/* ===== CSS VARIABLES ===== */
:root {
    --bg-light-grey: #f5f7fa;
    --cobalt-blue: #0056b3;
    --cobalt-blue-dark: #004494;
    --cobalt-blue-light: #3d7dc9;
    --white: #ffffff;
    --dark-text: #1a1a2e;
    --text-grey: #4a4a68;
    --border-grey: #e1e5eb;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-light-grey);
    color: var(--dark-text);
    line-height: 1.7;
    font-size: 16px;
}

a {
    text-decoration: none;
    color: var(--cobalt-blue);
    transition: var(--transition);
}

a:hover {
    color: var(--cobalt-blue-dark);
}

img {
    max-width: 100%;
    height: auto;
}

ul {
    list-style: none;
}

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

/* ===== HEADER & NAVIGATION ===== */
header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark-text);
}

.logo:hover {
    color: var(--cobalt-blue);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--cobalt-blue), var(--cobalt-blue-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
}

nav ul {
    display: flex;
    gap: 30px;
}

nav a {
    color: var(--text-grey);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--cobalt-blue);
    transition: var(--transition);
}

nav a:hover::after,
nav a.active::after {
    width: 100%;
}

nav a:hover,
nav a.active {
    color: var(--cobalt-blue);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark-text);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(135deg, var(--cobalt-blue) 0%, var(--cobalt-blue-light) 100%);
    color: var(--white);
    padding: 80px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto 30px;
}

.hero-visual {
    margin-top: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
}

.hero-illustration {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-illustration svg {
    width: 200px;
    height: 200px;
}

/* ===== MAIN CONTENT ===== */
main {
    padding: 60px 0;
}

.content-card {
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 40px;
    margin-bottom: 30px;
}

.content-card h2 {
    color: var(--cobalt-blue);
    font-size: 1.8rem;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--border-grey);
}

.content-card h3 {
    color: var(--dark-text);
    font-size: 1.4rem;
    margin: 25px 0 15px;
}

.content-card p {
    color: var(--text-grey);
    margin-bottom: 15px;
}

.content-card ul {
    margin: 15px 0 15px 20px;
}

.content-card li {
    color: var(--text-grey);
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

.content-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--cobalt-blue);
}

/* Info Box */
.info-box {
    background: linear-gradient(135deg, #e8f4fd 0%, #f0f7ff 100%);
    border-left: 4px solid var(--cobalt-blue);
    padding: 20px 25px;
    border-radius: 0 8px 8px 0;
    margin: 25px 0;
}

.info-box h4 {
    color: var(--cobalt-blue);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.info-box p {
    margin: 0;
    color: var(--text-grey);
}

/* Warning Box */
.warning-box {
    background: #fff8e6;
    border-left: 4px solid #f5a623;
    padding: 20px 25px;
    border-radius: 0 8px 8px 0;
    margin: 25px 0;
}

.warning-box h4 {
    color: #c77e00;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.warning-box p {
    margin: 0;
    color: #8b6914;
}

/* ===== FEATURES GRID ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.feature-item {
    background: var(--bg-light-grey);
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--cobalt-blue), var(--cobalt-blue-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    color: var(--white);
    font-size: 1.5rem;
}

.feature-item h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--dark-text);
}

.feature-item p {
    font-size: 0.95rem;
    color: var(--text-grey);
    margin: 0;
}

/* ===== FAQ SECTION ===== */
.faq-item {
    background: var(--bg-light-grey);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-question {
    padding: 20px 25px;
    font-weight: 600;
    color: var(--dark-text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--border-grey);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--cobalt-blue);
    transition: var(--transition);
}

.faq-item.active .faq-question::after {
    content: '−';
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    color: var(--text-grey);
}

.faq-item.active .faq-answer {
    padding: 0 25px 20px;
    max-height: 500px;
}

/* ===== CONTACT FORM ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--cobalt-blue), var(--cobalt-blue-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.contact-info-item h4 {
    color: var(--dark-text);
    margin-bottom: 5px;
}

.contact-info-item p {
    color: var(--text-grey);
    margin: 0;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: var(--dark-text);
}

.form-group input,
.form-group textarea {
    padding: 12px 15px;
    border: 2px solid var(--border-grey);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--cobalt-blue);
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.submit-btn {
    background: linear-gradient(135deg, var(--cobalt-blue), var(--cobalt-blue-light));
    color: var(--white);
    padding: 14px 30px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 86, 179, 0.3);
}

/* ===== FOOTER ===== */
footer {
    background: var(--dark-text);
    color: var(--white);
    padding: 50px 20px 30px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin: 0;
}

.footer-section ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--white);
}

.footer-disclaimer {
    background: rgba(255, 255, 255, 0.05);
    padding: 25px;
    border-radius: 8px;
    margin-top: 40px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.footer-disclaimer p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    text-align: center;
    margin: 0;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    margin-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* ===== PAGE HEADER ===== */
.page-header {
    background: linear-gradient(135deg, var(--cobalt-blue) 0%, var(--cobalt-blue-light) 100%);
    color: var(--white);
    padding: 60px 20px;
    text-align: center;
}

.page-header h1 {
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.page-header p {
    opacity: 0.9;
    font-size: 1.1rem;
}

/* Breadcrumb */
.breadcrumb {
    padding: 15px 0;
    background: var(--white);
    border-bottom: 1px solid var(--border-grey);
}

.breadcrumb ul {
    display: flex;
    gap: 10px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.breadcrumb li::after {
    content: '/';
    margin-left: 10px;
    color: var(--text-grey);
}

.breadcrumb li:last-child::after {
    display: none;
}

.breadcrumb a {
    color: var(--text-grey);
}

.breadcrumb a:hover {
    color: var(--cobalt-blue);
}

.breadcrumb li:last-child {
    color: var(--cobalt-blue);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        box-shadow: var(--shadow);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    nav.active {
        max-height: 400px;
    }
    
    nav ul {
        flex-direction: column;
        padding: 20px;
        gap: 0;
    }
    
    nav li {
        border-bottom: 1px solid var(--border-grey);
    }
    
    nav li:last-child {
        border-bottom: none;
    }
    
    nav a {
        display: block;
        padding: 12px 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .hero-visual {
        flex-direction: column;
    }
    
    .content-card {
        padding: 25px;
    }
    
    .content-card h2 {
        font-size: 1.5rem;
    }
    
    .page-header h1 {
        font-size: 1.8rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 50px 15px;
    }
    
    .hero h1 {
        font-size: 1.7rem;
    }
    
    .content-card {
        padding: 20px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== UTILITY CLASSES ===== */
.text-center {
    text-align: center;
}

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}