/* =========================================================
   THE VEOLIA PROMISE — Delivering More for Richmond
   Design System + Layout + Motion
   ========================================================= */

/* ---------- 1. Design Tokens ---------- */
:root {
  --magenta:#d21f60; --purple:#48167e; --navy:#111a4c; --aqua:#006490;
  --black:#0b0e1a; --white:#ffffff;
  --grey-50:#f7f8fa; --grey-100:#eef0f4; --grey-200:#dfe3ea;
  --grey-400:#9aa2b1; --grey-600:#5b6474; --grey-800:#2a3142;

  --grad-ray: linear-gradient(160deg, var(--magenta) 0%, #a21e73 55%, var(--purple) 100%);
  --grad-ray-h: linear-gradient(90deg, var(--magenta) 0%, var(--purple) 100%);

  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;

  --maxw:1160px; --gap:clamp(1rem,3vw,2rem);
  --section-y:clamp(3.5rem,9vw,7rem);
  --radius:14px;
  --shadow-sm:0 2px 10px rgba(17,26,76,.06);
  --shadow-md:0 12px 34px rgba(17,26,76,.12);
  --shadow-lg:0 24px 60px rgba(17,26,76,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. Reset ---------- */
*,*::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(--navy);background:var(--white);line-height:1.6;overflow-x:hidden;}
img,svg{max-width:100%;display:block;}
a{color:var(--aqua);text-decoration:none;}
a:hover{text-decoration:underline;}
h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.05;margin:0;letter-spacing:.5px;}

/* ---------- 3. Layout helpers ---------- */
.container{width:min(100% - 2.5rem,var(--maxw));margin-inline:auto;}
.section{padding-block:var(--section-y);}
.eyebrow{font-family:var(--font-display);text-transform:uppercase;letter-spacing:3px;font-weight:600;font-size:.82rem;color:var(--magenta);margin-bottom:.75rem;}
.text-center{text-align:center;}
.grad-text{background:var(--grad-ray-h);-webkit-background-clip:text;background-clip:text;color:transparent;}
.ray-divider{width:64px;height:5px;border-radius:4px;background:var(--grad-ray-h);margin:1.25rem 0;}
.ray-divider.center{margin-inline:auto;}

/* ---------- 4. Header / Nav ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:.75rem clamp(1rem,4vw,2.5rem);
  background:rgba(255,255,255,0);
  transition:background .35s var(--ease),box-shadow .35s var(--ease),padding .35s var(--ease);
}
.site-header.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(10px);box-shadow:var(--shadow-sm);padding-block:.5rem;}
.site-header .logo{display:flex;align-items:center;text-decoration:none;}
.nav-mark{font-family:var(--font-display);font-weight:700;text-transform:uppercase;letter-spacing:.5px;line-height:1;white-space:nowrap;font-size:clamp(1.15rem,2vw,1.45rem);color:var(--navy);}
.nav-mark span{color:var(--magenta);}
.site-header .logo:hover{text-decoration:none;}
.site-header .btn{white-space:nowrap;}
/* On the transparent (unscrolled) header over the hero photo, make nav text white */
.site-header:not(.scrolled) .nav-mark{color:#fff;}
.site-header:not(.scrolled) .nav-mark span{color:#ff7bab;}
@media (max-width:560px){
  .site-header{padding-inline:1rem;gap:.6rem;}
  .nav-mark{font-size:1rem;}
  .site-header .btn{font-size:.7rem;padding:.55rem .9rem;letter-spacing:.5px;}
}

.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--font-display);font-weight:600;letter-spacing:1px;text-transform:uppercase;font-size:.85rem;
  padding:.7rem 1.4rem;border-radius:999px;border:2px solid transparent;cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.btn-primary{color:#fff;background:var(--grad-ray-h);box-shadow:0 8px 20px rgba(210,31,96,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(210,31,96,.4);text-decoration:none;}
.btn-ghost{color:var(--navy);border-color:var(--grey-200);background:#fff;}
.btn-ghost:hover{border-color:var(--magenta);color:var(--magenta);text-decoration:none;}
/* ghost button variant for use over the dark hero photo */
.btn-ghost-light{color:#fff;border-color:rgba(255,255,255,.65);background:rgba(255,255,255,.08);}
.btn-ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.16);color:#fff;text-decoration:none;}

/* ---------- 5. Hero (full-bleed background image) ----------
   Swap the background photo by changing --hero-img on the .hero element
   (set inline in index.html). One-line swap for the Bay photo later. */
.hero{
  position:relative;min-height:100svh;
  display:grid;place-items:center;text-align:center;
  padding:7rem 1.25rem 5rem;color:#fff;overflow:hidden;isolation:isolate;
}
.hero__bg{position:absolute;inset:0;z-index:-2;}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:center 40%;}
/* Brand gradient scrim keeps text readable + pulls the photo into palette */
.hero__scrim{
  position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(180deg, rgba(17,26,76,.42) 0%, rgba(17,26,76,.12) 40%, rgba(17,26,76,.55) 100%),
    linear-gradient(120deg, rgba(17,26,76,.45) 0%, rgba(72,22,126,.28) 55%, rgba(0,100,144,.18) 100%);
}
.hero__inner{width:min(100% - 1rem,880px);position:relative;z-index:1;}

/* Brand plate (glassy so photo reads behind it) */
.hero__lockup{
  display:inline-flex;align-items:center;justify-content:center;
  gap:clamp(.5rem,1.4vw,1rem);flex-wrap:nowrap;
  padding:clamp(1rem,2.6vw,1.5rem) clamp(1.3rem,3.2vw,2rem);
  margin-bottom:clamp(1.75rem,4vw,2.5rem);
  background:rgba(255,255,255,.94);
  border-radius:24px;
  box-shadow:0 24px 60px rgba(0,0,0,.35);
  backdrop-filter:blur(4px);
  position:relative;
}
.hero__lockup::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:0;width:72%;height:4px;border-radius:4px 4px 0 0;background:var(--grad-ray-h);opacity:.9;}
.hero__sun{width:clamp(100px,13vw,150px);margin:0;flex:none;}
.hero__sun svg{width:100%;height:auto;overflow:visible;}

.wordmark{display:flex;flex-direction:column;align-items:flex-start;text-align:left;line-height:.9;}
.wm-line{font-family:var(--font-display);font-weight:700;text-transform:uppercase;letter-spacing:.5px;font-size:clamp(1.7rem,4.6vw,3rem);}
.wm-the,.wm-veolia{color:var(--navy);}
.wm-promise{color:var(--magenta);}
.wm-rule{width:64px;height:6px;border-radius:3px;background:var(--magenta);margin:.55rem 0 .5rem;}
.wm-tag{font-family:var(--font-display);font-weight:600;text-transform:uppercase;letter-spacing:2.5px;font-size:clamp(.56rem,1.2vw,.78rem);color:var(--navy);}
.wm-tag b{color:var(--magenta);font-weight:600;}

.hero h1{font-size:clamp(2.4rem,7vw,5rem);color:#fff;text-transform:uppercase;text-shadow:0 2px 24px rgba(0,0,0,.35);}
.hero p.lead{max-width:60ch;margin:1.25rem auto 0;color:rgba(255,255,255,.92);font-size:clamp(1rem,1.4vw,1.15rem);text-shadow:0 1px 12px rgba(0,0,0,.35);}
.hero__cta{margin-top:2rem;display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap;}
.scroll-cue{position:absolute;bottom:1.5rem;left:50%;transform:translateX(-50%);color:rgba(255,255,255,.85);width:26px;animation:bob 2s var(--ease) infinite;z-index:1;}
@keyframes bob{0%,100%{transform:translate(-50%,0);}50%{transform:translate(-50%,8px);}}
.scroll-cue svg{width:26px;height:26px;display:block;}

/* ---------- 6. Intro ---------- */
.intro__grid{display:grid;gap:clamp(1.5rem,4vw,3rem);grid-template-columns:1fr;align-items:center;}
@media (min-width:860px){.intro__grid{grid-template-columns:1.1fr .9fr;}}
.intro h2{font-size:clamp(1.8rem,4vw,2.8rem);color:var(--navy);text-transform:uppercase;}
.intro .sub{font-family:var(--font-display);color:var(--purple);text-transform:uppercase;letter-spacing:1px;font-size:1.1rem;margin-top:.5rem;}
.intro p{color:var(--grey-800);margin:1rem 0;}
.media-frame{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md);aspect-ratio:4/3;}
.media-frame img{width:100%;height:100%;object-fit:cover;}
.duotone{position:relative;}
.duotone img{filter:grayscale(1) contrast(1.05);}
.duotone::after{content:"";position:absolute;inset:0;background:linear-gradient(150deg,rgba(210,31,96,.55),rgba(72,22,126,.6));mix-blend-mode:multiply;}
.duotone::before{content:"";position:absolute;inset:0;z-index:2;background:linear-gradient(180deg,transparent 55%,rgba(17,26,76,.35));}

/* ---------- 7. Stats / Track Record ---------- */
.track{background:var(--grey-50);}
.stats-grid{display:grid;gap:1rem;margin-top:2.5rem;grid-template-columns:repeat(2,1fr);}
@media (min-width:720px){.stats-grid{grid-template-columns:repeat(4,1fr);}}
.stat{background:#fff;border-radius:var(--radius);padding:1.6rem 1.2rem;box-shadow:var(--shadow-sm);border-top:4px solid transparent;border-image:var(--grad-ray-h) 1;position:relative;}
.stat .num{font-family:var(--font-display);font-weight:700;line-height:1;font-size:clamp(1.9rem,4.5vw,2.8rem);color:var(--magenta);}
.stat .num .suffix{color:var(--purple);}
.stat .label{font-size:.92rem;color:var(--grey-800);margin-top:.5rem;}
.stat--wide{grid-column:span 2;}

/* ---------- 8. Photo band ---------- */
.band{position:relative;min-height:44vh;display:grid;place-items:center;color:#fff;text-align:center;overflow:hidden;}
.band .band__bg{position:absolute;inset:0;}
.band .band__bg img{width:100%;height:100%;object-fit:cover;}
.band .band__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(17,26,76,.86),rgba(72,22,126,.72) 60%,rgba(0,100,144,.6));}
.band .container{position:relative;z-index:2;}
.band h2{font-size:clamp(1.6rem,4vw,2.6rem);text-transform:uppercase;}
.band p{max-width:60ch;margin:1rem auto 0;color:rgba(255,255,255,.9);}

/* ---------- 9. Pillars ---------- */
.pillars-grid{display:grid;gap:1.25rem;grid-template-columns:1fr;margin-top:2.5rem;}
@media (min-width:620px){.pillars-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1000px){.pillars-grid{grid-template-columns:repeat(4,1fr);}}
.pillar{background:#fff;border:1px solid var(--grey-100);border-radius:var(--radius);padding:1.75rem 1.5rem;box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),box-shadow .3s var(--ease);}
.pillar:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);}
.pillar .ic{width:54px;height:54px;display:grid;place-items:center;border-radius:14px;color:#fff;background:var(--grad-ray);margin-bottom:1rem;}
.pillar .ic svg{width:30px;height:30px;}
.pillar h3{font-size:1.15rem;color:var(--navy);text-transform:uppercase;}
.pillar p{color:var(--grey-600);font-size:.95rem;margin:.6rem 0 0;}

/* ---------- 10. The 10 Commitments ---------- */
.promise{background:var(--navy);color:#fff;position:relative;}
.promise .eyebrow{color:#ff5c93;}
.promise h2{color:#fff;font-size:clamp(1.9rem,4.5vw,3rem);text-transform:uppercase;}
.promise .sub{color:rgba(255,255,255,.85);font-family:var(--font-display);text-transform:uppercase;letter-spacing:1px;margin-top:.5rem;}
.promise__layout{display:grid;gap:clamp(2rem,5vw,4rem);grid-template-columns:1fr;margin-top:3rem;}
@media (min-width:980px){.promise__layout{grid-template-columns:360px 1fr;align-items:stretch;}}
.promise__visual{position:relative;}
.ray-fan{width:100%;max-width:340px;margin:0 auto;}
@media (min-width:980px){.ray-fan{position:sticky;top:130px;}}
.ray-fan svg{width:100%;height:auto;overflow:visible;}
.commit-list{display:grid;gap:1rem;}
.commit{display:grid;grid-template-columns:auto 1fr;gap:1.1rem;align-items:start;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);border-radius:var(--radius);padding:1.25rem 1.35rem;transition:transform .3s var(--ease),background .3s var(--ease),border-color .3s var(--ease);}
.commit:hover{transform:translateX(6px);background:rgba(255,255,255,.09);border-color:rgba(255,92,147,.5);}
.commit__num{font-family:var(--font-display);font-weight:700;line-height:.9;font-size:2.4rem;width:2.4ch;text-align:center;background:var(--grad-ray-h);-webkit-background-clip:text;background-clip:text;color:transparent;}
.commit__head{display:flex;align-items:center;gap:.6rem;}
.commit__ic{width:30px;height:30px;color:#ff5c93;flex:none;display:grid;place-items:center;}
.commit__ic svg{width:30px;height:30px;display:block;}
.commit h3{font-size:1.1rem;color:#fff;text-transform:uppercase;}
.commit p{color:rgba(255,255,255,.75);font-size:.95rem;margin:.35rem 0 0;}

/* ---------- 11. Closer / Footer ---------- */
.closer{text-align:center;background:var(--grey-50);}
.equation{font-family:var(--font-display);text-transform:uppercase;letter-spacing:1px;font-size:clamp(1.1rem,2.6vw,1.7rem);color:var(--navy);line-height:1.4;}
.equation .plus,.equation .eq{color:var(--aqua);}
.equation strong{color:var(--magenta);}
.closer .promise-name{font-family:var(--font-display);text-transform:uppercase;color:var(--purple);letter-spacing:2px;margin-top:1rem;}
.site-footer{background:var(--navy);color:rgba(255,255,255,.85);padding:3rem 0;}
.site-footer .container{display:flex;flex-wrap:wrap;gap:1.5rem;align-items:center;justify-content:space-between;}
.footer-mark{font-family:var(--font-display);font-weight:700;text-transform:uppercase;letter-spacing:.5px;font-size:1.4rem;color:#fff;}
.footer-mark span{color:#ff5c93;}
.site-footer small{display:block;color:rgba(255,255,255,.55);margin-top:.5rem;}

/* ---------- 12. Scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal.in{opacity:1;transform:none;}
.reveal[data-delay="1"]{transition-delay:.08s;}
.reveal[data-delay="2"]{transition-delay:.16s;}
.reveal[data-delay="3"]{transition-delay:.24s;}
.reveal[data-delay="4"]{transition-delay:.32s;}

/* ---------- 13. Sunburst load animation ---------- */
.sunburst-rays .ray{transform-box:fill-box;transform-origin:50% 100%;transform:scaleY(0);animation:rayGrow .5s var(--ease) forwards;}
.hero__sun .sunburst-rays{transform-origin:250px 250px;animation:spinSlow 55s linear infinite;}
.sunburst-rays .ray-1{animation-delay:.05s}.sunburst-rays .ray-2{animation-delay:.11s}
.sunburst-rays .ray-3{animation-delay:.17s}.sunburst-rays .ray-4{animation-delay:.23s}
.sunburst-rays .ray-5{animation-delay:.29s}.sunburst-rays .ray-6{animation-delay:.35s}
.sunburst-rays .ray-7{animation-delay:.41s}.sunburst-rays .ray-8{animation-delay:.47s}
.sunburst-rays .ray-9{animation-delay:.53s}.sunburst-rays .ray-10{animation-delay:.59s}
@keyframes rayGrow{to{transform:scaleY(1);}}
@keyframes spinSlow{to{transform:rotate(360deg);}}

/* ---------- 14. Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  .sunburst-rays .ray{transform:scaleY(1);}
}