/* CSS Variables - TRE Brand Colors */
:root {
    --tre-black: #000000;
    --tre-green: #39FF14;
    --tre-green-rgb: 57, 255, 20;
    /* For rgba usage */
    --tre-green-dark: #2ECC71;
    --tre-white: #FFFFFF;
    --background: #000000;
    --foreground: #FFFFFF;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--tre-black);
    color: var(--tre-white);
    font-family: 'Inter', system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--tre-black);
}

::-webkit-scrollbar-thumb {
    background: var(--tre-green);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--tre-green-dark);
}


/* Layout */
.min-h-screen {
    min-height: 100vh;
}

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

.flex-1 {
    flex: 1;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

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

/* Animations */
@keyframes glow {
    0% {
        filter: drop-shadow(0 0 5px var(--tre-green)) drop-shadow(0 0 10px var(--tre-green)) drop-shadow(0 0 15px var(--tre-green));
    }

    100% {
        filter: drop-shadow(0 0 10px var(--tre-green)) drop-shadow(0 0 20px var(--tre-green)) drop-shadow(0 0 30px var(--tre-green));
    }
}

@keyframes fadeIn {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

@keyframes slideUp {
    0% {
        transform: translateY(20px);
        opacity: 0;
    }

    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

.animate-glow {
    animation: glow 2s ease-in-out infinite alternate;
}

.animate-fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}

.animate-slide-up {
    animation: slideUp 0.8s ease-out forwards;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid rgba(var(--tre-green-rgb), 0.2);
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-logo {
    width: 2.5rem;
    height: 2.5rem;
}

.header-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--tre-green);
    font-family: 'JetBrains Mono', monospace;
    white-space: nowrap;
}

.header-nav {
    display: none;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    color: var(--tre-white);
    text-decoration: none;
    font-family: 'JetBrains Mono', monospace;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--tre-green);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(to bottom right, var(--tre-black), var(--tre-black), rgba(0, 0, 0, 0.95));
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
}

.hero-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(var(--tre-green-rgb), 0.05), transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
}

.hero-logo-container {
    margin-bottom: 3rem;
    padding-top: 2rem;
}

.hero-logo {
    margin: 0 auto 1.5rem;
    width: 100%;
    max-width: min(600px, 90vw);
    height: auto;
    max-height: min(600px, 80vh);
}


.hero-mission {
    margin-bottom: 4rem;
}

.hero-title-white {
    font-size: clamp(1.5rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--tre-white);
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-title-green {
    font-size: clamp(1.5rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--tre-green);
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 3vw, 1.5rem);
    color: var(--tre-white);
    max-width: 56rem;
    margin: 0 auto;
    line-height: 1.6;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-tech {
    margin-bottom: 2rem;
}

.tech-badge {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 1rem;
    border: 1px solid var(--tre-green);
    box-shadow: 0 0 6px rgba(var(--tre-green-rgb), 0.3), inset 0 0 6px rgba(var(--tre-green-rgb), 0.05);
}

.tech-label {
    color: var(--tre-white);
    font-size: 0.875rem;
    font-weight: 500;
}

.tech-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.5rem 1.5rem;
}

.tech-item {
    color: var(--tre-green);
    font-weight: 600;
    font-size: clamp(1rem, 2vw, 1.125rem);
}

/* Projects Section */
.projects-section {
    padding: 4rem 0;
    background: linear-gradient(to bottom, var(--tre-black), rgba(0, 0, 0, 0.95));
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    text-align: center;
    color: var(--tre-green);
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 3rem;
}

.project-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.project-card {
    position: relative;
    border: 1px solid rgba(var(--tre-green-rgb), 0.15);
    border-radius: 0.75rem;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    background: rgba(10, 10, 10, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.project-card:hover {
    border-color: rgba(var(--tre-green-rgb), 0.5);
    box-shadow: 0 12px 40px rgba(var(--tre-green-rgb), 0.15);
    background: rgba(15, 15, 15, 0.8);
    transform: translateY(-4px);
}

.project-image-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: #000;
    border-bottom: 2px solid rgba(var(--tre-green-rgb), 0.2);
    /* Internal rounded corners for "screen" feel */
    border-radius: 0.5rem 0.5rem 0 0;
}

.project-image-wrapper {
    width: 100%;
    /* Display contents allows the child to participate in the grid/flex parent directly if needed, 
       but here we just need it to be a block that doesn't mess up spacing */
    display: block;
}

.project-image-link {
    display: block;
    text-decoration: none;
    cursor: pointer;
    color: inherit;
}

/* CRT Screen Effects Overlay */
.project-image-container::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 2;
    background:
        /* Vignette */
        radial-gradient(circle at 50% 50%, transparent 30%, rgba(0, 0, 0, 0.5) 60%, rgba(0, 0, 0, 1) 90%),
        /* Rolling Hum Bar */
        linear-gradient(to bottom, transparent 50%, rgba(var(--tre-green-rgb), 0.05) 50%, rgba(var(--tre-green-rgb), 0.03) 52%, transparent 60%),
        /* High-quality scanlines */
        repeating-linear-gradient(0deg,
            transparent,
            transparent 1px,
            rgba(var(--tre-green-rgb), 0.08) 1px,
            rgba(var(--tre-green-rgb), 0.08) 2px);
    background-size: 100% 100%, 100% 200%, 100% 4px;
    animation: crt-scroll 8s linear infinite;
    animation-delay: var(--anim-delay, 0s);
}

@keyframes crt-scroll {
    0% {
        background-position: 0 0, 0 0, 0 0;
    }

    100% {
        background-position: 0 0, 0 100%, 0 20px;
    }
}

@keyframes screen-flicker {
    0% {
        opacity: 0.99;
        filter: brightness(0.8) contrast(1.2) sepia(0.2) hue-rotate(80deg);
        transform: translateY(0);
    }

    3% {
        opacity: 0.95;
        filter: brightness(0.9) contrast(1.1) sepia(0.2) hue-rotate(80deg);
        transform: translateY(0.5px);
    }

    5% {
        opacity: 0.98;
        filter: brightness(0.8) contrast(1.2) sepia(0.2) hue-rotate(80deg);
    }

    7% {
        opacity: 0.96;
        filter: brightness(0.85) contrast(1.1) sepia(0.2) hue-rotate(80.5deg);
    }

    10% {
        opacity: 0.99;
        filter: brightness(0.8) contrast(1.2) sepia(0.2) hue-rotate(80deg);
    }

    11% {
        opacity: 0.85;
        filter: brightness(1.1) contrast(1) sepia(0.1) hue-rotate(80deg);
        transform: translateY(-0.5px);
    }

    /* Glitch spike */
    13% {
        opacity: 0.99;
        filter: brightness(0.8) contrast(1.2) sepia(0.2) hue-rotate(80deg);
    }

    30% {
        opacity: 0.97;
        filter: brightness(0.9) contrast(1.1) sepia(0.2) hue-rotate(81deg);
    }

    32% {
        opacity: 1;
        filter: brightness(0.8) contrast(1.2) sepia(0.2) hue-rotate(80deg);
    }

    45% {
        opacity: 0.98;
        filter: brightness(0.8) contrast(1.2) sepia(0.2) hue-rotate(80deg);
    }

    46% {
        opacity: 0.94;
        filter: brightness(0.7) contrast(1.3) sepia(0.2) hue-rotate(80deg);
    }

    /* Power dip */
    48% {
        opacity: 0.99;
        filter: brightness(0.8) contrast(1.2) sepia(0.2) hue-rotate(80deg);
    }

    100% {
        opacity: 0.99;
        filter: brightness(0.8) contrast(1.2) sepia(0.2) hue-rotate(80deg);
    }
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    /* Prioritize the top part of portrait images */
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    /* Slight green phosphor tint */
    filter: brightness(0.8) contrast(1.2) sepia(0.2) hue-rotate(80deg);
    animation: screen-flicker 4s infinite;
    /* Base duration */
    animation-delay: var(--anim-delay, 0s);
    animation-timing-function: steps(60);
    /* Jerky movement */
}

.project-card:hover .project-image {
    transform: scale(1.05);
    filter: brightness(1) contrast(1.1) sepia(0.1) hue-rotate(80deg);
}

.project-image-container.placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #050505;
}

.project-image-container.placeholder::before {
    content: "";
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(45deg,
            rgba(var(--tre-green-rgb), 0.02) 0px,
            rgba(var(--tre-green-rgb), 0.02) 1px,
            transparent 1px,
            transparent 10px);
}

.placeholder-icon {
    width: 2.5rem;
    height: 2.5rem;
    color: rgba(var(--tre-green-rgb), 0.05);
    /* Very subtle phosphor burn-in look */
    transition: all 0.3s ease;
    filter: drop-shadow(0 0 5px rgba(50, 255, 50, 0.1));
}

.project-card:hover .placeholder-icon {
    color: rgba(var(--tre-green-rgb), 0.2);
    filter: drop-shadow(0 0 8px rgba(50, 255, 50, 0.3));
}

.placeholder-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 50% 50%, rgba(var(--tre-green-rgb), 0.05), transparent 70%),
        repeating-linear-gradient(0deg,
            transparent,
            transparent 2px,
            rgba(var(--tre-green-rgb), 0.02) 2px,
            rgba(var(--tre-green-rgb), 0.02) 4px);
    pointer-events: none;
}

.project-card-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: rgba(0, 0, 0, 0, 0.5);
}

.project-card-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    flex: 1;
    /* Stretch to fill equal-height cards */
    padding: 1rem 1.5rem 1.5rem;
    /* Reduced top padding */
}

.project-header {
    margin-bottom: 0.75rem;
    /* Tighter spacing */
}

.project-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--tre-green);
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.project-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    line-height: 1.6;
}

.project-footer {
    padding-top: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.project-date {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.25rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.date-icon {
    width: 1rem;
    height: 1rem;
}

.project-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.project-links-full {
    grid-template-columns: 1fr;
}

/* Buttons */
.project-btn,
.contact-btn {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 2rem;
    color: rgba(var(--tre-green-rgb), 1);
    text-decoration: none;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid rgba(var(--tre-green-rgb), 0.5);
    background: rgba(0, 0, 0, 0.8);
    transition: all 0.3s ease;
}

.btn-icon {
    width: 1.25rem;
    height: 1.25rem;
    fill: currentColor;
    transition: transform 0.3s ease;
}

.contact-btn:hover .btn-icon {
    transform: scale(1.1);
}

.project-btn:hover,
.contact-btn:hover {
    transform: scale(1.05);
}

.project-btn:active,
.contact-btn:active {
    transform: scale(0.95);
}

.project-btn-full {
    grid-column: span 2;
}

.btn-fill {
    position: absolute;
    inset: 0;
    background: var(--tre-green);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease-out;
}

.project-btn:hover .btn-fill,
.contact-btn:hover .btn-fill {
    transform: scaleX(1);
}

.btn-text {
    position: relative;
    z-index: 1;
    transition: color 0.3s;
}

.project-btn:hover .btn-text,
.contact-btn:hover .btn-text {
    color: var(--tre-black);
}

.contact-btn {
    padding: 0.75rem 2rem;
    border-width: 2px;
    border-radius: 0.5rem;
}

/* About Section */
.about-section {
    padding: 2rem 0;
    background: rgba(0, 0, 0, 0.95);
}

.about-content {
    max-width: 56rem;
    margin: 0 auto;
}

.about-text {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.about-divider {
    border-top: 1px solid rgba(var(--tre-green-rgb), 0.2);
    padding-top: 1.5rem;
}

.about-bio {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.about-link {
    color: var(--tre-green);
    text-decoration: underline;
    transition: color 0.2s;
}

.about-link:hover {
    color: var(--tre-green-dark);
}

.about-founded {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    font-family: 'JetBrains Mono', monospace;
}

/* Contact Section */
.contact-section {
    padding: 2rem 0;
    background: linear-gradient(to top, var(--tre-black), rgba(0, 0, 0, 0.95));
}

.contact-text {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 42rem;
    margin: 0 auto 2rem;
}

.contact-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

/* Footer */
.footer {
    border-top: 1px solid rgba(var(--tre-green-rgb), 0.2);
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.footer .container {
    padding: 1.5rem 1rem;
}

.footer-text {
    color: rgba(255, 255, 255, 0.7);
    font-family: 'JetBrains Mono', monospace;
}

/* Responsive Design */
@media (min-width: 768px) {
    .header-title {
        font-size: 1.5rem;
    }

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

@media (min-width: 1024px) {
    .header-nav {
        display: flex;
    }

    .header-title {
        font-size: 1.5rem;
    }

    .project-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* iOS Safari Fixes */
@supports (-webkit-touch-callout: none) {
    .min-h-screen {
        min-height: -webkit-fill-available;
    }

    .hero-section {
        min-height: -webkit-fill-available;
    }
}

/* Mobile Touch Targets */
@media (max-width: 768px) {

    .nav-link,
    .project-btn,
    .contact-btn,
    a {
        min-height: 44px;
        min-width: 44px;
    }

    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .hero-logo {
        max-width: 90vw;
    }
}

/* Project Topics */
.project-topics {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.4rem;
    margin-top: auto;
    margin-bottom: 1rem;
    padding-top: 1rem;
}

.topic-tag {
    font-size: 0.7rem;
    font-family: 'JetBrains Mono', monospace;
    color: rgba(var(--tre-green-rgb), 0.8);
    background: rgba(var(--tre-green-rgb), 0.05);
    border: 1px solid rgba(var(--tre-green-rgb), 0.15);
    padding: 0.1rem 0.4rem;
    border-radius: 0.2rem;
    white-space: nowrap;
    transition: all 0.2s ease;
    cursor: default;
}

.topic-tag:hover {
    color: var(--tre-green);
    background: rgba(var(--tre-green-rgb), 0.15);
    border-color: rgba(var(--tre-green-rgb), 0.5);
    box-shadow: 0 0 5px rgba(var(--tre-green-rgb), 0.2);
    transform: translateY(-1px);
    text-shadow: 0 0 2px rgba(var(--tre-green-rgb), 0.5);
}