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

:root {
    --primary-green: #2D9B8A;
    --primary-blue: #4ECDC4;
    --secondary-green: #1E7A6B;
    --secondary-blue: #3A9B94;
    --dark-text: #1A202C;
    --light-text: #4A5568;
    --white: #FFFFFF;
    --light-bg: #F0F9F7;
    --gradient: linear-gradient(135deg, #2D9B8A 0%, #4ECDC4 100%);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--dark-text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.nav-brand h1 {
    font-size: 1.8rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

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

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

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

.btn-primary {
    background: var(--gradient);
    color: var(--white);
    padding: 0.6rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Hero Section */
.hero {
    padding: 4rem 0 6rem;
    background: linear-gradient(180deg, #E6F7F4 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

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

.hero-content {
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--dark-text);
}

.highlight {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--light-text);
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.btn {
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-large {
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--white);
    color: var(--secondary-green);
    border: 2px solid var(--secondary-green);
}

.btn-secondary:hover {
    background: var(--secondary-green);
    color: var(--white);
    transform: translateY(-3px);
}

/* Hero Image with Floating Cards */
.hero-image {
    position: relative;
    height: 500px;
}

.floating-card {
    position: absolute;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    padding: 1.5rem;
    animation: float 6s ease-in-out infinite;
}

.card-1 {
    top: 10%;
    left: 10%;
    width: 280px;
    animation-delay: 0s;
}

.card-2 {
    bottom: 10%;
    right: 10%;
    width: 200px;
    height: 350px;
    animation-delay: 2s;
    padding: 0;
    box-sizing: border-box;
}

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

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient);
}

.card-info {
    flex: 1;
}

.username {
    font-weight: 600;
    color: var(--dark-text);
}

.time {
    font-size: 0.875rem;
    color: var(--light-text);
}

.card-body {
    color: var(--dark-text);
    line-height: 1.6;
}

.story-preview {
    width: 100%;
    height: 100%;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

.story-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 12px;
}

.story-gradient {
    width: 100%;
    height: 100%;
    background: var(--gradient);
    opacity: 0.9;
}

.story-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--white);
    font-weight: 600;
    font-size: 1.2rem;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background: linear-gradient(180deg, var(--white) 0%, #F8FCFB 50%, var(--white) 100%);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-green), transparent);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--dark-text);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient);
    border-radius: 2px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    padding: 2.5rem;
    border-radius: 24px;
    background: var(--white);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
    text-align: left;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

.feature-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 20px 40px rgba(45, 155, 138, 0.15);
    border-color: var(--primary-green);
}

/* Large Card */
.feature-card-large {
    grid-column: span 2;
    background: var(--gradient);
    color: var(--white);
    text-align: center;
}

.feature-card-large h3,
.feature-card-large p {
    color: var(--white);
}

.feature-card-large .feature-icon-bg {
    background: rgba(255, 255, 255, 0.2);
}

/* Gradient Card */
.feature-card-gradient {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-blue) 100%);
}

/* Accent Card */
.feature-card-accent {
    background: linear-gradient(135deg, #E6F7F4 0%, var(--white) 100%);
    border: 2px solid var(--primary-green);
}

.feature-card-accent:hover {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-blue) 100%);
    color: var(--white);
}

.feature-card-accent:hover h3,
.feature-card-accent:hover p {
    color: var(--white);
}

/* Highlight Card */
.feature-card-highlight {
    background: var(--white);
    box-shadow: 0 8px 24px rgba(45, 155, 138, 0.1);
    border: 2px solid var(--primary-blue);
}

/* Stats Card */
.feature-card-stats {
    background: linear-gradient(135deg, #F0F9F7 0%, var(--white) 100%);
}

/* Border Card */
.feature-card-border {
    background: var(--white);
    border: 2px dashed var(--primary-green);
}

.feature-card-border:hover {
    border-style: solid;
    background: var(--light-bg);
}

/* Simple Card */
.feature-card-simple {
    background: var(--light-bg);
}

.feature-icon-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    margin-bottom: 1.5rem;
}

.feature-icon-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 18px;
    background: var(--gradient);
    opacity: 0.15;
    transform: rotate(-5deg);
    transition: all 0.4s ease;
}

.feature-card:hover .feature-icon-bg {
    transform: rotate(5deg) scale(1.1);
    opacity: 0.25;
}

.feature-icon-bg-accent {
    background: var(--primary-green);
    opacity: 0.1;
}

.feature-icon-bg-highlight {
    background: var(--primary-blue);
    opacity: 0.15;
}

.feature-icon {
    font-size: 2.5rem;
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    transition: transform 0.4s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.15) rotate(5deg);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-text);
    font-weight: 700;
    transition: color 0.3s ease;
}

.feature-card p {
    color: var(--light-text);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    transition: color 0.3s ease;
}

/* Feature Stats */
.feature-stats {
    display: flex;
    gap: 2rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.feature-card-stats .stat-number {
    color: var(--primary-green);
    font-size: 1.75rem;
}

.feature-card-stats .stat-label {
    color: var(--light-text);
}

.feature-card-stats .feature-stats {
    border-top: 1px solid rgba(45, 155, 138, 0.1);
    justify-content: space-around;
}

/* Platform Badges */
.platform-badges {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.badge {
    padding: 0.4rem 0.9rem;
    background: var(--gradient);
    color: var(--white);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Products Section */
.products {
    padding: 5rem 0;
    background: linear-gradient(180deg, var(--white) 0%, #E6F7F4 100%);
    position: relative;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--white);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

.product-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 20px 40px rgba(45, 155, 138, 0.15);
    border-color: var(--primary-green);
}

/* Featured Product Card */
.product-card-featured {
    background: var(--gradient);
    color: var(--white);
    border: 2px solid var(--primary-green);
    grid-column: span 2;
}

.product-card-featured h3,
.product-card-featured p,
.product-card-featured li {
    color: var(--white);
}

.product-card-featured .product-icon-bg {
    background: rgba(255, 255, 255, 0.2);
}

.product-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--white);
    color: var(--primary-green);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Accent Product Card */
.product-card-accent {
    background: linear-gradient(135deg, #E6F7F4 0%, var(--white) 100%);
    border: 2px solid var(--primary-green);
}

.product-card-accent:hover {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-blue) 100%);
    color: var(--white);
}

.product-card-accent:hover h3,
.product-card-accent:hover p,
.product-card-accent:hover li {
    color: var(--white);
}

/* Highlight Product Card */
.product-card-highlight {
    background: var(--white);
    box-shadow: 0 8px 24px rgba(45, 155, 138, 0.1);
    border: 2px solid var(--primary-blue);
}

/* Gradient Product Card */
.product-card-gradient {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-blue) 100%);
    color: var(--white);
}

.product-card-gradient h3,
.product-card-gradient p,
.product-card-gradient li {
    color: var(--white);
}

.product-card-gradient .product-icon-bg {
    background: rgba(255, 255, 255, 0.2);
}

/* Border Product Card */
.product-card-border {
    background: var(--white);
    border: 2px dashed var(--primary-green);
}

.product-card-border:hover {
    border-style: solid;
    background: var(--light-bg);
}

/* Simple Product Card */
.product-card-simple {
    background: var(--light-bg);
}

/* CTA Product Card */
.product-card-cta {
    background: linear-gradient(135deg, #F0F9F7 0%, var(--white) 100%);
    border: 2px solid var(--primary-green);
    text-align: center;
}

.product-card-cta:hover {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-blue) 100%);
    color: var(--white);
    border-color: var(--secondary-green);
}

.product-card-cta:hover h3,
.product-card-cta:hover p {
    color: var(--white);
}

.product-icon-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 0 1.5rem 0;
}

.product-icon-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 20px;
    background: var(--gradient);
    opacity: 0.15;
    transform: rotate(-5deg);
    transition: all 0.4s ease;
}

.product-card:hover .product-icon-bg {
    transform: rotate(5deg) scale(1.1);
    opacity: 0.25;
}

.product-icon-bg-accent {
    background: var(--primary-green);
    opacity: 0.1;
}

.product-icon-bg-highlight {
    background: var(--primary-blue);
    opacity: 0.15;
}

.product-icon {
    font-size: 2.5rem;
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    transition: transform 0.4s ease;
}

.product-card:hover .product-icon {
    transform: scale(1.15) rotate(5deg);
}

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-text);
    font-weight: 700;
    transition: color 0.3s ease;
}

.product-card p {
    color: var(--light-text);
    margin-bottom: 1.5rem;
    line-height: 1.8;
    flex: 1;
    transition: color 0.3s ease;
}

.product-features {
    list-style: none;
    margin-bottom: 2rem;
}

.product-features li {
    padding: 0.5rem 0;
    color: var(--dark-text);
    font-weight: 500;
    transition: color 0.3s ease;
}

.btn-product {
    background: var(--gradient);
    color: var(--white);
    text-align: center;
    padding: 0.875rem 1.5rem;
    border-radius: 25px;
    margin-top: auto;
    font-weight: 600;
    transition: all 0.3s ease;
}

.product-card-featured .btn-product,
.product-card-gradient .btn-product {
    background: var(--white);
    color: var(--primary-green);
}

.product-card-featured .btn-product:hover,
.product-card-gradient .btn-product:hover {
    background: var(--light-bg);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-product:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* CTA Section */
.cta {
    padding: 5rem 0;
    background: var(--gradient);
    text-align: center;
    color: var(--white);
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 1;
    font-weight: 500;
}

.cta .btn-primary {
    background: var(--white);
    color: var(--secondary-green);
    font-weight: 700;
}

.cta .btn-primary:hover {
    background: var(--light-bg);
    transform: translateY(-3px);
}

/* Footer */
.footer {
    background: var(--dark-text);
    color: var(--white);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--light-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary-blue);
}

.footer-section p {
    color: var(--light-text);
    line-height: 1.8;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--light-text);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-text);
    padding: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 999;
        gap: 1.5rem;
        align-items: flex-start;
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        padding: 0.75rem 0;
        font-size: 1rem;
        border-bottom: 1px solid var(--light-bg);
    }

    .nav-menu a.btn-primary {
        border: none;
        text-align: center;
        margin-top: 1rem;
    }

    .navbar {
        padding: 0.75rem 0;
    }

    .nav-brand h1 {
        font-size: 1.5rem;
    }

    .hero {
        padding: 2rem 0 4rem;
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2rem;
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .hero-image {
        height: 250px;
        margin-top: 1rem;
    }

    .floating-card {
        width: 180px !important;
        padding: 1rem;
    }

    .card-1 {
        top: 5%;
        left: 5%;
    }

    .card-2 {
        bottom: 5%;
        right: 5%;
        width: 200px;
        height: 350px;
        padding: 0;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        width: 100%;
    }

    .btn-large {
        width: 100%;
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.75rem;
        margin-bottom: 2rem;
    }

    .features {
        padding: 3rem 0;
    }

    .products {
        padding: 3rem 0;
    }

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

    .feature-card {
        padding: 1.5rem;
    }

    .feature-card-large {
        grid-column: span 1;
    }

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

    .product-card {
        padding: 1.5rem;
    }

    .product-card-featured {
        grid-column: span 1;
    }

    .cta {
        padding: 3rem 1rem;
    }

    .cta-content h2 {
        font-size: 1.75rem;
    }

    .cta-content p {
        font-size: 1rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

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

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

    .nav-brand h1 {
        font-size: 1.25rem;
    }

    .btn-primary {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .feature-card {
        padding: 1.25rem;
    }

    .product-card {
        padding: 1.25rem;
    }
}