/* ============================================
   VIVA eCARDS - Eco-Tech Modern Design
   ============================================ */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

/* CSS Variables */
:root {
    /* Primary Colors - Eco Tech Palette */
    --primary-dark: #064e3b;
    --primary-green: #10b981;
    --primary-teal: #34d399;
    --accent-mint: #a7f3d0;
    --accent-light: #d1fae5;

    /* Neutral Colors */
    --bg-light: #f0fdf4;
    --bg-white: #ffffff;
    --text-dark: #1f2937;
    --text-gray: #4b5563;
    --text-light: #6b7280;

    /* Effects */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(16, 185, 129, 0.2);
    --shadow-soft: 0 10px 25px -5px rgba(16, 185, 129, 0.15);
    --shadow-hover: 0 20px 40px -5px rgba(16, 185, 129, 0.25);
    --gradient-hero: linear-gradient(135deg, #064e3b 0%, #10b981 50%, #34d399 100%);
    --gradient-button: linear-gradient(135deg, #10b981 0%, #34d399 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Animated Background */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.bg-animation::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(circle at 20% 80%, rgba(16, 185, 129, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(52, 211, 153, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(6, 78, 59, 0.05) 0%, transparent 40%);
    animation: bgFloat 20s ease-in-out infinite;
}

@keyframes bgFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(2%, 2%) rotate(1deg); }
    66% { transform: translate(-1%, 1%) rotate(-1deg); }
}

/* Floating Particles */
.particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--primary-green);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 15s infinite;
}

.particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; top: 80%; animation-delay: 2s; }
.particle:nth-child(3) { left: 60%; top: 10%; animation-delay: 4s; }
.particle:nth-child(4) { left: 80%; top: 70%; animation-delay: 6s; }
.particle:nth-child(5) { left: 90%; top: 30%; animation-delay: 8s; }

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.3; }
    50% { transform: translateY(-30px) scale(1.2); opacity: 0.6; }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-soft);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Outfit', sans-serif;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-dark);
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-button);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-button);
    transition: width 0.3s ease;
}

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

.nav-links a:hover::after {
    width: 100%;
}

.nav-buttons {
    display: flex;
    gap: 1rem;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-ghost {
    background: transparent;
    color: var(--primary-dark);
    border: 2px solid var(--primary-green);
}

.btn-ghost:hover {
    background: var(--primary-green);
    color: white;
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--gradient-button);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 6rem 2rem 4rem;
    position: relative;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--accent-light);
    color: var(--primary-dark);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-badge span {
    width: 8px;
    height: 8px;
    background: var(--primary-green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
}

.hero h1 span {
    background: var(--gradient-button);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-family: 'Outfit', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    animation: fadeInRight 0.8s ease-out 0.2s both;
}

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

.hero-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: var(--shadow-soft);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.5s ease;
}

.hero-card:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.card-mockup {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-green));
    border-radius: 16px;
    padding: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.card-mockup::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.card-avatar {
    width: 60px;
    height: 60px;
    background: var(--accent-mint);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.card-qr {
    width: 50px;
    height: 50px;
    background: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-name {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.card-title {
    font-size: 0.85rem;
    opacity: 0.8;
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

.floating-icon {
    position: absolute;
    background: white;
    border-radius: 12px;
    padding: 0.75rem;
    box-shadow: var(--shadow-soft);
    animation: floatIcon 6s ease-in-out infinite;
}

.floating-icon:nth-child(1) { top: -20px; right: 20%; animation-delay: 0s; }
.floating-icon:nth-child(2) { bottom: 20%; left: -10%; animation-delay: 2s; }
.floating-icon:nth-child(3) { top: 40%; right: -5%; animation-delay: 4s; }

@keyframes floatIcon {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* Sections */
.section {
    padding: 5rem 2rem;
}

.section-light {
    background: var(--bg-white);
}

.section-pattern {
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.section-pattern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 25% 25%, rgba(16, 185, 129, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(52, 211, 153, 0.03) 0%, transparent 50%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    background: var(--accent-light);
    color: var(--primary-green);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title {
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

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

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-green);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-light), var(--accent-mint));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.feature-card h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* Impact Stats */
.impact-section {
    background: var(--primary-dark);
    padding: 4rem 2rem;
    position: relative;
    overflow: hidden;
}

.impact-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(circle at 30% 70%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(52, 211, 153, 0.1) 0%, transparent 50%);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.impact-item {
    text-align: center;
    color: white;
}

.impact-number {
    font-family: 'Outfit', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-button);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.impact-label {
    font-size: 1rem;
    opacity: 0.9;
    margin-top: 0.5rem;
}

/* How It Works */
.steps-container {
    max-width: 800px;
    margin: 0 auto;
}

.step-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.step-item:not(:last-child)::before {
    content: '';
    position: absolute;
    left: 28px;
    top: 60px;
    width: 2px;
    height: calc(100% + 1rem);
    background: linear-gradient(to bottom, var(--primary-green), var(--accent-mint));
}

.step-number {
    width: 56px;
    height: 56px;
    background: var(--gradient-button);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.step-content h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--text-gray);
}

/* Content Sections */
.content-section {
    padding: 4rem 2rem;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.content-text h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
}

.content-text p {
    color: var(--text-gray);
    font-size: 1.05rem;
    margin-bottom: 1rem;
}

.content-visual {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 3rem;
    text-align: center;
}

.eco-icon-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.eco-stat {
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 16px;
    text-align: center;
}

.eco-stat-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.eco-stat-value {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.eco-stat-label {
    font-size: 0.85rem;
    color: var(--text-gray);
}

/* FAQ Section */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
}

.faq-item h4 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 0.75rem;
}

.faq-item p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* Contact Section */
.contact-wrapper {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 3rem;
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-wrapper h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.contact-wrapper p {
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-green);
    font-weight: 600;
    text-decoration: none;
    padding: 1rem 2rem;
    background: var(--accent-light);
    border-radius: 50px;
    transition: all 0.3s ease;
}

.contact-email:hover {
    background: var(--primary-green);
    color: white;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: var(--primary-dark);
    color: white;
    padding: 4rem 2rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-brand p {
    opacity: 0.8;
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-column h4 {
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

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

.footer-column ul li {
    margin-bottom: 0.75rem;
}

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    opacity: 0.7;
}

.footer-made {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        order: 1;
    }

    .hero-visual {
        order: 2;
    }

    .hero-description {
        margin: 0 auto 2rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .impact-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem;
    }

    .nav-links {
        display: none;
    }

    .hero {
        padding: 5rem 1.5rem 3rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .impact-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .content-grid {
        grid-template-columns: 1fr;
    }

    .faq-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        max-width: 100%;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
    }

    
}

/* Utility Classes */
.text-center { text-align: center; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }