/* ===================================
   UXIRA - Dark Technology Website
   =================================== */

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

:root {
    /* Colors */
    --color-black: #000000;
    --color-dark: #0B0B0F;
    --color-darker: #050507;
    --color-accent: #4A90E2;
    --color-accent-muted: #6B7FBF;
    --color-violet: #7B68BE;

    /* Text Colors */
    --color-text-primary: rgba(255, 255, 255, 0.95);
    --color-text-secondary: rgba(255, 255, 255, 0.65);
    --color-text-muted: rgba(255, 255, 255, 0.4);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 8rem;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-black);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
}

/* Ambient Background Lights */
body::before,
body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    pointer-events: none;
    z-index: 0;
    animation: floatLight 20s ease-in-out infinite;
}

body::before {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(74, 144, 226, 0.4) 0%, transparent 70%);
    top: 20%;
    right: -10%;
    animation-delay: 0s;
}

body::after {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(123, 104, 190, 0.3) 0%, transparent 70%);
    bottom: 10%;
    left: -5%;
    animation-delay: 10s;
}

@keyframes floatLight {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(50px, -50px) scale(1.1);
    }
    50% {
        transform: translate(-30px, 50px) scale(0.9);
    }
    75% {
        transform: translate(30px, 30px) scale(1.05);
    }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

/* ===================================
   Navigation
   =================================== */

.nav {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    max-width: 1100px;
    width: calc(100% - 40px);
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-text-primary);
}

.logo-image {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 400;
    transition: color var(--transition-fast);
    letter-spacing: 0.02em;
}

.nav-links a:hover {
    color: var(--color-text-primary);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-glow {
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(
        circle,
        rgba(74, 144, 226, 0.15) 0%,
        rgba(74, 144, 226, 0.05) 30%,
        transparent 70%
    );
    filter: blur(80px);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-title .line {
    display: block;
    background: linear-gradient(
        135deg,
        var(--color-text-primary) 0%,
        rgba(255, 255, 255, 0.7) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    font-weight: 400;
    margin-bottom: var(--spacing-xl);
    letter-spacing: 0.01em;
}

/* Hero Visual - Lottie Animation */
.hero-visual {
    position: relative;
    width: 100%;
    max-width: 600px;
    height: 400px;
    margin: var(--spacing-xl) auto 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

#lottie-animation {
    width: 100%;
    height: 100%;
    opacity: 0.85;
    filter: brightness(0) invert(1);
}

/* ===================================
   Section Styles
   =================================== */

.section {
    position: relative;
    padding: var(--spacing-2xl) 0;
    z-index: 1;
}

.section-header {
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    padding: 0.25rem 0.75rem;
    border: 1px solid rgba(74, 144, 226, 0.3);
    border-radius: var(--radius-sm);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 600px;
}

/* ===================================
   Mission Section
   =================================== */

.mission {
    background: var(--color-darker);
    padding: 180px 0 var(--spacing-xxl) 0;
}

.mission-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.mission-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    opacity: 0.8;
    display: block;
    margin-bottom: var(--spacing-md);
}

.mission-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

.mission-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .mission-title {
        font-size: 1.875rem;
    }

    .mission-description {
        font-size: 1rem;
    }
}

/* ===================================
   Technology Section
   =================================== */

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.tech-card {
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    transition: all var(--transition-medium);
}

.tech-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(74, 144, 226, 0.3);
    transform: translateY(-4px);
}

.tech-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
    background: rgba(74, 144, 226, 0.1);
    border-radius: var(--radius-md);
}

.tech-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.01em;
}

.tech-description {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ===================================
   Systems Section
   =================================== */

.systems {
    background: linear-gradient(
        180deg,
        var(--color-black) 0%,
        var(--color-dark) 50%,
        var(--color-black) 100%
    );
}

.systems-grid {
    display: flex;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    justify-content: center;
}

.system-card {
    position: relative;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    padding: 0;
    overflow: hidden;
    transition: all var(--transition-medium);
    max-width: 420px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.system-card:hover {
    border-color: rgba(74, 144, 226, 0.4);
    background: rgba(255, 255, 255, 0.03);
}

.system-card:hover .card-glow {
    opacity: 1;
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle,
        rgba(74, 144, 226, 0.15) 0%,
        transparent 50%
    );
    opacity: 0;
    transition: opacity var(--transition-slow);
    pointer-events: none;
}

.system-content {
    position: relative;
    z-index: 1;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
}

.system-logo-wrapper {
    width: 70px;
    height: 70px;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.system-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.system-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.system-status {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.75rem;
    background: rgba(74, 144, 226, 0.15);
    color: var(--color-accent);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.system-version {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
}

.system-name {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.01em;
    color: var(--color-text-primary);
}

.system-subtitle {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    opacity: 0.8;
}

.system-description {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.app-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: nowrap;
    margin-top: auto;
    padding-top: var(--spacing-md);
}

.app-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
    white-space: nowrap;
}

.app-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
}

.app-button svg {
    width: 20px;
    height: 20px;
}

.system-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.25rem;
}

/* ===================================
   Architecture Section
   =================================== */

.architecture-diagram {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl) 0;
}

.arch-layer {
    position: relative;
    margin-bottom: var(--spacing-lg);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
}

.arch-layer:nth-child(1) { animation-delay: 0.1s; }
.arch-layer:nth-child(2) { animation-delay: 0.2s; }
.arch-layer:nth-child(3) { animation-delay: 0.3s; }
.arch-layer:nth-child(4) { animation-delay: 0.4s; }

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

.layer-line {
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(74, 144, 226, 0.3) 20%,
        rgba(74, 144, 226, 0.3) 80%,
        transparent 100%
    );
}

.layer-content {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-md);
}

.layer-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    min-width: 180px;
    letter-spacing: 0.02em;
}

.layer-nodes {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.node {
    width: 12px;
    height: 12px;
    background: rgba(74, 144, 226, 0.4);
    border: 2px solid rgba(74, 144, 226, 0.8);
    border-radius: 50%;
    box-shadow: 0 0 12px rgba(74, 144, 226, 0.4);
    animation: nodePulse 3s ease-in-out infinite;
}

.node:nth-child(2) { animation-delay: 0.3s; }
.node:nth-child(3) { animation-delay: 0.6s; }
.node:nth-child(4) { animation-delay: 0.9s; }

@keyframes nodePulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.2);
        opacity: 1;
    }
}

/* ===================================
   Ethics Section
   =================================== */

.ethics {
    background: var(--color-darker);
}

.ethics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.ethics-item {
    padding: var(--spacing-lg) 0;
}

.ethics-number {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    opacity: 0.6;
}

.ethics-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.01em;
}

.ethics-description {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ===================================
   CTA Section
   =================================== */

.cta {
    position: relative;
    padding: var(--spacing-2xl) 0;
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    bottom: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 1000px;
    height: 600px;
    background: radial-gradient(
        circle,
        rgba(74, 144, 226, 0.12) 0%,
        rgba(74, 144, 226, 0.04) 40%,
        transparent 70%
    );
    filter: blur(100px);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.cta-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    background: linear-gradient(
        135deg,
        rgba(74, 144, 226, 0.2) 0%,
        rgba(107, 127, 191, 0.2) 100%
    );
    border: 1px solid rgba(74, 144, 226, 0.4);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-medium);
    font-family: var(--font-family);
    letter-spacing: 0.02em;
}

.cta-button:hover {
    background: linear-gradient(
        135deg,
        rgba(74, 144, 226, 0.3) 0%,
        rgba(107, 127, 191, 0.3) 100%
    );
    border-color: rgba(74, 144, 226, 0.6);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(74, 144, 226, 0.2);
}

.cta-button svg {
    transition: transform var(--transition-fast);
}

.cta-button:hover svg {
    transform: translateX(4px);
}

/* ===================================
   About Content Section
   =================================== */

.about-content-section {
    background: var(--color-darker);
    padding: var(--spacing-xxl) 0;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.about-item {
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.about-item-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.01em;
    white-space: nowrap;
}

.about-item-text {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .about-item-title {
        font-size: 1.25rem;
    }

    .about-item-text {
        font-size: 1rem;
    }
}

/* ===================================
   Team Section
   =================================== */

.team-section {
    background: var(--color-background);
    padding-top: 140px;
    padding-bottom: var(--spacing-xxl);
    min-height: 100vh;
}

.team-section .section-header {
    text-align: center;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.team-section .section-title {
    font-size: 3rem;
    margin-bottom: 4rem;
    text-align: center;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.team-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
    text-align: center;
}

.team-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.team-image-wrapper {
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
}

.team-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(20%);
    transition: filter 0.3s ease;
}

.team-card:hover .team-image {
    filter: grayscale(0%);
}

.team-info {
    padding: var(--spacing-sm) 0;
}

.team-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.01em;
}

.team-title {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    font-weight: 500;
    opacity: 0.8;
    margin-bottom: var(--spacing-sm);
}

.team-linkedin {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: var(--spacing-xs);
    color: var(--color-text-secondary);
    transition: all 0.3s ease;
    opacity: 0.7;
}

.team-linkedin:hover {
    color: #0077b5;
    opacity: 1;
    transform: translateY(-2px);
}

.team-linkedin svg {
    width: 20px;
    height: 20px;
}

@media (max-width: 768px) {
    .team-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: var(--spacing-lg);
    }

    .team-name {
        font-size: 1.1rem;
    }

    .team-title {
        font-size: 0.85rem;
    }
}

/* ===================================
   Footer
   =================================== */

.footer {
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.footer-brand .logo {
    margin-bottom: var(--spacing-xs);
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-text-primary);
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-copyright {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-align: center;
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 768px) {
    .nav {
        width: calc(100% - 32px);
        padding: 0.875rem 1.5rem;
        border-radius: 12px;
    }

    .nav-links {
        gap: var(--spacing-md);
    }

    .nav-links a {
        font-size: 0.85rem;
    }

    .hero {
        min-height: 80vh;
    }

    .hero-visual {
        max-width: 100%;
        height: 300px;
    }

    #lottie-animation {
        width: 100%;
        height: 100%;
    }

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

    .tech-grid,
    .ethics-grid {
        grid-template-columns: 1fr;
    }

    .layer-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .layer-label {
        min-width: auto;
    }

    .footer-content {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .nav-links {
        display: none;
    }

    .section-label {
        font-size: 0.7rem;
    }

    .system-stats {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   Utility Classes
   =================================== */

.text-gradient {
    background: linear-gradient(
        135deg,
        var(--color-text-primary) 0%,
        var(--color-accent) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Scroll indicator (optional) */
.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(
        90deg,
        var(--color-accent) 0%,
        var(--color-violet) 100%
    );
    transform-origin: left;
    z-index: 9999;
}

/* ===================================
   Constellation Hero Section
   =================================== */

.constellation-hero {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    z-index: 1;
    padding-top: 80px;
}

#constellation-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.constellation-hero .hero-content {
    max-width: 900px;
    padding: 40px 20px;
    position: relative;
    z-index: 2;
}

.constellation-title {
    font-size: clamp(3rem, 8vw, 6.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.constellation-title .line {
    display: block;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.95) 0%,
        rgba(255, 255, 255, 0.7) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.constellation-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    font-weight: 400;
    margin-bottom: var(--spacing-xl);
    letter-spacing: 0.01em;
}

@media (max-width: 768px) {
    .constellation-hero {
        min-height: 80vh;
    }
}

/* ===================================
   Black Hole Section
   =================================== */

#blackhole-section {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    background: #000;
}

#blackhole-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
}

/* ===================================
   Contact Form Section
   =================================== */

.contact-section {
    background: var(--color-darker);
    padding: var(--spacing-xxl) 0;
}

.contact-form-wrapper {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-label {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-primary);
    letter-spacing: 0.01em;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    font-family: var(--font-family);
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus,
.form-textarea:focus {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(74, 144, 226, 0.5);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-muted);
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

.form-submit-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    background: linear-gradient(
        135deg,
        rgba(74, 144, 226, 0.2) 0%,
        rgba(107, 127, 191, 0.2) 100%
    );
    border: 1px solid rgba(74, 144, 226, 0.4);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-medium);
    font-family: var(--font-family);
    letter-spacing: 0.02em;
    align-self: flex-start;
}

.form-submit-button:hover {
    background: linear-gradient(
        135deg,
        rgba(74, 144, 226, 0.3) 0%,
        rgba(107, 127, 191, 0.3) 100%
    );
    border-color: rgba(74, 144, 226, 0.6);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(74, 144, 226, 0.2);
}

.form-submit-button svg {
    transition: transform var(--transition-fast);
}

.form-submit-button:hover svg {
    transform: translateX(4px);
}

.form-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
}

.success-message {
    background: rgba(74, 226, 144, 0.1);
    border: 1px solid rgba(74, 226, 144, 0.3);
    color: rgba(74, 226, 144, 1);
}

.success-message svg {
    color: rgba(74, 226, 144, 1);
}

.error-message {
    background: rgba(226, 74, 74, 0.1);
    border: 1px solid rgba(226, 74, 74, 0.3);
    color: rgba(226, 74, 74, 1);
}

.error-message svg {
    color: rgba(226, 74, 74, 1);
}

.form-message p {
    font-size: 1.125rem;
    font-weight: 500;
    margin: 0;
}

@media (max-width: 768px) {
    .contact-form-wrapper {
        padding: 0 var(--spacing-md);
    }

    .form-submit-button {
        width: 100%;
        justify-content: center;
    }
}