/* ==========================================================================
   Eco Genie Water Tank Cleaning — Premium Core CSS structure
   ========================================================================== */

:root {
  --primary: #0077b6;
  --primary-dark: #023e8a;
  --primary-glow: rgba(0, 119, 182, 0.35);
  --accent: #25d366;
  --accent-dark: #128c7e;
  --red: #ef233c;
  --gold: #ffb703;
  --bg: #ffffff;
  --bg-alt: #f8f9fa;
  --surface: #ffffff;
  --text: #1d1d1f;
  --text-light: #6c757d;
  --border: rgba(0, 0, 0, 0.08);
  --glass: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.3);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-full: 9999px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.12);
  --transition: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --max-w: 1140px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Inter', sans-serif; color: var(--text); background: var(--bg); line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; font-size: inherit; color: inherit; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }

/* Typography */
h1, h2, h3, h4 { font-weight: 800; line-height: 1.2; letter-spacing: -0.02em; }
.gradient-text { background: linear-gradient(135deg, var(--primary), #48cae4); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-weight: 700; border-radius: var(--radius-full); transition: var(--transition); text-align: center; }
.btn--sm { padding: 8px 20px; font-size: 0.875rem; }
.btn--lg { padding: 14px 28px; font-size: 1rem; }
.btn--xl { padding: 18px 36px; font-size: 1.125rem; }

.btn--primary { background: var(--primary); color: #fff; box-shadow: 0 4px 14px var(--primary-glow); }
.btn--primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px var(--primary-glow); }

.btn--wa { background: var(--accent); color: #fff; box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3); }
.btn--wa:hover { background: var(--accent-dark); transform: translateY(-2px); }

.btn--outline { border: 2px solid var(--border); color: var(--text); background: transparent; }
.btn--outline:hover { border-color: var(--primary); color: var(--primary); }

.btn--pulse { animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 var(--primary-glow) } 70% { box-shadow: 0 0 0 12px transparent } 100% { box-shadow: 0 0 0 0 transparent } }

/* Topbar */
.topbar { background: #0b090a; color: #fff; font-size: 0.85rem; padding: 10px 0; z-index: 110; position: relative; }
.topbar__in { display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap; text-align: center; }
.topbar__dot { width: 8px; height: 8px; background: var(--gold); border-radius: 50%; animation: flash 1s infinite alternate; }
.topbar__cta { background: var(--primary); color: #fff; padding: 4px 14px; border-radius: var(--radius-full); font-weight: 700; font-size: 0.75rem; text-transform: uppercase; }

/* Header */
.header { position: sticky; top: 0; z-index: 100; background: var(--glass); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--glass-border); transition: var(--transition); }
.header.scrolled { background: rgba(255, 255, 255, 0.98); box-shadow: var(--shadow-sm); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav__links { display: none; gap: 32px; font-weight: 600; font-size: 0.95rem; }
.nav__links a:hover { color: var(--primary); }
.nav__actions { display: none; gap: 12px; }

.burger { display: flex; flex-direction: column; justify-content: space-between; width: 24px; height: 18px; z-index: 120; }
.burger span { display: block; height: 2px; width: 100%; background: var(--text); border-radius: 2px; transition: var(--transition); }
.burger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

@media(min-width: 992px) { .nav__links, .nav__actions { display: flex; } .burger { display: none; } }

.mobile-menu { position: fixed; inset: 0; background: var(--surface); z-index: 115; padding: 100px 32px 40px; display: flex; flex-direction: column; transform: translateX(100%); transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1); }
.mobile-menu.active { transform: translateX(0); }
.mobile-menu__links { display: flex; flex-direction: column; gap: 0; font-size: 1.5rem; font-weight: 800; margin-bottom: auto; }
.mobile-menu__links a { display: block; padding: 20px 0; border-bottom: 1px solid var(--border); color: var(--text); transition: var(--transition); }
.mobile-menu__links a:first-child { border-top: 1px solid var(--border); }
.mobile-menu__links a:active, .mobile-menu__links a:hover { color: var(--primary); padding-left: 10px; }
.mobile-menu__actions { display: flex; flex-direction: column; gap: 16px; margin-top: 40px; }

/* Hero */
.hero { position: relative; padding: 100px 0 120px; color: #fff; overflow: hidden; display: flex; align-items: center; min-height: 85vh; }
.hero__bg-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.hero__overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(0, 20, 50, 0.94) 0%, rgba(0, 40, 80, 0.88) 100%); z-index: 1; }
.hero__in { position: relative; z-index: 2; text-align: center; max-width: 860px; margin: 0 auto; width: 100%; }
.fomo-pill { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2); padding: 8px 18px; border-radius: var(--radius-full); font-size: 0.85rem; margin-bottom: 24px; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.fomo-dot { width: 8px; height: 8px; background: var(--red); border-radius: 50%; animation: flash 1s infinite alternate; }
.hero__h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); margin-bottom: 20px; line-height: 1.1; letter-spacing: -0.03em; }
.hero__sub { font-size: clamp(1.05rem, 2.5vw, 1.25rem); color: rgba(255, 255, 255, 0.9); margin-bottom: 32px; line-height: 1.6; max-width: 700px; margin-left: auto; margin-right: auto; }
.agent-status { display: inline-flex; align-items: center; gap: 8px; font-size: 0.85rem; margin-bottom: 24px; background: rgba(37, 211, 102, 0.15); padding: 8px 16px; border-radius: var(--radius-full); border: 1px solid rgba(37, 211, 102, 0.3); font-weight: 600; }
.status-dot { width: 8px; height: 8px; background: var(--accent); border-radius: 50%; box-shadow: 0 0 10px var(--accent); animation: flash 1.5s infinite alternate; }
.hero__actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; margin-bottom: 12px; }
.hero__micro { font-size: 0.8rem; color: rgba(255,255,255,0.6); margin-bottom: 32px; }
.hero__trust-strip { display: flex; justify-content: center; flex-wrap: wrap; gap: 24px; border-top: 1px solid rgba(255,255,255,0.15); padding-top: 24px; }
.hero__trust-item { font-size: 0.85rem; font-weight: 600; color: rgba(255,255,255,0.85); display: flex; align-items: center; gap: 6px; }

/* Trust Signals Slider */
.trust-signals { background: var(--surface); padding: 24px 0; border-bottom: 1px solid var(--border); overflow: hidden; position: relative; }
.trust-signals::before, .trust-signals::after { content: ''; position: absolute; top: 0; bottom: 0; width: 60px; z-index: 2; pointer-events: none; }
.trust-signals::before { left: 0; background: linear-gradient(to right, var(--surface), transparent); }
.trust-signals::after { right: 0; background: linear-gradient(to left, var(--surface), transparent); }
.trust-signals__marquee { display: flex; width: max-content; animation: trustScroll 25s linear infinite; }
.trust-signals__marquee:hover { animation-play-state: paused; }
.trust-signals__track { display: flex; gap: 12px; padding-right: 12px; }
.trust-signal { display: flex; align-items: center; gap: 8px; font-size: 0.95rem; font-weight: 600; color: var(--text); padding: 10px 20px; background: var(--bg-alt); border-radius: var(--radius-full); border: 1px solid var(--border); white-space: nowrap; transition: var(--transition); }
.trust-signal:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); border-color: rgba(0, 119, 182, 0.2); background: #fff; }
.trust-signal__icon { font-size: 1.25rem; }

@keyframes trustScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

@media(max-width: 768px) {
  .trust-signals { padding: 16px 0; }
  .trust-signals::before, .trust-signals::after { width: 30px; }
  .trust-signal { padding: 8px 16px; font-size: 0.85rem; gap: 6px; }
  .trust-signal__icon { font-size: 1.1rem; }
}

/* Offer Banner */
.offer-banner { position: relative; background: linear-gradient(135deg, #0b1a2b 0%, #002850 100%); color: #fff; border-radius: var(--radius); padding: 56px 40px; text-align: center; overflow: hidden; box-shadow: var(--shadow-lg); }
.offer-glow { position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle, rgba(0, 119, 182, 0.2) 0%, transparent 60%); pointer-events: none; }
.offer-content { position: relative; z-index: 2; max-width: 640px; margin: 0 auto; }
.offer-tag { display: inline-block; background: rgba(255,255,255,0.1); padding: 8px 16px; border-radius: var(--radius-full); font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 24px; border: 1px solid rgba(255,255,255,0.2); backdrop-filter: blur(4px); }
.offer-content h2 { font-size: clamp(2rem, 4.5vw, 3rem); margin-bottom: 20px; line-height: 1.15; }
.offer-content p { font-size: 1.1rem; color: rgba(255,255,255,0.85); margin-bottom: 36px; line-height: 1.6; }
.offer-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
@media(max-width: 768px) {
  .offer-banner { padding: 40px 24px; }
  .offer-tag { font-size: 0.75rem; padding: 6px 14px; margin-bottom: 20px; }
  .offer-content h2 { font-size: 1.85rem; margin-bottom: 16px; }
  .offer-content p { font-size: 1rem; margin-bottom: 28px; }
  .offer-actions { flex-direction: column; width: 100%; gap: 12px; }
}

/* Trust Bar */
.trust-bar { background: var(--bg-alt); padding: 20px 0; border-bottom: 1px solid var(--border); overflow: hidden; }
.trust-bar__label { text-align: center; font-size: 0.75rem; font-weight: 600; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 12px; }
.trust-bar__scroll { overflow: hidden; position: relative; mask-image: linear-gradient(to right, transparent, #000 5%, #000 95%, transparent); -webkit-mask-image: linear-gradient(to right, transparent, #000 5%, #000 95%, transparent); }
.trust-bar__track { display: flex; gap: 40px; animation: scrollTrack 30s linear infinite; white-space: nowrap; }
.trust-bar__track span { font-weight: 600; color: var(--text); opacity: 0.4; font-size: 0.9rem; }
@keyframes scrollTrack { 0% { transform: translateX(0) } 100% { transform: translateX(-50%) } }

/* Sections */
.section { padding: 80px 0; }
.section--alt { background: var(--bg-alt); }
.section--numbers { background: #0b090a; color: #fff; padding: 60px 0; }
.section__head { text-align: center; margin-bottom: 48px; }
.chip { display: inline-block; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--primary); background: rgba(0, 119, 182, 0.1); padding: 6px 16px; border-radius: var(--radius-full); margin-bottom: 16px; }
.section__title { font-size: clamp(1.8rem, 4vw, 2.8rem); margin-bottom: 16px; }
.section__desc { color: var(--text-light); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }
.section__cta { text-align: center; margin-top: 48px; }

/* Grid */
.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

/* Card */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow-sm); transition: var(--transition); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(0, 119, 182, 0.2); }
.service-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.service-img img { width: 100%; height: 220px; object-fit: cover; }
.service-body { padding: 24px; flex-grow: 1; display:flex; flex-direction:column; }
.service-body h3 { font-size: 1.25rem; margin-bottom: 12px; }
.service-body p { color: var(--text-light); font-size: 0.95rem; margin-bottom: 20px; flex-grow: 1; }
.card__cta { font-weight: 700; color: var(--primary); font-size: 0.95rem; }

/* Split Layout */
.split-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.split-img img { border-radius: var(--radius); box-shadow: var(--shadow-lg); width: 100%; display: block; }
@media(max-width: 768px) { .split-layout { grid-template-columns: 1fr; } }
.guarantee-list li { margin-bottom: 12px; font-size: 1.05rem; display: flex; align-items: center; gap: 10px; }
.guarantee-list .g-check { font-size: 1.2rem; }

/* Comparison Board */
.comparison-board { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 40px; }
.comp-col { padding: 36px 30px; border-radius: var(--radius); }
.comp-col--bad { background: #fafafa; border: 1px solid var(--border); }
.comp-col--good { background: var(--surface); border: 2px solid var(--primary); box-shadow: var(--shadow-lg); position: relative; transform: scale(1.02); }
.comp-header { font-size: 1.4rem; font-weight: 800; margin-bottom: 24px; display: flex; align-items: center; gap: 8px; color: var(--text); }
.comp-list li { padding: 14px 0; border-bottom: 1px solid var(--border); font-size: 1rem; color: var(--text-light); }
.comp-list li strong { color: var(--text); }
.comp-list li:last-child { border-bottom: none; }
.comp-col--good .comp-list li { border-bottom-color: rgba(0, 119, 182, 0.1); }
.comp-badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--primary); color: #fff; padding: 6px 16px; border-radius: var(--radius-full); font-size: 0.75rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em; white-space: nowrap; box-shadow: 0 4px 12px var(--primary-glow); }
@media(max-width: 768px) { 
  .comparison-board { grid-template-columns: 1fr; gap: 32px; margin-top: 32px; } 
  .comp-col--good { transform: scale(1); }
  .comp-col { padding: 24px; }
}

/* Numbers */
.numbers-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 30px; text-align: center; }
.number-card__value { font-size: 3rem; font-weight: 900; color: var(--gold); line-height: 1.1; margin-bottom: 8px; }
.number-card__label { font-size: 1rem; font-weight: 600; opacity: 0.9; }

/* Proof Wrapper */
.proof-wrapper { max-width: 900px; margin: 0 auto; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; transition: var(--transition); }
.faq-item__q { width: 100%; text-align: left; padding: 20px; font-size: 1.1rem; font-weight: 700; display: flex; justify-content: space-between; align-items: center; }
.faq-item__q span { font-size: 1.4rem; font-weight: 400; color: var(--primary); transition: transform 0.3s ease; }
.faq-item.active { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.faq-item.active .faq-item__q span { transform: rotate(45deg); }
.faq-item__a { padding: 0 20px; max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; }
.faq-item.active .faq-item__a { padding: 0 20px 20px; max-height: 300px; }
.faq-item__a p { color: var(--text-light); }

/* Final CTA */
.cta-final { position: relative; padding: 100px 0; background: #0b090a; color: #fff; text-align: center; overflow: hidden; }
.cta-final__glow { position: absolute; top: 50%; left: 50%; width: 600px; height: 600px; background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%); transform: translate(-50%, -50%); pointer-events: none; }
.cta-final__in { position: relative; z-index: 2; max-width: 700px; }
.cta-final__badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.1); padding: 8px 16px; border-radius: var(--radius-full); font-size: 0.85rem; font-weight: 600; margin-bottom: 24px; }
.cta-final__badge-dot { width: 8px; height: 8px; background: var(--red); border-radius: 50%; animation: flash 1s infinite alternate; }
.cta-final h2 { font-size: clamp(2rem, 4vw, 3.2rem); margin-bottom: 20px; }
.cta-final p { font-size: 1.1rem; color: rgba(255,255,255,0.7); margin-bottom: 40px; }
.cta-final__btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; margin-bottom: 30px; }
.cta-final__trust { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; opacity: 0.6; font-size: 0.85rem; }

/* Footer */
.footer { background: var(--surface); padding: 60px 0 30px; border-top: 1px solid var(--border); }
.footer__in { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer__brand p { color: var(--text-light); margin-bottom: 16px; max-width: 300px; }
.footer__brand a { display: block; font-weight: 600; font-size: 1.1rem; margin-bottom: 8px; color: var(--text); }
.footer__col h4 { font-size: 1.1rem; margin-bottom: 20px; }
.footer__col a { display: block; color: var(--text-light); margin-bottom: 12px; transition: var(--transition); }
.footer__col a:hover { color: var(--primary); }
.footer__bottom { padding-top: 30px; border-top: 1px solid var(--border); text-align: center; color: var(--text-light); font-size: 0.85rem; }
@media(max-width: 768px) { .footer__in { grid-template-columns: 1fr; gap: 30px; } }

/* Mobile Sticky Bar */
.mob-bar { position: fixed; bottom: 0; left: 0; right: 0; background: var(--surface); border-top: 1px solid var(--border); display: flex; padding: 12px 16px; gap: 12px; z-index: 99; transform: translateY(100%); transition: transform 0.3s ease; box-shadow: 0 -4px 20px rgba(0,0,0,0.06); }
.mob-bar.show { transform: translateY(0); }
.mob-bar__btn { flex: 1; display: flex; align-items: center; justify-content: center; gap: 6px; padding: 12px; border-radius: var(--radius-sm); font-weight: 700; font-size: 0.95rem; text-align: center; }
.mob-bar__btn--call { background: var(--primary); color: #fff; }
.mob-bar__btn--wa { background: var(--accent); color: #fff; }

@media(min-width: 768px) {
  .mob-bar { display: none !important; }
}

/* Floating Buttons */
.floats { position: fixed; bottom: 24px; right: 24px; display: flex; flex-direction: column; gap: 12px; z-index: 98; transition: var(--transition); }
.float { width: 56px; height: 56px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 24px; box-shadow: var(--shadow-md); transition: var(--transition); text-transform: uppercase; font-weight: 900; }
.float--wa { background: var(--accent); }
.float--call { background: var(--primary); }
.float:hover { transform: scale(1.08); box-shadow: var(--shadow-lg); }

@media(max-width: 767px) {
  .floats { display: none !important; }
}

/* Animations */
.anim-in { opacity: 0; transform: translateY(16px); animation: fadeUp 0.45s cubic-bezier(0.2, 0.8, 0.2, 1) forwards; will-change: transform, opacity; }
.d1 { animation-delay: 0.05s; }
.d2 { animation-delay: 0.1s; }
.d3 { animation-delay: 0.15s; }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }

.reveal { opacity: 0; transform: translateY(24px); transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1); will-change: transform, opacity; }
.reveal.active { opacity: 1; transform: translateY(0); }

/* Globals Responsive Resets */
@media(max-width: 768px) {
  .hero { padding: 60px 0 70px; min-height: 85vh; align-items: flex-start; }
  .hero__in { margin-top: 20px; }
  .section { padding: 50px 0; }
  .btn--xl { width: 100%; padding: 16px 20px; font-size: 1.05rem; }
  .grid--3 { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; width: 100%; gap: 12px; }
  .hero__trust-strip { gap: 12px; }
  .hero__trust-item { font-size: 0.75rem; }
  .hero__h1 { font-size: 2.2rem; margin-bottom: 16px; }
  .hero__sub { font-size: 1rem; margin-bottom: 24px; }
  .fomo-pill { padding: 6px 14px; font-size: 0.8rem; margin-bottom: 20px; }
}