/* ================================
   DESIGN TOKENS & CSS VARIABLES
   ================================ */
:root {
    /* Colors */
    --color-bg: #000000;
    --color-primary: #00FF41;
    --color-primary-dark: #00CC33;
    --color-secondary: #39FF14;
    --color-accent: #00FF41;
    --color-text: #FFFFFF;
    --color-text-secondary: #c4c0c0;
    --color-text-muted: #a5a4a4;
    --color-border: #333333;
    --color-surface: rgba(0, 0, 0, 0.85);
    --color-surface-hover: rgba(0, 0, 0, 0.9);

    /* Typography */
    --font-primary: 'VT323', 'Share Tech Mono', monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --font-size-4xl: 3rem;
    --font-size-5xl: 4rem;

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

    /* Border */
    --border-width: 1px;
    --border-radius: 4px;

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

    /* Z-index layers */
    --z-bg: -1;
    --z-base: 1;
    --z-header: 100;
    --z-cursor: 1000;
    --z-floating: 500;
}

/* ================================
   BASE RESET & GLOBAL STYLES
   ================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: none;
    letter-spacing: 1px;
}

/* Hide default cursor on desktop */
@media (min-width: 769px) {
    * {
        cursor: none !important;
    }
}

/* Show default cursor on mobile */
@media (max-width: 768px) {
    body {
        cursor: auto;
    }
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-secondary);
}

img {
    max-width: 100%;
    height: auto;
}

/* ================================
   CUSTOM CURSOR
   ================================ */
.cursor {
    width: 12px;
    height: 12px;
    background-color: var(--color-primary);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: var(--z-cursor);
    mix-blend-mode: difference;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease, width 0.2s ease, height 0.2s ease;
}

.cursor-follower {
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-primary);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: calc(var(--z-cursor) - 1);
    mix-blend-mode: difference;
    transform: translate(-50%, -50%);
    transition: transform 0.15s ease-out, width 0.3s ease, height 0.3s ease, opacity 0.3s ease;
    opacity: 0.5;
}

.cursor.hover {
    width: 50px;
    height: 50px;
    background-color: var(--color-text);
}

.cursor-follower.hover {
    width: 60px;
    height: 60px;
    opacity: 0.8;
}

/* Hide cursor on mobile */
@media (max-width: 768px) {

    .cursor,
    .cursor-follower {
        display: none;
    }
}

/* ================================
   VANTA.JS BACKGROUND
   ================================ */
#vanta-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-bg);
}

/* ================================
   CONTAINER & LAYOUT
   ================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ================================
   HEADER & NAVIGATION
   ================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: var(--border-width) solid var(--color-border);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 2px;
}

.logo-bracket {
    color: var(--color-text-secondary);
}

.logo-text {
    color: var(--color-text);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
    transition: color var(--transition-fast);
    padding: var(--spacing-sm) var(--spacing-md);
}

.nav-link:hover {
    color: var(--color-primary);
}

.nav-cta {
    background: transparent;
    border: var(--border-width) solid var(--color-primary);
    color: var(--color-primary) !important;
    border-radius: var(--border-radius);
}

.nav-cta:hover {
    background: var(--color-primary);
    color: var(--color-bg) !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: var(--spacing-sm);
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition-base);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.98);
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: var(--spacing-lg);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        border-bottom: var(--border-width) solid var(--color-border);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-link {
        font-size: var(--font-size-lg);
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
}

/* ================================
   ACCENT COLORS & CODE STYLING
   ================================ */
.accent {
    color: var(--color-primary);
}

.keyword {
    color: #FF79C6;
}

.function {
    color: #8BE9FD;
}

.string {
    color: #F1FA8C;
}

.comment {
    color: var(--color-text-muted);
}

/* ================================
   TERMINAL HEADER
   ================================ */
.terminal-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(20, 20, 20, 0.95);
    border: var(--border-width) solid var(--color-border);
    border-bottom: none;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dot.red {
    background: #FF5F56;
}

.terminal-dot.yellow {
    background: #FFBD2E;
}

.terminal-dot.green {
    background: #27C93F;
}

.terminal-title {
    margin-left: auto;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

/* ================================
   HERO SECTION
   ================================ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: calc(70px + var(--spacing-2xl)) 0 var(--spacing-2xl);
    position: relative;
}

.hero-content {
    max-width: 900px;
}

.hero-text {
    background: rgba(0, 0, 0, 0.9);
    border: var(--border-width) solid var(--color-border);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.hero-comment {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    animation: blink 1s infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.hero-title {
    font-size: var(--font-size-3xl);
    font-weight: normal;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.hero-closing {
    font-size: var(--font-size-3xl);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    border: var(--border-width) solid var(--color-border);
    padding: var(--spacing-xl);
    background: rgba(0, 0, 0, 0.85);
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--color-text-secondary);
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
    transform: rotate(45deg);
    margin: var(--spacing-sm) auto 0;
}

/* Hero Mobile */
@media (max-width: 768px) {
    .hero-title {
        font-size: var(--font-size-xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .hero-closing {
        font-size: var(--font-size-xl);
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .stat-value {
        font-size: var(--font-size-2xl);
    }

    .hero-cta {
        flex-direction: column;
    }

    .scroll-indicator {
        display: none;
    }
}

/* ================================
   BUTTONS
   ================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius);
    transition: all var(--transition-base);
    letter-spacing: 1px;
}

.btn-icon {
    color: var(--color-primary);
}

.btn-primary {
    background: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-primary);
    color: var(--color-bg);
}

.btn-primary:hover .btn-icon {
    color: var(--color-bg);
}

.btn-secondary {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ================================
   SECTION STYLES
   ================================ */
section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    margin-bottom: var(--spacing-2xl);
}

.section-comment {
    color: var(--color-primary);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: normal;
}

.section-closing {
    font-size: var(--font-size-2xl);
    margin-top: var(--spacing-2xl);
    color: var(--color-text);
}

/* ================================
   SERVICES SECTION
   ================================ */
.services {
    background: rgba(0, 0, 0, 0.75);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--color-surface);
    border: var(--border-width) solid var(--color-border);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    position: relative;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

.service-card:hover {
    border-color: var(--color-primary);
    background: var(--color-surface-hover);
    transform: translateY(-5px);
}

.service-card:hover::before {
    width: 100%;
}

.service-index {
    font-size: var(--font-size-3xl);
    color: var(--color-primary);
    opacity: 0.3;
    margin-bottom: var(--spacing-md);
}

.service-title {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-weight: normal;
}

.service-desc {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag {
    background: rgba(0, 0, 0, 0.7);
    border: var(--border-width) solid var(--color-border);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.services-cta {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

/* Services Mobile */
@media (max-width: 992px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

/* ================================
   ABOUT SECTION
   ================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.about-item {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    border: var(--border-width) solid var(--color-border);
    background: var(--color-surface);
}

.about-item h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    font-weight: normal;
}

.about-item p {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.about-terminal {
    background: rgba(0, 0, 0, 0.95);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.terminal-body {
    padding: var(--spacing-lg);
    font-size: var(--font-size-base);
    line-height: 2;
}

.prompt {
    color: var(--color-primary);
}

.cursor-blink {
    animation: cursor-blink 1s infinite;
}

@keyframes cursor-blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

/* About Mobile */
@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
}

/* ================================
   PROCESS SECTION
   ================================ */
.process {
    background: rgba(0, 0, 0, 0.75);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 1px;
    background: var(--color-border);
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    border: var(--border-width) solid var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    margin: 0 auto var(--spacing-lg);
    background: var(--color-bg);
    position: relative;
    z-index: 1;
}

.step-content h3 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-sm);
    font-weight: normal;
}

.step-content p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

/* Process Mobile */
@media (max-width: 992px) {
    .process-timeline {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-timeline::before {
        display: none;
    }
}

@media (max-width: 768px) {
    .process-timeline {
        grid-template-columns: 1fr;
    }
}

/* ================================
   CONTACT SECTION
   ================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-2xl);
}

.contact-item {
    margin-bottom: var(--spacing-lg);
}

.contact-label {
    display: block;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.contact-value {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
}

.contact-value:hover {
    color: var(--color-secondary);
}

.contact-form {
    background: var(--color-surface);
    border: var(--border-width) solid var(--color-border);
    padding: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.5);
    border: var(--border-width) solid var(--color-border);
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

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

/* Contact Mobile */
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* ================================
   FOOTER
   ================================ */
.footer {
    border-top: var(--border-width) solid var(--color-border);
    padding: var(--spacing-2xl) 0;
    background: rgba(0, 0, 0, 0.9);
}

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

.footer-tagline {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-sm);
}

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

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

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

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: var(--border-width) solid var(--color-border);
    text-align: center;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

/* Footer Mobile */
@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-xl);
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* ================================
   FLOATING CTA
   ================================ */
.floating-cta {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    background: var(--color-primary);
    color: var(--color-bg) !important;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 50px;
    font-size: var(--font-size-sm);
    z-index: var(--z-floating);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.4);
    transition: all var(--transition-base);
    display: none;
}

.floating-cta:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(0, 255, 65, 0.6);
}

/* Show floating CTA on mobile */
@media (max-width: 768px) {
    .floating-cta {
        display: block;
    }
}

/* ================================
   UTILITIES
   ================================ */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

/* Selection */
::selection {
    background: var(--color-primary);
    color: var(--color-bg);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

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