:root {
    --primary-color: #5ba5a5;
    --primary-dark: #4a8c8c;
    --secondary-color: #6b7280;
    --success-color: #10b981;
    --info-color: #7dd3fc;
    --warning-color: #fbbf24;
    --danger-color: #ef4444;
    --light-color: #f1f5f9;
    --dark-color: #334155;
    --accent-yellow: #fed7aa;
    --accent-blue: #bfdbfe;
    --soft-gray: #f8fafc;
    --gradient-primary: linear-gradient(135deg, #5ba5a5 0%, #4a8c8c 100%);
    --gradient-soft: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    --shadow-light: 0 0.5rem 1rem rgba(91, 165, 165, 0.15);
    --shadow-medium: 0 1rem 3rem rgba(91, 165, 165, 0.2);
    --transition-base: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    overflow-x: hidden;
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.preloader.fade-out {
    opacity: 0;
    pointer-events: none;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--light-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Header - Sticky Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-light);
    transition: var(--transition-base);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color) !important;
}

.brand-logo{
    width:28px;
    height:28px;
    object-fit:contain;
    margin-right:8px;
    vertical-align:middle;
    border-radius:6px;
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--dark-color) !important;
    margin: 0 0.5rem;
    transition: var(--transition-base);
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
}

.navbar-toggler {
    border: none;
    padding: 0.25rem 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2833, 37, 41, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e8f7fb 0%, #f6f7ff 100%);
    position: relative;
    overflow: hidden;
    padding: 2rem 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(circle at 25% 25%, rgba(59, 179, 195, 0.08) 0%, transparent 45%),
        radial-gradient(circle at 75% 75%, rgba(191, 219, 254, 0.10) 0%, transparent 45%);
    animation: heroFloat 20s ease-in-out infinite;
}

@keyframes heroFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
    padding: 0 1rem;
}

.hero h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
    font-weight: 700;
    line-height: 1.2;
}

.hero p {
    font-size: 1rem;
    margin-bottom: 2rem;
    color: var(--secondary-color);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-image {
    position: relative;
    z-index: 1;
}

.hero-mockup {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.3));
    animation: mockupFloat 6s ease-in-out infinite;
}

@keyframes mockupFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.mockup-placeholder {
    width: 100%;
    max-width: 400px;
    height: 500px;
    background: linear-gradient(135deg, var(--accent-yellow) 0%, var(--warning-color) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-medium);
    border: 1px solid rgba(255, 255, 255, 0.4);
    margin: 0 auto;
}

@media (min-width: 480px) {
    .hero h1 { font-size: 2.5rem; }
    .hero p { font-size: 1.125rem; }
}

@media (min-width: 768px) {
    .hero h1 { font-size: 3rem; }
    .hero p { font-size: 1.25rem; }
}
/* CTA button to match index.html */
.cta-button {
    display: inline-block;
    padding: 0.875rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, #7aa7ff 100%);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    border: 1px solid transparent;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
}

/* Buttons */
.btn-primary {
    background: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition-base);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition-base);
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.btn-outline-light {
    border-radius: 50px;
    padding: 0.75rem 2rem;
    font-weight: 600;
    transition: var(--transition-base);
    color: var(--dark-color);
    border-color: var(--dark-color);
}

.btn-outline-light:hover {
    transform: translateY(-2px);
    background: var(--dark-color);
    color: white;
}

.btn-light {
    background: white;
    color: var(--primary-color);
    border-color: white;
    border-radius: 50px;
    padding: 0.75rem 2rem;
    font-weight: 600;
    transition: var(--transition-base);
}

.btn-light:hover {
    background: var(--light-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* Section Styling */
.section-padding {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

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

/* About Section */
.about {
    background: var(--soft-gray);
}

/* Features Section */
.feature-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    height: 100%;
    box-shadow: var(--shadow-light);
    transition: var(--transition-base);
    border: 1px solid rgba(0,0,0,0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    color: white;
}

.feature-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.feature-card p {
    color: var(--secondary-color);
    line-height: 1.6;
}

/* Services Section */
.service-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    height: 100%;
    box-shadow: var(--shadow-light);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
}

.service-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--accent-yellow) 0%, var(--warning-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2.5rem;
    color: var(--dark-color);
}

/* Video Section */
.video-section {
    background: linear-gradient(135deg, var(--dark-color) 0%, var(--secondary-color) 100%);
    color: white;
    position: relative;
}

.video-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--primary-color) 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: pointer;
    box-shadow: var(--shadow-medium);
}

.play-btn {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
    transition: var(--transition-base);
}

.play-btn:hover {
    transform: scale(1.1);
}

/* Testimonials Section */
.testimonials {
    background: var(--soft-gray);
}

.testimonial-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-light);
    text-align: center;
    height: 100%;
}

.testimonial-avatar {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
}

.testimonial-card .stars {
    color: var(--warning-color);
    margin-bottom: 1rem;
}

.testimonial-card blockquote {
    font-style: italic;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.testimonial-card .author {
    font-weight: 600;
    color: var(--dark-color);
}

.testimonial-card .position {
    font-size: 0.9rem;
    color: var(--secondary-color);
}

/* Pricing Section */
.pricing-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    height: 100%;
    box-shadow: var(--shadow-light);
    transition: var(--transition-base);
    position: relative;
    border: 2px solid transparent;
}

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

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.pricing-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-card .plan-name {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.pricing-card .price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.pricing-card .price-period {
    color: var(--secondary-color);
    margin-bottom: 2rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.5rem 0;
    color: var(--secondary-color);
    border-bottom: 1px solid var(--light-color);
}

.pricing-features li i {
    color: var(--success-color);
    margin-right: 0.5rem;
}

/* FAQ Section */
.faq {
    background: var(--soft-gray);
}

.accordion-item {
    border: none;
    margin-bottom: 1rem;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-light);
}

.accordion-button {
    background: white;
    border: none;
    font-weight: 600;
    color: var(--dark-color);
    padding: 1.5rem;
}

.accordion-button:not(.collapsed) {
    background: var(--primary-color);
    color: white;
}

.accordion-button:focus {
    box-shadow: none;
    border: none;
}

.accordion-body {
    padding: 1.5rem;
    background: white;
    color: var(--secondary-color);
    line-height: 1.6;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    justify-items: center;
}
.contact-form {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-light);
    width: 100%;
    max-width: 640px;
    margin: 0 auto;
}

.form-control {
    border: 2px solid var(--light-color);
    border-radius: 10px;
    padding: 0.75rem;
    transition: var(--transition-base);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(65, 84, 241, 0.25);
}

.contact-info {
    background: var(--gradient-primary);
    color: white;
    border-radius: 15px;
    padding: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    font-size: 1.2rem;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: white;
    padding: 3rem 0 1rem;
}

.footer h5 {
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer a {
    color: #adb5bd;
    text-decoration: none;
    transition: var(--transition-base);
}

.footer a:hover {
    color: white;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    margin-right: 0.5rem;
    transition: var(--transition-base);
}

.social-links a:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid #495057;
    padding-top: 2rem;
    margin-top: 2rem;
    text-align: center;
    color: #adb5bd;
}

/* Scroll to Top */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 1000;
    transition: var(--transition-base);
}

.scroll-top:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.scroll-top.visible {
    display: flex;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease;
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

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

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

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

/* Newsletter */
.newsletter {
    background: var(--gradient-primary);
    color: white;
    padding: 4rem 0;
}

.newsletter .form-control {
    border: none;
    border-radius: 50px;
    padding: 1rem 1.5rem;
}

.newsletter .btn {
    border-radius: 50px;
    padding: 1rem 2rem;
}