/* ===================================
   Bright Smiles Dental - Demo Site
   Professional Dental Practice Website
   =================================== */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #2c5f8d;
    --secondary-blue: #4a90c5;
    --light-blue: #e8f4f8;
    --accent-teal: #3ab0b5;
    --dark-text: #333333;
    --light-text: #666666;
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --border-gray: #e0e0e0;
    --demo-orange: #ff6b35;
}

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

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

/* Demo Banner */
.demo-banner {
    background: linear-gradient(135deg, var(--demo-orange), #ff8c42);
    color: var(--white);
    text-align: center;
    padding: 12px 20px;
    font-weight: bold;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.demo-banner::before {
    content: "⚠️ ";
    margin-right: 8px;
}

/* Header */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 44px;
    z-index: 999;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 28px;
    font-weight: bold;
}

.logo-text h1 {
    font-size: 1.8rem;
    color: var(--primary-blue);
    font-weight: 700;
}

.logo-text p {
    font-size: 0.85rem;
    color: var(--light-text);
    margin-top: -4px;
}

/* Navigation */
nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav a {
    text-decoration: none;
    color: var(--dark-text);
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.3s ease;
    padding: 8px 0;
    position: relative;
}

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

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-blue);
    transition: width 0.3s ease;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 32px;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--accent-teal);
    color: var(--white);
}

.btn-primary:hover {
    background-color: #2d9096;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(58, 176, 181, 0.4);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--primary-blue);
}

.btn-secondary:hover {
    background-color: var(--light-blue);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3);
}

/* Sections */
section {
    padding: 60px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
    font-weight: 700;
}

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

.section-alt {
    background-color: var(--light-gray);
}

/* Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.card {
    background-color: var(--white);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--white);
}

.card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.card p {
    color: var(--light-text);
    line-height: 1.7;
}

/* Doctor/Staff Profiles */
.profile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.profile-card {
    background-color: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.profile-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.15);
}

.profile-image {
    width: 100%;
    height: 280px;
    background: linear-gradient(135deg, var(--light-blue), var(--secondary-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    color: var(--primary-blue);
}

.profile-content {
    padding: 25px;
}

.profile-content h3 {
    font-size: 1.6rem;
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.profile-title {
    color: var(--accent-teal);
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 1.05rem;
}

.profile-content p {
    color: var(--light-text);
    line-height: 1.7;
    margin-bottom: 12px;
}

.credentials {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-gray);
}

.credentials strong {
    color: var(--primary-blue);
    display: block;
    margin-bottom: 5px;
}

/* Forms */
.form-container {
    max-width: 700px;
    margin: 0 auto;
    background-color: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--dark-text);
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-gray);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* Contact Info */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.contact-card {
    text-align: center;
    padding: 30px;
    background-color: var(--light-blue);
    border-radius: 12px;
}

.contact-card-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.contact-card h3 {
    color: var(--primary-blue);
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.contact-card p,
.contact-card a {
    color: var(--dark-text);
    text-decoration: none;
}

.contact-card a:hover {
    color: var(--primary-blue);
}

/* Testimonials */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.testimonial {
    background-color: var(--white);
    padding: 30px;
    border-radius: 12px;
    border-left: 4px solid var(--accent-teal);
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.testimonial-text {
    font-style: italic;
    color: var(--light-text);
    line-height: 1.7;
    margin-bottom: 20px;
}

.testimonial-author {
    font-weight: 600;
    color: var(--primary-blue);
}

.testimonial-rating {
    color: #ffc107;
    font-size: 1.2rem;
    margin-bottom: 10px;
}

/* Service List */
.service-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.service-item {
    background-color: var(--white);
    padding: 25px;
    border-radius: 10px;
    border-left: 4px solid var(--primary-blue);
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.service-item:hover {
    border-left-color: var(--accent-teal);
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.12);
}

.service-item h3 {
    color: var(--primary-blue);
    margin-bottom: 10px;
    font-size: 1.3rem;
}

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

/* Footer */
footer {
    background-color: var(--dark-text);
    color: var(--white);
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3 {
    color: var(--accent-teal);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    line-height: 2;
}

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

.footer-section ul {
    list-style: none;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 20px;
    }

    nav ul {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .card-grid,
    .profile-grid,
    .service-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero h2 {
        font-size: 1.6rem;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .form-container {
        padding: 25px;
    }
}