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

html {
    overflow-x: hidden;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
}

body.nav-open {
    overflow: hidden;
}

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

/* Header and Navigation */
header {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    padding: 1rem 0;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.logo-mark {
    display: block;
    height: 40px;
    width: auto;
}

.logo h1 {
    font-size: 1.8rem;
}

.logo h1 a {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
}

.wordmark-fc,
.wordmark-sync {
    font-weight: 800;
}

.wordmark-fc {
    color: #0D1B2A;
}

.wordmark-sync {
    color: #1E88E5;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #3498db;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Mobile nav drawer chrome - hidden by default, revealed only under the
   mobile breakpoint in responsive.css so desktop nav is never affected */
.nav-menu-header,
.nav-overlay {
    display: none;
}

/* Main Content */
/* No manual offset needed: header uses position: sticky and occupies
   its own space in normal flow, so main starts right after it. */

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1E88E5 0%, #0D1B2A 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-button {
    background: #e74c3c;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.cta-button:hover {
    background: #c0392b;
}

/* Hero Image Slider */
.hero-slider {
    position: relative;
    overflow: hidden;
    height: 60vw;
    min-height: 280px;
    max-height: 640px;
}

.hero-slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: left center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1s ease;
}

.hero-slide.active {
    opacity: 1;
}

.hero-slider-dots {
    position: absolute;
    left: 50%;
    bottom: 20px;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 2;
}

.hero-dot {
    width: 10px;
    height: 10px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background 0.3s ease, transform 0.3s ease;
}

.hero-dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

.hero-dot.active {
    background: #fff;
    transform: scale(1.2);
}

/* About Section */
.about {
    padding: 80px 0;
    background: #f8f9fa;
}

.about h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2.5rem;
    color: #0D1B2A;
}

.about p {
    text-align: center;
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto;
}

/* Services Section */
.services {
    padding: 80px 0;
}

.services h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: #0D1B2A;
}

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

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card h3 {
    color: #0D1B2A;
    margin-bottom: 1rem;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: #f8f9fa;
}

.contact h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: #0D1B2A;
}

#contact-form {
    max-width: 600px;
    margin: 0 auto;
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

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

#contact-form button {
    background: #3498db;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    border-radius: 5px;
    cursor: pointer;
    width: 100%;
    transition: background 0.3s ease;
}

#contact-form button:hover {
    background: #2980b9;
}

/* Footer */
footer {
    background: #0D1B2A;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

/* Authentication Button Styling */
.auth-button {
    background: linear-gradient(135deg, #1E88E5 0%, #0D1B2A 100%) !important;
    color: white !important;
    padding: 8px 16px !important;
    border-radius: 20px !important;
    font-weight: 600 !important;
    transition: all 0.3s ease !important;
    text-decoration: none !important;
    margin-left: 10px;
}

.auth-button:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(30, 136, 229, 0.4) !important;
    color: white !important;
}

/* Modal Styles for Login/Signup */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 0;
    border-radius: 10px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease;
    display: flex;
    flex-direction: column;
}

.modal-header {
    background: linear-gradient(135deg, #1E88E5 0%, #0D1B2A 100%);
    color: white;
    padding: 20px;
    border-radius: 10px 10px 0 0;
    position: relative;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.5rem;
}

.close {
    color: white;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    position: absolute;
    right: 15px;
    top: 15px;
}

.close:hover {
    opacity: 0.7;
}

.modal-body {
    padding: 30px;
    overflow-y: auto;
    max-height: calc(90vh - 80px);
}

.tab-buttons {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.tab-button {
    flex: 1;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 600;
    color: #666;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.tab-button.active {
    color: #1E88E5;
    border-bottom-color: #1E88E5;
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #333;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: #1E88E5;
    box-shadow: 0 0 0 2px rgba(30, 136, 229, 0.2);
}

.auth-submit-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #1E88E5 0%, #0D1B2A 100%);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.auth-submit-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 136, 229, 0.4);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from { 
        opacity: 0;
        transform: translateY(-50px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 25px;
    border-radius: 5px;
    background: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.3s ease;
    max-width: 400px;
    font-size: 14px;
    line-height: 1.4;
}

.notification.show {
    opacity: 1;
    transform: translateX(0);
}

.notification-info {
    background: #2196F3;
    color: white;
}

.notification-success {
    background: #4CAF50;
    color: white;
}

.notification-error {
    background: #f44336;
    color: white;
}

.notification-warning {
    background: #ff9800;
    color: white;
}