@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@500;700&family=Outfit:wght@400;600;900&display=swap');

:root {
    --primary: #0088cc;
    --primary-light: #00aaff;
    --primary-dark: #005f99;
    --secondary: #00d4ff;
    --accent: #26C6DA;
    --dark: #0a192f;
    --dark-alt: #112240;
    --white: #FFFFFF;
    --light: #F4F7FA;
    --gray: #64748B;
    --gray-light: #94A3B8;
    --border: #E2E8F0;
    --border-glow: rgba(0, 136, 204, 0.3);
    --font-main: 'Outfit', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
    --shadow-pro: 0 30px 60px rgba(0, 136, 204, 0.1);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.2);
    --transition-ultra: all 0.6s cubic-bezier(0.19, 1, 0.22, 1);
    --transition-smooth: all 0.4s ease;
    
    /* Auto-Scaling Fluid Spacing */
    --section-padding: clamp(80px, 12vw, 180px);
    --container-width: clamp(320px, 94vw, 1300px);
    --mobile-padding: 30px;
}

/* Custom Scroll Progress Bar */
#scrollProgress {
    position: fixed;
    top: 0; left: 0;
    width: 0%; height: 4px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    z-index: 9999;
    transition: width 0.1s ease;
}

/* Theme Toggle Button */
#themeToggle {
    background: rgba(0, 136, 204, 0.1);
    border: 1px solid var(--border);
    width: 45px; height: 45px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    margin-left: 20px;
    color: var(--dark);
    font-size: 1.2rem;
}

#themeToggle:hover {
    background: var(--primary);
    color: white;
    transform: rotate(15deg);
}

/* Water Ripple Canvas Wrapper */
#rippleCanvas {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 1;
    opacity: 0.6;
}

* { margin: 0; padding: 0; box-sizing: border-box; list-style: none !important; }

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

body {
    font-family: var(--font-main);
    background-color: var(--white);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
}

/* Moving Mesh Background */
.mesh-surface {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: -2;
    background: 
        radial-gradient(at 0% 0%, rgba(0, 136, 204, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(0, 212, 255, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(38, 198, 218, 0.08) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(0, 88, 155, 0.08) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(0, 212, 255, 0.05) 0px, transparent 50%);
    filter: blur(100px);
    animation: meshMove 25s infinite alternate ease-in-out;
}

@keyframes meshMove {
    0% { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.1) translate(-20px, 30px); }
}

/* Page Transitions */
.page-fade-in {
    animation: fadeInPage 1s ease-out forwards;
}

@keyframes fadeInPage {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scrollDownLine {
    0% { transform: scaleY(0); transform-origin: top; opacity: 0; }
    50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
    51% { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
    100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

.container { 
    width: var(--container-width); 
    margin: 0 auto; 
    padding: 0 20px; /* Base padding for all screens */
}

@media (max-width: 768px) {
    .container { padding: 0 var(--mobile-padding); }
}

section { padding: var(--section-padding) 0; position: relative; }
.bg-light { background-color: var(--light); }

/* Ultra Glass HUD Overlay - Adaptive Position */
.glass-hud {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(30px) saturate(150%);
    -webkit-backdrop-filter: blur(30px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.6);
    padding: clamp(18px, 2.5vw, 28px);
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0, 40, 80, 0.06), 
                inset 0 0 0 1px rgba(255,255,255,0.4);
    z-index: 10;
    transition: var(--transition-ultra);
}

.glass-hud:hover {
    transform: translateY(-8px) scale(1.05) !important;
    border-color: var(--primary-light);
    box-shadow: 0 30px 60px rgba(0, 80, 150, 0.12);
}

.hud-top { position: absolute; top: 30%; right: 10%; width: 260px; }
.hud-bottom { position: absolute; bottom: 20%; right: 15%; width: 240px; }

.hud-label { font-size: 0.75rem; font-weight: 800; color: var(--primary); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 8px; display: block; }
.hud-value { font-family: var(--font-mono); font-size: clamp(1.2rem, 3vw, 1.8rem); font-weight: 700; color: var(--dark); }

/* Fluid Typography 2.0 */
h1 {
    font-size: clamp(2.8rem, 8.5vw, 6rem);
    font-weight: 900;
    line-height: 0.95;
    letter-spacing: -3.5px;
    margin-bottom: 35px;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 10px 20px rgba(0, 136, 204, 0.1));
}

h2 { 
    font-size: clamp(2.2rem, 5.5vw, 4rem); 
    font-weight: 900; 
    text-align: center; 
    margin-bottom: clamp(50px, 9vw, 90px); 
    letter-spacing: -1.5px; 
    line-height: 1.1;
}

h3 { font-size: clamp(1.5rem, 2.8vw, 2rem); font-weight: 900; margin-bottom: 20px; letter-spacing: -0.5px; }

p { font-size: clamp(1.15rem, 1.6vw, 1.25rem); color: var(--gray); margin-bottom: 30px; line-height: 1.8; letter-spacing: -0.2px; }

/* Buttons Luxe - Fluid Padding */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: clamp(14px, 2vw, 20px) clamp(25px, 4vw, 48px);
    border-radius: 50px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: var(--transition-ultra);
    cursor: pointer;
    border: none;
    font-size: clamp(0.75rem, 1vw, 0.85rem);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--dark);
    color: var(--white);
    box-shadow: 0 10px 30px rgba(10, 25, 47, 0.2);
}

.btn-primary:hover {
    background: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 136, 204, 0.4);
}

.btn-premium {
    background: linear-gradient(135deg, var(--dark) 0%, #1a365d 100%);
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
}

.btn-outline {
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    color: var(--dark);
}

.btn-google-play {
    background: #000000;
    color: #ffffff;
    padding: 12px 24px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: var(--transition-ultra);
    border: 1px solid rgba(255,255,255,0.1);
    min-width: 200px;
}

.btn-google-play:hover {
    transform: translateY(-5px);
    background: #111111;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    border-color: var(--primary);
}

.btn-google-play .icon {
    font-size: 1.8rem;
    color: #ffffff;
}

.btn-google-play .text-wrap {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.1;
    text-transform: none;
    letter-spacing: 0;
}

.btn-google-play .small-text {
    font-size: 0.65rem;
    font-weight: 400;
    opacity: 0.8;
}

.btn-google-play .big-text {
    font-size: 1.1rem;
    font-weight: 700;
}

/* Header Elite - Responsive Height */
header {
    position: fixed;
    top: 0; width: 100%; z-index: 1000;
    padding: clamp(15px, 3vw, 30px) 0;
    transition: var(--transition-ultra);
}

header.scrolled {
    padding: 12px 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(25px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

nav { display: flex; justify-content: space-between; align-items: center; }

.logo { font-size: 1.4rem; font-weight: 900; color: var(--dark); letter-spacing: -1px; z-index: 10001; }
.logo span { color: var(--primary); }

.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-links a::after {
    content: "";
    position: absolute;
    bottom: -5px; left: 0;
    width: 0%; height: 2px;
    background: var(--primary);
    transition: var(--transition-smooth);
}

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

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

/* --- MOBILE NAVIGATION --- */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 10001;
    padding: 10px;
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(10px);
    border-radius: 12px;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition-ultra);
}

@media (max-width: 1024px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 25px;
        transition: 0.6s cubic-bezier(0.19, 1, 0.22, 1);
        z-index: 10000;
        padding: 40px;
        list-style: none !important; /* Force remove dots */
        margin: 0;
    }

    .nav-links li {
        list-style: none !important;
        width: 100%;
        text-align: center;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        font-size: 1.6rem;
        font-weight: 800;
        color: var(--dark) !important; /* Force corporate color */
        text-decoration: none !important;
        display: block;
        padding: 10px 0;
    }

    .menu-toggle.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .menu-toggle.active span:nth-child(2) { opacity: 0; }
    .menu-toggle.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
}

/* Hero Section Ultra - Auto Height Adjust */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: url('runo_pool_precision_hero_bg_1775682151841.png') no-repeat center center;
    background-size: cover;
    z-index: 1;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(255,255,255,1) 30%, rgba(255,255,255,0.7) 60%, transparent 100%);
    z-index: -1;
}

.hero-content {
    max-width: 650px;
    position: relative;
    z-index: 5;
    padding-top: 60px;
}

@media (max-width: 768px) {
    .hero {
        padding-top: 80px; /* Reduced from 100px */
        padding-bottom: 40px;
        min-height: auto; /* Allow content to define height if needed, or keep 100vh with less internal gap */
        justify-content: center;
        align-items: center;
        text-align: center;
    }
    .hero::before {
        background: radial-gradient(circle at center, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 100%);
    }
    h1 {
        font-size: 2.5rem;
        line-height: 1.1;
        letter-spacing: -1.5px;
        margin-bottom: 20px;
    }
    .hero-content p {
        font-size: 0.95rem;
        max-width: 100%;
        margin: 0 auto 25px;
    }
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding-top: 40px; /* Reduced shift */
    }
}

/* Bento Grid System - Responsive 2.0 */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, minmax(200px, 280px));
    gap: clamp(15px, 3vw, 30px);
    margin-top: 60px;
}

.bento-item {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: clamp(20px, 4vw, 40px);
    padding: clamp(25px, 5vw, 50px);
    position: relative;
    overflow: hidden;
    transition: var(--transition-ultra);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.bento-item.large {
    grid-column: span 2;
    grid-row: span 2;
    background: linear-gradient(to bottom, rgba(255,255,255,0.7), rgba(255,255,255,0.1)), url('runo_pool_aqua_texture_1775680309163.png');
    background-size: cover;
    background-position: center;
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.bento-item.tall { grid-row: span 2; }

/* Floating Cards Sync */
.pro-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(25px) saturate(120%);
    padding: clamp(35px, 6vw, 60px);
    border-radius: 35px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 25px 55px rgba(0, 45, 90, 0.04);
    transition: var(--transition-ultra);
    position: relative;
    overflow: hidden;
}

.pro-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 100%; height: 5px;
    background: linear-gradient(to right, transparent, var(--primary), transparent);
    opacity: 0;
    transition: var(--transition-smooth);
}

.pro-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 45px 90px rgba(0, 136, 204, 0.12);
    border-color: rgba(0, 136, 204, 0.3);
}

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

/* SVG Divider Adaptive Height */
.wave-divider {
    position: absolute;
    left: 0; width: 100%; height: clamp(50px, 8vw, 100px);
    line-height: 0;
    pointer-events: none;
}

.wave-divider svg { display: block; width: 100%; height: 100%; }

/* Grid 3 Responsive Fallback */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 4vw, 40px); }

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
}

/* --- UNIFIED RESPONSIVE SYSTEM (PREMIUM MOBILE V3) --- */
@media (max-width: 768px) {
    /* Global Gaps Fix */
    section {
        padding: 50px 0 !important;
        margin: 0 !important;
    }
    /* Hero Reset - More Compact & Punchy */
    .hero {
        padding: 100px 0 30px !important;
        min-height: auto;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
        margin: 0 auto;
        padding: 0 20px;
    }

    h1 {
        font-size: clamp(2rem, 11vw, 2.8rem) !important;
        line-height: 1.1;
        margin-bottom: 20px;
        letter-spacing: -1.5px;
    }
    
    .hero-content p {
        font-size: 1.1rem !important;
        line-height: 1.6;
        margin-bottom: 30px;
        color: var(--dark);
        opacity: 0.8;
    }

    .hero-btns {
        padding: 0 5% !important;
        flex-direction: column;
        gap: 12px;
    }

    /* Cards - Higher Density & Readable */
    .pro-card {
        padding: 35px 20px !important;
        text-align: center;
        border-radius: 25px;
    }

    /* Table Fix - Horizontal Scroll Support */
    .table-responsive {
        width: 100%;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 20px !important;
        margin-bottom: 30px;
    }

    /* Subtle scrollbar indicator for mobile users */
    .table-responsive::-webkit-scrollbar {
        height: 4px;
    }
    .table-responsive::-webkit-scrollbar-thumb {
        background: var(--primary);
        border-radius: 10px;
    }

    .pro-card table {
        min-width: 600px;
    }

    /* Calculator Result Card - Absolute Centering */
    #totalSavings {
        font-size: 2.8rem !important;
        letter-spacing: -2px;
        margin: 15px 0 !important;
        text-align: center !important;
        display: block;
        width: 100%;
        color: var(--secondary) !important;
    }

    /* Force tight center stacking for all elements in results card */
    [style*="background: var(--dark)"] {
        padding: 35px 20px !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        text-align: center !important;
    }

    [style*="background: var(--dark)"] div[style*="display: flex"] {
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        width: 100% !important;
        gap: 12px !important;
    }

    /* Ensure secondary labels are also centered */
    [style*="background: var(--dark)"] p, 
    [style*="background: var(--dark)"] span {
        text-align: center !important;
        width: 100% !important;
        margin: 5px 0 !important;
    }

    .grid-3, .grid-2 {
        grid-template-columns: 1fr !important;
        gap: 30px;
    }

    /* Footer Reset */
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .footer-section h4::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .social-links {
        justify-content: center;
    }

    /* Remove Clutter HUD for best Mobile flow */
    .hud-top, .hud-bottom {
        display: none !important;
    }
}
#calculator .pro-card { width: 100% !important; margin-bottom: 20px; }

/* Absolute Page Bottom Reset & Flex Isolation */
html, body {
    margin: 0 !important;
    padding: 0 !important;
    height: auto !important;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden !important;
}

main {
    flex: 1 0 auto;
    width: 100%;
    overflow: hidden;
}

footer {
    flex-shrink: 0;
    margin-top: auto;
    margin-bottom: 0 !important;
    display: block;
    position: relative;
    z-index: 100;
}

/* Hard Kill for any AOS induced layout stretching */
[data-aos]:not(.aos-animate) {
    visibility: hidden !important;
    height: 0 !important;
    overflow: hidden !important;
    pointer-events: none !important;
}

/* Ensure no fixed/absolute background element bleeds past the footer */
.mesh-surface {
    max-height: 100vh;
    overflow: hidden;
}