/* ==========================================================================
   Codeswitch Consulting - Design System & Stylesheet
   Brand Colors Theme (Default) + Dark Minimal Theme Switcher
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens & Theme Variables
   -------------------------------------------------------------------------- */
:root {
    /* Brand Color Tokens */
    --primary-dark: #003849;
    --primary: #006686;
    --primary-light: #0094ae;
    --accent: #6e262a;
    --accent-light: #e39575;
    --soft-pink: #dfb9c7;
    --soft-blue: #b3dee6;

    /* Theme Structural Colors (Default Light Brand Theme) */
    --bg-main: #ffffff;
    --bg-secondary: #f4f8fa;
    --bg-card: #ffffff;
    --bg-hero: linear-gradient(135deg, #003849 0%, #006686 60%, #0094ae 100%);
    
    --text-main: #2d3748;
    --text-muted: #596780;
    --text-heading: #003849;
    --text-inverse: #ffffff;

    --border-color: #e2e8f0;
    --card-shadow: 0 10px 30px rgba(0, 56, 73, 0.08);
    --card-shadow-hover: 0 18px 40px rgba(0, 56, 73, 0.16);

    --nav-bg: transparent;
    --nav-scrolled-bg: rgba(255, 255, 255, 0.95);
    --nav-text: #ffffff;
    --nav-text-scrolled: #003849;

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Dark Minimal Theme State */
[data-theme="dark"] {
    --bg-main: #061921;
    --bg-secondary: #002632;
    --bg-card: #003849;
    --bg-hero: linear-gradient(135deg, #021218 0%, #002936 60%, #003849 100%);

    --text-main: #e2eff3;
    --text-muted: #95b3bd;
    --text-heading: #ffffff;
    --text-inverse: #ffffff;

    --border-color: #004e66;
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    --card-shadow-hover: 0 18px 40px rgba(0, 148, 174, 0.25);

    --nav-bg: transparent;
    --nav-scrolled-bg: rgba(6, 25, 33, 0.95);
    --nav-text: #ffffff;
    --nav-text-scrolled: #ffffff;
}

/* --------------------------------------------------------------------------
   2. Reset & General Styles
   -------------------------------------------------------------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    transition: background-color var(--transition-normal), color var(--transition-normal);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-header h2 {
    font-size: 2.375rem;
    font-weight: 700;
    color: var(--text-heading);
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
}

.divider {
    width: 60px;
    height: 4px;
    background: var(--accent-light);
    margin: 0 auto;
    border-radius: 2px;
}

/* --------------------------------------------------------------------------
   3. Header & Navigation
   -------------------------------------------------------------------------- */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: background-color var(--transition-normal), box-shadow var(--transition-normal), padding var(--transition-normal);
    padding: 1.25rem 0;
}

#header.scrolled {
    background-color: var(--nav-scrolled-bg);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 0.85rem 0;
}

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

.brand-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.brand-logo-img {
    height: 42px;
    width: auto;
    transition: transform var(--transition-fast);
}

.brand-link:hover .brand-logo-img {
    transform: scale(1.05);
}

.brand-text {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--nav-text);
    transition: color var(--transition-normal);
}

#header.scrolled .brand-text {
    color: var(--nav-text-scrolled);
}

.nav-right-controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--nav-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
    position: relative;
}

#header.scrolled .nav-links a {
    color: var(--nav-text-scrolled);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-light) !important;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-light);
    transition: width var(--transition-fast);
}

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

/* Theme Toggle Button */
.theme-toggle-btn {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
    padding: 0.45rem 0.85rem;
    border-radius: 30px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

#header.scrolled .theme-toggle-btn {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-heading);
}

.theme-toggle-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.theme-icon {
    font-size: 1rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--nav-text);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

#header.scrolled .mobile-menu-toggle span {
    background-color: var(--nav-text-scrolled);
}

/* --------------------------------------------------------------------------
   4. Hero Section
   -------------------------------------------------------------------------- */
.hero {
    min-height: 100vh;
    background: var(--bg-hero);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding-top: 5rem;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 30%, rgba(227, 149, 117, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    max-width: 850px;
    position: relative;
    z-index: 1;
}

/* Front Entry Logo & Brand Display */
.hero-brand-badge {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 1.5rem;
    gap: 0.75rem;
}

.hero-logo-mark {
    height: 110px;
    width: auto;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.2));
    animation: floatLogo 4s ease-in-out infinite;
}

@keyframes floatLogo {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.hero-company-name {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--soft-blue);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.hero .accent-text {
    color: var(--accent-light);
    display: inline-block;
}

.hero-tagline-sub {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.25rem;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
}

.cta-button {
    display: inline-block;
    background-color: var(--accent);
    color: #ffffff;
    padding: 1rem 2.25rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 15px rgba(110, 38, 42, 0.4);
}

.cta-button:hover {
    background-color: #8c3237;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(110, 38, 42, 0.5);
}

/* --------------------------------------------------------------------------
   5. About Us Section
   -------------------------------------------------------------------------- */
.about {
    background-color: var(--bg-main);
}

.about-text {
    max-width: 860px;
    margin: 0 auto;
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-main);
    text-align: center;
}

.about-text p {
    margin-bottom: 1.25rem;
}

.about-highlight {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
}

[data-theme="dark"] .about-highlight {
    color: var(--accent-light);
}

/* --------------------------------------------------------------------------
   6. Our Values Section
   -------------------------------------------------------------------------- */
.values {
    background-color: var(--bg-secondary);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.value-card {
    background-color: var(--bg-card);
    padding: 2.5rem 2rem;
    border-radius: 8px;
    border-top: 4px solid var(--primary);
    box-shadow: var(--card-shadow);
    transition: all var(--transition-normal);
}

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

.value-icon-badge {
    width: 48px;
    height: 48px;
    background-color: rgba(0, 148, 174, 0.12);
    color: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
}

.value-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 1rem;
}

.value-card p {
    color: var(--text-muted);
    font-size: 0.975rem;
    line-height: 1.65;
}

/* --------------------------------------------------------------------------
   7. Services Section
   -------------------------------------------------------------------------- */
.services {
    background-color: var(--bg-main);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.service-card {
    background-color: var(--bg-card);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: var(--accent);
    transition: background-color var(--transition-normal);
}

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

.service-icon-num {
    display: inline-block;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    background-color: var(--soft-blue);
    width: 36px;
    height: 36px;
    line-height: 36px;
    text-align: center;
    border-radius: 50%;
    margin-bottom: 1.25rem;
}

[data-theme="dark"] .service-icon-num {
    background-color: rgba(0, 148, 174, 0.25);
    color: var(--accent-light);
}

.service-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.975rem;
    line-height: 1.7;
    margin-bottom: 0.75rem;
}

/* --------------------------------------------------------------------------
   8. Team Section
   -------------------------------------------------------------------------- */
.team {
    background-color: var(--bg-secondary);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.team-member {
    background-color: var(--bg-card);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.member-avatar {
    width: 72px;
    height: 72px;
    background-color: var(--primary);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    border: 3px solid var(--soft-blue);
}

.team-member h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 0.25rem;
}

.team-member .role {
    color: var(--primary-light);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
}

.credentials {
    list-style: none;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: var(--bg-secondary);
    border-radius: 6px;
}

.credentials li {
    font-size: 0.875rem;
    color: var(--text-muted);
    padding: 0.25rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.credentials li::before {
    content: '•';
    color: var(--accent-light);
    font-weight: bold;
}

.bio-paragraph {
    color: var(--text-main);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.linkedin-link {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    font-size: 0.95rem;
    padding-top: 1rem;
    transition: color var(--transition-fast);
}

[data-theme="dark"] .linkedin-link {
    color: var(--accent-light);
}

.linkedin-link:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

/* --------------------------------------------------------------------------
   9. Contact Section
   -------------------------------------------------------------------------- */
.contact {
    background-color: var(--bg-main);
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.contact-card {
    background-color: var(--bg-card);
    padding: 1.75rem 0.75rem;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.contact-card:hover {
    transform: translateY(-3px);
}

.contact-card h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    margin-bottom: 0.6rem;
}

.contact-card a,
.contact-card p {
    color: var(--text-heading);
    font-weight: 600;
    text-decoration: none;
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    display: block;
}

.contact-card a:hover {
    color: var(--primary-light);
}

.contact-abn-badge {
    text-align: center;
    margin-top: 2.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   10. Footer
   -------------------------------------------------------------------------- */
footer {
    background-color: var(--primary-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 2.5rem 0;
    text-align: center;
    font-size: 0.9rem;
}

/* --------------------------------------------------------------------------
   11. Scroll Animations
   -------------------------------------------------------------------------- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* --------------------------------------------------------------------------
   12. Responsive Breakpoints
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .hero h1 { font-size: 2.75rem; }
    .services-grid, .team-grid { grid-template-columns: 1fr; }
    .values-grid { grid-template-columns: 1fr; }
    .contact-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background-color: var(--primary-dark);
        flex-direction: column;
        justify-content: center;
        transition: right var(--transition-normal);
        box-shadow: -5px 0 25px rgba(0, 0, 0, 0.3);
    }

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

    .nav-links a {
        color: #ffffff !important;
        font-size: 1.2rem;
    }

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

    .hero h1 { font-size: 2.25rem; }
    .hero-tagline-sub { font-size: 1.05rem; }
    .hero-logo-mark { height: 85px; }
    .contact-cards { grid-template-columns: 1fr; }
}

@media (max-width: 375px) {
    .container { padding: 0 1.25rem; }
    .hero h1 { font-size: 1.85rem; }
    .brand-text { font-size: 1.05rem; }
}