/* ==========================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ========================================== */
:root {
    /* Color Palette - Deep Tech Inspired */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0a0b8;
    --color-accent-purple: #8b5cf6;
    --color-accent-blue: #3b82f6;
    --color-accent-cyan: #06b6d4;
    --color-accent-pink: #ec4899;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-glow: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 50%, #06b6d4 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Effects */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.3);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ==========================================
   BASE STYLES
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

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

/* ==========================================
   LAYOUT
   ========================================== */
.container {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    overflow: hidden;
}

.content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 800px;
    width: 100%;
    animation: fadeInUp 1s ease-out;
}

/* ==========================================
   ANIMATED BACKGROUND
   ========================================== */
.bg-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%,
            rgba(139, 92, 246, 0.1) 0%,
            rgba(59, 130, 246, 0.05) 25%,
            transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

.bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--gradient-primary);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--gradient-accent);
    bottom: -250px;
    left: -250px;
    animation-delay: -5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

/* ==========================================
   LOGO
   ========================================== */
.logo-container {
    margin-bottom: var(--spacing-2xl);
    animation: fadeInDown 1s ease-out;
}

.logo {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    letter-spacing: 0.05em;
    background: var(--gradient-glow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    animation: gradientShift 3s ease infinite;
    background-size: 200% 200%;
}

.logo-underline {
    width: 120px;
    height: 4px;
    background: var(--gradient-glow);
    margin: 0 auto;
    border-radius: 2px;
    animation: expand 1.5s ease-out;
}

/* ==========================================
   COMING SOON CARD
   ========================================== */
.coming-soon-card {
    background: rgba(18, 18, 26, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.coming-soon-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
    border-color: rgba(139, 92, 246, 0.3);
}

.tagline {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, #ffffff 0%, #a0a0b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.product-subtitle {
    font-size: clamp(0.8125rem, 1.5vw, 0.9375rem);
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent-purple);
    margin-bottom: var(--spacing-md);
}

/* ==========================================
   THESIS SECTION
   ========================================== */
.thesis-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: var(--spacing-2xl) auto;
}

.thesis-block {
    background: rgba(18, 18, 26, 0.6);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    text-align: left;
}

.thesis-block:hover {
    transform: translateY(-3px);
    border-color: rgba(139, 92, 246, 0.25);
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.1);
}

.thesis-title {
    font-family: var(--font-display);
    font-size: 1.125rem;
    color: var(--color-accent-purple);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.thesis-desc {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ==========================================
   TEAM SECTION
   ========================================== */
.team-section {
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

.section-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
}

.team-grid {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.team-member {
    background: rgba(18, 18, 26, 0.6);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    text-align: center;
    min-width: 250px;
}

.team-member:hover {
    transform: translateY(-3px);
    border-color: rgba(139, 92, 246, 0.25);
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.1);
}

.member-name {
    font-family: var(--font-display);
    font-size: 1.125rem;
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.member-role {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.traction-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: 100px;
    color: #4ade80;
    font-size: 0.8125rem;
    font-weight: 500;
}

/* ==========================================
   FOCUS AREAS
   ========================================== */
.focus-areas {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.focus-card {
    background: rgba(18, 18, 26, 0.6);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: var(--spacing-lg) var(--spacing-md);
    transition: all var(--transition-base);
}

.focus-card:hover {
    transform: translateY(-3px);
    border-color: rgba(139, 92, 246, 0.25);
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.1);
}

.focus-icon {
    color: var(--color-accent-purple);
    margin-bottom: var(--spacing-sm);
    opacity: 0.85;
}

.focus-title {
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.focus-desc {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* ==========================================
   RECOGNITION BADGE
   ========================================== */
.recognition-badge {
    margin-bottom: var(--spacing-2xl);
}

.recognition-text {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    padding: var(--spacing-xs) var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.02);
}

/* ==========================================
   STATUS BADGE
   ========================================== */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 100px;
    padding: var(--spacing-xs) var(--spacing-md);
    transition: all var(--transition-base);
}

.status-badge:hover {
    background: rgba(139, 92, 246, 0.2);
    transform: scale(1.05);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent-purple);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: 0 0 10px var(--color-accent-purple);
}

.status-text {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-primary);
}

/* ==========================================
   SOCIAL LINKS
   ========================================== */
.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
    text-decoration: none;
}

.social-link:hover {
    background: rgba(139, 92, 246, 0.2);
    border-color: var(--color-accent-purple);
    color: var(--color-text-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* ==========================================
   SOCIAL LINKS - COMING SOON
   ========================================== */
.social-section {
    margin-bottom: var(--spacing-xl);
}

.social-pending-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 100px;
    padding: var(--spacing-xs) var(--spacing-md);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-base);
}

.pulse-dot-small {
    width: 6px;
    height: 6px;
    background: var(--color-accent-blue);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: 0 0 8px var(--color-accent-blue);
}

.pending-text {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-primary);
}

.social-links-disabled {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.social-link-disabled {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    color: var(--color-text-secondary);
    opacity: 0.4;
    cursor: not-allowed;
    transition: all var(--transition-base);
}

.social-link-disabled svg {
    width: 20px;
    height: 20px;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact-section {
    margin-bottom: var(--spacing-xl);
}

.contact-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 12px;
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: all var(--transition-base);
}

.contact-email:hover {
    background: rgba(139, 92, 246, 0.2);
    border-color: var(--color-accent-purple);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.contact-email svg {
    width: 20px;
    height: 20px;
    opacity: 0.8;
}

/* ==========================================
   WAITLIST SECTION
   ========================================== */
.waitlist-section {
    background: rgba(18, 18, 26, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.waitlist-section:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    border-color: rgba(139, 92, 246, 0.3);
}

.waitlist-title {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.waitlist-description {
    font-size: clamp(0.875rem, 1.5vw, 1rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.waitlist-form {
    margin-bottom: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: row;
    gap: 8px;
    max-width: 550px;
    margin: 0 auto;
    align-items: stretch;
}

#email-input {
    flex: 1;
    padding: 0 1.25rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-base);
    outline: none;
    height: 52px;
    line-height: 1.5;
}

#email-input::placeholder {
    color: var(--color-text-secondary);
}

#email-input:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--color-accent-purple);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

#email-input:invalid:not(:placeholder-shown) {
    border-color: rgba(236, 72, 153, 0.5);
}

.submit-btn {
    padding: 0 2rem;
    background: var(--gradient-glow);
    border: none;
    border-radius: 12px;
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #a78bfa 0%, #60a5fa 50%, #22d3ee 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.submit-btn:hover::before {
    opacity: 1;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(139, 92, 246, 0.4);
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-text,
.btn-loader {
    position: relative;
    z-index: 1;
}

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    font-size: 0.875rem;
    text-align: center;
    animation: fadeInUp 0.3s ease-out;
}

.form-message.success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #4ade80;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

.privacy-note {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-sm);
}

/* ==========================================
   SHARE SECTION
   ========================================== */
.share-section {
    margin-bottom: var(--spacing-xl);
}

.share-text {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.share-buttons {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
}

.share-btn:hover {
    background: rgba(139, 92, 246, 0.2);
    border-color: var(--color-accent-purple);
    color: var(--color-text-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.share-btn svg {
    width: 20px;
    height: 20px;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

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

@keyframes pulse {

    0%,
    100% {
        opacity: 0.3;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.05);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    33% {
        transform: translate(30px, -30px) rotate(120deg);
    }

    66% {
        transform: translate(-20px, 20px) rotate(240deg);
    }
}

@keyframes gradientShift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

@keyframes expand {
    from {
        width: 0;
    }

    to {
        width: 120px;
    }
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-sm);
    }

    .coming-soon-card {
        padding: var(--spacing-lg);
    }

    .waitlist-section {
        padding: var(--spacing-lg);
    }

    .form-group {
        flex-direction: column;
    }

    .submit-btn {
        width: 100%;
    }

    .focus-areas {
        grid-template-columns: 1fr;
        max-width: 320px;
    }

    .thesis-section {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: var(--spacing-lg);
    }

    .team-grid {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .orb-1,
    .orb-2,
    .orb-3 {
        opacity: 0.2;
    }
}

@media (max-width: 480px) {
    .social-links {
        gap: var(--spacing-sm);
    }

    .social-link {
        width: 44px;
        height: 44px;
    }

    .logo-underline {
        width: 80px;
    }

    .waitlist-section {
        padding: var(--spacing-md);
    }
}

/* ==========================================
   ACCESSIBILITY
   ========================================== */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-accent-purple);
    outline-offset: 4px;
}