/* ========================================
   Alex Luncan - Tokyo Style Personal Website
   ======================================== */

/* CSS Custom Properties */
:root {
    /* Colors - Dark Theme */
    --bg-body: #111111;
    --bg-sidebar: #1a1a1a;
    --bg-card: #222222;
    --bg-card-hover: #2a2a2a;

    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #666666;

    --accent-primary: #ffb400;
    --accent-primary-rgb: 255, 180, 0;
    --accent-hover: #ffc940;
    --accent-secondary: #00d4ff;

    --border-color: #333333;
    --border-light: #444444;

    /* Typography */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Mulish', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Sizes */
    --sidebar-width: 280px;
    --content-max-width: 900px;
    --border-radius: 16px;
    --border-radius-sm: 8px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 15px 50px rgba(0, 0, 0, 0.4);
}

/* ========================================
   Reset & Base
   ======================================== */

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

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

body {
    font-family: var(--font-secondary);
    background-color: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--accent-primary);
    color: var(--bg-body);
    padding: 8px 16px;
    text-decoration: none;
    font-weight: 600;
    z-index: 10000;
    transition: top var(--transition-fast);
    border-radius: 0 0 var(--border-radius-sm) 0;
}

.skip-link:focus {
    top: 0;
}

::selection {
    background: var(--accent-primary);
    color: var(--bg-body);
}

a {
    color: inherit;
    text-decoration: none;
}

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

/* ========================================
   Layout Container
   ======================================== */

.tokyo-container {
    display: flex;
    min-height: 100vh;
}

/* ========================================
   Sidebar
   ======================================== */

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    z-index: 100;
    display: flex;
    flex-direction: column;
}

.sidebar-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 40px 30px;
    overflow-y: auto;
}

/* Profile Section */
.profile-section {
    text-align: center;
    margin-bottom: 30px;
}

.profile-image-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
}

.profile-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--accent-primary);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.profile-image:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(var(--accent-primary-rgb), 0.4);
}

.status-indicator {
    position: absolute;
    bottom: 10px;
    right: 10px;
    width: 20px;
    height: 20px;
    background: #22c55e;
    border: 3px solid var(--bg-sidebar);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.profile-name {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.profile-title {
    font-size: 0.95rem;
    color: var(--accent-primary);
    font-weight: 500;
    margin-bottom: 10px;
}

.profile-location {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.profile-location svg {
    color: var(--accent-primary);
}

/* Social Links */
.social-links {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--accent-primary);
    color: var(--bg-body);
    transform: translateY(-3px);
}

/* Navigation */
.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.nav-link svg {
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    background: rgba(var(--accent-primary-rgb), 0.1);
    color: var(--accent-primary);
}

.nav-link:hover svg,
.nav-link.active svg {
    stroke: var(--accent-primary);
}

/* Sidebar Footer */
.sidebar-footer {
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.sidebar-footer p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ========================================
   Mobile Header
   ======================================== */

.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--bg-sidebar);
    border-bottom: 1px solid var(--border-color);
    padding: 0 20px;
    align-items: center;
    justify-content: space-between;
    z-index: 200;
}

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

.mobile-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent-primary);
}

.mobile-name {
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
}

.mobile-menu-btn {
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hamburger {
    position: relative;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    top: 7px;
}

.mobile-menu-btn.active .hamburger {
    background: transparent;
}

.mobile-menu-btn.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-btn.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ========================================
   Main Content
   ======================================== */

.main-content {
    margin-left: var(--sidebar-width);
    padding: 50px;
    min-height: 100vh;
    width: calc(100% - var(--sidebar-width));
}

/* ========================================
   Content Sections
   ======================================== */

.content-section {
    display: none;
    animation: fadeIn 0.5s ease;
}

.content-section.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section Card */
.section-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    max-width: var(--content-max-width);
    margin: 0 auto;
}

.card-header {
    padding: 30px 40px;
    border-bottom: 1px solid var(--border-color);
}

.section-title {
    display: flex;
    align-items: center;
    gap: 15px;
    font-family: var(--font-primary);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.title-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(var(--accent-primary-rgb), 0.1);
    border-radius: 50%;
    color: var(--accent-primary);
}

.card-content {
    padding: 40px;
}

/* ========================================
   Home / Hero Section
   ======================================== */

.hero-content {
    max-width: 600px;
}

.hero-greeting {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.hero-name {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.hero-tagline {
    font-size: 1.25rem;
    color: var(--accent-primary);
    margin-bottom: 20px;
    min-height: 1.5em;
}

.cursor {
    display: inline-block;
    animation: blink 1s step-end infinite;
    color: var(--accent-primary);
}

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

.hero-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 30px;
}

.hero-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 30px;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-primary);
    color: var(--bg-body);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(var(--accent-primary-rgb), 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-light);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* ========================================
   About Section
   ======================================== */

.about-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
}

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

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

.about-text em {
    color: var(--accent-primary);
    font-style: normal;
}

.about-quote {
    margin-top: 30px;
    padding: 20px 25px;
    background: rgba(var(--accent-primary-rgb), 0.05);
    border-left: 4px solid var(--accent-primary);
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    font-style: italic;
    color: var(--text-secondary);
}

.about-info {
    background: var(--bg-body);
    border-radius: var(--border-radius-sm);
    padding: 25px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.info-item:last-child {
    border-bottom: none;
}

.info-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.info-value {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
}

/* ========================================
   Skills Section
   ======================================== */

.skills-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.skill-group {
    margin-bottom: 10px;
}

.skill-group-title {
    font-family: var(--font-primary);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.skill-group-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.skill-name {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 500;
}

.skill-percent {
    font-size: 0.85rem;
    color: var(--accent-primary);
    font-weight: 600;
}

.skill-bar {
    height: 8px;
    background: var(--bg-body);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-hover));
    border-radius: 4px;
    width: 0;
    transition: width 1s ease;
}

/* Skill Tags */
.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tag {
    display: inline-block;
    padding: 8px 16px;
    background: var(--bg-body);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-2px);
}

/* ========================================
   Contact Section
   ======================================== */

.contact-intro {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: var(--bg-body);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.contact-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: rgba(var(--accent-primary-rgb), 0.1);
    border-radius: 50%;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-value {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 1200px) {
    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-info {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0 20px;
    }
}

@media (max-width: 992px) {
    :root {
        --sidebar-width: 250px;
    }

    .main-content {
        padding: 40px 30px;
    }

    .skills-container {
        grid-template-columns: 1fr;
    }

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

/* Sidebar Overlay */
.sidebar-overlay {
    display: none;
}

@media (max-width: 768px) {
    .mobile-header {
        display: flex;
        transition: opacity var(--transition-fast), visibility var(--transition-fast);
    }

    /* Hide header when menu is open */
    .menu-open .mobile-header {
        opacity: 0;
        visibility: hidden;
    }

    .sidebar {
        top: 0;
        height: 100vh;
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar-inner {
        padding-top: 40px;
    }

    /* Overlay */
    .sidebar-overlay {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.6);
        z-index: 99;
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-normal), visibility var(--transition-normal);
    }

    .sidebar-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    .main-content {
        margin-left: 0;
        width: 100%;
        padding: 80px 20px 40px;
    }

    .card-header {
        padding: 25px;
    }

    .card-content {
        padding: 25px;
    }

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

    .title-icon {
        width: 42px;
        height: 42px;
    }

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

    .hero-tagline {
        font-size: 1.1rem;
    }

    .about-info {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .profile-image {
        width: 120px;
        height: 120px;
    }

    .sidebar-inner {
        padding: 20px;
    }

    .contact-card {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }

    .contact-details {
        align-items: center;
    }
}

/* ========================================
   Animations
   ======================================== */

/* Scroll reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* Skill bar animation */
.skill-progress.animated {
    animation: skillFill 1s ease forwards;
}

@keyframes skillFill {
    from { width: 0; }
}

/* ========================================
   Reduced Motion
   ======================================== */

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

    .content-section.active {
        animation: none;
    }

    .skill-progress {
        transition: none;
    }
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
    .sidebar,
    .mobile-header {
        display: none !important;
    }

    .main-content {
        margin-left: 0;
        padding: 20px;
    }

    .section-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }

    .content-section {
        display: block !important;
        page-break-inside: avoid;
        margin-bottom: 30px;
    }
}