/* ==========================================================================
   Northern Lights AI Inc — Site Stylesheet
   Palette source: northern-lights-palette-v3
   ========================================================================== */

:root{
  /* Core aurora */
  --void-black:#05070F;
  --deep-violet:#2A0A6E;
  --electric-purple:#7C2BE0;
  --vivid-magenta:#E23FC4;
  --neon-green:#0FFF7A;
  --bright-teal:#22E6D6;

  /* Supporting tones */
  --midnight-sky:#0B0630;
  --deep-emerald:#14A85C;
  --twilight-blue:#1C3FA8;
  --frost-white:#F3EFE2;

  /* Gold */
  --gold-foil-a:#FFDF7E;
  --gold-foil-b:#D4AF37;
  --bright-gold:#FFD700;
  --rich-gold:#C9A227;
  --antique-gold:#8A6A16;

  /* Semantic */
  --bg:            var(--void-black);
  --bg-elevated:   #0C0A22;
  --bg-card:       #10102A;
  --border-soft:   rgba(212,175,55,0.18);
  --text:          var(--frost-white);
  --text-muted:    #B9B6D9;
  --accent-gold:   var(--rich-gold);
  --accent-glow:   var(--neon-green);

  --font-display: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-body: 'Jost', 'Helvetica Neue', Arial, sans-serif;

  --max-width: 1180px;
  --radius: 14px;
  --transition: 240ms cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed; inset:0;
  background-image:url('../img/bg-aurora-curtain.jpg');
  background-size:cover;
  background-position:center top;
  background-repeat:no-repeat;
  opacity:0.95;
  pointer-events:none;
  z-index:0;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  letter-spacing:0.3px;
  margin:0 0 0.5em;
  color:var(--frost-white);
}
h1{ font-size:clamp(2.4rem, 5vw, 4rem); line-height:1.1; font-weight:600; }
h2{ font-size:clamp(1.8rem, 3.2vw, 2.6rem); line-height:1.2; }
h3{ font-size:1.4rem; }
p{ margin:0 0 1em; color:var(--text-muted); }
.container{
  max-width:var(--max-width);
  margin:0 auto;
  padding:0 28px;
  position:relative; z-index:1;
}
.eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--font-body);
  font-size:0.72rem;
  letter-spacing:3.5px;
  text-transform:uppercase;
  color:var(--accent-gold);
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:28px; height:1px;
  background:linear-gradient(90deg, var(--gold-foil-b), transparent);
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:14px 30px;
  border-radius:999px;
  font-family:var(--font-body);
  font-size:0.85rem;
  letter-spacing:1.5px;
  text-transform:uppercase;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  white-space:nowrap;
}
.btn-gold{
  background:linear-gradient(135deg, var(--gold-foil-a), var(--gold-foil-b) 45%, var(--rich-gold) 100%);
  color:var(--void-black);
  font-weight:600;
  box-shadow:0 8px 24px -8px rgba(212,175,55,0.55);
}
.btn-gold:hover{ transform:translateY(-2px); box-shadow:0 12px 30px -8px rgba(212,175,55,0.75); }
.btn-outline{
  background:transparent;
  border-color:rgba(243,239,226,0.35);
  color:var(--frost-white);
}
.btn-outline:hover{ border-color:var(--accent-gold); color:var(--accent-gold); transform:translateY(-2px); }
.btn-ghost{
  background:rgba(243,239,226,0.06);
  color:var(--frost-white);
  border-color:rgba(243,239,226,0.14);
}
.btn-ghost:hover{ background:rgba(243,239,226,0.12); }

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(5,7,15,0.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-soft);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 28px;
  max-width:var(--max-width);
  margin:0 auto;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ height:40px; width:auto; border-radius:8px; }
.brand-name{
  font-family:var(--font-display);
  font-size:1.15rem;
  letter-spacing:0.5px;
  color:var(--frost-white);
  line-height:1.15;
}
.brand-name small{
  display:block;
  font-family:var(--font-body);
  font-size:0.6rem;
  letter-spacing:2.5px;
  text-transform:uppercase;
  color:var(--accent-gold);
  margin-top:2px;
}
.nav-links{
  display:flex; align-items:center; gap:30px;
  list-style:none; margin:0; padding:0;
}
.nav-links a{
  font-size:0.82rem;
  letter-spacing:1px;
  text-transform:uppercase;
  color:var(--text-muted);
  position:relative;
  padding-bottom:4px;
  transition:color var(--transition);
}
.nav-links a:hover, .nav-links a.active{ color:var(--frost-white); }
.nav-links a.active::after{
  content:"";
  position:absolute; left:0; right:0; bottom:-2px;
  height:1px;
  background:linear-gradient(90deg, var(--neon-green), var(--gold-foil-b));
}
.nav-cta{ display:flex; align-items:center; gap:14px; }
.nav-toggle{ display:none; background:none; border:none; color:var(--frost-white); font-size:1.6rem; cursor:pointer; }

@media (max-width: 900px){
  .nav-links{
    position:fixed; inset:72px 0 0 0;
    flex-direction:column; align-items:flex-start;
    background:var(--void-black);
    padding:30px 28px; gap:22px;
    transform:translateY(-12px);
    opacity:0; pointer-events:none;
    transition:opacity var(--transition), transform var(--transition);
    border-top:1px solid var(--border-soft);
  }
  .nav-links.open{ opacity:1; pointer-events:auto; transform:translateY(0); }
  .nav-toggle{ display:block; }
  .nav-cta .btn-outline{ display:none; }
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:120px 0 90px;
  overflow:hidden;
  border-bottom:1px solid var(--border-soft);
}
.hero-bg{
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  opacity:1;
}
.hero-photo-wrap{ position:relative; height:100%; aspect-ratio:1448 / 1086; max-width:100%; }
.hero-photo-wrap img{ width:100%; height:100%; object-fit:contain; display:block; }
.tm{ font-family:var(--font-body); font-size:0.6rem; line-height:1; color:var(--frost-white); vertical-align:baseline; }
.logo-mark{ position:relative; display:inline-flex; }
.logo-mark .tm{ position:absolute; left:66%; top:88%; font-size:0.6rem; font-weight:500; text-shadow:none; background:none; }
.hero-tm{ position:absolute; left:87%; top:39%; font-size:clamp(1rem,2.2vw,1.8rem); font-weight:500; text-shadow:none; background:none; border:none; z-index:3; }
.hero-bg::after{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(90deg, rgba(5,7,15,0.55) 0%, rgba(5,7,15,0.25) 45%, rgba(5,7,15,0) 70%), linear-gradient(180deg, rgba(5,7,15,0) 0%, rgba(5,7,15,0.12) 70%, rgba(5,7,15,0.40) 100%);
}
.hero-inner{ position:relative; z-index:2; max-width:760px; }
.hero p.lead{ font-size:1.15rem; color:var(--text); opacity:0.85; max-width:600px; }
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; margin-top:34px; }

/* ---------- Sections ---------- */
section{ padding:90px 0; position:relative; }
.section-alt{ background:rgba(12,10,34,0.55); border-top:1px solid var(--border-soft); border-bottom:1px solid var(--border-soft); }
.section-head{ max-width:640px; margin-bottom:56px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

.grid{ display:grid; gap:28px; }
.grid-3{ grid-template-columns:repeat(3, 1fr); }
.grid-2{ grid-template-columns:repeat(2, 1fr); }
@media (max-width:860px){ .grid-3, .grid-2{ grid-template-columns:1fr; } }

.card{
  background:var(--bg-card);
  border:1px solid var(--border-soft);
  border-radius:var(--radius);
  padding:34px 30px;
  transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(212,175,55,0.4);
  box-shadow:0 20px 40px -20px rgba(0,0,0,0.6);
}
.card .icon{
  width:46px; height:46px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg, rgba(212,175,55,0.2), rgba(15,255,122,0.08));
  border:1px solid var(--border-soft);
  margin-bottom:18px;
  font-size:1.3rem;
}

/* Square tile cards — used for Blog and Resources listings, same footprint as Service cards */
.card.tile{
  aspect-ratio:1 / 1;
  display:flex;
  flex-direction:column;
  overflow:hidden;
}
.card.tile h3{
  font-size:1.25rem;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card.tile p{
  flex:1;
  display:-webkit-box;
  -webkit-line-clamp:4;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card.tile .pill-outline{ align-self:flex-start; margin-bottom:14px; }
.card.tile .read-more{
  margin-top:auto;
  font-size:0.78rem; letter-spacing:1px; text-transform:uppercase;
}
@media (max-width:520px){
  .card.tile{ aspect-ratio:auto; min-height:220px; }
}

.divider{
  height:1px; width:100%;
  background:linear-gradient(90deg, transparent, var(--gold-foil-b), transparent);
  opacity:0.5;
  margin:0;
}

.gold-text{
  background:linear-gradient(135deg, var(--gold-foil-a), var(--gold-foil-b) 45%, var(--rich-gold));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}

blockquote{
  font-family:var(--font-display);
  font-size:1.5rem;
  line-height:1.5;
  color:var(--frost-white);
  border-left:2px solid var(--gold-foil-b);
  padding-left:24px;
  margin:0 0 16px;
}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--border-soft);
  padding:56px 0 34px;
  background:var(--void-black);
}
.footer-grid{
  display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:36px;
  margin-bottom:40px;
}
@media (max-width:760px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
.footer-col h4{ font-size:0.95rem; color:var(--accent-gold); }
.footer-col ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px; }
.footer-col a{ color:var(--text-muted); font-size:0.9rem; transition:color var(--transition); }
.footer-col a:hover{ color:var(--frost-white); }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;
  padding-top:24px; border-top:1px solid var(--border-soft);
  font-size:0.78rem; color:var(--text-muted); letter-spacing:0.4px;
}

/* ---------- Page header (inner pages) ---------- */
.page-hero{
  padding:70px 0 50px;
  border-bottom:1px solid var(--border-soft);
}
.page-hero .eyebrow{ margin-bottom:14px; }
.page-hero p.lead{ max-width:640px; font-size:1.05rem; }

/* ---------- Forms ---------- */
.field{ margin-bottom:20px; }
.field label{
  display:block; font-size:0.78rem; letter-spacing:1.5px; text-transform:uppercase;
  color:var(--accent-gold); margin-bottom:8px;
}
.field input, .field textarea, .field select{
  width:100%;
  background:var(--bg-card);
  border:1px solid var(--border-soft);
  border-radius:8px;
  padding:13px 16px;
  color:var(--frost-white);
  font-family:var(--font-body);
  font-size:0.95rem;
  transition:border-color var(--transition);
}
.field input:focus, .field textarea:focus, .field select:focus{
  outline:none; border-color:var(--accent-gold);
}
.field textarea{ resize:vertical; min-height:140px; }

/* ---------- Utility ---------- */
.text-center{ text-align:center; }
.mt-0{ margin-top:0; }
.tag{
  display:inline-block; font-size:0.7rem; letter-spacing:1.5px; text-transform:uppercase;
  color:var(--midnight-sky); background:var(--bright-teal);
  padding:5px 12px; border-radius:999px; margin:0 8px 8px 0;
}
.pill-outline{
  display:inline-block; font-size:0.72rem; letter-spacing:1.2px; text-transform:uppercase;
  color:var(--text-muted); border:1px solid var(--border-soft);
  padding:5px 12px; border-radius:999px; margin:0 8px 8px 0;
}

.empty-state{
  border:1px dashed var(--border-soft);
  border-radius:var(--radius);
  padding:40px;
  text-align:center;
  color:var(--text-muted);
}

.edit-note{
  font-size:0.8rem;
  color:var(--bright-teal);
  border:1px dashed rgba(34,230,214,0.4);
  border-radius:10px;
  padding:12px 16px;
  margin-bottom:28px;
  background:rgba(34,230,214,0.05);
}
.edit-note strong{ color:var(--bright-teal); }