/* ======================================
   Lumiere Botanica - Premium LP Styles
   ====================================== */

/* CSS Variables */
:root {
    --color-base: #FDFBF7;
    --color-base-dark: #F5F2EB;
    --color-main: #8BA888;
    --color-main-light: #A8C4A5;
    --color-main-dark: #6B8A68;
    --color-accent: #C9A962;
    --color-accent-light: #E4D4A8;
    --color-dark: #2C3E2D;
    --color-gray: #B8B0A8;
    --color-gray-dark: #757068;
    --color-problem-bg: #F0EDE8;
    --color-white: #FFFFFF;

    --font-serif: 'EB Garamond', 'Noto Serif JP', serif;
    --font-gothic: 'Noto Serif JP', serif;

    --transition-base: 0.3s ease;
    --transition-slow: 0.6s ease;
}

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

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

body {
    font-family: var(--font-gothic);
    background-color: var(--color-base);
    color: var(--color-dark);
    line-height: 1.8;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Fade Animation */
.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;
}

.delay-4 {
    transition-delay: 0.4s;
}

/* ======================================
   Hero Section
   ====================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: 1;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom,
            rgba(253, 251, 247, 0.3) 0%,
            rgba(253, 251, 247, 0.7) 60%,
            rgba(253, 251, 247, 1) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 40px 20px;
    max-width: 700px;
}

.badges {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.badge {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    color: var(--color-white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(201, 169, 98, 0.3);
}

.hero h1 {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 5vw, 2.8rem);
    line-height: 1.6;
    margin-bottom: 30px;
    color: var(--color-dark);
    font-weight: 400;
}

.hero h1 .highlight {
    color: var(--color-main-dark);
    font-weight: 500;
}

.hero-product {
    margin-bottom: 30px;
}

.product-img {
    max-width: 280px;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.1));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* CTA Button */
.cta-btn {
    display: inline-block;
    padding: 18px 50px;
    background: linear-gradient(135deg, var(--color-main), var(--color-main-dark));
    color: var(--color-white);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    border-radius: 50px;
    box-shadow: 0 6px 20px rgba(139, 168, 136, 0.4);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(139, 168, 136, 0.5);
}

/* Shimmer Effect */
.shimmer::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.4),
            transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }

    100% {
        left: 100%;
    }
}

/* ======================================
   Problem Section
   ====================================== */
.problem-section {
    background: var(--color-problem-bg);
    padding: 100px 0;
}

.problem-section h2 {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 4vw, 2rem);
    text-align: center;
    margin-bottom: 50px;
    color: var(--color-gray-dark);
}

.problem-list {
    list-style: none;
    max-width: 500px;
    margin: 0 auto 40px;
}

.problem-list li {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--color-white);
    border-radius: 12px;
    margin-bottom: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.problem-icon {
    font-size: 1.5rem;
}

.problem-text {
    font-size: 1.1rem;
    color: var(--color-gray-dark);
}

.problem-conclusion {
    text-align: center;
    font-size: 1.2rem;
    color: var(--color-dark);
    padding: 30px;
    background: linear-gradient(135deg, var(--color-main-light), var(--color-main));
    color: var(--color-white);
    border-radius: 12px;
    max-width: 600px;
    margin: 0 auto;
}

.problem-conclusion strong {
    font-weight: 600;
}

/* ======================================
   Solution Section
   ====================================== */
.solution-section {
    padding: 100px 0;
    background: var(--color-base);
}

.solution-section h2 {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 4vw, 2rem);
    text-align: center;
    margin-bottom: 50px;
}

.solution-section h3 {
    font-family: var(--font-serif);
    font-size: clamp(1.3rem, 3vw, 1.6rem);
    text-align: center;
    margin: 60px 0 40px;
    color: var(--color-main-dark);
}

.cause-block {
    margin-bottom: 40px;
}

.cause-diagram {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}

.diagram-bad,
.diagram-good {
    text-align: center;
    padding: 30px;
    border-radius: 16px;
    min-width: 200px;
}

.diagram-bad {
    background: var(--color-problem-bg);
}

.diagram-good {
    background: linear-gradient(135deg, rgba(139, 168, 136, 0.1), rgba(139, 168, 136, 0.2));
    border: 2px solid var(--color-main);
}

.diagram-label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 16px;
    color: var(--color-gray-dark);
}

.hair-cross {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.hair-outer {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: var(--color-white);
    background: var(--color-gray);
}

.hair-outer.active {
    background: var(--color-main);
}

.hair-inner {
    position: absolute;
    width: 60%;
    height: 60%;
    top: 20%;
    left: 20%;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
}

.hair-inner.empty {
    background: var(--color-white);
    border: 2px dashed var(--color-gray);
    color: var(--color-gray);
}

.hair-inner.filled {
    background: var(--color-accent);
    color: var(--color-white);
}

.diagram-arrow {
    font-size: 2rem;
    color: var(--color-main);
}

/* Ingredients */
.ingredients {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 700px;
    margin: 0 auto;
}

.ingredient-card {
    background: var(--color-white);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    transition: transform var(--transition-base);
}

.ingredient-card:hover {
    transform: translateY(-5px);
}

.ingredient-img-wrap {
    width: 150px;
    height: 150px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--color-main-light);
}

.ingredient-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ingredient-card h4 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--color-main-dark);
}

.ingredient-card p {
    font-size: 0.95rem;
    color: var(--color-gray-dark);
    line-height: 1.7;
}

/* ======================================
   Product Section
   ====================================== */
.product-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--color-base-dark) 0%, var(--color-base) 100%);
}

.product-section h2 {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 4vw, 2rem);
    text-align: center;
    margin-bottom: 50px;
}

.sensory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.sensory-card {
    background: var(--color-white);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    transition: transform var(--transition-base);
}

.sensory-card:hover {
    transform: translateY(-5px);
}

.sensory-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.sensory-img {
    width: 100%;
    height: 150px;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
}

.sensory-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sensory-card h4 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--color-main-dark);
}

.sensory-card p {
    font-size: 0.95rem;
    color: var(--color-gray-dark);
    line-height: 1.7;
}

/* ======================================
   Review Section
   ====================================== */
.review-section {
    padding: 100px 0;
    background: var(--color-base);
}

.review-section h2 {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 4vw, 2rem);
    text-align: center;
    margin-bottom: 50px;
}

.review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.review-card {
    background: var(--color-white);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.review-stars {
    color: var(--color-accent);
    font-size: 1.2rem;
    margin-bottom: 16px;
}

.half-star {
    color: var(--color-gray);
}

.review-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-dark);
    margin-bottom: 20px;
}

.reviewer {
    display: flex;
    align-items: center;
    gap: 12px;
}

.reviewer-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-main-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.reviewer-info {
    display: flex;
    flex-direction: column;
}

.reviewer-age {
    font-size: 0.85rem;
    color: var(--color-gray-dark);
}

.reviewer-name {
    font-weight: 500;
    color: var(--color-dark);
}

/* ======================================
   FAQ Section
   ====================================== */
.faq-section {
    padding: 100px 0;
    background: var(--color-base-dark);
}

.faq-section h2 {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 4vw, 2rem);
    text-align: center;
    margin-bottom: 50px;
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-dark);
    cursor: pointer;
    transition: background var(--transition-base);
}

.faq-question:hover {
    background: rgba(139, 168, 136, 0.05);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--color-main);
    transition: transform var(--transition-base);
}

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

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

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 24px 20px;
    color: var(--color-gray-dark);
    line-height: 1.8;
}

/* ======================================
   Offer Section
   ====================================== */
.offer-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
    position: relative;
    overflow: hidden;
}

.offer-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: glow 10s linear infinite;
}

@keyframes glow {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.offer-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.offer-section h2 {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    color: var(--color-white);
    margin-bottom: 20px;
}

.offer-badge {
    display: inline-block;
    background: var(--color-white);
    color: var(--color-accent);
    padding: 8px 24px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 40px;
}

.offer-product {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 24px;
    padding: 40px;
    max-width: 500px;
    margin: 0 auto 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.offer-product img {
    max-width: 200px;
    height: auto;
}

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

.offer-details h3 {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.offer-includes {
    font-size: 0.9rem;
    color: var(--color-gray-dark);
    margin-bottom: 20px;
}

.price-block {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.original-price {
    font-size: 1rem;
    color: var(--color-gray);
    text-decoration: line-through;
}

.sale-price {
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--color-main-dark);
}

.sale-price small {
    font-size: 0.8rem;
    font-weight: 400;
}

.cta-btn-large {
    display: inline-block;
    padding: 22px 60px;
    background: linear-gradient(135deg, var(--color-main), var(--color-main-dark));
    color: var(--color-white);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 600;
    border-radius: 50px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.cta-btn-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

/* Pulse Animation */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    }

    50% {
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2), 0 0 0 15px rgba(139, 168, 136, 0.2);
    }

    100% {
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    }
}

.offer-benefits {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.offer-benefits li {
    color: var(--color-white);
    font-size: 0.95rem;
}

/* ======================================
   Footer
   ====================================== */
.site-footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: 60px 0 30px;
    text-align: center;
}

.footer-brand {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.footer-nav a {
    color: var(--color-gray);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color var(--transition-base);
}

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

.copyright {
    color: var(--color-gray);
    font-size: 0.8rem;
}

/* ======================================
   Floating CTA
   ====================================== */
.floating-cta {
    position: fixed;
    bottom: -100px;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    transition: bottom 0.4s ease;
}

.floating-cta.visible {
    bottom: 0;
}

.floating-cta-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    max-width: 400px;
    margin: 0 auto;
    padding: 14px 30px;
    background: linear-gradient(135deg, var(--color-main), var(--color-main-dark));
    color: var(--color-white);
    text-decoration: none;
    border-radius: 50px;
    transition: transform var(--transition-base);
}

.floating-cta-btn:hover {
    transform: scale(1.02);
}

.floating-price {
    font-size: 0.9rem;
    opacity: 0.9;
}

.floating-text {
    font-weight: 600;
    font-size: 1rem;
}

/* ======================================
   Form Section
   ====================================== */
.form-section {
    padding: 100px 0;
    background: var(--color-white);
}

.form-section h2 {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 4vw, 2rem);
    text-align: center;
    margin-bottom: 20px;
    color: var(--color-main-dark);
}

.form-note {
    text-align: center;
    color: #e74c3c;
    font-size: 0.9rem;
    margin-bottom: 40px;
}

.order-form {
    max-width: 600px;
    margin: 0 auto;
    padding: 40px;
    background: var(--color-base);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--color-dark);
}

.required {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-white);
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 8px;
    vertical-align: middle;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-base);
    background: var(--color-white);
}

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

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 30px 0;
}

.checkbox-group input {
    width: auto;
}

.checkbox-group a {
    color: var(--color-main-dark);
    text-decoration: underline;
}

.submit-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    color: var(--color-white);
    border: none;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    box-shadow: 0 4px 15px rgba(201, 169, 98, 0.4);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(201, 169, 98, 0.5);
}

.submit-btn:disabled {
    background: var(--color-gray);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

@media (max-width: 768px) {
    .order-form {
        padding: 24px;
        margin: 0 16px;
    }
}

/* ======================================
   Responsive
   ====================================== */
@media (max-width: 768px) {
    .hero-content {
        padding: 80px 20px 40px;
    }

    .product-img {
        max-width: 200px;
    }

    .cta-btn {
        padding: 16px 40px;
        font-size: 1rem;
    }

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

    .diagram-arrow {
        transform: rotate(90deg);
    }

    .offer-product {
        padding: 30px 20px;
    }

    .offer-benefits {
        flex-direction: column;
        gap: 12px;
    }

    .footer-nav {
        flex-direction: column;
        gap: 12px;
    }

    .floating-cta-btn {
        flex-direction: column;
        gap: 4px;
        padding: 12px 20px;
    }
}

@media (min-width: 769px) {
    .offer-product {
        flex-direction: row;
        text-align: left;
    }

    .offer-details {
        text-align: left;
    }
}