/* ============================================
   DEFEND Digital Life — Under Development
   Design System & Styles
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    /* Core Colors */
    --bg-primary: #020a18;
    --bg-secondary: #061325;
    --bg-tertiary: #0a1e3d;
    
    /* Accent Colors */
    --cyan-primary: #00d4ff;
    --cyan-glow: #00b8e6;
    --cyan-dark: #0088aa;
    --cyan-muted: rgba(0, 212, 255, 0.15);
    --cyan-ultra-muted: rgba(0, 212, 255, 0.06);
    
    --blue-primary: #1a6bff;
    --blue-glow: #3d8bff;
    --blue-deep: #0a3d8f;
    
    --teal-accent: #00ffc8;
    --teal-muted: rgba(0, 255, 200, 0.12);

    /* Text Colors */
    --text-primary: #e8f4fd;
    --text-secondary: #8ab4d4;
    --text-muted: #4a7a9b;
    --text-dim: #2a5070;

    /* Functional */
    --border-subtle: rgba(0, 212, 255, 0.12);
    --border-medium: rgba(0, 212, 255, 0.25);
    --glass-bg: rgba(6, 19, 37, 0.7);
    --glass-border: rgba(0, 212, 255, 0.1);

    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2.5rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* --- Animated Background Canvas --- */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* --- Scanline Overlay --- */
.scanline-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 212, 255, 0.008) 2px,
        rgba(0, 212, 255, 0.008) 4px
    );
}

/* --- Grid Overlay --- */
.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    background-image:
        linear-gradient(var(--border-subtle) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px);
    background-size: 80px 80px;
    opacity: 0.15;
    mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 70%);
}

/* --- Page Wrapper --- */
.page-wrapper {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    padding: var(--space-md) var(--space-lg);
}

/* --- Top Bar --- */
.top-bar {
    width: 100%;
    max-width: 1100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: var(--space-xl);
    animation: fadeSlideDown 0.8s ease-out;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--teal-accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: 0 0 8px var(--teal-accent), 0 0 20px rgba(0, 255, 200, 0.3);
}

.status-text {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--teal-accent);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.cipher-text {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.lock-icon {
    font-size: 0.8rem;
    opacity: 0.6;
}

/* --- Hero Section --- */
.hero-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 900px;
    width: 100%;
    padding: var(--space-lg) 0;
}

/* --- Logo --- */
.logo-container {
    position: relative;
    margin-bottom: var(--space-lg);
    animation: fadeScaleIn 1s ease-out 0.2s both;
}

.logo-img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    filter: drop-shadow(0 0 30px rgba(0, 212, 255, 0.4)) drop-shadow(0 0 60px rgba(0, 212, 255, 0.15));
    transition: var(--transition-base);
}

.logo-container:hover .logo-img {
    filter: drop-shadow(0 0 40px rgba(0, 212, 255, 0.6)) drop-shadow(0 0 80px rgba(0, 212, 255, 0.25));
    transform: scale(1.05);
}

.logo-container::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--cyan-primary), transparent);
    border-radius: 2px;
}

/* --- Brand Name --- */
.brand-name {
    text-align: center;
    margin-bottom: var(--space-md);
    animation: fadeSlideUp 1s ease-out 0.4s both;
}

.brand-name h1 {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.1em;
    line-height: 1;
}

.brand-defend {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    font-weight: 800;
    letter-spacing: 0.15em;
    background: linear-gradient(
        135deg,
        #ffffff 0%,
        var(--cyan-primary) 40%,
        var(--blue-glow) 60%,
        #ffffff 100%
    );
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s ease-in-out infinite;
    text-shadow: none;
}

.brand-digital {
    font-family: var(--font-display);
    font-size: clamp(1rem, 3vw, 1.6rem);
    font-weight: 500;
    letter-spacing: 0.35em;
    color: var(--text-secondary);
    text-transform: uppercase;
}

/* --- Tagline --- */
.tagline {
    font-family: var(--font-body);
    font-size: clamp(0.85rem, 2vw, 1.05rem);
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--space-xl);
    font-weight: 300;
    letter-spacing: 0.04em;
    animation: fadeSlideUp 1s ease-out 0.6s both;
    position: relative;
    padding: 0 var(--space-lg);
}

.tagline::before,
.tagline::after {
    content: '—';
    color: var(--cyan-dark);
    margin: 0 0.5em;
    opacity: 0.5;
}

/* --- Pillars --- */
.pillars {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
    animation: fadeSlideUp 1s ease-out 0.8s both;
}

.pillar {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: 8px;
    background: var(--cyan-ultra-muted);
    border: 1px solid var(--border-subtle);
    transition: var(--transition-base);
    cursor: default;
}

.pillar:hover {
    background: var(--cyan-muted);
    border-color: var(--border-medium);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.1);
}

.pillar-icon {
    width: 20px;
    height: 20px;
    color: var(--cyan-primary);
    flex-shrink: 0;
}

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

.pillar span {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.03em;
    white-space: nowrap;
}

.pillar-divider {
    color: var(--cyan-dark);
    font-size: 0.4rem;
    opacity: 0.4;
}

/* --- Development Badge --- */
.dev-badge {
    width: 100%;
    max-width: 480px;
    margin-bottom: var(--space-xl);
    animation: fadeSlideUp 1s ease-out 1s both;
}

.dev-badge-inner {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: linear-gradient(135deg, var(--glass-bg), rgba(0, 212, 255, 0.04));
    border: 1px solid var(--border-medium);
    border-radius: 12px 12px 4px 4px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.dev-icon {
    width: 32px;
    height: 32px;
    color: var(--cyan-primary);
    flex-shrink: 0;
    animation: float 3s ease-in-out infinite;
}

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

.dev-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.dev-label {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--cyan-primary);
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.dev-sub {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* Progress Bar */
.progress-bar {
    position: relative;
    width: 100%;
    height: 3px;
    background: var(--bg-tertiary);
    border-radius: 0 0 12px 12px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--cyan-dark), var(--cyan-primary), var(--teal-accent));
    border-radius: 0 0 12px 12px;
    transition: width 2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.progress-glow {
    position: absolute;
    top: -2px;
    right: 0;
    width: 40px;
    height: 7px;
    background: radial-gradient(ellipse, var(--cyan-primary), transparent);
    border-radius: 50%;
    animation: progressPulse 2s ease-in-out infinite;
    opacity: 0.8;
}

/* --- Terminal Box --- */
.terminal-box {
    width: 100%;
    max-width: 520px;
    margin-bottom: var(--space-xl);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    background: rgba(2, 10, 24, 0.9);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 212, 255, 0.05);
    animation: fadeSlideUp 1s ease-out 1.2s both;
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: rgba(10, 30, 61, 0.6);
    border-bottom: 1px solid var(--border-subtle);
}

.terminal-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.terminal-body {
    padding: var(--space-md) var(--space-lg);
    min-height: 140px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    line-height: 1.8;
}

.terminal-line {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: 2px;
    opacity: 0;
    animation: terminalFadeIn 0.3s ease-out forwards;
}

.terminal-line .prompt {
    color: var(--cyan-primary);
    font-weight: 600;
    flex-shrink: 0;
}

.terminal-line .command {
    color: var(--text-secondary);
}

.terminal-line .output {
    color: var(--text-muted);
    padding-left: 1.2em;
}

.terminal-line .success {
    color: var(--teal-accent);
}

.terminal-line .info {
    color: var(--cyan-primary);
}

.terminal-line .warning {
    color: #febc2e;
}

.cursor-blink {
    display: inline-block;
    width: 7px;
    height: 14px;
    background: var(--cyan-primary);
    margin-left: 2px;
    animation: blink 1s step-end infinite;
    vertical-align: middle;
}

/* --- Notify Section --- */
.notify-section {
    text-align: center;
    margin-bottom: var(--space-2xl);
    animation: fadeSlideUp 1s ease-out 1.4s both;
}

.notify-heading {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    letter-spacing: 0.02em;
}

.notify-form {
    display: flex;
    gap: var(--space-sm);
    max-width: 440px;
    margin: 0 auto var(--space-md);
}

.input-wrapper {
    flex: 1;
    position: relative;
}

.input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--text-muted);
    pointer-events: none;
    transition: var(--transition-base);
}

#email-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.85rem;
    transition: var(--transition-base);
    outline: none;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

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

#email-input:focus {
    border-color: var(--cyan-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1), 0 0 20px rgba(0, 212, 255, 0.08);
}

#email-input:focus ~ .input-icon,
.input-wrapper:focus-within .input-icon {
    color: var(--cyan-primary);
}

.notify-btn {
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--cyan-dark), var(--blue-primary));
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.notify-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s ease;
}

.notify-btn:hover::before {
    left: 100%;
}

.notify-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.25);
    border-color: var(--cyan-primary);
}

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

.btn-icon {
    transition: transform var(--transition-fast);
}

.notify-btn:hover .btn-icon {
    transform: translateX(3px);
}

.notify-privacy {
    font-size: 0.7rem;
    color: var(--text-dim);
    font-weight: 400;
    letter-spacing: 0.03em;
}

/* --- Success State --- */
.notify-form.success .input-wrapper,
.notify-form.success .notify-btn {
    display: none;
}

.notify-form.success::after {
    content: '✓  You\'re on the list! We\'ll keep you posted.';
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--teal-accent);
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem;
    background: var(--teal-muted);
    border: 1px solid rgba(0, 255, 200, 0.25);
    border-radius: 8px;
    animation: fadeScaleIn 0.4s ease-out;
}

/* --- Social Links --- */
.social-links {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    animation: fadeSlideUp 1s ease-out 1.6s both;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--cyan-ultra-muted);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    transition: var(--transition-base);
    text-decoration: none;
}

.social-link svg {
    width: 18px;
    height: 18px;
}

.social-link:hover {
    background: var(--cyan-muted);
    border-color: var(--border-medium);
    color: var(--cyan-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 212, 255, 0.15);
}

/* --- Footer --- */
.footer {
    text-align: center;
    padding-bottom: var(--space-xl);
    animation: fadeSlideUp 1s ease-out 1.8s both;
}

.footer-line {
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan-dark), transparent);
    margin: 0 auto var(--space-md);
}

.footer-text {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.footer-sub {
    font-size: 0.65rem;
    color: var(--text-dim);
    letter-spacing: 0.04em;
}

/* ============================================
   Animations
   ============================================ */

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.85); }
}

@keyframes shimmer {
    0% { background-position: 200% 0%; }
    50% { background-position: 0% 100%; }
    100% { background-position: 200% 0%; }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@keyframes fadeSlideDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeSlideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeScaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes terminalFadeIn {
    from { opacity: 0; transform: translateX(-5px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes progressPulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

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

@media (max-width: 768px) {
    .page-wrapper {
        padding: var(--space-sm) var(--space-md);
    }

    .top-bar {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }

    .header-right {
        display: none;
    }

    .logo-img {
        width: 90px;
        height: 90px;
    }

    .pillars {
        gap: var(--space-sm);
    }

    .pillar {
        padding: var(--space-xs) var(--space-sm);
    }

    .pillar span {
        font-size: 0.7rem;
    }

    .pillar-divider {
        display: none;
    }

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

    .notify-btn {
        justify-content: center;
    }

    .terminal-box {
        max-width: 100%;
    }

    .terminal-body {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.65rem;
        min-height: 120px;
    }

    .dev-badge-inner {
        padding: var(--space-sm) var(--space-md);
    }

    .dev-label {
        font-size: 0.7rem;
        letter-spacing: 0.15em;
    }
}

@media (max-width: 480px) {
    .brand-defend {
        letter-spacing: 0.08em;
    }

    .brand-digital {
        letter-spacing: 0.2em;
    }

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

    .pillar-divider {
        display: none;
    }

    .tagline::before,
    .tagline::after {
        display: none;
    }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .scanline-overlay,
    .grid-overlay {
        display: none;
    }
}

/* --- Selection --- */
::selection {
    background: rgba(0, 212, 255, 0.3);
    color: var(--text-primary);
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--cyan-dark);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--cyan-primary);
}