/* ==================== CSS VARIABLES ==================== */
:root {
    --header-height: 3.75rem;
    --primary-accent: #9333ea;       /* Royal Purple */
    --primary-accent-dark: #6b21a8;  /* Deep Violet */
    --secondary-accent: #38bdf8;     /* Sky Blue */
    --dark-bg: #0a0a0a;              /* Jet Black */
    --card-bg: #1a1a1a;              /* Graphite Gray */
    --text-light: #f5f5f5;           /* Soft White */
    --text-muted: #a3a3a3;           /* Subtle Gray */
    --border-color: #27272a;         /* Dim Gray */
    --body-font: 'Poppins', sans-serif;
    --heading-font: 'Montserrat', sans-serif;
    --h1-font-size: 3rem;
    --h2-font-size: 2rem;
    --h3-font-size: 1.5rem;
    --normal-font-size: 1.1rem;
    --small-font-size: 0.875rem;
    --smaller-font-size: 0.75rem;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --mb-0-5: 0.5rem;
    --mb-1: 1rem;
    --mb-1-5: 1.5rem;
    --mb-2: 2rem;
    --mb-2-5: 2.5rem;
    --mb-3: 3rem;
    --z-fixed: 100;
    --z-tooltip: 10;
    --transition-fast: 0.2s ease-in-out;
    --transition-normal: 0.4s ease-in-out;
}

/* ==================== BASE STYLES ==================== */
* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}

html, body {
    max-width: 100%;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    background-color: var(--dark-bg);
    color: var(--text-light);
    line-height: 1.6;
    width: 100%;
    position: relative;
}

h1, h2, h3, h4 {
    font-family: var(--heading-font);
    color: var(--text-light);
    font-weight: var(--font-bold);
    line-height: 1.2;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: var(--primary-accent);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 50%;
    object-fit: cover;
}

/* ==================== REUSABLE CSS CLASSES ==================== */
.section {
    padding: 1.5rem 0 0.5rem;
    background-color: var(--dark-bg);
    width: 100%;
    overflow: hidden;
}

.section-title {
    font-size: var(--h1-font-size);
    font-weight: var(--font-bold);
    text-align: center;
    margin-bottom: var(--mb-1);
    position: relative;
    padding-bottom: var(--mb-1-5);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-accent), var(--secondary-accent));
    border-radius: 2px;
}

.section-subtitle {
    display: block;
    font-size: var(--normal-font-size);
    color: var(--text-muted);
    text-align: center;
    margin-bottom: var(--mb-3);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.container {
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
    width: 100%;
}

.grid {
    display: grid;
    gap: 2rem;
}

/* ==================== BUTTONS ==================== */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    font-weight: var(--font-medium);
    font-size: var(--normal-font-size);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    max-width: 100%;
}

.button-primary {
    background: linear-gradient(135deg, var(--primary-accent), var(--primary-accent-dark));
    color: #fff;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}
.button-primary:hover {
    background: linear-gradient(135deg, var(--primary-accent-dark), var(--primary-accent));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

.button-secondary {
    background-color: transparent;
    color: var(--text-light);
    border: 1px solid var(--border-color);
}
.button-secondary:hover {
    background-color: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

.button-cv {
    background: linear-gradient(135deg, var(--secondary-accent), #db2777);
    color: #fff;
    box-shadow: 0 4px 15px rgba(236, 72, 153, 0.4);
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}
.button-cv:hover {
    background: linear-gradient(135deg, #db2777, var(--secondary-accent));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(236, 72, 153, 0.6);
}

.button i {
    font-size: 1.25rem;
    margin-left: var(--mb-0-5);
}

/* ==================== HEADER / NAVBAR ==================== */
.header {
    width: 100%;
    background-color: rgba(15, 15, 26, 0.9);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    z-index: var(--z-fixed);
    transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
}
.header.scroll-header {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.nav {
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1rem;
    width: 100%;
}

.nav-logo {
    color: var(--text-light);
    font-family: var(--heading-font);
    font-weight: var(--font-bold);
    font-size: 1.5rem;
    position: relative;
    transition: color var(--transition-fast);
}
.nav-logo:hover {
    color: var(--primary-accent);
}

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

.nav-link {
    color: var(--text-light);
    font-weight: var(--font-medium);
    padding: 0.25rem 0;
    position: relative;
    transition: color var(--transition-fast);
}
.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-accent), var(--secondary-accent));
    transition: width var(--transition-fast);
}

.nav-link:hover,
.nav-link.active-link {
    color: var(--primary-accent);
}
.nav-link:hover::after,
.nav-link.active-link::after {
    width: 100%;
}

.nav-toggle {
    font-size: 1.8rem;
    cursor: pointer;
    display: none;
    color: var(--text-light);
    transition: color var(--transition-fast);
}
.nav-toggle:hover {
    color: var(--primary-accent);
}

/* ==================== HOME / HERO ==================== */
.home {
    background-color: var(--dark-bg);
    padding: 12rem 0 6rem;
    color: var(--text-light);
    position: relative;
    overflow: hidden;
    width: 100%;
}

.home-container {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 4rem;
    width: 100%;
}

.home-content h1 {
    color: var(--text-light);
    font-size: var(--h1-font-size);
    font-weight: var(--font-bold);
    margin-bottom: var(--mb-0-5);
}

.home-content h3 {
    color: var(--primary-accent);
    font-size: var(--h3-font-size);
    font-weight: var(--font-medium);
    margin-bottom: var(--mb-1);
}

.home-content p {
    color: var(--text-muted);
    max-width: 550px;
    margin-bottom: var(--mb-2);
    font-size: var(--normal-font-size);
}

.home-social {
    display: flex;
    column-gap: 1.8rem;
    margin-bottom: var(--mb-2-5);
}

.home-social a {
    font-size: 2rem;
    color: var(--text-light);
    transition: transform var(--transition-fast), color var(--transition-fast);
}
.home-social a:hover {
    color: var(--primary-accent);
    transform: translateY(-5px);
}

.home-buttons {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.home-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    width: 100%;
}

.home-image img {
    width: 320px;
    height: 320px;
    border-radius: 50%;
    object-fit: cover;
    border: 6px solid var(--primary-accent);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.4);
    transition: transform 0.5s ease-in-out;
    filter: grayscale(20%);
}
.home-image img:hover {
    transform: scale(1.02);
    filter: grayscale(0%);
}

/* ==================== ABOUT ME ==================== */
.about-container {
    grid-template-columns: 1fr 1fr;
    align-items: flex-start;
    gap: 4rem;
    width: 100%;
}

.about-text p {
    margin-bottom: var(--mb-1-5);
    line-height: 2;
}

.about-cards {
    display: grid;
    gap: 1rem;
    width: 100%;
}

.about-card {
    background-color: var(--card-bg);
    border-radius: 0.75rem;
    padding: 1.2rem;
    display: flex;
    flex-direction: column;
    gap: var(--mb-0-5);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    border: 1px solid var(--border-color);
    width: 100%;
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
}

.about-card .card-icon {
    font-size: 1.8rem;
    width: 50px;
    height: 50px;
    display: grid;
    place-items: center;
    border-radius: 0.75rem;
    margin-bottom: var(--mb-0-5);
    transition: background-color var(--transition-fast);
    background-color: rgba(99, 102, 241, 0.2);
    color: var(--primary-accent);
}

.about-card h3 {
    font-size: var(--h3-font-size);
    font-weight: var(--font-semibold);
    color: var(--text-light);
}

.about-card p {
    font-size: var(--small-font-size);
    color: var(--text-muted);
}

/* ==================== SKILLS & EXPERTISE ==================== */
.skills-container {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    width: 100%;
}

.skill-card {
    background-color: var(--card-bg);
    border-radius: 0.75rem;
    padding: 2.5rem;
    text-align: left;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    border: 1px solid var(--border-color);
    width: 100%;
}
.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

.skill-card .skill-icon {
    font-size: 2.5rem;
    color: var(--primary-accent);
    margin-bottom: var(--mb-1);
}

.skill-card h3 {
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-1);
    color: var(--text-light);
}

.skill-card span {
    display: inline-block;
    background-color: rgba(66, 68, 213, 0.15);
    color: rgb(212, 207, 207);
    font-size: var(--smaller-font-size);
    font-weight: var(--font-medium);
    padding: 0.35rem 0.9rem;
    border-radius: 99px;
    margin-right: 0.6rem;
    margin-bottom: 0.6rem;
    transition: background-color var(--transition-fast);
}
.skill-card span:hover {
    background-color: var(--primary-accent);
    color: #fff;
}

/* ==================== WORK EXPERIENCE ==================== */
.experience-container {
    max-width: 95%;
    width: 100%;
}

.experience-card {
    background-color: var(--card-bg);
    border-radius: 0.75rem;
    padding: 2.5rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    border: 1px solid var(--border-color);
    width: 100%;
}
.experience-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--mb-0-5);
    flex-wrap: wrap;
}

.experience-header h3 {
    font-size: var(--h3-font-size);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-light);
}
.experience-header h3 i {
    color: var(--primary-accent);
}

.experience-header span {
    font-size: var(--small-font-size);
    color: var(--text-muted);
}

.experience-card h4 {
    font-size: var(--normal-font-size);
    font-weight: var(--font-medium);
    color: var(--text-muted);
    margin-bottom: var(--mb-1);
}
.experience-card h4 a {
    color: var(--text-light);
}

.experience-description {
    margin-bottom: var(--mb-1-5);
    color: var(--text-light);
}

.experience-achievements-title {
    font-weight: var(--font-semibold);
    margin-bottom: var(--mb-0-5);
    color: var(--text-light);
}

.experience-achievements {
    list-style-type: disc;
    padding-left: 1.5rem;
    display: grid;
    gap: 0.75rem;
}

.experience-achievements li {
    color: var(--text-muted);
}

/* ==================== FEATURED PROJECTS ==================== */
.projects-container {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    width: 100%;
}

.project-card {
    background-color: var(--card-bg);
    border-radius: 0.75rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    border: 1px solid var(--border-color);
    width: 100%;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

.project-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    object-position: center;
    border-radius: 0;
    display: block;
}

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

.project-content {
    padding: 1.8rem;
}

.project-content h3 {
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-0-5);
    color: var(--text-light);
}

.project-content p {
    font-size: var(--small-font-size);
    color: var(--text-muted);
    margin-bottom: var(--mb-1);
}

.project-tags {
    margin-bottom: var(--mb-1-5);
}

.project-tags span {
    display: inline-block;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    font-size: var(--smaller-font-size);
    font-weight: var(--font-medium);
    padding: 0.3rem 0.8rem;
    border-radius: 99px;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    transition: background-color var(--transition-fast);
}
.project-tags span:hover {
    background-color: var(--primary-accent);
    color: #fff;
}

.project-links {
    display: flex;
    gap: 1.5rem;
}

.project-links a {
    font-weight: var(--font-medium);
    font-size: var(--small-font-size);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-accent);
    transition: color var(--transition-fast);
}
.project-links a:hover {
    color: var(--primary-accent-dark);
}

/* ==================== GET IN TOUCH / CONTACT ==================== */
.contact-container {
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: flex-start;
    width: 100%;
}

.contact-info h3 {
    font-size: var(--h2-font-size);
    margin-bottom: var(--mb-1);
    color: var(--text-light);
}
.contact-info p {
    margin-bottom: var(--mb-2-5);
    color: var(--text-muted);
}

.contact-details {
    display: grid;
    gap: 1.8rem;
    width: 100%;
}

.contact-detail-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-detail-item i {
    font-size: 1.8rem;
    color: var(--primary-accent);
    background-color: rgba(99, 102, 241, 0.2);
    width: 45px;
    height: 45px;
    display: grid;
    place-items: center;
    border-radius: 50%;
}

.contact-detail-item span {
    color: var(--text-light);
    font-weight: var(--font-regular);
}

.contact-detail-item span a {
    color: var(--text-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-form {
    display: grid;
    gap: 1.5rem;
    background-color: var(--card-bg);
    padding: 2.5rem;
    border-radius: 0.75rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    width: 100%;
}

.form-group {
    display: grid;
    gap: 0.6rem;
    width: 100%;
}

.form-group label {
    font-size: var(--small-font-size);
    font-weight: var(--font-medium);
    color: var(--text-light);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.9rem 1.2rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    color: var(--text-light);
    background-color: var(--dark-bg);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    max-width: 100%;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .button {
    justify-self: start;
    margin-top: var(--mb-1);
}

/* ==================== FOOTER ==================== */
.footer {
    background-color: var(--dark-bg);
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    width: 100%;
}

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

/* ==================== SCROLL UP ==================== */
.scrollup {
    position: fixed;
    right: 1.5rem;
    bottom: -20%;
    background: linear-gradient(135deg, var(--primary-accent), var(--secondary-accent));
    opacity: 0.8;
    padding: 0.5rem 0.7rem;
    border-radius: 0.4rem;
    z-index: var(--z-tooltip);
    transition: bottom 0.4s, transform var(--transition-fast);
}

.scrollup:hover {
    transform: translateY(-5px);
}

.scrollup__icon {
    font-size: 1.8rem;
    color: #fff;
}

.show-scroll {
    bottom: 3rem;
}

/* ==================== MEDIA QUERIES ==================== */
@media screen and (max-width: 1150px) {
    .container {
        max-width: 960px;
    }
    :root {
        --h1-font-size: 2.5rem;
        --h2-font-size: 1.8rem;
        --h3-font-size: 1.3rem;
    }
    .home-image img {
        width: 280px;
        height: 280px;
    }
}

@media screen and (max-width: 768px) {
    :root {
        --h1-font-size: 2rem;
        --h2-font-size: 1.5rem;
        --h3-font-size: 1.1rem;
        --normal-font-size: 0.95rem;
    }
    .section {
        padding: 6rem 0 3rem;
    }
    .section-title {
        font-size: var(--h2-font-size);
    }
    .section-subtitle {
        margin-bottom: var(--mb-2);
    }
    
    /* Mobile Nav Menu - Fixed for horizontal scrolling */
    .nav-menu {
        position: fixed;
        top: -100%;
        right: 0;
        width: 100%;
        max-width: 100%;
        background-color: rgba(15, 15, 26, 0.98);
        backdrop-filter: blur(15px);
        padding: 2rem 0 2rem;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        border-radius: 0 0 1.5rem 1.5rem;
        transition: top 0.4s ease-in-out;
        z-index: var(--z-fixed);
        height: auto;
        overflow-y: auto;
        opacity: 0;
        visibility: hidden;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 2.5rem;
        padding: 0 1.5rem;
        width: 100%;
    }
    
    .nav-toggle {
        display: block;
        z-index: calc(var(--z-fixed) + 1);
        font-size: 1.8rem;
        cursor: pointer;
        transition: transform 0.3s ease;
    }
    
    .nav-menu.show-menu {
        top: var(--header-height);
        opacity: 1;
        visibility: visible;
    }

    /* Stacking columns and fixing widths */
    .home-container,
    .about-container,
    .contact-container {
        grid-template-columns: 1fr;
        width: 100%;
        gap: 2.5rem;
    }
    
    .home {
        padding-top: 8rem;
        padding-bottom: 3rem;
    }
    
    .home-content {
        order: 2;
        text-align: center;
        width: 100%;
        padding: 0 1rem;
    }
    
    .home-image {
        order: 1;
        justify-self: center;
        width: 100%;
    }
    
    .home-image img {
        width: 260px;
        height: 260px;
    }
    
    .home-social,
    .home-buttons {
        justify-content: center;
        width: 100%;
    }
    
    .home-buttons {
        flex-wrap: wrap;
    }
    
    .about-container {
        gap: 2.5rem;
        width: 90%;
    }
    
    .skills-container {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        width: 100%;
        padding: 0 1rem;
    }
    
    .projects-container {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 2rem;
        width: 100%;
        padding: 0 1rem;
    }
    
    .contact-container {
        gap: 2.5rem;
        width: 100%;
    }
    
    .contact-info {
        text-align: center;
        width: 100%;
        padding: 0 1rem;
    }
    
    .contact-details {
        justify-content: center;
        width: 100%;
    }
    
    .contact-form {
        padding: 2rem;
        width: 100%;
        margin: 0 auto;
    }
    
    .contact-form .button {
        justify-self: center;
    }
    
    /* Ensure all cards fit within viewport */
    .about-card, 
    .skill-card, 
    .experience-card, 
    .project-card {
        width: 100%;
        margin: 0 auto;
    }
    
    .experience-container {
        max-width: 100%;
        width: 100%;
        padding: 0 1rem;
    }
}

@media screen and (max-width: 576px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
        width: 100%;
    }
    
    body {
        position: relative;
        width: 100vw;
        overflow-x: hidden;
    }
    
    .home-image img {
        width: 200px;
        height: 200px;
        border-width: 4px;
    }
    
    .home-buttons {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    
    .button {
        width: 100%;
        max-width: 280px;
        padding: 0.8rem 1.5rem;
    }
    
    .about-card, 
    .skill-card, 
    .experience-card, 
    .project-card, 
    .contact-form {
        padding: 1.5rem;
        width: 100%;
    }
    
    .section-title {
        font-size: var(--h3-font-size);
        padding: 0 1rem;
    }
    
    .section-title::after {
        width: 50px;
        height: 3px;
    }
    
    .experience-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        width: 100%;
    }
    
    .experience-header span {
        align-self: flex-end;
    }
    
    .contact-detail-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
        width: 100%;
    }
    
    .contact-detail-item i {
        font-size: 1.5rem;
        width: 40px;
        height: 40px;
    }
    
    /* Fix for very small screens */
    .home-content h1 {
        font-size: 1.8rem;
    }
    
    .home-content h3 {
        font-size: 1.2rem;
    }
    
    .nav {
        padding: 0 1rem;
    }
}

/* Additional safety measures for ultra-small screens */
@media screen and (max-width: 380px) {
    .container {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
    
    .home-image img {
        width: 180px;
        height: 180px;
    }
    
    .home-buttons .button {
        max-width: 100%;
    }
    
    .project-card,
    .skill-card,
    .about-card {
        margin: 0;
        border-radius: 0.5rem;
    }
    
    .section {
        padding: 5rem 0 2rem;
    }
}