/* ==========================================================================
   PowerUkraine investor site — shared styles
   Aesthetic: refined institutional / editorial. Navy + paper, sparing accents.
   ========================================================================== */

:root{
  --navy:#0B1D33;
  --navy-2:#102740;
  --ink:#14222E;
  --paper:#F6F4EF;
  --white:#FFFFFF;
  --slate:#3A4A59;
  --muted:#6B7A89;
  --line:#E4E0D7;
  --line-dark:rgba(216,225,236,.14);
  --accent:#2F6FCF;
  --accent-soft:#80AFF0;
  --gold:#F7DF2C;
  --on-dark:#DCE4EE;
  --on-dark-mut:#8DA0B5;
  --maxw:1180px;
  --serif:'Spectral',Georgia,'Times New Roman',serif;
  --sans:'Archivo',-apple-system,BlinkMacSystemFont,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  color:var(--slate);
  background:var(--paper);
  line-height:1.7;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}

h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);font-weight:500;line-height:1.12;letter-spacing:-.01em}

.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.section{padding:104px 0;border-top:1px solid var(--line)}
.section--paper{background:var(--paper)}
.section--white{background:var(--white)}
.section--navy{background:var(--navy);color:var(--on-dark);border-top:none}
.section--navy h2,.section--navy h3{color:var(--white)}

/* Editorial section label: 01 — The Opportunity */
.eyebrow{
  font-size:.72rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;
  color:var(--accent);display:flex;align-items:center;gap:14px;margin-bottom:26px;
}
.eyebrow .num{font-variant-numeric:tabular-nums;color:var(--muted)}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--gold);display:inline-block}
.section--navy .eyebrow{color:var(--accent-soft)}
.section--navy .eyebrow .num{color:var(--on-dark-mut)}

.section h2{font-size:clamp(1.9rem,3.4vw,2.7rem);max-width:18ch;margin-bottom:30px}
.lead{font-size:1.12rem;max-width:62ch;color:var(--slate)}
.section--navy .lead{color:var(--on-dark)}
.prose p{max-width:62ch;margin-bottom:20px}
.prose p:last-child{margin-bottom:0}

/* ---------- Top navigation ---------- */
.nav{
  position:sticky;top:0;z-index:50;background:rgba(11,29,51,.92);
  backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--line-dark);
}
.nav__inner{display:flex;align-items:center;justify-content:space-between;
  max-width:var(--maxw);margin:0 auto;padding:0 28px;height:68px}
.nav__logo img{height:21px;width:auto}
.nav__links{display:flex;align-items:center;gap:30px;list-style:none}
.nav__links a{font-size:.86rem;letter-spacing:.02em;color:var(--on-dark);transition:color .2s}
.nav__links a:hover{color:#fff}
.nav__cta{
  font-size:.82rem;font-weight:600;letter-spacing:.03em;color:#fff!important;
  border:1px solid var(--line-dark);padding:9px 16px;border-radius:2px;transition:.22s var(--ease);
}
.nav__cta:hover{background:var(--accent);border-color:var(--accent)}
.nav__toggle{display:none;background:none;border:0;cursor:pointer;width:30px;height:24px;position:relative}
.nav__toggle span{position:absolute;left:0;right:0;height:2px;background:var(--on-dark);transition:.25s}
.nav__toggle span:nth-child(1){top:3px}
.nav__toggle span:nth-child(2){top:11px}
.nav__toggle span:nth-child(3){top:19px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--sans);font-size:.9rem;
  font-weight:600;letter-spacing:.02em;padding:14px 26px;border-radius:2px;cursor:pointer;
  transition:.24s var(--ease);border:1px solid transparent}
.btn--primary{background:var(--accent);color:#fff}
.btn--primary:hover{background:#2459a8;transform:translateY(-1px)}
.btn--ghost{background:transparent;color:#fff;border-color:var(--line-dark)}
.btn--ghost:hover{border-color:var(--accent-soft);color:#fff}
.btn--dark{background:var(--navy);color:#fff}
.btn--dark:hover{background:var(--navy-2)}
.btn .arr{transition:transform .24s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}

/* ---------- Hero ---------- */
.hero{
  position:relative;background:var(--navy);color:var(--on-dark);overflow:hidden;
  padding:140px 0 120px;
  background-image:
    radial-gradient(1200px 600px at 78% -10%, rgba(47,111,207,.28), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(128,175,240,.12), transparent 55%);
}
.hero::after{ /* faint engineering grid for depth */
  content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:linear-gradient(var(--line-dark) 1px,transparent 1px),
                   linear-gradient(90deg,var(--line-dark) 1px,transparent 1px);
  background-size:64px 64px;mask-image:linear-gradient(180deg,transparent,#000 30%,#000 70%,transparent);
}
.hero__inner{position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;padding:0 28px}
.hero .eyebrow{color:var(--accent-soft)}
.hero h1{
  color:#fff;font-size:clamp(2.5rem,6vw,4.9rem);font-weight:500;letter-spacing:-.02em;
  max-width:17ch;margin-bottom:28px;
}
.hero .sub{font-size:clamp(1.05rem,1.7vw,1.28rem);max-width:54ch;color:var(--on-dark);margin-bottom:40px}
.hero__actions{display:flex;gap:16px;flex-wrap:wrap}

/* ---------- Stat row ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:8px}
.stat{padding:30px 26px;border-left:1px solid var(--line)}
.stat:first-child{padding-left:0;border-left:none}
.stat__n{font-family:var(--serif);font-size:clamp(1.7rem,2.6vw,2.3rem);color:var(--ink);line-height:1;margin-bottom:12px;font-variant-numeric:tabular-nums}
.stat__l{font-size:.86rem;color:var(--muted);line-height:1.5}
.section--navy .stat{border-color:var(--line-dark)}
.section--navy .stat__n{color:#fff}
.section--navy .stat__l{color:var(--on-dark-mut)}

/* ---------- Generic grids ---------- */
.grid-2{display:grid;grid-template-columns:1.05fr 1fr;gap:60px;align-items:start}
.split-title{display:grid;grid-template-columns:.9fr 1.4fr;gap:54px;align-items:start}

/* model / what-we-build cards */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);margin-top:18px}
.card{background:var(--white);padding:34px}
.card h3{font-size:1.18rem;margin-bottom:12px}
.card p{font-size:.98rem;color:var(--slate)}

/* phase strip */
.phases{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-dark);margin-top:48px}
.phase{background:var(--navy);padding:30px 26px;position:relative}
.phase__k{font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent-soft);margin-bottom:14px}
.phase__t{font-family:var(--serif);color:#fff;font-size:1.25rem;margin-bottom:8px}
.phase__d{font-size:.92rem;color:var(--on-dark-mut)}

/* flagship cards */
.flagship{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;margin-top:18px}
.flag{background:var(--white);border:1px solid var(--line);padding:38px;transition:.25s var(--ease)}
.flag:hover{border-color:var(--accent-soft);transform:translateY(-3px);box-shadow:0 18px 40px -28px rgba(11,29,51,.4)}
.flag__cap{font-family:var(--serif);font-size:2rem;color:var(--accent);line-height:1;margin-bottom:6px}
.flag h3{font-size:1.3rem;margin-bottom:16px}
.flag dl{display:grid;grid-template-columns:auto 1fr;gap:8px 18px;font-size:.92rem;margin-bottom:18px}
.flag dt{color:var(--muted)}
.flag dd{color:var(--ink)}
.flag p{font-size:.96rem}

/* partners */
.partners{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark);margin-top:16px}
.partner{background:var(--navy);padding:26px 24px}
.partner__n{font-family:var(--serif);color:#fff;font-size:1.08rem;margin-bottom:6px}
.partner__r{font-size:.86rem;color:var(--on-dark-mut)}

/* leadership */
.team{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:18px}
.member__ph{width:100%;aspect-ratio:1/1;background:linear-gradient(160deg,#1a3252,#0c1f37);
  border:1px solid var(--line);border-radius:2px;display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.member__ph svg{width:46%;opacity:.5}
.member h3{font-size:1.08rem;margin-bottom:2px}
.member .role{font-size:.84rem;color:var(--accent);font-weight:600;letter-spacing:.02em;margin-bottom:12px}
.member p{font-size:.9rem;color:var(--muted)}
.ph-tag{display:inline-block;font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);border:1px solid var(--line);padding:3px 8px;border-radius:2px;margin-bottom:18px}

/* CTA band */
.cta-band{background:var(--navy);color:var(--on-dark);text-align:left}
.cta-band .inner{display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap}
.cta-band h2{color:#fff;max-width:20ch;margin-bottom:0}
.cta-band .actions{display:flex;gap:14px;flex-wrap:wrap}

/* note line */
.note{font-size:.86rem;color:var(--muted);border-left:2px solid var(--gold);padding-left:16px;margin-top:30px;max-width:64ch}

/* ---------- Projects page ---------- */
.page-head{background:var(--navy);color:var(--on-dark);padding:120px 0 70px}
.page-head h1{color:#fff;font-size:clamp(2.2rem,4.4vw,3.4rem);max-width:18ch;margin-bottom:22px}
.page-head .lead{color:var(--on-dark);max-width:60ch}
.map-ph{background:var(--white);border:1px solid var(--line);border-radius:2px;padding:34px;margin-top:14px}
.map-ph__frame{position:relative;background:
  radial-gradient(700px 400px at 60% 30%,rgba(47,111,207,.06),transparent),var(--paper);
  border:1px dashed var(--line);border-radius:2px;height:340px;display:flex;align-items:center;justify-content:center}
.map-ph__lbl{text-align:center;color:var(--muted)}
.map-ph__lbl .big{font-family:var(--serif);font-size:1.4rem;color:var(--ink);display:block;margin-bottom:6px}
.pipeline-list{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:18px}
.pl{background:#fff;padding:22px 26px;display:flex;justify-content:space-between;align-items:baseline;gap:16px}
.pl__c{font-size:1rem;color:var(--ink)}
.pl__m{font-family:var(--serif);color:var(--accent);font-variant-numeric:tabular-nums;white-space:nowrap}

/* ---------- Contact page ---------- */
.form{display:grid;gap:20px;max-width:560px;margin-top:10px}
.field{display:grid;gap:7px}
.field label{font-size:.84rem;font-weight:600;color:var(--ink);letter-spacing:.01em}
.field input,.field textarea{font-family:var(--sans);font-size:1rem;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:2px;padding:13px 14px;transition:.2s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,111,207,.12)}
.field textarea{min-height:120px;resize:vertical}
.check{display:flex;align-items:flex-start;gap:10px;font-size:.92rem;color:var(--slate)}
.check input{margin-top:4px}
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:start}
.contact-aside h3{font-size:1.1rem;margin-bottom:10px}
.contact-aside a{color:var(--accent);font-weight:600}

/* ---------- Footer ---------- */
.footer{background:#081424;color:var(--on-dark-mut);padding:64px 0 40px;border-top:1px solid var(--line-dark)}
.footer__top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;margin-bottom:40px}
.footer__logo img{height:22px;margin-bottom:16px}
.footer__tag{font-size:.92rem;max-width:34ch;color:var(--on-dark-mut)}
.footer__links{display:flex;gap:40px;flex-wrap:wrap}
.footer__col h4{font-family:var(--sans);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--on-dark);margin-bottom:14px;font-weight:600}
.footer__col a{display:block;font-size:.9rem;margin-bottom:9px;transition:color .2s}
.footer__col a:hover{color:#fff}
.footer__legal{border-top:1px solid var(--line-dark);padding-top:26px;font-size:.78rem;line-height:1.7;color:#5d6f83;max-width:92ch}
.footer__legal strong{color:var(--on-dark-mut);font-weight:600}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* hero staggered load */
.hero .eyebrow,.hero h1,.hero .sub,.hero__actions{opacity:0;transform:translateY(16px);
  animation:rise .8s var(--ease) forwards}
.hero h1{animation-delay:.08s}
.hero .sub{animation-delay:.18s}
.hero__actions{animation-delay:.28s}
@keyframes rise{to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.hero *{animation:none!important;opacity:1!important;transform:none!important}}

/* ---------- Responsive ---------- */
@media (max-width:880px){
  .nav__links{position:fixed;inset:68px 0 auto 0;background:var(--navy);flex-direction:column;
    gap:0;padding:8px 0;border-bottom:1px solid var(--line-dark);transform:translateY(-120%);
    transition:transform .3s var(--ease);align-items:stretch}
  .nav__links.open{transform:none}
  .nav__links li{padding:0 28px}
  .nav__links a{display:block;padding:14px 0;border-bottom:1px solid var(--line-dark)}
  .nav__links .nav__cta{margin:12px 28px;text-align:center;border-color:var(--accent);background:var(--accent)}
  .nav__toggle{display:block}
  .grid-2,.split-title,.contact-grid{grid-template-columns:1fr;gap:34px}
  .stats{grid-template-columns:1fr 1fr}
  .stat{border-left:none;border-top:1px solid var(--line);padding:24px 0}
  .stat:first-child{padding-top:0}
  .section--navy .stat{border-color:var(--line-dark)}
  .cards,.flagship,.phases,.partners,.team,.pipeline-list{grid-template-columns:1fr}
  .phases,.partners{background:transparent}
  .phase,.partner{border:1px solid var(--line-dark)}
  .section{padding:72px 0}
  .cta-band .inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .stats{grid-template-columns:1fr}
  body{font-size:16px}
}