/* ==========================================================
   Basin Business Standalone Landing Pages — styles.css
   Minimal + on-brand (silver / blue / green)
   Clean, local-friendly, high readability over hero imagery
   ========================================================== */

/* -----------------------------
   1) Design tokens
------------------------------ */
:root{
  --bg: #0B1220;
  --bg2:#07101F;
  --panel:#0F1B33;
  --text:#EAF0FF;
  --muted:#B8C2DD;
  --silver:#C7CCD1;
  --blue:#1E6EEB;
  --green:#19C37D;

  --line: rgba(199,204,209,.18);
  --shadow: 0 18px 50px rgba(0,0,0,.35);
  --shadow2: 0 10px 26px rgba(0,0,0,.28);

  --radius: 18px;
  --radius2: 26px;
  --max: 1160px;

  --ease: cubic-bezier(.2,.8,.2,1);
  --fast: 160ms;
  --med: 320ms;
  --slow: 650ms;

  --h1: clamp(28px, 2.2vw + 14px, 44px);
  --h3: clamp(18px, 1vw + 14px, 24px);

  /* default hero image (overridden per page class below) */
  --hero-image: url("assets/hero-consulting.jpg");
}

/* Page-specific hero images */
body.page-fieldops{ --hero-image: url("assets/hero-oilfield.jpg"); }
body.page-localroots{ --hero-image: url("assets/hero-local.jpg"); }

/* -----------------------------
   2) Base / reset
------------------------------ */
*,
*::before,
*::after{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin:0;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 15% 10%, rgba(30,110,235,.20), transparent 60%),
    radial-gradient(900px 500px at 85% 20%, rgba(25,195,125,.18), transparent 55%),
    radial-gradient(700px 500px at 60% 100%, rgba(199,204,209,.08), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.45;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img{ max-width:100%; display:block; }

a{
  color: inherit;
  text-decoration-color: rgba(234,240,255,.35);
  text-underline-offset: 3px;
}

a:hover{ text-decoration-color: rgba(25,195,125,.7); }

::selection{ background: rgba(30,110,235,.35); }

.wrap{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

/* Accessible skip link */
.skip{
  position:absolute;
  left:-9999px;
  top:auto;
  width:1px;
  height:1px;
  overflow:hidden;
}
.skip:focus{
  left: 16px;
  top: 16px;
  width:auto;
  height:auto;
  padding:10px 12px;
  background:#000;
  border-radius: 10px;
  z-index: 9999;
}

/* Subtle tech grid */
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity:.18;
  mix-blend-mode: overlay;
}

/* -----------------------------
   3) Header (no nav)
------------------------------ */
.site-header{
  position: sticky;
  top: 0;
  z-index: 200;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(11,18,32,.90), rgba(11,18,32,.58));

  /* Optional polish: stronger divider */
  border-bottom: 1px solid rgba(199,204,209,.28);
}

.header-inner{
  display:grid;
  grid-template-columns: 220px 1fr;
  align-items:center;
  gap: 14px;
  padding: 14px 0;
}

/* (Used by upgraded standalone header markup) */
.header-inner--solo{
  grid-template-columns: 220px 1fr;
}

.brand a{
  display:inline-flex;
  align-items:center;
  border-radius: 14px;
}

.brand img{
  width: 200px;
  height: auto;
  filter: drop-shadow(0 10px 20px rgba(0,0,0,.42));
  transition: transform var(--med) var(--ease), filter var(--med) var(--ease);
}

.brand a:hover img{
  transform: translateY(-1px);
  filter: drop-shadow(0 14px 26px rgba(0,0,0,.52));
}

.page-title{
  text-align:center;
  display:flex;
  flex-direction: column;
  justify-content:center;
}

/* Bolder header option (still professional) */
.page-title h1{
  margin:0;
  font-size: 30px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--silver);
  font-weight: 900;
}

.page-title p{
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 17px;
  font-weight: 600;
}

/* -----------------------------
   4) Layout + Sections
------------------------------ */
main{
  padding: 22px 0 70px;
}

.section{
  margin-top: 26px;
}

.section h3{
  margin:0 0 10px;
  font-size: var(--h3);
  letter-spacing: -.01em;
}

.section p{
  margin:0;
  color: rgba(234,240,255,.86);
}

/* -----------------------------
   5) Hero (readable, darker overlay)
------------------------------ */
.hero{
  margin-top: 18px;
  border-radius: var(--radius2);
  border: 1px solid var(--line);
  overflow:hidden;
  box-shadow: var(--shadow);
  position: relative;
  isolation: isolate;

  /* Darker overlay to match main site readability */
  background:
    linear-gradient(
      120deg,
      rgba(11,18,32,.65),
      rgba(11,18,32,.92)
    ),
    var(--hero-image) center/cover no-repeat;

  /* Subtle image mute so text wins */
  filter: saturate(.85) contrast(.95);
}

.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(
      900px 400px at 20% 30%,
      rgba(30,110,235,.18),
      transparent 60%
    ),
    radial-gradient(
      900px 400px at 80% 35%,
      rgba(25,195,125,.14),
      transparent 60%
    ),
    linear-gradient(
      180deg,
      rgba(11,18,32,.35),
      rgba(11,18,32,.75)
    );
  pointer-events:none;
  z-index:0;
}

.hero-inner{
  position: relative;
  z-index: 1;
  padding: 42px 26px;
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 22px;
  align-items: center;
}

/* subtle scan line */
.hero-inner::after{
  content:"";
  position:absolute;
  left:-20%;
  top: 14px;
  width: 140%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(199,204,209,.28), transparent);
  opacity: .6;
  transform: translateX(-40%);
  animation: scanline 7.5s var(--ease) infinite;
  pointer-events:none;
}

@keyframes scanline{
  0%   { transform: translateX(-40%); opacity:.35; }
  45%  { opacity:.7; }
  100% { transform: translateX(40%); opacity:.35; }
}

.kicker{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(199,204,209,.22);
  background: rgba(15,27,51,.42);
  color: var(--silver);
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: 12px;
}

.hero h2{
  margin: 14px 0 10px;
  font-size: var(--h1);
  line-height: 1.05;
  letter-spacing: -.02em;
}

.accent{
  background: linear-gradient(90deg, var(--blue), var(--green));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p{
  margin:0;
  color: rgba(234,240,255,.90);
  max-width: 62ch;
}

/* -----------------------------
   6) Buttons
------------------------------ */
.hero-actions{
  display:flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid rgba(199,204,209,.22);
  background: rgba(15,27,51,.52);
  font-weight: 900;
  text-decoration:none;
  cursor:pointer;
  user-select:none;
  white-space: nowrap;
  transition:
    transform var(--fast) var(--ease),
    background var(--fast) var(--ease),
    border-color var(--fast) var(--ease),
    box-shadow var(--fast) var(--ease),
    filter var(--fast) var(--ease);
}

.btn:hover{
  transform: translateY(-1px);
  border-color: rgba(199,204,209,.35);
  background: rgba(15,27,51,.72);
  box-shadow: 0 14px 28px rgba(0,0,0,.22);
}

.btn.primary{
  background: linear-gradient(90deg, rgba(30,110,235,.96), rgba(25,195,125,.86));
  border-color: rgba(255,255,255,.16);
  box-shadow: 0 16px 34px rgba(25,195,125,.14);
}

.btn.primary:hover{
  box-shadow: 0 22px 52px rgba(30,110,235,.18);
  filter: saturate(1.05);
}

.btn:focus-visible{
  outline: 3px solid rgba(30,110,235,.55);
  outline-offset: 2px;
}

/* -----------------------------
   7) Hero right panel + chips
------------------------------ */
.hero-right{
  border: 1px solid rgba(199,204,209,.18);
  background: rgba(15,27,51,.52);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow2);
}

.hero-right-title{
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--silver);
}

.hero-right-note{
  margin-top: 14px;
  color: var(--muted);
  font-size: 13px;
}

.quick-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}

.chip{
  border: 1px solid rgba(199,204,209,.18);
  background: rgba(11,18,32,.35);
  padding: 12px;
  border-radius: 14px;
  font-size: 13px;
  font-weight: 800;
  color: rgba(234,240,255,.92);
  transition: transform var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.chip:hover{
  transform: translateY(-1px);
  border-color: rgba(25,195,125,.35);
}

.chip small{
  display:block;
  margin-top: 6px;
  color: var(--muted);
  font-weight: 700;
}

/* -----------------------------
   8) Cards + Split Panels
------------------------------ */
.cards{
  margin-top: 14px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.card{
  border: 1px solid rgba(199,204,209,.18);
  background: rgba(15,27,51,.46);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: 0 14px 30px rgba(0,0,0,.20);
  transition:
    transform var(--fast) var(--ease),
    border-color var(--fast) var(--ease),
    background var(--fast) var(--ease);
}

.card:hover{
  transform: translateY(-2px);
  border-color: rgba(30,110,235,.30);
  background: rgba(15,27,51,.58);
}

.card h4{
  margin:0 0 8px;
  font-size: 16px;
  letter-spacing: -.01em;
}

.subtext{
  margin: 0;
  color: var(--muted);
  font-weight: 650;
}

.card ul{
  margin: 10px 0 0;
  padding-left: 18px;
  color: rgba(234,240,255,.86);
}

.card li{ margin: 6px 0; }

.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 14px;
}

.panel{
  border: 1px solid rgba(199,204,209,.18);
  background: rgba(15,27,51,.45);
  border-radius: var(--radius2);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition:
    transform var(--fast) var(--ease),
    border-color var(--fast) var(--ease);
}

.panel:hover{
  transform: translateY(-2px);
  border-color: rgba(25,195,125,.30);
}

.panel-media{
  height: 210px;
  background: #111;
  position: relative;
  overflow:hidden;
}

.panel-media::after{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(180deg, transparent, rgba(11,18,32,.52));
  pointer-events:none;
}

.panel-media img{
  width:100%;
  height:100%;
  object-fit: cover;
  filter: contrast(1.06) saturate(1.07);
  transform: scale(1.02);
  transition: transform var(--slow) var(--ease);
}

.panel:hover .panel-media img{
  transform: scale(1.06);
}

.panel-body{
  padding: 18px;
}

.panel-body .tag{
  display:inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  font-weight: 950;
  font-size: 12px;
  letter-spacing: .10em;
  text-transform: uppercase;
  border: 1px solid rgba(199,204,209,.22);
  background: rgba(11,18,32,.35);
  color: var(--silver);
}

.panel-body h4{
  margin: 10px 0 8px;
  font-size: 18px;
}

.panel-body p{
  margin:0 0 12px;
  color: rgba(234,240,255,.86);
}

.panel-body ul{
  margin:0;
  padding-left: 18px;
  color: rgba(234,240,255,.86);
}

/* -----------------------------
   9) Utility + Reveal
------------------------------ */
.hr{
  height:1px;
  background: linear-gradient(90deg, transparent, rgba(199,204,209,.22), transparent);
  margin: 18px 0;
}

.reveal{
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--slow) var(--ease), transform var(--slow) var(--ease);
}

.reveal.in{
  opacity: 1;
  transform: translateY(0);
}

/* -----------------------------
   10) Footer (simple)
------------------------------ */
.site-footer{
  border-top: 1px solid var(--line);
  background: rgba(11,18,32,.62);
  padding: 18px 0;
  color: rgba(234,240,255,.82);
}

.footer-meta{
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

/* -----------------------------
   11) Responsive
------------------------------ */
@media (max-width: 980px){
  .header-inner{
    grid-template-columns: 170px 1fr;
  }
  .brand img{ width:170px; }

  /* keep header bold but not massive on tablets */
  .page-title h1{ font-size: 24px; letter-spacing: .12em; }
  .page-title p{ font-size: 15px; }

  .hero-inner{ grid-template-columns: 1fr; }
  .cards{ grid-template-columns: 1fr; }
  .split{ grid-template-columns: 1fr; }
}

@media (max-width: 520px){
  .hero-inner{ padding: 32px 18px; }
  .hero-actions{ gap: 10px; }
  .btn{ width:100%; }

  .page-title h1{ font-size: 20px; letter-spacing: .10em; }
  .page-title p{ font-size: 14px; }
}

/* -----------------------------
   12) Reduced motion
------------------------------ */
@media (prefers-reduced-motion: reduce){
  *{
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}