/* Design System */
:root {
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --secondary: #6366f1;
    --accent: #10b981;
    --background: #ffffff;
    --surface: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --white: #ffffff;
    --glass: rgba(255, 255, 255, 0.7);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 1rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

h1,
h2,
h3,
h4 {
    font-family: 'Outfit', sans-serif;
    color: var(--text-main);
}

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

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100px);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.animate-fade {
    animation: fadeIn 0.8s ease-out forwards;
}

.animate-slide {
    animation: slideInRight 0.8s ease-out forwards;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: var(--glass);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

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

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.logo i {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    transition: color 0.3s;
}

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

.btn-appointment {
    background: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 4px 14px 0 rgba(14, 165, 233, 0.39);
}

.btn-appointment:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.23);
    background: var(--primary-dark);
}

/* Hero Section */
.hero {
    padding: 180px 2rem 100px;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 4rem;
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-main) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.hero-image {
    flex: 1;
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.floating-card {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: white;
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: fadeIn 1s ease-out 0.5s forwards;
    opacity: 0;
}

/* Services */
.services {
    padding: 100px 2rem;
    background: var(--surface);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
    max-width: 900px;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius);
    transition: all 0.3s;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

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

.service-icon {
    width: 60px;
    height: 60px;
    background: rgba(14, 165, 233, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

/* Doctors */
.doctors {
    padding: 100px 2rem;
}

.doctors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.doctor-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s;
}

.doctor-card:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.doctor-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.doctor-info {
    padding: 2rem;
}

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

.doctor-info p {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Contact */
.contact {
    padding: 100px 2rem;
    background: var(--text-main);
    color: white;
}

.contact h2 {
    color: white;
    margin-bottom: 1.5rem;
}

.contact-info-item {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 2rem;
    align-items: flex-start;
}

.contact-info-item i {
    color: var(--primary);
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    margin-top: 4px;
}

.contact-info-item h4 {
    color: white;
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}

.contact-info-item p {
    color: #cbd5e1;
    font-size: 0.95rem;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    padding: 3rem;
    border-radius: var(--radius);
}

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

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: white;
    outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--primary);
}

.btn-submit {
    background: var(--primary);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
}

/* Footer */
footer {
    padding: 4rem 2rem;
    text-align: center;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}


@media (max-width: 1024px) {
    nav {
        padding: 1rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block !important;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        box-shadow: var(--shadow-md);
        z-index: 999;
        text-align: center;
    }

    .nav-links.active {
        display: flex;
    }

    .btn-appointment {
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding: 120px 1.5rem 60px;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }

    .section-header h2 {
        font-size: 2rem;
    }
}

/* Modal Booking */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius);
    width: 100%;
    max-width: 500px;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.close-modal {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
    transition: color 0.3s;
}

.close-modal:hover {
    color: var(--text-main);
}

.modal label {
    font-size: 0.9rem;
    color: var(--text-main);
}

.modal input,
.modal select {
    background: var(--surface) !important;
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
    color: var(--text-main) !important;
    margin-top: 5px;
}