/* Variables */
:root {
    --primary-color: #0d47a1; /* Deep blue */
    --primary-light: #1976d2;
    --accent-color: #00bcd4; /* Cyan accent */
    --bg-dark: #0a0e17; /* Very dark blue for dark elements */
    --text-main: #333333;
    --text-light: #666666;
    --bg-light: #f5f7fa;
    --white: #ffffff;
    --font-main: 'Outfit', sans-serif;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-shadow: 0 8px 32px 0 rgba(13, 71, 161, 0.1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.hidden {
    display: none !important;
}

/* Typography */
h1, h2, h3 {
    line-height: 1.2;
    font-weight: 600;
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -1px;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--bg-dark);
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.header.scrolled {
    box-shadow: var(--glass-shadow);
    padding: 0.5rem 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
}

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

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-list a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    transition: color 0.3s;
}

.nav-list a:hover {
    color: var(--primary-color);
}

/* Buttons */
.btn-primary, .btn-primary-small, .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(13, 71, 161, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(13, 71, 161, 0.4);
    color: var(--white);
}

.btn-primary-small {
    background: var(--primary-color);
    color: var(--white);
    padding: 0.6rem 1.5rem;
    font-size: 0.95rem;
}

.btn-primary-small:hover {
    background: var(--primary-light);
    color: var(--white);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    border: 2px solid var(--primary-light);
}

.btn-secondary:hover {
    background: var(--bg-light);
}

.w-100 {
    width: 100%;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px; /* Offset header */
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(10, 14, 23, 0.9) 0%, rgba(10, 14, 23, 0.4) 100%);
}

.hero-content {
    color: var(--white);
    max-width: 700px;
}

.hero-content h1 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.hero-content .subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

/* Benefits Section */
.benefits {
    padding: 6rem 0;
    background-color: var(--bg-light);
}

.section-header {
    margin-bottom: 4rem;
}

.section-header p {
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.benefit-card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

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

.icon-box {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    background: var(--bg-light);
    width: 80px;
    height: 80px;
    line-height: 80px;
    border-radius: 50%;
}

.benefit-card p {
    color: var(--text-light);
}

/* Features */
.features {
    padding: 6rem 0;
}

.features-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.feature-list {
    list-style: none;
    margin-top: 2rem;
}

.feature-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.feature-list li strong {
    color: var(--bg-dark);
    display: block;
    margin-bottom: 0.2rem;
}

.image-glass-container {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(13, 71, 161, 0.15);
}

.image-glass-container img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s;
}

.image-glass-container:hover img {
    transform: scale(1.05);
}

/* FAQ */
.faq {
    padding: 6rem 0;
    background-color: var(--white);
}

.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid #e0e0e0;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--bg-dark);
    cursor: pointer;
    text-align: left;
    transition: color 0.3s;
    font-family: inherit;
}

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

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform 0.3s;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-answer p {
    padding: 0 0 1.5rem 0;
    color: var(--text-light);
}

.faq-item.active .faq-answer {
    max-height: 500px; /* arbitrary large value */
}

/* Contact */
.contact {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--bg-dark), #152238);
    color: var(--white);
}

.contact-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0,0,0,0.2);
}

.contact-info {
    padding: 4rem;
}

.contact-info h2 {
    color: var(--white);
}

.contact-info p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

.contact-details {
    margin-top: 3rem;
}

.contact-details p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-form-container {
    background: var(--white);
    padding: 4rem;
    color: var(--text-main);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
    background: #f9f9f9;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 4px rgba(25, 118, 210, 0.1);
    background: var(--white);
}

/* Loader */
.loader {
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top: 3px solid var(--white);
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    display: inline-block;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.form-status {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    display: none;
    font-weight: 600;
    text-align: center;
}

.form-status.success {
    display: block;
    background: #e8f5e9;
    color: #2e7d32;
}

.form-status.error {
    display: block;
    background: #ffebee;
    color: #c62828;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    padding: 2rem 0;
    text-align: center;
    color: rgba(255,255,255,0.6);
    border-top: 1px solid rgba(255,255,255,0.05);
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in.visible {
    opacity: 1;
    transform: translateX(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* Responsive */
@media (max-width: 992px) {
    .features-content {
        grid-template-columns: 1fr;
    }
    
    .contact-card {
        grid-template-columns: 1fr;
    }
    
    .hero-content h1 {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .nav-list {
        display: none; /* In a full app, implement a hamburger menu */
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .contact-info, .contact-form-container {
        padding: 2rem;
    }
}