/* ============ OZPR Energy — Design Tokens ============ */
:root{
  --navy-950:#0b1420;
  --navy-900:#0f1e2e;
  --navy-800:#16293c;
  --navy-700:#1e3550;
  --teal:#6fd6c9;
  --teal-dim:#3f8f88;
  --gold:#c9a35f;
  --gold-light:#e0c07f;
  --gold-ink:#8a6a2f;
  --cream:#f7f4ee;
  --paper:#fbfaf7;
  --ink:#1a1c1f;
  --ink-soft:#4a4f56;
  --line:#e7e2d8;
  --shadow: 0 20px 50px -20px rgba(11,20,32,.35);
  --radius: 4px;
  --ff-serif: 'Cormorant Garamond', Georgia, serif;
  --ff-sans: 'Jost', 'Segoe UI', Arial, sans-serif;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--ff-sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.7;
  font-weight:300;
  -webkit-font-smoothing:antialiased;
  animation:pageFadeIn .6s ease;
}
@keyframes pageFadeIn{
  from{ opacity:0; }
  to{ opacity:1; }
}
@media (prefers-reduced-motion: reduce){
  body{ animation:none; }
}
img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4,h5{
  font-family:var(--ff-serif);
  font-weight:600;
  line-height:1.15;
  margin:0 0 .5em;
  color:var(--navy-900);
  letter-spacing:.2px;
}
h2{ font-size:clamp(1.9rem, 3.4vw, 2.7rem); }
h3{ font-size:1.4rem; }
p{ margin:0 0 1em; }
ul{ margin:0; padding:0; list-style:none; }
.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}
.kicker{
  position:relative;
  font-family:var(--ff-sans);
  text-transform:uppercase;
  letter-spacing:.22em;
  font-size:.75rem;
  color:var(--gold-ink);
  font-weight:500;
  margin-bottom:.9em;
  padding-bottom:12px;
  display:inline-block;
}
.kicker::after{
  content:''; position:absolute; left:0; bottom:0; height:1px; width:30px;
  background:var(--gold-ink);
  transform:scaleX(0); transform-origin:left;
  transition:transform .6s ease .2s;
}
.kicker.in-view::after{ transform:scaleX(1); }
.kicker-light{ color:var(--teal); }
.kicker-light::after{ background:var(--teal); }
.section-title-light{ color:#fff; }
.section-intro{ max-width:640px; color:var(--ink-soft); }

/* ============ Buttons ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:.95em 2em;
  font-size:.85rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  font-weight:500;
  border-radius:var(--radius);
  border:1px solid transparent;
  cursor:pointer;
  transition:all .25s ease;
  white-space:nowrap;
}
.btn-gold{ background:var(--gold); color:var(--navy-950); }
.btn-gold:hover{ background:var(--gold-light); transform:translateY(-2px); }
.btn-ghost{ border-color:rgba(255,255,255,.55); color:#fff; }
.btn-ghost:hover{ background:rgba(255,255,255,.12); }
.btn-outline{ border-color:var(--navy-900); color:var(--navy-900); }
.btn-outline:hover{ background:var(--navy-900); color:#fff; }
.btn-block{ width:100%; }

/* ============ Progress bar ============ */
#progress-bar{
  position:fixed; top:0; left:0; height:3px; width:0%;
  background:linear-gradient(90deg,var(--teal),var(--gold));
  z-index:2000; transition:width .1s linear;
}

/* ============ Header ============ */
#site-header{
  position:fixed; top:0; left:0; right:0; z-index:1000;
  padding:18px 0;
  transition:all .35s ease;
}
#site-header.scrolled{
  background:rgba(11,20,32,.92);
  backdrop-filter:blur(8px);
  padding:12px 0;
  box-shadow:0 2px 20px rgba(0,0,0,.15);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; gap:24px; }
.brand{ display:flex; align-items:baseline; gap:8px; font-family:var(--ff-serif); }
.brand-mark{ font-size:1.5rem; font-weight:700; color:#fff; letter-spacing:.03em; }
.brand-sub{ font-size:.75rem; letter-spacing:.32em; color:var(--gold); font-family:var(--ff-sans); }
#main-nav ul{ display:flex; gap:34px; }
#main-nav a{
  font-size:.82rem; letter-spacing:.08em; text-transform:uppercase;
  color:#fff; opacity:.85; position:relative; padding:4px 0;
}
#main-nav a::after{
  content:''; position:absolute; left:0; bottom:-2px; width:0; height:1px;
  background:var(--gold); transition:width .25s ease;
}
#main-nav a:hover{ opacity:1; }
#main-nav a:hover::after{ width:100%; }
.nav-cta{ background:transparent; border-color:rgba(255,255,255,.5); color:#fff; }
.nav-cta:hover{ background:var(--gold); border-color:var(--gold); color:var(--navy-950); }

#nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:38px; height:38px; background:none; border:none; cursor:pointer; padding:0;
}
#nav-toggle span{ display:block; height:2px; background:#fff; border-radius:2px; transition:.3s; }

/* ============ Hero ============ */
#hero{
  position:relative; min-height:100vh; display:flex; align-items:center;
  overflow:hidden; color:#fff;
}
#hero{ background:#1e1822; }
.hero-bg{
  position:absolute; inset:0;
  background-size:contain;
  background-position:center bottom;
  background-repeat:no-repeat;
  background-color:#1e1822;
}
.hero-overlay{
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(9,16,26,.72) 0%, rgba(9,16,26,.68) 45%, rgba(9,16,26,.92) 100%);
}
.hero-content{ position:relative; z-index:2; padding-top:110px; padding-bottom:80px; }
.eyebrow{
  text-transform:uppercase; letter-spacing:.2em; font-size:.78rem; color:var(--teal);
  margin-bottom:1.2em; font-weight:500;
}
#hero h1{
  color:#fff; font-size:clamp(2.3rem, 5.4vw, 4.1rem); max-width:14ch; margin-bottom:.4em;
}
.hero-lede{ max-width:560px; font-size:1.1rem; color:rgba(255,255,255,.85); font-weight:300; }
.hero-actions{ display:flex; gap:18px; margin-top:2em; flex-wrap:wrap; }
.hero-content .reveal:nth-child(1){ transition-delay:.05s; }
.hero-content .reveal:nth-child(2){ transition-delay:.16s; }
.hero-content .reveal:nth-child(3){ transition-delay:.27s; }
.hero-content .reveal:nth-child(4){ transition-delay:.38s; }

.scroll-cue{
  position:absolute; bottom:28px; left:50%; transform:translateX(-50%); z-index:2;
  width:26px; height:42px; border:1px solid rgba(255,255,255,.55); border-radius:20px;
}
.scroll-cue span{
  position:absolute; top:7px; left:50%; width:4px; height:8px; background:var(--gold);
  border-radius:3px; transform:translateX(-50%); animation:scrollcue 1.8s infinite;
}
@keyframes scrollcue{
  0%{ opacity:1; top:7px; } 70%{ opacity:0; top:22px; } 100%{ opacity:0; top:22px; }
}

/* ============ Stats ============ */
#stats{ background:var(--navy-950); color:#fff; padding:56px 0; }
.stats-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:32px; }
.stat{ text-align:center; padding:0 12px; border-left:1px solid rgba(255,255,255,.12); }
.stat:first-child{ border-left:none; }
.stat-icon{ display:flex; width:26px; height:26px; margin:0 auto 10px; color:var(--teal-dim); justify-content:center; }
.stat-icon svg{ width:100%; height:100%; }
.stat-num, .stat-plus{ font-family:var(--ff-serif); font-size:2.6rem; font-weight:700; color:var(--gold); }
.stat-label{ display:block; margin-top:.5em; font-size:.85rem; color:rgba(255,255,255,.72); }

/* ============ Sections ============ */
.section{ padding:110px 0; }
.section-tint{ background:var(--cream); }
.section-dark{
  background-color:var(--navy-900);
  background-image:
    linear-gradient(rgba(15,30,46,.94), rgba(15,30,46,.94)),
    url('../assets/img/pattern-watermark.webp');
  background-repeat:no-repeat, repeat;
  background-size:cover, 350px auto;
  color:rgba(255,255,255,.85);
}
.section-dark p{ color:rgba(255,255,255,.78); }
.section-dark .mini-title{ color:#fff; }

.split{ display:grid; grid-template-columns:1fr 1fr; gap:70px; align-items:center; }
.split-media{ overflow:hidden; border-radius:var(--radius); box-shadow:var(--shadow); }
.split-media img{ border-radius:var(--radius); transition:transform .6s ease; }
.split-media:hover img{ transform:scale(1.04); }
.split-copy blockquote{
  border-left:3px solid var(--gold); margin:1.6em 0 0; padding:.2em 0 .2em 1.4em;
  font-family:var(--ff-serif); font-size:1.3rem; font-style:italic; color:var(--navy-800);
}

.two-col{ display:grid; grid-template-columns:1fr 1fr; gap:60px; margin-top:2.4em; }
.mini-title{ font-size:1.15rem; margin-bottom:.6em; color:var(--gold); font-family:var(--ff-sans); text-transform:uppercase; letter-spacing:.1em; font-weight:500; }
.quote-callout{
  margin:3em auto 0; max-width:760px; text-align:center; font-family:var(--ff-serif);
  font-size:1.5rem; font-style:italic; color:#fff; border:none; padding:1.6em 2em;
  border-top:1px solid rgba(255,255,255,.18); border-bottom:1px solid rgba(255,255,255,.18);
}

/* Principles */
.principles-grid{ position:relative; display:grid; grid-template-columns:repeat(5,1fr); gap:22px; margin-top:2.4em; }
@media (min-width:981px){
  .principles-grid::before{
    content:''; position:absolute; left:44px; right:44px; top:58px; height:1px; z-index:-1;
    background:linear-gradient(90deg, transparent, var(--gold) 8%, var(--gold) 92%, transparent);
    opacity:.5;
  }
}
.principle-card{
  background:var(--paper); border:1px solid var(--line); border-radius:var(--radius);
  padding:32px 22px; text-align:left; transition:transform .3s ease, box-shadow .3s ease;
}
.principle-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow); }
.principle-index{ font-family:var(--ff-serif); font-size:1.6rem; color:var(--gold-ink); font-weight:700; }
.principle-card h3{ margin-top:.3em; font-size:1.2rem; }
.principle-card p{ font-size:.92rem; color:var(--ink-soft); margin:0; }

/* Chips */
.chip-row{ display:flex; flex-wrap:wrap; gap:12px; margin:1.6em 0 3em; }
.chip{
  padding:.6em 1.3em; border:1px solid var(--navy-800); border-radius:30px;
  font-size:.85rem; letter-spacing:.03em; color:var(--navy-800); background:#fff;
  transition:background .25s ease, color .25s ease, border-color .25s ease, transform .25s ease;
}
.chip:hover{ background:var(--gold); border-color:var(--gold); color:var(--navy-950); transform:translateY(-2px); }

.feature-row{ display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; margin-bottom:70px; }
.feature-row:last-child{ margin-bottom:0; }
.feature-row-rev .feature-media{ order:2; }
.feature-row-rev .feature-copy{ order:1; }
.feature-media{ overflow:hidden; border-radius:var(--radius); box-shadow:var(--shadow); }
.feature-media img{ border-radius:var(--radius); transition:transform .6s ease; }
.feature-media:hover img{ transform:scale(1.05); }
.feature-copy p{ color:var(--ink-soft); }

/* Global reach */
.section-reach{ position:relative; padding:120px 0; color:#fff; overflow:hidden; }
.reach-bg{
  position:absolute; inset:0;
  background-size:contain; background-position:right center; background-repeat:no-repeat;
  background-color:#241d2e;
}
.reach-overlay{ position:absolute; inset:0; background:linear-gradient(120deg, rgba(9,16,26,.94) 20%, rgba(9,16,26,.72) 100%); }
.reach-content{ position:relative; z-index:2; max-width:720px; }
.reach-content p{ color:rgba(255,255,255,.82); }
.office-row{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-top:2.6em; max-width:900px; }
.office-card{
  background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius); padding:20px 16px; transition:transform .3s ease, background .3s ease;
}
.office-card:hover{ transform:translateY(-4px); background:rgba(255,255,255,.08); }
.office-hq{ border-color:rgba(201,163,95,.45); }
.office-pin{ display:inline-flex; width:22px; height:22px; color:var(--teal); margin-bottom:10px; }
.office-hq .office-pin{ color:var(--gold-light); }
.office-pin svg{ width:100%; height:100%; }
.office-tag{
  font-size:.68rem; text-transform:uppercase; letter-spacing:.1em; margin:0 0 .5em;
  color:rgba(255,255,255,.5);
}
.office-hq .office-tag{ color:var(--gold-light); }
.office-card h4{ font-family:var(--ff-serif); font-size:1.2rem; color:#fff; margin:0 0 .1em; font-weight:600; }
.office-country{ font-size:.82rem; color:rgba(255,255,255,.65); margin:0; }

.trading-regions{ margin-top:2.2em; }
.trading-regions h4{ font-family:var(--ff-sans); text-transform:uppercase; letter-spacing:.08em; font-size:.8rem; color:var(--teal); margin-bottom:.5em; font-weight:500; }
.trading-regions p{ font-size:.95rem; margin:0; color:rgba(255,255,255,.82); }

/* Team */
.team-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; margin-top:2.4em; }
.team-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  padding:30px 20px; text-align:center; transition:transform .3s ease, box-shadow .3s ease;
}
.team-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow); }
.avatar{
  display:inline-flex; align-items:center; justify-content:center;
  width:64px; height:64px; border-radius:50%; margin-bottom:14px;
  background:linear-gradient(135deg,var(--navy-800),var(--navy-700));
  color:var(--gold-light); font-family:var(--ff-serif); font-weight:700; font-size:1.15rem;
  transition:box-shadow .3s ease, transform .3s ease;
}
.team-card:hover .avatar{ box-shadow:0 0 0 6px rgba(201,163,95,.16); transform:scale(1.06); }
.team-card h4{ font-size:1.05rem; margin-bottom:.15em; color:var(--navy-900); }
.role{ font-size:.85rem; color:var(--gold-ink); text-transform:uppercase; letter-spacing:.05em; margin-bottom:.2em; }
.loc{ font-size:.85rem; color:var(--ink-soft); margin:0; }

/* Network */
.logo-grid{
  margin-top:2.4em; display:grid; grid-template-columns:repeat(4,1fr); gap:20px;
}
.logo-card{
  position:relative; overflow:hidden;
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  display:flex; align-items:center; justify-content:center; padding:22px;
  transition:transform .3s ease, box-shadow .3s ease;
  opacity:1; transform:none; /* override generic .reveal fade — the curtain does the revealing */
}
.logo-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow); }
.logo-card img{ max-height:56px; width:auto; }
.logo-card::after{
  content:'';
  position:absolute; inset:0; background:var(--cream);
  transform:scaleX(1); transform-origin:right;
  transition:transform .7s cubic-bezier(.65,0,.35,1) var(--stagger, 0s);
}
.logo-card.in-view::after{ transform:scaleX(0); }
.logo-disclaimer{
  margin-top:1.6em; font-size:.78rem; color:var(--ink-soft); opacity:.75; text-align:center;
}

/* Sustainability */
.sustain-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; margin-top:2.4em; }
.sustain-card{
  background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius); padding:30px;
}
.sustain-card h4{ color:var(--teal); font-family:var(--ff-sans); text-transform:uppercase; letter-spacing:.08em; font-size:.85rem; font-weight:500; margin-bottom:.7em; }
.sustain-card p{ font-size:.94rem; margin:0; }

/* FAQ */
.faq-list{ max-width:820px; margin-top:2em; }
.faq-item{
  border-bottom:1px solid var(--line);
  padding:22px 0;
}
.faq-item summary{
  cursor:pointer; list-style:none;
  display:flex; align-items:center; justify-content:space-between; gap:20px;
  font-family:var(--ff-serif); font-size:1.2rem; font-weight:600; color:var(--navy-900);
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{
  content:'+'; flex:0 0 auto; font-family:var(--ff-sans); font-size:1.3rem; font-weight:300;
  color:var(--gold-ink); transition:transform .3s ease;
}
.faq-item[open] summary::after{ transform:rotate(45deg); }
.faq-item p{ margin:.9em 0 0; color:var(--ink-soft); max-width:70ch; }
.faq-item summary:hover{ color:var(--gold-ink); }

.faq-hero{ padding-bottom:60px; }
.faq-section{ padding-top:50px; }
.faq-hero h1{ max-width:16ch; }
.faq-hero .section-intro{ margin-top:1em; }
.faq-cta{
  margin-top:3.5em; padding-top:2.5em; border-top:1px solid var(--line);
  display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap;
}
.faq-cta p{ font-family:var(--ff-serif); font-size:1.3rem; color:var(--navy-900); margin:0; }

/* Contact */
.split-contact{ align-items:start; }
.contact-details{ display:grid; grid-template-columns:1fr 1fr; gap:26px; margin-top:2.4em; }
.contact-details h4{ font-size:.78rem; text-transform:uppercase; letter-spacing:.08em; color:var(--gold-ink); margin-bottom:.4em; font-weight:500; font-family:var(--ff-sans); }
.contact-details p{ margin:0; font-size:.95rem; color:var(--ink-soft); }
.contact-details a:hover{ color:var(--navy-900); text-decoration:underline; }

.trust-row{
  display:flex; flex-wrap:wrap; gap:12px; margin-top:2em;
}
.trust-row li{
  display:flex; align-items:center; gap:8px; font-size:.82rem;
  color:var(--navy-800); background:#fff; border:1px solid var(--line);
  padding:.6em 1.1em; border-radius:30px;
}
.trust-icon{ color:var(--gold-ink); font-size:.95rem; }

.split-form{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  padding:36px; box-shadow:var(--shadow);
}
.split-form label{
  display:block; font-size:.78rem; text-transform:uppercase; letter-spacing:.06em;
  color:var(--ink-soft); margin-bottom:16px; font-weight:500;
}
.split-form input, .split-form select, .split-form textarea{
  display:block; width:100%; margin-top:8px; padding:.85em 1em;
  border:1px solid var(--line); border-radius:var(--radius);
  font-family:var(--ff-sans); font-size:.95rem; color:var(--ink); background:var(--paper);
  transition:border-color .2s ease;
}
.split-form input:focus, .split-form select:focus, .split-form textarea:focus{
  outline:none; border-color:var(--gold);
}
.split-form textarea{ resize:vertical; }
.form-note{ text-align:center; font-size:.8rem; color:var(--ink-soft); margin:14px 0 0; }

/* ============ Footer ============ */
#site-footer{ background:var(--navy-950); color:rgba(255,255,255,.7); padding:70px 0 0; }
.footer-inner{ display:flex; justify-content:space-between; gap:60px; flex-wrap:wrap; padding-bottom:50px; border-bottom:1px solid rgba(255,255,255,.1); }
.footer-brand p{ max-width:280px; margin-top:14px; font-size:.9rem; }
.footer-cols{ display:flex; gap:70px; flex-wrap:wrap; }
.footer-cols h5{ font-family:var(--ff-sans); text-transform:uppercase; letter-spacing:.1em; font-size:.78rem; color:var(--gold); margin-bottom:1em; font-weight:500; }
.footer-cols a, .footer-cols span{ display:block; margin-bottom:.7em; font-size:.9rem; }
.footer-cols a:hover{ color:#fff; }
.footer-bottom{ padding:24px 0; text-align:center; font-size:.8rem; }

/* ============ Mobile sticky CTA ============ */
#mobile-cta{
  display:none; position:fixed; left:0; right:0; bottom:0; z-index:950;
  gap:10px; padding:12px 16px; background:rgba(11,20,32,.96);
  backdrop-filter:blur(8px); border-top:1px solid rgba(255,255,255,.1);
  transform:translateY(100%); transition:transform .3s ease;
}
#mobile-cta .btn{ flex:1; padding:.85em 1em; }
#mobile-cta .btn-outline{ border-color:rgba(255,255,255,.4); color:#fff; }
@media (max-width:760px){
  #mobile-cta{ display:flex; }
  #mobile-cta.visible{ transform:translateY(0); }
  #site-footer{ padding-bottom:76px; }
}

/* ============ Scrollspy active nav ============ */
#main-nav a.active{ opacity:1; color:var(--gold); }
#main-nav a.active::after{ width:100%; }

/* ============ Section stacking ============ */
.section, .section-dark, .section-tint, #stats, .section-reach{ position:relative; }
.container{ position:relative; z-index:1; }

/* ============ Back to top ============ */
#back-to-top{
  position:fixed; right:24px; bottom:24px; z-index:900;
  width:46px; height:46px; border-radius:50%; border:none; cursor:pointer;
  background:var(--gold); color:var(--navy-950); font-size:1.1rem;
  box-shadow:var(--shadow); opacity:0; pointer-events:none; transform:translateY(10px);
  transition:all .3s ease;
}
#back-to-top.visible{ opacity:1; pointer-events:auto; transform:translateY(0); }

/* ============ Reveal animation ============ */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s ease; }
.reveal.in-view{ opacity:1; transform:translateY(0); }

/* ============ Responsive ============ */
@media (max-width: 980px){
  .stats-grid{ grid-template-columns:repeat(2,1fr); row-gap:36px; }
  .stat:nth-child(3){ border-left:none; }
  .principles-grid{ grid-template-columns:repeat(2,1fr); }
  .two-col, .split, .feature-row, .contact-details{ grid-template-columns:1fr; }
  .office-row{ grid-template-columns:repeat(2,1fr); }
  .feature-row-rev .feature-media, .feature-row-rev .feature-copy{ order:0; }
  .team-grid{ grid-template-columns:repeat(2,1fr); }
  .logo-grid{ grid-template-columns:repeat(3,1fr); }
  .sustain-grid{ grid-template-columns:repeat(2,1fr); }
}

@media (max-width: 760px){
  #main-nav, .nav-cta{ display:none; }
  #nav-toggle{ display:flex; }
  body.nav-open #main-nav{
    display:block; position:fixed; inset:0; top:0; background:var(--navy-950);
    padding:120px 32px 40px; z-index:999;
  }
  body.nav-open #main-nav ul{ flex-direction:column; gap:26px; }
  body.nav-open #main-nav a{ font-size:1.1rem; }
  .principles-grid{ grid-template-columns:1fr; }
  .team-grid{ grid-template-columns:1fr; }
  .logo-grid{ grid-template-columns:repeat(2,1fr); }
  .sustain-grid{ grid-template-columns:1fr; }
  .section{ padding:76px 0; }
  .hero-actions{ flex-direction:column; align-items:flex-start; }
  .split-form{ padding:24px; }
  .faq-hero{ padding-bottom:36px; }
  .faq-section{ padding-top:20px; }
}