/* Progressive Pharmacy - Premium Green Redesign */

:root {
    /* Green Brand Palette */
    --primary: #2E7D32;
    --primary-light: #43A047;
    --primary-dark: #1B5E20;
    --primary-extra-light: #E8F5E9;
    --accent: #66BB6A;
    --accent-light: #A5D6A7;
    
    /* Neutrals */
    --bg-main: #FAFCFA;
    --bg-section: #FFFFFF;
    --bg-card: #FFFFFF;
    --text-primary: #1A1A1A;
    --text-secondary: #5A5A5A;
    --text-muted: #757575;
    --border-light: #E0E0E0;
    --border-subtle: #EEEEEE;
    
    /* Typography */
    --font-main: 'Nunito Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-max: 1200px;
    
    /* Effects */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
    --shadow-green-glow: 0 4px 20px rgba(46, 125, 50, 0.15);
    
    /* Border Radius */
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 36px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-main);
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   HEADER / NAVIGATION
======================================== */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-medium);
}

header.scrolled {
    box-shadow: var(--shadow-md);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

header .logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

header .logo img {
    height: 52px;
    width: auto;
    transition: transform var(--transition-medium);
}

header .logo a:hover img {
    transform: scale(1.03);
}

header nav ul {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}

header nav ul li {
    position: relative;
}

header nav ul li a {
    display: block;
    padding: 10px 20px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 15px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

header nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 20px;
    right: 20px;
    height: 2px;
    background: var(--primary);
    transform: scaleX(0);
    transition: transform var(--transition-fast);
}

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

header nav ul li a:hover::after {
    transform: scaleX(1);
}

header nav ul li a.cta-btn {
    background: var(--primary);
    color: white;
    padding: 10px 24px;
}

header nav ul li a.cta-btn::after {
    display: none;
}

header nav ul li a.cta-btn:hover {
    background: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-green-glow);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

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

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   HERO SECTION
======================================== */
#hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
    background: linear-gradient(135deg, #1B5E20 0%, #2E7D32 50%, #43A047 100%);
}

#hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(102, 187, 106, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(165, 214, 167, 0.2) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

#hero .hero-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(30deg, rgba(255,255,255,0.02) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.02) 87.5%, rgba(255,255,255,0.02)),
        linear-gradient(150deg, rgba(255,255,255,0.02) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.02) 87.5%, rgba(255,255,255,0.02)),
        linear-gradient(30deg, rgba(255,255,255,0.02) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.02) 87.5%, rgba(255,255,255,0.02)),
        linear-gradient(150deg, rgba(255,255,255,0.02) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.02) 87.5%, rgba(255,255,255,0.02));
    background-size: 80px 140px;
    background-position: 0 0, 0 0, 40px 70px, 40px 70px;
    animation: patternMove 20s linear infinite;
    opacity: 0.5;
}

@keyframes patternMove {
    0% { transform: translateY(0); }
    100% { transform: translateY(140px); }
}

#hero .hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 40px;
}

#hero .hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: white;
    line-height: 1.2;
    margin-bottom: 24px;
    text-shadow: 0 4px 20px rgba(0,0,0,0.2);
    opacity: 0;
    transform: translateY(30px);
    animation: heroFadeUp 0.8s ease forwards 0.2s;
}

#hero .hero-content p {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: rgba(255,255,255,0.9);
    margin-bottom: 40px;
    line-height: 1.8;
    opacity: 0;
    transform: translateY(30px);
    animation: heroFadeUp 0.8s ease forwards 0.4s;
}

#hero .hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(30px);
    animation: heroFadeUp 0.8s ease forwards 0.6s;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-medium);
    cursor: pointer;
    border: none;
    font-family: var(--font-main);
}

.btn-primary {
    background: white;
    color: var(--primary);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    background: var(--primary-extra-light);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255,255,255,0.5);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: white;
    transform: translateY(-3px);
}

/* Hero Image/Graphic */
.hero-graphic {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 600px;
    opacity: 0.15;
    pointer-events: none;
}

/* ========================================
   SECTIONS COMMON
======================================== */
section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 20px auto 0;
}

/* ========================================
   ABOUT SECTION
======================================== */
#about {
    background: var(--bg-section);
    position: relative;
}

#about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(180deg, var(--bg-main) 0%, transparent 100%);
    pointer-events: none;
}

#about .about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

#about .about-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

#about .about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 3px solid var(--primary);
    border-radius: var(--radius-lg);
    z-index: -1;
}

#about .about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

#about .about-image:hover img {
    transform: scale(1.05);
}

#about .about-text h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
}

#about .about-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

#about .about-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 30px;
}

#about .about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
}

#about .about-feature .icon {
    width: 40px;
    height: 40px;
    background: var(--primary-extra-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

#about .about-feature span {
    font-weight: 600;
    color: var(--text-primary);
}

/* ========================================
   SERVICES SECTION
======================================== */
#services {
    background: var(--bg-main);
    position: relative;
    overflow: hidden;
}

#services::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(46, 125, 50, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

#services::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -150px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(46, 125, 50, 0.03) 0%, transparent 70%);
    border-radius: 50%;
}

#services .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-subtle);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-medium);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card .icon-wrapper {
    width: 80px;
    height: 80px;
    background: var(--primary-extra-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all var(--transition-medium);
}

.service-card:hover .icon-wrapper {
    background: var(--primary);
    transform: scale(1.1) rotate(5deg);
}

.service-card .icon-wrapper img {
    width: 44px;
    height: 44px;
    object-fit: contain;
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.service-card .learn-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.service-card .learn-more svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.service-card:hover .learn-more svg {
    transform: translateX(4px);
}

/* ========================================
   MOBILE/APP SECTION
======================================== */
#mobile {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    position: relative;
    overflow: hidden;
}

#mobile::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 90%, rgba(255,255,255,0.1) 0%, transparent 40%),
        radial-gradient(circle at 90% 10%, rgba(255,255,255,0.08) 0%, transparent 40%);
}

#mobile .section-header h2,
#mobile .section-header p {
    color: white;
}

#mobile .section-header h2::after {
    background: rgba(255,255,255,0.5);
}

#mobile .section-header p {
    color: rgba(255,255,255,0.85);
}

#mobile .mobile-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

#mobile .mobile-device {
    text-align: center;
}

#mobile .mobile-device img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.3));
    transition: transform var(--transition-slow);
}

#mobile .mobile-device:hover img {
    transform: translateY(-10px) scale(1.02);
}

#mobile .mobile-text h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
}

#mobile .mobile-text p {
    color: rgba(255,255,255,0.9);
    margin-bottom: 24px;
    font-size: 1.05rem;
}

#mobile .app-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

#mobile .app-buttons a {
    display: inline-block;
    transition: transform var(--transition-fast);
}

#mobile .app-buttons a:hover {
    transform: translateY(-4px);
}

#mobile .app-buttons img {
    height: 48px;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

#mobile .refills-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: white;
    color: var(--primary);
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-weight: 700;
    text-decoration: none;
    margin-top: 20px;
    transition: all var(--transition-medium);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

#mobile .refills-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

/* ========================================
   CONTACT SECTION
======================================== */
#contact {
    background: var(--bg-section);
    position: relative;
}

#contact .contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

#contact .contact-info {
    background: var(--primary-extra-light);
    border-radius: var(--radius-lg);
    padding: 40px;
    height: 100%;
}

#contact .contact-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 24px;
}

#contact .contact-info .info-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

#contact .contact-info .info-item .icon {
    width: 48px;
    height: 48px;
    background: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

#contact .contact-info .info-item .icon svg {
    width: 22px;
    height: 22px;
}

#contact .contact-info .info-item .details h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

#contact .contact-info .info-item .details p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

#contact .contact-info .hours-list {
    list-style: none;
    margin-top: 12px;
}

#contact .contact-info .hours-list li {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 0.9rem;
}

#contact .contact-info .hours-list li:last-child {
    border-bottom: none;
}

#contact .contact-info .hours-list li span:first-child {
    color: var(--text-primary);
    font-weight: 600;
}

#contact .contact-info .hours-list li span:last-child {
    color: var(--text-secondary);
}

#contact .contact-form {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-subtle);
}

#contact .contact-form h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 24px;
}

#contact .contact-form form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

#contact .contact-form .form-group {
    position: relative;
}

#contact .contact-form input,
#contact .contact-form textarea {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    font-family: var(--font-main);
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-main);
    transition: all var(--transition-fast);
}

#contact .contact-form input:focus,
#contact .contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 4px rgba(46, 125, 50, 0.1);
}

#contact .contact-form input::placeholder,
#contact .contact-form textarea::placeholder {
    color: var(--text-muted);
}

#contact .contact-form textarea {
    min-height: 140px;
    resize: vertical;
}

#contact .contact-form button[type="submit"] {
    background: var(--primary);
    color: white;
    padding: 18px 32px;
    font-size: 1rem;
    font-weight: 700;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-medium);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

#contact .contact-form button[type="submit"]:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-green-glow);
}

/* ========================================
   CTA SECTION
======================================== */
#cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

#cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 30%),
        radial-gradient(circle at 80% 50%, rgba(255,255,255,0.08) 0%, transparent 30%);
}

#cta .container {
    position: relative;
    z-index: 2;
}

#cta h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    color: white;
    margin-bottom: 16px;
}

#cta p {
    color: rgba(255,255,255,0.9);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

#cta .cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

#cta .btn-white {
    background: white;
    color: var(--primary);
    padding: 14px 28px;
    font-weight: 700;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-medium);
}

#cta .btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

/* ========================================
   FOOTER
======================================== */
footer {
    background: var(--text-primary);
    color: white;
    padding: 60px 0 30px;
}

footer .footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

footer .footer-brand .logo {
    margin-bottom: 20px;
}

footer .footer-brand .logo img {
    height: 50px;
}

footer .footer-brand p {
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
    line-height: 1.7;
}

footer h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: white;
}

footer ul {
    list-style: none;
}

footer ul li {
    margin-bottom: 12px;
}

footer ul li a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

footer ul li a:hover {
    color: var(--accent-light);
}

footer .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

footer .footer-bottom p {
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

footer .footer-bottom .social-links {
    display: flex;
    gap: 16px;
}

footer .footer-bottom .social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all var(--transition-fast);
}

footer .footer-bottom .social-links a:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

/* ========================================
   ANIMATIONS
======================================== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: all 0.8s ease;
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: all 0.8s ease;
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.8s ease;
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* Stagger delays for grid items */
.service-card:nth-child(1) { transition-delay: 0.1s; }
.service-card:nth-child(2) { transition-delay: 0.2s; }
.service-card:nth-child(3) { transition-delay: 0.3s; }
.service-card:nth-child(4) { transition-delay: 0.4s; }
.service-card:nth-child(5) { transition-delay: 0.5s; }
.service-card:nth-child(6) { transition-delay: 0.6s; }

/* Floating animation for decorative elements */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.float-animation {
    animation: float 3s ease-in-out infinite;
}

/* ========================================
   RESPONSIVE DESIGN
======================================== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px 0;
    }
    
    #about .about-content,
    #contact .contact-content {
        gap: 40px;
    }
    
    footer .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    header nav ul {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        gap: 0;
        box-shadow: var(--shadow-md);
        transform: translateY(-150%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-medium);
    }
    
    header nav ul.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    header nav ul li {
        width: 100%;
    }
    
    header nav ul li a {
        padding: 16px;
        text-align: center;
        border-radius: var(--radius-sm);
    }
    
    #hero .hero-content {
        padding: 20px;
    }
    
    #about .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    #about .about-image::before {
        display: none;
    }
    
    #mobile .mobile-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    #mobile .mobile-text {
        order: -1;
    }
    
    #mobile .app-buttons {
        justify-content: center;
    }
    
    #contact .contact-content {
        grid-template-columns: 1fr;
    }
    
    #contact .contact-info {
        padding: 30px;
    }
    
    #contact .contact-form {
        padding: 30px;
    }
    
    footer .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    footer .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .btn {
        padding: 14px 24px;
        font-size: 0.95rem;
    }
    
    .service-card {
        padding: 28px 20px;
    }
    
    #hero .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
}