:root {
    --bg-main: #0a0a0c;
    --bg-secondary: #121216;
    --bg-card: #18181d;
    --text-primary: #ededf0;
    --text-secondary: #9a9cae;
    --accent-blue: #4f80ff;
    --accent-purple: #9b6cff;
    --border-color: #2a2a35;
    --hero-heading-gradient-1: #fff;
    
    --font-sans: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4 {
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.mono-accent {
    font-family: var(--font-mono);
    color: var(--accent-blue);
    font-size: 0.875rem;
    letter-spacing: 1px;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition-fast);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: #fff;
}

.btn-primary:hover {
    box-shadow: 0 4px 20px rgba(155, 108, 255, 0.5);
    transform: translateY(-2px) scale(1.02);
}

.btn-secondary {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-primary);
}

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

.btn-outline {
    border-color: rgba(79, 128, 255, 0.5);
    color: var(--text-primary);
}

.btn-outline:hover {
    color: var(--text-primary);
    border-color: var(--text-primary);
}

.btn-link {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--accent-blue);
    display: inline-flex;
    align-items: center;
}

.btn-link:hover {
    color: var(--accent-purple);
}

.btn-link-primary {
    border: 1px solid rgba(79, 128, 255, 0.4);
    padding: 0.4rem 0.9rem;
    border-radius: 4px;
    color: #4f80ff;
    transition: background 0.2s ease, border-color 0.2s ease;
}
.btn-link-primary:hover {
    background: rgba(79, 128, 255, 0.08);
    border-color: rgba(79, 128, 255, 0.7);
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: color-mix(in srgb, var(--bg-main) 90%, transparent);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: -0.02em;
    color: var(--text-secondary);
    text-decoration: none;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

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

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

.nav-btn {
    padding: 0.5rem 1rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: transparent;
    border: none;
    padding: 0;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
}
.hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

section {
    padding: 6rem 0;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    padding-bottom: 4rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 10%; left: 10%;
    width: 40vw; height: 40vw;
    background: radial-gradient(circle, rgba(79, 128, 255, 0.08) 0%, rgba(10, 10, 12, 0) 70%);
    border-radius: 50%;
    z-index: -1;
    animation: breathe 8s ease-in-out infinite alternate;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 10%; right: 10%;
    width: 30vw; height: 30vw;
    background: radial-gradient(circle, rgba(155, 108, 255, 0.06) 0%, rgba(10, 10, 12, 0) 70%);
    border-radius: 50%;
    z-index: -1;
    animation: breathe 10s ease-in-out infinite alternate-reverse;
}

@keyframes breathe {
    0% { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.2) translate(10%, 10%); }
}

/* Noise / grain texture overlay on hero */
.hero .hero-noise {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-size: 200px 200px;
    background-repeat: repeat;
}

/* Animated highlight on hero keywords */
.highlight-word {
    position: relative;
    display: inline-block;
    /* Override gradient clip to allow real color */
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    color: inherit;
}

.highlight-word::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -3px;
    width: 100%;
    height: 3px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    transform: scaleX(0);
    transform-origin: left;
    animation: underline-expand 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

#highlight-startups::after {
    animation-delay: 0.7s;
}

#highlight-reliable::after {
    animation-delay: 1.0s;
}

@keyframes underline-expand {
    from { transform: scaleX(0); }
    to   { transform: scaleX(1); }
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 1100px;
    margin: 0 auto;
}

.hero-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
}

.hero-text {
    text-align: left;
}

.hero-text .mono-accent {
    display: inline-block;
}

.hero-text .hero-heading {
    font-size: 3.5rem;
    font-weight: 700;
    margin: 1.5rem 0;
    background: linear-gradient(to right, var(--hero-heading-gradient-1), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.hero-text .hero-actions {
    justify-content: flex-start;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-profile {
    width: 320px;
    height: 320px;
    border: 2px solid rgba(79, 128, 255, 0.5);
    box-shadow: 0 0 0 4px rgba(79, 128, 255, 0.08), 0 8px 32px rgba(79, 128, 255, 0.2);
    border-radius: 50%;
    object-fit: cover;
}

/* Re-apply colour inside gradient text for highlighted words */
.hero-heading .highlight-word {
    background: linear-gradient(to right, var(--hero-heading-gradient-1), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header {
    margin-bottom: 3rem;
    padding-left: 1.25rem;
    border-left: 3px solid var(--accent-blue);
}

.section-header h2 {
    font-size: 2.5rem;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.projects-featured {
    display: flex;
    flex-direction: column;
    gap: 8rem;
    margin-top: 4rem;
}

.project-showcase {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.project-showcase.reverse {
    grid-template-columns: 0.9fr 1.1fr;
}

.project-showcase.reverse .project-visual {
    order: 2;
}

.project-showcase.reverse .project-info {
    order: 1;
}

.project-visual {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 16/10;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    transition: var(--transition-normal);
}

.project-visual:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 30px 50px rgba(79, 128, 255, 0.15);
}

.project-info h3 {
    font-size: 1.875rem;
    margin: 0.5rem 0 1rem 0;
    letter-spacing: -0.02em;
}

.project-info .description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.tech-stack {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.tech-stack span {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-purple);
    background-color: rgba(155, 108, 255, 0.1);
    padding: 0.35rem 0.85rem;
    border-radius: 4px;
}

.project-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.services {
    background-color: var(--bg-secondary);
}

.services-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: stretch;
    margin-bottom: 3rem;
}

.service-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    height: 100%;
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.service-card:hover {
    border-color: rgba(79, 128, 255, 0.4);
    box-shadow: 0 8px 32px rgba(79, 128, 255, 0.08);
    transform: translateY(-3px);
}

.service-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(79, 128, 255, 0.15), rgba(155, 108, 255, 0.15));
    color: var(--accent-blue);
    flex-shrink: 0;
}

.service-content {
    display: flex;
    flex-direction: column;
}

.service-content h3 {
    margin-bottom: 0.75rem;
}

.service-content p {
    color: var(--text-secondary);
    line-height: 1.7;
}


.full-width-skills {
    width: 100%;
}

.skills-box {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2.5rem;
}

.skills-box h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0;
}

.skill-tag {
    background-color: rgba(79, 128, 255, 0.08);
    color: var(--accent-blue);
    border: 1px solid rgba(79, 128, 255, 0.18);
    padding: 0.4rem 0.9rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.about {
    padding: 6rem 0 3rem 0;
}

.terminal-window {
    background-color: #0d0d12;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(155, 108, 255, 0.15);
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
    text-align: left;
}

.terminal-header {
    background-color: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--border-color);
    padding: 0.8rem 1.2rem;
    display: flex;
    align-items: center;
    position: relative;
}

.terminal-dots {
    display: flex;
    gap: 8px;
}

.terminal-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.close { background-color: #ff5f56; }
.dot.minimize { background-color: #ffbd2e; }
.dot.maximize { background-color: #27c93f; }

.terminal-title {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-mono);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.terminal-body {
    padding: 2.5rem;
    font-family: var(--font-mono);
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--text-primary);
}

.code-line {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.25rem;
}

.code-line:last-child {
    margin-bottom: 0;
}

.code-line .comment-char {
    color: var(--accent-purple);
    opacity: 0.8;
    user-select: none;
    flex-shrink: 0;
}

.code-line .comment-text {
    color: var(--text-primary);
    opacity: 0.85;
}

.contact {
    padding-bottom: 8rem;
}

/* Prominent CTA button */
.btn-cta {
    min-width: 220px;
    padding: 1.1rem 3rem;
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 24px rgba(79, 128, 255, 0.35);
    border-radius: 6px;
    transition: var(--transition-fast), box-shadow 0.3s ease;
}

.btn-cta:hover {
    box-shadow: 0 8px 40px rgba(155, 108, 255, 0.55);
    transform: translateY(-3px) scale(1.035);
}

.contact-card {
    background: linear-gradient(135deg, var(--bg-card), var(--bg-secondary));
    border: 1px solid var(--border-color);
    padding: 5rem 3rem;
    border-radius: 8px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
}

.contact-card h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.contact-card p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
}

.social-links {
    margin-top: 3rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    letter-spacing: 1px;
    transition: color 0.2s ease;
}

.social-link:hover {
    color: var(--accent-blue);
}

footer {
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-email, .footer-top {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    transition: color 0.2s ease;
}

.footer-email:hover, .footer-top:hover {
    color: var(--accent-blue);
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered text animations */
.hero-text > * {
    opacity: 0;
    transform: translateY(20px);
    animation: slideUpFade 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-text .mono-accent { animation-delay: 0.05s; }
.hero-text h1 { animation-delay: 0.15s; }
.hero-text p { animation-delay: 0.25s; }
.hero-text .hero-actions { animation-delay: 0.35s; }

.hero-image {
    opacity: 0;
    transform: translateX(30px);
    animation: slideInRight 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-delay: 0.2s;
}

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

@keyframes slideInRight {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.skill-tag:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 5px 15px rgba(79, 128, 255, 0.2);
    border-color: rgba(79, 128, 255, 0.5);
}

@media (max-width: 992px) {
    .hero-container {
        display: flex;
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero-text .hero-actions {
        justify-content: center;
    }
    
    .hero-text p {
        max-width: 100%;
    }
    
    .hero-profile {
        width: 240px;
        height: 240px;
    }
    
    .hero h1 {
        font-size: 2.75rem;
    }
    .services-wrapper {
        grid-template-columns: 1fr;
        display: flex;
        flex-direction: column;
    }
    .project-showcase, .project-showcase.reverse {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .project-showcase.reverse .project-visual {
        order: -1;
    }
    .project-showcase.reverse .project-info {
        order: 0;
    }
}

@media (max-width: 768px) {
    .logo {
        font-size: 1rem;
    }
    .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--bg-secondary);
        flex-direction: column;
        padding: 2rem 0;
        border-bottom: 1px solid var(--border-color);
        gap: 1.5rem;
    }
    .nav-links.active {
        display: flex;
    }
    .hamburger {
        display: flex;
    }
    .project-card {
        padding: 2rem;
    }
    .terminal-body {
        padding: 1.5rem;
        font-size: 0.95rem;
    }
    .contact-card {
        padding: 3rem 1.5rem;
    }
    .contact-card h2 {
        font-size: 2rem;
    }
    .hero-heading {
        font-size: 2.25rem;
    }
    section {
        padding: 4rem 0;
    }
    .hero-profile {
        width: 200px;
        height: 200px;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    .hero-actions .btn {
        width: 100%;
        text-align: center;
    }
    .hero-profile {
        width: 160px;
        height: 160px;
    }
}
/* Metrics hidden — replace with real data when available */
.metrics {
    display: none;
}