/* Base Styles */
:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #90cdf4;
    --text-dark: #2d3748;
    --text-medium: #4a5568;
    --text-light: #718096;
    --bg-light: #f8f9ff;
    --bg-white: #ffffff;
    --footer-bg: #2d3748;
    --footer-text: #cbd5e0;
    --footer-link: #90cdf4;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

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

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Header */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    position: relative;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    z-index: 1001;
}

.hamburger {
    display: none;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 5px 0;
    transition: var(--transition);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-medium);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a.active {
    color: var(--primary-color);
    font-weight: 600;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
}

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

.cta-button {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx=".5" cy=".5" r=".5"><stop offset="0%" stop-color="%23ffffff" stop-opacity=".1"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="300" r="100" fill="url(%23a)"/><circle cx="800" cy="200" r="150" fill="url(%23a)"/><circle cx="600" cy="800" r="120" fill="url(%23a)"/></svg>') no-repeat center;
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(1deg); }
    66% { transform: translateY(10px) rotate(-1deg); }
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-text {
    flex: 1;
    text-align: left;
    padding-right: 2rem;
}

.hero-video {
    flex: 1;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    position: relative;
}

.hero-video::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(102, 126, 234, 0.1);
    z-index: 1;
    pointer-events: none;
}

.hero-video video {
    width: 100%;
    height: 315px;
    border: none;
    border-radius: 15px;
    display: block;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff, #f8f9ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-align: left;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    backdrop-filter: blur(10px);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 10;
}

.hero-scroll-indicator span {
    display: block;
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    margin: 5px 0;
    animation: bounce 2s infinite;
}

.hero-scroll-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.hero-scroll-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); opacity: 0.6; }
    50% { transform: translateY(10px); opacity: 1; }
}

/* Main Content */
.main-content {
    background: white;
    border-radius: 30px 30px 0 0;
    margin-top: 2rem;
    box-shadow: 0 -10px 50px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 3;
}

/* Mission Section */
.mission {
    padding: 4rem 0;
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Values Grid */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.value-card {
    background: linear-gradient(135deg, var(--bg-light), var(--bg-white));
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(102, 126, 234, 0.1);
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s;
}

.value-card:hover::before {
    left: 100%;
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
}

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

.value-card:hover .value-icon {
    transform: rotate(15deg) scale(1.1);
}

.value-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.value-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* About Section */
.about {
    background: linear-gradient(135deg, var(--bg-light), var(--bg-white));
    padding: 4rem 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: center;
}

.about-image {
    text-align: center;
    position: relative;
}

.image-wrapper {
    position: relative;
    display: inline-block;
}

.doctor-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid white;
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.3);
    transition: var(--transition);
    position: relative;
    z-index: 2;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0.2;
    border-radius: 50%;
    z-index: 1;
    transition: var(--transition);
}

.image-wrapper:hover .doctor-image {
    transform: scale(1.05);
}

.image-wrapper:hover .image-overlay {
    opacity: 0.3;
    transform: scale(1.1);
}

.about-text h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.about-credentials {
    display: flex;
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.credential {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 500;
}

.credential i {
    font-size: 1.2rem;
}

/* Membership Section */
.membership {
    padding: 4rem 0;
    text-align: center;
}

.membership-options {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.membership-card {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 25px;
    padding: 3rem;
    width: 100%;
    max-width: 400px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.4);
    transition: var(--transition);
}

.membership-card.featured {
    transform: scale(1.05);
    z-index: 1;
}

.membership-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 70px rgba(102, 126, 234, 0.5);
}

.membership-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.membership-badge {
    position: absolute;
    top: 20px;
    right: -30px;
    background: #ffd700;
    color: var(--text-dark);
    padding: 5px 30px;
    font-weight: 600;
    transform: rotate(45deg);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.membership-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(180deg); }
}

.membership-content {
    position: relative;
    z-index: 2;
}

.membership-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    margin: 1rem 0;
}

.price-period {
    font-size: 1rem;
    opacity: 0.8;
}

.price-savings {
    background: rgba(255, 255, 255, 0.2);
    display: inline-block;
    padding: 0.3rem 1rem;
    border-radius: 50px;
    margin-bottom: 1rem;
    font-weight: 600;
}

.membership-features {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
}

.membership-features li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 2rem;
}

.membership-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.membership-description {
    margin-bottom: 2rem;
    opacity: 0.9;
    font-style: italic;
}

.membership-btn {
    width: 100%;
    text-align: center;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: none;
    margin-bottom: 1rem;
}

.membership-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.membership-note {
    margin-top: 1rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Newsletter Section */
.newsletter {
    background: linear-gradient(135deg, var(--bg-light), var(--bg-white));
    padding: 4rem 0;
    text-align: center;
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
}

.newsletter h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.newsletter p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

.newsletter-form {
    margin-top: 2rem;
}

.form-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.form-group input {
    flex: 1;
    min-width: 250px;
    padding: 1rem;
    border-radius: 50px;
    border: 1px solid #ddd;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.form-group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.form-group button {
    padding: 1rem 2rem;
    border-radius: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.form-group button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.form-message {
    margin-top: 1rem;
    padding: 0.5rem;
    border-radius: 5px;
    display: none;
}

.form-message.success {
    background: #e6fffa;
    color: #38b2ac;
    display: block;
}

.form-message.error {
    background: #fff5f5;
    color: #e53e3e;
    display: block;
}

.privacy-note {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 1rem;
    opacity: 0.7;
}

/* Footer */
footer {
    background: var(--footer-bg);
    color: white;
    padding: 3rem 0 2rem;
    text-align: center;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
    text-align: left;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--footer-link);
}

.footer-section a {
    color: var(--footer-text);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

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

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

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 1rem 0;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--footer-link);
    color: var(--footer-bg);
    transform: translateY(-3px);
}

.social-email {
    display: inline-block;
    margin-top: 1rem;
    color: var(--footer-link);
    font-weight: 500;
}

.footer-bottom {
    border-top: 1px solid #4a5568;
    padding-top: 2rem;
    color: var(--footer-text);
    opacity: 0.7;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-image {
        margin-bottom: 2rem;
    }

    .about-credentials {
        justify-content: center;
    }

    .hero-content {
        flex-direction: column;
    }
    
    .hero-text {
        text-align: center;
        padding-right: 0;
        margin-bottom: 2rem;
    }
    
    .hero-video {
        width: 100%;
        margin-top: 2rem;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: white;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        transition: var(--transition);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        right: 0;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .values-grid {
        grid-template-columns: 1fr;
    }

    .membership-options {
        flex-direction: column;
        align-items: center;
    }

    .membership-card.featured {
        transform: scale(1);
    }

    .membership-card.featured:hover {
        transform: scale(1) translateY(-10px);
    }

    .hero-video iframe {
        height: 250px;
    }
}

@media (max-width: 480px) {
    .hero-video iframe {
        height: 200px;
    }
    .cta-button {
    display: none;
}
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 1s ease-in;
}

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

.slide-up {
    animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(30px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}