/* ========================================
   BASE STYLES - Compact Minimalism
   ======================================== */

:root {
    --color-black: #1d1d1f;
    --color-gray-dark: #424245;
    --color-gray: #86868b;
    --color-gray-light: #d2d2d7;
    --color-white: #f5f5f7;
    --color-background: #ffffff;
    --nav-bg: rgba(255, 255, 255, 0.9);
    --nav-border: rgba(0, 0, 0, 0.05);

    --color-it-accent: #0071e3;
    --color-it-accent-hover: #0077ed;
    --color-seo-accent: #f56300;
    --color-seo-accent-hover: #ff6b00;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition-smooth: all 0.2s ease;
}

/* Dark Mode */
[data-theme="dark"] {
    --color-black: #f5f5f7;
    --color-gray-dark: #d2d2d7;
    --color-gray: #98989d;
    --color-gray-light: #38383a;
    --color-white: #1c1c1e;
    --color-background: #000000;
    --nav-bg: rgba(0, 0, 0, 0.9);
    --nav-border: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .contact-section {
    background: var(--color-white);
}

[data-theme="dark"] .repair-item.highlight {
    background: rgba(0, 113, 227, 0.15);
}

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

html {
    font-size: 15px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--color-black);
    background-color: var(--color-background);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ========================================
   LANDING PAGE
   ======================================== */

.landing {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.landing-container {
    width: 100%;
    max-width: 800px;
    padding: 40px 24px;
    text-align: center;
}

.landing-header {
    margin-bottom: 48px;
}

.landing-name {
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -0.03em;
}

.selection-prompt {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray);
    margin-bottom: 20px;
}

.path-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 48px;
}

.path-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-light);
    border-radius: 12px;
    padding: 32px 24px;
    text-decoration: none;
    color: var(--color-black);
    transition: var(--transition-smooth);
    position: relative;
}

.path-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.path-card:first-child:hover { border-color: var(--color-it-accent); }
.path-card:last-child:hover { border-color: var(--color-seo-accent); }

.card-icon {
    width: 36px;
    height: 36px;
    margin: 0 auto 16px;
}

.card-icon svg {
    width: 100%;
    height: 100%;
    stroke: var(--color-gray);
    transition: var(--transition-smooth);
}

.path-card:first-child:hover .card-icon svg { stroke: var(--color-it-accent); }
.path-card:last-child:hover .card-icon svg { stroke: var(--color-seo-accent); }

.path-card h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.path-card p {
    color: var(--color-gray);
    font-size: 0.85rem;
}

.card-arrow {
    position: absolute;
    bottom: 16px;
    right: 16px;
    font-size: 1rem;
    opacity: 0;
    transform: translateX(-4px);
    transition: var(--transition-smooth);
}

.path-card:hover .card-arrow {
    opacity: 1;
    transform: translateX(0);
}

.landing-footer {
    padding-top: 24px;
    border-top: 1px solid var(--color-gray-light);
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 24px;
}

.contact-links a {
    color: var(--color-gray);
    text-decoration: none;
    font-size: 0.8rem;
    transition: var(--transition-smooth);
}

.contact-links a:hover { color: var(--color-black); }

/* ========================================
   NAVIGATION
   ======================================== */

.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid var(--nav-border);
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}

.theme-toggle-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-gray-dark);
}

.theme-toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
    background: var(--color-gray-light);
    border-radius: 12px;
    transition: var(--transition-smooth);
}

.theme-toggle-switch::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    background: white;
    border-radius: 50%;
    transition: var(--transition-smooth);
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

[data-theme="dark"] .theme-toggle-switch {
    background: var(--color-it-accent);
}

[data-theme="dark"] .theme-toggle-switch::after {
    left: 23px;
}

.theme-toggle-status {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray);
    min-width: 24px;
}

[data-theme="dark"] .theme-toggle-status::after {
    content: 'ON';
}

.theme-toggle-status::after {
    content: 'OFF';
}

/* Landing page toggle position */
.landing .theme-toggle {
    position: fixed;
    top: 20px;
    right: 24px;
    z-index: 1001;
    background: var(--color-white);
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid var(--color-gray-light);
}

.nav-logo {
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--color-black);
}

.nav-links {
    display: flex;
    gap: 24px;
}

.nav-links a {
    font-size: 0.8rem;
    text-decoration: none;
    color: var(--color-gray);
    transition: var(--transition-smooth);
}

.nav-links a:hover,
.nav-links a.active { color: var(--color-black); }
.it-theme .nav-links a.active { color: var(--color-it-accent); }
.seo-theme .nav-links a.active { color: var(--color-seo-accent); }

/* ========================================
   PAGE HERO - With Stats Layout
   ======================================== */

.page-hero {
    padding: 100px 32px 48px;
    text-align: center;
}

.hero-content {
    max-width: 620px;
    margin: 0 auto;
}

.hero-with-stats {
    padding: 72px 0 40px;
    background: var(--color-white);
    text-align: left;
}

.hero-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.hero-text {
    max-width: 420px;
}

.hero-label {
    display: inline-block;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-gray);
    margin-bottom: 12px;
    padding: 5px 12px;
    border: 1px solid var(--color-gray-light);
    border-radius: 100px;
}

.it-theme .hero-label,
.hero-with-stats.it-theme .hero-label {
    color: var(--color-it-accent);
    border-color: var(--color-it-accent);
}

.seo-theme .hero-label,
.hero-with-stats.seo-theme .hero-label {
    color: var(--color-seo-accent);
    border-color: var(--color-seo-accent);
}

.hero-content h1,
.hero-text h1 {
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-gray);
    line-height: 1.7;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.hero-stat {
    background: var(--color-background);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
}

.hero-stat .stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 4px;
}

.it-theme .hero-stat .stat-number {
    color: var(--color-it-accent);
}

.seo-theme .hero-stat .stat-number,
.hero-with-stats.seo-theme .hero-stat .stat-number {
    color: var(--color-seo-accent);
}

.hero-stat p {
    font-size: 0.7rem;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ========================================
   SECTIONS - Compact
   ======================================== */

section {
    padding: 40px 0;
}

.section-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 32px;
}

section h2 {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-gray);
    margin-bottom: 20px;
}

/* ========================================
   STATS - Inline
   ======================================== */

.stats-section {
    padding: 40px 0;
    background: var(--color-white);
}

.stats-grid {
    display: flex;
    justify-content: center;
    gap: 64px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 4px;
}

.it-theme .stat-number { color: var(--color-it-accent); }
.seo-theme .stat-number { color: var(--color-seo-accent); }

.stat-item p {
    font-size: 0.75rem;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ========================================
   RESULTS (SEO) - Inline
   ======================================== */

.results-section {
    padding: 24px 0;
    background: var(--color-white);
}

.results-grid {
    display: flex;
    justify-content: center;
    gap: 48px;
}

.result-card {
    text-align: center;
}

.result-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--color-seo-accent);
}

.result-card p {
    font-size: 0.7rem;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ========================================
   PROJECTS - Compact Grid
   ======================================== */

.projects-section {
    background: var(--color-background);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.project-card {
    background: var(--color-white);
    border: 1px solid transparent;
    border-radius: 10px;
    padding: 20px;
    transition: var(--transition-smooth);
}

.project-card:hover {
    border-color: var(--color-gray-light);
}

.project-number {
    font-size: 0.65rem;
    color: var(--color-gray);
    margin-bottom: 8px;
}

.project-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.project-card > p {
    color: var(--color-gray-dark);
    font-size: 0.85rem;
    margin-bottom: 12px;
    line-height: 1.5;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.project-tags span {
    font-size: 0.65rem;
    padding: 4px 8px;
    background: var(--color-background);
    border-radius: 4px;
    color: var(--color-gray);
}

.project-link {
    font-size: 0.8rem;
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    margin-top: 12px;
}

/* Project Images */
.project-images {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    overflow-x: auto;
    padding: 8px;
    margin: -8px;
    margin-bottom: 16px;
    scrollbar-width: thin;
}

.project-images::-webkit-scrollbar {
    height: 6px;
}

.project-images::-webkit-scrollbar-track {
    background: var(--color-gray-light);
    border-radius: 3px;
}

.project-images::-webkit-scrollbar-thumb {
    background: var(--color-gray);
    border-radius: 3px;
}

.project-images img {
    width: 140px;
    height: 140px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.project-images img:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
}

.lightbox-content img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 8px;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    padding: 8px;
    line-height: 1;
    opacity: 0.8;
    transition: var(--transition-smooth);
}

.lightbox-close:hover {
    opacity: 1;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    padding: 16px 20px;
    border-radius: 8px;
    opacity: 0.7;
    transition: var(--transition-smooth);
}

.lightbox-nav:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-counter {
    position: absolute;
    bottom: -36px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
}

@media (max-width: 600px) {
    .lightbox-nav {
        padding: 12px 16px;
        font-size: 1.5rem;
    }

    .lightbox-prev {
        left: 8px;
    }

    .lightbox-next {
        right: 8px;
    }
}

.project-card.has-images {
    grid-column: span 2;
}

@media (max-width: 900px) {
    .project-card.has-images {
        grid-column: span 2;
    }
}

@media (max-width: 600px) {
    .project-card.has-images {
        grid-column: span 1;
    }

    .project-images img {
        width: 120px;
        height: 120px;
    }
}

.it-theme .project-link { color: var(--color-it-accent); }
.seo-theme .project-link { color: var(--color-seo-accent); }

/* ========================================
   REPAIRS - Compact
   ======================================== */

.repairs-section {
    background: var(--color-white);
}

.repair-category {
    margin-bottom: 24px;
}

.repair-category:last-child {
    margin-bottom: 0;
}

.repair-category h3 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-gray-light);
}

.repair-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.repair-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: var(--color-background);
    border-radius: 6px;
    transition: var(--transition-smooth);
}

.repair-item.highlight {
    background: rgba(0, 113, 227, 0.06);
}

.repair-device {
    font-weight: 500;
    font-size: 0.8rem;
}

.repair-work {
    font-size: 0.7rem;
    color: var(--color-gray);
    text-align: right;
}

/* ========================================
   TOOLS - Compact Inline
   ======================================== */

.tools-section {
    background: var(--color-background);
    padding: 32px 0;
}

.tools-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tool-item {
    padding: 8px 16px;
    background: var(--color-white);
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--color-gray-dark);
}

/* ========================================
   EDUCATION - Compact Row
   ======================================== */

.certifications-section {
    background: var(--color-white);
    padding: 32px 0;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.cert-item {
    padding: 16px;
    background: var(--color-background);
    border-radius: 8px;
}

.cert-year {
    font-size: 0.65rem;
    color: var(--color-gray);
    display: block;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.cert-item h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.cert-item p {
    font-size: 0.75rem;
    color: var(--color-gray);
}

/* ========================================
   CONTACT - Compact
   ======================================== */

.contact-section {
    background: var(--color-black);
    color: var(--color-white);
    text-align: center;
    padding: 48px 0;
}

.contact-section h2 {
    color: rgba(255, 255, 255, 0.5);
}

.contact-section > .section-container > p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 20px;
}

.contact-button {
    display: inline-block;
    padding: 12px 28px;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition-smooth);
    margin-bottom: 24px;
}

.it-theme .contact-button {
    background: var(--color-it-accent);
    color: white;
}

.seo-theme .contact-button {
    background: var(--color-seo-accent);
    color: white;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-links a {
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    font-size: 0.8rem;
    transition: var(--transition-smooth);
}

.social-links a:hover { color: white; }

.contact-location {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.3);
    margin-top: 16px;
}

/* ========================================
   FOOTER
   ======================================== */

.main-footer {
    padding: 16px 32px;
    text-align: center;
    border-top: 1px solid var(--color-gray-light);
}

.main-footer p {
    font-size: 0.7rem;
    color: var(--color-gray);
}

/* ========================================
   TABLET
   ======================================== */

@media (max-width: 900px) {
    .hero-layout {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }

    .hero-text {
        max-width: 100%;
    }

    .hero-stats {
        grid-template-columns: repeat(4, 1fr);
        gap: 12px;
    }

    .hero-stat {
        padding: 16px 12px;
    }

    .hero-stat .stat-number {
        font-size: 1.75rem;
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .repair-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .results-grid,
    .stats-grid {
        gap: 32px;
    }
}

/* ========================================
   MOBILE
   ======================================== */

@media (max-width: 600px) {
    html {
        font-size: 14px;
    }

    .main-nav {
        padding: 0 16px;
        height: 48px;
    }

    .nav-links {
        gap: 10px;
    }

    .theme-toggle-label {
        display: none;
    }

    .theme-toggle-status {
        display: none;
    }

    .page-hero {
        padding: 64px 20px 24px;
    }

    .hero-with-stats {
        padding: 56px 0 28px;
    }

    .hero-layout {
        text-align: center;
    }

    .hero-text h1,
    .hero-content h1 {
        font-size: 1.6rem;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .hero-stat {
        padding: 12px 8px;
    }

    .hero-stat .stat-number {
        font-size: 1.5rem;
    }

    .section-container {
        padding: 0 20px;
    }

    section {
        padding: 32px 0;
    }

    .landing-container {
        padding: 32px 20px;
    }

    .path-cards {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .path-card {
        padding: 24px 20px;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .project-card {
        padding: 16px;
    }

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

    .repair-item {
        flex-direction: row;
        justify-content: space-between;
    }

    .cert-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .results-grid,
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .stat-number,
    .result-number {
        font-size: 2.25rem;
    }

    .contact-section {
        padding: 32px 0;
    }

    .landing .theme-toggle {
        padding: 6px 10px;
        top: 12px;
        right: 16px;
    }
}

/* ========================================
   LARGE DESKTOP - Show more
   ======================================== */

@media (min-width: 1200px) {
    .section-container {
        max-width: 1100px;
    }

    .projects-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .repair-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}