/*
Theme Name: NRG Mock Immersive
Theme URI: https://northregionalgas.com.au
Author: OpenCode Mock Build
Description: Modern immersive mock redesign for North Regional Gas. Links to the existing WooCommerce store.
Version: 2.0.0
License: MIT
Text Domain: nrg-mock
*/

/* ===== Design tokens ===== */
:root {
  --nrg-blue: #1d4fc4;
  --nrg-blue-mid: #16389b;
  --nrg-navy: #0a1628;
  --nrg-navy-2: #0f2247;
  --nrg-orange: #f99500;
  --nrg-orange-2: #fcb916;
  --nrg-red: #dc2626;
  --nrg-dark: #0b1220;
  --nrg-light: #f6f8fd;
  --nrg-white: #ffffff;
  --nrg-gray: #5b6472;
  --nrg-gray-2: #8a93a3;
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-xl: 36px;
  --curve: 56px;
  --shadow-sm: 0 2px 10px rgba(11, 18, 32, 0.06);
  --shadow-md: 0 12px 32px rgba(11, 18, 32, 0.1);
  --shadow-lg: 0 30px 60px -15px rgba(11, 18, 32, 0.25);
  --shadow-glow: 0 0 60px rgba(249, 149, 0, 0.25);
  --t: cubic-bezier(0.22, 1, 0.36, 1);
  --font-body: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Raleway', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  line-height: 1.65;
  color: var(--nrg-dark);
  background: var(--nrg-light);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--nrg-blue); text-decoration: none; transition: all 0.25s var(--t); }
a:hover { color: var(--nrg-orange); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

p { margin-bottom: 1rem; }

.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 1.5rem; }

/* ===== Typography ===== */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--nrg-orange);
  margin-bottom: 1rem;
}
.section-label::before {
  content: '';
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--nrg-orange);
}

.section-title { font-size: clamp(2rem, 4.5vw, 3.2rem); margin-bottom: 1rem; }
.section-subtitle { font-size: 1.1rem; color: var(--nrg-gray); max-width: 680px; }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-header .section-subtitle { margin: 0 auto; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.95rem 1.9rem;
  border-radius: 100px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.3s var(--t);
  letter-spacing: 0.01em;
  font-family: var(--font-body);
}

.btn-primary {
  background: linear-gradient(135deg, var(--nrg-orange) 0%, var(--nrg-orange-2) 100%);
  color: #241500;
  box-shadow: 0 10px 28px rgba(249, 149, 0, 0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(249, 149, 0, 0.5);
  color: #241500;
}

.btn-secondary { background: var(--nrg-white); color: var(--nrg-navy); border-color: var(--nrg-white); }
.btn-secondary:hover { transform: translateY(-2px); color: var(--nrg-blue); box-shadow: var(--shadow-md); }

.btn-ghost { background: rgba(255,255,255,0.1); color: var(--nrg-white); border-color: rgba(255,255,255,0.35); backdrop-filter: blur(8px); }
.btn-ghost:hover { background: rgba(255,255,255,0.2); color: var(--nrg-white); }

.btn-outline { background: transparent; color: var(--nrg-blue); border-color: var(--nrg-blue); }
.btn-outline:hover { background: var(--nrg-blue); color: var(--nrg-white); }

.btn-sm { padding: 0.6rem 1.3rem; font-size: 0.85rem; }

/* ===== Emergency banner ===== */
.emergency-banner {
  background: linear-gradient(90deg, var(--nrg-red) 0%, #991b1b 100%);
  color: var(--nrg-white);
  padding: 0.5rem 0;
  font-size: 0.85rem;
  text-align: center;
  position: relative;
  z-index: 1001;
}
.emergency-banner a { color: var(--nrg-white); font-weight: 800; text-decoration: underline; }

/* ===== Top bar ===== */
.top-bar { background: var(--nrg-navy); color: rgba(255,255,255,0.8); padding: 0.55rem 0; font-size: 0.83rem; }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; }
.top-bar a { color: var(--nrg-white); }
.top-bar a:hover { color: var(--nrg-orange-2); }
.top-bar-social { display: flex; gap: 1rem; }

/* ===== Header ===== */
.site-header {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(11,18,32,0.06);
  position: sticky; top: 0; z-index: 1000;
  transition: all 0.3s var(--t);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner { display: flex; justify-content: space-between; align-items: center; padding: 0.75rem 0; gap: 1rem; }

.site-logo { display: flex; align-items: center; }
.site-logo img { height: 56px; width: auto; transition: all 0.3s var(--t); }
.site-logo:hover img {
  transform: scale(1.06) rotate(-1.5deg);
  filter: drop-shadow(0 8px 16px rgba(249, 149, 0, 0.4));
}

.main-nav { display: none; }
.main-nav ul { display: flex; list-style: none; gap: 1.75rem; align-items: center; }
.main-nav a { font-weight: 700; color: var(--nrg-navy); font-size: 0.92rem; position: relative; padding: 0.4rem 0; }
.main-nav a::after {
  content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 3px;
  background: var(--nrg-orange); border-radius: 3px; transition: all 0.3s var(--t);
}
.main-nav a:hover::after { width: 100%; }

.header-cta { display: none; }

.mobile-menu-toggle {
  display: flex; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 0.5rem; z-index: 1002;
}
.mobile-menu-toggle span { display: block; width: 26px; height: 3px; background: var(--nrg-navy); border-radius: 3px; transition: all 0.3s var(--t); }
.mobile-menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
.mobile-menu-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== Mobile menu ===== */
.mobile-menu {
  position: fixed; top: 0; right: -100%;
  width: 82%; max-width: 360px; height: 100vh; height: 100dvh;
  background: var(--nrg-navy); color: var(--nrg-white);
  box-shadow: -10px 0 50px rgba(0,0,0,0.4);
  padding: 5.5rem 2rem 2rem;
  transition: right 0.4s var(--t);
  z-index: 999;
  overflow-y: auto;
}
.mobile-menu.open { right: 0; }
.mobile-menu ul { list-style: none; }
.mobile-menu li { border-bottom: 1px solid rgba(255,255,255,0.1); }
.mobile-menu ul a { display: block; padding: 1rem 0; font-weight: 700; font-size: 1.05rem; color: var(--nrg-white); }
.mobile-menu ul a:hover { color: var(--nrg-orange-2); }
.mobile-menu .btn { margin-top: 1rem; width: 100%; }

.mobile-overlay {
  position: fixed; inset: 0; background: rgba(10,22,40,0.6);
  opacity: 0; visibility: hidden; transition: all 0.35s var(--t); z-index: 998;
  backdrop-filter: blur(4px);
}
.mobile-overlay.open { opacity: 1; visibility: visible; }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 92vh; min-height: 92dvh;
  display: flex; align-items: center;
  overflow: hidden;
  color: var(--nrg-white);
  background: var(--nrg-navy);
}
.hero-bg { position: absolute; inset: 0; }
.hero-bg::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(29,79,196,0.5) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 20% 80%, rgba(249,149,0,0.28) 0%, transparent 55%),
    linear-gradient(115deg, rgba(10,22,40,0.97) 20%, rgba(15,34,71,0.85) 60%, rgba(10,22,40,0.7) 100%);
  z-index: 1;
}
.hero-bg img {
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0.5;
  animation: heroZoom 22s ease-in-out infinite alternate;
}
@keyframes heroZoom { 0% { transform: scale(1); } 100% { transform: scale(1.1); } }

.hero-content {
  position: relative; z-index: 2;
  max-width: 760px;
  padding: 9rem 0 7rem;
  animation: fadeInUp 1s var(--t);
}
@keyframes fadeInUp { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: translateY(0); } }

.hero-badge {
  display: inline-flex; align-items: center; gap: 0.55rem;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.16);
  padding: 0.55rem 1.1rem; border-radius: 100px;
  font-size: 0.8rem; font-weight: 700;
  margin-bottom: 1.75rem;
  letter-spacing: 0.06em; text-transform: uppercase;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 12px #4ade80; animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.hero h1 { font-size: clamp(2.6rem, 6.5vw, 4.6rem); margin-bottom: 1.25rem; }
.hero h1 .accent { color: var(--nrg-orange-2); }
.hero p { font-size: clamp(1.05rem, 2vw, 1.3rem); margin-bottom: 2.25rem; opacity: 0.88; max-width: 600px; font-weight: 300; }

.hero-actions { display: flex; flex-direction: column; gap: 0.85rem; align-items: flex-start; margin-bottom: 3rem; }

.hero-stats { display: flex; gap: 0; flex-wrap: wrap; border-top: 1px solid rgba(255,255,255,0.15); padding-top: 1.75rem; }
.hero-stat { text-align: left; padding-right: 2.5rem; margin-right: 2.5rem; border-right: 1px solid rgba(255,255,255,0.12); }
.hero-stat:last-child { border-right: none; margin-right: 0; padding-right: 0; }
.hero-stat strong { display: block; font-size: 2.4rem; font-weight: 900; line-height: 1; font-family: var(--font-heading); color: var(--nrg-orange-2); }
.hero-stat span { font-size: 0.8rem; opacity: 0.75; text-transform: uppercase; letter-spacing: 0.08em; }

.scroll-indicator { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); z-index: 2; animation: bounce 2s infinite; }
.scroll-indicator svg { width: 30px; height: 30px; stroke: rgba(255,255,255,0.6); }
@keyframes bounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(10px); } }

/* ===== Suburb lookup ===== */
.suburb-lookup { background: var(--nrg-navy); padding: 0 0 5rem; position: relative; }
.suburb-lookup .container { position: relative; z-index: 2; }
.lookup-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 2.75rem 2rem;
  color: var(--nrg-white);
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.lookup-card h2 { font-size: clamp(1.4rem, 3.5vw, 2rem); margin-bottom: 0.5rem; }
.lookup-card > p { opacity: 0.75; margin-bottom: 1.75rem; }
.lookup-input-group { display: flex; flex-direction: column; gap: 0.75rem; max-width: 560px; margin: 0 auto; }
.lookup-input {
  flex: 1; padding: 1rem 1.4rem; border: 1px solid rgba(255,255,255,0.2); border-radius: 100px;
  font-size: 1rem; font-family: inherit; background: rgba(255,255,255,0.08); color: var(--nrg-white);
}
.lookup-input::placeholder { color: rgba(255,255,255,0.45); }
.lookup-input:focus { outline: none; border-color: var(--nrg-orange-2); box-shadow: 0 0 0 4px rgba(252,185,22,0.15); }
.lookup-result { margin-top: 1.5rem; padding: 1.4rem; background: rgba(255,255,255,0.07); border-radius: var(--radius-md); display: none; text-align: center; }
.lookup-result.show { display: block; animation: fadeInUp 0.5s var(--t); }
.lookup-result a { color: var(--nrg-orange-2); text-decoration: underline; }

/* ===== Services ===== */
.services-section { padding: 6rem 0; background: var(--nrg-light); }
.services-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }

.service-card {
  background: var(--nrg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.4s var(--t);
  position: relative;
  border: 1px solid rgba(11,18,32,0.05);
  display: flex; flex-direction: column;
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }

.service-card-image { height: 210px; background-size: cover; background-position: center; position: relative; overflow: hidden; }
.service-card-image::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,22,40,0.55) 0%, transparent 55%); }
.service-card:hover .service-card-image { transform: scale(1.03); }
.service-card-image { transition: all 0.5s var(--t); }

.service-card-content { padding: 1.75rem; flex: 1; display: flex; flex-direction: column; }
.service-card h3 { font-size: 1.3rem; margin-bottom: 0.55rem; }
.service-card p { color: var(--nrg-gray); margin-bottom: 1.25rem; font-size: 0.95rem; flex: 1; }
.service-card .link-arrow { font-weight: 800; color: var(--nrg-blue); display: inline-flex; align-items: center; gap: 0.35rem; font-size: 0.92rem; }
.service-card .link-arrow:hover { gap: 0.7rem; color: var(--nrg-orange); }

/* Service icons row variant */
.service-icon-card { padding: 2rem; text-align: left; }
.service-icon-card .svc-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, var(--nrg-blue) 0%, var(--nrg-blue-mid) 100%);
  color: #fff;
}
.service-icon-card .svc-icon svg { width: 26px; height: 26px; }

/* ===== Order section ===== */
.order-section {
  padding: 6rem 0;
  background: linear-gradient(160deg, var(--nrg-navy) 0%, var(--nrg-navy-2) 60%, #12305e 100%);
  color: var(--nrg-white);
  position: relative; overflow: hidden;
}
.order-section::before {
  content: ''; position: absolute; top: -150px; right: -150px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(249,149,0,0.18) 0%, transparent 65%);
}
.order-section::after {
  content: ''; position: absolute; bottom: -200px; left: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(29,79,196,0.3) 0%, transparent 65%);
}
.order-section .container { position: relative; z-index: 2; }
.order-section .section-title { color: var(--nrg-white); }
.order-section .section-subtitle { color: rgba(255,255,255,0.75); }

.order-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
.order-card {
  background: var(--nrg-white);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  text-align: center;
  transition: all 0.4s var(--t);
  color: var(--nrg-dark);
  display: flex; flex-direction: column; align-items: center;
}
.order-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-glow), var(--shadow-lg); }
.order-card .product-img { height: 130px; display: flex; align-items: center; justify-content: center; margin-bottom: 1rem; }
.order-card .product-img img { max-height: 130px; width: auto; }
.order-card h3 { font-size: 1.2rem; margin-bottom: 0.25rem; }
.order-card .price { font-size: 1.9rem; font-weight: 900; color: var(--nrg-blue); font-family: var(--font-heading); margin-bottom: 0.35rem; }
.order-card .note { font-size: 0.82rem; color: var(--nrg-gray-2); margin-bottom: 1.25rem; }

/* ===== Video section ===== */
.video-section { padding: 6rem 0; background: var(--nrg-white); }
.video-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; align-items: center; }
.video-frame {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 16 / 9;
  background: var(--nrg-navy);
}
.video-link { display: block; position: relative; width: 100%; height: 100%; }
.video-link img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--t); }
.video-link:hover img { transform: scale(1.04); }
.video-play {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; pointer-events: none;
}
.video-play svg { width: 72px; height: 72px; filter: drop-shadow(0 8px 20px rgba(0,0,0,0.35)); transition: transform 0.3s var(--t), filter 0.3s var(--t); }
.video-link:hover .video-play svg { transform: scale(1.1); filter: drop-shadow(0 12px 28px rgba(0,0,0,0.5)); }
.video-content .benefit-list { list-style: none; margin-top: 1.5rem; }
.video-content .benefit-list li { display: flex; gap: 0.75rem; margin-bottom: 0.9rem; align-items: flex-start; color: var(--nrg-gray); }
.video-content .benefit-list li::before {
  content: '✓'; flex-shrink: 0;
  width: 22px; height: 22px; border-radius: 50%;
  background: rgba(29,79,196,0.12); color: var(--nrg-blue);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 800; margin-top: 2px;
}

/* ===== Brand marquee ===== */
.brands-section { padding: 4.5rem 0; background: var(--nrg-white); overflow: hidden; border-top: 1px solid rgba(11,18,32,0.06); }
.brands-section .section-header { margin-bottom: 2.5rem; }
.brands-section .section-title { font-size: clamp(1.6rem, 3vw, 2.2rem); }
.marquee {
  display: flex; overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex; flex-shrink: 0; align-items: center; gap: 4rem;
  padding-right: 4rem;
  animation: marquee 40s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-100%); } }
.marquee-track img {
  height: 44px; width: auto; max-width: 160px; object-fit: contain;
  filter: grayscale(100%); opacity: 0.55;
  transition: all 0.3s var(--t);
}
.marquee-track img:hover { filter: none; opacity: 1; }

/* ===== Why choose ===== */
.why-section { padding: 6rem 0; background: var(--nrg-white); }
.why-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; align-items: center; }
.why-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); position: relative; }
.why-features { display: grid; gap: 1.4rem; margin-top: 2rem; }
.why-feature { display: flex; gap: 1rem; }
.why-feature-icon {
  width: 50px; height: 50px; min-width: 50px; border-radius: 14px;
  background: linear-gradient(135deg, var(--nrg-blue) 0%, var(--nrg-blue-mid) 100%);
  color: var(--nrg-white);
  display: flex; align-items: center; justify-content: center;
}
.why-feature-icon svg { width: 24px; height: 24px; }
.why-feature h4 { margin-bottom: 0.25rem; font-size: 1.05rem; }
.why-feature p { color: var(--nrg-gray); font-size: 0.92rem; margin: 0; }

/* ===== FAQ ===== */
.faq-section { padding: 6rem 0; background: var(--nrg-light); }
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item {
  background: var(--nrg-white); border-radius: var(--radius-md);
  margin-bottom: 0.85rem; box-shadow: var(--shadow-sm); overflow: hidden;
  border: 1px solid rgba(11,18,32,0.05);
  transition: all 0.3s var(--t);
}
.faq-item.active { border-color: rgba(249,149,0,0.4); box-shadow: var(--shadow-md); }
.faq-question {
  width: 100%; background: none; border: none; padding: 1.4rem 1.6rem;
  text-align: left; font-family: var(--font-heading); font-size: 1.05rem; font-weight: 700;
  color: var(--nrg-navy); cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq-question::after {
  content: '+'; font-size: 1.6rem; font-weight: 400; color: var(--nrg-orange);
  transition: transform 0.3s var(--t); flex-shrink: 0; line-height: 1;
}
.faq-item.active .faq-question::after { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s var(--t); }
.faq-item.active .faq-answer { max-height: 600px; }
.faq-answer-inner { padding: 0 1.6rem 1.5rem; color: var(--nrg-gray); }

/* ===== Reviews ===== */
.reviews-section {
  padding: 6rem 0; text-align: center;
  background: linear-gradient(160deg, var(--nrg-navy) 0%, var(--nrg-navy-2) 100%);
  color: var(--nrg-white);
  position: relative; overflow: hidden;
}
.reviews-section::before {
  content: '"'; position: absolute; top: -60px; left: 50%; transform: translateX(-50%);
  font-size: 30rem; font-family: Georgia, serif; color: rgba(255,255,255,0.03); line-height: 1;
}
.review-card {
  max-width: 720px; margin: 0 auto; position: relative; z-index: 2;
  background: rgba(255,255,255,0.05); backdrop-filter: blur(16px);
  border-radius: var(--radius-lg); padding: 3rem 2.5rem;
  border: 1px solid rgba(255,255,255,0.1);
}
.review-stars { color: var(--nrg-orange-2); font-size: 1.4rem; letter-spacing: 0.2em; margin-bottom: 1.25rem; }
.review-text { font-size: 1.25rem; font-weight: 300; font-style: italic; margin-bottom: 1.5rem; }
.review-author { font-weight: 800; font-size: 0.95rem; }

/* ===== About strip ===== */
.about-section { padding: 6rem 0; background: var(--nrg-white); }
.about-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; align-items: center; }
.about-image { position: relative; }
.about-image img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.about-image::before {
  content: ''; position: absolute; bottom: -18px; right: -18px;
  width: 100%; height: 100%; background: var(--nrg-orange);
  border-radius: var(--radius-lg); z-index: -1; opacity: 0.9;
}

/* ===== CTA ===== */
.cta-section {
  padding: 5.5rem 0; text-align: center; color: var(--nrg-white);
  background:
    radial-gradient(ellipse 60% 80% at 50% 120%, rgba(252,185,22,0.4) 0%, transparent 60%),
    linear-gradient(135deg, var(--nrg-orange) 0%, #e68200 100%);
}
.cta-section h2 { font-size: clamp(1.9rem, 4.5vw, 3rem); margin-bottom: 0.75rem; }
.cta-section p { font-size: 1.15rem; opacity: 0.92; margin-bottom: 2rem; }

/* ===== Footer ===== */
.site-footer { background: var(--nrg-navy); color: rgba(255,255,255,0.75); padding: 4.5rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 2.5rem; margin-bottom: 3rem; }
.footer-brand img { height: 58px; width: auto; margin-bottom: 1.25rem; transition: all 0.3s var(--t); }
.footer-brand img:hover { transform: scale(1.04); filter: drop-shadow(0 6px 16px rgba(252, 185, 22, 0.35)); }
.footer-brand p { color: rgba(255,255,255,0.6); font-size: 0.92rem; }
.footer-title { color: var(--nrg-white); font-size: 1rem; margin-bottom: 1.25rem; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.7rem; }
.footer-links a { color: rgba(255,255,255,0.7); }
.footer-links a:hover { color: var(--nrg-orange-2); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08); padding-top: 1.75rem;
  display: flex; flex-direction: column; gap: 0.75rem;
  text-align: center; font-size: 0.85rem; color: rgba(255,255,255,0.45);
}

/* ===== Sticky mobile CTA ===== */
.sticky-cta {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--nrg-white);
  box-shadow: 0 -8px 30px rgba(0,0,0,0.15);
  padding: 0.7rem 1rem;
  display: flex; gap: 0.6rem; z-index: 999;
  transform: translateY(110%); transition: transform 0.4s var(--t);
}
.sticky-cta.visible { transform: translateY(0); }
.sticky-cta .btn { flex: 1; padding: 0.75rem 0.4rem; font-size: 0.8rem; }

/* ===== Page header ===== */
.page-header {
  background: var(--nrg-navy);
  color: var(--nrg-white);
  padding: 8rem 0 4.5rem;
  text-align: center;
  position: relative; overflow: hidden;
}
.page-header::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(29,79,196,0.4) 0%, transparent 65%);
}
.page-header .container { position: relative; z-index: 2; }
.page-header h1 { font-size: clamp(2rem, 5.5vw, 3.4rem); }
.page-header p { font-size: 1.1rem; opacity: 0.85; max-width: 680px; margin: 0 auto; font-weight: 300; }

.content-section { padding: 4.5rem 0; }
.content-section:nth-child(even) { background: var(--nrg-light); }
.two-column { display: grid; grid-template-columns: 1fr; gap: 3rem; align-items: center; }

.icon-list { list-style: none; margin-top: 1.5rem; }
.icon-list li { display: flex; align-items: flex-start; gap: 0.75rem; margin-bottom: 0.9rem; }
.icon-list li::before {
  content: '✓'; display: flex; align-items: center; justify-content: center;
  width: 24px; height: 24px; min-width: 24px; border-radius: 50%;
  background: rgba(29,79,196,0.12); color: var(--nrg-blue);
  font-size: 0.75rem; font-weight: 800; margin-top: 2px;
}

/* ===== Contact cards ===== */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; margin-top: 2rem; }
.contact-card {
  background: var(--nrg-white); border-radius: var(--radius-md); padding: 2rem;
  box-shadow: var(--shadow-sm); text-align: center; transition: all 0.35s var(--t);
  border: 1px solid rgba(11,18,32,0.05);
}
.contact-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.contact-card-icon {
  width: 60px; height: 60px; border-radius: 50%;
  background: linear-gradient(135deg, var(--nrg-blue) 0%, var(--nrg-blue-mid) 100%);
  color: var(--nrg-white);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
}
.contact-card-icon svg { width: 28px; height: 28px; }
.contact-card h3 { margin-bottom: 0.4rem; font-size: 1.15rem; }
.contact-card a { font-weight: 800; font-size: 1.05rem; }

/* ===== Form ===== */
.form-card { background: var(--nrg-white); border-radius: var(--radius-lg); padding: 2rem; box-shadow: var(--shadow-md); }
.form-card label { display: block; font-weight: 700; margin-bottom: 0.35rem; font-size: 0.9rem; color: var(--nrg-navy); }
.form-card input, .form-card textarea {
  width: 100%; padding: 0.9rem 1.1rem; border: 1px solid #e2e6ee;
  border-radius: var(--radius-sm); font-family: inherit; font-size: 1rem;
  transition: all 0.25s var(--t); background: #fbfcfe;
}
.form-card input:focus, .form-card textarea:focus {
  outline: none; border-color: var(--nrg-blue); box-shadow: 0 0 0 4px rgba(29,79,196,0.1); background: #fff;
}

/* ===== Notice ===== */
.shop-notice {
  background: #eef4ff; border-left: 4px solid var(--nrg-blue);
  padding: 1.15rem 1.4rem; border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.75rem 0; font-size: 0.95rem;
}

/* ===== Reveal ===== */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity 0.7s var(--t), transform 0.7s var(--t); }
.reveal.active { opacity: 1; transform: translateY(0); }

/* ===== Responsive ===== */
@media (min-width: 640px) {
  .hero-actions { flex-direction: row; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .order-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .lookup-input-group { flex-direction: row; }
}

@media (min-width: 1024px) {
  .main-nav { display: block; }
  .header-cta { display: block; }
  .mobile-menu-toggle { display: none; }
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .services-grid.services-grid-6 { grid-template-columns: repeat(3, 1fr); }
  .order-grid { grid-template-columns: repeat(5, 1fr); }
  .why-grid, .about-grid, .two-column, .video-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1.5fr; }
  .footer-bottom { flex-direction: row; justify-content: space-between; text-align: left; }
  .contact-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-content { padding: 10rem 0 8rem; }
  .site-logo img { height: 66px; }
}

/* ===== Gas bottle loader (first visit) ===== */
.nrg-loader {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(ellipse 70% 55% at 50% 35%, rgba(29,79,196,0.35) 0%, transparent 65%),
    var(--nrg-navy);
  opacity: 0; visibility: hidden;
  transition: opacity 0.6s var(--t), visibility 0.6s var(--t);
}
.nrg-loader.active { opacity: 1; visibility: visible; }
.nrg-loader.done { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-inner { text-align: center; }
.loader-bottle { width: 130px; height: auto; margin: 0 auto; filter: drop-shadow(0 20px 40px rgba(0,0,0,0.4)); }
.loader-part { fill: #ffffff; }
.loader-body-outline { fill: rgba(255,255,255,0.04); stroke: rgba(255,255,255,0.85); stroke-width: 3; }
.loader-collar { fill: none; stroke: #ffffff; stroke-width: 8; stroke-linecap: round; }
.loader-liquid { transform: translateY(185px); }
.nrg-loader.active .loader-liquid { animation: nrgFill 2.4s cubic-bezier(0.4, 0, 0.2, 1) forwards; }
@keyframes nrgFill { to { transform: translateY(20px); } }
.loader-wave { animation: nrgWave 1.8s linear infinite; }
@keyframes nrgWave { from { transform: translateX(0); } to { transform: translateX(-100px); } }
.bubble { opacity: 0; }
.nrg-loader.active .bubble { animation: nrgBubble 2.2s ease-in infinite; }
.nrg-loader.active .b2 { animation-delay: 0.5s; }
.nrg-loader.active .b3 { animation-delay: 0.9s; }
.nrg-loader.active .b4 { animation-delay: 1.3s; }
@keyframes nrgBubble {
  0% { transform: translateY(0); opacity: 0; }
  15% { opacity: 0.85; }
  100% { transform: translateY(-120px); opacity: 0; }
}
.loader-percent {
  font-family: var(--font-heading); font-weight: 900;
  font-size: 2.2rem; color: var(--nrg-orange-2);
  margin-top: 1.25rem; line-height: 1;
}
.loader-text {
  color: rgba(255,255,255,0.65); font-size: 0.85rem;
  letter-spacing: 0.14em; text-transform: uppercase; margin-top: 0.5rem;
}
.loader-text strong { color: var(--nrg-orange-2); font-weight: 900; }
.loader-logo { height: 46px; width: auto; margin: 1.5rem auto 0; opacity: 0; transform: translateY(12px); transition: all 0.7s var(--t); }
.nrg-loader.filled .loader-logo { opacity: 1; transform: translateY(0); }

/* ===== Floating hero gas bottle ===== */
.hero-bottle {
  position: absolute; right: 5%; bottom: 10%; z-index: 1;
  width: 160px; display: none;
  animation: heroFloat 7s ease-in-out infinite;
  filter: drop-shadow(0 30px 50px rgba(0,0,0,0.45));
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0) rotate(-3deg); }
  50% { transform: translateY(-18px) rotate(3deg); }
}
.hero-bottle .bottle-outline { fill: rgba(255,255,255,0.07); stroke: rgba(255,255,255,0.9); stroke-width: 3; }
.hero-bottle .bottle-part { fill: rgba(255,255,255,0.9); }
.hero-bottle .bottle-collar { fill: none; stroke: rgba(255,255,255,0.9); stroke-width: 8; stroke-linecap: round; }
.hero-bottle .liquid { transform: translateY(67px); }
.hero-bottle .wave { animation: nrgWave 2.2s linear infinite; }
.hero-bottle .bubble { animation: nrgBubble 3s ease-in infinite; }
.hero-bottle .b2 { animation-delay: 0.8s; }
.hero-bottle .b3 { animation-delay: 1.6s; }
@media (min-width: 1024px) { .hero-bottle { display: block; } }

/* ===== Curved section transitions ===== */
.curve-top {
  border-radius: var(--curve) var(--curve) 0 0;
  margin-top: calc(var(--curve) * -1);
  position: relative;
  z-index: 3;
}
@media (max-width: 768px) {
  .curve-top { border-radius: 32px 32px 0 0; margin-top: -32px; }
}

/* ===== Order wizard ===== */
.wizard-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 2.75rem 2rem;
  color: var(--nrg-white);
  text-align: center;
  box-shadow: var(--shadow-lg);
  max-width: 760px;
  margin: 0 auto;
}
.wizard-card h2 { font-size: clamp(1.4rem, 3.5vw, 1.9rem); margin-bottom: 0.5rem; }
.wizard-card h2 .accent { color: var(--nrg-orange-2); }
.wizard-card > .wizard-pane > p { opacity: 0.75; margin-bottom: 1.5rem; }

.wizard-steps { display: flex; align-items: center; justify-content: center; gap: 0.6rem; margin-bottom: 2.25rem; }
.wizard-step-dot {
  width: 34px; height: 34px; border-radius: 50%;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.55);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 0.85rem;
  transition: all 0.3s var(--t);
}
.wizard-step-dot.active { background: var(--nrg-orange-2); color: #241500; box-shadow: 0 0 0 5px rgba(252,185,22,0.18); }
.wizard-step-dot.done { background: #4ade80; color: #052e16; }
.wizard-step-line { width: 44px; height: 2px; background: rgba(255,255,255,0.15); border-radius: 2px; }

.wizard-pane { display: none; }
.wizard-pane.active { display: block; animation: fadeInUp 0.45s var(--t); }

.wizard-error { color: #fca5a5; margin-top: 1rem; min-height: 1.3em; font-size: 0.9rem; }
.wizard-cutoff { opacity: 0.7; font-size: 0.92rem; margin-top: -0.5rem; }

.wizard-bottles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.9rem;
  margin: 1.75rem 0 0.5rem;
}
.wizard-bottle {
  background: rgba(255,255,255,0.06);
  border: 2px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-md);
  padding: 1.15rem 0.85rem;
  cursor: pointer;
  text-align: center;
  color: #fff;
  transition: all 0.25s var(--t);
  user-select: none;
}
.wizard-bottle:hover { border-color: rgba(252,185,22,0.5); transform: translateY(-3px); }
.wizard-bottle.selected {
  border-color: var(--nrg-orange-2);
  background: rgba(252,185,22,0.12);
  box-shadow: 0 0 0 4px rgba(252,185,22,0.15);
}
.wizard-bottle img { height: 72px; width: auto; margin: 0 auto 0.6rem; }
.wizard-bottle .b-name { font-weight: 800; font-size: 0.92rem; }
.wizard-bottle .b-price { color: var(--nrg-orange-2); font-weight: 900; font-family: var(--font-heading); font-size: 1.1rem; }
.wizard-bottle .b-note { font-size: 0.72rem; opacity: 0.6; }

.wizard-actions { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-top: 1.5rem; }
.wizard-actions .btn[disabled] { opacity: 0.4; cursor: not-allowed; pointer-events: none; }

.wizard-summary {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 1.3rem 1.5rem;
  margin: 1.25rem 0;
  text-align: left;
  display: flex;
  gap: 1.25rem;
  align-items: center;
}
.wizard-summary img { height: 66px; width: auto; }
.wizard-handoff { font-size: 0.85rem; opacity: 0.7; max-width: 480px; margin: 0 auto; }

@media (max-width: 560px) {
  .wizard-card { padding: 2rem 1.25rem; }
  .wizard-actions { flex-direction: column-reverse; }
  .wizard-actions .btn { width: 100%; }
}