:root {
    --color-primary: #008080;
    --color-primary-dark: #006666;
    --color-bg-light: #F5F5F5;
    --color-bg-white: #FFFFFF;
    --color-accent: #39FF14;
    --color-accent-hover: #32e612;
    --color-accent-text: #0b4f00;
    /* Darker green for text on lime background to ensure readable contrast */
    --color-text-dark: #111111;
    --color-text-muted: #666666;
    --color-border: #EAEAEA;

    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 32px;
    --radius-full: 9999px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);

    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --section-spacing: 100px;
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--color-text-dark);
    background-color: var(--color-bg-white);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--color-text-dark);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -1px;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.5px;
    text-align: center;
    margin-bottom: 3rem;
}

h3 {
    font-size: 1.5rem;
}

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

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

ul {
    list-style: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.section {
    padding: var(--section-spacing) 0;
}

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

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

.bg-primary p,
.bg-primary h2 {
    color: white;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    text-align: center;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-text-dark);
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(57, 255, 20, 0.3);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(57, 255, 20, 0.4);
}

.btn-secondary {
    background-color: white;
    color: var(--color-text-dark);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-text-dark);
    background-color: var(--color-bg-light);
}

.btn-outline {
    border: 2px solid white;
    color: white;
}

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

/* Header & Nav */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid transparent;
    transition: var(--transition);
    padding: 1.25rem 0;
}

.header.sticky {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo span {
    color: var(--color-accent);
    -webkit-text-stroke: 1px var(--color-text-dark);
    text-stroke: 1px var(--color-text-dark);
}

.nav ul {
    display: flex;
    gap: 2rem;
}

.nav a {
    font-weight: 500;
    color: var(--color-text-muted);
}

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

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--color-text-dark);
}

/* Animation Classes */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.delay-1 {
    transition-delay: 0.1s;
}

.delay-2 {
    transition-delay: 0.2s;
}

.delay-3 {
    transition-delay: 0.3s;
}

/* 1. Hero Section */
.hero {
    padding: calc(var(--section-spacing) + 80px) 0 var(--section-spacing);
    overflow: hidden;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 128, 128, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    z-index: -1;
}

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

.hero-content h1 {
    margin-bottom: 1.5rem;
}

.hero-content .subtext {
    font-size: 1.125rem;
    font-weight: 400;
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.trust-line {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.trust-line i {
    color: var(--color-primary);
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 280px;
    height: 580px;
    background: white;
    border: 12px solid #222;
    border-radius: 40px;
    position: relative;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    position: relative;
}

.phone-screen i.fa-id-badge {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--color-accent);
}

.card-tap {
    position: absolute;
    width: 180px;
    height: 110px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    top: 50%;
    left: -60px;
    transform: translateY(-50%) rotate(-15deg);
    box-shadow: var(--shadow-md);
    z-index: 10;
    display: flex;
    align-items: center;
    padding: 1rem;
    animation: tapAnim 4s infinite ease-in-out;
}

.card-tap::before {
    content: '\f2c2';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 2rem;
    color: var(--color-primary);
    margin-left: auto;
}

@keyframes tapAnim {

    0%,
    100% {
        transform: translateY(-50%) translateX(0) rotate(-15deg);
    }

    50% {
        transform: translateY(-50%) translateX(70px) rotate(-5deg);
    }
}

.transfer-pulse {
    position: absolute;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--color-accent);
    opacity: 0;
    animation: pulse 4s infinite;
    animation-delay: 2s;
}

@keyframes pulse {
    0% {
        transform: scale(0);
        opacity: 0.5;
    }

    100% {
        transform: scale(3);
        opacity: 0;
    }
}

/* 2. Trust Bar */
.trust-bar {
    padding: 4rem 0;
    background-color: var(--color-bg-white);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.trust-bar p {
    text-align: center;
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2rem;
}

.logos-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    opacity: 0.6;
    filter: grayscale(100%);
}

.logos-row i {
    font-size: 2.5rem;
    transition: var(--transition);
}

.logos-row i:hover {
    filter: grayscale(0%);
    opacity: 1;
    color: var(--color-primary);
}

/* 3. Problem Section */
.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.comparison-card {
    padding: 3rem;
    border-radius: var(--radius-lg);
}

.comparison-card h3 {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    font-size: 1.75rem;
}

.card-bad {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
}

.card-bad h3 i {
    color: #FF4136;
}

.card-good {
    background-color: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-lg);
}

.card-good h3 {
    color: white;
}

.card-good h3 i {
    color: var(--color-accent);
}

.card-good p {
    color: rgba(255, 255, 255, 0.9);
}

.compare-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
    font-size: 1.125rem;
}

.card-bad .compare-list li::before {
    content: '❌';
    font-size: 1.2rem;
}

.card-good .compare-list li::before {
    content: '✅';
    font-size: 1.2rem;
}

.card-good .compare-list li {
    color: white;
}

/* 4. How It Works */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    position: relative;
    text-align: center;
}

.step-item {
    position: relative;
    z-index: 2;
}

.step-icon {
    width: 80px;
    height: 80px;
    background-color: var(--color-bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--color-primary);
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.step-item:hover .step-icon {
    background-color: var(--color-primary);
    color: white;
    transform: scale(1.1);
}

.step-item h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

/* Arrows */
.steps-grid::after {
    content: '';
    position: absolute;
    top: 40px;
    left: 15%;
    right: 15%;
    height: 2px;
    background: dashed 2px var(--color-border);
    z-index: 1;
}

@media (max-width: 768px) {
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .steps-grid::after {
        display: none;
    }
}

/* 5. Core Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    # grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2.5rem 2rem;
    background: #f5f5f5;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(0, 128, 128, 0.1);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
}

/* 6. Product Showcase */
.showcase-slider {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--color-bg-light);
    /* padding: 4rem 2rem; */
    text-align: center;
}

.showcase-img {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.1));
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 4px solid #fff;
}

.showcase-img img {
    width: 100%;
    border-radius: calc(var(--radius-md) - 4px);
}

/* 7. Benefits Section */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.metric-card {
    text-align: center;
    padding: 2rem;
}

.metric-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.metric-text {
    font-weight: 500;
    color: var(--color-text-dark);
}

@media (max-width: 992px) {
    .metrics-grid {
        grid-template-columns: 1fr;
    }
}

/* 8. Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    align-items: center;
}

.pricing-card {
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: 3rem 2rem;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.pricing-card.highlight {
    background: var(--color-primary);
    color: white;
    border: none;
    box-shadow: var(--shadow-lg);
    transform: scale(1.05);
}

.pricing-card.highlight p,
.pricing-card.highlight h3,
.pricing-card.highlight .price {
    color: white;
}

.pricing-card.highlight .feature-list li {
    color: rgba(255, 255, 255, 0.9);
}

.pricing-card.highlight .feature-list li i {
    color: var(--color-accent);
}

.plan-name {
    font-size: 1.25rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.price {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.price span {
    font-size: 1rem;
    color: var(--color-text-muted);
    font-weight: 400;
    font-family: var(--font-body);
}

.pricing-desc {
    font-size: 0.875rem;
    margin-bottom: 2rem;
    min-height: 42px;
}

.feature-list {
    margin-bottom: 2.5rem;
    flex-grow: 1;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.feature-list li i {
    color: var(--color-primary);
}

.pricing-card .btn {
    width: 100%;
}

.pricing-card.highlight .btn {
    background-color: var(--color-accent);
    color: var(--color-text-dark);
}

@media (max-width: 992px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.highlight {
        transform: none;
    }
}

/* 9. Testimonials */
.testimonials-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.quote-icon {
    color: var(--color-primary);
    opacity: 0.2;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.testimonial-text {
    font-size: 1.125rem;
    font-style: italic;
    margin-bottom: 2rem;
    color: var(--color-text-dark);
}

.author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #ccc;
}

.author-info h4 {
    margin-bottom: 0;
    font-size: 1rem;
}

.author-info p {
    margin-bottom: 0;
    font-size: 0.875rem;
}

/* 10. Sustainability */
.sustainability-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.leaf-icon {
    font-size: 4rem;
    color: var(--color-accent);
    margin-bottom: 1rem;
    background: var(--color-primary);
    width: 100px;
    height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    box-shadow: 0 10px 20px rgba(0, 128, 128, 0.3);
}

.sus-title {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.sus-subtitle{
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: .5rem;
}

.sus-desc {
    font-size: 1rem;
    max-width: 600px;
}

/* 11. FAQ Section */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
    padding: 1.5rem 0;
    cursor: pointer;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--color-text-dark);
}

.faq-icon {
    transition: var(--transition);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding-top: 0;
    color: var(--color-text-muted);
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-top: 1rem;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
    color: var(--color-primary);
}

/* 12. Final CTA */
.final-cta {
    background-color: var(--color-text-dark);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.final-cta h2 {
    color: white;
    margin-bottom: 2rem;
    font-size: clamp(2rem, 4vw, 3.5rem);
}

.final-cta .btn-outline {
    border-color: rgba(255, 255, 255, 0.3);
}

.final-cta .btn-outline:hover {
    background: white;
    color: var(--color-text-dark);
}

/* 13. Footer */
.footer {
    background-color: var(--color-bg-light);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    margin-bottom: 1.5rem;
}

.footer-links h4 {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

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

.footer-links ul a {
    color: var(--color-text-muted);
    transition: var(--transition);
}

.footer-links ul a:hover {
    color: var(--color-primary);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        padding: 1.5rem 2rem;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-sm);
        display: none;
    }

    .nav.active {
        display: block;
    }

    .nav ul {
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
    }

    .header-cta {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content .subtext {
        margin: 0 auto 2.5rem;
    }

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

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

    .card-tap {
        display: none;
    }

    /* Hide complex animation on mobile for simplicity */
}