/* ==========================================================================
   Design System & Styling - Portfolio Glosingson
   Font: 'Urbanist' (Google Fonts)
   Colors: Dark Mode with Direct Cyan (#00B0FF) and Flutter Blue (#02569B)
   ========================================================================== */

/* 1. Imports & CSS Variables */
@import url('https://fonts.googleapis.com/css2?family=Oregano&family=Urbanist:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-primary: #070a13;
    --bg-secondary: #0f1424;
    --bg-tertiary: #171d32;
    --border-color: #202b46;

    --color-cyan: #00B0FF;
    --color-blue: #02569B;
    --color-blue-light: #40c4ff;

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --font-family: 'Urbanist', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --header-height: 80px;
    --max-width: 1200px;
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --border-radius: 12px;
}

.losingtech-font {
    font-family: 'Oregano', cursive;
}

/* 2. Base & Typography */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-family);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

h1,
h2,
h3,
h4 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
}

/* 3. Layout Utilities */
.section-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 100px 24px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 16px;
    text-align: center;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--color-cyan);
    margin: 16px auto 0;
    border-radius: 2px;
}

.section-lead {
    font-size: 1.15rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

/* 4. Header & Fixed Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: transparent;
    border-bottom: none;
    z-index: 1000;
    transition: var(--transition-smooth);
}

.nav-container {
    max-width: 100%;
    height: 100%;
    margin: 0 auto;
    padding: 0 2%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 1.4rem;
    color: var(--text-primary);
}

.logo-icon {
    width: 32px;
    height: 32px;
    filter: invert(56%) sepia(87%) saturate(2250%) hue-rotate(172deg) brightness(101%) contrast(106%);
    /* Color matching --color-cyan */
}

.logo-text {
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 8px 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-cyan);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-cyan);
    transition: var(--transition-smooth);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Mobile Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1100;
}

.menu-toggle .bar {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-smooth);
}

/* 5. Hero Section */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-bg-img {
    position: absolute;
    right: 0;
    top: 0;
    width: 55%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right,
            var(--bg-primary) 0%,
            var(--bg-primary) 40%,
            rgba(7, 10, 19, 0.85) 52%,
            rgba(7, 10, 19, 0.4) 65%,
            rgba(7, 10, 19, 0) 100%);
    z-index: 2;
    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 3;
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 600;
    letter-spacing: -2px;
    color: var(--text-primary);
}

.hero-title-light {
    font-weight: 400;
}

.hero-subtitle {
    font-size: 1.4rem;
    color: var(--text-secondary);
    font-weight: 400;
    border-left: 3px solid var(--color-cyan);
    padding-left: 16px;
    line-height: 1.5;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-top: 12px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-primary {
    background-color: var(--color-cyan);
    color: #000;
    border: 1px solid var(--color-cyan);
}

.btn-primary:hover {
    background-color: var(--color-blue-light);
    border-color: var(--color-blue-light);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background-color: var(--bg-secondary);
    border-color: var(--text-secondary);
    transform: translateY(-2px);
}

/* 6. Achievements Section (Alternating Asymmetric Layout) */
.achievements-section {
    background-color: var(--bg-secondary);
}

.achievement-block {
    display: flex;
    align-items: center;
    gap: 80px;
    margin-bottom: 120px;
}

.achievement-block:last-child {
    margin-bottom: 0;
}

.achievement-block.reverse {
    flex-direction: row-reverse;
}

.block-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}

.block-img-wrapper {
    position: relative;
    display: inline-block;
    border-radius: 16px;
    z-index: 10;
    max-width: 500px;
    width: 100%;
}

#block-losingtech .block-img-wrapper,
#block-flutterfire .block-img-wrapper {
    max-width: 400px;
}

.block-img-wrapper::before,
.block-img-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 16px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
    z-index: -1;
    transition: var(--transition-smooth);
}

.block-img-wrapper::after {
    z-index: -2;
}

/* Modifiers */
.block-img-wrapper.tilt-right::before {
    transform: rotate(3.5deg) translate(4px, 2px);
    background-color: rgba(23, 29, 50, 0.75);
}

.block-img-wrapper.tilt-right::after {
    display: none;
}

.block-img-wrapper.tilt-right:hover::before {
    transform: rotate(1.5deg) translate(2px, 1px);
}

.block-img-wrapper.tilt-left::before {
    transform: rotate(-3.5deg) translate(-4px, 2px);
    background-color: rgba(23, 29, 50, 0.75);
}

.block-img-wrapper.tilt-left::after {
    display: none;
}

.block-img-wrapper.tilt-left:hover::before {
    transform: rotate(-1.5deg) translate(-2px, 1px);
}

.block-img-wrapper.stack-3::before {
    transform: rotate(-2.5deg) translate(-5px, -3px);
    background-color: rgba(23, 29, 50, 0.9);
}

.block-img-wrapper.stack-3::after {
    content: '';
    display: block;
    transform: rotate(3deg) translate(5px, 4px);
    background-color: rgba(20, 26, 46, 0.75);
    border: 1px solid var(--border-color);
}

.block-img-wrapper.stack-3:hover::before {
    transform: rotate(-1deg) translate(-2px, -1px);
}

.block-img-wrapper.stack-3:hover::after {
    transform: rotate(1.5deg) translate(2px, 2px);
}

.block-img {
    border-radius: 16px;
    width: 100%;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    background-color: var(--bg-tertiary);
    padding: 8px;
    transition: var(--transition-smooth);
}

.block-img-wrapper:hover .block-img {
    transform: scale(1.02);
    border-color: var(--color-cyan);
}

.block-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.block-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--color-cyan);
    align-self: flex-start;
}

.tag-icon {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    fill: none;
    transition: var(--transition-smooth);
}

.block-heading {
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.block-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.block-link {
    color: var(--color-cyan);
    font-weight: 600;
    align-self: flex-start;
    padding-bottom: 2px;
    border-bottom: 1px solid transparent;
}

.block-link:hover {
    color: var(--text-primary);
    border-bottom-color: var(--color-cyan);
    padding-left: 6px;
}

/* Stat badge */
.stat-badge {
    display: flex;
    align-items: center;
    gap: 16px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 12px 20px;
    border-radius: var(--border-radius);
    align-self: flex-start;
    margin-top: 10px;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--color-cyan);
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Platform CTA buttons */
.creator-platforms {
    display: flex;
    gap: 16px;
    margin-top: 12px;
}

.platform-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 0.95rem;
}

.platform-btn:hover {
    background-color: var(--bg-primary);
    border-color: var(--color-cyan);
    transform: translateY(-2px);
}

.platform-icon {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    fill: none;
    transition: var(--transition-smooth);
}

/* 7. Info Sections (Blogs / Labs) */
.info-section {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.grid-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.info-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 40px;
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: var(--transition-smooth);
}

.info-card:hover {
    border-color: var(--color-cyan);
    transform: translateY(-4px);
}

.info-card h4 {
    font-size: 1.5rem;
    font-weight: 600;
}

.info-card p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.6;
}

.card-link {
    color: var(--color-cyan);
    font-weight: 600;
    margin-top: auto;
    align-self: flex-start;
}

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

/* 8. Contact Section */
.contact-section {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}

.contact-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 80px 24px 40px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    width: 100%;
    flex-grow: 1;
    justify-content: center;
}

.contact-title {
    font-size: 3rem;
    font-weight: 600;
}

.contact-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 12px;
}

.contact-methods {
    display: flex;
    justify-content: center;
    width: 100%;
}

.contact-cta-btn {
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-cyan);
    border-bottom: 2px solid var(--color-cyan);
    padding-bottom: 8px;
}

.contact-cta-btn:hover {
    color: var(--text-primary);
    border-bottom-color: var(--text-primary);
}

/* 9. Footer */
.footer {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 40px 24px;
    width: 100%;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.footer-socials {
    display: flex;
    gap: 16px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.social-link svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    fill: none;
    transition: var(--transition-smooth);
}

.social-link:hover {
    border-color: var(--color-cyan);
    color: var(--text-primary);
}

/* 10. Scroll Animation Reveal Classes */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* 11. Responsive Styles (Media Queries) */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }

    .achievement-block {
        gap: 40px;
        margin-bottom: 80px;
    }

    .block-heading {
        font-size: 1.8rem;
    }
}

@media (max-width: 768px) {

    /* Header & Navigation */
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--bg-primary);
        flex-direction: column;
        justify-content: center;
        gap: 40px;
        padding-bottom: 100px;
        transform: translateX(100%);
        transition: var(--transition-smooth);
        border-top: 1px solid var(--border-color);
    }

    .nav-menu.open {
        transform: translateX(0);
    }

    .nav-link {
        font-size: 1.25rem;
    }

    /* Burger Menu Animations */
    .menu-toggle.open .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .menu-toggle.open .bar:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.open .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    /* Hero Section */
    .hero-section {
        height: auto;
        min-height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
        padding-top: calc(var(--header-height) + 60px);
        padding-bottom: 80px;
    }

    .hero-bg-img {
        width: 100%;
        opacity: 0.22;
        object-position: center 20%;
    }

    .hero-overlay {
        background: radial-gradient(circle at center, rgba(7, 10, 19, 0.4) 0%, var(--bg-primary) 85%);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
        padding-top: 0;
        width: 100%;
    }

    .hero-title {
        font-size: clamp(2.2rem, 8.5vw, 3rem);
        letter-spacing: -1px;
        line-height: 1.25;
    }

    .hero-subtitle {
        font-size: clamp(1.05rem, 4vw, 1.2rem);
        border-left: none;
        border-bottom: 3px solid var(--color-cyan);
        padding-left: 0;
        padding-bottom: 20px;
        max-width: 480px;
        margin: 0 auto;
    }

    .hero-actions {
        justify-content: center;
    }

    /* Achievements */
    .section-title {
        font-size: clamp(1.8rem, 6vw, 2.2rem);
    }

    .section-lead {
        font-size: 1rem;
        margin-bottom: 40px;
    }

    .logo {
        font-size: 1.2rem;
    }

    .achievement-block,
    .achievement-block.reverse {
        flex-direction: column;
        gap: 30px;
        margin-bottom: 70px;
        text-align: center;
    }

    .block-heading {
        font-size: clamp(1.4rem, 5vw, 1.7rem);
    }

    .block-text {
        font-size: 0.95rem;
    }

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

    .stat-label {
        font-size: 0.85rem;
    }

    .block-tag,
    .block-link,
    .stat-badge {
        align-self: center;
    }

    .creator-platforms {
        justify-content: center;
    }

    /* Grid Layouts */
    .grid-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .info-card {
        padding: 30px;
    }

    .info-card h4 {
        font-size: 1.25rem;
    }

    .info-card p {
        font-size: 0.95rem;
    }

    /* Contact & Footer */
    .contact-title {
        font-size: clamp(2rem, 7vw, 2.4rem);
    }

    .contact-subtitle {
        font-size: 1rem;
    }

    .contact-cta-btn {
        font-size: clamp(1.2rem, 4vw, 1.5rem);
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
    }
}