/* ========================================
   七海なみ Landing Page Styles
   Design: Soft, warm, and approachable
   ======================================== */

/* CSS Variables */
:root {
    /* Colors - Soft & Warm Palette */
    --color-primary: #f48fb1;
    --color-primary-light: #ffc1e3;
    --color-primary-dark: #bf5f82;
    --color-secondary: #81d4fa;
    --color-accent: #ffe082;

    --color-bg: #fff9fb;
    --color-bg-alt: #fef0f5;
    --color-bg-dark: #2d2d3a;

    --color-text: #4a4a5a;
    --color-text-light: #7a7a8a;
    --color-text-dark: #2a2a3a;
    --color-text-white: #ffffff;

    /* Typography */
    --font-main: 'Zen Maru Gothic', 'Noto Sans JP', sans-serif;
    --font-accent: 'Noto Sans JP', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(244, 143, 177, 0.15);
    --shadow-md: 0 4px 20px rgba(244, 143, 177, 0.2);
    --shadow-lg: 0 8px 40px rgba(244, 143, 177, 0.25);

    /* Transitions */
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
}

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

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

/* ========================================
   Navigation Bar
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 249, 251, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(244, 143, 177, 0.2);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 249, 251, 0.98);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-accent);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.nav-logo:hover {
    color: var(--color-primary-dark);
}

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

.nav-menu a {
    color: var(--color-text);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    padding: 0.25rem 0;
}

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

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

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

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

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    transition: var(--transition);
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(255, 249, 251, 0.98);
        flex-direction: column;
        align-items: center;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
        border-bottom: 1px solid rgba(244, 143, 177, 0.2);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

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

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--spacing-lg) var(--spacing-md);
    padding-top: 100px;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(244, 143, 177, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(129, 212, 250, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    text-align: left;
}

.hero-greeting {
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

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

.name-kanji {
    display: block;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-text-dark);
    line-height: 1.2;
}

.name-romaji {
    display: block;
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--color-text-light);
    letter-spacing: 0.2em;
    margin-top: 0.5rem;
}

.hero-tagline {
    font-size: 1.3rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-dark);
    border-color: var(--color-text-dark);
}

.btn-secondary:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-white);
    transform: translateY(-2px);
}

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

/* Image Styles */
.hero-photo {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
}

.about-photo {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    object-fit: cover;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    aspect-ratio: 4/3;
}

.gallery-item.large img {
    aspect-ratio: 16/9;
}

.schedule-photo {
    width: 100%;
    max-width: 250px;
    height: auto;
    border-radius: var(--radius-md);
    margin: 0 auto;
    display: block;
    box-shadow: var(--shadow-sm);
}

/* Image Placeholders (fallback) */
.image-placeholder {
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, #fff 100%);
    border: 3px dashed var(--color-primary-light);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(244, 143, 177, 0.03) 10px,
            rgba(244, 143, 177, 0.03) 20px
        );
}

.placeholder-content {
    position: relative;
    z-index: 1;
    padding: var(--spacing-md);
}

.placeholder-icon {
    display: block;
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.placeholder-label {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    margin-bottom: 0.5rem;
}

.placeholder-desc {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.hero-photo {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 3/4;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-light);
    font-size: 0.8rem;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

@media (max-width: 900px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text {
        text-align: center;
        order: 2;
    }

    .hero-image {
        order: 1;
    }

    .hero-cta {
        justify-content: center;
    }

    .name-kanji {
        font-size: 2.5rem;
    }

    .hero-photo {
        max-width: 300px;
    }
}

/* ========================================
   Container & Section Styles
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.title-en {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.title-ja {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-dark);
}

.section-title.light .title-en {
    color: var(--color-primary-light);
}

.section-title.light .title-ja {
    color: var(--color-text-white);
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-photo {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 5/7;
    margin: 0 auto;
}

.profile-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.profile-card h3 {
    font-size: 1.8rem;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
}

.profile-card .age {
    font-size: 1rem;
    color: var(--color-primary);
    font-weight: 500;
}

.profile-intro {
    font-size: 1.1rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.profile-details {
    display: grid;
    gap: 0.75rem;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
}

.detail-item {
    display: flex;
    gap: 1rem;
    font-size: 0.95rem;
}

.detail-label {
    color: var(--color-primary-dark);
    font-weight: 600;
    min-width: 80px;
}

.detail-value {
    color: var(--color-text);
}

.profile-message {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.8;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-primary-light);
}

@media (max-width: 900px) {
    .about-content {
        grid-template-columns: 1fr;
    }

    .about-photo {
        max-width: 300px;
    }
}

/* ========================================
   Gallery Section
   ======================================== */
.gallery {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-alt);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

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

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.gallery-item.large {
    grid-column: span 2;
}

.gallery-item .image-placeholder {
    aspect-ratio: 4/3;
    border: none;
    border-radius: 0;
}

.gallery-item.large .image-placeholder {
    aspect-ratio: 16/9;
}

.gallery-caption {
    padding: var(--spacing-sm);
    font-size: 0.95rem;
    color: var(--color-text);
    text-align: center;
    background: white;
}

@media (max-width: 900px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .gallery-item.large {
        grid-column: span 2;
    }
}

@media (max-width: 600px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .gallery-item.large {
        grid-column: span 1;
    }
}

/* ========================================
   Daily Section
   ======================================== */
.daily {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg);
}

.daily-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.daily-schedule {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.schedule-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.schedule-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.schedule-card.morning {
    border-top: 4px solid var(--color-accent);
}

.schedule-card.night {
    border-top: 4px solid var(--color-secondary);
}

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

.schedule-card h3 {
    font-size: 1.3rem;
    color: var(--color-text-dark);
    margin-bottom: 0.5rem;
}

.schedule-time {
    font-size: 1.1rem;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.schedule-desc {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.schedule-photo {
    aspect-ratio: 4/3;
    max-width: 250px;
    margin: 0 auto;
}

.daily-note {
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-md);
}

@media (max-width: 700px) {
    .daily-schedule {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Follow Section
   ======================================== */
.follow {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-text-white);
}

.follow-message {
    text-align: center;
    font-size: 1.2rem;
    line-height: 2;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.social-cards {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.social-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: white;
    color: var(--color-text-dark);
    padding: 1.25rem 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    min-width: 280px;
}

.social-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.social-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

.social-card.twitter .social-icon {
    background: #1a1a1a;
    color: white;
}

.social-card.instagram .social-icon {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
    color: white;
}

.social-info {
    flex: 1;
    text-align: left;
}

.social-name {
    display: block;
    font-weight: 700;
    font-size: 1rem;
    color: var(--color-text-dark);
}

.social-handle {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.social-action {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    padding: 0.5rem 1rem;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-full);
    transition: var(--transition);
}

.social-card:hover .social-action {
    background: var(--color-primary);
    color: white;
}

@media (max-width: 600px) {
    .social-cards {
        flex-direction: column;
        align-items: center;
    }

    .social-card {
        width: 100%;
        max-width: 320px;
    }
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: var(--spacing-md) 0;
    background: var(--color-bg-dark);
    color: var(--color-text-white);
}

.footer-content {
    text-align: center;
}

.footer-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-primary-light);
}

.footer-copy {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.5rem;
}

.footer-disclaimer {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

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