/* ========================================
   Gambit Invest AS - Nordic Minimalist Design
   ======================================== */

/* CSS Variables */
:root {
    --color-primary: #1a365d;
    --color-primary-light: #2c5282;
    --color-secondary: #4a5568;
    --color-accent: #3182ce;
    --color-text: #2d3748;
    --color-text-light: #718096;
    --color-background: #ffffff;
    --color-background-alt: #f7fafc;
    --color-border: #e2e8f0;
    --color-success: #38a169;
    --color-error: #e53e3e;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);

    --border-radius: 4px;
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    line-height: 1.3;
    color: var(--color-primary);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 400;
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 1.25rem;
    font-weight: 500;
}

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

.lead {
    font-size: 1.25rem;
    color: var(--color-secondary);
    line-height: 1.7;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-family: var(--font-family);
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-transform: uppercase;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-light);
    color: var(--color-background);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    transition: all var(--transition-normal);
}

.nav.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-sm);
}

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

.logo {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-background);
    letter-spacing: 0.02em;
    transition: color var(--transition-fast);
}

.nav.scrolled .logo {
    color: var(--color-primary);
}

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

.nav-links a {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9375rem;
    font-weight: 400;
    transition: color var(--transition-fast);
}

.nav.scrolled .nav-links a {
    color: var(--color-secondary);
}

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

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

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-left: var(--spacing-sm);
}

.lang-btn {
    padding: 0.25rem 0.5rem;
    font-family: var(--font-family);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-btn:first-child {
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.lang-btn:last-child {
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.lang-btn.active {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-background);
    border-color: rgba(255, 255, 255, 0.5);
}

.lang-btn:hover:not(.active) {
    color: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.5);
}

.nav.scrolled .lang-btn {
    border-color: var(--color-border);
    color: var(--color-text-light);
}

.nav.scrolled .lang-btn.active {
    background: var(--color-primary);
    color: var(--color-background);
    border-color: var(--color-primary);
}

.nav.scrolled .lang-btn:hover:not(.active) {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-background);
    transition: all var(--transition-fast);
}

.nav.scrolled .mobile-menu-btn span {
    background-color: var(--color-primary);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background-color: var(--color-primary);
}

.hero-slideshow {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0;
    transition: opacity 2s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(
        to bottom,
        rgba(26, 54, 93, 0.6) 0%,
        rgba(26, 54, 93, 0.4) 50%,
        rgba(26, 54, 93, 0.7) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--color-background);
    padding: var(--spacing-md);
}

.hero-tagline {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 300;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-xs);
    opacity: 0.9;
}

.hero h1 {
    color: var(--color-background);
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    font-weight: 300;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.hero-credit {
    position: absolute;
    bottom: var(--spacing-sm);
    right: var(--spacing-md);
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    z-index: 3;
}

#current-photographer {
    transition: opacity 0.5s ease;
}

.hero-credit a {
    color: rgba(255, 255, 255, 0.8);
}

.hero-credit a:hover {
    color: var(--color-background);
}

/* Sections */
.section {
    padding: var(--spacing-xl) 0;
}

.section-intro {
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin-bottom: var(--spacing-lg);
}

/* About Section */
.about {
    background-color: var(--color-background);
}

.about-content {
    max-width: 800px;
}

.about-content p {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

/* Investment Thesis Section */
.thesis {
    position: relative;
    background-color: var(--color-primary);
    color: var(--color-background);
    overflow: hidden;
}

.thesis-bg {
    position: absolute;
    inset: 0;
    /* Norwegian fjord - Nærøyfjord by Johny Goerend */
    background-image: url('https://images.unsplash.com/photo-1520769945061-0a448c463865?q=80&w=2070&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
}

.thesis .container {
    position: relative;
    z-index: 1;
}

.thesis h2 {
    color: var(--color-background);
}

.thesis .section-intro {
    color: rgba(255, 255, 255, 0.8);
}

.thesis-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.thesis-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
}

.thesis-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
}

.thesis-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-sm);
}

.thesis-icon svg {
    width: 100%;
    height: 100%;
    stroke: rgba(255, 255, 255, 0.9);
}

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

.thesis-card p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

.thesis-credit {
    position: absolute;
    bottom: var(--spacing-sm);
    right: var(--spacing-md);
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
    z-index: 1;
}

.thesis-credit a {
    color: rgba(255, 255, 255, 0.6);
}

/* Portfolio Section */
.portfolio {
    background-color: var(--color-background-alt);
}

/* Portfolio Stats */
.portfolio-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-background);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-sm);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Portfolio Filters */
.portfolio-filters {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-background);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

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

.filter-group:last-child {
    margin-bottom: 0;
}

.filter-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xs);
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter-btn {
    padding: 0.5rem 1rem;
    font-family: var(--font-family);
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--color-text-light);
    background: var(--color-background-alt);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.filter-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-background);
}

.portfolio-card.hidden {
    display: none;
}

.portfolio-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--color-text-light);
}

.portfolio-section-title {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-text-light);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

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

.portfolio-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.portfolio-logo {
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-background-alt) 0%, var(--color-border) 100%);
    border-bottom: 1px solid var(--color-border);
    overflow: hidden;
    position: relative;
}

.portfolio-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.portfolio-card:hover .portfolio-logo img {
    transform: scale(1.05);
}

.portfolio-logo a {
    display: block;
    width: 100%;
    height: 100%;
}

/* Transparent logo mode - use class "logo-contain" on .portfolio-logo */
.portfolio-logo.logo-contain {
    background: var(--color-background);
    padding: var(--spacing-md);
}

.portfolio-logo.logo-contain img {
    object-fit: contain;
    max-height: 100%;
    max-width: 100%;
}

/* Screenshot cards get more vertical space */
.portfolio-logo.screenshot-browser,
.portfolio-logo.screenshot-plain {
    height: 200px;
}

/* Browser window mockup (software/fintech) */
.portfolio-logo.screenshot-browser {
    background: #e8ecf1;
    padding: 28px 8px 8px;
    position: relative;
}

.portfolio-logo.screenshot-browser::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 24px;
    background: #dde1e6;
    border-bottom: 1px solid #ccd0d5;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    z-index: 1;
}

.portfolio-logo.screenshot-browser::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 10px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ff5f57;
    z-index: 2;
    box-shadow:
        14px 0 0 #febc2e,
        28px 0 0 #28c840;
}

.portfolio-logo.screenshot-browser img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    border-radius: 0 0 2px 2px;
    display: block;
}

.portfolio-card:hover .portfolio-logo.screenshot-browser img {
    transform: none;
}

/* Plain screenshot frame (hardware/industrial) */
.portfolio-logo.screenshot-plain {
    background: #f0f2f5;
    padding: 10px;
}

.portfolio-logo.screenshot-plain img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    border-radius: 2px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
    display: block;
}

.portfolio-card:hover .portfolio-logo.screenshot-plain img {
    transform: none;
}

.logo-placeholder {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-text-light);
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.portfolio-info {
    padding: var(--spacing-md);
}

.portfolio-info h3 {
    margin-bottom: var(--spacing-xs);
}

.portfolio-description {
    color: var(--color-text-light);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-sm);
}

.portfolio-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
}

.meta-item {
    color: var(--color-text-light);
}

.meta-item strong {
    color: var(--color-secondary);
    font-weight: 500;
}

.status {
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    font-weight: 500;
    font-size: 0.8125rem;
}

.status.active {
    background-color: rgba(56, 161, 105, 0.1);
    color: var(--color-success);
}

.status.growth {
    background-color: rgba(49, 130, 206, 0.1);
    color: var(--color-accent);
}

.status.expansion {
    background-color: rgba(128, 90, 213, 0.1);
    color: #805ad5;
}

.status.exited {
    background-color: rgba(236, 201, 75, 0.15);
    color: #b7791f;
}

.status.closed {
    background-color: rgba(113, 128, 150, 0.1);
    color: var(--color-text-light);
}

/* Contact Section */
.contact {
    position: relative;
    background-color: var(--color-primary);
    color: var(--color-background);
    overflow: hidden;
}

.contact-bg {
    position: absolute;
    inset: 0;
    /* Norwegian fjord - Sognefjord area by Daniil Vnoutchkov */
    background-image: url('https://images.unsplash.com/photo-1513519245088-0e12902e35ca?q=80&w=2070&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    opacity: 0.12;
}

.contact .container {
    position: relative;
    z-index: 1;
}

.contact h2 {
    color: var(--color-background);
}

.contact .section-intro {
    color: rgba(255, 255, 255, 0.8);
}

/* Contact Details */
.contact-details {
    margin-bottom: var(--spacing-md);
}

.contact-person h3 {
    color: var(--color-background);
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.contact-name {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    font-weight: 400;
    margin-bottom: 0.25rem;
}

.contact-email-link a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding-bottom: 1px;
}

.contact-email-link a:hover {
    color: var(--color-background);
    border-color: var(--color-background);
}


.contact-credit {
    position: absolute;
    bottom: var(--spacing-sm);
    right: var(--spacing-md);
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
    z-index: 1;
}

.contact-credit a {
    color: rgba(255, 255, 255, 0.6);
}

/* Footer */
.footer {
    background-color: #0d1b2a;
    color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-background);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.footer-brand p {
    font-size: 0.875rem;
    margin-bottom: 0;
}

.footer-org {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 0.25rem;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
}

.footer-bottom p {
    margin-bottom: 0;
}

.made-with a {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.made-with a:hover {
    color: var(--color-background);
}

/* Responsive Styles */
@media (max-width: 768px) {
    .lang-switcher {
        margin-left: auto;
        margin-right: var(--spacing-sm);
    }

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

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--color-background);
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        box-shadow: var(--shadow-md);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all var(--transition-normal);
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

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

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

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero-slide {
        background-attachment: scroll;
    }

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

    .stat-number {
        font-size: 2rem;
    }

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

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

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .footer-links {
        flex-wrap: wrap;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-xs);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .section {
        padding: var(--spacing-lg) 0;
    }

    .portfolio-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .hero-credit,
    .thesis-credit,
    .contact-credit {
        left: var(--spacing-sm);
        right: var(--spacing-sm);
        text-align: center;
    }

    .portfolio-logo.screenshot-browser,
    .portfolio-logo.screenshot-plain {
        height: 160px;
    }

    .portfolio-logo.screenshot-browser {
        padding: 24px 6px 6px;
    }

    .portfolio-logo.screenshot-browser::before {
        height: 20px;
    }

    .portfolio-logo.screenshot-browser::after {
        top: 6px;
        left: 8px;
        width: 6px;
        height: 6px;
        box-shadow:
            12px 0 0 #febc2e,
            24px 0 0 #28c840;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

/* Scroll animations - add 'animate' class via JS if desired */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}