/* ainudes.digital - Main Stylesheet */

/* Variables */
:root {
    --primary-color: #6A1B9A;
    --secondary-color: #9575CD;
    --accent-color: #4527A0;
    --text-color: #212121;
    --text-light: #757575;
    --bg-color: #ffffff;
    --bg-gradient: linear-gradient(135deg, #F3E5F5 0%, #EDE7F6 100%);
    --bg-dark: #1A1A2E;
    --border-radius: 10px;
    --box-shadow: 0 6px 18px rgba(106, 27, 154, 0.15);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

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

a:hover {
    color: var(--secondary-color);
}

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

/* Layout */
.grid {
    display: grid;
    gap: 2rem;
}

.flex {
    display: flex;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

/* Header Styles */
header {
    background-color: #fff;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: block;
}

.site-title {
    font-size: 1.5rem;
    margin-bottom: 0;
    color: var(--primary-color);
    font-weight: 700;
}

.nav-container {
    display: flex;
    align-items: center;
}

.main-nav {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
    margin: 5px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: var(--bg-gradient);
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 5rem;
    position: relative;
    overflow: hidden;
}

.hero-shape {
    position: absolute;
    z-index: 1;
}

.hero-shape-1 {
    top: -10%;
    right: -5%;
    width: 25vw;
    height: 25vw;
    background-color: rgba(149, 117, 205, 0.1);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: float 8s ease-in-out infinite;
}

.hero-shape-2 {
    bottom: -15%;
    left: -10%;
    width: 30vw;
    height: 30vw;
    background-color: rgba(106, 27, 154, 0.05);
    border-radius: 30% 70% 45% 55% / 55% 45% 55% 45%;
    animation: float 10s ease-in-out infinite;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-text {
    padding-right: 2rem;
}

.hero-title {
    font-size: 3.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-light);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.hero-image {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-illustration {
    width: 100%;
    max-width: 450px;
    filter: drop-shadow(0 10px 20px rgba(106, 27, 154, 0.15));
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.9rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    color: white;
    box-shadow: 0 4px 15px rgba(106, 27, 154, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(106, 27, 154, 0.4);
    color: white;
}

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

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

/* Section Styles */
section {
    padding: 6rem 0;
}

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

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

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* Feature Section */
.features {
    background-color: #f9f9f9;
    position: relative;
    overflow: hidden;
}

.feature-shape {
    position: absolute;
    opacity: 0.05;
    z-index: 1;
}

.feature-shape-1 {
    top: 10%;
    right: -5%;
    width: 20vw;
    height: 20vw;
    background-color: var(--primary-color);
    border-radius: 50%;
}

.feature-shape-2 {
    bottom: 5%;
    left: -10%;
    width: 35vw;
    height: 35vw;
    background-color: var(--accent-color);
    border-radius: 40% 60% 60% 40% / 40% 50% 50% 60%;
}

.features-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(106, 27, 154, 0.2);
}

.feature-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    z-index: -1;
    transition: var(--transition);
}

.feature-card:hover::after {
    width: 100%;
    opacity: 0.05;
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 1.5rem;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.feature-text {
    color: var(--text-light);
    margin-bottom: 0;
}

/* Process Section */
.process {
    background-color: #fff;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    counter-reset: step-counter;
}

.step-card {
    text-align: center;
    padding: 2.5rem 1.5rem;
    background-color: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    counter-increment: step-counter;
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(106, 27, 154, 0.15);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.step-number::before {
    content: counter(step-counter);
}

.step-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
}

.step-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.step-text {
    color: var(--text-light);
}

/* Gallery Section */
.gallery {
    background-color: #f9f9f9;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(106, 27, 154, 0.15);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(106, 27, 154, 0.8), rgba(106, 27, 154, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-item .btn {
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .btn {
    transform: translateY(0);
    opacity: 1;
}

/* FAQ Section */
.faq {
    background-color: #fff;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: #fff;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-question:hover {
    background-color: rgba(106, 27, 154, 0.03);
}

.faq-icon {
    width: 20px;
    height: 20px;
    transition: var(--transition);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-content {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-light);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-item.active .faq-answer {
    max-height: 1000px;
}

/* CTA Section */
.cta {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    color: white;
    text-align: center;
    padding: 5rem 0;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.5rem;
    color: white;
    margin-bottom: 1.5rem;
}

.cta-text {
    margin-bottom: 2rem;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
}

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

.cta .btn-primary:hover {
    background-color: rgba(255, 255, 255, 0.9);
}

/* Footer */
footer {
    background-color: var(--bg-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 5rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.footer-logo-icon {
    width: 40px;
    height: 40px;
}

.footer-logo-text {
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-text {
    margin-bottom: 1.5rem;
    max-width: 300px;
}

.footer-heading {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

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

.footer-divider {
    height: 1px;
    background-color: rgba(255, 255, 255, 0.1);
    margin: 2rem 0;
}

.copyright {
    text-align: center;
    font-size: 0.9rem;
}

.keywords {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
}

/* Animation */
@keyframes float {
    0% {
        transform: translateY(0) rotate(0);
    }
    50% {
        transform: translateY(-15px) rotate(5deg);
    }
    100% {
        transform: translateY(0) rotate(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* Responsive Styles */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        padding-right: 0;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-image {
        margin-top: 2rem;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        height: 100vh;
        background-color: white;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    }
    
    .main-nav.active {
        right: 0;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    section {
        padding: 4rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    html {
        font-size: 14px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 1rem;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-2 {
    margin-top: 2rem;
}

.mb-2 {
    margin-bottom: 2rem;
}