/* ============================================================
   Baka Solutions — Design System
   Direction: monochrome, flat, tight type, pill controls.
   Gold is the single accent color — used the way Tesla uses red:
   rarely, and only where it means something (numbers, active state).
   ============================================================ */

:root{
  --black:#171a20;        /* near-black, not pure — easier on the eyes at scale */
  --black-100:#2b2d33;    /* hover state for black surfaces */
  --white:#ffffff;
  --grey-50:#f4f4f4;      /* section alternate background */
  --grey-200:#e4e4e4;     /* hairlines only — never a boxed border */
  --grey-400:#a3a3a6;     /* muted text on dark */
  --grey-600:#5c5e62;     /* body text on light */
  --gold:#d4a017;
  --gold-dark:#b8860b;
  --green:#1a5f3c;

  --font:'Inter',-apple-system,'Helvetica Neue',Arial,sans-serif;

  /* Aliases for the old token names still referenced in a few inline styles */
  --slate-200:var(--grey-200);
  --slate-500:var(--grey-600);
  --slate-600:var(--grey-600);
}

*{margin:0;padding:0;box-sizing:border-box;font-family:var(--font);}

html{scroll-behavior:smooth;}

body{
  background:var(--white);
  color:var(--black);
  line-height:1.6;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}

a{color:inherit;}

/* Accessible focus + reduced motion */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:3px;
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:0.001ms !important;transition-duration:0.001ms !important;scroll-behavior:auto !important;}
}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:2000;
  background:var(--gold);color:var(--black);padding:12px 22px;
  font-weight:700;text-decoration:none;
}
.skip-link:focus{left:0;}

/* ===== NAV — transparent over the hero, solidifies on scroll ===== */
.nav{
  position:fixed;
  top:0;left:0;width:100%;
  background:transparent;
  padding:0;
  z-index:1000;
  transition:background 0.35s ease, box-shadow 0.35s ease;
}
.nav.scrolled{
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(14px);
  box-shadow:0 1px 0 var(--grey-200);
}
.nav-container{
  max-width:1280px;
  margin:0 auto;
  padding:0 32px;
  height:64px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  position:relative;
}
.nav-logo{
  color:var(--white);
  font-weight:700;
  font-size:0.98rem;
  letter-spacing:0.06em;
  transition:color 0.35s ease;
}
.nav.scrolled .nav-logo{color:var(--black);}
.nav-logo span{font-weight:300;letter-spacing:0.06em;}

.nav-links{
  display:flex;
  gap:36px;
  list-style:none;
  position:absolute;
  left:50%;
  transform:translateX(-50%);
}
.nav-links a{
  color:rgba(255,255,255,0.82);
  text-decoration:none;
  font-size:0.86rem;
  font-weight:500;
  letter-spacing:0.01em;
  transition:color 0.2s;
}
.nav.scrolled .nav-links a{color:var(--grey-600);}
.nav-links a:hover{color:var(--white);}
.nav.scrolled .nav-links a:hover{color:var(--black);}
.nav-links a.active{color:var(--gold);}

.nav-cta{
  background:var(--white);
  color:var(--black) !important;
  padding:9px 22px;
  border-radius:980px;
  font-weight:600;
  font-size:0.82rem;
  text-decoration:none;
  transition:background 0.2s, color 0.2s;
}
.nav-cta:hover{background:var(--gold);}
.nav.scrolled .nav-cta{background:var(--black);color:var(--white) !important;}
.nav.scrolled .nav-cta:hover{background:var(--gold);color:var(--black) !important;}

.mobile-menu-btn{
  display:none;
  background:none;
  border:none;
  color:var(--white);
  font-size:1.4rem;
  cursor:pointer;
  line-height:1;
  padding:6px;
  transition:color 0.35s ease;
}
.nav.scrolled .mobile-menu-btn{color:var(--black);}

@media (max-width:860px){
  .nav-links{
    display:none;
    position:absolute;
    top:64px;left:0;right:0;
    transform:none;
    background:rgba(23,26,32,0.98);
    flex-direction:column;
    gap:22px;
    padding:28px 32px;
  }
  .nav-links.open{display:flex;}
  .nav-links a{color:rgba(255,255,255,0.85);}
  .mobile-menu-btn{display:block;}
  .nav-cta{display:none;}
}

/* ===== HERO — full monochrome panel with a solar-grid signature motif ===== */
.hero{
  position:relative;
  min-height:92vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding-top:64px;
  background:var(--black);
  color:var(--white);
  overflow:hidden;
  text-align:center;
}
/* Signature motif: faint radiating grid lines, evoking a solar panel array */
.hero-overlay{
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    repeating-linear-gradient(90deg, rgba(255,255,255,0.05) 0px, rgba(255,255,255,0.05) 1px, transparent 1px, transparent 64px),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.05) 0px, rgba(255,255,255,0.05) 1px, transparent 1px, transparent 64px);
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 40%, black 0%, transparent 75%);
  mask-image:radial-gradient(ellipse 70% 60% at 50% 40%, black 0%, transparent 75%);
}
.hero-content{
  position:relative;
  z-index:1;
  padding:60px 32px;
  max-width:820px;
  margin:0 auto;
}
.hero-tagline{
  color:var(--gold);
  font-weight:600;
  letter-spacing:0.16em;
  text-transform:uppercase;
  font-size:0.78rem;
  margin-bottom:20px;
}
.hero-content h1{
  font-size:clamp(2.6rem, 6vw, 4.6rem);
  font-weight:700;
  line-height:1.04;
  margin-bottom:20px;
  letter-spacing:-0.035em;
}
.hero-content p{
  color:var(--grey-400);
  font-size:1.1rem;
  font-weight:300;
  line-height:1.7;
  max-width:600px;
  margin:0 auto;
}
.hero-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  justify-content:center;
  margin-top:36px;
}

/* ===== BUTTONS — flat pills, no gradients, no lift ===== */
.btn-primary{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 30px;
  background:var(--white);
  color:var(--black);
  font-weight:600;
  text-decoration:none;
  border-radius:980px;
  border:none;
  cursor:pointer;
  font-size:0.92rem;
  transition:background 0.2s, color 0.2s;
}
.btn-primary:hover{background:var(--gold);}

.btn-secondary{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 30px;
  border:1px solid rgba(255,255,255,0.4);
  background:transparent;
  color:var(--white);
  text-decoration:none;
  border-radius:980px;
  font-weight:600;
  font-size:0.92rem;
  transition:all 0.2s;
}
.btn-secondary:hover{border-color:var(--white);background:rgba(255,255,255,0.08);}

.btn-whatsapp{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 30px;
  background:#1c8a4a;
  color:var(--white);
  text-decoration:none;
  border-radius:980px;
  font-weight:600;
  font-size:0.92rem;
  transition:background 0.2s;
}
.btn-whatsapp:hover{background:#166b39;}

.btn-outline{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:10px 22px;
  border:1px solid var(--grey-200);
  background:transparent;
  color:var(--black);
  text-decoration:none;
  border-radius:980px;
  font-weight:600;
  font-size:0.85rem;
  transition:all 0.2s;
}
.btn-outline:hover{border-color:var(--black);}

/* On dark backgrounds, .card sits on white/grey — buttons inside stay dark-styled by default */

/* ===== LAYOUT ===== */
.container{max-width:1160px;margin:0 auto;padding:0 32px;}
.text-center{text-align:center;}

.section{padding:110px 0;}
.section-padding{padding:90px 32px;}

.page-hero{
  padding:170px 32px 90px;
  background:var(--black);
  color:var(--white);
  text-align:center;
  position:relative;
  overflow:hidden;
}
.page-hero::before{
  content:'';
  position:absolute;inset:0;
  background-image:
    repeating-linear-gradient(90deg, rgba(255,255,255,0.05) 0px, rgba(255,255,255,0.05) 1px, transparent 1px, transparent 64px),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.05) 0px, rgba(255,255,255,0.05) 1px, transparent 1px, transparent 64px);
  -webkit-mask-image:radial-gradient(ellipse 70% 70% at 50% 30%, black 0%, transparent 75%);
  mask-image:radial-gradient(ellipse 70% 70% at 50% 30%, black 0%, transparent 75%);
}
.page-hero h1{
  position:relative;
  font-size:clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight:700;
  margin-bottom:14px;
  letter-spacing:-0.03em;
}
.page-hero p{
  position:relative;
  color:var(--grey-400);
  font-size:1.05rem;
  font-weight:300;
  max-width:560px;
  margin:0 auto;
}

.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--grey-200);
}

/* Flat, sharp-edged content blocks — the visual counterweight to the pill buttons */
.card{
  padding:36px 32px;
  background:var(--white);
  transition:background 0.25s ease;
}
.card:hover{background:var(--grey-50);}
.card h2{font-size:1.4rem;font-weight:700;margin-bottom:14px;color:var(--black);letter-spacing:-0.015em;}
.card h3{font-size:1.08rem;font-weight:700;margin-bottom:10px;color:var(--black);letter-spacing:-0.01em;}
.card p{color:var(--grey-600);font-weight:400;}
.card ul{margin-top:8px;padding-left:20px;color:var(--grey-600);}
.card ul li{margin-bottom:8px;line-height:1.6;}

/* Standalone cards (not part of a grid strip) still need their own edges */
.section > .container > .card{
  border:1px solid var(--grey-200);
}
.section > .container > .card:hover{background:var(--white);}

@media (max-width:860px){
  .grid-3{grid-template-columns:1fr;}
  .hero-content h1{font-size:2.1rem;}
  .page-hero h1{font-size:1.9rem;}
  .section{padding:70px 0;}
}

/* ===== SCROLL REVEAL ===== */
.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible{opacity:1;transform:translateY(0);}
.delay-1.visible{transition-delay:0.12s;}
.delay-2.visible{transition-delay:0.24s;}
.delay-3.visible{transition-delay:0.36s;}
.no-js .reveal{opacity:1;transform:none;}

/* ===== FORMS ===== */
.form-group{margin-bottom:20px;}
.form-group label{
  display:block;
  font-size:0.82rem;
  font-weight:600;
  color:var(--black);
  margin-bottom:6px;
}
.form-input{
  width:100%;
  padding:13px 16px;
  border:1px solid var(--grey-200);
  border-radius:4px;
  font-size:0.95rem;
  font-family:inherit;
  color:var(--black);
  background:var(--white);
  transition:border-color 0.2s;
}
.form-input:focus{outline:none;border-color:var(--black);}
.form-textarea{resize:vertical;min-height:110px;}
.form-submit{
  background:var(--black);
  color:var(--white);
  padding:14px 28px;
  border:none;
  border-radius:980px;
  font-weight:600;
  font-size:0.92rem;
  cursor:pointer;
  transition:background 0.2s;
}
.form-submit:hover{background:var(--gold);color:var(--black);}
.form-note{font-size:0.8rem;color:var(--grey-600);margin-top:12px;}

.visually-hidden{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* ===== FOOTER ===== */
.footer{
  background:var(--black);
  color:var(--grey-400);
  padding:32px 0;
  font-size:0.85rem;
  font-weight:300;
}
.footer a{color:var(--grey-400);text-decoration:none;}
.footer a:hover{color:var(--gold);}
.footer-bottom{text-align:center;}

/* ===== VALUES / TEAM ===== */
.value-chip{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:20px 0;
  border-bottom:1px solid var(--grey-200);
}
.value-chip-icon{font-size:1.1rem;flex-shrink:0;}
.value-chip h4{font-size:0.95rem;font-weight:700;color:var(--black);margin-bottom:4px;}
.value-chip p{font-size:0.85rem;color:var(--grey-600);line-height:1.5;}

.team-card{text-align:left;}
.team-role{
  color:var(--gold-dark);
  font-weight:600;
  font-size:0.76rem;
  text-transform:uppercase;
  letter-spacing:0.08em;
  margin-bottom:10px;
}
.team-contact{margin-top:10px;font-size:0.85rem;}
.team-contact a{color:var(--grey-600);text-decoration:none;}
.team-contact a:hover{color:var(--gold-dark);}

/* ===== HERO STATS (homepage) — big thin numbers, Tesla spec-sheet style ===== */
.hero-stats{
  display:flex;
  gap:48px;
  margin-top:44px;
  padding-top:32px;
  border-top:1px solid rgba(255,255,255,0.14);
  flex-wrap:wrap;
  justify-content:center;
}
.hero-stat-value{font-size:2.2rem;font-weight:700;color:var(--white);letter-spacing:-0.02em;}
.hero-stat-label{font-size:0.74rem;color:var(--grey-400);text-transform:uppercase;letter-spacing:0.08em;margin-top:4px;font-weight:400;}

/* ===== STAT CARDS (light bg, used on Projects/About) ===== */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--grey-200);}
.stat-card{
  background:var(--white);
  padding:24px 16px;
  text-align:center;
}
.stat-card .stat-value{font-size:1.7rem;font-weight:700;color:var(--gold-dark);letter-spacing:-0.02em;}
.stat-card .stat-label{font-size:0.78rem;color:var(--grey-600);font-weight:500;margin-top:6px;}

/* ===== CAPEX / BUDGET BREAKDOWN ===== */
.capex-row{margin-bottom:16px;}
.capex-row-header{display:flex;justify-content:space-between;font-size:0.88rem;margin-bottom:6px;}
.capex-row-label{color:var(--grey-600);}
.capex-row-value{font-weight:700;color:var(--black);}
.capex-track{height:4px;background:var(--grey-200);overflow:hidden;}
.capex-fill{height:100%;background:var(--gold);}
.capex-total{display:flex;justify-content:space-between;align-items:center;margin-top:20px;padding-top:16px;border-top:1px solid var(--grey-200);}
.capex-total-label{color:var(--grey-600);font-weight:500;}
.capex-total-value{font-size:1.3rem;font-weight:700;color:var(--gold-dark);}

/* ===== MILESTONE TRACKER ===== */
.milestone-list{display:flex;flex-direction:column;}
.milestone{display:flex;gap:14px;padding-bottom:22px;position:relative;}
.milestone:last-child{padding-bottom:0;}
.milestone::before{content:'';position:absolute;left:10px;top:24px;bottom:0;width:1px;background:var(--grey-200);}
.milestone:last-child::before{display:none;}
.milestone-dot{width:22px;height:22px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:0.7rem;font-weight:700;z-index:1;}
.milestone-dot.done{background:var(--green);color:white;}
.milestone-dot.active{background:var(--gold);color:var(--black);box-shadow:0 0 0 4px rgba(212,160,23,0.18);}
.milestone-dot.upcoming{background:var(--grey-200);}
.milestone-title{font-weight:600;font-size:0.92rem;color:var(--black);margin-bottom:2px;}
.milestone-status{font-size:0.78rem;font-weight:500;}
.milestone-status.done{color:var(--green);}
.milestone-status.active{color:var(--gold-dark);}
.milestone-status.upcoming{color:var(--grey-600);}

/* ===== JOB CARDS (careers) ===== */
.job-card-header{margin-bottom:10px;}
.job-title{font-size:1.08rem;font-weight:700;color:var(--black);letter-spacing:-0.01em;}
.job-dept{font-size:0.76rem;color:var(--gold-dark);font-weight:600;text-transform:uppercase;letter-spacing:0.06em;margin-top:2px;}
.job-tags{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 14px;}
.job-tag{background:var(--grey-50);color:var(--grey-600);font-size:0.74rem;font-weight:500;padding:5px 12px;border-radius:980px;display:inline-flex;align-items:center;gap:6px;}
.job-helps-label{font-size:0.76rem;color:var(--grey-600);font-weight:600;text-transform:uppercase;letter-spacing:0.04em;margin-bottom:8px;}
.job-apply{display:inline-flex;align-items:center;gap:8px;background:var(--black);color:var(--white);padding:10px 22px;border-radius:980px;text-decoration:none;font-weight:600;font-size:0.85rem;margin-top:8px;transition:background 0.2s;}
.job-apply:hover{background:var(--gold);color:var(--black);}

@media (max-width:860px){
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .hero-stats{gap:32px;}
}

/* ===== LIVE CHAT BUBBLE (WhatsApp) ===== */
.chat-bubble{
  position:fixed;
  right:22px;
  bottom:22px;
  z-index:1500;
  width:58px;
  height:58px;
  border-radius:50%;
  background:#1c8a4a;
  display:flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;
  box-shadow:0 6px 20px rgba(0,0,0,0.25);
  transition:transform 0.2s, box-shadow 0.2s;
}
.chat-bubble:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(0,0,0,0.3);}
.chat-bubble svg{width:28px;height:28px;fill:var(--white);}
.chat-bubble::before{
  content:'';
  position:absolute;
  inset:0;
  border-radius:50%;
  background:#1c8a4a;
  opacity:0.55;
  animation:chat-pulse 2.4s ease-out infinite;
}
@keyframes chat-pulse{
  0%{transform:scale(1);opacity:0.5;}
  100%{transform:scale(1.7);opacity:0;}
}
.chat-tooltip{
  position:absolute;
  right:70px;
  top:50%;
  transform:translateY(-50%);
  background:var(--black);
  color:var(--white);
  font-size:0.8rem;
  font-weight:500;
  padding:8px 14px;
  border-radius:6px;
  white-space:nowrap;
  opacity:0;
  pointer-events:none;
  transition:opacity 0.2s;
}
.chat-bubble:hover .chat-tooltip{opacity:1;}

@media (max-width:640px){
  .chat-bubble{width:52px;height:52px;right:16px;bottom:16px;}
  .chat-tooltip{display:none;}
}
@media (prefers-reduced-motion: reduce){
  .chat-bubble::before{animation:none;opacity:0;}
}