*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* CSS Custom Properties */
:root {
    /* Colors - Dark Theme Only */
    --background: 0 0% 3.9%;
    --foreground: 0 0% 98%;
    --card: 0 0% 0%;
    --card-foreground: 0 0% 98%;
    --popover: 0 0% 3.9%;
    --popover-foreground: 0 0% 98%;
    --primary: 194 35% 27%;
    --primary-foreground: 0 0% 98%;
    --secondary: 240 3.7% 15.9%;
    --secondary-foreground: 0 0% 98%;
    --muted: 240 3.7% 15.9%;
    --muted-foreground: 240 5% 64.9%;
    --accent: 240 3.7% 15.9%;
    --accent-foreground: 0 0% 98%;
    --destructive: 0 62.8% 30.6%;
    --destructive-foreground: 0 85.7% 97.3%;
    --border: 240 3.7% 15.9%;
    --input: 240 3.7% 15.9%;
    --ring: 194 35% 27%;
    --radius: 0.5rem;

    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    /* Animation */
    --duration-150: 150ms;
    --duration-200: 200ms;
    --duration-300: 300ms;
    --duration-500: 500ms;
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-index */
    --z-header: 50;
    --z-dropdown: 1000;
    --z-overlay: 1010;
    --z-modal: 1020;
}

/* Base HTML Elements */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: hsl(var(--foreground));
    background: hsl(var(--background));
    background-image: url('../img/background.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: -1;
    pointer-events: none;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.025em;
    color: hsl(var(--foreground));
}

h1 {
    font-size: var(--font-size-5xl);
}

h2 {
    font-size: var(--font-size-4xl);
}

h3 {
    font-size: var(--font-size-3xl);
}

h4 {
    font-size: var(--font-size-2xl);
}

h5 {
    font-size: var(--font-size-xl);
}

h6 {
    font-size: var(--font-size-lg);
}

p {
    color: hsl(var(--muted-foreground));
    line-height: 1.7;
}

a {
    color: hsl(var(--primary));
    text-decoration: none;
    transition: color var(--duration-200) var(--ease-in-out);
}

a:hover {
    color: hsl(var(--primary) / 0.8);
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Button Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-sm);
    font-weight: 500;
    line-height: 1;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--duration-200) var(--ease-in-out);
    text-decoration: none;
    min-height: 40px;
    white-space: nowrap;
}

.btn:focus-visible {
    outline: 2px solid hsl(var(--ring));
    outline-offset: 2px;
}

.btn-primary {
    background: transparent;
    color: hsl(var(--primary));
    border: 1px solid hsl(var(--primary));
}

.btn-primary:hover {
    background: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: hsl(var(--foreground));
    border: 1px solid hsl(var(--border));
}

.btn-outline:hover {
    background: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
    border-color: hsl(var(--primary));
    transform: translateY(-1px);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--duration-300) var(--ease-in-out);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.header.scrolled {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(32px) saturate(200%);
    -webkit-backdrop-filter: blur(32px) saturate(200%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) var(--spacing-6);
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.nav-logo .logo-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    text-decoration: none;
    transition: opacity var(--duration-200) var(--ease-in-out);
}

.nav-logo .logo-link:hover {
    opacity: 0.8;
}

.nav-logo .logo-image {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.nav-logo .logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: hsl(var(--primary));
    letter-spacing: -0.025em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-6);
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: hsl(var(--muted-foreground));
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius);
    transition: all var(--duration-200) var(--ease-in-out);
    position: relative;
    text-decoration: none;
}

.nav-link:hover {
    color: hsl(var(--foreground));
    background: hsl(var(--accent) / 0.5);
}

.nav-link.active {
    color: hsl(var(--primary));
    background: hsl(var(--primary) / 0.1);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-2);
    border-radius: var(--radius);
    transition: background var(--duration-200) var(--ease-in-out);
}

.mobile-menu-toggle:hover {
    background: hsl(var(--accent));
}

.hamburger-line {
    width: 100%;
    height: 2px;
    background: hsl(var(--foreground));
    margin: 2px 0;
    transition: all var(--duration-300) var(--ease-in-out);
    border-radius: 1px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-20) var(--spacing-6);
    text-align: center;
}

.hero-container {
    max-width: 800px;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-2) var(--spacing-4);
    border: 1px solid hsl(var(--border));
    border-radius: 9999px;
    margin-bottom: var(--spacing-6);
}

.badge-text {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: hsl(var(--primary));
}

.hero-title {
    font-size: clamp(var(--font-size-4xl), 5vw, var(--font-size-6xl));
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-6);
    color: hsl(var(--foreground));
}

.hero-description {
    font-size: var(--font-size-xl);
    color: hsl(var(--muted-foreground));
    line-height: 1.6;
    margin-bottom: var(--spacing-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-16);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-4);
    color: hsl(var(--foreground));
}

.section-subtitle {
    font-size: var(--font-size-xl);
    color: hsl(var(--muted-foreground));
    line-height: 1.6;
}

/* About/Features Section */
.about {
    padding: var(--spacing-24) var(--spacing-6);
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-6);
    margin-top: var(--spacing-16);
}

.feature-card {
    padding: var(--spacing-6);
    text-align: center;
    transition: all var(--duration-300) var(--ease-in-out);
    position: relative;
    overflow: hidden;
}


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

.feature-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-4);
    color: hsl(var(--primary));
    position: relative;
    z-index: 1;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-3);
    color: hsl(var(--foreground));
    position: relative;
    z-index: 1;
}

.feature-description {
    font-size: var(--font-size-base);
    color: hsl(var(--muted-foreground));
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* Team Section */
.team {
    padding: var(--spacing-24) var(--spacing-6);
    background: transparent;
}

.team-container {
    max-width: 1200px;
    margin: 0 auto;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-8);
    margin-top: var(--spacing-16);
}

.team-card {
    background: transparent;
    border: none;
    padding: var(--spacing-6);
    transition: all var(--duration-300) var(--ease-in-out);
    position: relative;
    text-align: center;
}

.team-card:hover {
    transform: translateY(-4px);
}

.team-card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-6);
    position: relative;
    z-index: 1;
}

.member-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid hsl(var(--primary));
    flex-shrink: 0;
    position: relative;
    transition: all var(--duration-300) var(--ease-in-out);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.member-avatar::before {
    content: '';
    position: absolute;
    inset: -3px;
    background: linear-gradient(45deg, hsl(var(--primary)), hsl(var(--primary) / 0.5), hsl(var(--primary)));
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: opacity var(--duration-300) var(--ease-in-out);
}

.team-card:hover .member-avatar {
    transform: scale(1.1);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.team-card:hover .member-avatar::before {
    opacity: 1;
}

.avatar-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-300) var(--ease-in-out);
}

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

.member-info {
    text-align: center;
}

.member-name {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: hsl(var(--foreground));
    margin-bottom: var(--spacing-2);
    letter-spacing: -0.025em;
    transition: color var(--duration-300) var(--ease-in-out);
}

.team-card:hover .member-name {
    color: hsl(var(--primary));
}

.member-role {
    font-size: var(--font-size-base);
    color: hsl(var(--muted-foreground));
    margin: 0;
    font-weight: 500;
    opacity: 0.8;
    transition: opacity var(--duration-300) var(--ease-in-out);
}

.team-card:hover .member-role {
    opacity: 1;
}

.team-card-footer {
    position: relative;
    z-index: 1;
}

.social-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-6);
    background: transparent;
    color: hsl(var(--foreground));
    border: 1px solid hsl(var(--border));
    border-radius: calc(var(--radius) * 1.5);
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: all var(--duration-300) var(--ease-in-out);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.social-button::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--primary) / 0.8));
    opacity: 0;
    transition: opacity var(--duration-300) var(--ease-in-out);
}

.social-button span,
.social-button svg {
    position: relative;
    z-index: 1;
}

.social-button:hover {
    transform: translateY(-2px);
    border-color: hsl(var(--primary));
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.social-button:hover::before {
    opacity: 1;
}

.social-button:hover {
    color: white;
}

/* Contact Section */
.contact {
    padding: var(--spacing-24) var(--spacing-6);
}

.contact-container {
    max-width: 800px;
    margin: 0 auto;
}

.contact-content {
    text-align: center;
    margin-top: var(--spacing-16);
}

.contact-text {
    font-size: var(--font-size-lg);
    color: hsl(var(--muted-foreground));
    margin-bottom: var(--spacing-8);
    line-height: 1.6;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.social-links .social-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    background: transparent;
    color: hsl(var(--foreground));
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    font-weight: 500;
    transition: all var(--duration-200) var(--ease-in-out);
    text-decoration: none;
}

.social-links .social-link:hover {
    background: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
    transform: translateY(-1px);
}

.social-links .social-link svg {
    width: 16px;
    height: 16px;
}

/* Email Link Styles */
.contact-text a.email-link {
    color: hsl(var(--primary));
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
    position: relative;
}

.contact-text a.email-link:hover {
    color: hsl(var(--primary) / 0.8);
    text-decoration: underline;
}

/* Footer */
.footer {
    background: hsl(var(--card));
    border-top: 1px solid hsl(var(--border));
    padding: var(--spacing-16) var(--spacing-6) var(--spacing-8);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-8);
    flex-wrap: wrap;
    gap: var(--spacing-6);
}

.footer-info {
    flex: 1;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.footer-logo .logo-image {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

.footer-logo .logo-text {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: hsl(var(--primary));
    letter-spacing: -0.025em;
}

.footer-description {
    color: hsl(var(--muted-foreground));
    margin-top: var(--spacing-2);
    font-size: var(--font-size-sm);
}

.footer-social {
    display: flex;
    gap: var(--spacing-3);
}

.footer-social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    color: hsl(var(--foreground));
    transition: all var(--duration-200) var(--ease-in-out);
    text-decoration: none;
}

.footer-social-link:hover {
    background: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
    border-color: hsl(var(--primary));
    transform: translateY(-1px);
}

.footer-social-link svg {
    width: 16px;
    height: 16px;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-8);
    border-top: 1px solid hsl(var(--border));
}

.footer-copyright {
    color: hsl(var(--muted-foreground));
    font-size: var(--font-size-sm);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.9);
        backdrop-filter: blur(32px) saturate(200%);
        -webkit-backdrop-filter: blur(32px) saturate(200%);
        border-top: 1px solid rgba(255, 255, 255, 0.15);
        box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.2);
        flex-direction: column;
        padding: var(--spacing-6) 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--duration-300) var(--ease-in-out);
        z-index: calc(var(--z-header) - 1);
        gap: 0;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-item {
        margin: 0;
        text-align: center;
    }

    .nav-link {
        display: block;
        padding: var(--spacing-4);
        font-size: var(--font-size-lg);
        border-radius: var(--radius);
        text-align: center;
        margin: 0 var(--spacing-4);
    }

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

    .hero {
        padding: var(--spacing-16) var(--spacing-4);
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }

    .team-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }

    .social-links {
        flex-direction: column;
        align-items: center;
    }

    .social-links .social-link {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .container {
        padding: 0 var(--spacing-4);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

    .team-card-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-3);
    }

    .member-info {
        text-align: center;
    }
}