/* Dr H N Roy Mental Clinic - Main Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb; /* Medical Blue */
    --secondary-color: #10b981; /* Healthcare Green */
    --accent-color: #f59e0b; /* Warm Orange */
    --text-primary: #1f2937; /* Dark Gray */
    --text-secondary: #6b7280; /* Medium Gray */
    --background: #ffffff;
    --surface: #f9fafb;
    --border: #e5e7eb;
    --shadow: rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.section {
    padding: 4rem 0;
}

/* Header */
header {
    background: var(--background);
    box-shadow: 0 2px 4px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

nav a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
}

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

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: white;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

/* Clinic Info Cards */
.clinic-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.info-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.info-card i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.info-card h3 {
    color: white;
    margin-bottom: 0.5rem;
}

.info-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-whatsapp {
    background: #25d366;
    color: white;
}

.btn-whatsapp:hover {
    background: #20ba5a;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    min-width: 120px;
    text-align: center;
}

/* Service card button container */
.service-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 1.5rem;
}

.service-buttons .btn {
    flex: 1;
    min-width: 110px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 0.5rem;
    line-height: 1.2;
}

.service-buttons .btn i {
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
    opacity: 1;
    color: inherit;
    display: block;
}

/* Cards */
.card {
    background: var(--background);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border);
}

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

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

.service-card {
    text-align: center;
}

.service-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Doctor Profile */
.doctor-profile {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    align-items: center;
    margin: 3rem 0;
}

.doctor-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 25px var(--shadow);
}

.doctor-image img {
    width: 100%;
    height: auto;
    display: block;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border);
    border-radius: 6px;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-control.error {
    border-color: #ef4444;
}

.error-message {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

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

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

.footer-section h3 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section p,
.footer-section a {
    color: #d1d5db;
    text-decoration: none;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1rem;
    text-align: center;
    color: #9ca3af;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 0.5rem;
    }

    .header-content {
        padding: 0.5rem 0;
    }

    nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--background);
        box-shadow: 0 2px 4px var(--shadow);
        padding: 1rem;
    }

    nav.active {
        display: block;
    }

    nav ul {
        flex-direction: column;
        gap: 1rem;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .doctor-profile {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .doctor-image {
        max-width: 250px;
        margin: 0 auto;
    }

    .clinic-info {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .section {
        padding: 2rem 0;
    }

    /* Mobile grid overrides */
    div[style*="grid-template-columns: 1fr 400px"] {
        display: block !important;
    }
    
    div[style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
    
    div[style*="display: grid"][style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
}

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

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

/* Loading State */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    display: inline-block;
    margin-right: 0.5rem;
}

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


/* By ChatGPT */
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 3 cards per row */
    gap: 2rem;
    margin-top: 3rem;
}

@media (max-width: 992px) {
    .why-grid {
        grid-template-columns: repeat(2, 1fr); /* tablet */
    }
}

@media (max-width: 600px) {
    .why-grid {
        grid-template-columns: 1fr; /* mobile */
    }
}

.why-card {
    text-align: center;
    padding: 2.2rem 1.8rem;
    border-radius: 16px;
    transition: all 0.35s ease;
}

.why-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 45px rgba(0,0,0,0.08);
}

.why-icon {
    font-size: 2.6rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}