/* ========== GLOBAL STYLES ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --dark-bg: #0a0c12;
    --accent-green: #44ff88;
    --accent-green-dark: #2de050;
    --text-light: #e8e9eb;
    --text-muted: #a8aab3;
    --border-color: #1a1d2e;
    --card-bg: #121620;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-light);
    line-height: 1.6;
    letter-spacing: 0.3px;
}

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

a:hover {
    color: var(--accent-green-dark);
    text-decoration: underline;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== HEADER & NAVIGATION ========== */
.header {
    background: rgba(10, 12, 18, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(68, 255, 136, 0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    display: flex;
    align-items: center;
}

.logo-text {
    color: var(--accent-green);
    font-size: 20px;
}

.nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav a {
    color: var(--text-light);
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.nav a:hover {
    background-color: rgba(68, 255, 136, 0.1);
    color: var(--accent-green);
    text-decoration: none;
}

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

.burger-menu span {
    width: 25px;
    height: 3px;
    background-color: var(--accent-green);
    margin: 5px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.burger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

.burger-menu.active span:nth-child(2) {
    opacity: 0;
}

.burger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(10px, -10px);
}

/* ========== HERO SECTION ========== */
.hero {
    padding: 60px 20px;
    background: linear-gradient(135deg, rgba(68, 255, 136, 0.05) 0%, transparent 100%);
    border-bottom: 1px solid var(--border-color);
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}

.hero-content {
    flex: 1;
    min-width: 300px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 15px;
    color: var(--accent-green);
    text-shadow: 0 0 30px rgba(68, 255, 136, 0.3);
}

.hero-subtitle {
    font-size: 24px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.hero-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    width: 100%;
    border-radius: 10px;
    border: 2px solid var(--accent-green);
    box-shadow: 0 0 30px rgba(68, 255, 136, 0.2);
}

.hero-text {
    margin-top: 40px;
    padding: 30px;
    background: rgba(18, 22, 32, 0.8);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.intro-section h2 {
    color: var(--accent-green);
    font-size: 28px;
    margin-bottom: 20px;
}

.intro-section p {
    margin-bottom: 20px;
    color: var(--text-light);
    line-height: 1.8;
    font-size: 15px;
}

/* ========== SECTIONS ========== */
section {
    padding: 80px 20px;
    border-bottom: 1px solid var(--border-color);
}

section h2 {
    font-size: 40px;
    color: var(--accent-green);
    margin-bottom: 15px;
    text-align: center;
}

.section-intro {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 50px;
    font-size: 16px;
}

.section-image {
    width: 100%;
    max-width: 600px;
    margin: 40px auto;
    display: block;
    border-radius: 10px;
    border: 2px solid var(--accent-green);
    box-shadow: 0 0 30px rgba(68, 255, 136, 0.2);
}

/* ========== STEPS SECTION ========== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.step-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 25px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-green), transparent);
}

.step-card:hover {
    border-color: var(--accent-green);
    box-shadow: 0 0 20px rgba(68, 255, 136, 0.15);
    transform: translateY(-5px);
}

.step-number {
    background: var(--accent-green);
    color: var(--dark-bg);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 20px;
    margin-bottom: 15px;
}

.step-card h3 {
    font-size: 18px;
    color: var(--accent-green);
    margin-bottom: 12px;
}

.step-card p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.7;
}

/* ========== MISTAKES SECTION ========== */
.mistakes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.mistake-card {
    background: var(--card-bg);
    border: 2px solid #ff5555;
    border-radius: 8px;
    padding: 25px;
    transition: all 0.3s ease;
}

.mistake-card:hover {
    box-shadow: 0 0 20px rgba(255, 85, 85, 0.2);
    transform: translateY(-5px);
}

.mistake-card h3 {
    color: #ff5555;
    font-size: 18px;
    margin-bottom: 12px;
}

.mistake-card p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.7;
}

/* ========== FAQ SECTION ========== */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 25px;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--accent-green);
    box-shadow: 0 0 20px rgba(68, 255, 136, 0.15);
}

.faq-item h3 {
    color: var(--accent-green);
    font-size: 16px;
    margin-bottom: 15px;
}

.faq-item p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.8;
}

/* ========== TIPS SECTION ========== */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.tip-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 25px;
    text-align: center;
    transition: all 0.3s ease;
}

.tip-card:hover {
    border-color: var(--accent-green);
    box-shadow: 0 0 20px rgba(68, 255, 136, 0.15);
    transform: translateY(-5px);
}

.tip-icon {
    font-size: 40px;
    margin-bottom: 15px;
    display: block;
}

.tip-card h3 {
    color: var(--accent-green);
    font-size: 16px;
    margin-bottom: 12px;
}

.tip-card p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.7;
}

/* ========== CTA SECTION ========== */
.cta {
    background: linear-gradient(135deg, rgba(68, 255, 136, 0.1) 0%, transparent 100%);
    padding: 60px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.cta h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.cta p {
    color: var(--text-muted);
    font-size: 16px;
    margin-bottom: 30px;
}

.cta-button {
    background: var(--accent-green);
    color: var(--dark-bg);
    border: none;
    padding: 14px 40px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(68, 255, 136, 0.3);
}

.cta-button:hover {
    background: var(--accent-green-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(68, 255, 136, 0.4);
}

/* ========== FOOTER ========== */
.footer {
    background: rgba(10, 12, 18, 0.95);
    border-top: 1px solid var(--border-color);
    padding: 40px 20px 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h4 {
    color: var(--accent-green);
    margin-bottom: 15px;
    font-size: 16px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li a {
    color: var(--text-muted);
}

.footer-section ul li a:hover {
    color: var(--accent-green);
}

.footer-section p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.8;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    color: var(--text-muted);
    font-size: 13px;
}

.footer-bottom a {
    color: var(--text-muted);
}

/* ========== MOBILE RESPONSIVE ========== */
@media (max-width: 768px) {
    .burger-menu {
        display: flex;
    }

    .nav {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(10, 12, 18, 0.98);
        flex-direction: column;
        gap: 0;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
    }

    .nav.active {
        display: flex;
    }

    .nav a {
        padding: 12px 15px;
        border-radius: 0;
        display: block;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

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

    section h2 {
        font-size: 28px;
    }

    .steps-grid,
    .mistakes-grid,
    .faq-grid,
    .tips-grid {
        grid-template-columns: 1fr;
    }

    .step-card,
    .mistake-card,
    .faq-item,
    .tip-card {
        padding: 20px;
    }

    .hero-text {
        padding: 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .cta h2 {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: 12px 15px;
    }

    .logo-text {
        font-size: 16px;
    }

    .hero h1 {
        font-size: 24px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    section {
        padding: 40px 15px;
    }

    section h2 {
        font-size: 22px;
    }

    .section-intro {
        font-size: 14px;
    }

    .hero-text {
        padding: 15px;
    }

    .intro-section p {
        font-size: 13px;
    }

    .step-card p,
    .mistake-card p,
    .faq-item p,
    .tip-card p {
        font-size: 13px;
    }

    .tip-card h3,
    .step-card h3,
    .mistake-card h3,
    .faq-item h3 {
        font-size: 15px;
    }

    .cta h2 {
        font-size: 22px;
    }

    .cta-button {
        padding: 12px 30px;
        font-size: 14px;
    }
}

/* ========== ACCESSIBILITY ========== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* ========== PRINT STYLES ========== */
@media print {
    .header,
    .footer,
    .cta-button {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    section {
        page-break-inside: avoid;
    }
}