/* Fonts */
@font-face {
    font-family: 'Roboto';
    src: url('../fonts/Audiowide/Audiowide-Regular.ttf') format('truetype');
    font-weight: 100 900;
    font-display: swap;
}

@font-face {
    font-family: 'Prata';
    src: url('../fonts/Orbitron/Orbitron-VariableFont_wght.ttf') format('truetype');
    font-weight: 400;
    font-display: swap;
}

/* CSS Variables */
:root {
    --color-primary: #00ffe1;
    --color-background: #0a0a0a;
    --color-gradient: #6f00ff;
    --color-text: #ffffff;
    --color-accent: #ff006f;
    --color-dark: #1a1a1a;
    --color-gray: #333333;
    --color-light-gray: #666666;
    
    --font-primary: 'Roboto', sans-serif;
    --font-secondary: 'Prata', serif;
    
    --container-max-width: 1200px;
    --container-padding: 20px;
    
    --border-radius: 8px;
    --border-radius-large: 16px;
    
    --transition: all 0.3s ease;
    --transition-fast: all 0.2s ease;
    
    --shadow: 0 4px 20px rgba(0, 255, 225, 0.1);
    --shadow-hover: 0 8px 30px rgba(0, 255, 225, 0.2);
    
    --z-header: 1000;
    --z-modal: 2000;
    --z-tooltip: 3000;
}

/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--color-primary);
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    color: var(--color-primary);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    color: var(--color-text);
}

h4 {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    color: var(--color-text);
}

p {
    margin-bottom: 1rem;
    font-size: 1rem;
    line-height: 1.7;
}

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

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

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Header */
.header {
    position: sticky;
    top: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 255, 225, 0.1);
    z-index: var(--z-header);
    transition: var(--transition);
}

.header__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header__logo-img {
    width: 40px;
    height: 40px;
    border-radius: 20px;
    object-fit: contain;
}

.header__logo-text {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    text-shadow: 0 0 10px rgba(0, 255, 225, 0.5);
}

.header__nav {
    display: flex;
    align-items: center;
}

.header__nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.header__nav-link {
    font-weight: 500;
    font-size: 1rem;
    color: var(--color-text);
    transition: var(--transition-fast);
    position: relative;
}

.header__nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transition: var(--transition-fast);
}

.header__nav-link:hover::after,
.header__nav-link--active::after {
    width: 100%;
}

.header__nav-link--active {
    color: var(--color-primary);
}

/* Burger Menu */
.header__burger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.header__burger-line {
    width: 25px;
    height: 3px;
    background: var(--color-primary);
    transition: var(--transition-fast);
}

.header__burger--active .header__burger-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 5px);
}

.header__burger--active .header__burger-line:nth-child(2) {
    opacity: 0;
}

.header__burger--active .header__burger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Main */
.main {
    min-height: calc(100vh - 80px);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: var(--color-background);
    box-shadow: var(--shadow);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    color: var(--color-background);
}

.btn--secondary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn--secondary:hover {
    background: var(--color-primary);
    color: var(--color-background);
    transform: translateY(-2px);
}

.btn--outline {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-gray);
}

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

/* Footer */
.footer {
    background: var(--color-dark);
    border-top: 1px solid rgba(0, 255, 225, 0.1);
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer__brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer__logo {
    width: 60px;
    height: 60px;
    border-radius: 30px;
    object-fit: contain;
}

.footer__description {
    color: var(--color-light-gray);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer__title {
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.footer__contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 0.8rem;
}

.footer__contact-item i {
    color: var(--color-primary);
    width: 16px;
}

.footer__link {
    color: var(--color-light-gray);
    transition: var(--transition-fast);
}

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

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--color-gray);
    flex-wrap: wrap;
    gap: 1rem;
}

.footer__legal {
    display: flex;
    gap: 2rem;
}

.footer__legal-link {
    color: var(--color-light-gray);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

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

.footer__copyright {
    color: var(--color-light-gray);
    font-size: 0.9rem;
}

/* Sections */
section {
    padding: 4rem 0;
}

section:nth-child(even) {
    background: rgba(26, 26, 26, 0.5);
}

/* Utilities */
.text-center {
    text-align: center;
}

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

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

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --container-padding: 16px;
    }
    
    .header__nav {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 2rem;
        transform: translateX(-100%);
        transition: var(--transition);
    }
    
    .header__nav--active {
        transform: translateX(0);
    }
    
    .header__nav-list {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .header__nav-link {
        font-size: 1.2rem;
    }
    
    .header__burger {
        display: flex;
    }
    
    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer__legal {
        justify-content: center;
    }
    
    section {
        padding: 2rem 0;
    }
}

@media (max-width: 480px) {
    .header__container {
        height: 70px;
    }
    
    .header__logo-text {
        font-size: 1.3rem;
    }
    
    .header__nav {
        top: 70px;
        height: calc(100vh - 70px);
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 255, 225, 0.3);
    }
    50% {
        box-shadow: 0 0 30px rgba(0, 255, 225, 0.6);
    }
}

/* Scroll animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Loading states */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Focus styles for accessibility */
button:focus,
a:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .header,
    .footer,
    .btn {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}