/* ==========================================================================
   PERFECT SOLUTIONS - PAGE SPECIFIC LAYOUTS & STYLES
   ========================================================================== */

/* --------------------------------------------------------------------------
   HOMEPAGE (INDEX.HTML)
   -------------------------------------------------------------------------- */

/* Cinematic 3D Parallax Hero */
.hero-parallax-wrapper {
    position: relative;
    width: 100%;
    height: 80vh; /* Controlled viewport height */
    min-height: 680px;
    display: flex;
    align-items: center;
    background-color: #020a10;
    overflow: hidden;
    padding-top: 80px; /* Header offset */
}

/* Background master artwork layer */
.hero-bg-layer {
    position: absolute;
    inset: 0;
    z-index: 1;
    overflow: hidden;
}

.hero-bg-layer img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transform: scale(1.02);
    opacity: 0.85; /* Artwork clearly visible (above 50% strength) */
    filter: brightness(0.78) contrast(1.05) saturate(1.02); /* Preserve original color grading */
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Multi-directional environmental lens gradient overlay - dark behind text, transparent behind visual */
.hero-env-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: 
        linear-gradient(to right, rgba(2, 10, 16, 0.96) 0%, rgba(2, 10, 16, 0.82) 30%, rgba(2, 10, 16, 0.1) 60%, rgba(2, 10, 16, 0.5) 100%),
        linear-gradient(to top, rgba(2, 10, 16, 0.85) 0%, rgba(2, 10, 16, 0) 30%, rgba(2, 10, 16, 0) 70%, rgba(2, 10, 16, 0.5) 100%);
}

/* Hero Content Grid - prevent header collision */
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 10;
    width: 100%;
    margin-top: 30px;
}

.hero-text-content {
    max-width: 520px;
    color: #FFFFFF;
    padding-top: 30px; /* Safe padding offset */
}

.hero-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(25, 181, 197, 0.15);
    border: 1px solid rgba(25, 181, 197, 0.35);
    border-radius: var(--radius-full);
    color: var(--color-aqua);
    margin-bottom: 24px;
}

.hero-title {
    margin-bottom: 20px;
    color: #FFFFFF;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-desc {
    color: var(--color-text-muted);
    margin-bottom: 40px;
    font-weight: 500;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Artwork Spacing Container to hold layout column */
.hero-artwork-spacer {
    height: 480px;
    pointer-events: none;
}

@media (max-width: 992px) {
    .hero-parallax-wrapper {
        height: auto;
        min-height: auto;
        padding-top: 110px;
        padding-bottom: 60px;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
        margin-top: 0;
    }
    
    .hero-text-content {
        margin: 0 auto;
        padding-top: 0;
    }
    
    .hero-ctas {
        justify-content: center;
    }
    
    .hero-artwork-spacer {
        height: 340px;
        width: 100%;
    }
    
    .hero-bg-layer img {
        object-position: 65% center; /* Crop/position to keep the main water object visible */
    }
}

@media (max-width: 576px) {
    .hero-parallax-wrapper {
        min-height: auto;
        padding-top: 100px;
        padding-bottom: 60px;
    }
    
    .hero-artwork-spacer {
        height: 260px;
    }
}
    


/* Intro Asymmetric Section */
.intro-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.intro-image-container {
    position: relative;
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: visible; /* 3D break out support */
}

/* Custom 3D emerging card effect */
.card-3d-popout {
    position: relative;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-premium);
    transition: var(--transition-smooth);
    background: #FFF;
}

.card-3d-popout img {
    border-radius: var(--radius-lg);
    transition: var(--transition-smooth);
}

/* Layer overlaps creating depth */
.depth-overlay-layer {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 60%;
    border-radius: var(--radius-lg);
    border: 8px solid #FFF;
    box-shadow: var(--shadow-premium);
    background: #FFF;
    z-index: 5;
    transition: var(--transition-smooth);
}

.card-3d-popout:hover {
    transform: translateY(-8px) rotateX(2deg);
}

.card-3d-popout:hover .depth-overlay-layer {
    transform: translate(-10px, -10px) scale(1.05);
}

/* 2-Column Solutions Intro Grid */
.intro-solutions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-top: 40px;
}

.intro-solution-card {
    padding: 40px;
    border-radius: var(--radius-xl);
    transition: var(--transition-smooth);
    border-top: 4px solid transparent;
}

.intro-solution-card.water {
    border-top-color: var(--color-secondary);
}

.intro-solution-card.solar {
    border-top-color: var(--color-solar-gold);
}

.intro-solution-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-premium);
}

/* --------------------------------------------------------------------------
   WATER SOLUTIONS PAGE (WATER-SOLUTIONS.HTML)
   -------------------------------------------------------------------------- */
.water-theme {
    --theme-color-primary: var(--color-secondary);
    --theme-color-glow: rgba(8, 126, 164, 0.15);
}

/* Water Hero styles */
.water-hero-bg {
    background: linear-gradient(135deg, rgba(6, 59, 92, 0.05) 0%, rgba(25, 181, 197, 0.08) 100%);
    position: relative;
    overflow: hidden;
}

.water-droplet-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 40px auto;
    max-width: 600px;
}

.water-droplet-glow {
    position: absolute;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(25, 181, 197, 0.25) 0%, transparent 70%);
    z-index: 1;
    animation: pulseGlow 6s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.15); opacity: 1; }
}

.water-droplet-img {
    position: relative;
    z-index: 2;
    border-radius: var(--radius-full);
    filter: drop-shadow(0 15px 30px rgba(0, 37, 61, 0.15));
}

/* Water Process timeline */
.water-process-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
}

.water-process-card {
    padding: 32px 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    z-index: 5;
}

.process-step-num {
    font-family: 'Geist', monospace;
    font-size: 14px;
    font-weight: 700;
    color: var(--color-aqua);
    background: rgba(25, 181, 197, 0.1);
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Water Infrastructure Bento Grid */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
}

.bento-card-large {
    grid-column: span 8;
}

.bento-card-medium {
    grid-column: span 6;
}

.bento-card-small {
    grid-column: span 4;
}

.bento-card {
    padding: 40px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    position: relative;
    transition: var(--transition-smooth);
}

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

/* Equipment card specific rules */
.equipment-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.equipment-card {
    padding: 24px;
    border-radius: var(--radius-lg);
    background: #FFF;
    border: 1px solid var(--color-border-light);
    transition: var(--transition-smooth);
}

.equipment-card:hover {
    border-color: var(--color-aqua);
    box-shadow: var(--shadow-glass);
}

/* --------------------------------------------------------------------------
   SOLAR SYSTEMS PAGE (SOLAR-SYSTEMS.HTML)
   -------------------------------------------------------------------------- */
.solar-theme {
    --theme-color-primary: var(--color-solar-gold);
    --theme-color-glow: rgba(245, 184, 46, 0.15);
}

.solar-hero-bg {
    background: linear-gradient(135deg, rgba(0, 37, 61, 0.95) 0%, rgba(232, 154, 24, 0.05) 100%);
    color: var(--color-text-on-dark);
}

.solar-hero-bg .hero-title,
.solar-hero-bg .hero-desc {
    color: var(--color-text-on-dark);
    text-shadow: none;
}

/* --------------------------------------------------------------------------
   ABOUT US PAGE (ABOUT.HTML)
   -------------------------------------------------------------------------- */
.about-capabilities-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.approach-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.approach-card {
    padding: 30px 24px;
    border-radius: var(--radius-lg);
    border-top: 3px solid var(--color-primary);
}

/* --------------------------------------------------------------------------
   BLOG PAGE (BLOG.HTML)
   -------------------------------------------------------------------------- */
.blog-filter-bar {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
}

.filter-btn {
    font-family: 'Geist', monospace;
    font-size: 13px;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border-light);
    color: var(--color-text-muted);
    transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-primary);
    color: var(--color-text-on-dark);
    border-color: var(--color-primary);
}

.blog-featured-card {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: 64px;
}

.blog-featured-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 350px;
}

.blog-featured-content {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 20px;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.blog-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.blog-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-premium);
}

.blog-card-img img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-card-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.blog-meta {
    font-family: 'Geist', monospace;
    font-size: 12px;
    color: var(--color-secondary);
}

/* --------------------------------------------------------------------------
   CONTACT PAGE (CONTACT.HTML)
   -------------------------------------------------------------------------- */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
}

.contact-info-panel {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-method-card {
    display: flex;
    gap: 16px;
    padding: 24px;
    border-radius: var(--radius-lg);
}

.contact-method-icon {
    font-size: 28px;
    color: var(--color-secondary);
}

.contact-method-details h4 {
    margin-bottom: 6px;
    font-family: 'Hanken Grotesk', sans-serif;
    color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   RESPONSIVE LAYOUT OVERRIDES
   ========================================================================== */
@media (max-width: 992px) {
    .intro-section,
    .bento-grid,
    .blog-featured-card,
    .blog-grid,
    .contact-layout,
    .about-capabilities-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .bento-card-large,
    .bento-card-medium,
    .bento-card-small {
        grid-column: span 12;
    }
    
    .blog-featured-img img {
        min-height: 250px;
    }
    
    .water-process-row {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
    
    .equipment-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .intro-solutions-grid,
    .approach-steps {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .water-process-row,
    .equipment-grid {
        grid-template-columns: 1fr;
    }
    .hero-content {
        padding: 24px 16px;
    }
}

/* --------------------------------------------------------------------------
   VISUAL ENVIRONMENTAL SCENES & SECTION PATTERNS
   -------------------------------------------------------------------------- */
.section-env-bg {
    position: relative;
    width: 100%;
    min-height: 85vh;
    display: flex;
    align-items: center;
    padding: 120px 0;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Environment Scene Classes for Transitioning Scenes */
.env-scene-navy {
    background-color: var(--color-deep-navy);
    background-image: radial-gradient(circle at 80% 20%, rgba(6, 59, 92, 0.15) 0%, transparent 60%);
}

.env-scene-teal {
    background-color: var(--color-dark-teal);
    background-image: radial-gradient(circle at 20% 80%, rgba(25, 181, 197, 0.12) 0%, transparent 60%);
}

.env-scene-water {
    background-color: var(--color-dark-water);
    background-image: radial-gradient(circle at 50% 50%, rgba(8, 126, 164, 0.15) 0%, transparent 70%);
}

.env-scene-engineering {
    background-color: var(--color-engineering-blue);
    background-image: radial-gradient(circle at 80% 80%, rgba(25, 181, 197, 0.1) 0%, transparent 50%);
}

/* Controlled Lighter Highlight Section */
.light-section-highlight {
    background-color: #062235;
    background-image: linear-gradient(180deg, rgba(248, 250, 252, 0.02) 0%, rgba(248, 250, 252, 0.0) 100%);
    border-top: 1px solid rgba(25, 181, 197, 0.1);
    border-bottom: 1px solid rgba(25, 181, 197, 0.1);
}

/* Overlays designed to mask background images and ensure text readability */
.section-env-overlay-left {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(to right, rgba(3, 15, 26, 0.98) 0%, rgba(3, 15, 26, 0.8) 40%, rgba(3, 15, 26, 0.15) 75%, rgba(3, 15, 26, 0.7) 100%);
}

.section-env-overlay-right {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(to left, rgba(3, 15, 26, 0.98) 0%, rgba(3, 15, 26, 0.8) 40%, rgba(3, 15, 26, 0.15) 75%, rgba(3, 15, 26, 0.7) 100%);
}

.section-env-overlay-center {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: radial-gradient(circle, rgba(3, 15, 26, 0.4) 0%, rgba(3, 15, 26, 0.88) 70%, rgba(3, 15, 26, 0.98) 100%);
}

.section-env-content {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 600px;
    color: #FFFFFF;
}

.section-env-content.right-aligned {
    margin-left: auto;
}

.section-env-content.center-aligned {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    max-width: 800px;
}

/* --------------------------------------------------------------------------
   IMAGE SHOWCASE GRID (PLANT GALLERY)
   -------------------------------------------------------------------------- */
.image-showcase-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.showcase-panel {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 360px;
    display: flex;
    align-items: flex-end;
    transition: var(--transition-smooth);
    border: 1px solid rgba(25, 181, 197, 0.15);
}

.showcase-panel img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    transition: var(--transition-smooth);
}

.showcase-panel-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(to top, rgba(3, 15, 26, 0.95) 0%, rgba(3, 15, 26, 0.5) 50%, transparent 100%);
    transition: var(--transition-smooth);
}

.showcase-panel-content {
    position: relative;
    z-index: 10;
    padding: 30px;
    width: 100%;
    color: #FFFFFF;
}

.showcase-panel:hover {
    transform: translateY(-8px);
    border-color: var(--color-aqua);
    box-shadow: 0 20px 45px rgba(25, 181, 197, 0.25);
}

.showcase-panel:hover img {
    transform: scale(1.05);
}

.showcase-panel:hover .showcase-panel-overlay {
    background: linear-gradient(to top, rgba(3, 15, 26, 1) 0%, rgba(3, 15, 26, 0.7) 70%, rgba(3, 15, 26, 0.2) 100%);
}

.col-span-12 { grid-column: span 12; }
.col-span-8 { grid-column: span 8; }
.col-span-6 { grid-column: span 6; }
.col-span-4 { grid-column: span 4; }
.col-span-3 { grid-column: span 3; }

@media (max-width: 992px) {
    .col-span-12, .col-span-8, .col-span-6, .col-span-4, .col-span-3 {
        grid-column: span 12;
    }
    .image-showcase-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .showcase-panel {
        min-height: 280px;
    }
}

/* --------------------------------------------------------------------------
   ENGINEERING PARTITION (VISUAL BREAK & TRANSITION)
   -------------------------------------------------------------------------- */
.engineering-partition {
    position: relative;
    width: 100%;
    height: 140px;
    background-color: #030f1a;
    background-image: 
        linear-gradient(rgba(25, 181, 197, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(25, 181, 197, 0.02) 1px, transparent 1px);
    background-size: 28px 28px;
    background-position: center;
    overflow: hidden;
    border-top: 1px solid rgba(25, 181, 197, 0.08);
    border-bottom: 1px solid rgba(25, 181, 197, 0.08);
}

.engineering-partition::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(25, 181, 197, 0.25) 20%, rgba(25, 181, 197, 0.25) 80%, transparent);
}

/* Moving flow trace animation */
.engineering-partition::after {
    content: '';
    position: absolute;
    top: calc(50% - 4px);
    left: -10%;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-aqua);
    box-shadow: 0 0 12px var(--color-aqua), 0 0 4px #FFFFFF;
    animation: flowTrace 10s cubic-bezier(0.15, 0.85, 0.35, 1) infinite;
}

@keyframes flowTrace {
    0% { left: -10%; opacity: 0; }
    5% { opacity: 1; }
    95% { opacity: 1; }
    100% { left: 110%; opacity: 0; }
}

/* --------------------------------------------------------------------------
   STRUCTURED ENGINEERING STORY SECTION (SCENE 1 SPLIT)
   -------------------------------------------------------------------------- */
.engineering-story-section {
    background-color: #030f1a;
    background-image: radial-gradient(circle at 80% 80%, rgba(6, 59, 92, 0.15) 0%, transparent 60%);
    padding: 100px 0;
    border-bottom: 1px solid rgba(25, 181, 197, 0.06);
}

.engineering-story-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.engineering-story-visual {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid rgba(25, 181, 197, 0.15);
    box-shadow: 0 15px 35px rgba(3, 15, 26, 0.5);
    max-height: 400px;
}

.engineering-story-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.engineering-story-content {
    color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   STAGGERED SHOWCASE HEIGHT CLASSES
   -------------------------------------------------------------------------- */
.showcase-panel.height-lg {
    min-height: 480px;
}

.showcase-panel.height-md {
    min-height: 360px;
}

.showcase-panel.height-sm {
    min-height: 280px;
}

/* --------------------------------------------------------------------------
   DARK TECHNICAL EQUIPMENT & STORAGE LAYOUT (SCENE 6 STRUCTURED)
   -------------------------------------------------------------------------- */
.technical-equipment-section {
    background-color: #020a10;
    background-image: 
        linear-gradient(rgba(25, 181, 197, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(25, 181, 197, 0.015) 1px, transparent 1px);
    background-size: 40px 40px;
    padding: 100px 0;
    border-top: 1px solid rgba(25, 181, 197, 0.08);
    border-bottom: 1px solid rgba(25, 181, 197, 0.08);
}

.technical-equipment-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 40px;
}

.technical-equipment-panel {
    background: rgba(4, 18, 29, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(25, 181, 197, 0.12);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.technical-equipment-panel:hover {
    border-color: var(--color-aqua);
    box-shadow: 0 15px 40px rgba(25, 181, 197, 0.1);
}

@media (max-width: 992px) {
    .engineering-story-grid,
    .technical-equipment-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .engineering-story-visual {
        max-height: 300px;
    }
}