/* ========================================
   LJAK.com — Personal Brand Site
   ======================================== */

:root {
    --color-bg: #0a0a0b;
    --color-bg-alt: #111113;
    --color-surface: #1a1a1f;
    --color-border: #2a2a30;
    --color-text: #e8e8ec;
    --color-text-muted: #8b8b96;
    --color-accent: #6366f1;
    --color-accent-light: #818cf8;
    --color-accent-glow: rgba(99, 102, 241, 0.15);
    --color-gradient-1: #6366f1;
    --color-gradient-2: #a78bfa;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Space Grotesk', 'Inter', sans-serif;
    --max-width: 1140px;
    --radius: 12px;
    --transition: 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; height: auto; }

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   Navigation
   ======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 11, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: var(--transition);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all var(--transition);
    border: none;
}

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

.btn-primary:hover {
    background: var(--color-accent-light);
    transform: translateY(-1px);
    box-shadow: 0 8px 30px var(--color-accent-glow);
}

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

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

.btn-sm {
    padding: 8px 20px;
    font-size: 0.85rem;
    border-radius: 6px;
    background: var(--color-accent);
    color: #fff;
}

.btn-sm:hover {
    background: var(--color-accent-light);
}

/* ========================================
   Hero
   ======================================== */
.hero {
    padding: 160px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero > .container {
    display: flex;
    align-items: center;
    gap: 80px;
}

.hero-content {
    flex: 1;
}

.hero-label {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent-light);
    margin-bottom: 20px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-gradient-1), var(--color-gradient-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    line-height: 1.7;
    color: var(--color-text-muted);
    max-width: 560px;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.hero-image {
    flex-shrink: 0;
}

.headshot {
    width: 300px;
    height: 360px;
    border-radius: var(--radius);
    object-fit: cover;
    object-position: center top;
    border: 1px solid var(--color-border);
}

/* ========================================
   Sections
   ======================================== */
.section {
    padding: 100px 0;
}

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

.section-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-accent-light);
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 48px;
}

/* ========================================
   About
   ======================================== */
.about-grid {
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}

.about-text h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.about-text p {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

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

/* ========================================
   Services
   ======================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 36px;
    transition: all var(--transition);
}

.service-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.service-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: var(--color-accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-light);
    margin-bottom: 20px;
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.service-card > p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-list li {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    padding-left: 18px;
    position: relative;
}

.service-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
}

/* ========================================
   Timeline / Experience
   ======================================== */
.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--color-border);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -40px;
    top: 8px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-bg);
    border: 2px solid var(--color-accent);
}

.timeline-content {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 28px;
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
    gap: 16px;
}

.timeline-content h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
}

.timeline-company {
    color: var(--color-accent-light);
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: 2px;
}

.timeline-date {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}

.timeline-content > p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

.timeline-content > .venture-link {
    display: inline-block;
    margin-top: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-accent-light);
    transition: color var(--transition);
}

.timeline-content > .venture-link:hover {
    color: var(--color-text);
}

/* ========================================
   Ventures
   ======================================== */
.ventures-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.venture-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 40px;
    transition: all var(--transition);
}

.venture-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.venture-logo {
    margin-bottom: 16px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
}

.venture-role {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}

.venture-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.venture-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-accent-light);
    transition: color var(--transition);
}

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

/* ========================================
   Logos Strip
   ======================================== */
.logos-section {
    padding: 60px 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.logos-label {
    text-align: center;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-muted);
    margin-bottom: 32px;
}

.logos-strip {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.logo-item img {
    height: 28px;
    opacity: 0.5;
    filter: brightness(0) invert(1);
    transition: opacity var(--transition);
}

.logo-item:hover img {
    opacity: 0.8;
}

.logo-text-strip {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-muted);
    opacity: 0.5;
    transition: opacity var(--transition);
}

.logo-item:hover .logo-text-strip {
    opacity: 0.8;
}

/* ========================================
   Contact
   ======================================== */
.contact-inner {
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
}

.contact-subtitle {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 36px;
}

.contact-methods {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: 32px 0;
    border-top: 1px solid var(--color-border);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
}

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

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-bg);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 32px;
    }

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

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 120px 0 60px;
        min-height: auto;
    }

    .hero > .container {
        flex-direction: column;
        gap: 40px;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-stats {
        gap: 24px;
    }

    .hero-image {
        display: none;
    }

    .hero-actions {
        flex-direction: column;
        margin-bottom: 40px;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 1.8rem;
        margin-bottom: 32px;
    }

    .services-grid,
    .ventures-grid {
        grid-template-columns: 1fr;
    }

    .timeline-header {
        flex-direction: column;
    }

    .contact-methods {
        flex-direction: column;
        align-items: center;
    }

    .footer-inner {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .logos-strip {
        gap: 32px;
    }
}

/* ========================================
   Animations
   ======================================== */
@media (prefers-reduced-motion: no-preference) {
    .hero-content,
    .service-card,
    .timeline-item,
    .venture-card {
        opacity: 0;
        transform: translateY(24px);
        animation: fadeUp 0.6s ease forwards;
    }

    .hero-content { animation-delay: 0.1s; }
    .service-card:nth-child(1) { animation-delay: 0.1s; }
    .service-card:nth-child(2) { animation-delay: 0.2s; }
    .service-card:nth-child(3) { animation-delay: 0.3s; }
    .service-card:nth-child(4) { animation-delay: 0.4s; }
    .timeline-item:nth-child(1) { animation-delay: 0.1s; }
    .timeline-item:nth-child(2) { animation-delay: 0.2s; }
    .timeline-item:nth-child(3) { animation-delay: 0.3s; }
    .timeline-item:nth-child(4) { animation-delay: 0.4s; }
    .timeline-item:nth-child(5) { animation-delay: 0.5s; }
    .venture-card:nth-child(1) { animation-delay: 0.1s; }
    .venture-card:nth-child(2) { animation-delay: 0.2s; }
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}