/* ==========================================================================
   TASER HOLDINGS — Master Stylesheet
   Dark intelligence aesthetic. Every pixel deliberate.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Custom Properties
   -------------------------------------------------------------------------- */
:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-elevated: rgba(255, 255, 255, 0.02);
    --accent: #00a8ff;
    --accent-dim: rgba(0, 168, 255, 0.15);
    --accent-glow: rgba(0, 168, 255, 0.4);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --text-tertiary: rgba(255, 255, 255, 0.4);
    --text-ghost: rgba(255, 255, 255, 0.3);
    --border-subtle: rgba(255, 255, 255, 0.1);
    --border-faint: rgba(255, 255, 255, 0.05);
    --data-green: #00ff88;

    /* Typography */
    --font-primary: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;

    /* Timing */
    --transition-fast: 0.2s;
    --transition-base: 0.4s;
    --transition-slow: 0.8s;
    --transition-crawl: 1.2s;

    /* Easing */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

    /* Spacing */
    --section-padding: 100px;
    --content-max-width: 900px;
}

/* --------------------------------------------------------------------------
   2. Reset + Base Styles
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
    font-weight: 300;
}

a {
    cursor: pointer;
}

::selection {
    background: var(--accent-dim);
    color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   3. Grid Overlay
   -------------------------------------------------------------------------- */
.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    opacity: 0.03;
    background:
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 59px,
            rgba(255, 255, 255, 0.5) 59px,
            rgba(255, 255, 255, 0.5) 60px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 59px,
            rgba(255, 255, 255, 0.5) 59px,
            rgba(255, 255, 255, 0.5) 60px
        );
}

/* --------------------------------------------------------------------------
   4. Custom Cursor
   -------------------------------------------------------------------------- */
.cursor-glow {
    display: none;
}

/* --------------------------------------------------------------------------
   5. Page Loader
   -------------------------------------------------------------------------- */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeOut 0.6s ease-in-out 1.5s forwards;
}

.loader-logo {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.4em;
    text-shadow:
        0 0 20px var(--accent-glow),
        0 0 60px rgba(0, 168, 255, 0.15);
    animation: pulse 1.5s ease-in-out infinite;
}

/* --------------------------------------------------------------------------
   6. Scroll Progress Bar
   -------------------------------------------------------------------------- */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    width: 0%;
    background: var(--accent);
    z-index: 9998;
    transition: width 0.1s linear;
    box-shadow: 0 0 8px var(--accent-glow);
}

/* --------------------------------------------------------------------------
   7. Navigation
   -------------------------------------------------------------------------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 3rem;
    z-index: 1000;
    background: transparent;
    transition:
        background var(--transition-base) var(--ease-out-quart),
        backdrop-filter var(--transition-base) var(--ease-out-quart),
        padding var(--transition-base) var(--ease-out-quart);
}

.nav.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1rem 3rem;
}

.nav-logo {
    color: var(--accent);
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 0.3em;
    text-decoration: none;
    text-shadow: 0 0 20px var(--accent-glow);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 4px;
    transition: color var(--transition-fast);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width var(--transition-base) var(--ease-out-expo);
}

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

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

/* --------------------------------------------------------------------------
   8. Hero Section
   -------------------------------------------------------------------------- */
.hero {
    height: 100vh;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

.hero-title {
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 700;
    letter-spacing: 0.3em;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    text-indent: 0.3em; /* Optical centering with letter-spacing */
}

.hero-tagline {
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    font-weight: 300;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    min-height: 2.5rem;
    border-right: 2px solid var(--accent);
    display: block;
    padding-right: 0.1em;
    animation: blink-cursor 0.8s step-end infinite;
}

.hero-tagline.done-typing {
    border-right-color: transparent;
    animation: none;
}

.cta-button {
    display: inline-block;
    position: relative;
    padding: 1rem 3rem;
    border: 1px solid var(--accent);
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-size: 0.8rem;
    font-family: var(--font-primary);
    font-weight: 400;
    overflow: hidden;
    transition:
        color var(--transition-base) var(--ease-out-quart),
        text-shadow var(--transition-base);
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--accent-dim);
    transition: width var(--transition-base) var(--ease-out-expo);
    z-index: -1;
}

.cta-button:hover::before {
    width: 100%;
}

.cta-button:hover {
    text-shadow: 0 0 15px var(--accent-glow);
}

/* CTA border trace animation on hover */
.cta-button::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--accent-glow) 50%,
        transparent 100%
    );
    transition: left 0.6s var(--ease-out-expo);
    opacity: 0;
    z-index: -1;
}

.cta-button:hover::after {
    left: 100%;
    opacity: 1;
}

/* --------------------------------------------------------------------------
   9. Section Shared Styles
   -------------------------------------------------------------------------- */
.section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--section-padding) 2rem;
    position: relative;
}

.section-content {
    max-width: var(--content-max-width);
    margin: 0 auto;
    width: 100%;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
    text-indent: 0.3em;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -0.75rem;
    left: 0;
    width: 50px;
    height: 1px;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent-glow);
}

/* --------------------------------------------------------------------------
   10. Section Dividers
   -------------------------------------------------------------------------- */
.section-divider {
    width: 0;
    height: 1px;
    background: var(--accent);
    margin: 0 auto 3rem;
    transition: width 1s var(--ease-in-out);
    box-shadow: 0 0 10px var(--accent-glow);
    opacity: 0.6;
}

.section-divider.visible {
    width: 80%;
}

/* --------------------------------------------------------------------------
   11. Reveal Animation
   -------------------------------------------------------------------------- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition:
        opacity var(--transition-slow) var(--ease-out-quart),
        transform var(--transition-slow) var(--ease-out-quart);
}

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

/* --------------------------------------------------------------------------
   12. About Section
   -------------------------------------------------------------------------- */
.about-text {
    font-size: 1.2rem;
    line-height: 1.8;
    font-weight: 300;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    max-width: 700px;
}

.about-text:last-child {
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   13. Capabilities Grid
   -------------------------------------------------------------------------- */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.capability-card {
    position: relative;
    overflow: hidden;
    padding: 2.5rem;
    border: 1px solid var(--border-subtle);
    background: var(--bg-elevated);
    transition:
        border-color var(--transition-base) var(--ease-out-quart),
        background var(--transition-base);
    cursor: default;
    min-height: 180px;
}

.capability-card:hover {
    border-color: rgba(0, 168, 255, 0.3);
    background: rgba(0, 168, 255, 0.03);
}

/* Card Background Code Effect */
.card-bg-code {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    opacity: 0.03;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.card-bg-code::before {
    content: '01001 SIGINT HUMINT OSINT MASINT GEOINT 10110 ELINT COMINT 01101 TECHINT FININT 11010 MEDINT CYBINT 00110 IMINT ACINT 10011 DOMEX CELLEX 01010 SOCMINT 11001 PROTINT MARKINT 10100 0xAF 0xD3 0xE7 0x1B 0x9C 0x4A 0x72 SIGINT HUMINT OSINT MASINT GEOINT 10110 ELINT COMINT 01101 TECHINT FININT 11010 MEDINT CYBINT 00110 IMINT ACINT 10011 DOMEX CELLEX 01010 SOCMINT 11001 PROTINT MARKINT 10100 01001 SIGINT HUMINT OSINT MASINT GEOINT 10110';
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--accent);
    white-space: pre-wrap;
    word-break: break-all;
    line-height: 1.5;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    animation: scrollCode 20s linear infinite;
}

.capability-card:hover .card-bg-code {
    opacity: 0.08;
}

/* Card Scanline */
.card-scanline {
    position: absolute;
    width: 100%;
    height: 2px;
    background: var(--accent);
    top: -2px;
    left: 0;
    opacity: 0;
    transition: opacity var(--transition-fast);
    box-shadow: 0 0 8px var(--accent-glow);
    z-index: 2;
}

.capability-card:hover .card-scanline {
    opacity: 0.8;
    animation: scanline 1.5s ease-in-out;
}

/* Card Title */
.card-title {
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    position: relative;
    z-index: 1;
}

/* Glitch effect on hover */
.capability-card:hover .card-title {
    animation: glitch 0.3s linear;
}

/* Card Description on Hover (from data-description) */
.capability-card::after {
    content: attr(data-description);
    position: absolute;
    bottom: 1rem;
    left: 2.5rem;
    right: 2.5rem;
    font-size: 0.85rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
    opacity: 0;
    transform: translateY(10px);
    transition:
        opacity var(--transition-base) var(--ease-out-quart),
        transform var(--transition-base) var(--ease-out-quart);
    z-index: 1;
}

.capability-card:hover::after {
    opacity: 1;
    transform: translateY(0);
}

/* --------------------------------------------------------------------------
   14. Contact Form
   -------------------------------------------------------------------------- */
.contact-form {
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    position: relative;
    margin-bottom: 2rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 300;
    padding: 0.75rem 0;
    outline: none;
    transition:
        border-color var(--transition-base) var(--ease-out-quart),
        box-shadow var(--transition-base) var(--ease-out-quart);
    resize: none;
}

.form-group textarea {
    line-height: 1.6;
}

.form-group input:focus,
.form-group textarea:focus {
    border-bottom-color: var(--accent);
    box-shadow: 0 1px 0 var(--accent);
}

.form-group label {
    position: absolute;
    top: 0.75rem;
    left: 0;
    color: var(--text-tertiary);
    font-size: 1rem;
    font-weight: 300;
    pointer-events: none;
    transition:
        transform var(--transition-base) var(--ease-out-expo),
        color var(--transition-base),
        font-size var(--transition-base);
    transform-origin: left top;
}

.form-group input:focus ~ label,
.form-group input:valid ~ label {
    transform: translateY(-1.5rem) scale(0.85);
    color: var(--accent);
}

.form-group textarea:focus ~ label,
.form-group textarea:valid ~ label {
    transform: translateY(-1.5rem) scale(0.85);
    color: var(--accent);
}

.submit-button {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--text-primary);
    padding: 1rem 3rem;
    font-family: var(--font-primary);
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    cursor: none;
    position: relative;
    overflow: hidden;
    transition:
        color var(--transition-base) var(--ease-out-quart),
        background var(--transition-base) var(--ease-out-quart);
}

.submit-button span {
    position: relative;
    z-index: 1;
}

.submit-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--accent);
    transition: width var(--transition-base) var(--ease-out-expo);
    z-index: 0;
}

.submit-button:hover::before {
    width: 100%;
}

.submit-button:hover {
    color: var(--bg-primary);
}

.clearance-text {
    text-align: center;
    margin-top: 3rem;
    font-size: 0.85rem;
    color: var(--text-ghost);
    letter-spacing: 0.2em;
    font-style: italic;
}

/* --------------------------------------------------------------------------
   15. Footer
   -------------------------------------------------------------------------- */
.footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--border-faint);
    color: var(--text-ghost);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
}

/* --------------------------------------------------------------------------
   16. Keyframe Animations
   -------------------------------------------------------------------------- */
@keyframes scrollCode {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-50%);
    }
}

@keyframes scanline {
    0% {
        top: -2px;
    }
    100% {
        top: calc(100% + 2px);
    }
}

@keyframes glitch {
    0% {
        clip-path: inset(0 0 0 0);
        transform: translateX(0);
    }
    10% {
        clip-path: inset(40% 0 20% 0);
        transform: translateX(-3px);
    }
    20% {
        clip-path: inset(10% 0 60% 0);
        transform: translateX(3px);
    }
    30% {
        clip-path: inset(70% 0 5% 0);
        transform: translateX(-2px);
    }
    40% {
        clip-path: inset(20% 0 40% 0);
        transform: translateX(2px);
    }
    50% {
        clip-path: inset(50% 0 10% 0);
        transform: translateX(-1px);
    }
    60% {
        clip-path: inset(5% 0 70% 0);
        transform: translateX(1px);
    }
    70% {
        clip-path: inset(35% 0 30% 0);
        transform: translateX(-2px);
    }
    80% {
        clip-path: inset(60% 0 15% 0);
        transform: translateX(1px);
    }
    90% {
        clip-path: inset(15% 0 50% 0);
        transform: translateX(-1px);
    }
    100% {
        clip-path: inset(0 0 0 0);
        transform: translateX(0);
    }
}

@keyframes fadeOut {
    0% {
        opacity: 1;
        visibility: visible;
    }
    100% {
        opacity: 0;
        visibility: hidden;
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        text-shadow:
            0 0 20px var(--accent-glow),
            0 0 60px rgba(0, 168, 255, 0.15);
    }
    50% {
        opacity: 0.7;
        text-shadow:
            0 0 30px var(--accent-glow),
            0 0 80px rgba(0, 168, 255, 0.25);
    }
}

@keyframes blink-cursor {
    0%, 100% {
        border-right-color: var(--accent);
    }
    50% {
        border-right-color: transparent;
    }
}

/* --------------------------------------------------------------------------
   17. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .nav {
        padding: 1rem 1.5rem;
    }

    .nav.scrolled {
        padding: 0.75rem 1.5rem;
    }

    .nav-links {
        gap: 1.5rem;
    }

    .nav-links a {
        font-size: 0.7rem;
    }

    .hero-title {
        letter-spacing: 0.15em;
        text-indent: 0.15em;
    }

    .hero-tagline {
        font-size: 1rem;
    }

    .section {
        padding: var(--section-padding) 1.5rem;
    }

    .section-title {
        font-size: 1.2rem;
        letter-spacing: 0.2em;
        text-indent: 0.2em;
    }

    .capabilities-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .capability-card {
        padding: 2rem;
        min-height: 150px;
    }

    .capability-card::after {
        left: 2rem;
        right: 2rem;
    }

    .about-text {
        font-size: 1.05rem;
    }

    .cta-button {
        padding: 0.85rem 2.5rem;
    }

    .contact-form {
        padding: 0 0.5rem;
    }
}

@media (max-width: 480px) {
    .nav-links {
        gap: 1rem;
    }

    .nav-links a {
        font-size: 0.65rem;
        letter-spacing: 0.1em;
    }

    .hero-title {
        letter-spacing: 0.1em;
        text-indent: 0.1em;
    }

    .capability-card {
        padding: 1.5rem;
    }

    .capability-card::after {
        left: 1.5rem;
        right: 1.5rem;
        font-size: 0.8rem;
    }
}

/* Disable custom cursor on touch devices */
@media (hover: none) and (pointer: coarse) {
    body,
    a,
    button,
    input,
    textarea {
        cursor: auto;
    }

    .cursor-glow {
        display: none;
    }
}