/* ===================================
   HyHy Spa - Luxury Spa Website
   Design: Soft Elegance with Gold Accents
   =================================== */

/* CSS Variables */
:root {
    /* Colors */
    --cream-light: #FDF8F3;
    --cream: #F8F0E8;
    --cream-dark: #EDE4D8;
    --gold-primary: #C9A66B;
    --gold-dark: #A68B4B;
    --gold-light: #D4B87A;
    --pink-accent: #E8B4B8;
    --pink-light: #F0C8CC;
    --pink-pale: #F5D6D9;
    --sage-green: #7A8B6E;
    --sage-light: #90A87E;
    --text-dark: #5C5347;
    --text-muted: #8B7E6E;
    --text-light: #A99E8E;
    --white: #FFFFFF;
    --shadow-soft: rgba(92, 83, 71, 0.08);
    --shadow-medium: rgba(92, 83, 71, 0.12);

    /* Typography */
    --font-script: 'Great Vibes', cursive;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Noto Serif JP', serif;

    /* Spacing */
    --section-padding: 80px 20px;
    --container-max: 1200px;
    --border-radius: 20px;
    --border-radius-sm: 12px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-dark);
    background-color: var(--cream-light);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* Header / Logo */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 12px 40px;
    background: rgba(253, 248, 243, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px var(--shadow-soft);
    transition: all 0.3s ease;
}

.header-container {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.logo-icon {
    width: 40px;
    height: 28px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo-name {
    font-family: var(--font-script);
    font-size: 32px;
    color: var(--gold-primary);
    line-height: 1;
}

.logo-tagline {
    font-family: var(--font-body);
    font-size: 9px;
    letter-spacing: 2px;
    color: var(--text-muted);
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 28px;
}

.nav-link {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-dark);
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold-primary);
    transition: width 0.3s ease;
}

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

.nav-link:hover::after {
    width: 100%;
}

.btn-nav {
    padding: 10px 24px;
    font-size: 13px;
    background: linear-gradient(135deg, var(--gold-primary) 0%, var(--gold-dark) 100%);
    color: var(--white);
    border-radius: 25px;
    box-shadow: 0 4px 12px rgba(201, 166, 107, 0.25);
}

.btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(201, 166, 107, 0.35);
}

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle-line {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Mobile Menu Active State */
.nav-toggle.active .nav-toggle-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active .nav-toggle-line:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .nav-toggle-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
        var(--cream-light) 0%,
        var(--cream) 50%,
        var(--cream-dark) 100%
    );
    z-index: -2;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(ellipse at 80% 30%, rgba(232, 180, 184, 0.15) 0%, transparent 50%);
}

.hero-bg::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60%;
    height: 60%;
    background: radial-gradient(ellipse at 20% 80%, rgba(201, 166, 107, 0.1) 0%, transparent 50%);
}

.hero-content {
    text-align: center;
    max-width: 700px;
    margin: 40px auto;
    z-index: 1;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(28px, 5vw, 42px);
    font-weight: 400;
    font-style: italic;
    color: var(--gold-primary);
    margin-bottom: 24px;
    line-height: 1.4;
}

.hero-text {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 32px;
    line-height: 2;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 30px;
    font-family: var(--font-body);
    font-size: 14px;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold-primary) 0%, var(--gold-dark) 100%);
    color: var(--white);
    border: none;
    box-shadow: 0 4px 15px rgba(201, 166, 107, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(201, 166, 107, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--text-dark);
    border: 1px solid var(--text-muted);
}

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

.btn-arrow {
    font-size: 18px;
    transition: transform 0.3s ease;
}

.btn:hover .btn-arrow {
    transform: translateX(4px);
}

/* Hero Image */
.hero-image {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin-top: 40px;
    z-index: 1;
}

.hero-image-placeholder {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 20px 60px var(--shadow-medium);
}

.hero-image-placeholder img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.hero-image-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(253, 248, 243, 0.5) 100%);
    z-index: 1;
}

/* Hero Decorations */
.hero-decorations {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

/* Section Styles */
.section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.section-lotus {
    width: 40px;
    height: 30px;
}

.section-label {
    font-family: var(--font-heading);
    font-style: italic;
    font-size: 18px;
    color: var(--gold-primary);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(24px, 4vw, 32px);
    font-weight: 400;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 24px;
}

/* About Section */
.about {
    padding: var(--section-padding);
    text-align: center;
    background: var(--cream);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-light), transparent);
}

.about-text {
    max-width: 700px;
    margin: 0 auto 32px;
    color: var(--text-muted);
    font-size: 15px;
    line-height: 2;
}

/* About Two-Column Layout */
.about-content {
    display: flex;
    align-items: center;
    gap: 60px;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.about-text-column {
    flex: 1;
    text-align: left;
}

.about-text-column .about-text {
    margin: 0 0 24px;
    max-width: none;
}

/* About Section Slideshow */
.about-slideshow {
    flex: 1;
    position: relative;
    max-width: 450px;
    min-height: 350px;
    height: 350px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.about-slideshow .about-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.8s ease;
    cursor: pointer;
}

.about-slideshow .about-slide:first-of-type {
    opacity: 1;
}

.slideshow-dots {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.slideshow-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transition: background 0.5s ease;
    cursor: pointer;
}

.slideshow-dots .dot:first-of-type {
    background: rgba(255, 255, 255, 1);
}

@media (max-width: 768px) {
    .about-content {
        flex-direction: column;
        gap: 40px;
    }

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

    .about-slideshow {
        width: 100%;
        max-width: 100%;
        min-height: 280px;
        height: 280px;
        margin: 0 auto;
    }

    .about-slideshow .about-slide {
        width: 100%;
        height: 100%;
    }
}

/* Services Section */
.services {
    padding: var(--section-padding);
    background: linear-gradient(180deg, var(--cream) 0%, var(--cream-light) 100%);
}

/* Services Menu Image */
.services-menu-image {
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
}

.services-menu-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

/* Campaign Menu Image */
.campaign-menu-image {
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
}

.campaign-menu-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.campaign-text {
    max-width: 800px;
    margin: 20px auto;
    padding: 0 20px;
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-dark);
    font-weight: 500;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    max-width: var(--container-max);
    margin: 40px auto 0;
    padding: 0 20px;
}

.service-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: 0 8px 30px var(--shadow-soft);
    transition: all 0.3s ease;
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px var(--shadow-medium);
}

.service-image {
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    margin-bottom: 16px;
}

.service-image img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.05);
}

.service-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.service-desc {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.7;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--text-dark);
    border: 1px solid var(--text-light);
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.service-link:hover {
    background: var(--text-dark);
    color: var(--white);
    border-color: var(--text-dark);
}

/* Promotion Section */
.promotion {
    position: relative;
    padding: var(--section-padding);
    text-align: center;
    overflow: hidden;
}

.promotion-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, var(--cream-light) 0%, var(--cream) 100%);
    z-index: -1;
}

.promotion-bg::before {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    width: 40%;
    height: 100%;
    background: radial-gradient(ellipse at 100% 50%, rgba(232, 180, 184, 0.2) 0%, transparent 60%);
}

.promo-cards {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin: 40px 0;
}

.promo-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px 60px;
    box-shadow: 0 8px 30px var(--shadow-soft);
    min-width: 200px;
}

.promo-discount {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.discount-value {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 500;
    color: var(--gold-primary);
    line-height: 1;
}

.discount-label {
    font-size: 14px;
    letter-spacing: 2px;
    color: var(--text-muted);
}

.promo-combo {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.combo-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.combo-price {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 500;
    color: var(--gold-primary);
}

.combo-price .yen {
    font-size: 18px;
    font-weight: 400;
}

/* Footer */
.footer {
    background: var(--cream);
    padding: 60px 20px 20px;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-light), transparent);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 40px;
    max-width: var(--container-max);
    margin: 0 auto;
}

.footer-logo .logo {
    align-items: flex-start;
}

.footer-slogan {
    font-family: var(--font-heading);
    font-style: italic;
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 12px;
}

.footer-heading {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 16px;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-muted);
}

.contact-icon {
    width: 18px;
    height: 18px;
    color: var(--gold-primary);
}

.footer-bottom {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--cream-dark);
}

.footer-bottom p {
    font-size: 12px;
    color: var(--text-light);
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        padding: 12px 20px;
    }

    .nav {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(253, 248, 243, 0.98);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        flex-direction: column;
        gap: 20px;
        padding: 30px 20px;
        transform: translateY(-120%);
        opacity: 0;
        transition: all 0.3s ease;
        box-shadow: 0 10px 30px var(--shadow-medium);
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .nav-link {
        font-size: 16px;
    }

    .nav-toggle {
        display: flex;
    }

    .logo-name {
        font-size: 28px;
    }

    .logo-tagline {
        font-size: 8px;
    }

    .hero {
        padding: 100px 16px 60px;
    }

    .hero-content {
        margin: 20px auto;
    }

    .hero-text br {
        display: none;
    }

    .services-grid {
        grid-template-columns: 1fr;
        padding: 0 16px;
    }

    .promo-card {
        padding: 30px 40px;
    }

    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-logo .logo {
        align-items: center;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 60px 16px;
    }

    .logo-name {
        font-size: 32px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 13px;
    }

    .promo-cards {
        flex-direction: column;
        align-items: center;
    }

    .promo-card {
        width: 100%;
        max-width: 280px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.hero-image {
    animation: fadeInUp 1s ease-out;
}

.service-card {
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.4s; }

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* Focus states */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--gold-primary);
    outline-offset: 4px;
}

/* Services International Page */
.services-intl-about {
    padding: var(--section-padding);
    background: linear-gradient(180deg, var(--cream) 0%, var(--cream-light) 100%);
}

.intl-content {
    display: block;
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
    text-align: center;
}

.intl-content p {
    font-size: 1.1rem;
    line-height: 2;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.intl-content .welcome-text {
    font-style: italic;
    font-weight: 500;
    color: var(--rose-primary);
    margin-top: 2rem;
}

/* Facial Care Section */
.facial-care-section {
    max-width: 800px;
    margin: 60px auto 0;
    padding: 40px 20px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.facial-care-title {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.facial-care-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.facial-care-intro {
    font-size: 1rem;
    line-height: 2;
    color: var(--text-dark);
    margin-bottom: 2rem;
    padding: 0 20px;
}

.facial-care-steps {
    background: var(--cream-light);
    padding: 30px 20px;
    border-radius: var(--border-radius);
    margin: 30px 0;
}

.facial-care-steps p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.facial-care-steps p:last-child {
    margin-bottom: 0;
}

.steps-en {
    font-weight: 500;
}

.skincare-note {
    font-size: 1rem;
    line-height: 2;
    color: var(--rose-primary);
    font-style: italic;
    margin-top: 2rem;
}

/* Active nav link */
.nav-link.active {
    color: var(--rose-primary);
}

@media (max-width: 768px) {
    .facial-care-section {
        margin: 40px 16px 0;
        padding: 30px 16px;
    }

    .facial-care-title {
        font-size: 1.4rem;
    }

    .facial-care-intro,
    .skincare-note {
        font-size: 0.9rem;
    }

    .facial-care-steps p {
        font-size: 0.85rem;
    }
}

/* Reservation Page */
.reservation-section {
    padding: var(--section-padding);
    background: linear-gradient(180deg, var(--cream) 0%, var(--cream-light) 100%);
    text-align: center;
}

.reservation-card-image {
    max-width: 600px;
    margin: 40px auto;
    padding: 0 20px;
}

.reservation-card-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.reservation-info {
    max-width: 500px;
    margin: 50px auto;
    padding: 40px 30px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.reservation-heading {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.reservation-phones {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.phone-number {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--rose-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.phone-number:hover {
    color: var(--rose-dark);
}

.phone-icon {
    width: 24px;
    height: 24px;
}

.line-qr-section {
    max-width: 400px;
    margin: 50px auto 0;
    padding: 40px 30px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.line-heading {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.line-text {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.qr-image {
    max-width: 250px;
    margin: 0 auto;
}

.qr-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

@media (max-width: 768px) {
    .reservation-card-image {
        max-width: 100%;
        padding: 0 16px;
    }

    .reservation-info {
        margin: 40px 16px;
        padding: 30px 20px;
    }

    .phone-number {
        font-size: 1.2rem;
    }

    .line-qr-section {
        margin: 40px 16px 0;
        padding: 30px 20px;
    }

    .qr-image {
        max-width: 200px;
    }
}