/* ============================================
   NMSRB95 Portfolio - Japanese Developer Theme
   ============================================ */

/* === CSS Variables === */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #0f0f0f;
    --bg-card: #141414;
    --bg-card-hover: #1a1a1a;
    --jp-red: #8b0000;
    --jp-red-light: #cc0000;
    --jp-gold: #c9a84c;
    --jp-gold-dim: #8b7d3c;
    --text-primary: #e0e0e0;
    --text-secondary: #888888;
    --text-dim: #555555;
    --matrix-green: #00ff41;
    --matrix-dim: #003b00;
    --border-color: #1a1a1a;
    --border-light: #2a2a2a;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    --font-jp: 'Noto Sans JP', sans-serif;
    --transition: all 0.3s ease;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

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

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

body {
    font-family: var(--font-mono);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

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

ul {
    list-style: none;
}

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

::selection {
    background: var(--jp-red);
    color: var(--text-primary);
}

::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--jp-red);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--jp-red-light);
}

/* === Matrix Rain Canvas === */
#matrixCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.12;
}

/* === Navigation === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 2px;
    font-size: 1.2rem;
    font-weight: 700;
}

.logo-bracket {
    color: var(--jp-gold);
    font-weight: 300;
}

.logo-name {
    color: var(--text-primary);
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: var(--text-secondary);
    font-size: 0.85rem;
    letter-spacing: 1px;
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--jp-red);
    transition: var(--transition);
}

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

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

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

.bar {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* === Hero Section === */
.hero-section {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 20px 60px;
}

.hero-content {
    text-align: center;
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--jp-gold);
    border: 1px solid var(--jp-gold-dim);
    padding: 6px 16px;
    margin-bottom: 30px;
    letter-spacing: 2px;
    opacity: 0.8;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.typewriter {
    color: var(--text-primary);
}

.cursor {
    color: var(--matrix-green);
    animation: blink 1s step-end infinite;
    font-weight: 100;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 25px;
    letter-spacing: 1px;
}

.highlight {
    color: var(--jp-red-light);
    font-weight: 700;
}

.hero-tech {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tech-item {
    font-size: 0.8rem;
    color: var(--matrix-green);
    letter-spacing: 1px;
}

.tech-sep {
    color: var(--text-dim);
    font-size: 0.7rem;
}

.hero-jp {
    font-family: var(--font-jp);
    font-size: 1.1rem;
    color: var(--jp-gold);
    margin-bottom: 35px;
    letter-spacing: 3px;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--jp-red);
    color: var(--text-primary);
    border: 1px solid var(--jp-red);
}

.btn-primary:hover {
    background: var(--jp-red-light);
    border-color: var(--jp-red-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(139, 0, 0, 0.4);
}

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

.btn-secondary:hover {
    border-color: var(--jp-gold);
    color: var(--jp-gold);
    transform: translateY(-2px);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-dim);
    font-size: 0.7rem;
    letter-spacing: 2px;
    animation: float 2s ease-in-out infinite;
}

.scroll-arrow {
    font-size: 1.2rem;
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* === Section Styles === */
.section {
    position: relative;
    z-index: 1;
    padding: 100px 20px;
}

.section-container {
    max-width: 1000px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.jp-accent {
    font-family: var(--font-jp);
    font-size: 0.85rem;
    color: var(--jp-gold);
    letter-spacing: 5px;
    text-transform: uppercase;
}

.section-title-main {
    font-size: 1.8rem;
    color: var(--text-primary);
    letter-spacing: 2px;
}

.section-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

.divider-line {
    width: 60px;
    height: 1px;
    background: var(--border-light);
}

.divider-diamond {
    color: var(--jp-red);
    font-size: 0.6rem;
}

/* === About Section === */
.about-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-code {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 30px;
    font-size: 0.85rem;
    line-height: 1.8;
    border-radius: 4px;
    box-shadow: var(--shadow);
}

.code-comment {
    color: var(--text-dim);
}

.about-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.9;
}

.about-text p {
    margin-bottom: 20px;
}

.about-text .highlight {
    color: var(--jp-red-light);
}

/* === Japan Section === */
.japan-section {
    background: var(--bg-primary);
}

.japan-intro {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 50px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.japan-quotes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 60px;
}

.quote-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 30px;
    text-align: center;
    transition: var(--transition);
    border-radius: 4px;
}

.quote-card:hover {
    border-color: var(--jp-red);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(139, 0, 0, 0.2);
}

.quote-jp {
    font-family: var(--font-jp);
    font-size: 2rem;
    color: var(--jp-red);
    margin-bottom: 10px;
    letter-spacing: 3px;
}

.quote-en {
    font-size: 0.9rem;
    color: var(--jp-gold);
    margin-bottom: 15px;
    font-style: italic;
    letter-spacing: 1px;
}

.quote-meaning {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.japan-zen {
    text-align: center;
    padding: 40px 0;
}

.zen-line {
    color: var(--text-dim);
    font-size: 0.8rem;
    letter-spacing: 3px;
}

.zen-text {
    font-family: var(--font-jp);
    font-size: 1.5rem;
    color: var(--jp-gold);
    margin: 20px 0 10px;
    letter-spacing: 3px;
}

.zen-sub {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 20px;
}

/* === Projects Section === */
.projects-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.projects-note {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-bottom: 30px;
    letter-spacing: 1px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--jp-red), var(--jp-gold));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-card:hover {
    border-color: var(--border-light);
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.project-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 20px;
    border: 2px solid var(--jp-red);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
}

.project-icon:hover {
    border-color: var(--jp-gold);
    transform: scale(1.05);
}

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

.project-icon-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--jp-red);
}

.project-badge {
    display: inline-block;
    font-size: 0.65rem;
    color: var(--jp-gold);
    border: 1px solid var(--jp-gold-dim);
    padding: 3px 12px;
    margin-bottom: 15px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.project-title {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.project-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}

.project-status {
    margin-bottom: 20px;
}

.status-badge {
    display: inline-block;
    font-size: 0.7rem;
    padding: 4px 14px;
    letter-spacing: 1px;
}

.status-coming {
    background: rgba(201, 168, 76, 0.1);
    color: var(--jp-gold);
    border: 1px solid var(--jp-gold-dim);
}

.status-link {
    display: inline-block;
    background: rgba(0, 255, 65, 0.1);
    color: var(--matrix-green);
    border: 1px solid var(--matrix-dim);
    transition: var(--transition);
}

.status-link:hover {
    background: rgba(0, 255, 65, 0.2);
    border-color: var(--matrix-green);
    transform: translateY(-2px);
}

.project-tech-stack {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.project-tech-stack span {
    font-size: 0.7rem;
    color: var(--matrix-green);
    border: 1px solid var(--matrix-dim);
    padding: 3px 10px;
    letter-spacing: 1px;
}

/* === Contact Section === */
.contact-section {
    background: var(--bg-primary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    align-items: start;
}

.contact-info {
    padding: 30px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.contact-intro {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.7;
}

.contact-note {
    font-size: 0.8rem;
    color: var(--text-dim);
    font-style: italic;
    line-height: 1.6;
}

.contact-form {
    position: relative;
}

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

.form-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    transition: var(--transition);
    border-radius: 4px;
    outline: none;
}

.form-input:focus {
    border-color: var(--jp-red);
    box-shadow: 0 0 10px rgba(139, 0, 0, 0.2);
}

.form-input::placeholder {
    color: var(--text-dim);
    font-size: 0.8rem;
}

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

.form-status {
    font-size: 0.8rem;
    margin-bottom: 15px;
    padding: 10px;
    display: none;
}

.form-status.success {
    display: block;
    color: var(--matrix-green);
    border: 1px solid var(--matrix-dim);
    background: rgba(0, 255, 65, 0.05);
}

.form-status.error {
    display: block;
    color: var(--jp-red-light);
    border: 1px solid var(--jp-red);
    background: rgba(139, 0, 0, 0.1);
}

.btn-submit {
    width: 100%;
    justify-content: center;
    padding: 14px 30px;
}

.btn-arrow {
    transition: var(--transition);
}

.btn-submit:hover .btn-arrow {
    transform: translateX(5px);
}

/* === Footer === */
.footer {
    position: relative;
    z-index: 1;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 60px 20px 30px;
}

.footer-container {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 2px;
    font-size: 1.1rem;
    font-weight: 700;
}

.footer-logo-bracket {
    color: var(--jp-gold);
    font-weight: 300;
}

.footer-logo-name {
    color: var(--text-primary);
    letter-spacing: 2px;
}

.footer-links {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.footer-link {
    font-size: 0.8rem;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

.footer-link:hover {
    color: var(--jp-red-light);
}

.footer-sep {
    color: var(--text-dim);
    font-size: 0.7rem;
}

.footer-divider {
    border: none;
    border-top: 1px solid var(--text-dim);
    margin-bottom: 30px;
    max-width: 100%;
}

.footer-middle {
    margin-bottom: 30px;
}

.footer-jp-phrase {
    font-family: var(--font-jp);
    font-size: 1.1rem;
    color: var(--jp-gold);
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.footer-jp-en {
    font-size: 0.8rem;
    color: var(--text-dim);
    font-style: italic;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.footer-copyright {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.footer-built-with {
    font-size: 0.75rem;
    color: var(--text-dim);
}

.footer-heart {
    color: var(--jp-red);
}

.footer-zen {
    color: var(--jp-gold);
}

/* === Responsive === */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 60px);
        background: rgba(10, 10, 10, 0.98);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 40px;
        transition: var(--transition);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

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

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

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

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 0.75rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }

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

    .section {
        padding: 60px 20px;
    }

    .section-title-main {
        font-size: 1.4rem;
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .hero-tech {
        gap: 5px;
    }

    .tech-item {
        font-size: 0.7rem;
    }

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

    .btn {
        width: 100%;
        max-width: 250px;
        justify-content: center;
    }

    .japan-quotes {
        grid-template-columns: 1fr;
    }
}

/* === Lightbox Modal === */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.92);
    cursor: pointer;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: lightboxFadeIn 0.3s ease;
}

@keyframes lightboxFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.lightbox-image {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border: 1px solid var(--border-light);
    border-radius: 4px;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.8);
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 2rem;
    cursor: pointer;
    padding: 5px 10px;
    transition: var(--transition);
    font-family: var(--font-mono);
    line-height: 1;
}

.lightbox-close:hover {
    color: var(--jp-red-light);
    transform: scale(1.1);
}

.lightbox-caption {
    margin-top: 15px;
    font-size: 0.75rem;
    color: var(--text-dim);
    letter-spacing: 1px;
}

/* === Animations === */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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