/**
 * Sugo Su Arıtma - High-Performance Modern CSS
 * Designed for 90+ Google PageSpeed & High Conversion
 * Version: 1.3.0 (Pixel-Perfect Horizontal & Vertical Alignment)
 */

:root {
    --primary: #0284c7;
    --primary-dark: #0369a1;
    --primary-deep: #0c4a6e;
    --primary-light: #e0f2fe;
    --primary-gradient: linear-gradient(135deg, #0284c7 0%, #06b6d4 100%);
    
    --accent-cyan: #06b6d4;
    --accent-teal: #0d9488;
    --accent-emerald: #10b981;
    --accent-orange: #f97316;
    --accent-orange-dark: #ea580c;
    --accent-orange-gradient: linear-gradient(135deg, #f97316 0%, #ea580c 100%);

    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --text-white: #ffffff;

    --bg-page: #f8fafc;
    --bg-card: #ffffff;
    --bg-soft-blue: #f0f9ff;
    --bg-dark: #0b1329;
    --bg-dark-surface: #111e3f;

    --border-light: #e2e8f0;
    --border-cyan: #bae6fd;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(2, 132, 199, 0.12), 0 8px 10px -6px rgba(2, 132, 199, 0.08);
    --shadow-glow: 0 0 25px rgba(6, 182, 212, 0.35);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--bg-page);
    line-height: 1.6;
    overflow-x: hidden;
    padding-bottom: 0;
}

@media (max-width: 768px) {
    body {
        padding-bottom: 72px; /* Space for Mobile Sticky Bottom Bar */
    }
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1240px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

.text-center { text-align: center; }

/* Typography Helpers */
.highlight-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.highlight-cyan {
    color: var(--accent-cyan);
}

.section-header {
    margin-bottom: 44px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-light);
    color: var(--primary-dark);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-radius: var(--radius-full);
    margin-bottom: 12px;
}

.section-tag.tag-light {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.25;
    color: var(--text-main);
    margin-bottom: 14px;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 26px;
    font-weight: 700;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    text-align: center;
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-sm {
    padding: 9px 16px;
    font-size: 0.88rem;
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 15px 30px;
    font-size: 1.02rem;
    border-radius: var(--radius-md);
}

.btn-block {
    width: 100%;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--text-white);
    box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35);
}
.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(2, 132, 199, 0.5);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--accent-orange-gradient);
    color: var(--text-white);
    box-shadow: 0 4px 14px rgba(234, 88, 12, 0.35);
}
.btn-secondary:hover {
    box-shadow: 0 6px 20px rgba(234, 88, 12, 0.5);
    transform: translateY(-2px);
}

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

.hero-call-btn {
    color: var(--primary-deep);
    font-weight: 800;
}

.btn-whatsapp {
    background: #25D366;
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}
.btn-whatsapp:hover {
    background: #20BA5A;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
    transform: translateY(-2px);
}

/* ==========================================================================
   Top Announcement Bar (Desktop + Mobile Marquee)
   ========================================================================== */
.top-bar {
    background: var(--bg-dark);
    color: #cbd5e1;
    font-size: 0.84rem;
    padding: 7px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
    z-index: 101;
}

.top-bar-desktop {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.top-bar-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.84rem;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-emerald);
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    animation: pulseGlow 1.8s infinite;
    flex-shrink: 0;
}

@keyframes pulseGlow {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.top-bar-actions {
    display: flex;
    align-items: center;
    gap: 18px;
}

.top-contact-link, .top-whatsapp-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #e2e8f0;
    font-weight: 600;
    white-space: nowrap;
}
.top-contact-link:hover, .top-whatsapp-link:hover {
    color: var(--accent-cyan);
}

/* Mobile Marquee Ticker */
.top-bar-marquee {
    display: none;
    width: 100%;
    overflow: hidden;
    white-space: nowrap;
    user-select: none;
    mask-image: linear-gradient(to right, transparent, black 3%, black 97%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 3%, black 97%, transparent);
}

.marquee-track {
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    will-change: transform;
    animation: marqueeScroll 24s linear infinite;
    gap: 36px;
    padding-left: 10px;
}

.marquee-track:hover, .marquee-track:active {
    animation-play-state: paused;
}

.marquee-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    color: #e2e8f0;
    flex-shrink: 0;
    white-space: nowrap;
}

.marquee-link {
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

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

/* ==========================================================================
   Sticky Header & Navigation
   ========================================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.85);
    transition: all var(--transition-base);
}

.site-header.header-scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.98);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 74px;
    gap: 20px;
}

.header-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    margin-right: 12px;
}

.header-logo img {
    height: 40px;
    width: auto;
    object-fit: contain;
    display: block;
}

.nav-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-width: 0;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 22px;
    white-space: nowrap;
    margin: 0;
    padding: 0;
}

.nav-link {
    font-size: 0.94rem;
    font-weight: 600;
    color: var(--text-main);
    position: relative;
    padding: 8px 2px;
    white-space: nowrap;
    display: inline-block;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width var(--transition-fast);
    border-radius: 2px;
}

.nav-link:hover {
    color: var(--primary);
}

.nav-link:hover::after {
    width: 100%;
}

.header-cta-group {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    white-space: nowrap;
    margin-left: 12px;
}

.header-phone-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-deep);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    background: var(--bg-soft-blue);
    border: 1px solid var(--border-cyan);
    white-space: nowrap;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}
.header-phone-btn:hover {
    background: var(--primary-light);
    border-color: var(--primary);
}
.header-phone-btn svg {
    color: var(--primary);
    flex-shrink: 0;
}

.header-phone-text {
    display: flex;
    flex-direction: column;
    text-align: left;
    line-height: 1.15;
}

.phone-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
}

.phone-num {
    font-family: var(--font-heading);
    font-size: 0.92rem;
    font-weight: 800;
    color: var(--primary-dark);
    white-space: nowrap;
}

.mobile-toggle-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 26px;
    height: 19px;
    padding: 0;
    flex-shrink: 0;
}

.mobile-toggle-btn .bar {
    height: 2.5px;
    width: 100%;
    background-color: var(--text-main);
    border-radius: 3px;
    transition: all var(--transition-fast);
}

/* Header Collapse at Tablet / Smaller Screen */
@media (max-width: 1140px) {
    .nav-menu {
        display: none;
    }
    .header-phone-btn {
        display: none;
    }
    .mobile-toggle-btn {
        display: flex;
    }
}

/* Mobile Drawer */
.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999;
    visibility: hidden;
    transition: visibility var(--transition-base);
}

.mobile-drawer.active {
    visibility: visible;
}

.mobile-drawer-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.mobile-drawer.active .mobile-drawer-overlay {
    opacity: 1;
}

.mobile-drawer-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 320px;
    max-width: 85%;
    height: 100%;
    background: #ffffff;
    box-shadow: var(--shadow-xl);
    padding: 24px;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform var(--transition-smooth);
}

.mobile-drawer.active .mobile-drawer-content {
    transform: translateX(0);
}

.mobile-drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border-light);
}

.mobile-close-btn {
    font-size: 2rem;
    line-height: 1;
    color: var(--text-muted);
}

.mobile-nav-list {
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 1;
    overflow-y: auto;
}

.mobile-nav-link {
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--text-main);
}

.mobile-nav-link:hover {
    color: var(--primary);
}

.mobile-drawer-footer {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-top: 18px;
    border-top: 1px solid var(--border-light);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    position: relative;
    padding: 50px 0 70px;
    background: linear-gradient(180deg, #f0f9ff 0%, #ffffff 100%);
    overflow: hidden;
}

.hero-bg-shapes .shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
    z-index: 1;
    opacity: 0.35;
}

.hero-bg-shapes .shape-1 {
    top: -50px;
    right: 10%;
    width: 450px;
    height: 450px;
    background: #bae6fd;
}

.hero-bg-shapes .shape-2 {
    bottom: -50px;
    left: -50px;
    width: 380px;
    height: 380px;
    background: #e0f2fe;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.18fr 0.82fr;
    gap: 40px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 16px;
    background: rgba(2, 132, 199, 0.08);
    border: 1px solid var(--border-cyan);
    border-radius: var(--radius-full);
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 18px;
    line-height: 1.4;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 2.85rem;
    font-weight: 900;
    line-height: 1.18;
    color: var(--text-main);
    margin-bottom: 18px;
    letter-spacing: -0.03em;
    word-break: break-word;
}

.hero-subtitle {
    font-size: 1.08rem;
    color: var(--text-muted);
    margin-bottom: 26px;
    max-width: 580px;
    line-height: 1.6;
}

.hero-features-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.92rem;
    color: var(--text-main);
    line-height: 1.4;
}

.feat-icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #e0f2fe;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.hero-cta-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.hero-social-proof {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
    flex-wrap: wrap;
}

.avatar-group {
    display: flex;
    flex-shrink: 0;
}

.avatar-circle {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: #ffffff;
    font-size: 0.82rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #ffffff;
    margin-left: -8px;
    flex-shrink: 0;
}

.avatar-circle:first-child {
    margin-left: 0;
}

.proof-text .stars {
    color: #f59e0b;
    font-size: 0.92rem;
    letter-spacing: 2px;
}

.proof-text span {
    font-size: 0.88rem;
    color: var(--text-muted);
}

/* Fast Conversion Card in Hero */
.hero-lead-card {
    background: #ffffff;
    border-radius: var(--radius-xl);
    padding: 28px 24px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-cyan);
    position: relative;
    box-sizing: border-box;
}

.card-header {
    text-align: center;
    margin-bottom: 20px;
}

.card-tag {
    display: inline-block;
    padding: 4px 12px;
    background: #fff7ed;
    border: 1px solid #ffedd5;
    color: var(--accent-orange-dark);
    font-size: 0.78rem;
    font-weight: 800;
    border-radius: var(--radius-full);
    margin-bottom: 8px;
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.38rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 4px;
}

.card-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Forms General */
.lead-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-main);
}

.form-group .req {
    color: #ef4444;
}

.form-control {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    background: #f8fafc;
    transition: all var(--transition-fast);
    box-sizing: border-box;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.hero-form-footer {
    text-align: center;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ==========================================================================
   Trust Bar Section
   ========================================================================== */
.trust-bar-section {
    background: #ffffff;
    padding: 28px 0;
    border-bottom: 1px solid var(--border-light);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    align-items: stretch;
}

.trust-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    background: var(--bg-soft-blue);
    border: 1px solid var(--border-cyan);
    transition: transform var(--transition-fast);
    min-width: 0;
    overflow: hidden;
    height: 100%;
    box-sizing: border-box;
}
.trust-card:hover {
    transform: translateY(-2px);
}

.trust-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    background: #ffffff;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.trust-info {
    min-width: 0;
    overflow: hidden;
}

.trust-info h4 {
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 800;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.trust-info p {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ==========================================================================
   Problem vs Solution (Why Sugo)
   ========================================================================== */
.problem-solution-section {
    padding: 80px 0;
    background: #ffffff;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    align-items: stretch;
}

.comparison-card {
    border-radius: var(--radius-xl);
    padding: 36px 30px;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    box-sizing: border-box;
}

.card-negative {
    background: #fff1f2;
    border-color: #fecdd3;
}

.card-positive {
    background: #f0fdf4;
    border-color: #bbf7d0;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.card-badge-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 800;
    margin-bottom: 16px;
    align-self: flex-start;
}

.status-danger {
    background: #ffe4e6;
    color: #e11d48;
}

.status-success {
    background: #dcfce7;
    color: #15803d;
}

.comparison-title {
    font-family: var(--font-heading);
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 22px;
}

.comparison-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-bottom: 26px;
    flex: 1;
}

.comparison-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    line-height: 1.5;
}

.cross {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #fda4af;
    color: #9f1239;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.8rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.check {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #86efac;
    color: #14532d;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.8rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.comparison-list strong {
    display: block;
    font-size: 0.95rem;
    color: var(--text-main);
    margin-bottom: 2px;
}

.comparison-list p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.card-bottom-cta {
    margin-top: auto;
    padding-top: 10px;
}

/* ==========================================================================
   Product Showcase Section (Full-Height Aligned & Large Image)
   ========================================================================== */
.products-section {
    padding: 80px 0;
    background: var(--bg-soft-blue);
}

.product-tabs {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-bottom: 36px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 14px 28px;
    background: #ffffff;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    transition: all var(--transition-base);
    min-width: 260px;
}

.tab-btn .tab-title {
    font-family: var(--font-heading);
    font-size: 1.18rem;
    font-weight: 800;
    color: var(--text-main);
}

.tab-btn .tab-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.tab-btn.active {
    border-color: var(--primary);
    background: #ffffff;
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
}

.tab-btn.active .tab-title {
    color: var(--primary);
}

.product-detail-card {
    background: #ffffff;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 44px;
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: 48px;
    align-items: stretch;
    border: 1px solid var(--border-cyan);
}

.product-gallery-col {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.main-image-wrapper {
    position: relative;
    width: 100%;
    flex: 1;
    min-height: 480px;
    background: radial-gradient(circle, #f0f9ff 0%, #ffffff 85%);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 28px;
    border: 1.5px solid var(--border-cyan);
    box-shadow: inset 0 2px 10px rgba(2, 132, 199, 0.04);
}

.main-image-wrapper .main-product-picture {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
}

.main-image-wrapper .main-img {
    max-height: 420px;
    max-width: 92%;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 14px 22px rgba(2, 132, 199, 0.12));
    transition: opacity var(--transition-fast);
}

.product-badge {
    position: absolute;
    top: 18px;
    left: 18px;
    padding: 6px 14px;
    font-size: 0.8rem;
    font-weight: 800;
    border-radius: var(--radius-full);
    z-index: 2;
}

.badge-popular {
    background: #fff7ed;
    color: var(--accent-orange-dark);
    border: 1px solid #ffedd5;
}

.badge-natural {
    background: #ecfdf5;
    color: #047857;
    border: 1px solid #a7f3d0;
}

.image-zoom-hint {
    position: absolute;
    bottom: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.92);
    padding: 5px 14px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    z-index: 2;
}

.gallery-thumbs {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 18px;
}

.thumb-btn {
    width: 70px;
    height: 60px;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 4px;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.thumb-btn img {
    max-height: 100%;
    object-fit: contain;
}

.thumb-btn.active, .thumb-btn:hover {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(2, 132, 199, 0.25);
}

.product-info-col {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.product-header {
    margin-bottom: 16px;
}

.product-model-code {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.product-name {
    font-family: var(--font-heading);
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 4px;
    line-height: 1.2;
}

.product-tagline {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-weight: 500;
}

.product-desc {
    font-size: 0.92rem;
    color: var(--text-main);
    margin-bottom: 20px;
    line-height: 1.6;
}

.specs-table-wrapper {
    margin-bottom: 20px;
}

.specs-title {
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.specs-table tr {
    border-bottom: 1px solid var(--border-light);
}

.specs-table td {
    padding: 7px 0;
}

.spec-name {
    color: var(--text-muted);
    width: 38%;
    vertical-align: top;
}

.spec-value {
    color: var(--text-main);
    width: 62%;
    vertical-align: top;
    word-break: break-word;
}

.product-ideal-box {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    background: var(--bg-soft-blue);
    border: 1px solid var(--border-cyan);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    color: var(--primary-deep);
    margin-bottom: 24px;
    line-height: 1.45;
}
.product-ideal-box svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.product-actions-bar {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
    margin-top: auto;
}

/* ==========================================================================
   5-Stage Filter Section (100% Horizontally Aligned Bottom Lines)
   ========================================================================== */
.filters-section {
    padding: 80px 0;
    background: #ffffff;
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 18px;
    margin-bottom: 48px;
    align-items: stretch;
}

.filter-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1.5px solid var(--border-light);
    padding: 20px 16px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
    height: 100%;
    box-sizing: border-box;
}

.filter-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.filter-step-badge {
    background: var(--primary-light);
    color: var(--primary-dark);
    font-size: 0.74rem;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    margin-bottom: 12px;
    align-self: flex-start;
}

.filter-image-wrap {
    width: 100%;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    flex-shrink: 0;
}

.filter-image-wrap img {
    max-height: 150px;
    width: auto;
    object-fit: contain;
}

.filter-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    width: 100%;
    justify-content: space-between;
}

.filter-info-top {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.filter-micron {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 0.76rem;
    font-weight: 700;
    color: var(--accent-cyan);
    margin-bottom: 6px;
    min-height: 38px;
    line-height: 1.25;
}

.filter-title {
    font-family: var(--font-heading);
    font-size: 1.02rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 10px;
    line-height: 1.25;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.filter-desc {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.48;
    margin-bottom: 16px;
    flex: 1;
    text-align: center;
}

.filter-footer {
    width: 100%;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid var(--border-light);
    font-size: 0.78rem;
    color: var(--text-main);
    background: #ffffff;
}

.filter-lifespan {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    white-space: nowrap;
}

/* Water Quality Banner */
.water-quality-banner {
    background: var(--primary-gradient);
    border-radius: var(--radius-xl);
    padding: 28px 20px;
    color: #ffffff;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    align-items: center;
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.quality-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 4px;
}

.quality-text {
    font-size: 0.85rem;
    font-weight: 600;
    opacity: 0.95;
}

.quality-divider {
    display: none;
}

/* ==========================================================================
   Savings Calculator
   ========================================================================== */
.calculator-section {
    padding: 80px 0;
    background: var(--bg-soft-blue);
}

.calc-card {
    background: var(--bg-dark);
    color: #ffffff;
    border-radius: var(--radius-xl);
    padding: 48px 36px;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.calc-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.2) 0%, rgba(6, 182, 212, 0) 70%);
    pointer-events: none;
}

.calc-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.calc-main-title {
    font-family: var(--font-heading);
    font-size: 2.1rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 12px;
}

.calc-main-desc {
    color: #94a3b8;
    font-size: 1rem;
    margin-bottom: 30px;
    line-height: 1.5;
}

.calc-control-group {
    margin-bottom: 24px;
}

.slider-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-weight: 700;
    font-size: 0.95rem;
    gap: 10px;
    flex-wrap: wrap;
}

.slider-value-badge {
    padding: 5px 12px;
    background: rgba(6, 182, 212, 0.2);
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
    border-radius: var(--radius-full);
    font-weight: 800;
    font-size: 0.85rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.custom-range-slider {
    width: 100%;
    height: 8px;
    -webkit-appearance: none;
    appearance: none;
    background: #1e293b;
    border-radius: 6px;
    outline: none;
}

.custom-range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--accent-cyan);
    cursor: pointer;
    box-shadow: 0 0 12px var(--accent-cyan);
    transition: transform var(--transition-fast);
}
.custom-range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.slider-ticks {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: #64748b;
    margin-top: 6px;
}

.price-input-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--accent-cyan);
    font-weight: 800;
    white-space: nowrap;
}

.custom-number-input {
    width: 65px;
    padding: 3px 6px;
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 6px;
    color: #ffffff;
    font-weight: 700;
    text-align: center;
}

.calc-eco-badge {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-md);
    color: #a7f3d0;
    font-size: 0.85rem;
    line-height: 1.5;
}
.calc-eco-badge svg {
    flex-shrink: 0;
    margin-top: 2px;
}
.calc-eco-badge strong {
    color: #ffffff;
}

/* Results Inner Card */
.results-inner-card {
    background: #111e3f;
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: var(--radius-xl);
    padding: 30px 24px;
    box-shadow: var(--shadow-xl);
}

.savings-header {
    text-align: center;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
}

.savings-lbl {
    font-size: 0.85rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
}

.savings-amount {
    font-family: var(--font-heading);
    font-size: 2.9rem;
    font-weight: 900;
    color: var(--accent-cyan);
    line-height: 1.1;
    margin: 6px 0;
    text-shadow: 0 0 20px rgba(6, 182, 212, 0.4);
    word-break: break-word;
}

.savings-sub {
    font-size: 0.8rem;
    color: #94a3b8;
}

.savings-breakdown {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
    font-size: 0.9rem;
}

.breakdown-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #cbd5e1;
    gap: 10px;
}

.highlight-row {
    padding: 8px 12px;
    background: rgba(249, 115, 22, 0.15);
    border: 1px solid rgba(249, 115, 22, 0.3);
    border-radius: var(--radius-sm);
    color: #fed7aa;
}

.badge-payback {
    color: #fb923c;
    white-space: nowrap;
}

.results-cta {
    display: flex;
    flex-direction: column;
    gap: 10px;
    text-align: center;
}

.safe-text {
    font-size: 0.75rem;
    color: #94a3b8;
}

/* ==========================================================================
   Quiz Section
   ========================================================================== */
.quiz-section {
    padding: 80px 0;
    background: #ffffff;
}

.quiz-card-wrapper {
    max-width: 760px;
    margin: 0 auto;
    background: var(--bg-soft-blue);
    border: 1.5px solid var(--border-cyan);
    border-radius: var(--radius-xl);
    padding: 36px 28px;
    box-shadow: var(--shadow-xl);
}

.quiz-progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border-light);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 10px;
}

.quiz-progress-fill {
    height: 100%;
    background: var(--primary-gradient);
    transition: width var(--transition-base);
}

.quiz-steps-indicator {
    display: flex;
    justify-content: flex-end;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 24px;
}

.quiz-question {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-main);
    text-align: center;
    margin-bottom: 24px;
    line-height: 1.35;
}

.quiz-options-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    align-items: stretch;
}

.quiz-opt-btn {
    background: #ffffff;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 8px;
    transition: all var(--transition-base);
    min-height: 120px;
    height: 100%;
    justify-content: center;
    box-sizing: border-box;
}

.quiz-opt-btn:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.opt-emoji {
    font-size: 2rem;
    line-height: 1;
    flex-shrink: 0;
}

.opt-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.opt-text strong {
    display: block;
    font-size: 0.95rem;
    color: var(--text-main);
    line-height: 1.3;
}

.opt-text span {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.3;
}

/* Quiz Result */
.quiz-result {
    text-align: center;
    padding: 16px 0;
}

.result-badge {
    display: inline-block;
    padding: 6px 16px;
    background: #dcfce7;
    color: #166534;
    font-weight: 800;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    margin-bottom: 14px;
}

.result-title {
    font-family: var(--font-heading);
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 10px;
    line-height: 1.25;
}

.result-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 24px;
    line-height: 1.55;
}

.result-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* ==========================================================================
   Components & Materials Quality
   ========================================================================== */
.components-section {
    padding: 80px 0;
    background: var(--bg-soft-blue);
}

.components-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: stretch;
}

.comp-card {
    background: #ffffff;
    border-radius: var(--radius-xl);
    padding: 30px 24px;
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 20px;
    align-items: center;
    border: 1px solid var(--border-cyan);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-fast);
    height: 100%;
    box-sizing: border-box;
}
.comp-card:hover {
    transform: translateY(-3px);
}

.comp-image-col {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.comp-image-col img {
    max-height: 200px;
    object-fit: contain;
}

.comp-tag {
    display: inline-block;
    padding: 3px 10px;
    background: var(--primary-light);
    color: var(--primary-dark);
    font-size: 0.75rem;
    font-weight: 800;
    border-radius: var(--radius-full);
    margin-bottom: 6px;
}

.comp-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 8px;
    line-height: 1.3;
}

.comp-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 12px;
}

.comp-bullet-list {
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 0.8rem;
    color: var(--text-main);
}

.comp-bullet-list li {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    line-height: 1.4;
}

.comp-bullet-list span {
    color: var(--accent-emerald);
    font-weight: 800;
    flex-shrink: 0;
}

/* ==========================================================================
   Customer Reviews
   ========================================================================== */
.reviews-section {
    padding: 80px 0;
    background: #ffffff;
}

.rating-overview-card {
    max-width: 680px;
    margin: 0 auto 40px;
    background: var(--bg-soft-blue);
    border: 1.5px solid var(--border-cyan);
    border-radius: var(--radius-lg);
    padding: 20px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.rating-number {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--text-main);
    line-height: 1;
}

.rating-stars {
    color: #f59e0b;
    font-size: 1.25rem;
    letter-spacing: 2px;
}

.rating-count {
    font-size: 0.88rem;
    color: var(--text-muted);
}

.rating-guarantee-badge {
    padding: 5px 12px;
    background: #dcfce7;
    color: #166534;
    font-size: 0.82rem;
    font-weight: 800;
    border-radius: var(--radius-full);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    align-items: stretch;
}

.review-card {
    background: #ffffff;
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 12px;
    transition: all var(--transition-base);
    height: 100%;
    box-sizing: border-box;
}

.review-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 10px;
}

.reviewer-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: #ffffff;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.reviewer-meta {
    flex: 1;
    min-width: 0;
}

.reviewer-name {
    font-size: 0.92rem;
    font-weight: 800;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.reviewer-loc {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.review-badge-verified {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent-emerald);
    background: #ecfdf5;
    padding: 3px 6px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
    white-space: nowrap;
}

.review-stars-row {
    color: #f59e0b;
    font-size: 0.88rem;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.review-product-tag {
    font-size: 0.72rem;
    color: var(--text-muted);
    background: var(--bg-page);
    padding: 2px 6px;
    border-radius: 4px;
    letter-spacing: 0;
}

.review-body {
    font-size: 0.88rem;
    color: var(--text-main);
    line-height: 1.55;
    font-style: italic;
    flex: 1;
}

/* ==========================================================================
   FAQ Accordion
   ========================================================================== */
.faq-section {
    padding: 80px 0;
    background: var(--bg-soft-blue);
}

.faq-accordion-wrapper {
    max-width: 840px;
    margin: 0 auto 40px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: #ffffff;
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.faq-item.active {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    padding: 18px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    text-align: left;
    font-family: var(--font-heading);
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--text-main);
    background: #ffffff;
}

.q-text {
    flex: 1;
}

.q-icon {
    color: var(--primary);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.faq-item.active .q-icon {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 20px 18px;
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.faq-help-banner {
    max-width: 840px;
    margin: 0 auto;
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 26px 28px;
    border: 1px solid var(--border-cyan);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.help-text h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 3px;
}

.help-text p {
    font-size: 0.88rem;
    color: var(--text-muted);
}

.help-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* ==========================================================================
   Bottom Contact & Proposal Section
   ========================================================================== */
.contact-section {
    padding: 80px 0;
    background: #ffffff;
}

.contact-card-main {
    background: var(--bg-dark);
    border-radius: var(--radius-xl);
    padding: 48px 36px;
    color: #ffffff;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.contact-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 12px;
}

.contact-desc {
    color: #94a3b8;
    font-size: 1rem;
    margin-bottom: 28px;
    line-height: 1.55;
}

.contact-perks-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 30px;
}

.perk-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.88rem;
}

.perk-icon {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(6, 182, 212, 0.2);
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    flex-shrink: 0;
    margin-top: 2px;
}

.perk-item strong {
    display: block;
    font-size: 0.95rem;
    color: #ffffff;
    margin-bottom: 2px;
}

.perk-item p {
    font-size: 0.82rem;
    color: #94a3b8;
}

.direct-contact-item span {
    font-size: 0.82rem;
    color: #94a3b8;
    display: block;
}

.direct-contact-item .phone-link {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent-cyan);
    white-space: nowrap;
}

.form-wrapper-box {
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 30px 24px;
    color: var(--text-main);
    box-shadow: var(--shadow-xl);
    box-sizing: border-box;
}

.badge-discount {
    display: inline-block;
    padding: 4px 10px;
    background: #fff7ed;
    color: var(--accent-orange-dark);
    font-size: 0.78rem;
    font-weight: 800;
    border-radius: var(--radius-full);
    margin-bottom: 6px;
}

.form-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 3px;
}

.form-sub {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.form-note-secure {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 8px;
}

/* ==========================================================================
   Site Footer
   ========================================================================== */
.site-footer {
    background: #070d1d;
    color: #94a3b8;
    padding-top: 60px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1.3fr;
    gap: 36px;
    padding-bottom: 44px;
}

.footer-about {
    font-size: 0.88rem;
    line-height: 1.6;
    margin: 16px 0;
    color: #94a3b8;
}

.footer-cert-badges {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.cert-pill {
    padding: 3px 8px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-sm);
    font-size: 0.72rem;
    color: #cbd5e1;
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 16px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 9px;
    font-size: 0.88rem;
}

.footer-links a:hover {
    color: var(--accent-cyan);
}

.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 14px;
    font-size: 0.88rem;
}

.footer-contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.footer-contact-info svg {
    color: var(--accent-cyan);
    margin-top: 3px;
    flex-shrink: 0;
}

.footer-contact-info .lbl {
    display: block;
    font-size: 0.75rem;
    color: #64748b;
}

.footer-contact-info .val {
    color: #e2e8f0;
}

.footer-contact-info .val.bold {
    font-weight: 700;
    font-size: 1rem;
}

.footer-bottom {
    background: #040811;
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.82rem;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom-links {
    display: flex;
    gap: 16px;
}
.footer-bottom-links a:hover {
    color: var(--accent-cyan);
}

/* ==========================================================================
   Mobile Sticky Action Bar (Fixed at bottom on mobile)
   ========================================================================== */
.mobile-sticky-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background: #ffffff;
    border-top: 1px solid var(--border-cyan);
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    padding: 6px 10px;
    grid-template-columns: 1fr 1fr 1.35fr;
    gap: 6px;
    align-items: center;
    box-sizing: border-box;
}

@media (max-width: 768px) {
    .mobile-sticky-bar {
        display: grid;
    }
}

.mobile-sticky-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    height: 100%;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    font-weight: 700;
    text-align: center;
    padding: 6px 6px;
    white-space: nowrap;
}

.sticky-call {
    background: var(--bg-soft-blue);
    color: var(--primary-dark);
    border: 1px solid var(--border-cyan);
}

.sticky-wa {
    background: #25D366;
    color: #ffffff;
}

.sticky-cta {
    background: var(--accent-orange-gradient);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(234, 88, 12, 0.3);
}

/* ==========================================================================
   Floating Widgets & Modal
   ========================================================================== */
.floating-actions {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 99;
}

@media (max-width: 768px) {
    .floating-actions {
        bottom: 74px; /* Elevated above Mobile Sticky Bar */
        right: 14px;
    }
}

.float-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    position: relative;
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.float-btn:hover {
    transform: scale(1.08);
}

.float-whatsapp {
    background: #25D366;
    color: #ffffff;
}

.whatsapp-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 18px;
    height: 18px;
    background: #ef4444;
    color: #ffffff;
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #ffffff;
}

.float-phone {
    background: var(--primary);
    color: #ffffff;
}

.float-top {
    background: #ffffff;
    color: var(--text-main);
    border: 1px solid var(--border-light);
    display: none;
}
.float-top.show {
    display: flex;
}

.float-tooltip {
    position: absolute;
    right: 64px;
    background: #0f172a;
    color: #ffffff;
    padding: 5px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}

.float-btn:hover .float-tooltip {
    opacity: 1;
}

/* Modal Popup */
.lead-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1050;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    visibility: hidden;
    opacity: 0;
    transition: all var(--transition-base);
}

.lead-modal.active {
    visibility: visible;
    opacity: 1;
}

.lead-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(6px);
}

.lead-modal-dialog {
    position: relative;
    z-index: 2;
    background: #ffffff;
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 500px;
    padding: 32px 26px;
    box-shadow: var(--shadow-xl);
    transform: translateY(20px);
    transition: transform var(--transition-smooth);
    max-height: 90vh;
    overflow-y: auto;
    box-sizing: border-box;
}

.lead-modal.active .lead-modal-dialog {
    transform: translateY(0);
}

.lead-modal-close {
    position: absolute;
    top: 16px;
    right: 18px;
    font-size: 1.6rem;
    color: var(--text-muted);
    line-height: 1;
}

.lead-modal-header {
    text-align: center;
    margin-bottom: 20px;
}

.lead-modal-badge {
    display: inline-block;
    padding: 4px 10px;
    background: #fff7ed;
    color: var(--accent-orange-dark);
    font-size: 0.76rem;
    font-weight: 800;
    border-radius: var(--radius-full);
    margin-bottom: 6px;
}

.lead-modal-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 4px;
}

.lead-modal-desc {
    font-size: 0.84rem;
    color: var(--text-muted);
}

.form-privacy-note {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 10px;
}

/* Toast Feedback */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    pointer-events: auto;
    padding: 14px 20px;
    border-radius: var(--radius-md);
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 10px;
    animation: toastSlideIn 0.3s ease forwards;
    max-width: 380px;
}

.toast-success {
    background: #059669;
}

.toast-error {
    background: #dc2626;
}

@keyframes toastSlideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Button Loading State */
.submit-btn.loading .btn-text {
    visibility: hidden;
}

.btn-loader {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    position: absolute;
}

.submit-btn.loading .btn-loader {
    display: block;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .trust-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .filters-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .product-detail-card {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .main-image-wrapper {
        min-height: 380px;
    }
    .water-quality-banner {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .calc-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .top-bar {
        padding: 6px 0;
        height: 34px;
        display: flex;
        align-items: center;
    }
    .top-bar-desktop {
        display: none;
    }
    .top-bar-marquee {
        display: flex;
        align-items: center;
    }
    .hero-title {
        font-size: 2.1rem;
    }
    .hero-features-list {
        grid-template-columns: 1fr;
    }
    .trust-grid {
        grid-template-columns: 1fr 1fr;
    }
    .comparison-grid {
        grid-template-columns: 1fr;
    }
    .filters-grid {
        grid-template-columns: 1fr 1fr;
    }
    .quiz-options-grid {
        grid-template-columns: 1fr;
    }
    .components-grid {
        grid-template-columns: 1fr;
    }
    .comp-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .comp-bullet-list li {
        justify-content: center;
    }
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    .calc-card, .contact-card-main {
        padding: 30px 18px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .product-tabs {
        flex-direction: column;
    }
    .tab-btn {
        min-width: 100%;
    }
}

@media (max-width: 480px) {
    .trust-grid {
        grid-template-columns: 1fr;
    }
    .filters-grid {
        grid-template-columns: 1fr;
    }
    .water-quality-banner {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .float-btn {
        width: 46px;
        height: 46px;
    }
}