/* ===========================
   NURI ぬり — Styles
   =========================== */

:root {
    --bg: #0a0a0f;
    --bg-2: #0f0f1a;
    --bg-card: #13131f;
    --bg-card-hover: #1a1a2e;
    --border: rgba(255, 255, 255, 0.07);
    --border-hover: rgba(139, 92, 246, 0.4);
    --accent: #8b5cf6;
    --accent-2: #a78bfa;
    --accent-glow: rgba(139, 92, 246, 0.15);
    --gold: #f59e0b;
    --text: #f1f0f5;
    --text-muted: #9ca3af;
    --text-dim: #6b7280;
    --radius: 16px;
    --radius-sm: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', sans-serif;
    --font-jp: 'Noto Sans JP', sans-serif;

    /* Light Mode Variables */
    --bg-light: #f8fafc;
    --bg-2-light: #f1f5f9;
    --bg-card-light: #ffffff;
    --text-light: #0f172a;
    --text-muted-light: #475569;
    --text-dim-light: #64748b;
    --border-light: rgba(0, 0, 0, 0.08);
}

body.light-mode {
    --bg: var(--bg-light);
    --bg-2: var(--bg-2-light);
    --bg-card: var(--bg-card-light);
    --bg-card-hover: #ffffff;
    --text: var(--text-light);
    --text-muted: var(--text-muted-light);
    --text-dim: var(--text-dim-light);
    --border: var(--border-light);
}

/* Theme Toggle */
.theme-toggle {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    padding: 0;
}

.theme-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(139, 92, 246, 0.05);
}

.theme-icon-light,
.theme-icon-dark {
    font-size: 1.2rem;
    line-height: 1;
}

body:not(.light-mode) .theme-icon-dark {
    display: none;
}

body.light-mode .theme-icon-light {
    display: none;
}

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

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

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 3px;
}

/* ===== Utility ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 120px 0;
}

.section-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.section-sub {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 560px;
    margin-bottom: 60px;
}

/* ===== Reveal Animations ===== */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
    background: var(--accent-2);
    box-shadow: 0 0 50px rgba(139, 92, 246, 0.5);
    transform: translateY(-2px);
}

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

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.875rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 0;
    transition: var(--transition);
}

.nav.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: baseline;
    gap: 8px;
    text-decoration: none;
}

.logo-en {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.03em;
}

.logo-jp {
    font-family: var(--font-jp);
    font-size: 1.1rem;
    color: var(--accent);
    font-weight: 400;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
    list-style: none;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition);
}

.nav-links a:hover {
    color: var(--text);
}

.nav-cta {
    background: var(--accent) !important;
    color: #fff !important;
    padding: 10px 22px;
    border-radius: 50px;
    font-size: 0.875rem !important;
}

.nav-cta:hover {
    background: var(--accent-2) !important;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 24px 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.35;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #8b5cf6, transparent 70%);
    top: -200px;
    left: -100px;
    animation: orbFloat 8s ease-in-out infinite;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #a78bfa, transparent 70%);
    bottom: -100px;
    right: -50px;
    animation: orbFloat 10s ease-in-out infinite reverse;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, #f59e0b, transparent 70%);
    top: 50%;
    left: 60%;
    opacity: 0.15;
    animation: orbFloat 12s ease-in-out infinite;
}

@keyframes orbFloat {

    0%,
    100% {
        transform: translateY(0) scale(1);
    }

    50% {
        transform: translateY(-30px) scale(1.05);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    padding: 6px 18px;
    background: rgba(139, 92, 246, 0.12);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-2);
    margin-bottom: 32px;
}

.hero-title {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 20px;
    margin-bottom: 16px;
}

.title-en {
    font-size: clamp(5rem, 14vw, 10rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
    background: linear-gradient(135deg, #fff 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-jp {
    font-family: var(--font-jp);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 300;
    color: var(--accent);
    -webkit-text-fill-color: var(--accent);
    letter-spacing: 0.05em;
}

.hero-tagline {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 300;
    color: var(--text-muted);
    margin-bottom: 20px;
    letter-spacing: 0.02em;
}

.hero-sub {
    font-size: 1.05rem;
    color: var(--text-dim);
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-dim);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--text-dim), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {

    0%,
    100% {
        opacity: 0.3;
    }

    50% {
        opacity: 1;
    }
}

/* ===== About ===== */
.about {
    background: var(--bg-2);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 1.05rem;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.stat-num {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.03em;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.about-visual {
    display: flex;
    justify-content: center;
}

.kanji-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 60px 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.kanji-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, var(--accent-glow), transparent 70%);
    pointer-events: none;
}

.kanji-char {
    font-family: var(--font-jp);
    font-size: 7rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 20px;
    text-shadow: 0 0 60px rgba(139, 92, 246, 0.5);
}

.kanji-meaning {
    font-size: 0.9rem;
    color: var(--text-muted);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.kanji-romaji {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dim);
    letter-spacing: 0.3em;
}

/* ===== Portfolio ===== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 28px;
}

.portfolio-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    text-decoration: none;
    /* Remove underline from anchor */
    display: block;
    /* Ensure it behaves like a block */
    color: inherit;
    /* Inherit text color */
    cursor: pointer;
}

/* Pricing Syle */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 40px;
    border-radius: 20px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.pricing-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.3);
}

.pricing-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border);
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text);
}

.price {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text);
    line-height: 1;
    letter-spacing: -0.02em;
}

.price .period {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-muted);
    margin-left: 5px;
}

.pricing-features {
    list-style: none;
    margin: 0 0 30px 0;
    padding: 0;
}

.pricing-features li {
    margin-bottom: 15px;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features li span {
    color: var(--accent);
    font-size: 0.8rem;
}

.pricing-desc {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.pricing-cta {
    text-align: center;
    margin-top: 60px;
}

.pricing-cta p {
    margin-bottom: 20px;
    color: var(--text-muted);
    font-size: 1.1rem;
}

@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}

.portfolio-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(139, 92, 246, 0.15);
}

.card-image-wrap {
    position: relative;
    overflow: hidden;
}

.card-image {
    height: 220px;
    position: relative;
    overflow: hidden;
    background: var(--bg-card);
}

.project-shot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.portfolio-card:hover .project-shot {
    transform: scale(1.05);
}

.card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(139, 92, 246, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    z-index: 10;
    cursor: pointer;
}

.card-visit-btn {
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    padding: 12px 24px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 50px;
    transition: var(--transition);
    position: relative;
    z-index: 20;
    cursor: pointer;
}

.card-visit-btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

.card-body {
    padding: 24px;
}

.card-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.tag {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    padding: 3px 10px;
    border-radius: 50px;
}

.card-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}

.card-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
}

.card-link {
    font-size: 0.8rem;
    color: var(--accent);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: gap var(--transition);
}

.card-link:hover {
    gap: 8px;
}

.link-arrow {
    transition: transform var(--transition);
}

.card-link:hover .link-arrow {
    transform: translate(2px, -2px);
}

.portfolio-card-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 340px;
    border-style: dashed;
    border-color: rgba(139, 92, 246, 0.25);
    background: transparent;
}

.portfolio-card-cta:hover {
    border-color: var(--accent);
    background: rgba(139, 92, 246, 0.05);
}

.card-cta-inner {
    text-align: center;
    padding: 40px;
}

.card-cta-icon {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 16px;
    opacity: 0.6;
}

.card-cta-inner h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.card-cta-inner p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

/* ===== Services ===== */
.services {
    background: var(--bg-2);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 28px;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(139, 92, 246, 0.1);
}

.service-icon {
    font-size: 1.8rem;
    margin-bottom: 16px;
    display: block;
}

.service-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ===== Contact ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 80px;
    align-items: start;
}

.contact-info {
    padding-top: 8px;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 32px;
}

.contact-icon {
    font-size: 1.2rem;
    width: 44px;
    height: 44px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 4px;
}

.contact-value {
    color: var(--text);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition);
}

.contact-value:hover {
    color: var(--accent);
}

.contact-tagline {
    padding-top: 32px;
    border-top: 1px solid var(--border);
    margin-top: 8px;
}

.contact-tagline p {
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.7;
    font-style: italic;
}

/* Contact Form */
.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    color: var(--text);
    font-family: var(--font);
    font-size: 0.95rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
    appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-dim);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    cursor: pointer;
}

.form-group select option {
    background: var(--bg-card);
}

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

#submitBtn {
    font-family: var(--font);
    margin-top: 8px;
    position: relative;
    overflow: hidden;
}

#submitBtn.loading {
    opacity: 0.7;
    pointer-events: none;
}

.form-success {
    display: none;
    margin-top: 16px;
    padding: 14px 20px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-sm);
    color: #10b981;
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
}

.form-success.show {
    display: block;
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-2);
    border-top: 1px solid var(--border);
    padding: 60px 0;
}

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

.footer-brand {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 10px;
    margin-bottom: 12px;
}

.footer-brand .logo-en {
    font-size: 1.6rem;
}

.footer-brand .logo-jp {
    font-size: 1.2rem;
}

.footer-tagline {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-bottom: 32px;
    font-style: italic;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 32px;
}

.footer-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition);
}

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

.footer-copy {
    color: var(--text-dim);
    font-size: 0.8rem;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: 1fr 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr 1fr;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .about-visual {
        order: -1;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 80px 0;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .about-stats {
        gap: 24px;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 10, 15, 0.97);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 32px;
        z-index: 99;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        font-size: 1.2rem;
    }

    .nav-toggle {
        display: flex;
        z-index: 101;
    }

    .contact-form {
        padding: 28px 20px;
    }

    .kanji-card {
        padding: 40px 50px;
    }

    .kanji-char {
        font-size: 5rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
}