:root {
    --primary-pink: #F3B6CC;
    --secondary-lavender: #D8C8F0;
    --cream-white: #FBF7F9;
    --accent-purple: #9A6BC1;
    --rose-gold: #D1A3B8;
    --text-dark: #4A4A4A;
    --text-light: #6A6A6A;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --border-radius: 1.5rem;
    --border-radius-sm: 0.75rem;
    --font-heading: 'Georgia', 'Times New Roman', serif;
    --font-body: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background-color: var(--cream-white);
    line-height: 1.6;
    font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.3;
    color: var(--accent-purple);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-sm);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    margin-bottom: var(--spacing-xs);
}

a {
    color: var(--accent-purple);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--rose-gold);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

header {
    background-color: var(--cream-white);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(154, 107, 193, 0.1);
    overflow-x: hidden;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    gap: var(--spacing-md);
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--accent-purple);
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-sm);
    flex-wrap: nowrap;
    align-items: center;
    flex-shrink: 0;
}

.nav-menu a {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    transition: background-color 0.3s ease;
    white-space: nowrap;
    font-size: 0.95rem;
}

.nav-menu a:hover {
    background-color: var(--primary-pink);
    color: var(--text-dark);
}

.burger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.burger span {
    width: 25px;
    height: 3px;
    background-color: var(--accent-purple);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.hero {
    background: linear-gradient(135deg, var(--primary-pink) 0%, var(--secondary-lavender) 100%);
    padding: var(--spacing-xl) var(--spacing-sm);
    text-align: center;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    margin-bottom: var(--spacing-xl);
}

.hero h1 {
    color: var(--cream-white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.hero p {
    color: var(--cream-white);
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto;
}

.section {
    padding: var(--spacing-xl) var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.section-alt {
    background-color: var(--secondary-lavender);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl) var(--spacing-sm);
}

.card {
    background-color: var(--cream-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px rgba(154, 107, 193, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: var(--spacing-md);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(154, 107, 193, 0.25);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.card-stacked {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.card-stacked .card {
    margin-left: 0;
    margin-right: 0;
}

.card-stacked .card:nth-child(2) {
    margin-left: var(--spacing-md);
}

.card-stacked .card:nth-child(3) {
    margin-left: calc(var(--spacing-md) * 2);
}

.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.split-layout img {
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px rgba(154, 107, 193, 0.2);
}

.diagram-blocks {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.diagram-block {
    background: linear-gradient(135deg, var(--primary-pink), var(--secondary-lavender));
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
    color: var(--cream-white);
    min-height: 150px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.palette-scroll {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    padding: var(--spacing-md) 0;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

.palette-scroll::-webkit-scrollbar {
    height: 8px;
}

.palette-scroll::-webkit-scrollbar-track {
    background: var(--cream-white);
    border-radius: 4px;
}

.palette-scroll::-webkit-scrollbar-thumb {
    background: var(--primary-pink);
    border-radius: 4px;
}

.palette-item {
    min-width: 200px;
    height: 250px;
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-md);
    color: var(--text-dark);
    scroll-snap-align: start;
    box-shadow: 0 4px 15px rgba(154, 107, 193, 0.15);
}

.palette-item:nth-child(1) {
    background-color: var(--primary-pink);
}

.palette-item:nth-child(2) {
    background-color: var(--secondary-lavender);
}

.palette-item:nth-child(3) {
    background-color: var(--accent-purple);
    color: var(--cream-white);
}

.palette-item:nth-child(4) {
    background-color: var(--rose-gold);
}

.palette-item:nth-child(5) {
    background-color: var(--cream-white);
    border: 2px solid var(--primary-pink);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.gallery-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(154, 107, 193, 0.15);
    transition: transform 0.3s ease;
}

.gallery-item:nth-child(odd) {
    transform: rotate(-1deg);
}

.gallery-item:nth-child(even) {
    transform: rotate(1deg);
}

.gallery-item:hover {
    transform: rotate(0deg) scale(1.05);
    z-index: 10;
    position: relative;
}

.gallery-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.contact-invitation {
    background-color: var(--cream-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    text-align: center;
    margin-top: var(--spacing-xl);
}

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-pink), var(--secondary-lavender));
    color: var(--text-dark);
    border-radius: var(--border-radius-sm);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(154, 107, 193, 0.3);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--secondary-lavender);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-purple);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-top: 4px;
}

.step-list {
    list-style: none;
    counter-reset: step-counter;
}

.step-list li {
    counter-increment: step-counter;
    margin-bottom: var(--spacing-lg);
    padding-left: calc(var(--spacing-md) * 2);
    position: relative;
}

.step-list li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-pink), var(--secondary-lavender));
    color: var(--cream-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.25rem;
}

.vertical-story {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.story-block {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.story-block:nth-child(even) {
    grid-template-columns: 2fr 1fr;
}

.story-block img {
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px rgba(154, 107, 193, 0.2);
}

.modular-blocks {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.modular-block {
    background-color: var(--cream-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-pink);
    box-shadow: 0 2px 10px rgba(154, 107, 193, 0.1);
}

.palette-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.palette-card {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    color: var(--text-dark);
    box-shadow: 0 4px 15px rgba(154, 107, 193, 0.15);
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-pink), var(--secondary-lavender));
    color: var(--text-dark);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 15px rgba(154, 107, 193, 0.3);
    z-index: 999;
    transition: transform 0.3s ease;
}

.back-to-top:hover {
    transform: scale(1.1);
}

.back-to-top.show {
    display: flex;
}

footer {
    background-color: var(--accent-purple);
    color: var(--cream-white);
    padding: var(--spacing-xl) var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

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

.footer-section h3 {
    color: var(--cream-white);
    margin-bottom: var(--spacing-sm);
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: var(--cream-white);
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.footer-section a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: var(--spacing-md);
}

.icon-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.icon-feature {
    text-align: center;
    padding: var(--spacing-md);
}

.icon-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-pink), var(--secondary-lavender));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto var(--spacing-sm);
    box-shadow: 0 4px 15px rgba(154, 107, 193, 0.2);
}

.zigzag-layout {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.zigzag-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.zigzag-item:nth-child(even) {
    grid-template-columns: 1fr 1fr;
}

.zigzag-item:nth-child(even) .zigzag-content {
    order: 2;
}

    .zigzag-item:nth-child(even) .zigzag-image {
        order: 1;
    }

    .zigzag-item {
        grid-template-columns: 1fr;
    }

    .zigzag-item:nth-child(even) {
        grid-template-columns: 1fr;
    }

    .zigzag-item:nth-child(even) .zigzag-content {
        order: 1;
    }

    .zigzag-item:nth-child(even) .zigzag-image {
        order: 2;
    }

    .feature-showcase {
        grid-template-columns: 1fr;
    }

.zigzag-content {
    padding: var(--spacing-md);
}

.zigzag-image img {
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px rgba(154, 107, 193, 0.2);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.benefit-card {
    background-color: var(--cream-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: 0 4px 15px rgba(154, 107, 193, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid var(--primary-pink);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(154, 107, 193, 0.25);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.feature-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.feature-showcase-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(154, 107, 193, 0.15);
    min-height: 250px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-pink), var(--secondary-lavender));
    color: var(--cream-white);
}

.feature-showcase-item h3 {
    color: var(--cream-white);
    margin-bottom: var(--spacing-xs);
}

@media (max-width: 768px) {
    nav {
        flex-wrap: wrap;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        margin-top: var(--spacing-sm);
        gap: var(--spacing-xs);
    }

    .nav-menu.active {
        display: flex;
    }

    .burger {
        display: flex;
    }

    .logo {
        font-size: 1.25rem;
    }

    .split-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .story-block {
        grid-template-columns: 1fr !important;
    }

    .story-block:nth-child(even) {
        grid-template-columns: 1fr !important;
    }

    .card-stacked .card {
        margin-left: 0 !important;
    }

    h1 {
        font-size: 2rem;
        margin-bottom: var(--spacing-sm);
    }

    h2 {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-sm);
    }

    h3 {
        font-size: 1.25rem;
    }

    .section {
        padding: var(--spacing-md) var(--spacing-sm);
        margin-bottom: var(--spacing-md);
    }

    .hero {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .hero p {
        font-size: 1.1rem;
    }

    .card-grid,
    .gallery-grid,
    .modular-blocks,
    .palette-layout,
    .diagram-blocks {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--spacing-sm);
    }

    .palette-scroll {
        gap: var(--spacing-sm);
    }

    .palette-item {
        min-width: 180px;
        height: 220px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
        font-size: 1.25rem;
    }

    .contact-invitation {
        padding: var(--spacing-lg);
    }

    .btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.9rem;
    }
}

@media (max-width: 320px) {
    .container {
        padding: 0 var(--spacing-xs);
    }

    .logo {
        font-size: 1rem;
    }

    .nav-menu {
        gap: var(--spacing-xs);
    }

    .nav-menu a {
        padding: var(--spacing-xs);
        font-size: 0.9rem;
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.25rem;
    }

    h3 {
        font-size: 1.1rem;
    }

    .card-grid,
    .gallery-grid,
    .modular-blocks,
    .palette-layout,
    .diagram-blocks,
    .icon-features,
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    header {
        padding: var(--spacing-xs) 0;
    }

    .logo {
        font-size: 0.9rem;
    }

    nav {
        gap: var(--spacing-xs);
    }

    .burger span {
        width: 20px;
        height: 2px;
    }

    body {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    .icon-circle {
        width: 50px;
        height: 50px;
        font-size: 1.75rem;
        margin-bottom: var(--spacing-xs);
    }

    .card {
        padding: var(--spacing-sm);
        margin-bottom: var(--spacing-sm);
    }

    .section {
        padding: var(--spacing-sm) var(--spacing-xs);
        margin-bottom: var(--spacing-md);
    }

    .section-alt {
        padding: var(--spacing-sm) var(--spacing-xs);
    }

    .hero {
        padding: var(--spacing-md) var(--spacing-xs);
        margin-bottom: var(--spacing-md);
    }

    .hero h1 {
        font-size: 1.5rem;
    }

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

    .palette-item {
        min-width: 100%;
        height: 180px;
        padding: var(--spacing-sm);
    }

    .gallery-item {
        margin-bottom: var(--spacing-sm);
    }

    .gallery-item img {
        height: 200px;
    }

    .split-layout {
        gap: var(--spacing-sm);
    }

    .split-layout img {
        margin-bottom: var(--spacing-sm);
    }

    .zigzag-item {
        gap: var(--spacing-sm);
    }

    .zigzag-content {
        padding: var(--spacing-sm);
    }

    .zigzag-image img {
        width: 100%;
        height: auto;
    }

    .icon-feature {
        padding: var(--spacing-sm);
    }

    .benefit-icon {
        font-size: 2rem;
        margin-bottom: var(--spacing-xs);
    }

    .benefit-card {
        padding: var(--spacing-sm);
    }

    .feature-showcase-item {
        min-height: 200px;
        padding: var(--spacing-sm);
    }

    .feature-showcase {
        grid-template-columns: 1fr;
    }

    .diagram-block {
        padding: var(--spacing-sm);
        min-height: 120px;
    }

    .modular-block {
        padding: var(--spacing-sm);
    }

    .palette-card {
        padding: var(--spacing-sm);
        min-height: 150px;
    }

    .contact-invitation {
        padding: var(--spacing-md);
    }

    .footer-content {
        gap: var(--spacing-sm);
    }

    .footer-section {
        margin-bottom: var(--spacing-sm);
    }

    .footer-section h3 {
        font-size: 1rem;
        margin-bottom: var(--spacing-xs);
    }

    .footer-section p,
    .footer-section a {
        font-size: 0.85rem;
    }

    .back-to-top {
        width: 35px;
        height: 35px;
        bottom: 15px;
        right: 15px;
        font-size: 1rem;
    }

    .btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8rem;
        width: 100%;
        text-align: center;
    }

    .form-group {
        margin-bottom: var(--spacing-sm);
    }

    .form-group label {
        font-size: 0.85rem;
        margin-bottom: var(--spacing-xs);
    }

    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 0.85rem;
        padding: var(--spacing-xs);
    }

    .form-group textarea {
        min-height: 120px;
    }

    .checkbox-group {
        font-size: 0.8rem;
    }

    .step-list li {
        margin-bottom: var(--spacing-md);
        padding-left: calc(var(--spacing-sm) * 2);
    }

    .step-list li::before {
        width: 30px;
        height: 30px;
        font-size: 1rem;
    }

    .story-block {
        gap: var(--spacing-sm);
    }

    .story-block img {
        width: 100%;
        height: auto;
    }

    .card-stacked .card {
        margin-left: 0 !important;
    }

    .palette-scroll {
        gap: var(--spacing-xs);
        padding: var(--spacing-sm) 0;
    }
}