/* 
   Personal Portfolio - Premium Design System 
   Typography: Outfit (Headings) & Inter (Body)
*/

:root {
    /* Colors */
    --bg-color: #f9f9f9;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --white: #ffffff;
    --black: #000000;
    --accent: #111111;
    --border-color: #e5e5e5;
    --tag-bg: #f0f0f0;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;

    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.1;
    color: var(--black);
}

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

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

.mt-4 {
    margin-top: 2rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 100px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    outline: none;
}

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

.btn-outline:hover {
    border-color: var(--black);
    background-color: var(--black);
    color: var(--white);
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

/* Tags */
.tag {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-family: var(--font-heading);
    background-color: var(--tag-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.tag.dark {
    background-color: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.tag.light {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition-fast);
    background-color: rgba(249, 249, 249, 0.8);
    backdrop-filter: blur(10px);
}

.navbar.scrolled {
    padding: 15px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    background-color: rgba(255, 255, 255, 0.95);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.nav-links a:hover {
    color: var(--black);
}

/* Hero Section */
.hero {
    padding: 160px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.hero-content {
    flex: 1;
}

.stats-row {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.stat h2 {
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--text-secondary);
}

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

.hero-title {
    font-size: 7rem;
    font-weight: 300;
    letter-spacing: -2px;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 400px;
    margin-bottom: 40px;
}

.scroll-down {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.hero-image {
    flex: 1;
    position: relative;
}

.hero-image .image-wrapper {
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* About Section */
.about {
    padding: var(--section-padding);
    background-color: var(--white);
}

.about-container {
    display: flex;
    gap: 60px;
}

.about-text {
    flex: 1;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.lead {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.arrow-decoration {
    margin-top: 40px;
    font-size: 2rem;
    color: var(--border-color);
}

.about-stats-cards {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.card {
    background-color: var(--bg-color);
    padding: 40px;
    border-radius: 24px;
    position: relative;
    overflow: hidden;
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--black);
}

.stat-card h3 {
    font-size: 3rem;
    margin-bottom: 10px;
}

.stat-card p {
    color: var(--text-secondary);
    max-width: 250px;
}

.card-profile-img {
    position: absolute;
    top: 30px;
    right: 30px;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
}

.about-points {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.point-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.point-item i {
    margin-top: 5px;
    color: var(--black);
}

.point-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Horizontal Scroll Works */
.horizontal-scroll-works {
    padding: var(--section-padding);
    overflow: hidden;
}

.horizontal-container {
    display: flex;
    gap: 30px;
    padding: 0 40px;
    overflow-x: auto;
    scrollbar-width: none;
    /* Firefox */
}

.horizontal-container::-webkit-scrollbar {
    display: none;
    /* Safari/Chrome */
}

.work-card {
    min-width: 400px;
    position: relative;
}

.work-card img {
    border-radius: 16px;
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--transition-slow);
}

.work-card:hover img {
    transform: scale(1.02);
}

.work-info {
    margin-top: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.work-info h4 {
    font-size: 1.1rem;
}

.center-card {
    transform: scale(1.05);
    z-index: 2;
}

.hover-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background-color: var(--black);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-fast);
    z-index: 10;
}

.center-card:hover .hover-circle,
.portfolio-item:hover .hover-circle {
    opacity: 1;
}

/* Experience Section */
.experience {
    padding: var(--section-padding);
    background-color: var(--white);
}

.section-header {
    margin-bottom: 60px;
}

.subtitle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.section-desc {
    color: var(--text-secondary);
    max-width: 500px;
    margin-top: 16px;
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    padding: 30px;
    border-radius: 16px;
    transition: var(--transition-fast);
    border: 1px solid var(--border-color);
}

.timeline-item:hover,
.timeline-item.active {
    background-color: var(--bg-color);
    border-color: transparent;
}

.timeline-company {
    flex: 1;
}

.timeline-company h3 {
    font-size: 1.25rem;
    margin-bottom: 5px;
}

.timeline-company .date {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.timeline-role {
    flex: 1;
}

.timeline-role h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.timeline-role p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.timeline-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.timeline-expanded {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-top: 30px;
    width: 100%;
}

.timeline-item.active {
    flex-direction: column;
}

.timeline-item.active>div:not(.timeline-expanded) {
    display: flex;
    width: 100%;
    justify-content: space-between;
}

.expanded-images {
    display: flex;
    gap: 15px;
}

.expanded-images img {
    width: 100px;
    height: 100px;
    border-radius: 12px;
    object-fit: cover;
}

.expanded-text {
    display: flex;
    align-items: center;
    gap: 20px;
    flex: 1;
}

.expanded-text p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.icon-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--black);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* CTA Banner */
.cta-banner {
    padding: 60px 0;
}

.banner-content {
    background-color: var(--accent);
    border-radius: 24px;
    padding: 80px;
    color: var(--white);
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
}

.banner-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.4));
    z-index: 1;
}

.banner-text {
    position: relative;
    z-index: 2;
    max-width: 600px;
}

.banner-text h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin: 20px 0;
}

.banner-text p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 30px;
}

/* Portfolio & Blog Grids */
.portfolio {
    padding: var(--section-padding);
}

.section-center-header {
    text-align: center;
    margin-bottom: 60px;
}

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

/* Portfolio Carousel */
.portfolio-carousel {
    display: flex;
    gap: 30px;
    padding-bottom: 20px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    /* Firefox */
}

.portfolio-carousel::-webkit-scrollbar {
    display: none;
    /* Safari/Chrome */
}

.portfolio-carousel .portfolio-item {
    min-width: 400px;
    flex-shrink: 0;
    scroll-snap-align: start;
}

.portfolio-carousel .portfolio-info {
    display: none;
}

.portfolio-carousel .image-wrapper {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
}

.portfolio-carousel img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    transition: var(--transition-slow);
}

.portfolio-carousel .image-wrapper:hover img {
    transform: scale(1.05);
}

.hover-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    color: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition-fast);
    padding: 20px;
    text-align: center;
}

.portfolio-carousel .image-wrapper:hover .hover-overlay {
    opacity: 1;
}

.hover-overlay h4 {
    color: var(--white);
    margin-bottom: 10px;
    font-size: 1.25rem;
    transform: translateY(20px);
    transition: var(--transition-fast);
}

.portfolio-carousel .image-wrapper:hover .hover-overlay h4 {
    transform: translateY(0);
}

/* Blog */
.blog {
    padding: var(--section-padding);
    background-color: var(--white);
}

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

.blog-card {
    background-color: var(--bg-color);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-fast);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.blog-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-content {
    padding: 30px;
}

.blog-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
}

.blog-meta .date {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.blog-content h3 {
    font-size: 1.1rem;
    line-height: 1.4;
}

/* Contact Section */
.contact-cta {
    padding: 100px 0;
    text-align: center;
}

.contact-header h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.contact-header p {
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto 40px;
}

.form-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
    background: var(--white);
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-family: var(--font-body);
    font-size: 1rem;
    background-color: var(--bg-color);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--black);
    background-color: var(--white);
}

.submit-btn {
    width: 100%;
    justify-content: center;
    padding: 15px;
    font-size: 1.1rem;
}

/* Footer */
.footer {
    background-color: var(--black);
    color: var(--white);
    padding: 40px 0;
}

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

.footer-nav {
    display: flex;
    gap: 30px;
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.7);
    font-family: var(--font-heading);
    font-size: 0.95rem;
}

.footer-nav a:hover {
    color: var(--white);
}

.email-link {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 300;
}

/* Responsive */
@media (max-width: 992px) {

    .hero-container,
    .about-container {
        flex-direction: column;
    }

    .hero-title {
        font-size: 5rem;
    }

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

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

    .portfolio-carousel .portfolio-item {
        min-width: 85vw;
        max-width: 100%;
        display: flex;
        flex-direction: column; /* Stack image and text vertically */
        align-items: stretch;
        background-color: var(--white);
        border-radius: 16px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        padding: 15px;
        gap: 15px;
        box-sizing: border-box;
    }

    .portfolio-carousel .portfolio-info {
        display: flex;
        flex-direction: column;
        width: 100%;
        flex: auto;
        order: 2; /* Text below image */
        padding-right: 0;
    }

    .portfolio-carousel .portfolio-info h4 {
        font-size: 1.1rem;
        line-height: 1.4;
        margin-bottom: 8px;
        display: block; /* Remove line clamp for vertical layout */
    }
    
    .portfolio-carousel .portfolio-info p {
        font-size: 0.9rem;
        margin-bottom: 10px;
    }

    .portfolio-carousel .portfolio-info .tag {
        font-size: 0.75rem;
        padding: 5px 10px;
        white-space: normal;
        line-height: 1.2;
        align-self: flex-start;
    }

    .portfolio-carousel .image-wrapper {
        width: 100%;
        flex: auto;
        order: 1; /* Image above text */
        border-radius: 12px;
        display: block;
    }

    .portfolio-carousel img {
        width: 100%;
        height: 200px;
        min-height: auto;
        max-height: none;
        object-fit: cover;
        border-radius: 12px;
    }

    .hover-overlay {
        display: none !important;
        /* Disable hover overlay on mobile */
    }

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

    .timeline-item {
        flex-direction: column;
        gap: 15px;
        padding: 20px;
    }
    
    .timeline-company, .timeline-role {
        width: 100%;
    }

    .timeline-tags {
        justify-content: flex-start;
        width: 100%;
    }

    .timeline-item.active>div:not(.timeline-expanded) {
        flex-direction: column;
    }

    .timeline-expanded {
        flex-direction: column;
        align-items: flex-start;
    }

    .banner-content {
        padding: 40px 20px;
    }

    .footer-container {
        flex-direction: column;
        gap: 30px;
    }

    .footer-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
}