/* =================================================================
   GLOBAL STYLESHEET (global.css) - REDESIGNED
   Modern, Professional Styling for Diwata Yoga
   ================================================================= */

/* =========== 1. Font Import =========== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&family=Playfair+Display:wght@400;600;700&display=swap');

/* =========== 2. CSS Variables =========== */
:root {
    /* Colors */
    --color-primary: #2D5F5D;
    --color-primary-light: #3A7A77;
    --color-primary-dark: #1F4544;
    --color-accent: #C9A978;
    --color-accent-light: #E0C79F;
    --color-background: #F8F9FA;
    --color-surface: #FFFFFF;
    --color-text-primary: #2C3E50;
    --color-text-secondary: #5A6C7D;
    --color-text-light: #FFFFFF;
    --color-border: #E5E7EB;
    --color-shadow: rgba(0, 0, 0, 0.1);
    
    /* Fonts */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Poppins', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
}

/* =========== 3. Global Resets =========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

main {
    width: 100%;
    overflow-x: hidden;
}

section {
    padding: var(--spacing-xl) var(--spacing-md);
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text-primary);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-medium);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* =========== 4. Button Styles =========== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-medium);
    letter-spacing: 0.5px;
}

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

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

.btn-secondary {
    background-color: var(--color-accent);
    color: var(--color-text-primary);
}

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

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.1rem;
}

.btn.active {
    background-color: var(--color-primary-dark);
    color: var(--color-text-light);
}

/* =========== 5. Navigation =========== */
.sticky-nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--color-surface);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--color-border);
}

.sticky-nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
}

.logo img {
    height: 50px;
    transition: var(--transition-medium);
}

.logo:hover img {
    transform: scale(1.05);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-text-primary);
    position: relative;
    transition: var(--transition-medium);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: var(--transition-medium);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

.nav-links ul {
    display: flex;
    list-style: none;
    gap: 0.5rem;
}

.nav-links li a {
    display: block;
    padding: 0.75rem 1.25rem;
    color: var(--color-text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    border-radius: var(--radius-sm);
    transition: var(--transition-medium);
}

.nav-links li a:hover {
    background-color: var(--color-primary);
    color: var(--color-text-light);
}

.nav-links li a.active {
    background-color: var(--color-primary);
    color: var(--color-text-light);
}

/* =========== 6. Section Headers =========== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: 2.75rem;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* =========== 7. Footer =========== */
.site-footer {
    background-color: var(--color-primary-dark);
    color: var(--color-text-light);
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-logo {
    height: 300px;
    width: auto;
    margin-bottom: var(--spacing-sm);
}

.footer-info p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer-contact h3 {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
}

/* Form Messages */
.form-message {
    display: none;
    padding: 0.75rem 1rem;
    margin-top: 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
}

.form-message.success {
    background-color: #D1FAE5;
    color: #065F46;
    border: 1px solid #A7F3D0;
}

.form-message.error {
    background-color: #FEE2E2;
    color: #991B1B;
    border: 1px solid #FECACA;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contact-form input,
.contact-form textarea {
    padding: 0.875rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-text-light);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-medium);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: rgba(255, 255, 255, 0.15);
}

.contact-form button {
    width: 100%;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* =========== 8. Animation Keyframes =========== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes slideInLeft {
    from { 
        opacity: 0;
        transform: translateX(-50px);
    }
    to { 
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from { 
        opacity: 0;
        transform: translateX(50px);
    }
    to { 
        opacity: 1;
        transform: translateX(0);
    }
}

/* =========== 9. Animation Classes =========== */
.fade-in,
.fade-in-up,
.slide-in-left,
.slide-in-right {
    opacity: 0;
    animation-delay: var(--delay, 0s);
}

.fade-in.is-visible {
    animation: fadeIn 0.8s ease forwards;
}

.fade-in-up.is-visible {
    animation: fadeInUp 0.8s ease forwards;
}

.slide-in-left.is-visible {
    animation: slideInLeft 0.8s ease forwards;
}

.slide-in-right.is-visible {
    animation: slideInRight 0.8s ease forwards;
}

/* =========== 10. Responsive Design =========== */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .sticky-nav-container {
        padding: 1rem;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-surface);
        box-shadow: var(--shadow-md);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .nav-links.active {
        max-height: 400px;
    }
    
    .nav-links ul {
        flex-direction: column;
        padding: 1rem;
    }
    
    .nav-links li {
        width: 100%;
    }
    
    .nav-links li a {
        width: 100%;
        text-align: center;
        padding: 1rem;
    }
    
    section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    h1 { font-size: 2.25rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
}