/* ========================================
   APEX Building Distributors — Stylesheet
   ======================================== */

:root {
  --charcoal: #1a1a1a;
  --charcoal-mid: #252525;
  --charcoal-light: #2d2d2d;
  --green-deep: #1B4332;
  --green-mid: #2D6A4F;
  --green-accent: #40916C;
  --green-bright: #52B788;
  --green-light: #E8F5E9;
  --green-pale: #F1F8F4;
  --off-white: #FAFAF8;
  --light-gray: #F0EFEA;
  --mid-gray: #D5D4D0;
  --text-muted: #6B6B67;
  --text-body: #2C2C2C;
  --white: #FFFFFF;
  --border: #E5E4E0;
  --border-light: #EEECE8;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.1);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Barlow', sans-serif;
  background: var(--white);
  color: var(--text-body);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Selection */
::selection { background: var(--green-accent); color: var(--white); }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--off-white); }
::-webkit-scrollbar-thumb { background: var(--mid-gray); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(32px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes gentlePulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.7; }
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5 {
  font-family: 'Barlow Condensed', sans-serif;
  letter-spacing: 0.01em;
  line-height: 1.1;
}

h1 { font-size: clamp(2.8rem, 5.5vw, 5rem); font-weight: 800; text-transform: uppercase; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.9rem, 3.5vw, 2.8rem); font-weight: 700; text-transform: uppercase; letter-spacing: 0.02em; }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em; }
h4 { font-size: 1rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }
p { font-size: 0.95rem; color: var(--text-body); line-height: 1.75; }

/* ========================================
   NAVIGATION
   ======================================== */

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(26, 26, 26, 0.92);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background 0.3s, box-shadow 0.3s;
}

nav.scrolled {
  background: rgba(26, 26, 26, 0.98);
  box-shadow: 0 1px 20px rgba(0,0,0,0.15);
}

.nav-logo {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--white);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: opacity 0.2s;
}

.nav-logo:hover { opacity: 0.85; }
.nav-logo span { color: var(--green-bright); }

.nav-links {
  display: flex;
  gap: 0;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  padding: 0 16px;
  height: 68px;
  display: flex;
  align-items: center;
  border-bottom: 2px solid transparent;
  transition: color 0.25s, border-color 0.25s, background 0.25s;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active { color: var(--white); border-bottom-color: var(--green-accent); }

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--green-accent);
  transform: scaleX(0);
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  transform-origin: left;
}

.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }

.nav-cta {
  background: var(--green-deep);
  color: var(--white) !important;
  padding: 10px 22px !important;
  height: auto !important;
  border: 1px solid var(--green-accent) !important;
  border-radius: var(--radius-sm);
  font-weight: 700 !important;
  letter-spacing: 0.08em !important;
  margin-left: 8px;
  transition: background 0.25s, transform 0.15s, box-shadow 0.25s !important;
}

.nav-cta:hover {
  background: var(--green-mid) !important;
  color: var(--white) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(27,67,50,0.3) !important;
}

.nav-cta::after { display: none !important; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--white);
  transition: all 0.25s;
}

.nav-hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }

/* ========================================
   PAGE SYSTEM
   ======================================== */

.page { display: none; padding-top: 68px; }
.page.active { display: block; animation: fadeIn 0.5s ease; }

/* ========================================
   BUTTONS
   ======================================== */

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--green-deep);
  color: var(--white);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 16px 32px;
  border: 1px solid var(--green-accent);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.25s, transform 0.15s, box-shadow 0.25s;
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.06) 100%);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn-primary:hover {
  background: var(--green-mid);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(27,67,50,0.3);
}

.btn-primary:hover::before { opacity: 1; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: var(--white);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 15px 32px;
  border: 1px solid rgba(255,255,255,0.25);
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.25s, background 0.25s, transform 0.15s;
  border-radius: var(--radius-sm);
}

.btn-secondary:hover {
  border-color: rgba(255,255,255,0.55);
  background: rgba(255,255,255,0.05);
  transform: translateY(-1px);
}

.btn-outline-dark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: var(--charcoal);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 15px 32px;
  border: 1px solid rgba(26,26,26,0.25);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.25s, color 0.25s, transform 0.15s, border-color 0.25s;
  border-radius: var(--radius-sm);
}

.btn-outline-dark:hover {
  background: var(--charcoal);
  color: var(--white);
  border-color: var(--charcoal);
  transform: translateY(-1px);
}

.btn-green-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: var(--green-deep);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 15px 32px;
  border: 1px solid var(--green-mid);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.25s, color 0.25s, transform 0.15s, border-color 0.25s;
  border-radius: var(--radius-sm);
}

.btn-green-outline:hover {
  background: var(--green-deep);
  color: var(--white);
  transform: translateY(-1px);
}

/* ========================================
   HERO
   ======================================== */

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background: var(--charcoal);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, #0d1a13 0%, #141f18 35%, #1a1a1a 70%, #1a221d 100%);
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.4;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,0.018) 0, rgba(255,255,255,0.018) 1px, transparent 1px, transparent 80px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.018) 0, rgba(255,255,255,0.018) 1px, transparent 1px, transparent 80px);
}

.hero-dots {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.15;
  background-image: radial-gradient(circle, rgba(255,255,255,0.4) 1px, transparent 1px);
  background-size: 40px 40px;
}

.hero-accent {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 50%;
  background: linear-gradient(160deg, rgba(27,67,50,0.6) 0%, rgba(13,34,25,0.8) 100%);
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0 100%);
  z-index: 1;
  opacity: 0.6;
}

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(64,145,108,0.08) 0%, transparent 70%);
  top: 10%;
  right: 5%;
  z-index: 1;
  animation: gentlePulse 6s ease-in-out infinite;
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding: 100px 48px;
  max-width: 1320px;
  margin: 0 auto;
  width: 100%;
}

.hero-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--green-bright);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 14px;
  opacity: 0.9;
}

.hero-label::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 1.5px;
  background: var(--green-bright);
}

.hero h1 {
  color: var(--white);
  max-width: 780px;
  margin-bottom: 32px;
  text-shadow: 0 2px 40px rgba(0,0,0,0.2);
}

.hero h1 span { color: var(--green-bright); }

.hero-sub {
  font-size: 1.08rem;
  color: rgba(255,255,255,0.65);
  max-width: 560px;
  margin-bottom: 52px;
  font-weight: 300;
  line-height: 1.85;
  letter-spacing: 0.01em;
}

.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-stats {
  margin-top: 80px;
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 48px;
  width: fit-content;
}

.hero-stat {
  padding: 0 56px 0 0;
  margin-right: 56px;
  border-right: 1px solid rgba(255,255,255,0.08);
}

.hero-stat:last-child { border-right: none; padding-right: 0; margin-right: 0; }

.hero-stat-num {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  transition: color 0.3s;
}

.hero-stat-num span { color: var(--green-bright); }

.hero-stat-label {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-top: 6px;
  font-weight: 500;
  font-family: 'Barlow Condensed', sans-serif;
}

/* ========================================
   SECTIONS
   ======================================== */

.section { padding: 120px 48px; max-width: 1320px; margin: 0 auto; }
.section-full { padding: 120px 48px; }

.section-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--green-mid);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 1.5px;
  background: var(--green-mid);
}

.section-title { margin-bottom: 18px; }
.section-title span { color: var(--green-deep); }

.section-sub {
  font-size: 1.02rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 64px;
  font-weight: 300;
  line-height: 1.75;
}

/* ========================================
   ABOUT STRIP
   ======================================== */

.about-strip {
  background: var(--off-white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.about-strip::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(27,67,50,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.about-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 100px 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
}

.about-body p {
  margin-bottom: 18px;
  color: var(--text-body);
  font-size: 0.96rem;
  line-height: 1.85;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 36px;
}

.tag {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 8px 16px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: var(--white);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  cursor: default;
}

.tag:hover {
  border-color: var(--green-accent);
  color: var(--green-deep);
  background: var(--green-pale);
}

.about-right {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.about-card {
  background: var(--white);
  padding: 32px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green-deep), var(--green-accent));
  opacity: 0;
  transition: opacity 0.3s;
}

.about-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--green-accent);
}

.about-card:hover::before { opacity: 1; }

.about-card-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-pale);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  color: var(--green-deep);
  transition: background 0.3s, color 0.3s;
}

.about-card:hover .about-card-icon { background: var(--green-deep); color: var(--white); }

.about-card h4 { font-size: 0.82rem; color: var(--charcoal); margin-bottom: 10px; }
.about-card p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.7; }

/* ========================================
   PRODUCT GRID
   ======================================== */

.product-section { background: var(--white); position: relative; }

.product-section::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.product-card {
  background: var(--white);
  padding: 36px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s, border-color 0.35s, background 0.35s;
  cursor: default;
}

.product-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green-deep), var(--green-accent));
  transform: scaleX(0);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  transform-origin: left;
}

.product-card:hover {
  background: var(--green-deep);
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--green-deep);
}

.product-card:hover::after { transform: scaleX(1); }

.product-card:hover .product-card-title,
.product-card:hover .product-card-body,
.product-card:hover .product-card-grades { color: rgba(255,255,255,0.92) !important; }

.product-card:hover .product-card-num { color: rgba(255,255,255,0.08) !important; }

.product-card-num {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--light-gray);
  position: absolute;
  top: 20px;
  right: 24px;
  line-height: 1;
  transition: color 0.35s;
  z-index: 0;
}

.product-card-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--charcoal);
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
  transition: color 0.35s;
}

.product-card-body {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
  transition: color 0.35s;
}

.product-card-grades {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--green-mid);
  position: relative;
  z-index: 1;
  transition: color 0.35s;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.product-card-grades span {
  background: var(--green-pale);
  padding: 3px 10px;
  border-radius: 3px;
  transition: background 0.35s, color 0.35s;
}

.product-card:hover .product-card-grades span { background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.8); }

/* ========================================
   WHY CHOOSE
   ======================================== */

.why-strip {
  background: var(--charcoal);
  position: relative;
  overflow: hidden;
}

.why-strip::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(64,145,108,0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(64,145,108,0.04) 0%, transparent 50%);
  pointer-events: none;
}

.why-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 120px 48px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 100px;
  align-items: start;
  position: relative;
  z-index: 1;
}

.why-left h2 { color: var(--white); }

.why-left p {
  color: rgba(255,255,255,0.45);
  font-size: 0.92rem;
  margin-top: 24px;
  line-height: 1.8;
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.why-item {
  background: rgba(30,30,30,0.6);
  padding: 36px 30px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.3s, background 0.3s, transform 0.3s;
  backdrop-filter: blur(10px);
}

.why-item:hover {
  border-bottom-color: var(--green-accent);
  background: rgba(35,35,35,0.8);
  transform: translateY(-2px);
}

.why-item-num {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--green-accent);
  margin-bottom: 14px;
  opacity: 0.7;
}

.why-item h4 { font-size: 0.92rem; color: var(--white); margin-bottom: 12px; }

.why-item p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.75;
}

/* ========================================
   ENERGY BANNER
   ======================================== */

.energy-banner {
  background: linear-gradient(135deg, var(--green-deep) 0%, #164030 50%, var(--green-deep) 100%);
  padding: 100px 48px;
  position: relative;
  overflow: hidden;
}

.energy-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 80% 50%, rgba(82,183,136,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.energy-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.energy-inner h2 { color: var(--white); }

.energy-inner .section-label::before { background: rgba(255,255,255,0.35); }
.energy-inner .section-label { color: rgba(255,255,255,0.55); }

.energy-inner p {
  color: rgba(255,255,255,0.65);
  margin-bottom: 24px;
  font-size: 0.95rem;
  line-height: 1.85;
}

.energy-right {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.energy-stat {
  background: rgba(0,0,0,0.18);
  padding: 32px 28px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.06);
  transition: background 0.3s, transform 0.3s;
}

.energy-stat:hover { background: rgba(0,0,0,0.25); transform: translateY(-2px); }

.energy-stat-val {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.energy-stat-label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  margin-top: 10px;
  font-weight: 300;
  line-height: 1.55;
}

/* ========================================
   ISO STRIP
   ======================================== */

.iso-strip {
  background: var(--off-white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 48px;
  position: relative;
}

.iso-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.iso-card {
  background: var(--white);
  padding: 40px 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  position: relative;
  overflow: hidden;
}

.iso-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green-deep), var(--green-accent));
  opacity: 0;
  transition: opacity 0.3s;
}

.iso-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--green-accent);
}

.iso-card:hover::before { opacity: 1; }

.iso-card h4 { font-size: 0.92rem; color: var(--charcoal); margin-bottom: 12px; }

.iso-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.75; }

.iso-badge {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  padding: 5px 12px;
  background: var(--green-pale);
  color: var(--green-deep);
  margin-bottom: 16px;
  border-radius: 3px;
  border: 1px solid rgba(27,67,50,0.1);
}

/* ========================================
   CTA BLOCK
   ======================================== */

.cta-block {
  background: var(--charcoal);
  padding: 120px 48px;
  position: relative;
  overflow: hidden;
}

.cta-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 50% 50%, rgba(64,145,108,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.cta-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-inner h2 { color: var(--white); margin-bottom: 24px; }

.cta-inner p {
  color: rgba(255,255,255,0.55);
  font-size: 1.05rem;
  margin-bottom: 44px;
  font-weight: 300;
  line-height: 1.85;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }

/* ========================================
   FOOTER
   ======================================== */

footer {
  background: #111111;
  padding: 72px 48px 36px;
  border-top: 1px solid rgba(255,255,255,0.05);
  position: relative;
}

.footer-inner { max-width: 1320px; margin: 0 auto; }

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 56px;
  margin-bottom: 64px;
}

.footer-brand {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--white);
  margin-bottom: 18px;
}

.footer-brand span { color: var(--green-bright); }

.footer-desc {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.35);
  line-height: 1.8;
  max-width: 300px;
}

.footer-col h5 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: rgba(255,255,255,0.3);
  margin-bottom: 22px;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 12px; }

.footer-col ul li a {
  font-size: 0.84rem;
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  cursor: pointer;
  transition: color 0.25s, padding-left 0.25s;
  display: inline-block;
}

.footer-col ul li a:hover { color: var(--white); padding-left: 4px; }

.footer-contact-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 18px;
}

.footer-contact-label {
  font-size: 0.65rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.25);
}

.footer-contact-val {
  font-size: 0.84rem;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s;
}

.footer-contact-val:hover { color: rgba(255,255,255,0.8); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copy { font-size: 0.78rem; color: rgba(255,255,255,0.2); }

/* ========================================
   PAGE HEADER (Interior Pages)
   ======================================== */

.page-header {
  background: var(--charcoal);
  padding: 120px 48px 96px;
  position: relative;
  overflow: hidden;
}

.page-header-grid {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,0.015) 0, rgba(255,255,255,0.015) 1px, transparent 1px, transparent 70px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.015) 0, rgba(255,255,255,0.015) 1px, transparent 1px, transparent 70px);
}

.page-header-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.25) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.1;
}

.page-header-accent {
  position: absolute;
  right: -100px;
  top: -100px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(64,145,108,0.15) 0%, transparent 70%);
}

.page-header-inner {
  max-width: 1320px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.page-header h1 {
  color: var(--white);
  font-size: clamp(2.4rem, 4.5vw, 4rem);
}

.page-header h1 span { color: var(--green-bright); }

.page-header-sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.55);
  max-width: 620px;
  margin-top: 24px;
  font-weight: 300;
  line-height: 1.85;
}

.breadcrumb {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.3);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.breadcrumb span { color: var(--green-bright); opacity: 0.8; }

/* ========================================
   ABOUT PAGE
   ======================================== */

.about-page-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: start;
  padding: 120px 48px;
  max-width: 1320px;
  margin: 0 auto;
}

.about-page-body p {
  margin-bottom: 22px;
  font-size: 0.97rem;
  color: var(--text-body);
  line-height: 1.85;
}

.about-audience {
  background: var(--off-white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 100px 48px;
  position: relative;
  overflow: hidden;
}

.about-audience::before {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(27,67,50,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.audience-inner { max-width: 1320px; margin: 0 auto; position: relative; z-index: 1; }

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}

.audience-card {
  background: var(--white);
  padding: 40px 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: transform 0.3s, box-shadow 0.3s;
}

.audience-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.audience-card h3 { font-size: 1rem; color: var(--charcoal); margin-bottom: 14px; }

.audience-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.8; }

.about-uk-strip {
  background: linear-gradient(135deg, var(--green-deep) 0%, #164030 100%);
  padding: 80px 48px;
  position: relative;
  overflow: hidden;
}

.about-uk-strip::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 50%, rgba(82,183,136,0.08) 0%, transparent 50%);
  pointer-events: none;
}

.about-uk-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 48px;
  position: relative;
  z-index: 1;
}

.about-uk-inner h2 { color: var(--white); flex: 1; }

.about-uk-inner p {
  color: rgba(255,255,255,0.6);
  flex: 1;
  font-size: 0.97rem;
  font-weight: 300;
  line-height: 1.85;
}

/* ========================================
   FILTER RANGE PAGE
   ======================================== */

.filter-range-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 56px;
}

.filter-cat {
  background: var(--white);
  padding: 44px 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.filter-cat::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--green-deep), var(--green-accent));
}

.filter-cat:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--green-accent);
}

.filter-cat h3 { font-size: 1.15rem; color: var(--charcoal); margin-bottom: 14px; }

.filter-cat-desc {
  font-size: 0.9rem;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 22px;
}

.filter-cat-grades { display: flex; flex-wrap: wrap; gap: 8px; }

.grade-pill {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 6px 12px;
  background: var(--green-pale);
  color: var(--green-deep);
  border-radius: 3px;
  border: 1px solid rgba(27,67,50,0.08);
  transition: background 0.2s, transform 0.15s;
}

.grade-pill:hover { background: var(--green-light); transform: translateY(-1px); }

.filter-formats {
  background: var(--charcoal);
  padding: 80px 48px;
  position: relative;
  overflow: hidden;
}

.filter-formats::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 50% 100%, rgba(64,145,108,0.06) 0%, transparent 50%);
  pointer-events: none;
}

.filter-formats-inner { max-width: 1320px; margin: 0 auto; position: relative; z-index: 1; }

.format-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 56px;
}

.format-item {
  background: rgba(255,255,255,0.04);
  padding: 36px 28px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.06);
  transition: background 0.3s, transform 0.3s, border-color 0.3s;
}

.format-item:hover {
  background: rgba(255,255,255,0.07);
  transform: translateY(-3px);
  border-color: rgba(255,255,255,0.12);
}

.format-item h4 { color: var(--white); font-size: 0.92rem; margin-bottom: 12px; }

.format-item p { color: rgba(255,255,255,0.4); font-size: 0.82rem; line-height: 1.75; }

.filter-product-showcase {
  background: var(--off-white);
  border-top: 1px solid var(--border);
  padding: 100px 48px;
  position: relative;
}

.filter-product-showcase::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(27,67,50,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.product-showcase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 56px;
}

.showcase-item {
  background: var(--white);
  padding: 32px 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.showcase-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--green-accent);
}

.showcase-item h4 { font-size: 0.85rem; color: var(--charcoal); margin-bottom: 10px; }

.showcase-item p { font-size: 0.8rem; color: var(--text-muted); line-height: 1.7; }

/* ========================================
   FILTER GRADES PAGE
   ======================================== */

.grades-tiers { padding: 100px 48px; max-width: 1320px; margin: 0 auto; }

.grade-tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 64px;
}

.grade-tier {
  background: var(--white);
  padding: 44px 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}

.grade-tier:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.grade-tier.featured {
  background: linear-gradient(135deg, var(--green-deep) 0%, #164030 100%);
  border-color: var(--green-deep);
}

.grade-tier.featured:hover { box-shadow: 0 12px 40px rgba(27,67,50,0.25); }

.grade-tier-badge {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  padding: 5px 14px;
  background: var(--green-pale);
  color: var(--green-deep);
  display: inline-block;
  margin-bottom: 18px;
  border-radius: 3px;
  border: 1px solid rgba(27,67,50,0.1);
}

.grade-tier.featured .grade-tier-badge {
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.85);
  border-color: rgba(255,255,255,0.15);
}

.grade-tier h3 { font-size: 1.25rem; color: var(--charcoal); margin-bottom: 16px; }
.grade-tier.featured h3 { color: var(--white); }

.grade-tier p {
  font-size: 0.88rem;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 18px;
}

.grade-tier.featured p { color: rgba(255,255,255,0.7); }

.grade-feature-list { list-style: none; margin-top: 28px; }

.grade-feature-list li {
  font-size: 0.84rem;
  color: var(--text-muted);
  padding: 10px 0;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 12px;
}

.grade-feature-list li::before {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  background: var(--green-pale);
  border-radius: 50%;
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%232D6A4F' d='M6.5 10.2L3.8 7.5l-.7.7 3.4 3.4 7.2-7.2-.7-.7z'/%3E%3C/svg%3E");
  background-size: cover;
}

.grade-tier.featured .grade-feature-list li {
  color: rgba(255,255,255,0.55);
  border-top-color: rgba(255,255,255,0.1);
}

.grade-tier.featured .grade-feature-list li::before {
  background: rgba(255,255,255,0.15);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%2352B788' d='M6.5 10.2L3.8 7.5l-.7.7 3.4 3.4 7.2-7.2-.7-.7z'/%3E%3C/svg%3E");
  background-size: cover;
}

.match-strip {
  background: var(--off-white);
  border-top: 1px solid var(--border);
  padding: 100px 48px;
  position: relative;
}

.match-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
}

.match-inner h2 { margin-bottom: 20px; }

.match-inner p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  line-height: 1.85;
}

/* ========================================
   COMPLIANCE PAGE
   ======================================== */

.compliance-docs { padding: 100px 48px; max-width: 1320px; margin: 0 auto; }

.compliance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}

.compliance-card {
  background: var(--white);
  padding: 44px 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  position: relative;
  overflow: hidden;
}

.compliance-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green-deep), var(--green-accent));
  opacity: 0;
  transition: opacity 0.3s;
}

.compliance-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--green-accent);
}

.compliance-card:hover::before { opacity: 1; }

.compliance-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-pale);
  margin-bottom: 24px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(27,67,50,0.08);
  transition: background 0.3s, transform 0.3s;
}

.compliance-card:hover .compliance-icon { background: var(--green-deep); transform: scale(1.05); }

.compliance-icon svg { width: 22px; height: 22px; stroke: var(--green-deep); transition: stroke 0.3s; }

.compliance-card:hover .compliance-icon svg { stroke: var(--white); }

.compliance-card h3 { font-size: 1rem; color: var(--charcoal); margin-bottom: 14px; }

.compliance-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.8; }

.compliance-support {
  background: var(--charcoal);
  padding: 100px 48px;
  margin-top: 0;
  position: relative;
  overflow: hidden;
}

.compliance-support::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 30% 50%, rgba(64,145,108,0.06) 0%, transparent 50%);
  pointer-events: none;
}

.compliance-support-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.compliance-support-inner h2 { color: var(--white); }

.compliance-support-inner p {
  color: rgba(255,255,255,0.5);
  margin-bottom: 24px;
  font-size: 0.92rem;
  line-height: 1.85;
}

.doc-list { list-style: none; margin-top: 28px; }

.doc-list li {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.84rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.45);
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  gap: 12px;
  transition: color 0.2s, padding-left 0.2s;
}

.doc-list li:hover { color: rgba(255,255,255,0.7); padding-left: 4px; }

.doc-list li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  background: var(--green-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ========================================
   HOW TO ORDER PAGE
   ======================================== */

.order-steps { padding: 100px 48px; max-width: 1320px; margin: 0 auto; }

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 64px;
}

.step-card {
  background: var(--white);
  padding: 52px 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--green-accent);
}

.step-num {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 4.5rem;
  font-weight: 800;
  color: var(--light-gray);
  line-height: 1;
  position: absolute;
  top: 28px;
  right: 28px;
  transition: color 0.3s;
}

.step-card:hover .step-num { color: var(--mid-gray); }

.step-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--green-mid);
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
}

.step-card h3 { font-size: 1.15rem; color: var(--charcoal); margin-bottom: 18px; position: relative; z-index: 1; }

.step-card p {
  font-size: 0.9rem;
  color: var(--text-body);
  line-height: 1.8;
  position: relative;
  z-index: 1;
}

.order-info {
  background: var(--off-white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 100px 48px;
  position: relative;
}

.order-info-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}

.order-info-card {
  background: var(--white);
  padding: 44px 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s;
}

.order-info-card:hover { box-shadow: var(--shadow-md); }

.order-info-card h3 { font-size: 1.15rem; color: var(--charcoal); margin-bottom: 28px; }

.order-info-list { list-style: none; }

.order-info-list li {
  font-size: 0.9rem;
  color: var(--text-body);
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 14px;
  transition: padding-left 0.2s;
}

.order-info-list li:hover { padding-left: 4px; }

.order-info-list li:last-child { border-bottom: none; }

.order-info-list li::before {
  content: '';
  display: block;
  width: 20px;
  height: 20px;
  background: var(--green-pale);
  border-radius: 50%;
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%232D6A4F' d='M6.5 10.2L3.8 7.5l-.7.7 3.4 3.4 7.2-7.2-.7-.7z'/%3E%3C/svg%3E");
  background-size: cover;
}

/* ========================================
   CONTACT PAGE
   ======================================== */

.contact-layout {
  padding: 100px 48px;
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 100px;
  align-items: start;
}

.contact-info h3 { font-size: 1.25rem; color: var(--charcoal); margin-bottom: 28px; }

.contact-detail {
  margin-bottom: 36px;
  position: relative;
  padding-left: 20px;
  border-left: 2px solid var(--border);
  transition: border-color 0.3s;
}

.contact-detail:hover { border-left-color: var(--green-accent); }

.contact-detail-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.contact-detail-val { font-size: 1.05rem; color: var(--charcoal); font-weight: 500; }

.contact-detail-val a { color: var(--green-deep); text-decoration: none; transition: color 0.2s; }

.contact-detail-val a:hover { color: var(--green-accent); }

.contact-note {
  background: var(--green-pale);
  padding: 28px;
  margin-top: 40px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(27,67,50,0.08);
  position: relative;
}

.contact-note::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--green-deep), var(--green-accent));
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.contact-note p { font-size: 0.88rem; color: var(--green-deep); line-height: 1.8; }

.contact-form {
  background: var(--off-white);
  padding: 52px 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.contact-form h3 { font-size: 1.25rem; color: var(--charcoal); margin-bottom: 36px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}

.form-group {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--white);
  border: 1px solid var(--border);
  font-family: 'Barlow', sans-serif;
  font-size: 0.9rem;
  color: var(--text-body);
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
  border-radius: var(--radius-sm);
  -webkit-appearance: none;
  appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green-accent);
  box-shadow: 0 0 0 3px rgba(64,145,108,0.1);
  background: var(--white);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: #bbb; }

.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B6B67' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-submit { display: flex; gap: 16px; align-items: center; margin-top: 12px; }

.btn-submit {
  background: var(--green-deep);
  color: var(--white);
  border: none;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 16px 40px;
  cursor: pointer;
  transition: background 0.25s, transform 0.15s, box-shadow 0.25s;
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
}

.btn-submit::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.06) 100%);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn-submit:hover {
  background: var(--green-mid);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(27,67,50,0.25);
}

.btn-submit:hover::before { opacity: 1; }

.form-note { font-size: 0.8rem; color: var(--text-muted); line-height: 1.7; }

/* ========================================
   ADDITIONAL COMPONENT STYLES
   ======================================== */

/* Product section header & wrapper */
.product-section-header { padding: 100px 48px 0; max-width: 1320px; margin: 0 auto; }
.product-grid-wrapper { max-width: 1320px; margin: 0 auto; padding: 0 48px; }
.product-section-cta { text-align: center; padding: 48px 48px 100px; }

/* Filter range section */
.filter-range-section { padding: 100px 48px; max-width: 1320px; margin: 0 auto; }

/* Product showcase wrapper */
.product-showcase-wrapper { max-width: 1320px; margin: 0 auto; }

/* Commitment list (About page) */
.commitment-list { display: grid; grid-template-columns: 1fr; gap: 12px; }

.commitment-item {
  background: var(--white);
  padding: 28px 24px;
  border-left: 3px solid var(--green-deep);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  border-top: 1px solid var(--border);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: transform 0.3s, box-shadow 0.3s;
}

.commitment-item:hover { transform: translateX(4px); box-shadow: var(--shadow-md); }
.commitment-item h4 { font-size: 0.88rem; margin-bottom: 10px; }
.commitment-item p { font-size: 0.86rem; color: var(--text-muted); line-height: 1.75; }

/* Contact checklist */
.contact-checklist { list-style: none; margin-top: 18px; }

.contact-checklist li {
  font-size: 0.88rem;
  color: var(--text-body);
  padding: 10px 0;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 12px;
  transition: padding-left 0.2s;
}

.contact-checklist li:hover { padding-left: 4px; }

.contact-checklist li:last-child { border-bottom: none; }

.check-icon {
  display: block;
  width: 20px;
  height: 20px;
  background: var(--green-pale);
  border-radius: 50%;
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%232D6A4F' d='M6.5 10.2L3.8 7.5l-.7.7 3.4 3.4 7.2-7.2-.7-.7z'/%3E%3C/svg%3E");
  background-size: cover;
}

/* Form success message */
.form-success-msg {
  display: none;
  margin-top: 20px;
  padding: 20px;
  background: var(--green-pale);
  border-left: 3px solid var(--green-mid);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.form-success-msg p {
  font-size: 0.88rem;
  color: var(--green-deep);
  font-weight: 500;
  line-height: 1.7;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 1100px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .why-inner { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .filter-range-grid { grid-template-columns: 1fr; }
  .compliance-grid { grid-template-columns: 1fr 1fr; }
  .grade-tier-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .product-showcase-grid { grid-template-columns: repeat(2, 1fr); }
  .format-grid { grid-template-columns: repeat(2, 1fr); }
  .about-inner { gap: 60px; }
  .about-page-grid { gap: 60px; }
  .contact-layout { gap: 60px; }
  .energy-inner { gap: 60px; }
  .match-inner { gap: 60px; }
}

@media (max-width: 900px) {
  .about-inner { grid-template-columns: 1fr; }
  .about-page-grid { grid-template-columns: 1fr; }
  .energy-inner { grid-template-columns: 1fr; }
  .match-inner { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .compliance-support-inner { grid-template-columns: 1fr; }
  .order-info-inner { grid-template-columns: 1fr; }
  .about-uk-inner { flex-direction: column; }
  .steps-grid { grid-template-columns: 1fr; }
  .grade-tier-grid { grid-template-columns: 1fr; }
  .compliance-grid { grid-template-columns: 1fr; }
  .iso-inner { grid-template-columns: 1fr; }
  .audience-grid { grid-template-columns: 1fr; }
  .why-inner { grid-template-columns: 1fr; }
  .format-grid { grid-template-columns: repeat(2, 1fr); }
  .product-showcase-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  nav { padding: 0 24px; }
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(26,26,26,0.98);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 16px 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a { height: auto; padding: 14px 24px; border-bottom: 1px solid rgba(255,255,255,0.05); }
  .nav-links a::after { display: none; }
  .nav-cta { margin: 12px 24px !important; }
  .nav-hamburger { display: flex; }
  h1 { font-size: 2.4rem; }

  .hero-inner { padding: 72px 24px; }
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 28px;
    border: none;
    padding-top: 36px;
  }
  .hero-stat {
    border-right: none;
    padding-right: 0;
    margin-right: 0;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .hero-stat:last-child { border-bottom: none; padding-bottom: 0; }

  .section, .section-full { padding: 80px 24px; }

  .about-inner, .about-page-grid, .energy-inner, .match-inner,
  .contact-layout, .compliance-support-inner, .order-info-inner { padding-left: 24px; padding-right: 24px; }

  .about-right { grid-template-columns: 1fr 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .energy-right { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .cta-block { padding: 80px 24px; }
  .page-header { padding: 100px 24px 72px; }

  .filter-product-showcase { padding-left: 24px; padding-right: 24px; }
  .filter-formats { padding-left: 24px; padding-right: 24px; }
  .iso-strip { padding-left: 24px; padding-right: 24px; }
  .grades-tiers { padding-left: 24px; padding-right: 24px; }
  .compliance-docs { padding-left: 24px; padding-right: 24px; }
  .order-steps { padding-left: 24px; padding-right: 24px; }
  .about-audience { padding-left: 24px; padding-right: 24px; }
  .about-uk-strip { padding-left: 24px; padding-right: 24px; }
  .compliance-support { padding-left: 24px; padding-right: 24px; }
  .order-info { padding-left: 24px; padding-right: 24px; }
  footer { padding-left: 24px; padding-right: 24px; }

  .why-grid { grid-template-columns: 1fr; }
  .format-grid { grid-template-columns: 1fr; }
  .product-showcase-grid { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; align-items: flex-start; }
  .hero-ctas .btn-primary,
  .hero-ctas .btn-secondary { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; }
  .about-right { grid-template-columns: 1fr; }
  .product-showcase-grid { grid-template-columns: 1fr; }
  .format-grid { grid-template-columns: 1fr; }
  .energy-right { grid-template-columns: 1fr; }
  .cta-buttons { flex-direction: column; width: 100%; }
  .cta-buttons a { width: 100%; justify-content: center; }
  .form-row { grid-template-columns: 1fr; }
  .product-section-header { padding-left: 24px; padding-right: 24px; }
  .product-grid-wrapper { padding-left: 24px; padding-right: 24px; }
  .product-section-cta { padding-left: 24px; padding-right: 24px; }
  .filter-range-section { padding-left: 24px; padding-right: 24px; }
}