:root {
    --primary-color: #3b82f6;
    --secondary-color: #60a5fa;
    --accent-color: #f59e0b;
    --gradient-start: #3b82f6;
    --gradient-end: #60a5fa;
    --text-color: #e2e8f0;
    --text-muted: #94a3b8;
    --bg-dark: #0a0e1a;
    --bg-darker: #020617;
    --card-bg: #1e293b;
    --card-border: #334155;
    --success-color: #22c55e;
    --input-bg: #1e293b;
    --input-border: #334155;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding-top: 60px;
    background-color: var(--bg-dark);
    color: var(--text-color);
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background: var(--bg-darker);
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.hero {
    background: linear-gradient(135deg, rgba(59,130,246,0.2), rgba(96,165,250,0.2)), url('../images/tower-bg.jpg');
    background-size: cover;
    background-position: center;
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -50px;
    left: 0;
    width: 100%;
    height: 100px;
    background: var(--bg-dark);
    transform: skewY(-3deg);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    animation: fadeInUp 1s ease-out;
}

.cta-button {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
}

.cta-button.primary {
    background: linear-gradient(90deg, var(--accent-color), #fbbf24);
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    transform: scale(1);
    transition: transform 0.2s ease;
    color: var(--bg-darker);
    font-weight: bold;
}

.cta-button.primary:hover {
    transform: scale(1.05);
}

.points-grid, .benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem 5%;
}

.points-grid {
    position: relative;
    z-index: 2;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    margin-top: -100px;
    margin-bottom: 4rem;
}

.benefit-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--card-border);
}

.benefit-card:hover {
    transform: translateY(-10px);
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: grid;
    gap: 1rem;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    padding: 3rem;
    border: 1px solid var(--card-border);
}

.contact-form input,
.contact-form textarea {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-color);
    transition: border-color 0.3s ease;
}

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

section {
    padding: 4rem 1rem;
}

.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 2rem 5%;
    background: linear-gradient(135deg, rgba(59,130,246,0.2), rgba(96,165,250,0.2));
    color: white;
    border-radius: 20px;
    padding: 3rem;
    margin: 2rem 5%;
}

.testimonial {
    background: rgba(30, 41, 59, 0.8);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
}

.standards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.standard-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-left: 4px solid var(--success-color);
    border: 1px solid var(--card-border);
}

.team {
    background: var(--bg-darker);
    padding: 4rem 5%;
}

.team h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.team-member {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid var(--card-border);
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-10px);
}

.member-image {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.team-member h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.member-title {
    color: var(--accent-color);
    font-weight: bold;
    margin-bottom: 1rem;
}

.member-bio {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
}

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

h2, h3 {
    color: var(--secondary-color);
}

.hero-subtitle, p {
    color: var(--text-muted);
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 1px solid #64748b;
    color: #fff;
    text-decoration: none;
    border-radius: 0.25rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.tab-btn:hover {
    background: #2563eb;
    border-color: #2563eb;
}

.container {
    max-width: 1024px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Feature Cards */
.features {
    padding: 4rem 5%;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
    border: 1px solid var(--card-border);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card ul {
    list-style: none;
    padding: 0;
}

.feature-card li {
    padding: 0.5rem 0;
    color: var(--text-muted);
    position: relative;
    padding-left: 1.5rem;
}

.feature-card li::before {
    content: '✓';
    color: var(--success-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

footer {
    background: var(--bg-darker);
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--card-border);
}

footer p {
    color: var(--text-muted);
    margin: 0;
}