:root {
    --primary-green: #4CAF50;
    --dark-bg: #2b2b2b;
    --darker-bg: #1e1e1e;
    --text-white: #ffffff;
    --text-gray: #999999;
    --accent-yellow: #ffd700;
    --header-bg: #3a3a3a;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Work Sans', sans-serif; background-color: var(--darker-bg); color: var(--text-white); overflow-x: hidden; }

/* ---- NAV ---- */
.navbar-custom { background-color: var(--darker-bg); padding: 0; position: fixed; width: 100%; top: 0; z-index: 1000; border-bottom: 1px solid rgba(255,255,255,0.1); }
.navbar-custom .container { padding: 15px 40px; }
.navbar-brand-custom { font-family: 'Oswald', sans-serif; font-size: 24px; font-weight: 700; letter-spacing: 1px; color: var(--text-white) !important; }
.nav-link-custom { font-family: 'Work Sans', sans-serif; font-size: 13px; font-weight: 500; letter-spacing: 0.5px; color: var(--text-white) !important; margin: 0 20px; padding: 8px 0 !important; text-transform: uppercase; }
.search-icon-wrapper { background-color: rgba(255,255,255,0.1); padding: 8px 12px; border-radius: 4px; display: inline-flex; align-items: center; justify-content: center; margin-right: 15px; }
.search-icon { width: 20px; height: 20px; display: flex; align-items: center; justify-content: center; cursor: pointer; }
.btn-contact { background-color: var(--text-white); border: none; color: var(--dark-bg); font-family: 'Work Sans', sans-serif; font-weight: 700; font-size: 12px; padding: 12px 30px; letter-spacing: 1px; text-transform: uppercase; border-radius: 0; }

/* ---- HERO ---- */
.hero-section { position: relative; min-height: 100vh; display: flex; align-items: center; padding-top: 70px; overflow: hidden; background-color: var(--darker-bg); }
.hero-content-wrapper { position: relative; padding-left: 60px; margin-top: 20px; }
.hero-content-wrapper::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 1px; background-color: rgba(255,255,255,0.15); }
.hero-bg-gradient { position: absolute; right: 0; top: 0; width: 50%; height: 100%; background: linear-gradient(to left, rgba(139,195,74,0.15) 0%, rgba(139,195,74,0.08) 30%, transparent 100%); pointer-events: none; z-index: 1; }
.yellow-glow { position: absolute; right: -100px; top: 50%; transform: translateY(-50%); width: 400px; height: 400px; background: radial-gradient(circle at center, rgba(255,215,0,0.2) 0%, rgba(255,215,0,0.1) 30%, transparent 70%); pointer-events: none; z-index: 2; filter: blur(80px); }
.hero-content { position: relative; z-index: 3; }
.hero-title { font-family: 'Oswald', sans-serif; font-size: clamp(4rem,8vw,7rem); line-height: 0.95; font-weight: 700; letter-spacing: 3px; color: var(--text-white); margin-bottom: 15px; text-transform: uppercase; }
.hero-subtitle { font-family: 'Oswald', sans-serif; font-size: clamp(1rem,2vw,1.5rem); font-weight: 700; letter-spacing: 2px; color: var(--text-white); margin-bottom: 40px; text-transform: uppercase; }
.btn-hero { background-color: var(--primary-green); border: none; color: var(--text-white); font-family: 'Work Sans', sans-serif; font-weight: 700; font-size: 13px; padding: 18px 45px; letter-spacing: 1.5px; text-transform: uppercase; border-radius: 0; margin-bottom: 30px; }
.categories { display: flex; flex-wrap: wrap; gap: 20px; margin-bottom: 25px; }
.category-badge { font-family: 'Work Sans', sans-serif; font-size: 11px; font-weight: 600; padding: 0; background: transparent; border: none; color: var(--text-white); letter-spacing: 1px; text-transform: uppercase; }
.category-badge::before { content: '•'; color: var(--text-white); margin-right: 8px; font-size: 14px; }
.hero-description { font-size: 13px; font-weight: 400; color: var(--text-gray); line-height: 1.6; max-width: 500px; margin-bottom: 40px; }
.hero-images { position: relative; z-index: 3; }
.slider-controls { display: flex; align-items: center; gap: 25px; margin-top: 50px; }
.slider-pagination { display: flex; align-items: center; gap: 15px; font-family: 'Work Sans', sans-serif; font-size: 14px; color: var(--text-white); }
.progress-bar-custom { width: 100px; height: 1px; background: rgba(255,255,255,0.2); position: relative; overflow: hidden; }
.progress-fill { height: 100%; background: var(--text-white); width: 33.33%; transition: all 0.4s ease; }
.slider-arrows { display: flex; gap: 10px; }
.arrow-btn { width: 40px; height: 40px; background: transparent; border: 1px solid rgba(255,255,255,0.3); border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--text-white); font-size: 16px; transition: border-color 0.2s, background 0.2s; }
.arrow-btn:hover { border-color: #ffd700; background: rgba(255,215,0,0.1); }

/* ---- HERO IMAGE SLIDER ---- */
.hero-slider-wrap { position: relative; overflow: hidden; border-radius: 2px; }
.hero-slide { display: none; position: relative; }
.hero-slide.active { display: block; animation: heroFadeIn 0.55s ease forwards; }
@keyframes heroFadeIn {
    from { opacity: 0; transform: scale(1.04); }
    to   { opacity: 1; transform: scale(1); }
}
.hero-slide-img { width: 100%; height: auto; display: block; object-fit: cover; max-height: 520px; object-position: center; }
.hero-slide-label { position: absolute; bottom: 20px; left: 20px; font-family: 'Oswald', sans-serif; font-size: 11px; font-weight: 700; letter-spacing: 3px; color: #fff; background: rgba(0,0,0,0.55); border-left: 3px solid #ffd700; padding: 6px 14px; text-transform: uppercase; backdrop-filter: blur(6px); }
.hero-slide-dots { position: absolute; bottom: 20px; right: 20px; display: flex; gap: 8px; z-index: 10; }
.hero-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.35); border: 1.5px solid rgba(255,255,255,0.6); cursor: pointer; transition: background 0.3s, transform 0.2s; }
.hero-dot.active { background: #ffd700; border-color: #ffd700; transform: scale(1.3); }
.hero-slider-wrap .yellow-accent { position: absolute; top: -20px; right: -20px; width: 120px; height: 120px; background: linear-gradient(135deg, #ffd700 0%, #f0c419 100%); clip-path: polygon(100% 0, 100% 100%, 0 0); opacity: 0.95; z-index: 5; pointer-events: none; }

/* ---- EXPERIENCE ---- */
.experience-section { background-color: #ffffff; color: #111111; padding: 70px 120px 80px 120px; position: relative; overflow: hidden; }
.exp-tagline { font-family: 'Oswald', sans-serif; font-size: 13px; font-weight: 700; letter-spacing: 2px; color: #111; text-transform: uppercase; margin-bottom: 10px; }
.exp-header-divider { width: 100%; height: 1.5px; background-color: #111; margin-bottom: 8px; }
.exp-heading { font-family: 'Oswald', sans-serif; font-size: clamp(5rem,12vw,9rem); font-weight: 700; letter-spacing: 2px; line-height: 0.9; color: #111; text-transform: uppercase; margin-bottom: 30px; }
.exp-desc-text { font-family: 'Work Sans', sans-serif; font-size: 14px; font-weight: 500; color: #555; line-height: 1.7; margin-bottom: 0; }
.exp-mid-divider { width: 100%; height: 1px; background-color: #ddd; margin: 35px 0; }
.exp-car-wrapper { position: relative; overflow: visible; margin-left: -15px; }
.exp-car-img { width: 100%; height: auto; display: block; object-fit: cover; filter: drop-shadow(0 10px 30px rgba(0,0,0,0.15)); }
.exp-units-col { padding-left: 40px; display: flex; flex-direction: column; justify-content: flex-start; }
.exp-unit-title { font-family: 'Oswald', sans-serif; font-size: 16px; font-weight: 700; letter-spacing: 2px; color: #111; text-transform: uppercase; margin-bottom: 18px; }
.exp-unit-text { font-family: 'Work Sans', sans-serif; font-size: 14px; font-weight: 500; color: #555; line-height: 1.7; margin-bottom: 15px; }
.exp-units-divider { width: 100%; height: 1px; background-color: #ddd; margin: 25px 0; }
.exp-buttons { display: flex; align-items: center; gap: 10px; }
.btn-find-installer { background-color: #4CAF50; border: none; color: #fff; font-family: 'Work Sans', sans-serif; font-weight: 700; font-size: 13px; padding: 18px 40px; letter-spacing: 1.5px; text-transform: uppercase; border-radius: 0; white-space: nowrap; }
.exp-btn-divider { width: 1px; height: 56px; background-color: #ddd; flex-shrink: 0; }
.btn-become-installer { background-color: #fff; border: 1px solid #ccc; color: #111; font-family: 'Work Sans', sans-serif; font-weight: 700; font-size: 13px; padding: 18px 35px; letter-spacing: 1.5px; text-transform: uppercase; border-radius: 0; white-space: nowrap; border-left: none; }

/* ---- STATS ---- */
.stats-section { position: relative; background-color: #173d22; width: 100%; overflow: hidden; padding: 0; }
.stats-brush-top { position: relative; width: 100%; height: 60px; background-color: #ffffff; z-index: 2; -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1280 60' preserveAspectRatio='none'%3E%3Cpath d='M0,60 C80,30 160,55 240,40 C320,25 400,50 480,35 C560,20 640,45 720,38 C800,31 880,52 960,42 C1040,32 1120,55 1200,45 C1240,40 1260,48 1280,44 L1280,0 L0,0 Z' fill='white'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1280 60' preserveAspectRatio='none'%3E%3Cpath d='M0,60 C80,30 160,55 240,40 C320,25 400,50 480,35 C560,20 640,45 720,38 C800,31 880,52 960,42 C1040,32 1120,55 1200,45 C1240,40 1260,48 1280,44 L1280,0 L0,0 Z' fill='white'/%3E%3C/svg%3E"); -webkit-mask-size: 100% 100%; mask-size: 100% 100%; -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; }
.stats-brush-bottom { position: relative; width: 100%; height: 60px; background-color: #ffffff; z-index: 2; -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1280 60' preserveAspectRatio='none'%3E%3Cpath d='M0,15 C80,28 160,8 240,20 C320,32 400,12 480,22 C560,38 640,15 720,25 C800,35 880,10 960,20 C1040,30 1120,8 1200,18 C1240,23 1260,14 1280,18 L1280,60 L0,60 Z' fill='white'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1280 60' preserveAspectRatio='none'%3E%3Cpath d='M0,15 C80,28 160,8 240,20 C320,32 400,12 480,22 C560,38 640,15 720,25 C800,35 880,10 960,20 C1040,30 1120,8 1200,18 C1240,23 1260,14 1280,18 L1280,60 L0,60 Z' fill='white'/%3E%3C/svg%3E"); -webkit-mask-size: 100% 100%; mask-size: 100% 100%; -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; }
.stats-glow-right { position: absolute; right: -40px; top: 50%; transform: translateY(-50%); width: 160px; height: 85%; background: linear-gradient(180deg, transparent 0%, rgba(180,220,20,0.55) 25%, rgba(210,255,30,0.75) 50%, rgba(180,220,20,0.55) 75%, transparent 100%); filter: blur(38px); z-index: 3; pointer-events: none; border-radius: 50%; }
.stats-inner { position: relative; z-index: 4; padding: 55px 80px 60px 80px; }
.stats-header { display: flex; align-items: center; justify-content: center; gap: 20px; margin-bottom: 12px; }
.stats-header-line { flex: 1; height: 1px; background-color: rgba(255,255,255,0.35); max-width: 340px; }
.stats-label { font-family: 'Work Sans', sans-serif; font-size: 12px; font-weight: 700; letter-spacing: 3px; color: rgba(255,255,255,0.85); text-transform: uppercase; white-space: nowrap; }
.stats-heading { font-family: 'Oswald', sans-serif; font-size: clamp(4rem,8vw,7.5rem); font-weight: 700; letter-spacing: 3px; color: #fff; text-transform: uppercase; text-align: center; line-height: 1; margin-bottom: 48px; }
.stats-cards { display: flex; align-items: flex-end; justify-content: center; gap: 0; width: 100%; }
.stat-card { display: flex; align-items: flex-end; gap: 0; flex: 1; max-width: 380px; position: relative; }
.stat-img-wrap { position: relative; width: 200px; height: 180px; flex-shrink: 0; overflow: hidden; }
.stat-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.stat-overlay-yellow { position: absolute; inset: 0; background-color: rgba(180,160,0,0.55); mix-blend-mode: multiply; }
.stat-overlay-bw { position: absolute; inset: 0; }
.stat-img-bw .stat-img { filter: grayscale(100%) contrast(1.1); }
.stat-content { display: flex; flex-direction: column; align-items: flex-start; padding-bottom: 4px; position: relative; z-index: 2; }
.stat-number { font-family: 'Oswald', sans-serif; font-size: clamp(3.5rem,5vw,5.5rem); font-weight: 700; color: #fff; line-height: 1; letter-spacing: 1px; white-space: nowrap; margin-left: -110px; text-shadow: 2px 2px 8px rgba(0,0,0,0.5); }
.stat-number-zero { font-size: clamp(3rem,4.5vw,5rem); }
.stat-desc { font-family: 'Work Sans', sans-serif; font-size: 10px; font-weight: 700; letter-spacing: 1.5px; color: rgba(255,255,255,0.85); text-transform: uppercase; line-height: 1.5; margin-top: 6px; margin-left: -110px; }

/* ---- ROCKLEAR ---- */
.rocklear-section { background-color: #e8e8e8; width: 100%; padding: 0; overflow: hidden; }
.rocklear-inner { display: flex; align-items: center; justify-content: space-between; padding: 70px 90px 80px 90px; gap: 60px; min-height: 580px; }
.rocklear-left { flex: 0 0 420px; max-width: 420px; }
.rocklear-tagline { font-family: 'Work Sans', sans-serif; font-size: 13px; font-weight: 700; letter-spacing: 2px; color: #111; text-transform: uppercase; margin-bottom: 10px; }
.rocklear-tagline-divider { width: 100%; height: 2px; background-color: #111; margin-bottom: 14px; }
.rocklear-heading { font-family: 'Oswald', sans-serif; font-size: clamp(4rem,7vw,7.5rem); font-weight: 700; letter-spacing: 2px; color: #111; text-transform: uppercase; line-height: 0.9; margin-bottom: 55px; }
.rocklear-subheading { font-family: 'Work Sans', sans-serif; font-size: 14px; font-weight: 700; letter-spacing: 0.5px; color: #111; text-transform: uppercase; margin-bottom: 20px; }
.rocklear-body { font-family: 'Work Sans', sans-serif; font-size: 14px; font-weight: 400; color: #444; line-height: 1.7; margin-bottom: 16px; }
.rocklear-right { flex: 1; position: relative; min-height: 340px; display: flex; align-items: center; justify-content: center; }
.rl-card { position: absolute; border-radius: 0; }
.rl-card-yellow { width: 200px; height: 200px; background: linear-gradient(135deg, #c8b800 0%, #d4c400 40%, #9aab00 100%); top: -10px; left: 60px; z-index: 1; transform: rotate(-3deg); }
.rl-card-green { width: 120px; height: 260px; background-color: #2e8b30; bottom: -20px; right: -20px; z-index: 1; transform: rotate(1deg); }

/* YouTube Video Player */
.rl-video-player { position: relative; width: 500px; height: 300px; background-color: #000; z-index: 2; box-shadow: 0 20px 60px rgba(0,0,0,0.4); overflow: hidden; padding: 0; }
.rl-youtube-iframe { width: 100%; height: 100%; border: none; display: block; }

/* ============================================
   ADVANTAGES SECTION — DRAG BEFORE/AFTER
   ============================================ */
.advantages-section { position: relative; background-color: #173d22; width: 100%; overflow: hidden; padding: 0; }
.adv-brush-top { position: relative; width: 100%; height: 75px; z-index: 3; background: linear-gradient(90deg, #c8b800 0%, #a8c000 30%, #c8b800 60%, #d4c200 100%); -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1280 75' preserveAspectRatio='none'%3E%3Cpath d='M0,75 C60,42 130,65 200,50 C280,35 360,60 450,46 C540,32 620,56 710,46 C800,36 880,60 970,48 C1050,36 1130,58 1210,48 C1250,43 1268,52 1280,48 L1280,0 L0,0 Z' fill='black'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1280 75' preserveAspectRatio='none'%3E%3Cpath d='M0,75 C60,42 130,65 200,50 C280,35 360,60 450,46 C540,32 620,56 710,46 C800,36 880,60 970,48 C1050,36 1130,58 1210,48 C1250,43 1268,52 1280,48 L1280,0 L0,0 Z' fill='black'/%3E%3C/svg%3E"); -webkit-mask-size: 100% 100%; mask-size: 100% 100%; -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; }
.adv-brush-bottom { position: relative; width: 100%; height: 70px; background-color: #ffffff; z-index: 3; -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1280 70' preserveAspectRatio='none'%3E%3Cpath d='M0,15 C80,28 160,8 240,20 C320,32 400,12 480,22 C560,38 640,15 720,25 C800,35 880,10 960,20 C1040,30 1120,8 1200,18 C1240,23 1260,14 1280,18 L1280,70 L0,70 Z' fill='white'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1280 70' preserveAspectRatio='none'%3E%3Cpath d='M0,15 C80,28 160,8 240,20 C320,32 400,12 480,22 C560,38 640,15 720,25 C800,35 880,10 960,20 C1040,30 1120,8 1200,18 C1240,23 1260,14 1280,18 L1280,70 L0,70 Z' fill='white'/%3E%3C/svg%3E"); -webkit-mask-size: 100% 100%; mask-size: 100% 100%; -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; }
.adv-glow-left { position: absolute; left: -40px; top: 50%; transform: translateY(-50%); width: 200px; height: 80%; background: radial-gradient(ellipse at center, rgba(180,220,20,0.55) 0%, rgba(100,180,20,0.30) 40%, transparent 70%); filter: blur(50px); z-index: 2; pointer-events: none; }
.adv-inner { position: relative; z-index: 4; padding: 50px 90px 60px 90px; }
.adv-header { margin-bottom: 40px; }
.adv-tagline { font-family: 'Work Sans', sans-serif; font-size: 12px; font-weight: 700; letter-spacing: 3px; color: rgba(255,255,255,0.7); text-transform: uppercase; margin-bottom: 10px; text-align: center; }
.adv-tagline-divider { width: 100%; height: 1px; background-color: rgba(255,255,255,0.2); margin-bottom: 12px; }
.adv-heading { font-family: 'Oswald', sans-serif; font-size: clamp(5rem,10vw,9rem); font-weight: 700; letter-spacing: 3px; color: #fff; text-transform: uppercase; line-height: 1; margin-bottom: 0; }
.adv-compare-wrap { position: relative; width: 100%; height: 500px; overflow: hidden; border-radius: 4px; cursor: col-resize; user-select: none; -webkit-user-select: none; }
.adv-layer { position: absolute; inset: 0; overflow: hidden; }
.adv-layer-after { z-index: 1; background: linear-gradient(160deg, #0f2a16 0%, #1e5c2a 50%, #0a1f0f 100%); }
.adv-layer-before { z-index: 2; background: linear-gradient(160deg, #0d1a0f 0%, #162e18 50%, #080f09 100%); clip-path: inset(0 50% 0 0); will-change: clip-path; }
.adv-img { position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 82%; max-width: 1000px; height: auto; object-fit: contain; display: block; pointer-events: none; }
.adv-img-after { filter: saturate(1.45) brightness(1.12) contrast(1.06); z-index: 2; }
.adv-img-before { filter: saturate(0.15) sepia(0.65) brightness(0.68) contrast(1.12) hue-rotate(8deg); z-index: 2; }
.adv-grid-overlay { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px); background-size: 60px 60px; pointer-events: none; z-index: 3; }
.adv-label-pill { position: absolute; top: 20px; z-index: 20; font-family: 'Oswald', sans-serif; font-size: 11px; font-weight: 700; letter-spacing: 3px; padding: 5px 16px; text-transform: uppercase; border-radius: 2px; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.adv-pill-after { right: 20px; background: rgba(30, 120, 40, 0.88); color: #fff; border: 1px solid rgba(76,175,80,0.6); box-shadow: 0 2px 16px rgba(0,0,0,0.3); }
.adv-pill-before { left: 20px; background: rgba(160, 25, 25, 0.88); color: #fff; border: 1px solid rgba(220,60,60,0.6); box-shadow: 0 2px 16px rgba(0,0,0,0.3); }
.adv-pointer { position: absolute; z-index: 15; display: flex; flex-direction: column; align-items: center; }
.adv-dot { width: 11px; height: 11px; border-radius: 50%; background-color: #d4c400; border: 2px solid #fff; flex-shrink: 0; position: relative; z-index: 16; box-shadow: 0 0 8px rgba(212,196,0,0.9), 0 0 18px rgba(212,196,0,0.4); animation: advDotPulse 2s ease-in-out infinite; }
@keyframes advDotPulse { 0%,100% { transform: scale(1); box-shadow: 0 0 8px rgba(212,196,0,0.9), 0 0 18px rgba(212,196,0,0.4); } 50% { transform: scale(1.3); box-shadow: 0 0 14px rgba(212,196,0,1), 0 0 28px rgba(212,196,0,0.6); } }
.adv-pointer-line { width: 1px; height: 50px; background: linear-gradient(to top, transparent, rgba(212,196,0,0.8)); flex-shrink: 0; }
.adv-pointer-text { position: absolute; bottom: calc(100% + 55px); display: flex; flex-direction: column; white-space: nowrap; pointer-events: none; }
.adv-text-top-center { left: 50%; transform: translateX(-50%); align-items: center; text-align: center; }
.adv-text-top-left { right: 0; align-items: flex-end; text-align: right; }
.adv-text-top-right { left: 0; align-items: flex-start; text-align: left; }
.adv-pt-title { font-family: 'Work Sans', sans-serif; font-size: 9px; font-weight: 700; letter-spacing: 1px; color: #fff; text-transform: uppercase; line-height: 1.4; display: block; }
.adv-pt-sub { font-family: 'Work Sans', sans-serif; font-size: 8px; font-weight: 500; letter-spacing: 0.5px; color: rgba(255,255,255,0.55); text-transform: uppercase; display: block; }
.adv-handle { position: absolute; top: 0; bottom: 0; left: 50%; z-index: 30; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; cursor: col-resize; width: 60px; will-change: left; }
.adv-handle-line { position: absolute; top: 0; bottom: 0; left: 50%; transform: translateX(-50%); width: 2px; background: linear-gradient(to bottom, transparent 0%, rgba(255,255,255,0.15) 8%, rgba(255,255,255,0.85) 20%, #ffffff 50%, rgba(255,255,255,0.85) 80%, rgba(255,255,255,0.15) 92%, transparent 100%); box-shadow: 0 0 8px rgba(255,255,255,0.5), 0 0 20px rgba(76,175,80,0.3); }
.adv-handle-cap { position: absolute; left: 50%; transform: translateX(-50%) rotate(45deg); width: 8px; height: 8px; background: #ffffff; box-shadow: 0 0 6px rgba(255,255,255,0.8); }
.adv-cap-top { top: 16px; } .adv-cap-bottom { bottom: 16px; }
.adv-handle-knob { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 52px; height: 52px; border-radius: 50%; background: linear-gradient(135deg, #2a6e30 0%, #1a4a20 50%, #0f2e14 100%); border: 2px solid rgba(255,255,255,0.9); box-shadow: 0 0 0 4px rgba(76,175,80,0.25), 0 0 20px rgba(76,175,80,0.4), 0 4px 20px rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center; transition: transform 0.15s ease, box-shadow 0.15s ease; cursor: grab; }
.adv-handle-knob:active { cursor: grabbing; transform: translate(-50%, -50%) scale(1.08); box-shadow: 0 0 0 6px rgba(76,175,80,0.35), 0 0 30px rgba(76,175,80,0.6), 0 4px 24px rgba(0,0,0,0.6); }
.adv-knob-arrows { width: 44px; height: 20px; }
.adv-hint { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 20px; opacity: 0.5; }
.adv-hint span { font-family: 'Work Sans', sans-serif; font-size: 10px; font-weight: 700; letter-spacing: 2.5px; color: rgba(255,255,255,0.7); text-transform: uppercase; }
.adv-layer-after::after { content: ''; position: absolute; top: 0; left: -100%; width: 55%; height: 100%; background: linear-gradient(108deg, transparent 25%, rgba(255,255,255,0.055) 50%, transparent 75%); z-index: 4; pointer-events: none; animation: advShine 5s ease-in-out infinite 1.5s; }
@keyframes advShine { 0% { left: -80%; opacity: 0; } 6% { opacity: 1; } 70% { left: 130%; opacity: 1; } 71% { opacity: 0; } 100% { left: 130%; opacity: 0; } }

/* ---- EFFICIENCY ---- */
.efficiency-section { position: relative; background-color: #2b2b2b; width: 100%; overflow: hidden; padding: 0; }
.efficiency-brush-top { position: relative; width: 100%; height: 80px; background-color: #ffffff; z-index: 3; -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1280 80' preserveAspectRatio='none'%3E%3Cpath d='M0,80 C50,45 110,68 180,52 C250,36 330,62 420,46 C510,30 590,58 680,48 C770,38 850,64 940,52 C1020,40 1100,62 1180,50 C1230,44 1260,55 1280,50 L1280,0 L0,0 Z' fill='white'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1280 80' preserveAspectRatio='none'%3E%3Cpath d='M0,80 C50,45 110,68 180,52 C250,36 330,62 420,46 C510,30 590,58 680,48 C770,38 850,64 940,52 C1020,40 1100,62 1180,50 C1230,44 1260,55 1280,50 L1280,0 L0,0 Z' fill='white'/%3E%3C/svg%3E"); -webkit-mask-size: 100% 100%; mask-size: 100% 100%; -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; }
.efficiency-brush-bottom { position: relative; width: 100%; height: 80px; background: linear-gradient(90deg, #c8b800 0%, #a8c000 30%, #c8b800 60%, #d4c200 100%); z-index: 3; -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1280 80' preserveAspectRatio='none'%3E%3Cpath d='M0,20 C70,35 140,10 220,24 C300,38 380,12 460,26 C540,40 620,16 700,28 C780,40 860,14 940,26 C1020,38 1100,16 1180,28 C1230,36 1260,22 1280,28 L1280,80 L0,80 Z' fill='black'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1280 80' preserveAspectRatio='none'%3E%3Cpath d='M0,20 C70,35 140,10 220,24 C300,38 380,12 460,26 C540,40 620,16 700,28 C780,40 860,14 940,26 C1020,38 1100,16 1180,28 C1230,36 1260,22 1280,28 L1280,80 L0,80 Z' fill='black'/%3E%3C/svg%3E"); -webkit-mask-size: 100% 100%; mask-size: 100% 100%; -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; }
.efficiency-glow-right { position: absolute; right: -30px; top: 50%; transform: translateY(-50%); width: 200px; height: 75%; background: radial-gradient(ellipse at center, rgba(160,210,20,0.50) 0%, rgba(80,180,30,0.30) 35%, rgba(40,140,20,0.15) 60%, transparent 78%); filter: blur(40px); z-index: 2; pointer-events: none; }
.efficiency-inner { position: relative; z-index: 4; padding: 55px 90px 60px 90px; }
.efficiency-tagline { font-family: 'Work Sans', sans-serif; font-size: 11px; font-weight: 600; letter-spacing: 2px; color: rgba(255,255,255,0.6); text-transform: uppercase; margin-bottom: 10px; }
.efficiency-tagline-divider { width: 100%; height: 1px; background-color: rgba(255,255,255,0.2); margin-bottom: 14px; }
.efficiency-heading { font-family: 'Oswald', sans-serif; font-size: clamp(5rem,10vw,9rem); font-weight: 700; letter-spacing: 3px; color: #fff; text-transform: uppercase; line-height: 1; margin-bottom: 0; }
.efficiency-header { margin-bottom: 45px; }
.efficiency-comparison { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 0; }
.efficiency-column { background-color: #1a1a1a; border: 1px solid rgba(255,255,255,0.08); border-bottom: none; padding: 0; }
.efficiency-col-header { padding: 28px 24px 20px 24px; border-bottom: 1px solid rgba(255,255,255,0.08); position: relative; }
.efficiency-header-bar { width: 100%; height: 3px; margin-bottom: 16px; }
.efficiency-rocklear .efficiency-header-bar { background: linear-gradient(90deg, #d4c400 0%, #4CAF50 50%, #4CAF50 100%); }
.efficiency-ceramic .efficiency-header-bar { background: linear-gradient(90deg, #666 0%, #999 100%); }
.efficiency-polymer .efficiency-header-bar { background: linear-gradient(90deg, #555 0%, #888 100%); }
.efficiency-col-title { font-family: 'Oswald', sans-serif; font-size: 20px; font-weight: 700; letter-spacing: 1px; color: #fff; text-transform: uppercase; margin-bottom: 12px; line-height: 1.2; }
.title-icon { font-weight: 700; } .title-rocklear { font-weight: 300; letter-spacing: 2px; } .title-ceramics,.title-polymers { font-weight: 700; } .title-slash { color: rgba(255,255,255,0.5); margin: 0 4px; } .title-graphene,.title-wax { font-weight: 300; letter-spacing: 2px; }
.efficiency-col-desc { font-family: 'Work Sans', sans-serif; font-size: 11px; font-weight: 400; color: rgba(255,255,255,0.5); line-height: 1.6; margin-bottom: 14px; }
.efficiency-expand { position: absolute; right: 24px; bottom: 20px; font-size: 12px; color: rgba(255,255,255,0.4); }
.efficiency-metrics { padding: 0 24px 24px 24px; }
.efficiency-metric { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
.efficiency-metric:last-child { border-bottom: none; }
.metric-label { font-family: 'Work Sans', sans-serif; font-size: 9px; font-weight: 700; letter-spacing: 0.5px; color: rgba(255,255,255,0.7); text-transform: uppercase; flex: 0 0 auto; white-space: nowrap; }
.metric-bar-wrap { flex: 1; height: 4px; background-color: rgba(255,255,255,0.08); position: relative; overflow: hidden; }
.metric-bar { height: 100%; transition: width 0.3s ease; }
.efficiency-rocklear .metric-bar-full { width: 100%; background: linear-gradient(90deg, #4CAF50 0%, #d4c400 100%); }
.efficiency-rocklear .metric-bar-40 { width: 40%; background: linear-gradient(90deg, #4CAF50 0%, #d4c400 100%); }
.efficiency-rocklear .metric-bar-5 { width: 5%; background: linear-gradient(90deg, #4CAF50 0%, #d4c400 100%); }
.efficiency-rocklear .metric-bar-0 { width: 0%; }
.efficiency-ceramic .metric-bar-full { width: 100%; background: linear-gradient(90deg, #666 0%, #999 100%); }
.efficiency-ceramic .metric-bar-60 { width: 60%; background: linear-gradient(90deg, #666 0%, #999 100%); }
.efficiency-ceramic .metric-bar-50 { width: 50%; background: linear-gradient(90deg, #666 0%, #999 100%); }
.efficiency-ceramic .metric-bar-35 { width: 35%; background: linear-gradient(90deg, #666 0%, #999 100%); }
.efficiency-ceramic .metric-bar-30 { width: 30%; background: linear-gradient(90deg, #666 0%, #999 100%); }
.efficiency-ceramic .metric-bar-25 { width: 25%; background: linear-gradient(90deg, #666 0%, #999 100%); }
.efficiency-ceramic .metric-bar-20 { width: 20%; background: linear-gradient(90deg, #666 0%, #999 100%); }
.efficiency-ceramic .metric-bar-13 { width: 13%; background: linear-gradient(90deg, #666 0%, #999 100%); }
.efficiency-ceramic .metric-bar-10 { width: 10%; background: linear-gradient(90deg, #666 0%, #999 100%); }
.efficiency-ceramic .metric-bar-80 { width: 80%; background: linear-gradient(90deg, #666 0%, #999 100%); }
.efficiency-ceramic .metric-bar-limited { width: 50%; background: linear-gradient(90deg, #666 0%, #999 100%); }
.efficiency-ceramic .metric-bar-0 { width: 0%; }
.efficiency-polymer .metric-bar-20 { width: 20%; background: linear-gradient(90deg, #555 0%, #888 100%); }
.efficiency-polymer .metric-bar-15 { width: 15%; background: linear-gradient(90deg, #555 0%, #888 100%); }
.efficiency-polymer .metric-bar-6mo { width: 6%; background: linear-gradient(90deg, #555 0%, #888 100%); }
.efficiency-polymer .metric-bar-full { width: 100%; background: linear-gradient(90deg, #555 0%, #888 100%); }
.efficiency-polymer .metric-bar-0 { width: 0%; }
.metric-value { font-family: 'Work Sans', sans-serif; font-size: 10px; font-weight: 700; letter-spacing: 0.5px; color: #fff; text-align: right; flex: 0 0 auto; white-space: nowrap; }
.efficiency-comparison-part2 { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-top: 0; }
.efficiency-column-part2 { background-color: #1a1a1a; border: 1px solid rgba(255,255,255,0.08); border-top: none; padding: 24px; padding-bottom: calc(90px + 24px); position: relative; overflow: visible; }
.efficiency-column-part2 > .efficiency-metric:first-child { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 20px; }
.efficiency-bullets { margin: 24px 0; }
.bullet-item { font-family: 'Work Sans', sans-serif; font-size: 10px; font-weight: 600; letter-spacing: 0.5px; color: rgba(255,255,255,0.7); text-transform: uppercase; padding: 8px 0; display: flex; align-items: center; gap: 10px; }
.bullet-check { color: #4CAF50; font-size: 14px; font-weight: 700; }
.efficiency-diagram { display: flex; justify-content: center; position: absolute; bottom: -90px; left: 0; right: 0; z-index: 10; }
.diagram-circle { width: 180px; height: 180px; border-radius: 50%; border: 4px solid #fff; position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 20px; }
.diagram-green { border-color: #4CAF50; background: radial-gradient(circle at center, #2a5f2a 0%, #1a3f1a 100%); }
.diagram-gray { border-color: #777; background: radial-gradient(circle at center, #3a3a3a 0%, #2a2a2a 100%); }
.diagram-arrows { position: absolute; top: -25px; display: flex; gap: 8px; font-size: 18px; }
.diagram-arrows-down { top: -30px; gap: 4px; }
.arrow { color: rgba(255,255,255,0.7); font-weight: 700; } .arrow-up { color: #4CAF50; font-size: 22px; } .arrow-cross { color: #4CAF50; font-size: 22px; } .arrow-down { color: rgba(255,255,255,0.5); }
.diagram-label-top { font-family: 'Work Sans', sans-serif; font-size: 8px; font-weight: 700; letter-spacing: 0.5px; color: rgba(255,255,255,0.9); text-transform: uppercase; position: absolute; top: 18px; text-align: center; width: 80%; }
.diagram-checkered { width: 60px; height: 24px; background-image: linear-gradient(45deg,#4CAF50 25%,transparent 25%), linear-gradient(-45deg,#4CAF50 25%,transparent 25%), linear-gradient(45deg,transparent 75%,#4CAF50 75%), linear-gradient(-45deg,transparent 75%,#4CAF50 75%); background-size: 8px 8px; background-position: 0 0, 0 4px, 4px -4px, -4px 0px; margin: 12px 0; }
.diagram-checkered-gray { background-image: linear-gradient(45deg,#666 25%,transparent 25%), linear-gradient(-45deg,#666 25%,transparent 25%), linear-gradient(45deg,transparent 75%,#666 75%), linear-gradient(-45deg,transparent 75%,#666 75%); }
.diagram-label-bottom { font-family: 'Work Sans', sans-serif; font-size: 9px; font-weight: 700; letter-spacing: 0.8px; color: rgba(255,255,255,0.9); text-transform: uppercase; text-align: center; line-height: 1.4; position: absolute; bottom: 14px; }

/* ---- IMPROVE ---- */
.improve-section { background-color: #fff; width: 100%; overflow: hidden; }
.improve-inner { padding: 65px 90px 75px 90px; }
.improve-tagline { font-family: 'Work Sans', sans-serif; font-size: 13px; font-weight: 700; letter-spacing: 2px; color: #111; text-transform: uppercase; margin-bottom: 10px; }
.improve-divider { width: 100%; height: 2px; background-color: #111; margin-bottom: 40px; }
.improve-body { display: flex; align-items: flex-start; gap: 80px; }
.improve-left { flex: 0 0 580px; max-width: 580px; }
.improve-heading { display: flex; flex-direction: column; gap: 0; margin-bottom: 40px; line-height: 1; }
.improve-solid { font-family: 'Oswald', sans-serif; font-size: clamp(4rem,7vw,7.2rem); font-weight: 700; letter-spacing: 2px; color: #111; text-transform: uppercase; display: block; line-height: 1.05; }
.improve-outline { font-family: 'Oswald', sans-serif; font-size: clamp(4rem,7vw,7.2rem); font-weight: 700; letter-spacing: 2px; text-transform: uppercase; display: block; line-height: 1.05; color: transparent; -webkit-text-stroke: 2.5px #111; }
.improve-btn { background-color: #4CAF50; border: none; color: #fff; font-family: 'Work Sans', sans-serif; font-weight: 700; font-size: 12px; padding: 16px 32px; letter-spacing: 2px; text-transform: uppercase; border-radius: 0; border-left: 5px solid #c8b800; white-space: nowrap; }
.improve-right { flex: 1; padding-top: 12px; }
.improve-text-block { max-width: 420px; }
.improve-block-title { font-family: 'Work Sans', sans-serif; font-size: 13px; font-weight: 700; letter-spacing: 1.5px; color: #111; text-transform: uppercase; display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.improve-title-bar { display: inline-block; width: 4px; height: 18px; background: linear-gradient(180deg, #4CAF50 0%, #c8b800 100%); flex-shrink: 0; }
.improve-body-text { font-family: 'Work Sans', sans-serif; font-size: 14px; font-weight: 400; color: #555; line-height: 1.75; margin-bottom: 20px; }

/* ---- PROTDARK ---- */
.protdark-section { position: relative; background-color: #111; width: 100%; overflow: hidden; padding: 0; }
.protdark-brush-top { position: relative; width: 100%; height: 70px; background-color: #fff; z-index: 2; -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1280 70' preserveAspectRatio='none'%3E%3Cpath d='M0,70 C60,38 130,62 200,48 C270,34 350,58 430,44 C510,30 580,54 660,46 C740,38 820,60 900,50 C980,40 1060,62 1140,52 C1200,44 1240,56 1280,50 L1280,0 L0,0 Z' fill='white'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1280 70' preserveAspectRatio='none'%3E%3Cpath d='M0,70 C60,38 130,62 200,48 C270,34 350,58 430,44 C510,30 580,54 660,46 C740,38 820,60 900,50 C980,40 1060,62 1140,52 C1200,44 1240,56 1280,50 L1280,0 L0,0 Z' fill='white'/%3E%3C/svg%3E"); -webkit-mask-size: 100% 100%; mask-size: 100% 100%; -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; }
.protdark-glow-left { position: absolute; left: -60px; top: 50%; transform: translateY(-50%); width: 220px; height: 80%; background: radial-gradient(ellipse at center, rgba(60,180,40,0.55) 0%, rgba(120,200,20,0.35) 35%, rgba(180,220,0,0.15) 60%, transparent 80%); filter: blur(45px); z-index: 1; pointer-events: none; }
.protdark-inner { position: relative; z-index: 3; padding: 55px 90px 70px 90px; }
.protdark-header { display: flex; align-items: center; justify-content: center; gap: 22px; margin-bottom: 14px; }
.protdark-header-line { flex: 1; height: 1px; background-color: rgba(255,255,255,0.25); }
.protdark-label { font-family: 'Work Sans', sans-serif; font-size: 12px; font-weight: 700; letter-spacing: 3px; color: rgba(255,255,255,0.7); text-transform: uppercase; white-space: nowrap; }
.protdark-heading { font-family: 'Oswald', sans-serif; font-size: clamp(5rem,10vw,9rem); font-weight: 700; letter-spacing: 3px; color: #fff; text-transform: uppercase; text-align: center; line-height: 1; margin-bottom: 50px; }
.protdark-cards { display: flex; gap: 16px; justify-content: center; margin-bottom: 50px; }
.protdark-card { flex: 1; max-width: 370px; background-color: #1c1c1c; border: 1px solid rgba(255,255,255,0.08); padding: 36px 30px 0 30px; display: flex; flex-direction: column; align-items: center; text-align: center; position: relative; }
.protdark-icon { width: 68px; height: 68px; margin-bottom: 24px; flex-shrink: 0; }
.protdark-icon svg { width: 100%; height: 100%; }
.protdark-card-title { font-family: 'Work Sans', sans-serif; font-size: 16px; font-weight: 700; letter-spacing: 1px; color: #fff; text-transform: uppercase; margin-bottom: 18px; }
.protdark-card-text { font-family: 'Work Sans', sans-serif; font-size: 13px; font-weight: 400; color: rgba(255,255,255,0.55); line-height: 1.75; margin-bottom: 30px; }
.protdark-card-bar { width: 100%; height: 3px; background: linear-gradient(90deg, #4CAF50 0%, #d4c400 100%); margin-top: auto; }
.protdark-cta { display: flex; justify-content: center; }
.protdark-btn { background-color: #4CAF50; border: none; color: #fff; font-family: 'Work Sans', sans-serif; font-weight: 700; font-size: 13px; padding: 18px 55px; letter-spacing: 2px; text-transform: uppercase; border-radius: 0; }

/* ---- CTA ---- */
.cta-section { position: relative; background-color: #1a1a1a; width: 100%; overflow: hidden; padding: 0; }
.cta-brush-top { position: relative; width: 100%; height: 80px; background-color: #fff; z-index: 3; -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1280 80' preserveAspectRatio='none'%3E%3Cpath d='M0,80 C50,45 110,68 180,52 C250,36 330,62 420,46 C510,30 590,58 680,48 C770,38 850,64 940,52 C1020,40 1100,62 1180,50 C1230,44 1260,55 1280,50 L1280,0 L0,0 Z' fill='white'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1280 80' preserveAspectRatio='none'%3E%3Cpath d='M0,80 C50,45 110,68 180,52 C250,36 330,62 420,46 C510,30 590,58 680,48 C770,38 850,64 940,52 C1020,40 1100,62 1180,50 C1230,44 1260,55 1280,50 L1280,0 L0,0 Z' fill='white'/%3E%3C/svg%3E"); -webkit-mask-size: 100% 100%; mask-size: 100% 100%; -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; }
.cta-brush-bottom { position: relative; width: 100%; height: 80px; background-color: #fff; z-index: 3; -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1280 80' preserveAspectRatio='none'%3E%3Cpath d='M0,20 C70,35 140,10 220,24 C300,38 380,12 460,26 C540,40 620,16 700,28 C780,40 860,14 940,26 C1020,38 1100,16 1180,28 C1230,36 1260,22 1280,28 L1280,80 L0,80 Z' fill='white'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1280 80' preserveAspectRatio='none'%3E%3Cpath d='M0,20 C70,35 140,10 220,24 C300,38 380,12 460,26 C540,40 620,16 700,28 C780,40 860,14 940,26 C1020,38 1100,16 1180,28 C1230,36 1260,22 1280,28 L1280,80 L0,80 Z' fill='white'/%3E%3C/svg%3E"); -webkit-mask-size: 100% 100%; mask-size: 100% 100%; -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; }
.cta-grid { position: absolute; inset: 0; z-index: 1; background-image: linear-gradient(rgba(255,255,255,0.045) 1px,transparent 1px), linear-gradient(90deg,rgba(255,255,255,0.045) 1px,transparent 1px); background-size: 70px 70px; pointer-events: none; }
.cta-glow-right { position: absolute; right: -30px; top: 50%; transform: translateY(-50%) rotate(-20deg); width: 260px; height: 460px; background: radial-gradient(ellipse at center, rgba(160,210,20,0.70) 0%, rgba(80,180,30,0.50) 30%, rgba(40,140,20,0.25) 55%, transparent 75%); filter: blur(36px); z-index: 2; pointer-events: none; border-radius: 50%; }
.cta-inner { position: relative; z-index: 4; padding: 55px 90px 60px 90px; display: flex; flex-direction: column; align-items: center; text-align: center; }
.cta-label { font-family: 'Work Sans', sans-serif; font-size: 12px; font-weight: 600; letter-spacing: 3px; color: rgba(255,255,255,0.6); text-transform: uppercase; margin-bottom: 10px; }
.cta-heading { display: flex; flex-direction: column; align-items: center; gap: 0; margin-bottom: 40px; line-height: 1; }
.cta-solid { font-family: 'Oswald', sans-serif; font-size: clamp(4rem,7vw,7rem); font-weight: 700; letter-spacing: 3px; color: #fff; text-transform: uppercase; display: block; line-height: 1.05; }
.cta-outline { font-family: 'Oswald', sans-serif; font-size: clamp(4rem,7vw,7rem); font-weight: 700; letter-spacing: 3px; text-transform: uppercase; display: block; line-height: 1.05; color: transparent; -webkit-text-stroke: 2px #4a9e20; text-shadow: 0 0 30px rgba(180,220,20,0.3), 0 0 60px rgba(100,180,20,0.15); }
.cta-buttons { display: flex; align-items: center; gap: 16px; }
.cta-btn-primary { background-color: #4CAF50; border: none; color: #fff; font-family: 'Work Sans', sans-serif; font-weight: 700; font-size: 12px; padding: 18px 40px; letter-spacing: 2px; text-transform: uppercase; border-radius: 0; border-left: 5px solid #c8b800; white-space: nowrap; }
.cta-btn-secondary { background-color: #fff; border: 2px solid #fff; color: #111; font-family: 'Work Sans', sans-serif; font-weight: 700; font-size: 12px; padding: 18px 40px; letter-spacing: 2px; text-transform: uppercase; border-radius: 0; white-space: nowrap; }

/* ---- FAQ ---- */
.faq-section { position: relative; background-color: #1a4a20; width: 100%; overflow: hidden; padding: 0; }
.faq-brush-top { position: relative; width: 100%; height: 75px; z-index: 3; background: linear-gradient(90deg, #c8b800 0%, #a8c000 30%, #c8b800 60%, #d4c200 100%); -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1280 75' preserveAspectRatio='none'%3E%3Cpath d='M0,75 C60,42 130,65 200,50 C280,35 360,60 450,46 C540,32 620,56 710,46 C800,36 880,60 970,48 C1050,36 1130,58 1210,48 C1250,43 1268,52 1280,48 L1280,0 L0,0 Z' fill='black'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1280 75' preserveAspectRatio='none'%3E%3Cpath d='M0,75 C60,42 130,65 200,50 C280,35 360,60 450,46 C540,32 620,56 710,46 C800,36 880,60 970,48 C1050,36 1130,58 1210,48 C1250,43 1268,52 1280,48 L1280,0 L0,0 Z' fill='black'/%3E%3C/svg%3E"); -webkit-mask-size: 100% 100%; mask-size: 100% 100%; -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; }
.faq-glow-right { position: absolute; right: -40px; top: 50%; transform: translateY(-50%); width: 200px; height: 80%; background: radial-gradient(ellipse at center, rgba(180,220,20,0.65) 0%, rgba(120,190,10,0.40) 35%, rgba(80,150,10,0.18) 60%, transparent 78%); filter: blur(40px); z-index: 2; pointer-events: none; }
.faq-inner { position: relative; z-index: 4; padding: 55px 90px 50px 90px; }
.faq-tagline { font-family: 'Work Sans', sans-serif; font-size: 12px; font-weight: 700; letter-spacing: 2.5px; color: rgba(255,255,255,0.75); text-transform: uppercase; margin-bottom: 10px; }
.faq-tagline-divider { width: 100%; height: 1px; background-color: rgba(255,255,255,0.25); margin-bottom: 14px; }
.faq-heading { font-family: 'Oswald', sans-serif; font-size: clamp(4.5rem,9vw,8rem); font-weight: 700; letter-spacing: 3px; color: #fff; text-transform: uppercase; line-height: 1; margin-bottom: 45px; }
.faq-body { display: flex; align-items: flex-start; gap: 55px; }
.faq-left { flex: 0 0 300px; max-width: 300px; }
.faq-img-wrap { position: relative; width: 100%; height: 290px; overflow: hidden; }
.faq-img { width: 100%; height: 100%; object-fit: cover; object-position: center top; display: block; }
.faq-img-overlay { position: absolute; inset: 0; background-color: rgba(180,155,0,0.55); mix-blend-mode: multiply; }
.faq-img-label { display: flex; align-items: center; gap: 0; padding: 10px 14px; background-color: rgba(0,0,0,0.3); }
.faq-label-green { font-family: 'Oswald', sans-serif; font-size: 2rem; font-weight: 700; letter-spacing: 2px; color: #fff; text-transform: uppercase; background-color: #2e8b30; padding: 4px 10px 4px 0; margin-right: 10px; line-height: 1; }
.faq-label-white { font-family: 'Oswald', sans-serif; font-size: 2rem; font-weight: 700; letter-spacing: 2px; color: #fff; text-transform: uppercase; line-height: 1; }
.faq-right { flex: 1; padding-top: 8px; }
.faq-item { margin-bottom: 0; }
.faq-question { display: flex; align-items: center; justify-content: space-between; padding: 22px 0 18px 0; cursor: pointer; gap: 20px; }
.faq-q-left { display: flex; align-items: center; gap: 18px; }
.faq-q-icon { font-family: 'Oswald', sans-serif; font-size: 1.6rem; font-weight: 700; color: transparent; -webkit-text-stroke: 2px #4CAF50; line-height: 1; flex-shrink: 0; width: 28px; text-align: center; }
.faq-q-text { font-family: 'Work Sans', sans-serif; font-size: 14px; font-weight: 700; letter-spacing: 0.5px; color: #fff; text-transform: uppercase; line-height: 1.4; }
.faq-plus { width: 34px; height: 34px; border: 1.5px solid rgba(255,255,255,0.35); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.7); font-size: 20px; font-weight: 300; flex-shrink: 0; cursor: pointer; }
.faq-divider { width: 100%; height: 1px; background-color: rgba(255,255,255,0.18); }
.faq-footer { position: relative; z-index: 4; border-top: 1px solid rgba(255,255,255,0.15); padding: 28px 90px; display: flex; align-items: flex-start; justify-content: space-between; gap: 40px; }
.faq-footer-col { flex: 1; }
.faq-footer-center { text-align: center; }
.faq-footer-right { text-align: right; }
.faq-footer-text { font-family: 'Work Sans', sans-serif; font-size: 11px; font-weight: 600; letter-spacing: 1px; color: rgba(255,255,255,0.65); text-transform: uppercase; margin-bottom: 5px; line-height: 1.6; }

/* ---- RESPONSIVE ---- */
@media (max-width: 991px) {
    .experience-section { padding: 50px 30px 60px 30px; }
    .exp-heading { font-size: 5rem; }
    .stats-inner { padding: 45px 40px 50px 40px; }
    .stats-heading { font-size: 5rem; }
    .stat-img-wrap { width: 160px; height: 150px; }
    .stat-number { font-size: 3.5rem; margin-left: -80px; }
    .stat-desc { margin-left: -80px; }
    .rocklear-inner { padding: 50px 40px 60px 40px; gap: 40px; }
    .rocklear-left { flex: 0 0 340px; max-width: 340px; }
    .rl-video-player { width: 380px; height: 240px; }
    .efficiency-inner { padding: 45px 40px 50px 40px; }
    .efficiency-heading { font-size: 6rem; }
    .efficiency-comparison, .efficiency-comparison-part2 { grid-template-columns: 1fr; gap: 15px; }
    .efficiency-column { border-bottom: 1px solid rgba(255,255,255,0.08); }
    .efficiency-column-part2 { border-top: 1px solid rgba(255,255,255,0.08); }
    .efficiency-comparison-part2 { margin-top: 15px; }
    .protdark-inner { padding: 45px 40px 55px 40px; }
    .improve-inner { padding: 50px 40px 60px 40px; }
    .improve-left { flex: 0 0 440px; max-width: 440px; }
    .cta-inner { padding: 45px 40px 50px 40px; }
    .faq-inner { padding: 45px 40px 40px 40px; }
    .faq-footer { padding: 24px 40px; }
    .adv-inner { padding: 40px 40px 50px 40px; }
    .adv-heading { font-size: 6rem; }
    .adv-compare-wrap { height: 380px; }
    .adv-img { width: 88%; }
}
@media (max-width: 768px) {
    .navbar-custom .container { padding: 12px 20px; }
    #navbarNav { background-color: var(--darker-bg); padding: 15px 20px; border-top: 1px solid rgba(255,255,255,0.1); }
    .nav-link-custom { margin: 0; padding: 10px 0 !important; border-bottom: 1px solid rgba(255,255,255,0.05); }
    .hero-section { padding-top: 65px; min-height: auto; padding-bottom: 60px; }
    .hero-content-wrapper { padding-left: 20px; }
    .hero-content-wrapper::before { display: none; }
    .yellow-glow { display: none; }
    .hero-images { margin-top: 40px; }
    .hero-slide-img { max-height: 340px; }
    .experience-section { padding: 40px 20px 50px 20px; }
    .exp-heading { font-size: clamp(3rem,13vw,5rem); }
    .exp-buttons { flex-direction: column; align-items: stretch; gap: 0; }
    .exp-btn-divider { display: none; }
    .btn-become-installer { border: 1px solid #ccc; border-top: none; }
    .stats-inner { padding: 35px 20px 40px 20px; }
    .stats-heading { font-size: clamp(2.5rem,10vw,4rem); }
    .stats-cards { flex-direction: column; align-items: stretch; gap: 20px; }
    .stat-card { flex-direction: row; align-items: center; max-width: 100%; }
    .stat-img-wrap { width: 130px; height: 120px; flex-shrink: 0; }
    .stat-number { font-size: 3rem; margin-left: -65px; }
    .stat-desc { margin-left: -65px; font-size: 9px; }
    .rocklear-inner { flex-direction: column; padding: 40px 20px 50px 20px; gap: 40px; align-items: stretch; }
    .rocklear-left { flex: none; max-width: 100%; }
    .rocklear-heading { font-size: clamp(3rem,10vw,5rem); margin-bottom: 30px; }
    .rl-video-player { width: 100%; height: 220px; }
    .protdark-inner { padding: 35px 20px 45px 20px; }
    .protdark-heading { font-size: clamp(3rem,12vw,5.5rem); }
    .protdark-cards { flex-direction: column; gap: 12px; }
    .protdark-card { max-width: 100%; }
    .improve-inner { padding: 40px 20px 50px 20px; }
    .improve-body { flex-direction: column; gap: 30px; }
    .improve-left { flex: none; max-width: 100%; }
    .improve-solid, .improve-outline { font-size: clamp(3rem,11vw,5rem); }
    .cta-inner { padding: 40px 20px 45px 20px; }
    .cta-solid, .cta-outline { font-size: clamp(2.5rem,10vw,4.5rem); }
    .cta-buttons { flex-direction: column; align-items: stretch; gap: 12px; width: 100%; max-width: 320px; }
    .faq-inner { padding: 35px 20px 40px 20px; }
    .faq-heading { font-size: clamp(3rem,12vw,5rem); margin-bottom: 30px; }
    .faq-body { flex-direction: column; gap: 30px; }
    .faq-left { flex: none; max-width: 100%; width: 100%; }
    .faq-footer { flex-direction: column; padding: 24px 20px; gap: 20px; text-align: center; }
    .faq-footer-center, .faq-footer-right { text-align: center; }
    .efficiency-inner { padding: 35px 20px 40px 20px; }
    .efficiency-heading { font-size: clamp(3rem,12vw,5rem); }
    .adv-inner { padding: 35px 20px 45px 20px; }
    .adv-heading { font-size: clamp(3rem,12vw,5rem); }
    .adv-compare-wrap { height: 280px; }
    .adv-img { width: 96%; }
    .adv-pointer-line { height: 35px; }
    .adv-pointer-text { bottom: calc(100% + 40px); }
    .adv-pt-sub { display: none; }
    .adv-handle-knob { width: 44px; height: 44px; }
    .adv-knob-arrows { width: 36px; height: 16px; }
}
@media (max-width: 576px) {
    .hero-title { font-size: 2.2rem; }
    .exp-heading { font-size: 2.8rem; }
    .stats-heading { font-size: 2.2rem; }
    .rocklear-heading { font-size: 2.8rem; }
    .protdark-heading { font-size: 2.8rem; }
    .improve-solid, .improve-outline { font-size: 2.5rem; }
    .cta-solid, .cta-outline { font-size: 2.2rem; }
    .faq-heading { font-size: 2.8rem; }
    .efficiency-heading { font-size: 2.8rem; }
    .adv-heading { font-size: 2.8rem; }
    .adv-compare-wrap { height: 220px; }
    .adv-img { width: 100%; }
    .adv-handle-knob { width: 38px; height: 38px; }
}