/* Sundance Energy — independent energy field guide
   Industrial-modern design system: deep petroleum teal + ember amber on warm sandstone.
   Custom CSS (no heavy framework). Content is always visible with CSS alone. */

:root{
  --teal-900:#0a2b33;
  --teal:#0E3A44;
  --teal-700:#124a58;
  --teal-600:#166173;
  --amber:#E4820B;
  --amber-700:#c26c05;
  --sand:#F5F1EA;
  --sand-2:#ece3d4;
  --ink:#1C2529;
  --muted:#586069;
  --line:#e2dccf;
  --white:#ffffff;
  --maxw:1160px;
  --readw:760px;
  --radius:12px;
  --shadow:0 10px 30px rgba(10,43,51,.10);
  --shadow-sm:0 3px 10px rgba(10,43,51,.08);
  --font-head:"Barlow","Segoe UI",system-ui,sans-serif;
  --font-body:"Source Sans 3","Segoe UI",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--sand);
  font-size:1.06rem;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--teal-600);text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:1px;}
a:hover{color:var(--amber-700);}

h1,h2,h3,h4{font-family:var(--font-head);color:var(--teal);line-height:1.15;font-weight:700;letter-spacing:-.01em;}
h1{font-size:clamp(2rem,4.4vw,3rem);font-weight:800;margin:.2em 0 .5em;}
h2{font-size:clamp(1.4rem,2.6vw,1.85rem);margin:2.1em 0 .55em;}
h3{font-size:1.25rem;margin:1.6em 0 .4em;}
p{margin:0 0 1.1em;}
strong{color:var(--teal-900);}
ul,ol{margin:0 0 1.2em;padding-left:1.25em;}
li{margin:.35em 0;}

.container{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:linear-gradient(180deg,var(--teal) 0%,var(--teal-700) 100%);
  border-bottom:3px solid var(--amber);
  box-shadow:var(--shadow-sm);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.7rem 1.25rem;max-width:var(--maxw);margin:0 auto;}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--white);}
.brand-mark{
  width:38px;height:38px;border-radius:9px;flex:0 0 auto;
  background:radial-gradient(circle at 30% 30%,var(--amber),var(--amber-700));
  display:grid;place-items:center;color:#fff;font-family:var(--font-head);font-weight:800;font-size:1.25rem;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.18);
}
.brand-text{display:flex;flex-direction:column;line-height:1.05;}
.brand-name{font-family:var(--font-head);font-weight:800;letter-spacing:.06em;font-size:1.05rem;text-transform:uppercase;color:#fff;}
.brand-tag{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:#bfe0dd;}

.nav{display:flex;align-items:center;gap:.35rem;}
.nav a{
  color:#e9f3f1;text-decoration:none;font-family:var(--font-head);font-weight:600;
  font-size:.94rem;padding:.5rem .7rem;border-radius:8px;letter-spacing:.01em;white-space:nowrap;
}
.nav a:hover,.nav a[aria-current="page"]{background:rgba(255,255,255,.12);color:#fff;}
.nav-toggle{display:none;background:transparent;border:1.5px solid rgba(255,255,255,.4);border-radius:8px;color:#fff;padding:.4rem .55rem;cursor:pointer;}
.nav-toggle svg{display:block;}

/* ---------- Hero media (home / insights) ---------- */
.hero-media{position:relative;background:var(--teal-900);}
.hero-media img{width:100%;max-height:440px;object-fit:cover;opacity:.92;}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,43,51,.15),rgba(10,43,51,.55));}

/* ---------- Main / article ---------- */
main{display:block;}
.article{max-width:var(--readw);margin:0 auto;padding:2.4rem 1.25rem 3rem;}
.article.wide{max-width:var(--maxw);}
.lead{font-size:1.22rem;line-height:1.6;color:#33414a;font-weight:400;margin-bottom:1.4em;}
.article h1{margin-top:0;}

.inline-media{margin:1.8rem 0 2rem;}
.inline-media img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow);}
.inline-media figcaption{font-size:.86rem;color:var(--muted);margin-top:.55rem;text-align:center;font-style:italic;}

/* ---------- Callout / disclaimer ---------- */
.callout{
  background:var(--white);border:1px solid var(--line);border-left:5px solid var(--amber);
  border-radius:10px;padding:1rem 1.15rem;margin:1.6rem 0;box-shadow:var(--shadow-sm);
}
.callout p{margin:0;font-size:.98rem;color:#3a444c;}
.callout-disclaimer{background:#fbf7ef;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;background:var(--amber);color:#fff;text-decoration:none;
  font-family:var(--font-head);font-weight:700;letter-spacing:.02em;
  padding:.7rem 1.3rem;border-radius:10px;border:none;cursor:pointer;font-size:1rem;
  box-shadow:var(--shadow-sm);transition:transform .15s ease,background .15s ease,box-shadow .15s ease;
}
.btn:hover{background:var(--amber-700);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow);}

/* ---------- Home hero band ---------- */
.hero{position:relative;color:#fff;}
.hero-inner{position:absolute;inset:0;display:flex;align-items:flex-end;}
.hero-copy{max-width:var(--maxw);margin:0 auto;width:100%;padding:0 1.25rem 2rem;}
.hero-copy h1{color:#fff;text-shadow:0 2px 18px rgba(0,0,0,.4);max-width:16ch;}
.hero-copy .kicker{display:inline-block;background:var(--amber);color:#fff;font-family:var(--font-head);font-weight:700;text-transform:uppercase;letter-spacing:.12em;font-size:.72rem;padding:.3rem .7rem;border-radius:6px;margin-bottom:.8rem;}

/* ---------- Card grid (home sections) ---------- */
.section-alt{background:var(--sand-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.1rem;margin:1.6rem 0;}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem 1.25rem;
  box-shadow:var(--shadow-sm);transition:transform .15s ease,box-shadow .15s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.card h3{margin:.1rem 0 .4rem;}
.card p{margin:0 0 .7rem;font-size:.98rem;color:#47525b;}
.card a.more{font-family:var(--font-head);font-weight:700;text-decoration:none;color:var(--amber-700);font-size:.94rem;}
.card a.more:hover{color:var(--teal);}

/* ---------- Contact form ---------- */
.contact-form{display:flex;flex-direction:column;gap:.4rem;margin:1.4rem 0;max-width:560px;}
.contact-form label{font-family:var(--font-head);font-weight:600;color:var(--teal);font-size:.92rem;margin-top:.5rem;}
.contact-form input,.contact-form select,.contact-form textarea{
  font-family:var(--font-body);font-size:1rem;padding:.65rem .8rem;border:1px solid #cfc8b8;border-radius:9px;background:#fff;color:var(--ink);
}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:2px solid var(--amber);border-color:var(--amber);}
.contact-form button{margin-top:1rem;align-self:flex-start;}

/* ---------- Footer ---------- */
.site-footer{background:var(--teal-900);color:#cfe0dd;margin-top:2rem;}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:2.4rem 1.25rem 1.4rem;display:grid;grid-template-columns:2fr 1fr 1fr;gap:2rem;}
.site-footer h4{color:#fff;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;margin:0 0 .8rem;}
.site-footer a{color:#bcd4d0;text-decoration:none;}
.site-footer a:hover{color:var(--amber);}
.footer-brand .brand-name{color:#fff;}
.footer-links ul{list-style:none;margin:0;padding:0;}
.footer-links li{margin:.3rem 0;}
.footer-about p{font-size:.92rem;color:#a9c3bf;margin:.2rem 0 0;}
.footer-disclaimer{max-width:var(--maxw);margin:0 auto;padding:1rem 1.25rem 1.6rem;border-top:1px solid rgba(255,255,255,.1);font-size:.82rem;color:#8fadaa;}
.footer-bottom{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem 1.8rem;font-size:.85rem;color:#87a4a1;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem;}

/* ---------- Simple page header band (pages without hero image) ---------- */
.page-band{background:linear-gradient(180deg,var(--teal-700),var(--teal));color:#fff;border-bottom:3px solid var(--amber);}
.page-band .container{padding-top:1.4rem;padding-bottom:1.4rem;}
.page-band .eyebrow{font-family:var(--font-head);text-transform:uppercase;letter-spacing:.14em;font-size:.72rem;color:#bfe0dd;}

/* ---------- Entrance animation (CSS-only, ends visible) ---------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:none;}}
.reveal{animation:fadeUp .6s ease both;}
/* Safeguard: never leave content hidden waiting on JS */
[data-aos]{opacity:1 !important;transform:none !important;}
@media (prefers-reduced-motion:reduce){.reveal{animation:none;}}

/* ---------- 404 ---------- */
.notfound{max-width:var(--readw);margin:0 auto;padding:4rem 1.25rem;text-align:center;}
.notfound .code{font-family:var(--font-head);font-weight:800;font-size:5rem;color:var(--amber);line-height:1;}

/* ---------- Responsive ---------- */
@media (max-width:820px){
  .footer-inner{grid-template-columns:1fr 1fr;}
  .footer-about{grid-column:1 / -1;}
}
@media (max-width:680px){
  .nav-toggle{display:inline-flex;}
  .nav{
    position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;
    background:var(--teal-700);border-bottom:3px solid var(--amber);padding:.4rem .75rem .8rem;
    display:none;
  }
  .nav.open{display:flex;}
  .nav a{padding:.7rem .6rem;border-radius:6px;}
  .header-inner{position:relative;flex-wrap:wrap;}
  .hero-media img{max-height:300px;}
  .footer-inner{grid-template-columns:1fr;gap:1.3rem;}
  .lead{font-size:1.12rem;}
}