/* 
   Cruze-Tech Main Stylesheet - Variables & Base Styles
   Version: 2.0 - Modular
*/

/* ========== CSS Variables ========== */
:root {
    /* Primary Colors */
    --primary-color: #00bfff;
    --secondary-color: #121212;
    --accent-color: #00bfff;
    
    /* Neutral Colors */
    --dark-color: #121212;
    --light-color: #e0e0e0;
    --gray-color: #333;
    --text-color: #9e9e9e;
    
    /* Overlay Colors */
    --overlay-dark: rgba(18, 18, 18, 0.9);
    --overlay-light: rgba(0, 191, 255, 0.1);
    
    /* Typography */
    --heading-font: 'Montserrat', sans-serif;
    --body-font: 'Roboto', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    color: var(--light-color);
    line-height: 1.6;
    background: var(--dark-color);
    overflow-x: hidden;
    position: relative;
}

/* ========== Typography ========== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    color: var(--light-color);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 15px;
}

p {
    margin-bottom: 15px;
    font-weight: 300;
    color: var(--text-color);
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

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

ul {
    list-style: none;
}

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

/* ========== Layout ========== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
    position: relative;
    z-index: 1;
}

.section {
    padding: 100px 0;
    position: relative;
}

.dark-section {
    background-color: rgba(0, 0, 0, 0.3);
}

/* ========== Section Headers ========== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-family: var(--heading-font);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--primary-color);
    margin-bottom: 15px;
    position: relative;
}

.section-tag::before,
.section-tag::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 20px;
    height: 1px;
    background-color: var(--primary-color);
}

.section-tag::before {
    left: -30px;
}

.section-tag::after {
    right: -30px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--light-color);
    position: relative;
}

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

.divider {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    margin: 0 auto 30px;
}

/* ========== Buttons ========== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    font-family: var(--heading-font);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.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: 0.5s;
}

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

.btn-primary {
    background-color: rgba(0, 191, 255, 0.2);
    color: var(--primary-color);
    border: 1px solid rgba(0, 191, 255, 0.3);
    box-shadow: 0 0 20px rgba(0, 191, 255, 0.1);
}

.btn-primary:hover {
    background-color: rgba(0, 191, 255, 0.3);
    color: var(--light-color);
}

.btn-secondary {
    background-color: transparent;
    color: var(--light-color);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.btn-link {
    display: inline-flex;
    align-items: center;
    font-family: var(--heading-font);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-color);
    position: relative;
}

.btn-link i {
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.btn-link:hover i {
    transform: translateX(5px);
}

.btn-link::after {
    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    height: 1px;
    bottom: -3px;
    left: 0;
    background-color: var(--primary-color);
    transform-origin: bottom right;
    transition: transform 0.3s ease-out;
}

.btn-link:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

/* ========== Background Elements ========== */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(18, 18, 18, 0.97), rgba(18, 18, 18, 0.97)),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Cg fill-rule='evenodd'%3E%3Cg fill='%232a2a2a' fill-opacity='0.4'%3E%3Cpath opacity='.5' d='M96 95h4v1h-4v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9zm-1 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-9-10h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm9-10v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-9-10h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm9-10v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-9-10h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm9-10v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-9-10h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9z'/%3E%3Cpath d='M6 5V0H5v5H0v1h5v94h1V6h94V5H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    z-index: -2;
}

.circuit-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
    opacity: 0.15;
}

.circuit-line {
    position: absolute;
    background: linear-gradient(90deg, transparent, rgba(0, 191, 255, 0.8), transparent);
    height: 1px;
}

.line-1 {
    top: 15%;
    left: -20%;
    width: 140%;
    animation: slide 20s linear infinite;
}

.line-2 {
    top: 45%;
    left: -20%;
    width: 140%;
    animation: slide 15s linear infinite;
    animation-delay: 5s;
}

.line-3 {
    top: 75%;
    left: -20%;
    width: 140%;
    animation: slide 25s linear infinite;
    animation-delay: 10s;
}

.data-blocks {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
    pointer-events: none;
}

.data-block {
    position: absolute;
    background: rgba(0, 191, 255, 0.05);
    border: 1px solid rgba(0, 191, 255, 0.1);
    border-radius: 2px;
}

.block-1 {
    top: 10%;
    left: 5%;
    width: 60px;
    height: 60px;
    animation: pulse 4s infinite;
}

.block-2 {
    top: 30%;
    right: 8%;
    width: 80px;
    height: 80px;
    animation: pulse 6s infinite;
    animation-delay: 1s;
}

.block-3 {
    bottom: 20%;
    left: 10%;
    width: 40px;
    height: 40px;
    animation: pulse 5s infinite;
    animation-delay: 2s;
}

.block-4 {
    bottom: 30%;
    right: 15%;
    width: 50px;
    height: 50px;
    animation: pulse 7s infinite;
    animation-delay: 3s;
}

/* ========== Back to Top Button ========== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 40px;
    height: 40px;
    background-color: rgba(0, 191, 255, 0.1);
    border: 1px solid rgba(0, 191, 255, 0.2);
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    transform: translateY(20px);
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--primary-color);
    color: var(--dark-color);
}