/* ==========================================================================
   Milestone BI — Omar Williams personal site
   Design tokens
   ========================================================================== */
:root{
  --navy-950:#070C18;
  --navy-900:#0B1730;
  --navy-850:#0F1E3D;
  --navy-800:#14264A;
  --navy-700:#1C3560;
  --navy-600:#294778;

  --gold-300:#E8CE7C;
  --gold-400:#D9B84A;
  --gold-500:#C9A227;
  --gold-600:#A9840F;

  --paper:#F6F2E9;
  --paper-ink:#171310;
  --paper-muted:#5B5346;

  --ink-hi:#F7F6F2;
  --ink-mid:#C8CCDA;
  --ink-mute:#8890A6;

  --border-dark: rgba(247,246,242,0.10);
  --border-gold: rgba(201,162,39,0.35);

  --font-display:'Bricolage Grotesque', 'Helvetica Neue', Arial, sans-serif;
  --font-body:'Inter', 'Helvetica Neue', Arial, sans-serif;

  --space-1:8px;  --space-2:16px; --space-3:24px; --space-4:32px;
  --space-5:48px; --space-6:64px; --space-7:96px; --space-8:140px;

  --radius-s:10px; --radius-m:16px; --radius-l:28px;
  --ease: cubic-bezier(.22,.78,.32,1);
}

/* ==========================================================================
   Reset & base
   ========================================================================== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
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{
  font-family:var(--font-body);
  background:var(--navy-950);
  color:var(--ink-hi);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
button{font:inherit;background:none;border:none;cursor:pointer;color:inherit;}
h1,h2,h3{font-family:var(--font-display);line-height:1.08;letter-spacing:-0.01em;}

.wrap{max-width:1200px;margin:0 auto;padding:0 var(--space-3);}

:focus-visible{outline:2px solid var(--gold-400);outline-offset:3px;border-radius:4px;}

.skip-link{
  position:absolute;left:-999px;top:0;background:var(--gold-500);color:var(--navy-950);
  padding:10px 16px;z-index:200;font-weight:600;border-radius:0 0 8px 0;
}
.skip-link:focus{left:0;}

section{padding:var(--space-8) 0;position:relative;}
@media (max-width:768px){ section{padding:var(--space-6) 0;} }

.section-eyebrow{
  font-family:var(--font-body);
  text-transform:uppercase;
  letter-spacing:0.14em;
  font-size:13px;
  font-weight:600;
  color:var(--gold-500);
  margin-bottom:var(--space-2);
}
.section-title{
  font-size:clamp(28px,4vw,44px);
  font-weight:700;
  margin-bottom:var(--space-3);
}
.section-intro{
  max-width:620px;
  color:var(--ink-mid);
  font-size:18px;
  margin-bottom:var(--space-5);
}

.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:var(--space-3);}
.tag{
  font-size:12.5px;
  font-weight:600;
  padding:6px 12px;
  border-radius:999px;
  background:rgba(201,162,39,0.10);
  color:var(--gold-300);
  border:1px solid var(--border-gold);
  white-space:nowrap;
}
.tag-cert{background:rgba(247,246,242,0.06);color:var(--ink-mid);border-color:var(--border-dark);}

/* 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;
  transition:transform .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease), color .25s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--gold-500);color:var(--navy-950);}
.btn-primary:hover{background:var(--gold-400);transform:translateY(-2px);box-shadow:0 12px 30px -10px rgba(201,162,39,0.55);}
.btn-ghost{border:1px solid var(--border-dark);color:var(--ink-hi);}
.btn-ghost:hover{border-color:var(--gold-500);color:var(--gold-300);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-lg{padding:18px 38px;font-size:16px;}

/* reveal-on-scroll */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease), transform .7s var(--ease);}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(7,12,24,0.78);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-dark);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;
}
.brand-logo{height:30px;width:auto;}
.main-nav{display:none;gap:var(--space-4);}
.main-nav a{font-size:14.5px;font-weight:500;color:var(--ink-mid);transition:color .2s;}
.main-nav a:hover{color:var(--ink-hi);}
.header-actions{display:flex;align-items:center;gap:var(--space-2);}
.header-actions .btn{display:none;}

.nav-toggle{display:flex;flex-direction:column;gap:5px;padding:8px;}
.nav-toggle span{width:22px;height:2px;background:var(--ink-hi);border-radius:2px;transition:transform .25s var(--ease), opacity .25s;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-nav{
  display:flex;flex-direction:column;gap:2px;
  max-height:0;overflow:hidden;
  background:var(--navy-900);
  transition:max-height .35s var(--ease);
  border-bottom:1px solid var(--border-dark);
}
.mobile-nav.is-open{max-height:420px;}
.mobile-nav a{padding:14px var(--space-3);border-top:1px solid var(--border-dark);font-size:15px;color:var(--ink-mid);}
.mobile-nav .btn{margin:var(--space-2) var(--space-3) var(--space-3);}

@media (min-width:960px){
  .main-nav{display:flex;}
  .nav-toggle{display:none;}
  .mobile-nav{display:none;}
  .header-actions .btn{display:inline-flex;}
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  padding-top:var(--space-8);
  padding-bottom:0;
  background:
    radial-gradient(60% 50% at 80% 0%, rgba(201,162,39,0.10), transparent 60%),
    linear-gradient(180deg, var(--navy-950) 0%, #08101F 100%);
  overflow:hidden;
}
.hero-glow{
  position:absolute;top:-200px;left:50%;transform:translateX(-50%);
  width:900px;height:600px;
  background:radial-gradient(closest-side, rgba(201,162,39,0.18), transparent 70%);
  filter:blur(40px);
  pointer-events:none;
}
.hero-inner{position:relative;text-align:center;max-width:900px;padding-bottom:var(--space-7);}
.eyebrow{
  display:inline-block;text-transform:uppercase;letter-spacing:0.16em;font-size:13px;font-weight:600;
  color:var(--gold-400);margin:0 auto var(--space-3);
  padding:8px 18px;border:1px solid var(--border-gold);border-radius:999px;
}
.hero-title{
  font-size:clamp(38px,7vw,84px);
  font-weight:700;
  margin-bottom:var(--space-3);
}
.accent-italic{font-style:italic;font-weight:500;color:var(--gold-400);}
.hero-lede{
  font-size:clamp(16px,2vw,19px);
  color:var(--ink-mid);
  max-width:640px;margin:0 auto var(--space-4);
}
.hero-ctas{display:flex;gap:var(--space-2);justify-content:center;flex-wrap:wrap;}

.stats-bar{
  position:relative;
  border-top:1px solid var(--border-dark);
  background:rgba(255,255,255,0.02);
}
.stats-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-4);
  padding:var(--space-5) var(--space-3);
}
.stat{display:flex;flex-direction:column;gap:4px;text-align:center;}
.stat-number{font-family:var(--font-display);font-size:clamp(30px,4vw,44px);font-weight:700;color:var(--gold-400);}
.stat-label{font-size:13px;color:var(--ink-mute);max-width:180px;margin:0 auto;}
@media (min-width:720px){ .stats-grid{grid-template-columns:repeat(4,1fr);} }

/* ==========================================================================
   About
   ========================================================================== */
.about{background:var(--paper);color:var(--paper-ink);}
.about-grid{display:grid;gap:var(--space-6);}
.about .section-eyebrow{color:var(--gold-600);}
.about .lede{font-size:19px;font-weight:500;margin-bottom:var(--space-3);}
.about p{margin-bottom:var(--space-3);color:var(--paper-muted);}
.about p strong{color:var(--paper-ink);}
.about-links{display:flex;flex-direction:column;gap:10px;margin-top:var(--space-3);}
.link-arrow{font-weight:600;color:var(--paper-ink);border-bottom:1px solid var(--gold-600);padding-bottom:2px;width:fit-content;transition:opacity .2s;}
.link-arrow:hover{opacity:0.6;}

.about-side{display:flex;flex-direction:column;gap:var(--space-2);}
.credential-card{
  background:#fff;border:1px solid rgba(23,19,16,0.08);border-radius:var(--radius-m);
  padding:var(--space-3);display:flex;align-items:center;gap:var(--space-3);
  box-shadow:0 10px 30px -18px rgba(23,19,16,0.25);
}
.credential-value{font-family:var(--font-display);font-size:26px;font-weight:700;color:var(--gold-600);min-width:70px;}
.credential-label{font-size:14px;color:var(--paper-muted);line-height:1.4;}

@media (min-width:900px){
  .about-grid{grid-template-columns:1.3fr 1fr;align-items:start;}
}

/* ==========================================================================
   Who I Help
   ========================================================================== */
.work-with{background:var(--navy-950);}
.audience-grid{display:grid;gap:var(--space-3);grid-template-columns:1fr;}
.audience-card{
  background:var(--navy-900);border:1px solid var(--border-dark);border-radius:var(--radius-m);
  padding:var(--space-4);transition:border-color .25s, transform .25s;
}
.audience-card:hover{border-color:var(--border-gold);transform:translateY(-4px);}
.audience-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:rgba(201,162,39,0.10);color:var(--gold-400);margin-bottom:var(--space-2);
}
.audience-icon svg{width:22px;height:22px;}
.audience-card h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.audience-card p{color:var(--ink-mute);font-size:14.5px;}
@media (min-width:640px){ .audience-grid{grid-template-columns:1fr 1fr;} }
@media (min-width:1100px){ .audience-grid{grid-template-columns:repeat(4,1fr);} }

/* ==========================================================================
   Services
   ========================================================================== */
.services{background:var(--navy-950);}
.services-grid{display:grid;gap:var(--space-3);grid-template-columns:1fr;}
.service-card{
  background:linear-gradient(160deg, var(--navy-900), var(--navy-850));
  border:1px solid var(--border-dark);border-radius:var(--radius-m);
  padding:var(--space-4);transition:border-color .25s, transform .25s;
}
.service-card:hover{border-color:var(--border-gold);transform:translateY(-4px);}
.service-card h3{font-size:19px;font-weight:700;margin-bottom:10px;}
.service-card p{color:var(--ink-mute);font-size:14.5px;}
@media (min-width:720px){ .services-grid{grid-template-columns:1fr 1fr;} }
@media (min-width:1100px){ .services-grid{grid-template-columns:repeat(3,1fr);} }

/* ==========================================================================
   Case studies
   ========================================================================== */
.case-studies{background:var(--navy-950);}
.cases-list{display:flex;flex-direction:column;gap:var(--space-3);}
.case-card{
  background:var(--navy-900);border:1px solid var(--border-dark);border-radius:var(--radius-l);
  padding:var(--space-5);display:grid;gap:var(--space-3);
  transition:border-color .25s;
}
.case-card:hover{border-color:var(--border-gold);}
.case-category{
  display:inline-block;text-transform:uppercase;letter-spacing:0.1em;font-size:11.5px;font-weight:700;
  color:var(--gold-500);margin-bottom:8px;
}
.case-meta h3{font-size:clamp(20px,2.4vw,26px);font-weight:700;margin-bottom:4px;}
.case-client{color:var(--ink-mute);font-size:14.5px;}
.case-desc{color:var(--ink-mid);max-width:760px;}
.case-stats{display:flex;flex-wrap:wrap;gap:var(--space-5);padding:var(--space-3) 0;border-top:1px solid var(--border-dark);border-bottom:1px solid var(--border-dark);}
.case-stats div{display:flex;flex-direction:column;gap:2px;}
.case-stats strong{font-family:var(--font-display);font-size:28px;color:var(--gold-400);font-weight:700;}
.case-stats span{font-size:13px;color:var(--ink-mute);}

/* ==========================================================================
   Skills
   ========================================================================== */
.skills{background:var(--paper);color:var(--paper-ink);}
.skills .section-eyebrow{color:var(--gold-600);}
.skills-grid{display:grid;gap:var(--space-4);grid-template-columns:1fr;margin-bottom:var(--space-5);}
.skill-group h3{font-size:15px;text-transform:uppercase;letter-spacing:0.08em;color:var(--paper-muted);margin-bottom:var(--space-2);font-weight:700;}
.skill-group li{
  font-family:var(--font-display);font-weight:600;font-size:19px;
  padding:12px 0;border-bottom:1px solid rgba(23,19,16,0.10);
}
@media (min-width:820px){ .skills-grid{grid-template-columns:repeat(3,1fr);} }

.cert-row{display:flex;flex-wrap:wrap;gap:10px;}
.cert-row .tag-cert{background:#fff;color:var(--paper-ink);border-color:rgba(23,19,16,0.12);}

/* ==========================================================================
   Testimonials
   ========================================================================== */
.testimonials{background:var(--navy-950);}
.testimonials-grid{display:grid;gap:var(--space-3);grid-template-columns:1fr;}
.testimonial-card{
  background:var(--navy-900);border:1px solid var(--border-dark);border-radius:var(--radius-m);
  padding:var(--space-4);display:flex;flex-direction:column;gap:var(--space-3);
}
.testimonial-card p{font-size:16px;line-height:1.6;color:var(--ink-hi);}
.testimonial-card footer{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-mute);}
.avatar-initial{
  width:34px;height:34px;border-radius:50%;
  background:rgba(201,162,39,0.15);color:var(--gold-400);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-family:var(--font-display);
}
.testimonial-note{margin-top:var(--space-4);font-size:12.5px;color:var(--ink-mute);}
@media (min-width:900px){ .testimonials-grid{grid-template-columns:repeat(3,1fr);} }

/* ==========================================================================
   Contact / CTA
   ========================================================================== */
.contact{
  background:linear-gradient(160deg, var(--navy-900), var(--navy-950) 70%);
  text-align:center;
}
.contact-inner{max-width:700px;}
.section-eyebrow-light{color:var(--gold-400);}
.contact-title{font-size:clamp(32px,5vw,54px);font-weight:700;margin-bottom:var(--space-3);}
.contact-lede{color:var(--ink-mid);font-size:18px;margin-bottom:var(--space-5);}
.contact-grid{
  display:grid;gap:var(--space-3);grid-template-columns:1fr;
  margin-bottom:var(--space-5);text-align:left;
}
.contact-grid > div{
  background:rgba(255,255,255,0.03);border:1px solid var(--border-dark);border-radius:var(--radius-m);
  padding:var(--space-3);display:flex;flex-direction:column;gap:4px;
}
.contact-label{font-size:12px;text-transform:uppercase;letter-spacing:0.1em;color:var(--ink-mute);}
.contact-grid a{font-weight:600;color:var(--ink-hi);}
.contact-grid a:hover{color:var(--gold-400);}
@media (min-width:720px){ .contact-grid{grid-template-columns:repeat(3,1fr);} }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{background:#04070E;border-top:1px solid var(--border-dark);padding:var(--space-5) 0;}
.footer-inner{display:flex;flex-direction:column;gap:var(--space-3);align-items:center;text-align:center;}
.footer-logo{height:24px;opacity:0.85;}
.footer-nav{display:flex;gap:var(--space-3);flex-wrap:wrap;justify-content:center;}
.footer-nav a{font-size:13.5px;color:var(--ink-mute);}
.footer-nav a:hover{color:var(--ink-hi);}
.footer-copy{font-size:12.5px;color:var(--ink-mute);}
@media (min-width:720px){
  .footer-inner{flex-direction:row;justify-content:space-between;text-align:left;}
}