/* ==========================================================================
   CSS Variables (Theme & Tokens)
   ========================================================================== */
:root {
    /* Color Palette - HSL format for flexibility */
    /* Primary: Deep Professional Navy */
    --clr-primary-h: 216;
    --clr-primary-s: 75%;
    --clr-primary-l: 25%;
    --clr-primary: hsl(var(--clr-primary-h), var(--clr-primary-s), var(--clr-primary-l));
    --clr-primary-light: hsl(var(--clr-primary-h), var(--clr-primary-s), 40%);
    --clr-primary-dark: hsl(var(--clr-primary-h), var(--clr-primary-s), 15%);

    /* Secondary: Calming Teal */
    --clr-secondary-h: 180;
    --clr-secondary-s: 50%;
    --clr-secondary-l: 45%;
    --clr-secondary: hsl(var(--clr-secondary-h), var(--clr-secondary-s), var(--clr-secondary-l));
    --clr-secondary-light: hsl(var(--clr-secondary-h), var(--clr-secondary-s), 60%);

    /* Backgrounds & Surfaces */
    --clr-bg: hsl(210, 20%, 98%);
    --clr-surface: hsl(0, 0%, 100%);
    --clr-surface-glass: hsla(0, 0%, 100%, 0.85);
    
    /* Text */
    --clr-text: hsl(210, 15%, 25%);
    --clr-text-light: hsl(210, 10%, 45%);
    --clr-heading: hsl(216, 75%, 15%);

    /* Typography */
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: 'Outfit', system-ui, -apple-system, sans-serif;
    --fw-light: 300;
    --fw-regular: 400;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;

    /* Spacing - Increased for airy, premium feel */
    --space-xs: 0.75rem;
    --space-sm: 1.5rem;
    --space-md: 3rem;
    --space-lg: 6rem;
    --space-xl: 10rem;

    /* Borders & Radius - Sleek and sharp, NOT soft pills */
    --br-sm: 6px;
    --br-md: 12px;
    --br-lg: 24px;
    --br-pill: 8px;

    /* Shadows - Softer and more diffused */
    --shadow-sm: 0 8px 24px hsla(216, 75%, 15%, 0.06);
    --shadow-md: 0 16px 32px hsla(216, 75%, 15%, 0.08);
    --shadow-lg: 0 24px 48px hsla(216, 75%, 15%, 0.12);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

body {
    font-family: var(--font-family);
    color: var(--clr-text);
    background-color: var(--clr-bg);
    line-height: 1.7;
    font-size: 1.05rem;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--clr-heading);
    line-height: 1.15;
    font-weight: var(--fw-bold);
    letter-spacing: -0.03em;
}

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

a:hover {
    color: var(--clr-secondary);
}

ul {
    list-style: none;
}

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

/* ==========================================================================
   Layout & Utility Classes
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-sm);
}

.section {
    padding: var(--space-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-lg);
    max-width: 700px;
    margin-inline: auto;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: var(--space-sm);
}

.section-header p {
    color: var(--clr-text-light);
    font-size: 1.125rem;
}

.bg-light { background-color: var(--clr-bg); }
.bg-white { background-color: var(--clr-surface); }
.bg-primary-dark { background-color: var(--clr-primary-dark); }
.text-white { color: hsla(0, 0%, 100%, 0.9); }
.text-white h2, .text-white h3, .text-white h4 { color: white; }
.w-100 { width: 100%; }

/* Glassmorphism */
.glass-card {
    background: linear-gradient(135deg, hsla(0, 0%, 100%, 0.95) 0%, hsla(0, 0%, 100%, 0.6) 100%);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid hsla(0, 0%, 100%, 0.8);
    border-radius: var(--br-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, hsla(0, 0%, 100%, 0.4) 0%, transparent 100%);
    z-index: 0;
    pointer-events: none;
}

.glass-card > * {
    position: relative;
    z-index: 1;
}

.dark-glass {
    background: linear-gradient(135deg, hsla(216, 75%, 15%, 0.8) 0%, hsla(216, 75%, 10%, 0.4) 100%);
    border: 1px solid hsla(0, 0%, 100%, 0.15);
    box-shadow: var(--shadow-lg);
}

.dark-glass::before {
    background: linear-gradient(135deg, hsla(0, 0%, 100%, 0.1) 0%, transparent 100%);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.8rem;
    border-radius: var(--br-sm);
    font-family: var(--font-heading);
    font-weight: var(--fw-semibold);
    text-align: center;
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
    font-size: 1rem;
    letter-spacing: 0.02em;
}

.btn-primary {
    background: var(--clr-primary);
    color: white;
    box-shadow: inset 0 1px 0 hsla(0,0%,100%,0.2), 0 4px 12px hsla(var(--clr-primary-h), var(--clr-primary-s), var(--clr-primary-l), 0.2);
    border: 1px solid var(--clr-primary-dark);
}

.btn-primary:hover {
    background: var(--clr-primary-dark);
    color: white;
    transform: scale(1.02);
    box-shadow: inset 0 1px 0 hsla(0,0%,100%,0.1), 0 8px 24px hsla(var(--clr-primary-h), var(--clr-primary-s), var(--clr-primary-l), 0.3);
}

.btn-primary-sm {
    background: var(--clr-primary);
    color: white;
    padding: 0.6rem 1.4rem;
    border-radius: var(--br-sm);
    border: 1px solid var(--clr-primary-dark);
    font-family: var(--font-heading);
    font-weight: var(--fw-medium);
}

.btn-primary-sm:hover {
    background: var(--clr-primary-dark);
    color: white;
    transform: scale(1.02);
}

.btn-secondary {
    background-color: white;
    color: var(--clr-primary);
    border: 1px solid var(--clr-primary);
}

.btn-secondary:hover {
    background-color: var(--clr-bg);
    transform: translateY(-2px);
}

/* Animations */
.hover-lift {
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.navbar {
    position: fixed;
    top: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 3rem);
    max-width: 1200px;
    z-index: 1000;
    background: hsla(0, 0%, 100%, 0.85);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow: 0 8px 32px hsla(216, 75%, 15%, 0.1);
    border: 1px solid hsla(0, 0%, 100%, 0.6);
    border-radius: 100vw;
    transition: all var(--transition-normal);
    padding: 0.5rem 1.5rem;
}

.navbar.scrolled {
    top: 0.75rem;
    background: hsla(0, 0%, 100%, 0.95);
    box-shadow: 0 12px 48px hsla(216, 75%, 15%, 0.15);
}

.navbar .plexus-icon {
    width: 44px;
    height: 44px;
}
.navbar .logo-text-wrapper strong {
    font-size: 2rem;
    letter-spacing: -0.03em;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0;
}

.plexus-icon {
    width: clamp(50px, 6vw, 70px);
    height: clamp(50px, 6vw, 70px);
    object-fit: contain;
    flex-shrink: 0;
    border-radius: 20%;
    box-shadow: 0 4px 12px hsla(216, 75%, 15%, 0.08);
}

.logo {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.8rem;
    color: var(--clr-primary);
    text-decoration: none;
}

.logo-text-wrapper {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    line-height: 1;
}

.logo-text-wrapper strong {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: var(--fw-bold);
    color: var(--clr-primary);
    font-family: var(--font-heading);
    letter-spacing: -0.04em;
}

.logo-text-wrapper span {
    font-size: clamp(0.85rem, 1.2vw, 1rem);
    color: var(--clr-text-light);
    background: transparent;
    padding: 0;
    border-radius: 0;
    font-weight: var(--fw-medium);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.nav-links a:not(.btn) {
    color: var(--clr-text);
    font-weight: var(--fw-medium);
    position: relative;
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--clr-secondary);
    transition: width var(--transition-fast);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    position: relative;
    z-index: 1010;
}

.mobile-menu-toggle .bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    transition: all 0.3s ease-in-out;
    background-color: var(--clr-primary);
    border-radius: 2px;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 140px; /* Offset for large navbar */
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.video-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, hsla(var(--clr-primary-h), var(--clr-primary-s), var(--clr-primary-l), 0.85) 0%, hsla(var(--clr-secondary-h), var(--clr-secondary-s), var(--clr-secondary-l), 0.7) 100%);
}

.hero-container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 700px;
    position: relative;
    z-index: 1;
}

.hero-content > * {
    position: relative;
    z-index: 2;
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 40%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, hsla(var(--clr-secondary-h), var(--clr-secondary-s), 50%, 0.6) 0%, transparent 60%);
    filter: blur(100px);
    z-index: 0;
    pointer-events: none;
    mix-blend-mode: screen;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: transparent;
    color: var(--clr-primary);
    border-radius: var(--br-sm);
    border: 1px solid var(--clr-primary);
    font-size: 0.8rem;
    font-family: var(--font-heading);
    font-weight: var(--fw-bold);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: var(--space-sm);
    letter-spacing: -1px;
    color: white;
}

.hero h1 span {
    color: var(--clr-secondary-light);
}

.hero p {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    color: hsla(0, 0%, 100%, 0.9);
    margin-bottom: var(--space-md);
    max-width: 600px;
}

.hero .badge {
    background: transparent;
    color: white;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid hsla(0, 0%, 100%, 0.4);
}

.hero-actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: center;
}

.about-text h3 {
    font-size: 1.75rem;
    margin-bottom: var(--space-sm);
}

.about-text p {
    margin-bottom: var(--space-sm);
}

.feature-list {
    margin-top: var(--space-md);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-weight: var(--fw-medium);
}

.feature-list svg {
    width: 20px;
    height: 20px;
    color: var(--clr-secondary);
}

.about-image-wrapper {
    position: relative;
}

.about-image-wrapper::before {
    content: '';
    position: absolute;
    top: 16px;
    left: 16px;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-secondary) 100%);
    border-radius: var(--br-lg);
    z-index: -1;
    opacity: 0.15;
    transition: transform var(--transition-normal);
}

.about-image-wrapper:hover::before {
    transform: translate(8px, 8px);
}

.about-image {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    border-radius: var(--br-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
    transition: transform var(--transition-normal);
}

.about-image-wrapper:hover .about-image {
    transform: translate(-4px, -4px);
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-md);
}

.service-card {
    padding: var(--space-lg) var(--space-md);
    text-align: center;
    height: 100%;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: hsla(var(--clr-secondary-h), var(--clr-secondary-s), var(--clr-secondary-l), 0.4);
    box-shadow: 0 20px 40px hsla(var(--clr-secondary-h), var(--clr-secondary-s), var(--clr-secondary-l), 0.08);
}

.service-icon {
    margin-bottom: var(--space-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: transparent;
    border: 1px solid hsla(var(--clr-primary-h), var(--clr-primary-s), var(--clr-primary-l), 0.1);
    border-radius: var(--br-md);
    box-shadow: inset 0 2px 10px hsla(var(--clr-primary-h), var(--clr-primary-s), var(--clr-primary-l), 0.03);
    color: var(--clr-primary);
    transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

.service-card:hover .service-icon {
    color: white;
    background-color: var(--clr-secondary);
    border-color: var(--clr-secondary);
}

.service-card h3 {
    margin-bottom: var(--space-xs);
    font-size: 1.5rem;
}

.service-card p {
    color: var(--clr-text-light);
}

/* ==========================================================================
   Process/Timeline Section
   ========================================================================== */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 24px;
    height: 100%;
    width: 2px;
    background: var(--clr-primary-light);
    opacity: 0.2;
}

.timeline-item {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    position: relative;
}

.timeline-dot {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-secondary) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--fw-bold);
    font-size: 1.25rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px hsla(var(--clr-primary-h), var(--clr-primary-s), var(--clr-primary-l), 0.25), 0 0 0 4px var(--clr-bg);
    z-index: 1;
}

.timeline-content {
    flex-grow: 1;
}

.timeline-content h4 {
    margin-bottom: var(--space-xs);
    font-size: 1.25rem;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
}

.contact-info > p {
    margin-bottom: var(--space-md);
    color: hsla(0,0%,100%,0.8);
    font-size: 1.1rem;
}

.info-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.info-item .icon {
    font-size: 1.5rem;
}

.info-item h4 {
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}

.info-item p, .info-item a {
    color: hsla(0,0%,100%,0.7);
}

.info-item a:hover {
    color: white;
}

/* Form */
.contact-form-wrapper {
    padding: var(--space-md);
}

.form-group {
    margin-bottom: var(--space-sm);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: var(--fw-medium);
    color: white;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid hsla(0,0%,100%,0.2);
    border-radius: var(--br-sm);
    background: hsla(0,0%,0%,0.2);
    color: white;
    font-family: var(--font-family);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: hsla(0,0%,100%,0.4);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--clr-secondary);
    background: hsla(0,0%,0%,0.3);
}

.form-group select option {
    background-color: var(--clr-primary-dark);
    color: white;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
    background: var(--clr-primary-dark);
    color: hsla(0,0%,100%,0.7);
    padding-top: var(--space-lg);
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.footer-brand .logo {
    color: white;
    display: block;
    margin-bottom: var(--space-xs);
}

.footer-brand p {
    font-size: 0.9rem;
}

.footer-links h4,
.footer-ndis h4 {
    color: white;
    margin-bottom: var(--space-sm);
}

.ndis-logo-container {
    background: white;
    padding: 0.6rem 1.2rem;
    border-radius: var(--br-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    max-width: 100%;
    margin-top: 1rem;
    box-shadow: var(--shadow-sm);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    color: hsla(0,0%,100%,0.7);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    background: hsla(0,0%,0%,0.2);
    padding: var(--space-sm) 0;
    text-align: center;
    font-size: 0.875rem;
}

/* ==========================================================================
   Media Queries
   ========================================================================== */
@media (max-width: 768px) {
    .section {
        padding: var(--space-md) 0;
    }

    .nav-links {
        position: absolute;
        top: calc(100% + 0.75rem);
        left: 0;
        right: 0;
        width: auto;
        display: flex;
        flex-direction: column;
        gap: var(--space-sm);
        background: hsla(0, 0%, 100%, 0.96);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        border: 1px solid hsla(0, 0%, 100%, 0.6);
        border-radius: var(--br-md);
        box-shadow: var(--shadow-lg);
        padding: var(--space-md) var(--space-sm);
        text-align: center;
        opacity: 0;
        transform: translateY(-10px);
        pointer-events: none;
        transition: opacity var(--transition-normal), transform var(--transition-normal);
        z-index: 999;
    }

    .nav-links.active {
        opacity: 1;
        transform: translateY(0);
        pointer-events: all;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .mobile-menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .mobile-menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .hero h1 {
        font-size: 2.5rem;
    }
}