/* ============================================================
   IMTIAZ RAHMAN — inner pages (About / Services / AI Lab / Case
   Studies / Contact). Extends styles.css tokens & components.
   ============================================================ */

/* ---------- Mobile nav toggle (added for multi-page nav) ---------- */
.nav__toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid rgba(242,237,227,.3);
  border-radius:10px;
  background:transparent;
  color:var(--cream);
  align-items:center;justify-content:center;
  cursor:pointer;
}
.nav__toggle span,.nav__toggle span::before,.nav__toggle span::after{
  content:"";display:block;width:18px;height:2px;background:var(--cream);position:relative;transition:transform .25s,opacity .25s;
}
.nav__toggle span::before{position:absolute;top:-6px}
.nav__toggle span::after{position:absolute;top:6px}
.nav.is-open .nav__toggle span{background:transparent}
.nav.is-open .nav__toggle span::before{transform:translateY(6px) rotate(45deg)}
.nav.is-open .nav__toggle span::after{transform:translateY(-6px) rotate(-45deg)}

@media (max-width:900px){
  .nav__toggle{display:flex}
  .nav__links{
    display:flex;position:fixed;inset:var(--nav-h) 0 0 0;
    flex-direction:column;gap:0;padding:8px clamp(20px,7vw,48px) 32px;
    background:var(--ink);
    transform:translateY(-8px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .3s var(--ease-out),transform .3s var(--ease-out),visibility .3s;
  }
  .nav.is-open .nav__links{opacity:1;transform:none;visibility:visible;pointer-events:auto}
  .nav__links a{padding:16px 0;border-bottom:1px solid rgba(242,237,227,.08);font-size:15px}
  .nav__cta{display:none}
  .nav.is-open .nav__cta{
    display:block;position:fixed;left:clamp(20px,7vw,48px);right:clamp(20px,7vw,48px);
    bottom:24px;text-align:center;z-index:51;
  }
}

/* ---------- Page hero (static, non-canvas) ---------- */
.page-hero{
  position:relative;
  padding:clamp(108px,8.5vw,132px) clamp(20px,7vw,110px) clamp(60px,8vw,90px);
  overflow:hidden;
}
.page-hero__crumb{
  font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);
  margin-bottom:18px;display:flex;gap:8px;align-items:center;
}
.page-hero__crumb a{color:var(--muted);transition:color .3s}
.page-hero__crumb a:hover{color:var(--emerald)}
.page-hero__title{
  font-family:var(--display);
  font-size:clamp(40px,7vw,92px);
  line-height:.98;text-transform:uppercase;letter-spacing:.01em;
  max-width:16ch;
}
.page-hero__title .accent{color:transparent;-webkit-text-stroke:2px var(--emerald)}
.page-hero__sub{
  margin-top:22px;max-width:56ch;font-size:clamp(16px,1.6vw,19px);color:var(--cream);opacity:.82;
}
.page-hero__glow{
  position:absolute;top:-20%;right:-10%;width:60vw;height:60vw;max-width:640px;max-height:640px;
  background:radial-gradient(circle,var(--emerald),transparent 68%);opacity:.14;filter:blur(40px);pointer-events:none;
}

/* ---------- Split hero (text left, animated loop right) ---------- */
.page-hero--split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
@media (max-width:1000px){.page-hero--split{grid-template-columns:1fr}.hero-loop{margin-top:20px}}

.hero-loop{position:relative}
.hero-loop__svg{width:100%;height:auto;overflow:visible}
.hero-loop__track{
  fill:none;stroke:rgba(242,237,227,.16);stroke-width:1.5;stroke-dasharray:2 8;stroke-linecap:round;
}
.hero-loop__dot{fill:var(--emerald);filter:drop-shadow(0 0 8px var(--emerald))}
.hero-loop__node circle:first-child{
  fill:rgba(6,9,7,.9);stroke:rgba(242,237,227,.2);stroke-width:1.5;
  animation:nodePulse 4s ease-in-out infinite;
}
.hero-loop__node{transform-box:fill-box}
.hero-loop__icon,.hero-loop__icon-ring{
  stroke:var(--emerald);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;fill:var(--emerald);
}
.hero-loop__label{
  fill:var(--muted);font-family:var(--body);font-size:11px;letter-spacing:.12em;text-transform:uppercase;text-anchor:middle;
}
@keyframes nodePulse{
  0%,100%{stroke:rgba(242,237,227,.2)}
  50%{stroke:var(--emerald)}
}
@media (prefers-reduced-motion:reduce){
  .hero-loop__dot{display:none}
  .hero-loop__node circle:first-child{animation:none}
}

/* ---------- Generic content section rhythm ---------- */
.section{
  position:relative;
  padding:clamp(60px,8vw,110px) clamp(20px,7vw,110px);
}
.section--tight{padding-top:0}
.section__title{
  font-family:var(--body);
  font-weight:700;
  font-size:clamp(28px,3.6vw,46px);
  text-transform:uppercase;line-height:1.15;letter-spacing:.005em;
  margin-bottom:18px;max-width:20ch;
}
.section__lede{max-width:64ch;color:var(--cream);opacity:.82;font-size:clamp(15px,1.3vw,17px);margin-bottom:clamp(40px,5vw,64px)}
.section--alt{background:var(--ink-2)}

/* ---------- Generic grid ---------- */
.grid{display:grid;gap:clamp(18px,2.4vw,28px)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
@media (max-width:900px){.grid--2,.grid--3{grid-template-columns:1fr}}

/* ---------- Panel card (services, AI lab, about) ---------- */
.panel{
  position:relative;
  border:1px solid rgba(242,237,227,.14);
  border-radius:18px;
  padding:clamp(26px,3vw,38px);
  background:rgba(242,237,227,.02);
  transition:border-color .35s,transform .35s,box-shadow .35s;
}
.panel:hover{border-color:var(--emerald);transform:translateY(-4px);box-shadow:0 24px 60px -24px rgba(31,221,139,.2)}
.lab-shot{width:100%;height:auto;border-radius:12px;border:1px solid rgba(242,237,227,.14);background:#0b0f0c;margin-bottom:22px;display:block}
.panel__eyebrow{font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--emerald);margin-bottom:14px;display:block}
.panel__title{font-family:var(--body);font-weight:700;font-size:clamp(20px,2.2vw,26px);text-transform:uppercase;letter-spacing:.01em;line-height:1.2;margin-bottom:14px}
.panel__body{color:var(--cream);opacity:.85;margin-bottom:18px}
.panel__list{list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
.panel__list li{position:relative;padding-left:22px;color:var(--cream);opacity:.9;font-size:14.5px}
.panel__list li::before{content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:2px;background:var(--emerald)}
.panel__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.tag{
  font-size:12px;letter-spacing:.04em;color:var(--muted);
  border:1px solid rgba(242,237,227,.18);border-radius:999px;padding:5px 12px;
}

/* ---------- Service block (image/copy split) ---------- */
.svc{
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,70px);align-items:start;
  padding:clamp(50px,7vw,90px) 0;border-bottom:1px solid rgba(242,237,227,.1);
}
.svc:last-of-type{border-bottom:none}
.svc__num{font-family:var(--body);font-weight:700;font-size:13px;letter-spacing:.22em;color:var(--emerald);text-transform:uppercase;margin-bottom:16px;display:block}
.svc__title{font-family:var(--body);font-weight:700;font-size:clamp(26px,3.2vw,38px);text-transform:uppercase;letter-spacing:.005em;line-height:1.15;margin-bottom:18px}
.svc__body{color:var(--cream);opacity:.85;margin-bottom:22px;max-width:52ch}
@media (max-width:900px){.svc{grid-template-columns:1fr}}

/* ---------- About: journey / timeline (reuses .step visuals) ---------- */
.journey{position:relative;padding-left:32px;border-left:1px solid rgba(242,237,227,.16)}
.journey__item{position:relative;padding-bottom:clamp(34px,4vw,50px)}
.journey__item:last-child{padding-bottom:0}
.journey__item::before{
  content:"";position:absolute;left:-37px;top:4px;width:11px;height:11px;border-radius:50%;
  background:var(--ink);border:2px solid var(--emerald);
}
.journey__period{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:8px;display:block}
.journey__title{font-family:var(--body);font-weight:700;font-size:clamp(18px,1.9vw,22px);text-transform:uppercase;letter-spacing:.01em;line-height:1.25;margin-bottom:8px}
.journey__body{color:var(--cream);opacity:.85;max-width:60ch}

/* ---------- Mini stat row (reuse of .stats look, smaller) ---------- */
.mini-stats{display:flex;flex-wrap:wrap;gap:clamp(28px,4vw,56px);border-top:1px solid rgba(242,237,227,.1);padding-top:32px;margin-top:40px}
.mini-stat__num{font-family:var(--display);font-size:clamp(30px,3.2vw,44px);color:var(--cream)}
.mini-stat__label{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:4px}

/* ---------- Case studies: filter tabs ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:clamp(30px,4vw,48px)}
.filter-btn{
  font-size:13px;letter-spacing:.06em;color:var(--muted);
  border:1px solid rgba(242,237,227,.18);border-radius:999px;padding:9px 18px;
  background:transparent;cursor:pointer;transition:all .3s;
}
.filter-btn:hover{color:var(--cream);border-color:rgba(242,237,227,.4)}
.filter-btn.is-active{background:var(--emerald);color:var(--ink);border-color:var(--emerald);font-weight:700}

/* ---------- Case group ---------- */
.case-group{margin-bottom:clamp(56px,7vw,90px)}
.case-group__head{margin-bottom:22px;max-width:70ch}
.case-group__title{font-family:var(--body);font-weight:700;font-size:clamp(20px,2.3vw,28px);text-transform:uppercase;letter-spacing:.01em;line-height:1.2;margin-bottom:10px}
.case-group__body{color:var(--cream);opacity:.82;font-size:14.5px}

.case-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media (max-width:1100px){.case-gallery{grid-template-columns:repeat(3,1fr)}}
@media (max-width:760px){.case-gallery{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.case-gallery{grid-template-columns:1fr}}

.case-item{
  position:relative;border-radius:12px;overflow:hidden;cursor:zoom-in;
  border:1px solid rgba(242,237,227,.12);background:var(--ink-2);
  aspect-ratio:4/3;
}
.case-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease-out)}
.case-item:hover img{transform:scale(1.06)}
.case-item::after{
  content:"View";position:absolute;inset:auto 0 0 0;padding:8px 10px;
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--cream);
  background:linear-gradient(to top,rgba(6,9,7,.85),transparent);
  opacity:0;transition:opacity .3s;
}
.case-item:hover::after{opacity:1}

/* ---------- Lightbox ---------- */
.lightbox{
  position:fixed;inset:0;z-index:80;display:flex;align-items:center;justify-content:center;
  background:rgba(6,9,7,.94);opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .3s,visibility .3s;padding:40px 20px;
}
.lightbox.is-open{opacity:1;visibility:visible;pointer-events:auto}
.lightbox img{max-width:min(1100px,92vw);max-height:86vh;border-radius:10px;border:1px solid rgba(242,237,227,.15)}
.lightbox__close{
  position:absolute;top:20px;right:clamp(20px,4vw,48px);
  width:44px;height:44px;border-radius:50%;border:1px solid rgba(242,237,227,.3);
  background:transparent;color:var(--cream);font-size:20px;cursor:pointer;
}
.lightbox__close:hover{border-color:var(--emerald);color:var(--emerald)}

/* ---------- Contact page ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(40px,5vw,80px)}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
.form{display:flex;flex-direction:column;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.field input,.field textarea,.field select{
  background:rgba(242,237,227,.04);border:1px solid rgba(242,237,227,.18);border-radius:10px;
  padding:14px 16px;color:var(--cream);font-family:var(--body);font-size:15px;
  transition:border-color .3s,background .3s;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--emerald);background:rgba(242,237,227,.06)}
.field select{cursor:pointer}
.field select option{background:#0d1310;color:var(--cream);padding:10px}
.field textarea{resize:vertical;min-height:140px}
.form__note{font-size:12.5px;color:var(--muted);margin-top:4px}

.contact-side{display:flex;flex-direction:column;gap:22px}
.contact-side .contact__item{
  border:1px solid rgba(242,237,227,.12);border-radius:14px;padding:20px 22px;
  display:flex;flex-direction:column;gap:6px;align-items:flex-start;
}
.avail{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;color:var(--emerald);
  border:1px solid rgba(31,221,139,.35);border-radius:999px;padding:8px 16px;width:fit-content;
}
.avail__dot{width:7px;height:7px;border-radius:50%;background:var(--emerald);box-shadow:0 0 10px var(--emerald)}

/* ---------- Small CTA banner (per-page, lighter than .finale) ---------- */
.cta-band{
  text-align:center;padding:clamp(60px,8vw,100px) clamp(20px,7vw,110px);
  border-top:1px solid rgba(242,237,227,.1);
}
.cta-band__title{font-family:var(--display);font-weight:400;font-size:clamp(24px,3vw,36px);text-transform:uppercase;letter-spacing:.005em;line-height:1.15;margin-bottom:18px}
.cta-band__actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ---------- Floating WhatsApp button ---------- */
.whatsapp-float{
  position:fixed;right:22px;bottom:22px;z-index:60;
  width:56px;height:56px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px rgba(0,0,0,.35);
  transition:transform .25s;
}
.whatsapp-float:hover{transform:scale(1.08)}
.whatsapp-float svg{width:28px;height:28px}
.whatsapp-float::before{
  content:"";position:absolute;inset:0;border-radius:50%;background:#25D366;
  animation:waPulse 2.4s ease-out infinite;z-index:-1;
}
@keyframes waPulse{
  0%{transform:scale(1);opacity:.55}
  100%{transform:scale(1.9);opacity:0}
}
@media (prefers-reduced-motion:reduce){.whatsapp-float::before{animation:none}}
@media (max-width:560px){.whatsapp-float{right:16px;bottom:16px;width:50px;height:50px}.whatsapp-float svg{width:25px;height:25px}}
.eyebrow{font-size:12px;letter-spacing:.3em;text-transform:uppercase;color:var(--emerald);margin-bottom:20px;display:block}
.flex-end{display:flex;flex-direction:column}