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

/* Selection Styling */
::selection {
    background: linear-gradient(135deg, var(--primary-green), var(--accent-green));
    color: var(--white);
}

::-moz-selection {
    background: linear-gradient(135deg, var(--primary-green), var(--accent-green));
    color: var(--white);
}

:root {
    --primary-green: #4CAF50;
    --dark-green: #2E7D32;
    --light-green: #81C784;
    --accent-green: #66BB6A;
    --background: #FAFAFA;
    --grid-background: #F5F5F5;
    --text-dark: #1A1A1A;
    --text-light: #666666;
    --white: #FFFFFF;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.15);
    --orange: #FF9800;
    --blue: #42A5F5;
    --purple: #9C27B0;
    --coral: #FF6B6B;
}

html {
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--background);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-green), var(--accent-green));
    border-radius: 6px;
    border: 2px solid var(--background);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--accent-green), var(--orange));
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background);
    overflow-x: hidden;
}

/* Grid Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 0, 0, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.02) 1px, transparent 1px);
    background-size: 20px 20px;
    pointer-events: none;
    z-index: -1;
}

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

/* ===========================
   Navigation
   =========================== */
.navbar {
    background: var(--white);
    box-shadow: 0 2px 10px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 24px;
    color: var(--primary-green);
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-weight: 800;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 15px;
}

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

.nav-cta {
    padding: 8px 16px;
    background: var(--light-green);
    border-radius: 6px;
    color: var(--white) !important;
    font-weight: 600;
}

.btn-primary-nav {
    padding: 10px 24px;
    background: var(--primary-green);
    color: var(--white) !important;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary-nav {
    position: relative;
    overflow: hidden;
}

.btn-primary-nav::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary-nav:hover {
    background: var(--dark-green);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

.btn-primary-nav:hover::before {
    left: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    padding: 80px 0 120px;
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.05) 0%, rgba(129, 199, 132, 0.05) 100%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease;
    position: relative;
    z-index: 1;
}

.hero-content > * {
    animation: fadeInUp 0.8s ease;
    animation-fill-mode: both;
}

.hero-content > *:nth-child(1) { animation-delay: 0.1s; }
.hero-content > *:nth-child(2) { animation-delay: 0.2s; }
.hero-content > *:nth-child(3) { animation-delay: 0.3s; }
.hero-content > *:nth-child(4) { animation-delay: 0.4s; }

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.highlight {
    color: var(--primary-green);
    position: relative;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
}

.btn-primary, .btn-secondary {
    padding: 14px 32px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    font-size: 16px;
}

.btn-primary {
    background: var(--primary-green);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

.btn-primary:hover {
    background: var(--dark-green);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-green), var(--accent-green));
    transition: width 0.4s ease;
    z-index: -1;
}

.btn-secondary:hover::before {
    width: 100%;
}

.btn-secondary:hover {
    color: var(--white);
    border-color: var(--accent-green);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.3);
}

.btn-secondary > * {
    position: relative;
    z-index: 1;
}

.btn-large {
    padding: 16px 36px;
    font-size: 17px;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary-green);
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
    animation: fadeIn 1s ease 0.3s both;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Focus States for Accessibility */
button:focus-visible,
a:focus-visible {
    outline: 3px solid rgba(76, 175, 80, 0.5);
    outline-offset: 2px;
    border-radius: 4px;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: linear-gradient(135deg, var(--primary-green), var(--accent-green), var(--blue));
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 30px 80px rgba(76, 175, 80, 0.3), 
                0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    position: relative;
    animation: float 3s ease-in-out infinite;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(255, 167, 38, 0.4) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite;
}

.mockup-screen {
    width: 100%;
    height: 100%;
    background: var(--white);
    border-radius: 32px;
    background-image: url("hero-image.png");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.05) inset;
}

/* ===========================
   Features Section
   =========================== */
.features {
    padding: 100px 0;
    background: var(--white);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(66, 165, 245, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    bottom: 10%;
    right: 5%;
    pointer-events: none;
    animation: float 10s ease-in-out infinite;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 16px;
    color: var(--text-dark);
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-green), var(--accent-green), var(--orange));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 64px;
    font-weight: 400;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    padding: 36px;
    background: var(--white);
    border-radius: 20px;
    border: 2px solid transparent;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-green), var(--accent-green), var(--orange));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.feature-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(76, 175, 80, 0.05) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
    border-radius: 50%;
    z-index: 0;
}

.feature-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 20px 40px rgba(76, 175, 80, 0.15);
    border-color: rgba(76, 175, 80, 0.2);
}

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

.feature-card:hover::after {
    width: 400px;
    height: 400px;
}

.feature-card > * {
    position: relative;
    z-index: 1;
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-green), var(--accent-green));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--white);
    position: relative;
    box-shadow: 0 8px 20px rgba(76, 175, 80, 0.25);
    transition: all 0.4s ease;
}

.feature-icon::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--primary-green), var(--accent-green), var(--orange));
    border-radius: 18px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-card:hover .feature-icon {
    transform: rotate(-10deg) scale(1.1);
    box-shadow: 0 12px 30px rgba(76, 175, 80, 0.4);
}

.feature-card:hover .feature-icon::before {
    opacity: 1;
}

.feature-card:nth-child(2) .feature-icon {
    background: linear-gradient(135deg, var(--blue), #64B5F6);
}

.feature-card:nth-child(3) .feature-icon {
    background: linear-gradient(135deg, var(--orange), #FFB74D);
}

.feature-card:nth-child(4) .feature-icon {
    background: linear-gradient(135deg, var(--purple), #CE93D8);
}

.feature-card:nth-child(5) .feature-icon {
    background: linear-gradient(135deg, var(--coral), #FF8A80);
}

.feature-card:nth-child(6) .feature-icon {
    background: linear-gradient(135deg, #26A69A, #4DB6AC);
}

.feature-icon svg {
    width: 30px;
    height: 30px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

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

/* ===========================
   How It Works Section
   =========================== */
.how-it-works {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.03) 0%, rgba(129, 199, 132, 0.03) 100%);
    position: relative;
    overflow: hidden;
}

.how-it-works::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 107, 107, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    top: 20%;
    left: -100px;
    pointer-events: none;
    animation: pulse 12s ease-in-out infinite;
}

.steps {
    max-width: 900px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 32px;
    margin-bottom: 48px;
    align-items: flex-start;
    transition: transform 0.3s ease;
    padding: 24px;
    border-radius: 16px;
}

.step:hover {
    transform: translateX(10px);
    background: rgba(255, 255, 255, 0.5);
}

.step-number {
    font-size: 72px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-green), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.25;
    min-width: 80px;
    line-height: 1;
    position: relative;
}

.step-number::after {
    content: '';
    position: absolute;
    right: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 60%;
    background: linear-gradient(180deg, var(--primary-green), var(--orange));
    border-radius: 2px;
}

.step-content h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
    position: relative;
    display: inline-block;
}

.step-content h3::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-green), var(--orange));
    border-radius: 2px;
}

.step-content p {
    font-size: 17px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ===========================
   CTA Section
   =========================== */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-green), var(--accent-green), var(--blue));
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    top: -250px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.cta-section::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 167, 38, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    bottom: -150px;
    left: -50px;
    animation: pulse 6s ease-in-out infinite;
}

.cta-container {
    position: relative;
    z-index: 1;
}

.cta-container h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.cta-container p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.95;
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.1);
}

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

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

.cta-section .btn-primary:hover {
    background: var(--background);
}

.cta-section .btn-secondary {
    border-color: var(--white);
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.cta-section .btn-secondary:hover {
    background: var(--white);
    color: var(--primary-green);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: linear-gradient(135deg, #1A1A1A, #2D2D2D);
    color: var(--white);
    padding: 60px 0 0;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-green), var(--accent-green), var(--orange), var(--blue));
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-logo .logo-img {
    height: 36px;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--white);
}

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

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 14px;
}

.footer-section ul li a {
    position: relative;
    display: inline-block;
}

.footer-section ul li a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-green), var(--accent-green));
    transition: width 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-green);
}

.footer-section ul li a:hover::after {
    width: 100%;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

/* ===========================
   Responsive Design
   =========================== */

/* Tablet */
@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 44px;
    }
    
    .hero-image {
        order: -1;
    }
    
    .phone-mockup {
        width: 250px;
        height: 500px;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    
    .section-title {
        font-size: 36px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 4px 10px var(--shadow);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all 0.3s ease;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .hero {
        padding: 60px 0 80px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        gap: 24px;
        flex-wrap: wrap;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .section-subtitle {
        font-size: 16px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .step {
        flex-direction: column;
        gap: 16px;
    }
    
    .step-number {
        font-size: 36px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-container h2 {
        font-size: 32px;
    }
    
    .cta-container p {
        font-size: 17px;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        text-align: center;
    }
    
    .phone-mockup {
        width: 200px;
        height: 400px;
    }
}