/* ===============================================================
   ALPINE ROOFING & CONTRACTING — ROOFING LANDING PAGE
   Built Strong Above. Protected Below.
   LIGHT THEME · warm white + Alpine orange (#E2761E) + navy (#1B2A4B)
   lead-generation SEO funnel · NH · ME · MA
   =============================================================== */
:root{
  --bg:#f7f5f1;
  --bg-2:#efece6;
  --surface:#ffffff;
  --surface-2:#faf8f4;
  --surface-3:#f1eee8;
  --line:rgba(226,118,30,.28);
  --line-2:rgba(27,42,75,.12);

  --orange:#e2761e;
  --orange-bright:#f08a2e;
  --orange-deep:#c25e12;
  --ink-dark:#ffffff;

  --navy:#1b2a4b;
  --navy-lt:#2c3f6b;

  --slate:#5a73a0;
  --slate-lt:#3a5078;

  --text:#1b2336;
  --text-2:#41506b;
  --muted:#76829a;

  --serif:"Fraunces",Georgia,serif;
  --sans:"Archivo",-apple-system,BlinkMacSystemFont,sans-serif;

  --shadow:0 24px 60px rgba(27,42,75,.14);
  --shadow-sm:0 10px 30px rgba(27,42,75,.10);
  --r:18px;
  --r-lg:26px;
  --max:1200px;
  --ease:cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  background:
    radial-gradient(900px 480px at 88% -6%,rgba(226,118,30,.10),transparent 60%),
    radial-gradient(800px 460px at -6% 8%,rgba(27,42,75,.07),transparent 55%),
    linear-gradient(180deg,var(--bg),var(--bg-2));
  background-attachment:fixed;
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.05;letter-spacing:-.02em}
.display{font-family:var(--serif);font-weight:560}
em{font-style:italic;color:var(--orange);font-family:var(--serif)}

.grain{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.025;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

.container{width:min(var(--max),calc(100% - 48px));margin-inline:auto;position:relative;z-index:2}
.container--narrow{max-width:820px}

.eyebrow{display:inline-block;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.22em;color:var(--orange);margin-bottom:16px}

/* ---------- BUTTONS ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--sans);
  font-weight:800;font-size:15px;letter-spacing:.01em;border:0;border-radius:999px;cursor:pointer;
  padding:14px 24px;transition:transform .18s var(--ease),box-shadow .25s var(--ease),background .2s}
.btn--solid{background:linear-gradient(135deg,var(--orange-bright),var(--orange-deep));color:var(--ink-dark);
  box-shadow:0 14px 34px -10px rgba(226,118,30,.6)}
.btn--solid:hover{transform:translateY(-2px);box-shadow:0 20px 44px -10px rgba(226,118,30,.75)}
.btn--ghost{background:rgba(27,42,75,.04);color:var(--text);border:1px solid var(--line-2)}
.btn--ghost:hover{background:rgba(27,42,75,.07);border-color:var(--line)}
.btn--invert{background:#fff;color:var(--navy)}
.btn--invert:hover{transform:translateY(-2px);background:#fff;box-shadow:0 16px 36px -12px rgba(0,0,0,.3)}
.btn--lg{padding:17px 30px;font-size:16px}
.btn--block{width:100%}

/* ---------- NAV ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(247,245,241,.78);backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line-2);transition:background .3s,border-color .3s}
.nav.is-scrolled{background:rgba(247,245,241,.95);border-bottom-color:var(--line);box-shadow:0 6px 24px -12px rgba(27,42,75,.18)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px}
.brand__chip{display:inline-flex;align-items:center;padding:7px 14px;border-radius:14px;
  background:linear-gradient(145deg,#1f3052,var(--navy));box-shadow:0 8px 22px -10px rgba(27,42,75,.5)}
.brand__logo{height:38px;width:auto;display:block}
.brand__mark{width:42px;height:42px;flex:none;display:grid;place-items:center;border-radius:12px;color:var(--ink-dark);
  background:linear-gradient(145deg,var(--orange-bright),var(--orange-deep));box-shadow:0 0 28px rgba(226,118,30,.3)}
.brand__mark svg{width:66%;height:66%}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__text b{font-size:14px;font-weight:800;letter-spacing:.04em}
.brand__text i{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.02em}
.nav__links{display:flex;gap:28px}
.nav__links a{font-size:14px;font-weight:600;color:var(--text-2);transition:color .2s}
.nav__links a:hover{color:var(--orange)}
.nav__cta{padding:11px 20px;font-size:14px}

/* ---------- HERO ---------- */
.hero{position:relative;padding:72px 0 80px;overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(620px 420px at 78% 30%,rgba(226,118,30,.12),transparent 70%),
    repeating-linear-gradient(135deg,rgba(226,118,30,.04) 0 2px,transparent 2px 26px)}
.hero__grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero__copy{animation:rise .7s var(--ease) both}
.hero h1{font-family:var(--serif);font-weight:540;font-size:clamp(38px,5.4vw,68px);letter-spacing:-.03em;margin-bottom:22px}
.hero__lede{font-size:clamp(16px,1.5vw,19px);color:var(--text-2);max-width:54ch;margin-bottom:24px;font-weight:400}
.hero__points{list-style:none;display:grid;gap:11px;margin-bottom:32px}
.hero__points li{position:relative;padding-left:30px;font-size:15px;color:var(--text-2);font-weight:500}
.hero__points li::before{content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;
  background:radial-gradient(circle at 40% 35%,var(--orange-bright),var(--orange-deep));
  box-shadow:0 0 0 4px rgba(226,118,30,.14)}
.hero__points li::after{content:"✓";position:absolute;left:4px;top:5px;font-size:9px;font-weight:900;color:var(--ink-dark)}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- QUOTE CARD ---------- */
.quote-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow);animation:rise .7s var(--ease) .1s both;position:relative}
.quote-card__head{display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:800;text-transform:uppercase;
  letter-spacing:.14em;color:var(--orange);background:rgba(226,118,30,.1);border:1px solid var(--line);
  border-radius:999px;padding:7px 13px;margin-bottom:18px}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 0 rgba(226,118,30,.6);animation:pulse 2.4s infinite}
.quote-card h2{font-family:var(--serif);font-weight:560;font-size:28px;margin-bottom:6px}
.quote-card__sub{font-size:14px;color:var(--muted);margin-bottom:22px}
.quote-form{display:grid;gap:14px}
.field{position:relative}
.field--row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field input,.field select{width:100%;background:#fbfaf7;border:1px solid var(--line-2);border-radius:12px;
  padding:15px 14px 15px;font:inherit;font-size:15px;color:var(--text);outline:none;transition:border-color .18s,box-shadow .18s}
.field select{padding-top:15px;padding-bottom:15px;appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23e2761e' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center}
.field select option{background:#fff;color:var(--text)}
.field input:focus,.field select:focus{border-color:rgba(226,118,30,.55);box-shadow:0 0 0 3px rgba(226,118,30,.13)}
.field label{position:absolute;left:14px;top:15px;font-size:15px;color:var(--muted);pointer-events:none;transition:all .16s var(--ease)}
.field input:focus+label,.field input:not(:placeholder-shown)+label{top:-8px;left:10px;font-size:11px;font-weight:700;
  color:var(--orange);background:var(--surface);padding:0 6px;letter-spacing:.04em;text-transform:uppercase}
.label--static{position:static;display:none}
.quote-form__fine{font-size:11px;color:var(--muted);line-height:1.5;margin-top:2px}
.quote-success{text-align:center;padding:20px 6px}
.quote-success__icon{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;margin:0 auto 16px;
  font-size:26px;font-weight:900;color:var(--ink-dark);background:linear-gradient(135deg,var(--orange-bright),var(--orange-deep))}
.quote-success h3{font-family:var(--serif);font-size:24px;margin-bottom:8px}
.quote-success p{color:var(--text-2);font-size:15px}

/* ---------- TRUST BAR ---------- */
.trust{border-block:1px solid var(--line-2);background:var(--surface)}
.trust__inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px;padding:24px 0}
.trust__item{display:flex;flex-direction:column;align-items:center;text-align:center;flex:1;min-width:130px}
.trust__item strong{font-family:var(--serif);font-size:26px;font-weight:600;color:var(--orange-bright);line-height:1}
.trust__item span{font-size:12px;color:var(--muted);margin-top:6px;text-transform:uppercase;letter-spacing:.06em}

/* ---------- SECTIONS ---------- */
.section{padding:84px 0}
.section--alt{background:var(--surface-2);border-block:1px solid var(--line-2)}
.section__head{max-width:760px;margin-bottom:48px}
.section__head h2{font-size:clamp(28px,3.6vw,46px);margin-bottom:18px}
.section__intro{font-size:clamp(15px,1.4vw,18px);color:var(--text-2);font-weight:400}

/* ---------- FIGURES ---------- */
.figure-feature{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);margin-top:8px;background:var(--surface)}
.figure-feature img{width:100%;height:auto}
.figure-feature__cap{font-size:13px;color:var(--muted);padding:14px 20px;text-align:center;font-style:italic;font-family:var(--serif)}

/* Clean custom SVG diagrams */
.figure-diagram{margin-top:36px;background:transparent;border:0;border-radius:var(--r-lg);
  padding:0;box-shadow:var(--shadow);overflow:hidden}
.figure-diagram img{width:100%;height:auto;display:block}

.figure-split{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;margin-top:44px}
.figure-split--rev{grid-template-columns:.9fr 1.1fr}
.figure-split--rev img{order:2}
.figure-split img{border-radius:var(--r);border:1px solid var(--line);box-shadow:var(--shadow-sm);width:100%;height:auto}
.figure-split__copy h3{font-family:var(--serif);font-weight:560;font-size:clamp(22px,2.4vw,30px);margin-bottom:14px}
.figure-split__copy p{color:var(--text-2);margin-bottom:14px}
.figure-split__copy .btn{margin-top:8px}

/* ---------- LAYERS ---------- */
.layers{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:36px}
.layer{background:var(--surface);border:1px solid var(--line-2);border-radius:var(--r);padding:24px;transition:transform .2s,border-color .2s}
.layer:hover{transform:translateY(-3px);border-color:var(--line)}
.layer__n{font-family:var(--serif);font-size:14px;font-weight:700;color:var(--orange);display:block;margin-bottom:10px;letter-spacing:.1em}
.layer h3{font-family:var(--serif);font-weight:560;font-size:20px;margin-bottom:8px}
.layer p{font-size:14px;color:var(--muted);line-height:1.6}

/* ---------- MATERIALS ---------- */
.mat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.mat{background:var(--surface);border:1px solid var(--line-2);border-radius:var(--r);padding:24px;transition:transform .2s,border-color .2s}
.mat--feature{background:linear-gradient(150deg,rgba(226,118,30,.14),var(--surface));border-color:var(--line)}
.mat:hover{transform:translateY(-3px);border-color:var(--line)}
.mat h3{font-family:var(--serif);font-weight:560;font-size:20px;margin-bottom:4px}
.mat__life{display:inline-block;font-size:12px;font-weight:800;color:var(--orange-bright);letter-spacing:.04em;
  background:rgba(226,118,30,.12);border:1px solid var(--line);border-radius:999px;padding:3px 11px;margin-bottom:12px}
.mat p:last-child{font-size:14px;color:var(--muted);line-height:1.6}

/* ---------- PROCESS ---------- */
.process{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:8px}
.proc{position:relative;background:var(--surface);border:1px solid var(--line-2);border-radius:var(--r);padding:26px 24px 24px}
.proc__n{position:absolute;top:-16px;left:24px;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  font-family:var(--serif);font-weight:700;font-size:18px;color:var(--ink-dark);
  background:linear-gradient(135deg,var(--orange-bright),var(--orange-deep));box-shadow:0 8px 20px -6px rgba(226,118,30,.6)}
.proc h3{font-family:var(--serif);font-weight:560;font-size:19px;margin:10px 0 8px}
.proc p{font-size:14px;color:var(--muted);line-height:1.6}

/* ---------- WHY ---------- */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.why{background:var(--surface);border:1px solid var(--line-2);border-radius:var(--r);padding:26px;position:relative;overflow:hidden}
.why::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--orange-bright),transparent)}
.why h3{font-family:var(--serif);font-weight:560;font-size:20px;margin-bottom:10px}
.why p{font-size:14px;color:var(--muted);line-height:1.6}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px}
.faq__item{background:var(--surface);border:1px solid var(--line-2);border-radius:var(--r);padding:0 22px;transition:border-color .2s}
.faq__item[open]{border-color:var(--line)}
.faq__item summary{cursor:pointer;list-style:none;padding:20px 0;font-weight:700;font-size:16px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:"+";font-size:24px;font-weight:400;color:var(--orange);transition:transform .2s;line-height:1}
.faq__item[open] summary::after{transform:rotate(45deg)}
.faq__item p{padding:0 0 22px;color:var(--text-2);font-size:15px;line-height:1.7}

/* ---------- FINAL CTA ---------- */
.final-cta{padding:80px 0}
.final-cta__inner{background:linear-gradient(135deg,var(--orange-deep),var(--orange));border-radius:var(--r-lg);
  padding:clamp(34px,5vw,60px);display:grid;grid-template-columns:1.4fr auto;gap:32px;align-items:center;
  box-shadow:0 30px 70px -20px rgba(226,118,30,.5);position:relative;overflow:hidden}
.final-cta__inner::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(255,255,255,.18),transparent 55%);pointer-events:none}
.final-cta .eyebrow{color:var(--ink-dark);opacity:.7}
.final-cta h2{color:var(--ink-dark);font-size:clamp(24px,3vw,38px);margin-bottom:12px;max-width:20ch}
.final-cta p{color:rgba(26,14,2,.82);font-weight:500;max-width:46ch}

/* ---------- FOOTER ---------- */
.footer{border-top:1px solid var(--line-2);padding:48px 0;background:var(--surface)}
.footer__inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:28px;align-items:flex-start}
.footer__brand{display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.footer__chip{display:inline-flex;padding:12px 18px;border-radius:16px;
  background:linear-gradient(145deg,#1f3052,var(--navy));box-shadow:0 10px 26px -12px rgba(27,42,75,.5)}
.footer__logo{height:44px;width:auto;display:block}
.footer__brand p{font-size:13px;color:var(--muted);line-height:1.7}
.footer__brand b{color:var(--text);font-size:15px}
.footer__cta{display:flex;flex-direction:column;align-items:flex-end;gap:14px}
.footer__cta small{font-size:11px;color:var(--muted)}

/* ---------- ANIMATIONS ---------- */
@keyframes rise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(226,118,30,.5)}70%{box-shadow:0 0 0 10px rgba(226,118,30,0)}100%{box-shadow:0 0 0 0 rgba(226,118,30,0)}}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}

/* ---------- RESPONSIVE ---------- */
@media (max-width:980px){
  .hero__grid{grid-template-columns:1fr;gap:36px}
  .figure-split,.figure-split--rev{grid-template-columns:1fr;gap:24px}
  .figure-split--rev img{order:0}
  .layers,.mat-grid,.process{grid-template-columns:1fr 1fr}
  .why-grid{grid-template-columns:1fr 1fr}
  .final-cta__inner{grid-template-columns:1fr}
  .nav__links{display:none}
}
@media (max-width:600px){
  .container{width:calc(100% - 32px)}
  .section{padding:60px 0}
  .layers,.mat-grid,.process,.why-grid{grid-template-columns:1fr}
  .trust__inner{gap:14px}
  .trust__item{min-width:42%}
  .field--row{grid-template-columns:1fr}
  .brand__text i{display:none}
  .footer__cta{align-items:flex-start}
}