/* ============================================================
   Ventora Glass — Landing Page design tokens + base
   Brand: Ventora green #205C40, Lexend, trade-to-trade
   ============================================================ */

@font-face{
  font-family:'Lexend';
  src:url('../fonts/lexend-var.woff2') format('woff2');
  font-weight:100 900;font-style:normal;font-display:swap;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:'Lexend';
  src:url('../fonts/lexend-var-ext.woff2') format('woff2');
  font-weight:100 900;font-style:normal;font-display:swap;
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1E00-1E9F,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}

:root{
  /* brand colours */
  --green:#205C40;
  --green-deep:#18482F;
  --green-soft:#2C7150;
  --white:#FFFFFF;
  --sec-1:#F1F1F3;
  --sec-2:#D9E2DE;
  --sec-3:#8DA99C;
  --ink:#2D3A3F;
  --grey:#AFB0AE;
  --gold:#E6A124;

  /* semantic */
  --bg:var(--white);
  --text:var(--ink);
  --heading:var(--green);
  --line:#E4E7E6;

  /* type */
  --font:'Lexend','Trebuchet MS',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;

  /* layout */
  --maxw:1180px;
  --maxw-narrow:760px;
  --radius:6px;
  --radius-lg:10px;
  --shadow-sm:0 1px 3px rgba(45,58,63,.08);
  --shadow:0 8px 30px rgba(45,58,63,.10);
  --shadow-lg:0 18px 50px rgba(45,58,63,.16);
  --pad-section:7rem;
}

html,body{background:var(--bg);color:var(--text);font-family:var(--font);font-weight:400;font-size:17px}

/* typography scale */
h1{font-size:clamp(2.3rem,5vw,3.6rem);font-weight:600;letter-spacing:-.02em;color:var(--white)}
h2{font-size:clamp(1.85rem,3.4vw,2.5rem);font-weight:600;letter-spacing:-.015em;color:var(--heading)}
h3{font-size:1.25rem;font-weight:600;color:var(--heading)}
h4{font-size:1.05rem;font-weight:600;color:var(--heading)}
p{max-width:640px}
strong{font-weight:600}

/* layout helpers */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 1.5rem}
.container--narrow{max-width:var(--maxw-narrow)}
.section{padding:var(--pad-section) 0}
.section--tight{padding:4.5rem 0}

.eyebrow{
  display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:.16em;
  text-transform:uppercase;color:var(--green-soft);margin-bottom:1rem;
}
.section-head{text-align:center;margin:0 auto 3.25rem;max-width:680px}
.section-head .eyebrow{color:var(--green-soft)}
.section-head h2{max-width:none}
.section-head p{max-width:none;margin:1rem auto 0;color:var(--ink);opacity:.85}

/* buttons */
.btn{
  display:inline-flex;align-items:center;gap:.6rem;font-weight:600;font-size:1rem;
  padding:.95rem 1.7rem;border-radius:var(--radius);transition:transform .18s ease,background .18s ease,box-shadow .18s ease;
  line-height:1;
}
.btn svg{width:1em;height:1em}
.btn--primary{background:var(--green);color:var(--white);box-shadow:var(--shadow-sm)}
.btn--primary:hover{background:var(--green-deep);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn--gold{background:var(--gold);color:var(--green-deep)}
.btn--gold:hover{filter:brightness(1.05);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--white);border:1.5px solid rgba(255,255,255,.55)}
.btn--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn--lg{padding:1.1rem 2rem;font-size:1.05rem}

/* scroll animations */
.fade-up{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.fade-up.visible{opacity:1;transform:none}
.stagger > *{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.stagger.visible > *{opacity:1;transform:none}
.stagger.visible > *:nth-child(2){transition-delay:.08s}
.stagger.visible > *:nth-child(3){transition-delay:.16s}
.stagger.visible > *:nth-child(4){transition-delay:.24s}
.stagger.visible > *:nth-child(5){transition-delay:.32s}
.stagger.visible > *:nth-child(6){transition-delay:.40s}

@media (prefers-reduced-motion:reduce){
  .fade-up,.stagger > *{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* responsive base */
@media (max-width:900px){
  :root{--pad-section:5rem}
  body{font-size:16px}
}
@media (max-width:600px){
  :root{--pad-section:3.5rem}
  .container{padding:0 1.15rem}
  .section-head{margin-bottom:2.25rem}
}