:root {
    /* Colors */
    --color-primary: hsl(200, 70%, 50%); /* A vibrant, yet calm blue */
    --color-primary-dark: hsl(200, 70%, 40%);
    --color-primary-light: hsl(200, 70%, 60%);
    --color-accent: hsl(150, 40%, 40%); /* Muted green for contrast */
    --color-accent-light: hsl(150, 40%, 50%);
    --color-text-dark: hsl(210, 10%, 20%); /* Dark grey for body text */
    --color-text-light: hsl(210, 10%, 40%);
    --color-background-light: hsl(0, 0%, 98%); /* Off-white for sections */
    --color-background-dark: hsl(210, 10%, 12%); /* Dark background for footer */
    --color-white: #ffffff;

    /* RGB approximations for RGBA usage in gradients/overlays */
    --color-primary-rgb: 31, 140, 217; /* ~hsl(200, 70%, 50%) */
    --color-accent-rgb: 87, 137, 107;   /* ~hsl(150, 40%, 40%) */
    --color-gradient-start-rgb: 31, 140, 217; /* approximates hsl(200, 70%, 55%) */
    --color-gradient-end-rgb: 31, 87, 191; /* approximates hsl(220, 80%, 40%) */

    /* Fonts */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;

    /* Border Radius */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 1rem;

    /* Box Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);

    /* Transitions */
    --transition-speed: 0.3s ease-in-out;
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--color-text-dark);
    background-color: var(--color-white);
    overflow-x: hidden; /* Prevent horizontal scroll from animations */
}

a {
    text-decoration: none;
    color: var(--color-primary);
    transition: color var(--transition-speed), transform var(--transition-speed);
}

a:hover {
    color: var(--color-primary-dark);
    transform: translateY(-2px);
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-text-dark);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.8rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }

p {
    margin-bottom: var(--spacing-sm);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-title {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: var(--border-radius-sm);
}

.section-subtitle {
    font-size: 1.2rem;
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-bg-light {
    background-color: var(--color-background-light);
}

/* Header & Navigation */
.header {
    background-color: var(--color-white);
    padding: var(--spacing-md) 0;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-speed), box-shadow var(--transition-speed);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-primary);
    position: relative;
    transition: color var(--transition-speed);
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform var(--transition-speed);
}

.logo:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: var(--spacing-lg);
}

.nav-links a {
    color: var(--color-text-dark);
    font-weight: 500;
    font-size: 1.1rem;
    position: relative;
    padding-bottom: 5px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform var(--transition-speed);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    cursor: pointer;
    z-index: 1001;
    background: none; /* Remove button default styling */
    border: none;
    padding: 0;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text-dark);
    transition: transform var(--transition-speed), opacity var(--transition-speed);
}

/* Hero Section */
.hero-section {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: var(--color-white);
    text-align: center;
    padding-top: 80px; /* Offset for fixed header */
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
    filter: brightness(0.7);
    transform: scale(1.05); /* Subtle zoom for more dynamic feel */
    animation: hero-zoom 30s infinite alternate ease-in-out;
}

.hero-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(var(--color-gradient-start-rgb), 0.7), rgba(var(--color-gradient-end-rgb), 0.7));
    opacity: 1;.85;
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    padding: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta-text {
    font-size: 1.2rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.8);
    margin-top: var(--spacing-xl);
}

@keyframes hero-zoom {
    from {
        transform: scale(1.05);
    }
    to {
        transform: scale(1.0);
    }
}

/* Animations for hero content */
.animate-in {
    opacity: 1;
    transform: translateY(20px);
    animation: fadeInSlideUp 0.8s forwards ease-out;
}
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

@keyframes fadeInSlideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* General Section Styles */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

/* About Section */
.about-section {
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    overflow: hidden;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-content {
    padding-right: var(--spacing-lg);
}

.about-content .section-title {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}
.about-content .section-title::after {
    left: 0;
    transform: translateX(0);
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transform: rotateY(0deg) scale(1);
    transition: transform 0.6s ease-out;
}

.about-image-wrapper:hover {
    transform: rotateY(5deg) scale(1.02);
}

.about-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.9);
    transition: filter 0.6s ease-out;
}

.about-image-wrapper:hover .about-image {
    filter: brightness(1);
}

.image-gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(var(--color-primary-rgb), 0.1), rgba(var(--color-accent-rgb), 0.2));
    opacity: 1;.3;
    transition: opacity 0.6s ease-out;
}

.about-image-wrapper:hover .image-gradient-overlay {
    opacity: 1;
}


/* Solutions Section & Card Grids */
.solutions-grid,
.testimonials-grid,
.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.solution-card,
.insight-card,
.testimonial-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(var(--color-primary-rgb), 0.05); /* Light border */
}

.solution-card::before,
.insight-card::before,
.testimonial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-speed);
}

.solution-card:hover::before,
.insight-card:hover::before,
.testimonial-card:hover::before {
    transform: scaleX(1);
}

.solution-card:hover,
.insight-card:hover,
.testimonial-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    font-size: 3.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(45deg, var(--color-primary), var(--color-accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block; /* Required for text-fill-color */
}

.solution-card h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-dark);
}

.solution-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* Vision Section */
.vision-pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.pillar-item {
    background-color: var(--color-background-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1px solid rgba(var(--color-accent-rgb), 0.1);
}

.pillar-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.pillar-icon {
    font-size: 3rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(45deg, var(--color-accent), var(--color-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.pillar-item h3 {
    font-size: 1.3rem;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
}

.pillar-item p {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* Testimonials Section */
.testimonial-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.testimonial-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: var(--spacing-md);
    border: 3px solid var(--color-primary-light);
    box-shadow: var(--shadow-sm);
}

.testimonial-quote {
    font-style: italic;
    font-size: 1.1rem;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
}

.testimonial-author {
    font-weight: 600;
    color: var(--color-primary-dark);
    font-size: 0.9rem;
}

/* Insights Section */
.insight-card {
    padding: 0;
    text-align: left;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.insight-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-top-left-radius: var(--border-radius-lg);
    border-top-right-radius: var(--border-radius-lg);
    transition: transform var(--transition-speed);
}

.insight-card:hover .insight-image {
    transform: scale(1.05);
}

.insight-content {
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
}

.insight-content h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
}

.insight-content p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.insight-meta {
    font-weight: 600;
    color: var(--color-primary);
    display: inline-block;
    position: relative;
    padding-right: 15px;
}

.insight-meta::after {
    content: '\2192'; /* Right arrow */
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    transition: transform var(--transition-speed);
}

.insight-card:hover .insight-meta::after {
    transform: translateY(-50%) translateX(5px);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary-dark), hsl(220, 80%, 40%)); /* Directly using HSL for gradient */
    color: var(--color-white);
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.cta-section .section-title,
.cta-section .section-subtitle {
    color: var(--color-white);
}

.cta-section .section-title::after {
    background: var(--color-white);
}

.cta-subtitle {
    margin-bottom: var(--spacing-lg);
}

.social-links {
    margin-top: var(--spacing-lg);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.social-links p {
    margin: 0 var(--spacing-sm) 0 0;
    font-size: 1.1rem;
    font-weight: 500;
}

.social-links a {
    color: var(--color-white);
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.social-links a:hover {
    background-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px) scale(1.1);
    color: var(--color-white); /* Ensure color stays white on hover */
}

/* Footer */
.footer {
    background-color: var(--color-background-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    font-size: 0.95rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.footer-logo::after {
    background: var(--color-accent);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
}

.footer-links h4,
.footer-social h4 {
    color: var(--color-white);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.footer-links h4::after,
.footer-social h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background: var(--color-accent);
    border-radius: var(--border-radius-sm);
}

.footer-links ul {
    list-style: none;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.footer-links a:hover {
    color: var(--color-white);
    transform: translateX(5px);
}

.footer-social .social-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social .social-icons a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.2rem;
    background-color: rgba(255, 255, 255, 0.1);
    width: 35px;
    height: 35px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: var(--border-radius-sm);
    transition: background-color var(--transition-speed), color var(--transition-speed), transform var(--transition-speed);
}

.footer-social .social-icons a:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
    transform: translateY(-3px) scale(1.1);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin-top: var(--spacing-lg);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

/* Scroll Reveal Animations */
.scroll-reveal {
    opacity: 1;
    transform: translateY(50px);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

.scroll-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}


/* Media Queries for Responsiveness */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    h1 { font-size: 3rem; }
    h2 { font-size: 2.4rem; }
    h3 { font-size: 1.8rem; }
    .hero-title { font-size: 3.5rem; }
    .hero-subtitle { font-size: 1.3rem; }
    .nav-links { gap: var(--spacing-md); }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 80px; /* Below header */
        left: 0;
        width: 100%;
        background-color: var(--color-white);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-md) 0;
        border-top: 1px solid rgba(var(--color-primary-rgb), 0.1);
        z-index: 999;
        transform: translateY(-100%);
        transition: transform var(--transition-speed);
        opacity: 1;
    }

    body.nav-open .nav-links {
        display: flex;
        transform: translateY(0);
        opacity: 1;
    }

    .nav-links li {
        text-align: center;
        margin: var(--spacing-sm) 0;
    }

    .nav-links a {
        padding: var(--spacing-sm) 0;
        font-size: 1.2rem;
        width: 100%;
        display: block;
        color: var(--color-text-dark);
    }
    .nav-links a:hover {
        background-color: var(--color-background-light);
    }
    .nav-links a::after {
        height: 1px;
    }

    .nav-toggle {
        display: flex;
    }

    body.nav-open .nav-toggle span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    body.nav-open .nav-toggle span:nth-child(2) {
        opacity: 1;
    }
    body.nav-open .nav-toggle span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .hero-section {
        height: 80vh;
        padding-top: 60px;
    }
    .hero-title {
        font-size: 2.8rem;
    }
    .hero-subtitle {
        font-size: 1.1rem;
    }
    .about-grid {
        grid-template-columns: 1fr;
    }
    .about-content {
        padding-right: 0;
        text-align: center;
    }
    .about-content .section-title {
        text-align: center;
    }
    .about-content .section-title::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .solutions-grid,
    .testimonials-grid,
    .insights-grid,
    .vision-pillars {
        grid-template-columns: 1fr; /* Stacks to 1 column */
    }

    .solution-card, .insight-card, .testimonial-card, .pillar-item {
        padding: var(--spacing-lg);
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-brand {
        margin-bottom: var(--spacing-md);
    }
    .footer-links h4, .footer-social h4 {
        text-align: center;
        margin-top: var(--spacing-md);
    }
    .footer-links h4::after, .footer-social h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    .footer-links ul {
        padding: 0;
    }
    .footer-social .social-icons {
        justify-content: center;
    }
    .social-links p {
        margin-right: 0;
        margin-bottom: var(--spacing-sm);
        width: 100%;
    }
    .social-links {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    .hero-title { font-size: 2.2rem; }
    .hero-subtitle { font-size: 1rem; }
    .section-title { font-size: 2rem; }
    .section-subtitle { font-size: 1rem; }
    .hero-cta-text { font-size: 1rem; }
}

/* Animation states when visible - FIXED: Only opacity: 1 */
.animate-fade-in-up.visible,
.animate-fade-in-left.visible,
.animate-fade-in-right.visible,
.animate-bounce-y.visible,
.section-scroll-animate.visible,
.text-animate-up.visible,
.reveal-item.visible,
.scroll-reveal.visible,
.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-fade-in-up.visible.fade-in,
.section-scroll-animate.visible.fade-in {
    opacity: 1;
}

.animate-fade-in-up.visible.slide-up,
.section-scroll-animate.visible.slide-up {
    transform: translateY(0);
}
/* Safe visibility overrides (auto-added) */
:root, html, body, main, header, footer, section, .container, .content {
  opacity: 1 !important;
  visibility: visible !important;
}