/* ════════════════════════════════════════════════════════
   SUREFLAME — Design adapted from Better Gas structure
   Fonts: Space Grotesk (headings) + DM Sans (body)
   Colors: Sureflame orange + navy replacing lime + green
   ════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  --ink:    #0D2137;   /* Sureflame navy (was: dark green #111713) */
  --muted:  #4B6480;   /* Muted blue-grey */
  --line:   #E2E8F0;
  --paper:  #F8F9FA;
  --card:   #ffffff;
  --accent: #E8521A;   /* Sureflame orange (was: lime #d8ff45) */
  --accent2:#F59520;   /* Sureflame amber */
  --dark:   #070D14;   /* Deep navy for dark sections */
  --radius: 24px;
}

/* ── RESET ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: 'DM Sans', system-ui, Arial, sans-serif;
       color: var(--ink); background: var(--paper); line-height: 1.55; }
a { color: inherit; text-decoration: none; }
.container { width: min(1160px, calc(100% - 40px)); margin: auto; }

/* ── NAV ────────────────────────────────────────────────── */
.site-header { position: sticky; top: 0; z-index: 20;
  background: rgba(248,249,250,.94); backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,.07); }
.nav { height: 76px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; gap: 12px; align-items: center; }
.brand-mark { display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; }
.brand-mark img, .brand-mark svg { width: 28px; height: 34px; }
.brand strong { display: block; font-family: 'Space Grotesk', sans-serif;
  font-size: 17px; font-weight: 700; letter-spacing: -.01em; color: var(--ink); }
.brand strong span { color: var(--accent); }
.brand small { display: block; color: var(--muted); font-size: 10px; margin-top: 1px; }
.nav-links { display: flex; align-items: center; gap: 24px; font-size: 14px; font-weight: 600; }
.nav-links a:not(.nav-cta) { color: var(--muted); transition: color .2s; }
.nav-links a:not(.nav-cta):hover { color: var(--ink); }
.nav-cta { background: var(--ink); color: #fff; padding: 10px 18px;
  border-radius: 999px; font-weight: 700; transition: background .2s; }
.nav-cta:hover { background: var(--accent); }
.menu-btn { display: none; background: none; border: 0; font-size: 24px;
  cursor: pointer; color: var(--ink); }

/* ── HERO ───────────────────────────────────────────────── */
.hero { position: relative; overflow: hidden; padding: 88px 0 70px; background: var(--paper); }
.hero-glow { position: absolute; width: 560px; height: 560px;
  right: -180px; top: -200px; border-radius: 50%;
  background: var(--accent); filter: blur(90px); opacity: .22; pointer-events: none; }
.hero-grid { position: relative; display: grid;
  grid-template-columns: 1.05fr .82fr; gap: 64px; align-items: center; }

.eyebrow { font-size: 11px; font-weight: 700; letter-spacing: .16em;
  text-transform: uppercase; color: var(--muted); }
h1, h2, h3 { font-family: 'Space Grotesk', sans-serif; letter-spacing: -.045em; line-height: 1.02; }
.hero h1 { font-size: clamp(46px, 6vw, 76px); margin: 18px 0; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-lead { font-size: 18px; color: var(--muted); max-width: 540px; line-height: 1.65; }
.hero-actions { display: flex; gap: 12px; margin: 28px 0; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center;
  gap: 10px; padding: 13px 22px; border-radius: 999px;
  font-family: 'DM Sans', sans-serif; font-weight: 700; font-size: 14px;
  transition: background .2s, transform .15s, box-shadow .2s; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: var(--accent); box-shadow: 0 6px 20px rgba(232,82,26,.35); }
.btn-secondary { border: 1.5px solid var(--line); color: var(--ink); background: transparent; }
.btn-secondary:hover { border-color: var(--ink); background: var(--card); }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { background: rgba(255,255,255,.9); }
.large { padding: 16px 28px; font-size: 15px; }
.trust-row { display: flex; gap: 18px; flex-wrap: wrap;
  font-size: 12px; font-weight: 600; color: var(--muted); }
.trust-row span::before { content: '✓ '; color: var(--accent); }

/* ── HERO CARD ──────────────────────────────────────────── */
.hero-card { background: var(--card); border: 1px solid var(--line);
  border-radius: 32px; padding: 22px;
  box-shadow: 0 30px 70px rgba(13,33,55,.12); }
.card-top, .card-bottom { display: flex; justify-content: space-between; align-items: center; }
.card-top { font-size: 10px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.pulse { color: var(--accent); animation: pulse 2s ease-in-out infinite; font-size: 14px; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.4;transform:scale(.85)} }

.delivery-visual { height: 320px; margin: 12px 0; position: relative;
  display: grid; place-items: center;
  background: linear-gradient(145deg, #F0F5FF, #FFF7F4, #FFF);
  border-radius: 22px; overflow: hidden; }

/* Cylinder */
.cylinder { position: absolute; left: 24%; bottom: 36px;
  width: 100px; height: 178px; border-radius: 40px 40px 22px 22px;
  background: linear-gradient(90deg, #C8D4D0, #F0F0F0, #B8C8C4);
  box-shadow: inset -12px 0 18px rgba(0,0,0,.09), 0 16px 28px rgba(0,0,0,.12); }
.cylinder-neck { position: absolute; width: 38px; height: 22px;
  top: -17px; left: 31px; border-radius: 7px 7px 2px 2px;
  background: linear-gradient(90deg, #8A9A96, #B0C0BC); }
.cylinder-label { position: absolute; top: 58px; left: 10px; right: 10px;
  text-align: center; font-size: 10px; font-weight: 800;
  letter-spacing: .1em; color: var(--ink); opacity: .7; }
.cylinder-stripe { position: absolute; left: 0; right: 0; height: 24px;
  bottom: 54px; background: var(--accent); opacity: .25; }

/* Scale */
.scale { position: absolute; right: 12%; bottom: 40px; width: 160px; }
.scale-display { background: var(--dark); color: var(--accent);
  font-family: 'DM Sans', monospace; font-size: 28px; font-weight: 700;
  padding: 14px 16px; text-align: center;
  border-radius: 14px 14px 6px 6px; letter-spacing: .02em; }
.scale-display small { font-size: 13px; font-weight: 400; opacity: .7; margin-left: 2px; }
.scale-verified { font-size: 9px; text-align: center; color: var(--accent);
  font-weight: 600; letter-spacing: .06em; background: rgba(232,82,26,.1);
  padding: 3px 0; border-radius: 0 0 2px 2px; }
.scale-base { height: 20px; background: linear-gradient(90deg, #8A9898, #B0BCBC);
  border-radius: 0 0 12px 12px; }

.card-bottom { border-top: 1px solid var(--line); padding-top: 15px; margin-top: 2px; }
.card-bottom small { display: block; color: var(--muted); font-size: 10px; }
.card-bottom strong { font-family: 'Space Grotesk', sans-serif; font-size: 20px; }
.check { width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--accent); color: #fff; font-weight: 900; font-size: 14px; flex-shrink: 0; }

/* ── PROOF STRIP ─────────────────────────────────────────── */
.proof-strip { background: var(--accent); padding: 28px 0; }
.proof-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.proof-grid div { display: flex; flex-direction: column; }
.proof-grid strong { font-family: 'Space Grotesk', sans-serif; font-size: 23px;
  font-weight: 700; color: #fff; }
.proof-grid span { font-size: 12px; color: rgba(255,255,255,.7); margin-top: 2px; }

/* ── SECTIONS ────────────────────────────────────────────── */
.section { padding: 96px 0; }
h2 { font-size: clamp(34px, 4vw, 54px); margin: 12px 0; }
.section-head { display: flex; justify-content: space-between; gap: 40px; margin-bottom: 48px; align-items: flex-start; }
.section-head > p { max-width: 380px; color: var(--muted); line-height: 1.7; }
.centered { text-align: center; display: block; }
.centered p { margin: 12px auto 0; color: var(--muted); max-width: 500px; }

/* ── STEPS ───────────────────────────────────────────────── */
.steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.step { position: relative; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 32px; min-height: 260px;
  transition: box-shadow .2s, transform .2s; }
.step:hover { box-shadow: 0 12px 40px rgba(13,33,55,.1); transform: translateY(-2px); }
.step-no { position: absolute; right: 24px; top: 20px;
  font-size: 11px; font-weight: 700; color: var(--line); letter-spacing: .05em; }
.icon { font-size: 28px; margin-bottom: 28px; }
.step h3 { font-family: 'Space Grotesk', sans-serif; font-size: 22px; margin: 0 0 10px; }
.step p { color: var(--muted); margin: 0; font-size: 15px; line-height: 1.65; }

/* ── DARK SECTION ────────────────────────────────────────── */
.dark { background: var(--dark); color: #fff; }
.dark .eyebrow { color: rgba(255,255,255,.45); }
.dark p { color: rgba(255,255,255,.6); }
.dark h2 { color: #fff; }
.split { display: grid; grid-template-columns: .85fr 1.15fr; gap: 88px; align-items: start; }
.text-link { display: inline-flex; align-items: center; gap: 6px;
  margin-top: 18px; font-weight: 700; color: var(--accent); font-size: 14px; }

.feature-list { display: grid; gap: 4px; }
.feature { display: flex; gap: 18px; padding: 22px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
.feature:last-child { border: none; }
.feature > .feat-ico { width: 44px; height: 44px; flex: none; display: grid;
  place-items: center; border-radius: 13px;
  background: rgba(232,82,26,.15); color: var(--accent);
  font-size: 18px; font-weight: 700; }
.feature h3 { margin: 0 0 5px; font-family: 'Space Grotesk', sans-serif; font-size: 18px; color: #fff; }
.feature p { margin: 0; font-size: 14px; line-height: 1.65; }

/* ── SERVICES ────────────────────────────────────────────── */
.service-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.service-card { background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 32px; min-height: 280px;
  display: flex; flex-direction: column; transition: box-shadow .2s; }
.service-card:hover { box-shadow: 0 12px 40px rgba(13,33,55,.1); }
.service-card.featured { background: var(--accent); border-color: transparent; color: #fff; }
.service-card.featured p { color: rgba(255,255,255,.8); }
.service-card.featured a { color: #fff; }
.service-icon { font-size: 28px; margin-bottom: 20px; }
.service-card h3 { font-family: 'Space Grotesk', sans-serif; font-size: 24px; margin: 0 0 12px; }
.service-card p { color: var(--muted); font-size: 15px; line-height: 1.65; flex: 1; }
.service-card a { font-weight: 700; font-size: 13px; display: inline-block; margin-top: 20px; }
.service-card:not(.featured) a { color: var(--accent); }

/* ── LOCATIONS ───────────────────────────────────────────── */
.location-section { background: #EEF4F9; }
.location-grid { display: grid; grid-template-columns: 1fr .8fr; gap: 64px; align-items: center; }
.area-tags { display: flex; flex-wrap: wrap; gap: 9px; margin: 24px 0; }
.area-tags span { background: var(--card); border: 1px solid var(--line);
  padding: 8px 14px; border-radius: 999px; font-size: 12px; font-weight: 600;
  color: var(--ink); transition: .2s; cursor: default; }
.area-tags span:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.map-card { height: 380px; border-radius: 28px; background: #D8E4EE;
  position: relative; overflow: hidden; display: grid;
  place-items: center; border: 1px solid #C4D4DF; }
.map-lines { position: absolute; inset: 0;
  background: repeating-linear-gradient(25deg,transparent 0 48px,rgba(13,33,55,.06) 49px 51px),
              repeating-linear-gradient(115deg,transparent 0 65px,rgba(13,33,55,.05) 66px 68px); }
.map-pin { position: relative; z-index: 2; width: 72px; height: 72px; border-radius: 50%;
  display: grid; place-items: center; background: var(--ink); color: var(--accent);
  font-size: 28px; box-shadow: 0 0 0 18px rgba(13,33,55,.09); }
.map-label { position: absolute; left: 24px; bottom: 44px;
  font-weight: 800; letter-spacing: .12em; font-size: 13px; color: var(--ink); }
.map-card small { position: absolute; left: 24px; bottom: 22px; color: var(--muted); font-size: 12px; }

/* ── BUSINESS CTA ────────────────────────────────────────── */
.business-cta { padding: 48px 0; }
.business-card { background: var(--ink); color: #fff; border-radius: 28px;
  padding: 48px 56px; display: flex; justify-content: space-between;
  align-items: center; gap: 32px; }
.business-card .eyebrow { color: rgba(255,255,255,.4); }
.business-card h2 { color: #fff; margin-bottom: 8px; }
.business-card p { color: rgba(255,255,255,.6); max-width: 560px; font-size: 16px; }

/* ── FAQ ────────────────────────────────────────────────── */
.faq-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 80px; }
.faq-list details { background: var(--card); border: 1px solid var(--line);
  border-radius: 16px; padding: 20px 24px; margin-bottom: 10px;
  transition: box-shadow .2s; }
.faq-list details[open] { box-shadow: 0 4px 16px rgba(13,33,55,.08); }
.faq-list summary { cursor: pointer; font-weight: 700; font-family: 'Space Grotesk', sans-serif;
  font-size: 15px; list-style: none; display: flex; justify-content: space-between;
  align-items: center; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; font-size: 20px; color: var(--accent);
  font-weight: 400; transition: transform .2s; flex-shrink: 0; }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list p { color: var(--muted); margin: 14px 0 0; font-size: 15px; line-height: 1.7; }

/* ── FINAL CTA ───────────────────────────────────────────── */
.final-cta { text-align: center; padding: 100px 0 120px; background: var(--card); }
.final-cta .eyebrow { display: block; margin-bottom: 0; }
.final-cta h2 { margin-top: 8px; }
.final-cta p { color: var(--muted); margin: 16px auto 30px; max-width: 480px; font-size: 17px; }

/* ── FOOTER ─────────────────────────────────────────────── */
footer { background: var(--ink); color: #fff; padding: 56px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3,1fr); gap: 40px; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.footer-brand img, .footer-brand svg { width: 28px; height: 34px; }
.footer-brand strong { font-family: 'Space Grotesk', sans-serif; font-size: 17px;
  font-weight: 700; color: #fff; }
.footer-brand strong span { color: var(--accent); }
.footer-grid > div > p { color: rgba(255,255,255,.45); font-size: 13px; line-height: 1.7; }
.footer-grid h4 { font-family: 'Space Grotesk', sans-serif; font-size: 13px;
  font-weight: 600; margin: 0 0 14px; color: rgba(255,255,255,.4); letter-spacing: .04em; }
.footer-grid a { display: block; font-size: 13px; color: rgba(255,255,255,.55);
  margin-bottom: 8px; transition: color .2s; }
.footer-grid a:hover { color: #fff; }
.footer-grid .footer-tel { font-size: 14px; font-weight: 600;
  color: rgba(255,255,255,.7); display: block; margin-bottom: 7px; }
.footer-grid .footer-tel:hover { color: var(--accent); }
.footer-bottom { margin-top: 44px; padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex; justify-content: space-between; gap: 20px;
  color: rgba(255,255,255,.3); font-size: 11px; }
.footer-bottom a { color: rgba(255,255,255,.3); transition: color .2s; }
.footer-bottom a:hover { color: rgba(255,255,255,.7); }

/* ── FLOATING WHATSAPP ───────────────────────────────────── */
.wa-float { position: fixed; bottom: 24px; right: 24px; z-index: 200;
  background: #25D366; width: 56px; height: 56px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.45); transition: transform .2s; }
.wa-float:hover { transform: scale(1.1); }
.wa-float svg { width: 26px; height: 26px; fill: #fff; }

/* ── MOBILE ─────────────────────────────────────────────── */
@media(max-width: 860px) {
  .nav-links { display: none; }
  .menu-btn { display: block; }
  .nav-links.open { display: flex; flex-direction: column; align-items: stretch;
    position: absolute; left: 14px; right: 14px; top: 70px;
    background: var(--card); border: 1px solid var(--line);
    border-radius: 18px; padding: 18px;
    box-shadow: 0 20px 50px rgba(0,0,0,.12); gap: 4px; z-index: 100; }
  .nav-links a { padding: 10px 12px; border-radius: 10px; font-size: 15px; }
  .nav-links .nav-cta { text-align: center; margin-top: 4px; }
  .hero { padding: 64px 0 52px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-card { max-width: 440px; margin: 0 auto; }
  .proof-grid { grid-template-columns: repeat(2,1fr); }
  .steps, .service-grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 48px; }
  .location-grid { grid-template-columns: 1fr; gap: 40px; }
  .faq-grid { grid-template-columns: 1fr; gap: 40px; }
  .business-card { flex-direction: column; padding: 36px 28px; }
  .section { padding: 68px 0; }
  .section-head { display: block; }
  .section-head > p { margin-top: 12px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { display: block; }
  .footer-bottom span + span { display: block; margin-top: 6px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
}
@media(max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}