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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    color: #e0e0e0;
    min-height: 100vh;
    line-height: 1.6;
}

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

/* Navigation */
.navbar {
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid rgba(0, 255, 136, 0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo a {
    font-size: 1.5em;
    font-weight: 800;
    color: #00ff88;
    text-decoration: none;
    transition: all 0.3s;
}

.logo a:hover {
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.6);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-menu a {
    color: #e0e0e0;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    padding: 8px 15px;
    border-radius: 5px;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #00ff88;
    background: rgba(0, 255, 136, 0.1);
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    background: rgba(0, 0, 0, 0.98);
    min-width: 200px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.8);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 8px;
    top: 100%;
    left: 0;
    margin-top: 10px;
}

.dropdown-content a {
    display: block;
    padding: 12px 20px;
    border-radius: 0;
}

.dropdown:hover .dropdown-content {
    display: block;
}

/* Burger Menu */
.burger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.burger div {
    width: 25px;
    height: 3px;
    background: #00ff88;
    transition: all 0.3s;
    border-radius: 3px;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 100px 20px;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, rgba(0, 204, 111, 0.05) 100%);
    border-bottom: 1px solid rgba(0, 255, 136, 0.2);
}

.hero h1 {
    font-size: 4em;
    color: #00ff88;
    margin-bottom: 20px;
    font-weight: 900;
    text-shadow: 0 0 40px rgba(0, 255, 136, 0.4);
}

.hero-subtitle {
    font-size: 1.8em;
    color: #e0e0e0;
    margin-bottom: 15px;
    font-weight: 600;
}

.hero-description {
    font-size: 1.2em;
    color: #aaa;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    padding: 15px 35px;
    font-size: 1.1em;
    font-weight: 700;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    display: inline-block;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, #00ff88 0%, #00cc6f 100%);
    color: #0a0a0a;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.4);
}

.btn-secondary {
    background: transparent;
    border: 2px solid #00ff88;
    color: #00ff88;
}

.btn-secondary:hover {
    background: rgba(0, 255, 136, 0.1);
    transform: translateY(-3px);
}

.btn-large {
    padding: 20px 50px;
    font-size: 1.3em;
}

/* Features Section */
.features {
    padding: 80px 20px;
}

.section-title {
    text-align: center;
    font-size: 2.5em;
    color: #00ff88;
    margin-bottom: 60px;
    font-weight: 800;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 15px;
    padding: 35px;
    transition: all 0.3s;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: #00ff88;
    box-shadow: 0 15px 40px rgba(0, 255, 136, 0.2);
}

.feature-icon {
    font-size: 4em;
    margin-bottom: 20px;
}

.feature-card h3 {
    color: #00ff88;
    font-size: 1.5em;
    margin-bottom: 15px;
}

.feature-card p {
    color: #ccc;
    margin-bottom: 20px;
    line-height: 1.8;
}

.feature-link {
    color: #00ff88;
    text-decoration: none;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s;
}

.feature-link:hover {
    gap: 10px;
}

/* CTA Section */
.cta-section {
    padding: 80px 20px;
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, rgba(0, 204, 111, 0.05) 100%);
    border-top: 1px solid rgba(0, 255, 136, 0.2);
    border-bottom: 1px solid rgba(0, 255, 136, 0.2);
}

.cta-section h2 {
    font-size: 2.5em;
    color: #00ff88;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 1.2em;
    color: #ccc;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Why Section */
.why-section {
    padding: 80px 20px;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

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

.why-number {
    font-size: 3em;
    font-weight: 900;
    color: rgba(0, 255, 136, 0.2);
    margin-bottom: 15px;
}

.why-item h3 {
    color: #00ff88;
    font-size: 1.5em;
    margin-bottom: 15px;
}

.why-item p {
    color: #ccc;
    line-height: 1.8;
}

/* Forms */
.form-section {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 30px;
}

.form-section h2 {
    color: #00ff88;
    margin-bottom: 25px;
    font-size: 1.8em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

label {
    color: #00ff88;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.95em;
}

input, select {
    padding: 12px 15px;
    border: 2px solid rgba(0, 255, 136, 0.3);
    background: rgba(0, 0, 0, 0.3);
    color: #e0e0e0;
    border-radius: 8px;
    font-size: 1em;
    transition: all 0.3s;
}

input:focus, select:focus {
    outline: none;
    border-color: #00ff88;
    background: rgba(0, 0, 0, 0.5);
}

/* Results */
.results {
    display: none;
}

.results.show {
    display: block;
    animation: fadeIn 0.5s;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-card {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, rgba(0, 204, 111, 0.05) 100%);
    border: 2px solid rgba(0, 255, 136, 0.3);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 20px;
}

.result-card h3 {
    color: #00ff88;
    margin-bottom: 15px;
    font-size: 1.5em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.result-value {
    font-size: 2.5em;
    font-weight: 800;
    color: #00ff88;
    margin: 15px 0;
}

.result-interpretation {
    background: rgba(0, 0, 0, 0.3);
    padding: 15px;
    border-radius: 8px;
    margin-top: 15px;
    line-height: 1.6;
}

.gauge {
    width: 100%;
    height: 30px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 15px;
    overflow: hidden;
    margin: 15px 0;
}

.gauge-fill {
    height: 100%;
    background: linear-gradient(90deg, #00ff88 0%, #00cc6f 100%);
    border-radius: 15px;
    transition: width 1s ease;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 10px;
    color: #0a0a0a;
    font-weight: 700;
}

/* Info Boxes */
.info-box {
    background: rgba(0, 150, 255, 0.1);
    border-left: 4px solid #0096ff;
    padding: 15px;
    border-radius: 8px;
    margin: 15px 0;
}

.warning-box {
    background: rgba(255, 165, 0, 0.1);
    border-left: 4px solid #ffa500;
    padding: 15px;
    border-radius: 8px;
    margin: 15px 0;
}

.success-box {
    background: rgba(0, 255, 136, 0.1);
    border-left: 4px solid #00ff88;
    padding: 15px;
    border-radius: 8px;
    margin: 15px 0;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.95);
    border-top: 2px solid rgba(0, 255, 136, 0.2);
    padding: 50px 20px 20px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    color: #00ff88;
    margin-bottom: 15px;
}

.footer-section p {
    color: #aaa;
    line-height: 1.8;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: all 0.3s;
}

.footer-section ul li a:hover {
    color: #00ff88;
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 255, 136, 0.2);
    color: #666;
}

.disclaimer {
    margin-top: 10px;
    font-size: 0.9em;
}

/* Responsive */
@media (max-width: 768px) {
    .burger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 30px 0;
        gap: 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 15px 0;
    }

    .dropdown-content {
        position: static;
        display: none;
        box-shadow: none;
        border: none;
        margin-top: 10px;
    }

    .dropdown:hover .dropdown-content {
        display: block;
    }

    .hero h1 {
        font-size: 2.5em;
    }

    .hero-subtitle {
        font-size: 1.3em;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 2em;
    }

    .burger.active .line1 {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .burger.active .line2 {
        opacity: 0;
    }

    .burger.active .line3 {
        transform: rotate(45deg) translate(-5px, -6px);
    }
}

/* Page content */
.page-content {
    padding: 40px 20px;
    min-height: 60vh;
}

.page-header {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, rgba(0, 204, 111, 0.05) 100%);
    border-bottom: 1px solid rgba(0, 255, 136, 0.2);
    margin-bottom: 40px;
}

.page-header h1 {
    font-size: 3em;
    color: #00ff88;
    margin-bottom: 15px;
    font-weight: 900;
}

.page-header p {
    font-size: 1.2em;
    color: #ccc;
    max-width: 700px;
    margin: 0 auto;
}

.emoji {
    font-size: 1.2em;
}