/* =========================
   Reset & Dark Theme Variables
   ========================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* MacBook Dark Theme Colors */
    --bg-primary: #1a1a1a;
    --bg-secondary: #252525;
    --bg-tertiary: #2d2d2d;
    --text-primary: #e8e8e8;
    --text-secondary: #a0a0a0;
    --accent: #0a84ff;
    --accent-hover: #0070e0;
    --border: #3a3a3a;
    --shadow: rgba(0, 0, 0, 0.5);
    --gradient-1: #0a84ff;
    --gradient-2: #5e5ce6;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

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

/* =========================
   Navigation
   ========================= */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

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

/* =========================
   Hero Section
   ========================= */
.hero {
    padding: 12rem 0 8rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

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

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease;
}

.hero-intro {
    display: block;
    margin-bottom: 1rem;
}

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

.hero-tagline {
    display: block;
    color: var(--text-secondary);
    font-weight: 500;
}

.hero-roles {
    display: flex;
    gap: 1rem;
    align-items: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    animation: fadeInUp 1s ease 0.2s both;
}

.role {
    font-weight: 500;
}

.separator {
    color: var(--border);
}

/* =========================
   Logo Carousel
   ========================= */
.logo-carousel {
    padding: 4rem 0;
    background: var(--bg-secondary);
    overflow: hidden;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.carousel-track {
    display: flex;
    gap: 4rem;
    animation: scroll 30s linear infinite;
    width: fit-content;
}

.logo-item {
    padding: 1.5rem 3rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.logo-item:hover {
    border-color: var(--accent);
    color: var(--accent);
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* =========================
   Section Titles
   ========================= */
.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

/* =========================
   About Section
   ========================= */
.about {
    padding: 6rem 0;
    background: var(--bg-primary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.skill-card {
    padding: 2.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: var(--transition);
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 10px 40px rgba(10, 132, 255, 0.2);
}

.skill-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.skill-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* =========================
   Experience Section
   ========================= */
.experience {
    padding: 6rem 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.experience-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.experience-card {
    padding: 2.5rem;
    background: var(--bg-tertiary);
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.experience-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 10px 40px rgba(10, 132, 255, 0.15);
}

.experience-role {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.experience-company {
    color: var(--accent);
    margin-bottom: 1rem;
}

.experience-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.experience-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

/* =========================
   Domains Section
   ========================= */
.domains {
    padding: 6rem 0;
    background: var(--bg-primary);
}

.domains-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.domain-card {
    padding: 2rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: var(--transition);
}

.domain-card:hover {
    border-color: var(--accent);
    box-shadow: 0 5px 20px rgba(10, 132, 255, 0.15);
}

.domain-card h4 {
    color: var(--text-primary);
}

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

/* =========================
   Current Work Section
   ========================= */
.current-work {
    padding: 6rem 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.current-work-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.current-work-role {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.current-work-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.work-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tag {
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.tag:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.work-image-placeholder {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--gradient-1) 0%, var(--gradient-2) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 500;
    font-size: 1.2rem;
    border: 1px solid var(--border);
}

/* =========================
   Projects Section
   ========================= */
.projects {
    padding: 6rem 0;
    background: var(--bg-primary);
}

.projects-grid {
    display: flex;
    flex-direction: column;
    gap: 6rem;
}

.project-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

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

.project-card-reverse > * {
    direction: ltr;
}

.project-image {
    position: relative;
}

.image-placeholder {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, #5e5ce6 0%, #0a84ff 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 500;
    font-size: 1.2rem;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.project-card:hover .image-placeholder {
    transform: scale(1.02);
    box-shadow: 0 20px 40px rgba(10, 132, 255, 0.3);
}

.project-role {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.project-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    transition: var(--transition);
}

.project-link:hover {
    transform: translateX(5px);
    color: var(--accent-hover);
}

/* =========================
   Certifications Section
   ========================= */
.certifications {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.cert-card {
    background: var(--bg-tertiary) !important;
    border: 1px solid var(--border) !important;
    transition: var(--transition);
}

.cert-card:hover {
    border-color: var(--accent) !important;
    transform: translateY(-5px);
}

.cert-card h4 {
    color: var(--text-primary);
}

/* =========================
   CTA Section
   ========================= */
.cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--gradient-1) 0%, var(--gradient-2) 100%);
    color: white;
    text-align: center;
    border-top: 1px solid var(--border);
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-description {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

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

.btn {
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition);
    display: inline-block;
}

.btn-primary {
    background: white;
    color: var(--gradient-1);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: var(--gradient-1);
    transform: translateY(-3px);
}

/* =========================
   Contact Section
   ========================= */
.contact {
    padding: 6rem 0;
    background: var(--bg-primary);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-text {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 3rem;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
}

.contact-link:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent);
    transform: translateX(5px);
}

.icon {
    width: 40px;
    height: 40px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.contact-link:hover .icon {
    background: var(--accent-hover);
}

/* =========================
   Footer
   ========================= */
.footer {
    padding: 3rem 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
}

.footer-location span {
    font-size: 0.9rem;
}

/* =========================
   Animations
   ========================= */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =========================
   Responsive Design
   ========================= */
@media (max-width: 768px) {
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        box-shadow: 0 5px 20px var(--shadow);
        display: none;
        border-top: 1px solid var(--border);
    }

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

    .hamburger {
        display: flex;
    }

    .hero {
        padding: 8rem 0 4rem;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .experience-cards {
        grid-template-columns: 1fr;
    }

    .domains-grid {
        grid-template-columns: 1fr;
    }

    .current-work-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .project-card,
    .project-card-reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .nav-container {
        padding: 1rem;
    }

    .hero-roles {
        flex-direction: column;
        gap: 0.5rem;
    }

    .separator {
        display: none;
    }

    .logo-carousel {
        padding: 2rem 0;
    }

    .carousel-track {
        gap: 2rem;
    }

    .logo-item {
        padding: 1rem 2rem;
        font-size: 0.9rem;
    }
}

/* =========================
   Project Images
   ========================= */
.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.project-card:hover .project-img {
    transform: scale(1.02);
    box-shadow: 0 20px 40px rgba(10, 132, 255, 0.3);
    border-color: var(--accent);
}

.current-work-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--border);
}