btns{background:#1b1721;border-radius:2px;height:32px;left:-2px;position:absolute;top:115px;width:3px}
.device-iphone-14-pro .device-btns::after,
.device-iphone-14-pro .device-btns::before{background:#1b1721;border-radius:2px;content:"";height:62px;left:0;position:absolute;width:3px}
.device-iphone-14-pro .device-btns::after{top:60px}
.device-iphone-14-pro .device-btns::before{top:140px}
.device-iphone-14-pro .device-power{background:#1b1721;border-radius:2px;height:100px;position:absolute;right:-2px;top:200px;width:3px}

.dm-header{
  background:linear-gradient(180deg,#1a1a1a 0%,#0d0d0d 100%);
  padding:50px 24px 20px;display:flex;align-items:center;gap:14px;
  border-bottom:1px solid rgba(255,255,255,0.1);
}
.dm-avatar{
  width:52px;height:52px;border-radius:50%;
  background:linear-gradient(135deg,#405DE6,#833AB4,#E1306C);
  display:flex;align-items:center;justify-content:center;
  font-size:24px;font-weight:600;color:#fff;
}
.dm-user-info{flex:1}
.dm-username{font-size:22px;font-weight:600;color:#fff}
.dm-status{font-size:16px;color:rgba(255,255,255,0.5)}
.dm-messages{padding:24px;display:flex;flex-direction:column;gap:20px;height:680px;overflow:hidden}
.dm-bubble{
  max-width:85%;padding:16px 20px;border-radius:24px;font-size:19px;line-height:1.4;
  opacity:0;transform:translateY(12px) scale(0.94);
}
.dm-bubble.show{
  opacity:1;transform:translateY(0) scale(1);
  transition:opacity 0.35s ease,transform 0.5s var(--spring);
}
.dm-bubble.incoming{background:#262626;color:#fff;align-self:flex-start;border-bottom-left-radius:6px;transform-origin:bottom left}
.dm-bubble.outgoing{background:linear-gradient(135deg,#405DE6 0%,#5851DB 100%);color:#fff;align-self:flex-end;border-bottom-right-radius:6px;transform-origin:bottom right}

.typing{
  align-self:flex-end;display:none;gap:6px;padding:18px 20px;border-radius:24px;border-bottom-right-radius:6px;
  background:linear-gradient(135deg,#405DE6 0%,#5851DB 100%);
}
.typing.show{display:inline-flex}
.typing i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,0.9);animation:tdot 1s infinite}
.typing i:nth-child(2){animation-delay:0.15s}
.typing i:nth-child(3){animation-delay:0.3s}
@keyframes tdot{0%,60%,100%{transform:translateY(0);opacity:0.5}30%{transform:translateY(-4px);opacity:1}}

/* ============================================================
   LOGO STRIP
   ============================================================ */
.logos{padding:26px 0 10px;position:relative}
.logos-inner{
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  padding:30px 0;
}
.logos-label{display:block;text-align:center;margin-bottom:22px}
.marquee{
  overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
}
.marquee-track{
  display:flex;align-items:center;gap:64px;
  will-change:transform;
  width:max-content;
  padding-right:64px;
  animation:crawl 64s linear infinite;
}
@keyframes crawl{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){
  .marquee-track{animation:none;flex-wrap:wrap;width:auto;justify-content:center}
  .marquee-track .logo-item[aria-hidden]{display:none}
}
.logos-label{font-size:0.8125rem;color:var(--text-3);font-weight:500;letter-spacing:0.06em;text-transform:uppercase}
.logo-item{
  display:inline-flex;align-items:center;gap:10px;flex:none;
  opacity:0.6;transition:opacity 0.25s ease,transform 0.3s var(--spring);
}
.logo-item:hover{opacity:0.85;transform:translateY(-2px)}
.logo-item img{height:24px;width:auto;filter:brightness(0) invert(1)}
.logo-item b{font-weight:600;font-size:1.05rem;letter-spacing:-0.01em;color:#fff;white-space:nowrap}

/* ============================================================
   SHOWCASE (dashboard)
   ============================================================ */
.showcase{padding:96px 0 40px;position:relative}
.showcase-head{max-width:640px;margin-bottom:48px}
.showcase-head p{color:var(--text-2);margin-top:16px;font-size:1.0625rem}
.persp{perspective:1400px}
.browser{
  transform:rotateX(9deg) scale(0.97);
  transform-origin:center top;
  will-change:transform;
  background:var(--panel-2);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  overflow:hidden;
  box-shadow:var(--shadow-deep);
}
.browser-bar{
  display:flex;align-items:center;gap:8px;padding:12px 16px;
  border-bottom:1px solid var(--border);background:rgba(255,255,255,0.025);
}
.browser-bar i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,0.14);display:block}
.browser-url{
  margin:0 auto;font-size:0.78rem;color:var(--text-3);
  background:rgba(255,255,255,0.04);border:1px solid var(--border);
  border-radius:8px;padding:4px 40px;
}
.browser img,.browser video{width:100%;height:auto;display:block}

/* ============================================================
   BENTO — signature element
   ============================================================ */
.bento-section{padding:110px 0;position:relative;overflow:hidden}
.bento-head{max-width:660px;margin-bottom:56px;position:relative;z-index:1}
.bento-head p{color:var(--text-2);margin-top:16px;font-size:1.0625rem}
.bento{
  position:relative;z-index:1;
  display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:minmax(240px,auto);gap:18px;
}
.tile{
  background:var(--panel);
  border:1px solid transparent;
  border-radius:var(--radius);
  box-shadow:var(--shadow-tile);
  padding:26px;
  display:flex;flex-direction:column;gap:18px;
  position:relative;overflow:hidden;
  transition:transform 0.35s var(--spring),box-shadow 0.3s ease,border-color 0.3s ease;
}
.tile:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:var(--border-strong)}
.tile-stretch{position:absolute;inset:0;z-index:3;border-radius:inherit}
.tile-w2{grid-column:span 2}
.tile-h2{grid-row:span 2}
.tile h3{font-size:1.1875rem;font-weight:600;letter-spacing:-0.01em}
.tile > p{color:var(--text-2);font-size:0.9375rem;line-height:1.6}
.tile-text{display:flex;flex-direction:column;gap:8px}

@media (max-width:1024px){
  .bento{grid-template-columns:repeat(2,1fr);grid-auto-flow:dense}
  .tile-h2{grid-row:span 1}
}
@media (max-width:640px){
  .bento{grid-template-columns:1fr}
  .tile-w2{grid-column:span 1}
  .bento-section{padding:80px 0}
}


/* Pricing teaser */
.teaser{
  margin-top:56px;position:relative;z-index:1;
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  padding:34px 4px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.teaser-copy b{font-size:1.25rem;font-weight:600;letter-spacing:-0.01em;display:block}
.teaser-copy span{color:var(--text-3);font-size:0.9rem}
.teaser-links{display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.teaser a.more.quiet{color:var(--text-2);font-weight:400}
.teaser a.more.quiet:hover{color:#fff}
.teaser a.more{
  color:var(--accent-l);font-weight:500;font-size:0.9375rem;
  display:inline-flex;align-items:center;gap:6px;
  transition:gap 0.25s var(--spring);
}
.teaser a.more:hover{gap:10px}


/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testis{padding:96px 0}
.testis-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px}
.testi{
  border-top:1px solid var(--border-strong);
  padding:26px 4px 0;display:flex;flex-direction:column;gap:20px;
}
.testi blockquote{font-size:0.9875rem;line-height:1.7;color:var(--text);flex:1}
.testi blockquote::before{
  content:"“";display:block;font-size:2.4rem;line-height:0.6;color:var(--accent-l);
  margin-bottom:14px;font-weight:600;
}
.testi footer{display:flex;align-items:center;gap:12px}
.testi footer .who b{display:block;font-size:0.9375rem;font-weight:600}
.testi footer .who span{font-size:0.8125rem;color:var(--text-3)}
@media (max-width:900px){.testis-grid{grid-template-columns:1fr}}

/* ============================================================
   FAQ
   ============================================================ */
.faq{padding:40px 0 96px}
.faq-list{margin-top:44px;max-width:820px}
.faq details{
  border-bottom:1px solid var(--border);
  transition:border-color 0.25s ease;
}
.faq details:first-of-type{border-top:1px solid var(--border)}
.faq details:hover{border-color:var(--border-strong)}
.faq summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 4px;font-weight:500;font-size:1.0325rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary .plus{
  flex:none;width:26px;height:26px;border-radius:8px;
  border:1px solid var(--border);background:rgba(255,255,255,0.04);
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform 0.4s var(--spring),background 0.25s ease,border-color 0.25s ease;
}
.faq summary .plus svg{width:12px;height:12px;stroke:var(--text-2)}
.faq details[open] summary .plus{transform:rotate(45deg);background:rgba(255,255,255,0.08);border-color:rgba(255,255,255,0.35)}
.faq details[open] summary .plus svg{stroke:#fff;transition:stroke 0.25s ease}
.faq .a{padding:0 4px 24px;color:var(--text-2);font-size:0.9675rem;max-width:60em}

/* ============================================================
   FINAL CTA
   ============================================================ */
.final{padding:40px 0 110px}
.final-card{
  position:relative;overflow:hidden;text-align:center;
  padding:clamp(56px,8vw,92px) 32px;
}
.final-card h2,.final-card p,.final-card .hero-actions{position:relative;z-index:1}
.final-card p.sub{color:var(--text-2);font-size:1.125rem;margin:18px auto 34px;max-width:34em}
.final-card .hero-actions{justify-content:center}
.final-card .alt{
  display:block;margin-top:22px;font-size:0.9rem;color:var(--text-3);position:relative;z-index:1;
}
.final-card .alt a{color:var(--text-2);text-decoration:underline;text-underline-offset:3px;transition:color 0.2s ease}
.final-card .alt a:hover{color:#fff}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{border-top:1px solid var(--border);padding:64px 0 40px;background:var(--panel)}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:36px}
.footer .about{color:var(--text-2);font-size:0.9rem;max-width:24em;margin-top:14px}
.footer h4{font-size:0.8125rem;font-weight:600;letter-spacing:0.06em;text-transform:uppercase;color:var(--text-3);margin-bottom:16px}
.footer ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer ul a{font-size:0.9rem;color:var(--text-2);transition:color 0.2s ease}
.footer ul a:hover{color:#fff}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:0.85rem;color:var(--text-3);
}
.footer-bottom a{transition:color 0.2s ease}
.footer-bottom a:hover{color:var(--text-2)}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 24px}
  .footer-grid > div:first-child{grid-column:1 / -1}
  .footer .about{max-width:none;margin-top:10px}
}
@media (max-width:520px){
  .footer{padding:48px 0 32px}
  .footer-grid{gap:28px 20px}
  .footer h4{margin-bottom:12px}
  .footer-bottom{margin-top:40px;flex-direction:column;align-items:flex-start;gap:10px}
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  .browser{transform:none}
  .msg{opacity:1;transform:none}
  .d-bubble{opacity:1;transform:none}
}