/* ========================================
   JamesTech - Minimal Portfolio & Coaching
   ======================================== */

/* CSS Custom Properties */
:root {
    --color-bg: #ffffff;
    --color-bg-alt: #f8f9fa;
    --color-text: #1a1a1a;
    --color-text-muted: #6b7280;
    --color-accent: #2563eb;
    --color-accent-hover: #1d4ed8;
    --color-border: #e5e7eb;

    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;

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

    --max-width: 1200px;
    --border-radius: 8px;
    --transition: 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

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

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

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

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.25rem; }

p {
    margin-bottom: var(--spacing-sm);
}

/* Header & Navigation */
.site-header {
    position: sticky;
    top: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-links a {
    color: var(--color-text);
    font-weight: 500;
    padding: var(--spacing-xs) 0;
    border-bottom: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

/* Language Toggle */
.lang-toggle {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-xs) var(--spacing-sm);
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    transition: all var(--transition);
}

.lang-toggle:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.lang-toggle .lang-en,
.lang-toggle .lang-sv {
    transition: color var(--transition);
}

[data-lang="en"] .lang-toggle .lang-en,
[data-lang="sv"] .lang-toggle .lang-sv {
    color: var(--color-accent);
    font-weight: 600;
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-align: center;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--color-accent-hover);
    color: white;
}

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

.btn-secondary:hover {
    background: var(--color-accent);
    color: white;
}

/* Link Arrow */
.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.link-arrow::after {
    content: '\2192';
    transition: transform var(--transition);
}

.link-arrow:hover::after {
    transform: translateX(4px);
}

/* Hero Section */
.hero {
    padding: var(--spacing-xl) 0;
    text-align: center;
    background: var(--color-bg-alt);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto var(--spacing-md);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* Services Section */
.services {
    padding: var(--spacing-xl) 0;
}

.services .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: all var(--transition);
}

.service-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.service-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.service-card h2 {
    font-size: 1.25rem;
}

.service-card p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

/* Stats Section */
.stats {
    padding: var(--spacing-lg) 0;
    background: var(--color-bg-alt);
}

.stats .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Page Header (for inner pages) */
.page-header {
    padding: var(--spacing-lg) 0;
    background: var(--color-bg-alt);
    text-align: center;
}

.page-header p {
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-xl) 0;
}

.project-card {
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all var(--transition);
}

.project-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.project-image {
    width: 100%;
    height: 200px;
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

.project-content {
    padding: var(--spacing-md);
}

.project-content h3 {
    margin-bottom: var(--spacing-xs);
}

.project-content p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin: var(--spacing-sm) 0;
}

.tech-tag {
    background: var(--color-bg-alt);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--color-text-muted);
}

.project-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

/* Coaching Section */
.coaching-intro {
    padding: var(--spacing-xl) 0;
}

.coaching-intro .container {
    max-width: 800px;
}

.coaching-services {
    padding: var(--spacing-lg) 0;
    background: var(--color-bg-alt);
}

.coaching-services .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.coaching-card {
    background: var(--color-bg);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.coaching-card h3 {
    color: var(--color-accent);
}

.coaching-card ul {
    list-style: none;
    margin: var(--spacing-sm) 0;
}

.coaching-card li {
    padding: var(--spacing-xs) 0;
    padding-left: 1.5rem;
    position: relative;
}

.coaching-card li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

/* Calendly Embed */
.calendly-section {
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.calendly-section h2 {
    margin-bottom: var(--spacing-md);
}

.calendly-inline-widget {
    min-width: 320px;
    height: 700px;
}

/* Coaching Audience */
.coaching-audience {
    padding: var(--spacing-lg) 0;
}

.coaching-audience .container {
    max-width: 800px;
}

.audience-list {
    list-style: none;
    margin-top: var(--spacing-md);
}

.audience-list li {
    padding: var(--spacing-sm) 0;
    padding-left: 2rem;
    position: relative;
    border-bottom: 1px solid var(--color-border);
}

.audience-list li:last-child {
    border-bottom: none;
}

.audience-list li::before {
    content: '\2192';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

/* Coaching Pricing */
.coaching-pricing {
    padding: var(--spacing-lg) 0;
    background: var(--color-bg-alt);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.pricing-card {
    background: var(--color-bg);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    text-align: center;
}

.pricing-card.featured {
    border-color: var(--color-accent);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

.pricing-card h3 {
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.pricing-card .price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.pricing-card p:last-child {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* About Page */
.about-content {
    padding: var(--spacing-xl) 0;
}

.about-content .container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.about-photo {
    width: 100%;
    aspect-ratio: 1;
    background: var(--color-bg-alt);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
}

.about-text h2 {
    margin-top: var(--spacing-md);
}

.about-text h2:first-child {
    margin-top: 0;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    list-style: none;
}

.skills-list li {
    background: var(--color-bg-alt);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
}

/* Contact Page */
.contact-content {
    padding: var(--spacing-xl) 0;
}

.contact-content .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.contact-info h2 {
    margin-bottom: var(--spacing-md);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.contact-method:last-child {
    border-bottom: none;
}

.contact-form h2 {
    margin-bottom: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

/* Footer */
.site-footer {
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.site-footer .container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.site-footer p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin: 0;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    h1 { font-size: 2rem; }
    .hero h1 { font-size: 2.25rem; }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        padding: var(--spacing-sm);
        gap: 0;
    }

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

    .nav-links li {
        border-bottom: 1px solid var(--color-border);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        display: block;
        padding: var(--spacing-sm);
    }

    .mobile-menu-toggle {
        display: flex;
    }

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

    .about-photo {
        max-width: 250px;
        margin: 0 auto;
    }

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

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

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
    }
}