/* =========================================================
   SRK Studio — Design tokens
   Edit colors/fonts here and they update across the whole site.
   ========================================================= */
:root{
  --ink:        #010e33;
  --ink-2:      #0a1b4d;
  --amber:      #ffba0a;
  --amber-dark: #e39f00;
  --paper:      #f6f7fb;
  --paper-2:    #ffffff;
  --slate:      #55608a;
  --slate-light:#8890b5;
  --line:       #e4e7f2;
  --line-dark:  rgba(255,255,255,0.14);
  --signal:     #17c3a2;

  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body:    'Inter', 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;

  --container: 1180px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 10px rgba(1,14,51,0.06);
  --shadow-md: 0 12px 32px rgba(1,14,51,0.10);
  --shadow-lg: 0 24px 60px rgba(1,14,51,0.16);
  --ease: cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--font-display); margin:0; line-height:1.12; letter-spacing:-0.01em; }
p{ margin:0; }
button{ font-family:inherit; cursor:pointer; }

:focus-visible{
  outline:2px solid var(--amber);
  outline-offset:3px;
  border-radius:4px;
}

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 28px;
}

.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--amber-dark);
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:7px; height:7px;
  border-radius:50%;
  background:var(--signal);
  box-shadow:0 0 0 3px rgba(23,195,162,0.18);
}
section.on-dark .eyebrow{ color:var(--amber); }

.section{ padding:96px 0; }
.section-tight{ padding:64px 0; }
@media (max-width:720px){
  .section{ padding:64px 0; }
  .section-tight{ padding:44px 0; }
}

.on-dark{ background:var(--ink); color:#fff; }
.on-dark .muted{ color:rgba(255,255,255,0.62); }
.muted{ color:var(--slate); }

.section-head{
  max-width:640px;
  margin-bottom:52px;
}
.section-head h2{ font-size:clamp(28px,3.6vw,40px); }
.section-head p{ margin-top:14px; color:var(--slate); font-size:17px; }
.on-dark .section-head p{ color:rgba(255,255,255,0.65); }

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:14px 26px;
  border-radius:999px;
  font-weight:600;
  font-size:15px;
  border:1px solid transparent;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
  white-space:nowrap;
}
.btn-primary{ background:var(--amber); color:var(--ink); }
.btn-primary:hover{ background:var(--amber-dark); transform:translateY(-2px); box-shadow:var(--shadow-md); }
.btn-ghost{ background:transparent; color:var(--ink); border-color:var(--line); }
.btn-ghost:hover{ border-color:var(--ink); transform:translateY(-2px); }
.on-dark .btn-ghost{ color:#fff; border-color:var(--line-dark); }
.on-dark .btn-ghost:hover{ border-color:#fff; }
.btn-sm{ padding:10px 18px; font-size:13.5px; }

/* =========================================================
   Header / Nav
   ========================================================= */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(246,247,251,0.82);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 28px;
  max-width:var(--container);
  margin:0 auto;
}
.brand{ display:flex; align-items:center; gap:10px; font-family:var(--font-display); font-weight:700; font-size:19px; color:var(--ink); }
.brand-mark{
  width:34px; height:34px; border-radius:9px;
  background:var(--ink);
  color:var(--amber);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono); font-weight:700; font-size:14px;
}
.nav-links{ display:flex; align-items:center; gap:34px; }
.nav-links a{
  font-size:14.5px; font-weight:500; color:var(--slate);
  position:relative; padding:4px 0;
  transition:color .2s var(--ease);
}
.nav-links a:hover, .nav-links a.active{ color:var(--ink); }
.nav-links a.active::after{
  content:""; position:absolute; left:0; right:0; bottom:-6px; height:2px; background:var(--amber);
}
.nav-cta{ display:flex; align-items:center; gap:14px; }
.nav-toggle{
  display:none; background:none; border:none; width:38px; height:38px;
  align-items:center; justify-content:center; border-radius:8px;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; display:block; width:20px; height:2px; background:var(--ink);
  position:relative; transition:transform .25s var(--ease), opacity .2s;
}
.nav-toggle span::before{ position:absolute; top:-6px; }
.nav-toggle span::after{ position:absolute; top:6px; }

@media (max-width:900px){
  .nav-links{
    position:fixed; inset:66px 0 0 0; background:var(--paper);
    flex-direction:column; align-items:flex-start; gap:0;
    padding:12px 28px 28px; transform:translateY(-8px);
    opacity:0; pointer-events:none; transition:opacity .25s var(--ease), transform .25s var(--ease);
    border-top:1px solid var(--line);
  }
  .nav-links.open{ opacity:1; pointer-events:auto; transform:translateY(0); }
  .nav-links a{ width:100%; padding:14px 0; border-bottom:1px solid var(--line); }
  .nav-toggle{ display:flex; }
  .nav-cta .btn-ghost{ display:none; }
}

/* =========================================================
   Hero
   ========================================================= */
.hero{
  padding:76px 0 60px;
  background:
    radial-gradient(600px 320px at 85% -10%, rgba(255,186,10,0.14), transparent 60%),
    var(--paper);
}
.hero-grid{
  display:grid; grid-template-columns:1.05fr 0.95fr; gap:56px; align-items:center;
}
.hero h1{
  font-size:clamp(34px,4.6vw,58px);
  max-width:15ch;
}
.hero h1 em{
  font-style:normal; color:var(--amber-dark);
  position:relative;
}
.hero-sub{ margin-top:22px; font-size:18px; color:var(--slate); max-width:46ch; }
.hero-actions{ display:flex; gap:14px; margin-top:34px; flex-wrap:wrap; }
.hero-stats{
  display:flex; gap:34px; margin-top:52px; padding-top:28px; border-top:1px solid var(--line);
  flex-wrap:wrap;
}
.hero-stat b{ font-family:var(--font-display); font-size:26px; display:block; }
.hero-stat span{ font-size:13px; color:var(--slate); font-family:var(--font-mono); }

/* Pipeline diagram (signature element) */
.pipeline{ position:relative; }
.pipeline-card{
  background:var(--ink); border-radius:var(--radius-lg);
  padding:30px 24px 24px; box-shadow:var(--shadow-lg);
  position:relative; overflow:hidden;
}
.pipeline-card::after{
  content:""; position:absolute; inset:0;
  background:radial-gradient(400px 200px at 100% 0%, rgba(255,186,10,0.12), transparent 60%);
  pointer-events:none;
}
.pipeline-label{
  font-family:var(--font-mono); font-size:11.5px; color:rgba(255,255,255,0.5);
  display:flex; justify-content:space-between; margin-bottom:18px; letter-spacing:.04em;
}
.pipeline-label .live{ color:var(--signal); display:flex; align-items:center; gap:6px; }
.pipeline-label .live::before{ content:""; width:6px; height:6px; border-radius:50%; background:var(--signal); animation:blink 1.6s infinite; }
@keyframes blink{ 0%,100%{opacity:1;} 50%{opacity:.3;} }

.pipeline svg{ width:100%; height:auto; display:block; }
.pipe-node-label{ font-family:var(--font-mono); font-size:10.5px; fill:rgba(255,255,255,0.72); }
.pipe-node-sub{ font-family:var(--font-mono); font-size:8.5px; fill:rgba(255,255,255,0.4); }
.pipe-line{ stroke:rgba(255,255,255,0.18); stroke-width:1.6; stroke-dasharray:4 5; fill:none; }
.pipe-pulse{ fill:var(--amber); filter:drop-shadow(0 0 6px rgba(255,186,10,0.9)); }
.pipe-node-circle{ fill:#0a1b4d; stroke:rgba(255,255,255,0.16); stroke-width:1.2; }
.pipe-node-circle.hub{ fill:var(--amber); stroke:none; }

.pipeline-footnote{
  margin-top:16px; font-family:var(--font-mono); font-size:11px; color:rgba(255,255,255,0.42);
}

@media (max-width:960px){
  .hero-grid{ grid-template-columns:1fr; }
  .pipeline{ order:-1; }
}

/* =========================================================
   Trust bar
   ========================================================= */
.trust-bar{ padding:36px 0; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.trust-row{ display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap; }
.trust-row span{
  font-family:var(--font-mono); font-size:13px; color:var(--slate-light);
  letter-spacing:.03em;
}

/* =========================================================
   Cards: services, process, portfolio, testimonials
   ========================================================= */
.grid{ display:grid; gap:24px; }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }
@media (max-width:960px){ .grid-3,.grid-4{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:620px){ .grid-3,.grid-4,.grid-2{ grid-template-columns:1fr; } }

.card{
  background:var(--paper-2); border:1px solid var(--line); border-radius:var(--radius-md);
  padding:30px 26px; transition:transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-md); border-color:transparent; }

.service-card .num{
  font-family:var(--font-mono); font-size:12px; color:var(--amber-dark); margin-bottom:16px; display:block;
}
.service-card h3{ font-size:19px; margin-bottom:10px; }
.service-card p{ color:var(--slate); font-size:14.5px; }
.service-card .tags{ display:flex; gap:8px; flex-wrap:wrap; margin-top:18px; }
.tag{
  font-family:var(--font-mono); font-size:11px; padding:4px 10px; border-radius:999px;
  background:var(--paper); border:1px solid var(--line); color:var(--slate);
}

/* Process steps (real sequence -> numbering is justified) */
.process{ display:grid; grid-template-columns:repeat(4,1fr); gap:0; position:relative; }
.process-step{ padding:0 22px 0 0; position:relative; }
.process-step:not(:last-child)::after{
  content:""; position:absolute; top:22px; right:-2px; width:calc(100% - 44px); height:1px;
  background:repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px);
}
.process-step .idx{
  font-family:var(--font-mono); font-size:13px; color:var(--amber-dark);
  width:44px; height:44px; border-radius:50%; border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center; margin-bottom:18px; background:var(--paper-2);
}
.process-step h4{ font-size:16.5px; margin-bottom:8px; }
.process-step p{ font-size:14px; color:var(--slate); }
@media (max-width:900px){
  .process{ grid-template-columns:1fr 1fr; row-gap:36px; }
  .process-step:nth-child(2)::after{ display:none; }
}
@media (max-width:560px){
  .process{ grid-template-columns:1fr; }
  .process-step::after{ display:none; }
}

/* Portfolio */
.portfolio-tabs{ display:flex; gap:10px; margin-bottom:36px; flex-wrap:wrap; }
.ptab{
  font-family:var(--font-mono); font-size:12.5px; padding:9px 18px; border-radius:999px;
  border:1px solid var(--line); background:var(--paper-2); color:var(--slate);
  transition:all .2s var(--ease);
}
.ptab.active, .ptab:hover{ background:var(--ink); color:#fff; border-color:var(--ink); }

.pf-card{
  border:1px solid var(--line); border-radius:var(--radius-md); overflow:hidden; background:var(--paper-2);
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.pf-card:hover{ transform:translateY(-5px); box-shadow:var(--shadow-md); }
.pf-thumb{ aspect-ratio:4/3; overflow:hidden; background:var(--ink); position:relative; }
.pf-thumb img{ width:100%; height:100%; object-fit:cover; transition:transform .5s var(--ease); }
.pf-card:hover .pf-thumb img{ transform:scale(1.06); }
.pf-kind{
  position:absolute; top:12px; left:12px; font-family:var(--font-mono); font-size:10.5px;
  background:rgba(1,14,51,0.72); color:var(--amber); padding:4px 10px; border-radius:999px; backdrop-filter:blur(4px);
}
.pf-body{ padding:20px 20px 22px; }
.pf-body h3{ font-size:16.5px; margin-bottom:8px; }
.pf-body p{ font-size:13.8px; color:var(--slate); }
.pf-body .pf-tags{ display:flex; gap:6px; flex-wrap:wrap; margin-top:14px; }

/* Portfolio detail (issue -> solution) */
.pf-detail{ display:none; }
.pf-detail.open{ display:block; }
.pf-steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin:28px 0; }
.pf-step-img{ border-radius:var(--radius-sm); overflow:hidden; border:1px solid var(--line); aspect-ratio:4/3; background:var(--paper); }
.pf-step-img img{ width:100%; height:100%; object-fit:cover; }
.pf-step-label{ font-family:var(--font-mono); font-size:11px; color:var(--slate); margin-top:8px; text-align:center; }
@media (max-width:700px){ .pf-steps{ grid-template-columns:repeat(2,1fr); } }

/* Testimonials */
.t-scroll{
  display:flex; gap:20px; overflow-x:auto; padding-bottom:14px; scroll-snap-type:x mandatory;
  margin:0 -28px; padding-left:28px; padding-right:28px;
}
.t-scroll::-webkit-scrollbar{ height:6px; }
.t-scroll::-webkit-scrollbar-thumb{ background:var(--line); border-radius:6px; }
.t-card{
  min-width:320px; max-width:320px; scroll-snap-align:start;
  background:var(--paper-2); border:1px solid var(--line); border-radius:var(--radius-md); padding:26px;
}
.t-stars{ color:var(--amber-dark); font-size:14px; letter-spacing:2px; margin-bottom:14px; }
.t-quote{ font-size:14.8px; color:var(--ink); }
.t-person{ display:flex; align-items:center; gap:12px; margin-top:20px; }
.t-person img{ width:42px; height:42px; border-radius:50%; object-fit:cover; }
.t-person b{ font-size:13.8px; display:block; }
.t-person span{ font-size:12.3px; color:var(--slate); }

/* Certifications */
.cert-list{ display:flex; flex-direction:column; }
.cert-row{
  display:flex; align-items:center; justify-content:space-between; gap:20px;
  padding:22px 0; border-bottom:1px solid var(--line-dark);
}
.cert-row:first-child{ border-top:1px solid var(--line-dark); }
.cert-main{ display:flex; align-items:center; gap:16px; }
.cert-icon{
  width:44px; height:44px; border-radius:10px; background:rgba(255,186,10,0.12);
  color:var(--amber); display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.cert-main h4{ font-size:15.5px; font-family:var(--font-body); font-weight:600; }
.cert-main span{ font-size:13px; color:rgba(255,255,255,0.5); }
.cert-date{ font-family:var(--font-mono); font-size:12.5px; color:rgba(255,255,255,0.5); white-space:nowrap; }

/* Experience timeline */
.timeline{ position:relative; padding-left:26px; }
.timeline::before{ content:""; position:absolute; left:5px; top:6px; bottom:6px; width:1px; background:var(--line); }
.tl-item{ position:relative; padding-bottom:38px; }
.tl-item:last-child{ padding-bottom:0; }
.tl-item::before{
  content:""; position:absolute; left:-26px; top:4px; width:11px; height:11px; border-radius:50%;
  background:var(--amber); border:3px solid var(--paper);
}
.tl-year{ font-family:var(--font-mono); font-size:12.5px; color:var(--amber-dark); margin-bottom:6px; }
.tl-item h4{ font-size:17px; margin-bottom:4px; }
.tl-item span{ font-size:13.5px; color:var(--slate); }

/* CTA band */
.cta-band{
  border-radius:var(--radius-lg); background:var(--ink); padding:64px 56px; text-align:center;
  position:relative; overflow:hidden;
}
.cta-band::before{
  content:""; position:absolute; inset:0;
  background:radial-gradient(500px 240px at 20% 0%, rgba(255,186,10,0.16), transparent 60%);
}
.cta-band h2{ color:#fff; font-size:clamp(26px,3.4vw,36px); position:relative; }
.cta-band p{ color:rgba(255,255,255,0.65); margin-top:12px; position:relative; }
.cta-band .btn{ margin-top:28px; position:relative; }

/* Footer */
.site-footer{ padding:56px 0 30px; border-top:1px solid var(--line); }
.footer-top{ display:flex; justify-content:space-between; gap:40px; flex-wrap:wrap; margin-bottom:40px; }
.footer-brand p{ margin-top:14px; max-width:280px; color:var(--slate); font-size:14px; }
.footer-cols{ display:flex; gap:64px; flex-wrap:wrap; }
.footer-col h5{ font-family:var(--font-mono); font-size:12px; text-transform:uppercase; letter-spacing:.08em; color:var(--slate-light); margin-bottom:16px; }
.footer-col a{ display:block; font-size:14px; color:var(--slate); padding:6px 0; transition:color .2s; }
.footer-col a:hover{ color:var(--ink); }
.footer-bottom{ display:flex; justify-content:space-between; gap:14px; flex-wrap:wrap; padding-top:24px; border-top:1px solid var(--line); font-size:13px; color:var(--slate-light); }

/* Scroll reveal */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in{ opacity:1; transform:translateY(0); }

/* Page hero (inner pages) */
.page-hero{ padding:64px 0 48px; }
.page-hero .eyebrow{ margin-bottom:16px; }
.page-hero h1{ font-size:clamp(30px,4vw,46px); max-width:18ch; }
.page-hero p{ margin-top:16px; color:var(--slate); font-size:17px; max-width:56ch; }

/* Forms */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.form-grid .full{ grid-column:1 / -1; }
label{ font-size:13.5px; font-weight:600; margin-bottom:8px; display:block; }
input, textarea, select{
  width:100%; padding:13px 15px; border-radius:var(--radius-sm); border:1px solid var(--line);
  font-family:inherit; font-size:14.5px; background:var(--paper-2); color:var(--ink);
  transition:border-color .2s;
}
input:focus, textarea:focus, select:focus{ border-color:var(--ink); outline:none; }
textarea{ resize:vertical; min-height:130px; }
.form-note{ font-size:12.5px; color:var(--slate-light); margin-top:6px; }
.form-status{ margin-top:18px; font-size:14px; display:none; }
.form-status.ok{ color:var(--signal); display:block; }
.form-status.err{ color:#e0563f; display:block; }
@media (max-width:640px){ .form-grid{ grid-template-columns:1fr; } }

.contact-panel{
  display:grid; grid-template-columns:1fr 1.15fr; gap:48px; align-items:start;
}
.contact-info-card{ background:var(--ink); color:#fff; border-radius:var(--radius-lg); padding:36px; }
.contact-info-card h3{ font-size:20px; margin-bottom:22px; }
.ci-row{ display:flex; gap:14px; align-items:flex-start; padding:16px 0; border-top:1px solid var(--line-dark); }
.ci-row:first-of-type{ border-top:none; }
.ci-icon{ width:36px; height:36px; border-radius:9px; background:rgba(255,186,10,0.14); color:var(--amber); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.ci-row b{ display:block; font-size:14px; margin-bottom:2px; }
.ci-row span, .ci-row a{ font-size:13.5px; color:rgba(255,255,255,0.62); }
@media (max-width:900px){ .contact-panel{ grid-template-columns:1fr; } }

/* About */
.about-grid{ display:grid; grid-template-columns:0.85fr 1.15fr; gap:56px; align-items:center; }
.about-photo{ border-radius:var(--radius-lg); overflow:hidden; aspect-ratio:3/4; background:var(--ink); box-shadow:var(--shadow-lg); }
.about-photo img{ width:100%; height:100%; object-fit:cover; }
.about-copy p{ color:var(--slate); font-size:16px; margin-bottom:16px; }
.skill-bars{ margin-top:30px; display:flex; flex-direction:column; gap:16px; }
.skill-row b{ font-size:13.5px; display:flex; justify-content:space-between; margin-bottom:8px; }
.skill-track{ height:6px; border-radius:6px; background:var(--line); overflow:hidden; }
.skill-fill{ height:100%; background:var(--amber); border-radius:6px; width:0%; transition:width 1.2s var(--ease); }
@media (max-width:900px){ .about-grid{ grid-template-columns:1fr; } }

.value-row{ display:flex; gap:18px; padding:20px 0; border-top:1px solid var(--line); }
.value-row:first-child{ border-top:none; }
.value-num{ font-family:var(--font-mono); color:var(--amber-dark); font-size:13px; flex-shrink:0; width:36px; }
.value-row h4{ font-size:16px; margin-bottom:6px; }
.value-row p{ font-size:14px; color:var(--slate); }

/* Portfolio detail modal */
.pf-modal{
  position:fixed; inset:0; z-index:200; background:rgba(1,14,51,0.6);
  display:flex; align-items:center; justify-content:center; padding:24px;
  opacity:0; pointer-events:none; transition:opacity .3s var(--ease);
  backdrop-filter:blur(4px);
}
.pf-modal.open{ opacity:1; pointer-events:auto; }
.pf-modal-inner{
  background:var(--paper-2); border-radius:var(--radius-lg); padding:36px;
  max-width:720px; width:100%; max-height:86vh; overflow-y:auto; position:relative;
  transform:translateY(14px); transition:transform .3s var(--ease);
  box-shadow:var(--shadow-lg);
}
.pf-modal.open .pf-modal-inner{ transform:translateY(0); }
.pf-modal-close{
  position:absolute; top:18px; right:18px; width:36px; height:36px; border-radius:50%;
  border:1px solid var(--line); background:var(--paper); font-size:20px; line-height:1;
  display:flex; align-items:center; justify-content:center; color:var(--slate);
  transition:all .2s;
}
.pf-modal-close:hover{ background:var(--ink); color:#fff; border-color:var(--ink); }

/* Utility */
.center{ text-align:center; margin-left:auto; margin-right:auto; }
.mt-lg{ margin-top:56px; }
.flex-between{ display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap; }
.small-note{ font-size:12.5px; color:var(--slate-light); font-family:var(--font-mono); }