/* ============================================================
   BSA CONSULTING — SHARED STYLESHEET
   One file, used by every page. Sections:
   1. Tokens  2. Base  3. Nav  4. Scene header (cinematic opener)
   5. Buttons/forms  6. Components  7. Footer  8. Reveal/motion
   9. Responsive
   ============================================================ */

/* ---------- 1. TOKENS ---------- */
:root{
  --ink:#14212E;
  --navy:#1B3A57;
  --navy-2:#12293F;
  --brand:#2F6690;
  --sky:#5FB4E5;
  --gold:#C9973F;
  --gold-ink:#7A5A1E;
  --paper:#F2F5F8;
  --paper-2:#E7ECF1;
  --line: rgba(20,33,46,0.14);
  --line-soft: rgba(20,33,46,0.08);
  --white:#FCFDFE;
}

/* ---------- 2. BASE ---------- */
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'IBM Plex Sans', sans-serif;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{
  font-family:'Fraunces', serif;
  font-weight:600;
  margin:0;
  letter-spacing:-0.01em;
}
.mono{font-family:'IBM Plex Mono', monospace;}
a{color:inherit;}
img{max-width:100%;display:block;}
.wrap{max-width:1140px;margin:0 auto;padding:0 28px;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}

.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--brand);
  display:flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width:8px;height:8px;
  background:var(--gold);
  clip-path:polygon(25% 0%,75% 0%,100% 50%,75% 100%,25% 100%,0% 50%);
  flex-shrink:0;
}
.eyebrow.on-dark{color:#9FCBE8;}
.hex{clip-path:polygon(25% 0%,75% 0%,100% 50%,75% 100%,25% 100%,0% 50%);}

section{padding:86px 0;}
.head-block{max-width:640px;margin-bottom:48px;}
.head-block h2{font-size:clamp(26px,3vw,36px);margin-top:14px;line-height:1.15;}

/* ---------- 3. NAV ---------- */
header.site{
  position:sticky;top:0;z-index:50;
  background:rgba(242,245,248,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.navrow{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;
}
.brandmark{display:flex;align-items:center;gap:12px;text-decoration:none;}
.brandmark img{width:38px;height:38px;object-fit:cover;border-radius:3px;}
.brand-text{line-height:1.15;}
.brand-text .name{font-family:'Fraunces',serif;font-weight:600;font-size:17px;}
.brand-text .sub{font-size:10.5px;color:var(--brand);letter-spacing:0.06em;text-transform:uppercase;}
nav.links{display:flex;gap:26px;font-size:14px;font-weight:500;}
nav.links a{text-decoration:none;color:var(--ink);opacity:0.72;transition:opacity .15s;position:relative;padding:4px 0;}
nav.links a:hover{opacity:1;}
nav.links a.active{opacity:1;}
nav.links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--gold);
}
.navright{display:flex;align-items:center;gap:16px;}
.langtoggle{
  display:flex;border:1px solid var(--line);border-radius:20px;overflow:hidden;font-size:12px;font-family:'IBM Plex Mono',monospace;
}
.langtoggle button{
  border:none;background:transparent;padding:6px 12px;color:var(--ink);opacity:0.55;
}
.langtoggle button.active{background:var(--navy);color:#fff;opacity:1;}
.navburger{display:none;border:none;background:transparent;width:32px;height:32px;position:relative;}
.navburger span, .navburger::before, .navburger::after{
  content:"";position:absolute;left:6px;right:6px;height:2px;background:var(--ink);transition:transform .2s, opacity .2s;
}
.navburger::before{top:10px;}
.navburger span{top:16px;}
.navburger::after{top:22px;}
.mobile-menu{display:none;}

/* ---------- 4. SCENE HEADER (cinematic opener, every inner page) ---------- */
.scene{
  min-height:74vh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  position:relative;
  overflow:hidden;
  color:#fff;
  background:linear-gradient(160deg, #4FA6DC 0%, #2F6690 42%, #1B3A57 78%, #12293F 100%);
  background-size:180% 180%;
  animation:driftBg 26s ease-in-out infinite;
}
@keyframes driftBg{
  0%{background-position:0% 0%;}
  50%{background-position:100% 40%;}
  100%{background-position:0% 0%;}
}
.scene::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size:26px 26px;
  opacity:0.5;pointer-events:none;
}
.scene-inner{position:relative;padding:80px 0 64px;}
.scene-index{
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:0.1em;color:#CFE7F6;opacity:0.85;margin-bottom:18px;
}
.scene h1{font-size:clamp(38px,6vw,74px);line-height:1.02;max-width:16ch;margin-bottom:20px;}
.scene p.lede{font-size:17px;line-height:1.6;color:#DCEBF4;max-width:52ch;margin:0;}
.scene-cta{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap;}
.scroll-cue{
  position:absolute;bottom:22px;left:50%;transform:translateX(-50%);
  width:22px;height:36px;border:1.5px solid rgba(255,255,255,0.5);border-radius:12px;
}
.scroll-cue::before{
  content:"";position:absolute;top:6px;left:50%;transform:translateX(-50%);
  width:3px;height:8px;background:#fff;border-radius:2px;
  animation:cueDrop 1.8s ease-in-out infinite;
}
@keyframes cueDrop{0%{opacity:1;top:6px;}70%{opacity:0;top:18px;}100%{opacity:0;top:6px;}}

/* home hero variant (taller, includes doc card) */
.hero{min-height:92vh;}
.hero-grid{display:grid;grid-template-columns:1.1fr 0.9fr;gap:48px;align-items:center;}
.doccard-wrap{display:flex;justify-content:center;}
.doccard{
  background:var(--white);color:var(--ink);width:320px;border-radius:6px;
  padding:22px 22px 26px;box-shadow:0 30px 60px rgba(7,20,32,0.45);
  transform:rotate(3.5deg);position:relative;border:1px solid var(--line-soft);
}
.doccard::before{content:"";position:absolute;top:-10px;left:22px;width:52px;height:14px;background:var(--paper-2);border-radius:2px;}
.doc-toprow{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px;}
.doc-label{font-size:10px;letter-spacing:0.1em;text-transform:uppercase;color:var(--brand);font-family:'IBM Plex Mono',monospace;}
.doc-num{font-family:'IBM Plex Mono',monospace;font-size:13px;font-weight:600;margin-top:4px;}
.stamp{
  width:64px;height:64px;border:2px solid var(--gold);color:var(--gold-ink);
  display:flex;align-items:center;justify-content:center;transform:rotate(-14deg);
  font-family:'IBM Plex Mono',monospace;font-size:9.5px;font-weight:700;text-align:center;line-height:1.2;flex-shrink:0;
}
.doc-row{display:flex;justify-content:space-between;font-size:12.5px;padding:9px 0;border-top:1px dashed var(--line);}
.doc-row .k{color:#6B7C89;}
.doc-row .v{font-weight:600;font-family:'IBM Plex Mono',monospace;}
.doc-foot{margin-top:14px;font-size:11.5px;color:var(--brand);font-weight:600;}

/* ---------- 5. BUTTONS / FORMS ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:3px;
  font-weight:600;font-size:14px;text-decoration:none;border:none;
  transition:transform .15s ease, box-shadow .15s ease;
}
.btn-primary{background:var(--gold);color:#241a08;}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(201,151,63,0.35);}
.btn-ghost{background:transparent;color:var(--white);border:1px solid rgba(255,255,255,0.4);}
.btn-ghost:hover{background:rgba(255,255,255,0.08);}
.btn-outline{background:transparent;color:var(--navy);border:1px solid var(--line);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);}

form.contact-form{display:grid;gap:14px;}
form.contact-form label{font-size:12px;text-transform:uppercase;letter-spacing:0.05em;color:#9FCBE8;margin-bottom:6px;display:block;}
form.contact-form input, form.contact-form select, form.contact-form textarea{
  width:100%;padding:11px 13px;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.2);
  border-radius:3px;color:#fff;font-family:inherit;font-size:14px;
}
form.contact-form input::placeholder, form.contact-form textarea::placeholder{color:rgba(255,255,255,0.35);}
.kvkk-note{font-size:11.5px;color:#8FA3B3;margin-top:6px;}
#formMsg{display:none;margin-top:10px;font-size:13px;color:var(--sky);}

/* light-bg form variant (used on Contact page body, not scene) */
.form-light input, .form-light select, .form-light textarea{
  background:var(--white);border:1px solid var(--line);color:var(--ink);
}
.form-light input::placeholder, .form-light textarea::placeholder{color:#93A2AE;}
.form-light label{color:var(--brand);}

/* ---------- 6. COMPONENTS ---------- */
.trust{background:var(--navy-2);color:#fff;padding:26px 0;}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.trust-item{text-align:center;padding:0 12px;border-left:1px solid rgba(255,255,255,0.15);}
.trust-item:first-child{border-left:none;}
.trust-num{font-family:'Fraunces',serif;font-size:30px;font-weight:600;color:var(--sky);}
.trust-label{font-size:11.5px;color:#B9CBD8;text-transform:uppercase;letter-spacing:0.05em;margin-top:4px;}

.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.svc-card{background:var(--white);border:1px solid var(--line);border-radius:6px;padding:26px 24px;transition:border-color .15s, transform .15s;}
.svc-card:hover{border-color:var(--brand);transform:translateY(-3px);}
.svc-icon{width:46px;height:46px;background:var(--paper-2);display:flex;align-items:center;justify-content:center;margin-bottom:18px;}
.svc-icon svg{width:22px;height:22px;stroke:var(--navy);fill:none;stroke-width:1.6;}
.svc-tag{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--brand);text-transform:uppercase;letter-spacing:0.05em;}
.svc-card h3{font-size:18px;margin:8px 0 8px;font-weight:600;}
.svc-card p{font-size:13.8px;line-height:1.55;color:#3F5164;margin:0;}
.svc-note{margin-top:28px;padding:16px 20px;border:1px dashed var(--line);border-radius:6px;font-size:13.5px;color:#3F5164;display:flex;gap:10px;align-items:flex-start;}

/* full detail rows, used on services.html */
.svc-detail{display:grid;grid-template-columns:0.55fr 1fr;gap:40px;padding:44px 0;border-top:1px solid var(--line);align-items:start;}
.svc-detail:last-child{border-bottom:1px solid var(--line);}
.svc-detail-num{font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--brand);margin-bottom:8px;}
.svc-detail h3{font-size:24px;margin-bottom:10px;}
.svc-detail .tagline{font-size:13.5px;color:var(--brand);font-weight:600;margin-bottom:14px;}
.svc-detail p{font-size:14.5px;line-height:1.65;color:#3F5164;margin:0 0 14px;}
.svc-detail ul{margin:0;padding-left:18px;font-size:14px;color:#3F5164;line-height:1.9;}

.process{background:var(--navy);color:#fff;}
.process .eyebrow{color:#9FCBE8;}
.process h2{color:#fff;}
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:52px;position:relative;}
.timeline::before{
  content:"";position:absolute;top:23px;left:8%;right:8%;height:1px;
  background-image:linear-gradient(to right, rgba(255,255,255,0.35) 50%, transparent 50%);background-size:10px 1px;
}
.tl-step{position:relative;}
.tl-num{
  width:46px;height:46px;background:var(--gold);color:#241a08;display:flex;align-items:center;justify-content:center;
  font-family:'IBM Plex Mono',monospace;font-weight:700;font-size:15px;margin-bottom:18px;position:relative;z-index:1;
}
.tl-step h3{font-size:15.5px;color:#fff;margin-bottom:6px;}
.tl-step p{font-size:12.8px;color:#B9CBD8;line-height:1.5;margin:0;}

.sector-pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px;}
.pill{padding:10px 18px;border:1px solid var(--line);border-radius:24px;font-size:13.5px;font-weight:500;background:var(--white);}

.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.case-card{background:var(--white);border:1px solid var(--line);border-radius:2px 8px 8px 8px;padding:28px 22px 24px;position:relative;}
.case-tab{
  position:absolute;top:-13px;left:0;background:var(--brand);color:#fff;font-family:'IBM Plex Mono',monospace;
  font-size:10px;letter-spacing:0.05em;padding:5px 12px;border-radius:2px 4px 0 0;text-transform:uppercase;
}
.case-val{font-family:'Fraunces',serif;font-size:26px;font-weight:600;color:var(--navy);margin:14px 0 8px;}
.case-card h3{font-size:15.5px;margin-bottom:8px;}
.case-card p{font-size:13.3px;color:#3F5164;line-height:1.55;margin:0;}

.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.testi-card{background:var(--white);border:1px solid var(--line);padding:24px;border-radius:6px;}
.testi-card p.q{font-size:14.3px;line-height:1.6;color:var(--ink);margin:0 0 18px;}
.testi-who{font-size:12.5px;color:#3F5164;border-top:1px solid var(--line-soft);padding-top:12px;}
.testi-who b{color:var(--ink);}

.cta-banner{background:linear-gradient(120deg,#D9A94A,#C9973F);color:#241a08;text-align:center;padding:64px 0;}
.cta-banner h2{color:#241a08;font-size:clamp(24px,3vw,32px);}
.cta-banner p{font-size:15px;margin:14px 0 26px;opacity:0.85;max-width:50ch;margin-left:auto;margin-right:auto;}
.cta-banner .btn-primary{background:#241a08;color:#fff;}
.cta-banner .btn-primary:hover{box-shadow:0 6px 16px rgba(36,26,8,0.3);}

details{border-bottom:1px solid var(--line);padding:18px 0;}
summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:15.5px;}
summary::-webkit-details-marker{display:none;}
summary::after{content:"+";font-family:'IBM Plex Mono',monospace;font-size:20px;color:var(--brand);flex-shrink:0;margin-left:16px;transition:transform .15s;}
details[open] summary::after{transform:rotate(45deg);}
details p{font-size:14px;line-height:1.6;color:#3F5164;margin:12px 0 0;max-width:70ch;}

.contact-panel{background:var(--navy-2);color:#fff;}
.contact-panel .head-block h2{color:#fff;}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.info-row{display:flex;gap:12px;margin-bottom:14px;font-size:14px;color:#DCEBF4;}
.info-row b{color:#fff;display:block;font-size:12px;text-transform:uppercase;letter-spacing:0.05em;color:#9FCBE8;margin-bottom:2px;}

/* team / about specific */
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.value-card{padding:26px 22px;border:1px solid var(--line);border-radius:6px;background:var(--white);}
.value-card .num{font-family:'IBM Plex Mono',monospace;color:var(--gold-ink);font-size:12px;margin-bottom:10px;}
.value-card h3{font-size:17px;margin-bottom:8px;}
.value-card p{font-size:13.6px;line-height:1.55;color:#3F5164;margin:0;}

.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.team-card{text-align:left;}
.team-photo{
  width:100%;aspect-ratio:1;background:linear-gradient(150deg,var(--sky),var(--navy));border-radius:6px;margin-bottom:14px;
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,0.65);font-family:'IBM Plex Mono',monospace;font-size:12px;
}
.team-card h3{font-size:16px;margin-bottom:2px;}
.team-card .role{font-size:12.5px;color:var(--brand);font-weight:600;margin-bottom:8px;}
.team-card p{font-size:13.3px;color:#3F5164;line-height:1.55;margin:0;}

/* home page teaser bands */
.teaser{padding:96px 0;border-top:1px solid var(--line);}
.teaser-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.teaser.reverse .teaser-grid{direction:rtl;}
.teaser.reverse .teaser-grid > *{direction:ltr;}
.teaser-index{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--gold-ink);margin-bottom:14px;}
.teaser h2{font-size:clamp(26px,3.4vw,40px);margin-bottom:16px;line-height:1.1;}
.teaser p{font-size:15px;line-height:1.65;color:#3F5164;max-width:46ch;margin:0 0 22px;}
.teaser-visual{
  aspect-ratio:4/3;border-radius:8px;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
}
.teaser-visual .hex{width:120px;height:120px;position:absolute;opacity:0.9;}
.teaser-visual span.tv-label{position:relative;z-index:2;font-family:'IBM Plex Mono',monospace;font-size:12px;color:#fff;letter-spacing:0.08em;text-transform:uppercase;}
.teaser-visual.tv-navy{background:linear-gradient(150deg,var(--navy),var(--navy-2));}
.teaser-visual.tv-sky{background:linear-gradient(150deg,var(--sky),var(--brand));}
.teaser-visual.tv-gold{background:linear-gradient(150deg,#E3B968,var(--gold-ink));}

/* ---------- 7. FOOTER ---------- */
footer{background:var(--ink);color:#B9CBD8;padding:44px 0 26px;font-size:13px;}
.footer-top{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-bottom:32px;}
.footer-brand{display:flex;gap:12px;align-items:center;max-width:320px;}
.footer-brand img{width:36px;height:36px;border-radius:3px;object-fit:cover;}
.footer-cols{display:flex;gap:56px;}
.footer-col a{display:block;text-decoration:none;color:#B9CBD8;opacity:0.85;margin-bottom:9px;font-size:13.3px;}
.footer-col a:hover{opacity:1;color:#fff;}
.footer-col h4{font-size:11.5px;text-transform:uppercase;letter-spacing:0.06em;color:#6B7C89;margin-bottom:12px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.08);padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12px;color:#6B7C89;}

/* ---------- 8. REVEAL / MOTION ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease, transform .7s ease;}
.reveal.is-visible{opacity:1;transform:translateY(0);}
.reveal-stagger > *{transition-delay:calc(var(--i, 0) * 90ms);}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{transition:none !important;animation:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- 9. RESPONSIVE ---------- */
@media(max-width:900px){
  .hero-grid, .teaser-grid, .contact-grid, .svc-detail{grid-template-columns:1fr;}
  .doccard-wrap{margin-top:28px;}
  .trust-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .trust-item{border-left:none;}
  .svc-grid,.case-grid,.testi-grid,.value-grid,.team-grid{grid-template-columns:1fr 1fr;}
  .timeline{grid-template-columns:1fr;gap:28px;}
  .timeline::before{display:none;}
  nav.links{display:none;}
  .navburger{display:block;}
  .mobile-menu.open{
    display:flex;flex-direction:column;gap:2px;background:var(--white);border-top:1px solid var(--line);
    padding:8px 0;
  }
  .mobile-menu.open a{padding:12px 28px;text-decoration:none;color:var(--ink);font-size:14.5px;font-weight:500;}
  .teaser.reverse .teaser-grid{direction:ltr;}
}
@media(max-width:600px){
  .svc-grid,.case-grid,.testi-grid,.value-grid,.team-grid{grid-template-columns:1fr;}
  .footer-top{flex-direction:column;}
  section{padding:64px 0;}
  .scene{min-height:66vh;}
}