/* ==========================================================================
   TechTBD Home — site styles
   Components (Button, Eyebrow, Badge, Stat) reproduced from the
   TechTBD Design System component specs as plain CSS.
   ========================================================================== */

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--surface-page);
  color:var(--color-text);
  font-family:var(--font-body);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;}
a{color:var(--color-link);text-decoration:none;}
a:hover{color:var(--color-link-hover);}

/* ---- Layout helpers ---- */
.container{max-width:var(--container-max);margin:0 auto;padding:0 var(--gutter);}
.section-pad{padding:72px var(--gutter) 88px;}

/* ---- Nav ---- */
.tbd-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border-subtle);
}
.tbd-header__inner{
  max-width:var(--container-max);margin:0 auto;padding:0 var(--gutter);
  height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.tbd-header__logo{display:flex;align-items:center;
  transition:transform var(--dur-base) var(--ease-standard);}
.tbd-header__logo:hover{transform:scale(1.06);}
.tbd-header__logo img{height:22px;width:auto;display:block;}
.tbd-nav{display:flex;align-items:center;gap:2px;}
.tbd-navlink{
  position:relative;
  color:var(--color-text-muted);font-family:var(--font-body);
  font-size:14px;font-weight:400;padding:8px 14px;border-radius:8px;transition:color 160ms;
}
.tbd-navlink::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:1px;
  background:var(--tbd-gradient-linear);
  transform:scaleX(0);transform-origin:left center;
  transition:transform 220ms var(--ease-standard);
}
.tbd-navlink:hover{color:var(--color-text);}
.tbd-navlink:hover::after,.tbd-navlink:focus-visible::after{transform:scaleX(1);}
.tbd-header__cta{display:flex;align-items:center;gap:10px;}
.tbd-nav-toggle{display:none;}

/* ---- Button (from Button.jsx) ---- */
.btn{
  font-family:var(--font-body);font-weight:700;line-height:1;
  letter-spacing:var(--ls-label);
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-pill);border:1px solid transparent;
  cursor:pointer;text-decoration:none;
  transition:background var(--dur-base) var(--ease-standard),
             color var(--dur-base) var(--ease-standard),
             border-color var(--dur-base) var(--ease-standard),
             transform var(--dur-fast) var(--ease-standard);
}
.btn:active{transform:scale(.97);}
.btn--sm{font-size:13px;padding:8px 16px;gap:6px;}
.btn--md{font-size:15px;padding:11px 22px;gap:8px;}
.btn--lg{font-size:17px;padding:15px 30px;gap:10px;}
.btn--primary{background:var(--color-accent);color:#fff;}
.btn--primary:hover{background:var(--color-accent-hover);color:#fff;}
.btn--outline{background:transparent;color:var(--tbd-charcoal);border-color:var(--border-strong);}
.btn--outline:hover{background:var(--tbd-n-100);border-color:var(--tbd-charcoal);}
/* outline on dark surfaces (hero / CTA "See the work") */
.btn--outline-inverse{
  background:transparent;color:#fff;border-color:rgba(255,255,255,.45);
}
.btn--outline-inverse:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ---- Eyebrow (from Eyebrow.jsx) ---- */
.eyebrow{
  font-family:var(--font-body);font-weight:600;text-transform:uppercase;
  letter-spacing:var(--ls-overline);font-size:13px;color:var(--color-accent);margin:0;
}
.eyebrow--inverse{color:var(--tbd-stone);}

/* ---- Badge (from Badge.jsx) ---- */
.badge{
  display:inline-flex;align-items:center;gap:6px;font-family:var(--font-body);
  font-weight:700;font-size:11px;letter-spacing:0.04em;text-transform:uppercase;
  padding:4px 10px;border-radius:var(--radius-pill);
}
.badge--brand{background:#e6eef6;color:var(--tbd-royal);}
.badge--neutral{background:var(--tbd-n-100);color:var(--tbd-n-700);}

/* ---- Stat (from Stat.jsx) ---- */
.stat__value{
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(40px,5vw,64px);line-height:1;letter-spacing:-0.02em;color:#fff;
}
.stat__value .stat__suffix{font-size:0.55em;}
.stat__label{
  font-family:var(--font-body);font-weight:400;font-size:14px;
  color:var(--tbd-stone);margin-top:8px;
}

/* ---- Headings & copy ---- */
.h1{font-family:var(--font-display);font-weight:700;letter-spacing:-0.02em;line-height:1.02;
    margin:22px 0 0;font-size:clamp(46px,6.2vw,86px);}
.h1,.h2,.h3,.cta h2{text-wrap:balance;}
.h2{font-family:var(--font-display);font-weight:700;letter-spacing:-0.02em;line-height:1.05;
    margin:16px 0 0;color:var(--color-heading);}
.h2--lg{font-size:clamp(32px,3.8vw,50px);}
.h2--md{font-size:clamp(30px,3.4vw,46px);}
.h3{font-family:var(--font-display);font-weight:700;letter-spacing:-0.02em;line-height:1.1;
    margin:16px 0 0;font-size:clamp(24px,2.6vw,34px);color:var(--color-heading);}
.lead{font-family:var(--font-body);font-weight:300;line-height:1.6;
      color:var(--color-text-muted);font-size:18px;margin:16px 0 0;}

/* ---- Check list ---- */
.checklist{list-style:none;padding:0;margin:30px 0 0;display:flex;flex-direction:column;gap:16px;}
.checklist li{display:flex;gap:14px;align-items:flex-start;font-family:var(--font-body);
              font-weight:400;font-size:16px;color:var(--color-text);}
.checklist--sm{margin:22px 0 0;gap:12px;}
.checklist--sm li{font-weight:300;font-size:15px;gap:12px;}
.check-icon{color:var(--tbd-electric);margin-top:1px;flex:none;display:inline-flex;}
.checklist strong{font-weight:700;}

/* ---- Image slots (on-brand grayscale placeholders; swap for real photos) ---- */
.img-slot{
  position:relative;overflow:hidden;
  background:var(--tbd-charcoal);
}
.img-slot__fill{
  position:absolute;inset:-13%;
  background-size:cover;background-position:center;
  will-change:transform;
}
/* Distinct grayscale "photo" placeholders built from brand-tinted gradients */
.ph-team{background:
  radial-gradient(120% 90% at 20% 15%, #55585a 0%, transparent 55%),
  radial-gradient(120% 90% at 85% 85%, #26282a 0%, transparent 60%),
  repeating-linear-gradient(115deg,#3d4042 0 22px,#343739 22px 44px),
  #303234;}
.ph-geometric{background:
  conic-gradient(from 210deg at 65% 35%, #5a5d5f, #2e3032, #4a4d4f, #232527, #5a5d5f),
  #2b2d2f;}
.ph-workspace{background:
  linear-gradient(135deg,#4c4f51 0%,#2c2e30 60%),
  radial-gradient(80% 60% at 75% 25%, rgba(255,255,255,.10), transparent 60%),
  #313335;}
.ph-mountains{background:
  linear-gradient(180deg,#4e5153 0%,#34363820 40%),
  linear-gradient(115deg,#2b2d2f 0%,#43464820 70%),
  #2d2f31;}

/* ---- Reveal / parallax base ---- */
[data-parallax]{will-change:transform;}

/* ==========================================================================
   Section-specific
   ========================================================================== */

/* Intro overlay */
#tbd-intro{
  position:fixed;inset:0;z-index:2000;background:var(--tbd-charcoal);
  display:flex;align-items:center;justify-content:center;padding:24px;
}
#tbd-intro-text{
  font-family:var(--font-body);font-weight:600;text-transform:uppercase;
  letter-spacing:0.22em;color:#fff;font-size:clamp(22px,3.6vw,44px);line-height:1.1;
  text-align:center;transform-origin:left top;will-change:transform,opacity;
}
#tbd-intro-text .tl{transition:color .55s ease;}

/* Hero */
.hero{position:relative;background:var(--tbd-charcoal);color:#fff;overflow:hidden;}
.hero__bg{position:absolute;inset:0;overflow:hidden;opacity:.26;}
.hero__bg .img-slot__fill{inset:-16% 0;filter:grayscale(1);}
.hero__scrim{position:absolute;inset:0;
  background:linear-gradient(90deg, rgba(33,31,32,.96) 0%, rgba(33,31,32,.72) 55%, rgba(33,31,32,.3) 100%);}
.hero__glow{position:absolute;width:420px;height:420px;border-radius:50%;
  background:var(--tbd-gradient);filter:blur(30px);opacity:.42;right:-120px;top:-140px;}
.hero__inner{position:relative;max-width:var(--container-max);margin:0 auto;padding:132px var(--gutter) 128px;}
.hero__col{max-width:820px;}
.hero .h1{color:#fff;}
.hero__lead{font-family:var(--font-body);font-weight:300;line-height:1.6;
  color:var(--tbd-n-300);font-size:21px;max-width:640px;margin:28px 0 0;}
.hero__actions{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap;}
.dot-cyan{color:var(--tbd-cyan);}

/* Positioning strip */
.strip{border-bottom:1px solid var(--border-subtle);background:var(--surface-page);}
.strip__inner{max-width:var(--container-max);margin:0 auto;padding:22px var(--gutter);
  display:flex;align-items:center;gap:28px;flex-wrap:wrap;}
.strip__row{display:flex;gap:28px;flex-wrap:wrap;align-items:center;}
.strip__item{font-family:var(--font-display);font-weight:700;font-size:15px;
  letter-spacing:-0.01em;color:var(--tbd-charcoal);}
.strip__item--muted{color:var(--tbd-n-500);}

/* Two-col media block */
.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(340px,100%),1fr));gap:64px;align-items:center;}
.split > *{min-width:0;}
.media{position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-lg);}
.media--43{aspect-ratio:4/3;}
.media--54{aspect-ratio:5/4;}

/* Methodology */
.method{background:var(--surface-sunken);border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle);}
.method__intro{max-width:680px;}
.steps-card{margin-top:48px;background:var(--surface-raised);border:1px solid var(--border-subtle);
  border-radius:16px;padding:34px 32px;box-shadow:var(--shadow-xs);}
.steps-row{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;}
.step{display:flex;flex-direction:column;align-items:center;gap:9px;flex:1 1 84px;min-width:84px;text-align:center;
  transition:transform var(--dur-base) var(--ease-standard);}
.step:hover{transform:scale(1.06);}
.step__num{font-family:var(--font-display);font-weight:700;font-size:23px;line-height:1;letter-spacing:-0.02em;
  background:var(--tbd-gradient-linear);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.step__label{font-family:var(--font-body);font-weight:600;font-size:12px;letter-spacing:0.02em;color:var(--color-text);}
.steps-bar{height:3px;border-radius:2px;background:var(--tbd-gradient-linear);margin-top:26px;opacity:.9;}
.steps-note{font-family:var(--font-body);font-weight:400;font-size:15px;color:var(--color-text-muted);margin:14px 0 0;text-align:center;}
.impacts{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-top:20px;}
.impact-card{background:var(--surface-raised);border:1px solid var(--border-subtle);border-radius:12px;
  padding:26px 24px;box-shadow:var(--shadow-xs);display:flex;flex-direction:column;gap:10px;}
.impact-card h3{font-family:var(--font-display);font-weight:700;font-size:19px;margin:0;color:var(--color-heading);letter-spacing:-0.01em;}
.impact-card p{font-family:var(--font-body);font-weight:300;font-size:14px;line-height:1.55;color:var(--color-text-muted);margin:0;}

/* Work / case studies */
.case{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(320px,100%),1fr));gap:56px;align-items:center;}
.case > *{min-width:0;}
.case--flip .case__media{order:2;}
.case__intro{max-width:680px;}
.metric-chip{position:absolute;left:22px;bottom:22px;background:rgba(255,255,255,.94);
  border-radius:12px;padding:16px 20px;box-shadow:var(--shadow-md);}
.metric-chip__value{font-family:var(--font-display);font-weight:700;font-size:30px;line-height:1;letter-spacing:-0.02em;
  background:var(--tbd-gradient-linear);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.metric-chip__label{font-family:var(--font-body);font-weight:600;text-transform:uppercase;letter-spacing:0.14em;
  font-size:10px;color:var(--color-text-subtle);margin-top:6px;}
.badges{display:flex;gap:8px;flex-wrap:wrap;}
.case__copy{font-family:var(--font-body);font-weight:300;line-height:1.6;color:var(--color-text-muted);font-size:16px;margin:16px 0 0;}

/* Proof band */
.proof{position:relative;overflow:hidden;background:var(--tbd-royal);
  background-image:var(--tbd-gradient-linear);color:#fff;margin-top:64px;}
.proof__bg{position:absolute;inset:0;overflow:hidden;opacity:.16;}
.proof__bg .img-slot__fill{inset:-18% 0;filter:grayscale(1);}
.proof__inner{position:relative;max-width:var(--container-max);margin:0 auto;padding:84px var(--gutter);}
.proof__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:32px;}

/* Testimonials */
.quotes{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(320px,100%),1fr));gap:28px;margin-top:36px;}
.quote{margin:0;border-radius:16px;padding:38px 36px;box-shadow:var(--shadow-md);display:flex;flex-direction:column;gap:20px;}
.quote--light{background:var(--surface-raised);border:1px solid var(--border-subtle);}
.quote--dark{background:var(--tbd-charcoal);color:#fff;}
.quote__mark{font-family:var(--font-display);font-weight:700;font-size:52px;line-height:.6;height:26px;}
.quote--light .quote__mark{color:var(--tbd-stone);}
.quote--dark .quote__mark{color:var(--tbd-cyan);}
.quote blockquote{margin:0;font-family:var(--font-display);font-weight:400;font-size:22px;line-height:1.4;letter-spacing:-0.01em;color:var(--color-heading);}
.quote--dark blockquote{color:#fff;}
.quote figcaption{font-family:var(--font-body);font-size:14px;color:var(--color-text-muted);margin-top:auto;}
.quote figcaption strong{font-weight:700;color:var(--color-text);}
.quote--dark figcaption{color:var(--tbd-n-300);}
.quote--dark figcaption strong{color:#fff;}

/* About */
.about{background:var(--surface-sunken);border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle);}
.about__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(320px,100%),1fr));gap:64px;align-items:center;}
.values{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;}
.value{display:flex;flex-direction:column;gap:8px;}
.value h4{font-family:var(--font-display);font-weight:700;font-size:17px;margin:0;color:var(--color-heading);}
.value p{font-family:var(--font-body);font-weight:300;font-size:15px;line-height:1.55;color:var(--color-text-muted);margin:0;}

/* Leadership */
.team{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(400px,100%),1fr));gap:40px;margin-top:52px;}
.leader{display:grid;grid-template-columns:200px 1fr;gap:26px;align-items:center;}
.leader__photo{position:relative;width:100%;aspect-ratio:4/5;border-radius:16px;overflow:hidden;
  background:var(--surface-muted);box-shadow:var(--shadow-lg);}
.leader__photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.leader__role{font-family:var(--font-body);font-weight:600;text-transform:uppercase;letter-spacing:0.12em;
  font-size:12px;color:var(--tbd-electric);margin:9px 0 0;}
.leader__bio{font-family:var(--font-body);font-weight:300;font-size:15px;line-height:1.6;color:var(--color-text-muted);margin:13px 0 0;}
.leader h3{font-family:var(--font-display);font-weight:700;font-size:23px;margin:0;color:var(--color-heading);letter-spacing:-0.01em;}

/* Booking CTA */
.cta{background:var(--tbd-charcoal);border-radius:24px;padding:76px 56px;text-align:center;color:#fff;position:relative;overflow:hidden;}
.cta__glow-a{position:absolute;width:320px;height:320px;border-radius:50%;background:var(--tbd-gradient);filter:blur(28px);opacity:.5;right:-90px;top:-100px;}
.cta__glow-b{position:absolute;width:220px;height:220px;border-radius:50%;background:var(--tbd-gradient);filter:blur(28px);opacity:.3;left:-70px;bottom:-90px;}
.cta__inner{position:relative;}
.cta h2{font-family:var(--font-display);font-weight:700;letter-spacing:-0.02em;line-height:1.04;
  margin:18px auto 0;max-width:760px;font-size:clamp(30px,4vw,52px);color:#fff;}
.cta__lead{font-family:var(--font-body);font-weight:300;line-height:1.6;color:var(--tbd-n-300);font-size:18px;margin:20px auto 0;max-width:560px;}

/* Footer */
.footer{background:var(--tbd-charcoal);color:#fff;}
.footer__top{max-width:var(--container-max);margin:0 auto;padding:64px var(--gutter) 48px;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:40px;align-items:start;}
.footer__brand{display:flex;flex-direction:column;gap:16px;max-width:300px;}
.footer__brand img{height:24px;width:auto;display:block;align-self:flex-start;flex:none;}
.footer__brand p{font-family:var(--font-body);font-weight:300;font-size:14px;line-height:1.6;color:var(--tbd-n-400);margin:0;}
.footer__col{display:flex;flex-direction:column;gap:10px;}
.footer__head{font-family:var(--font-body);font-weight:600;text-transform:uppercase;letter-spacing:0.2em;
  font-size:11px;color:var(--tbd-n-500);margin-bottom:4px;}
.footer__col a{font-family:var(--font-body);font-size:14px;color:var(--tbd-n-300);}
.footer__col a:hover{color:#fff;}
.footer__bar{border-top:1px solid rgba(255,255,255,.1);}
.footer__bar-inner{max-width:var(--container-max);margin:0 auto;padding:20px var(--gutter);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;}
.footer__bar span{font-family:var(--font-body);font-size:12px;color:var(--tbd-n-500);}

/* Reveal animation */
[data-reveal]{opacity:0;transform:translateY(28px);
  transition:opacity .8s var(--ease-out), transform .8s var(--ease-out);will-change:opacity,transform;}
[data-reveal].is-visible{opacity:1;transform:none;}

/* ---- Hover pop (micro-interactions; factor scales down as elements get bigger) ---- */
.btn:hover{transform:scale(1.03);}
.btn:active{transform:scale(.97);}
.strip__item{display:inline-block;transition:transform var(--dur-base) var(--ease-standard);}
.strip__item:hover{transform:scale(1.06);}
.stat{transition:transform var(--dur-base) var(--ease-standard);}
.stat:hover{transform:scale(1.05);}
.metric-chip{transition:transform var(--dur-base) var(--ease-standard);}
.metric-chip:hover{transform:scale(1.05);}
.impact-card,.value{transition:transform var(--dur-base) var(--ease-standard);}
.impact-card:hover,.value:hover{transform:scale(1.03);}
.quote{transition:transform var(--dur-base) var(--ease-standard);}
.quote:hover{transform:scale(1.02);}
.leader__photo img{transition:transform .5s var(--ease-standard);}
.leader:hover .leader__photo img{transform:scale(1.05);}

/* ---- Responsive ---- */
@media (max-width:820px){
  .tbd-nav{
    position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(255,255,255,.98);backdrop-filter:blur(12px);
    border-bottom:1px solid var(--border-subtle);padding:8px var(--gutter) 16px;
    transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;
  }
  .tbd-nav.is-open{transform:none;opacity:1;pointer-events:auto;}
  .tbd-navlink{padding:12px 4px;font-size:16px;}
  .tbd-navlink::after{display:none;}
  .tbd-nav-toggle{display:inline-flex;align-items:center;justify-content:center;
    width:40px;height:40px;border:1px solid var(--border-subtle);border-radius:8px;
    background:transparent;cursor:pointer;color:var(--tbd-charcoal);}
  .hero__inner{padding:96px var(--gutter) 92px;}
  .section-pad{padding:52px var(--gutter) 64px;}
  .leader{grid-template-columns:120px 1fr;gap:18px;}
  /* On mobile the hamburger + hero CTA cover booking; hide the crowded header CTA. */
  .tbd-header__cta .btn{display:none;}
}
@media (max-width:520px){
  .leader{grid-template-columns:1fr;}
  .cta{padding:56px 28px;}
  .footer__bar-inner{justify-content:flex-start;}
}

/* Reduced motion */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  [data-reveal]{opacity:1;transform:none;transition:none;}
  [data-parallax]{transform:none !important;}
  .btn:hover,.step:hover,.tbd-header__logo:hover,.strip__item:hover,.stat:hover,
  .metric-chip:hover,.impact-card:hover,.value:hover,.quote:hover,
  .leader:hover .leader__photo img{transform:none;}
}