:root {
    --primary: #9BA4B5;
    --primary-hover: #F1F6F9;
    --secondary: #394867;
    --bg-dark: #212A3E;
    --bg-card: #2b364d;
    --text-main: #F1F6F9;
    --text-muted: #9BA4B5;
    --white: #ffffff;
    --border: rgba(155, 164, 181, 0.2);

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 3rem;
    --space-xl: 5rem;

    --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --size-h1: clamp(2.5rem, 8vw, 4.5rem);
    --size-h2: clamp(2rem, 6vw, 3rem);
    --size-h3: 1.75rem;
    --size-body: 1.1rem;

    --radius: 12px;
    --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: var(--space-sm) 0;
    background: rgba(33, 42, 62, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    color: #F1F6F9;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:not(.btn):hover {
    color: var(--primary);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: #F1F6F9;
    color: var(--bg-dark);
}

.btn-primary:hover {
    background-color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(241, 246, 249, 0.4);
}

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

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

.btn:focus {
    outline: 2px solid var(--primary);
    outline-offset: 4px;
}

.hero {
    padding: var(--space-xl) 0;
    margin-top: 80px;
    text-align: center;
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    top: -10%;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 400px;
    background: radial-gradient(circle, rgba(155, 164, 181, 0.1) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

.hero-title {
    font-size: var(--size-h1);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    line-height: 1.1;
}

.hero-title span {
    color: var(--primary);
}

.hero-subtitle {
    font-size: var(--size-body);
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto var(--space-lg);
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

.section {
    padding: var(--space-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.section-title {
    font-size: var(--size-h2);
    margin-bottom: var(--space-xs);
}

.section-header p {
    color: var(--text-muted);
}

.logo {
    color: #F1F6F9;
}

.hero-title span {
    color: var(--primary);
}

.project-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.project-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: center;
    background: var(--bg-card);
    padding: var(--space-lg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.project-item.reverse {
    direction: rtl;
}

.project-item.reverse .project-info {
    direction: ltr;
}

.project-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-5px);
}

.project-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.project-item-title {
    font-size: 2rem;
    font-weight: 700;
}

.project-item-description {
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.7;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: var(--space-xs) 0;
}

.tech-tag {
    background: rgba(155, 164, 181, 0.1);
    color: var(--primary);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(155, 164, 181, 0.2);
}

.project-visual {
    width: 100%;
    height: 350px;
    border-radius: var(--radius);
    overflow: hidden;
    background: rgba(0, 0, 0, 0.2);
    /* Background for contained images */
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-visual img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    /* Changed from cover to prevent cropping */
    transition: var(--transition);
}

.project-item:hover .project-visual img {
    transform: scale(1.05);
}

.footer {
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--border);
    text-align: center;
    margin-top: var(--space-xl);
}

.footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.about-grid {
    display: grid;
    gap: var(--space-lg);
    background: var(--bg-card);
    padding: var(--space-lg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.skills-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-md);
}

.skill-pill {
    background: var(--border);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
}

.skill-pill:hover {
    background: var(--primary);
    transform: scale(1.05);
}

.reveal-hidden {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .project-item {
        grid-template-columns: 1fr;
        gap: var(--space-md);
        direction: ltr !important;
    }

    .project-visual {
        height: 250px;
        order: -1;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-sm);
    }
}