@import url('https://cdn.jsdelivr.net/gh/rastikerdar/vazir-font@v30.1.0/dist/font-face.css');

/* CSS VARIABLES - Extending the main theme */
:root {
    --bg-color: #0f0f11;
    --card-bg: rgba(25, 25, 28, 0.7);
    --text-main: #ffffff;
    --text-muted: #8b8b93;
    --accent-1: #ff00cc;
    --accent-2: #3333ff;
    --accent-3: #00ffcc;
    --border-color: rgba(255, 255, 255, 0.1);
    /* --font-main: 'Helvetica Neue', Helvetica, Arial, sans-serif; */
    --font-main: 'Vazir', sans-serif;
    
    /* Animation timings */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    
    /* Spacing */
    --section-padding: clamp(3rem, 10vw, 6rem);
}


/* RESET & BASE */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-main);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* AMBIENT BACKGROUND */
.ambient-light {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s infinite ease-in-out alternate;
}

.blob-1 {
    width: 40vw;
    height: 40vw;
    background: var(--accent-1);
    top: -10%;
    left: -10%;
}

.blob-2 {
    width: 35vw;
    height: 35vw;
    background: var(--accent-2);
    bottom: -10%;
    right: -10%;
    animation-delay: -5s;
}

.blob-3 {
    width: 25vw;
    height: 25vw;
    background: var(--accent-3);
    top: 40%;
    left: 60%;
    opacity: 0.3;
    animation-duration: 25s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, -30px) scale(1.1); }
}

/* MAIN NAVIGATION */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    background: rgba(15, 15, 17, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

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

.logo-link {
    text-decoration: none;
    color: var(--text-main);
    font-size: 1.5rem;
    font-weight: bold;
    transition: all var(--transition-fast);
}

.logo-link:hover {
    transform: scale(1.05);
    text-shadow: 0 0 20px rgba(0, 255, 204, 0.3);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-item {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-3);
    transition: width var(--transition-medium);
}

.nav-item:hover {
    color: var(--text-main);
}

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

.lang-toggle-nav {
    padding: 0.5rem 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-size: 0.85rem;
    cursor: pointer;
    border-radius: 8px;
    transition: all var(--transition-fast);
}

.lang-toggle-nav:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.05);
}

/* HERO SECTION */
.hero-section {
    position: relative;

    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--section-padding);
}

.hero-title {
    font-size: clamp(2.5rem, 10vw, 5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(to right, #fff, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1rem, 3vw, 1.5rem);
    color: var(--text-muted);
    max-width: 60ch;
    margin-bottom: 2rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-medium);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-2), var(--accent-3));
    color: #fff;
    border: none;
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 12px 30px rgba(0, 255, 204, 0.3);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--accent-2), var(--accent-3));
    color: #fff;
    border: none;
}

.btn-secondary:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 12px 30px rgba(0, 255, 204, 0.3);
}

/* SCROLL INDICATOR */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 0;
    width: 100%;

    display: flex;
    flex-direction: column;
    align-items: center;

    gap: 0.5rem;
    opacity: 0.7;
    pointer-events: none;
}

@media (max-width: 768px) {
    .scroll-indicator {
        bottom: 1rem;
    }

    .scroll-text {
        font-size: 0.7rem;
        letter-spacing: 1px;
    }

    .scroll-arrow {
        width: 20px;
        height: 20px;
    }
}

.scroll-text {
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    stroke: var(--accent-3);
    stroke-width: 1.5;
    fill: none;
    animation: scrollBounce 2s infinite ease-in-out;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

/* CONTENT SECTIONS */
.content-section {
    padding: var(--section-padding) clamp(2rem, 5vw, 4rem);
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: clamp(2rem, 6vw, 3rem);
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 50ch;
    margin: 0 auto;
}

/* ABOUT SECTION */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.about-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: all var(--transition-medium);
}

.about-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-3);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.about-card h3 {
    color: var(--text-main);
    margin-bottom: 0.75rem;
}

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

/* STATS SECTION */
.stats-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
    padding: 3rem 0;
    background: var(--card-bg);
    border-radius: 20px;
}

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

.stat-number {
    font-size: 3.5rem;
    font-weight: bold;
    display: block;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, var(--accent-2), var(--accent-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

/* PROJECTS SECTION */
.project-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: 30px;
    transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    border-color: var(--accent-3);
    transform: translateY(-2px);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-medium);
}

.project-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    border-color: var(--accent-3);
}

.project-image-wrapper {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.project-image.placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-link {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 15, 17, 0.8);
    opacity: 0;
    transition: all var(--transition-medium);
}

.project-link:hover {
    opacity: 1;
}

.link-icon {
    font-size: 2rem;
    color: var(--text-main);
}

.project-content {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.project-description {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.project-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.tag {
    padding: 0.3rem 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.btn-project {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(135deg, var(--accent-2), var(--accent-3));
    color: #fff;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.btn-project:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 255, 204, 0.3);
}

.load-more {
    text-align: center;
    margin-top: 4rem;
}

.btn-load-more {
    padding: 1rem 3rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-size: 1rem;
    cursor: pointer;
    border-radius: 12px;
    transition: all var(--transition-fast);
}

.btn-load-more:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px) scale(1.05);
    border-color: var(--accent-3);
}

/* SKILLS SECTION */
.skills-container {
    margin-top: 3rem;
}

.skill-item {
    margin-bottom: 2rem;
}

.skill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.skill-name {
    font-size: 1.2rem;
}

.skill-percentage {
    color: var(--accent-3);
    font-weight: bold;
}

.skill-bar-wrapper {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.skill-track {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    z-index: 1;
}

.skill-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-2), var(--accent-3));
    transition: width 1.5s ease;
}

/* TECH STACK */
.tech-stack {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border-color);
}

.stack-title {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.tech-grid {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.tech-item {
    font-size: 2.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tech-item:hover {
    transform: scale(1.3) rotate(10deg);
}

/* CONTACT SECTION */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

@media (max-width: 768px) {
    .contact-container {
        grid-template-columns: 1fr;
    }
}

.contact-card, .contact-form {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid var(--border-color);
}

.contact-title, .form-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--text-main);
    transition: all var(--transition-fast);
}

.contact-item:hover {
    transform: translateX(8px) scale(1.02);
}

.contact-item .icon-envelope,
.contact-item .icon-linkedin,
.contact-item .icon-github,
.contact-item .icon-twitter {
    font-size: 1.5rem;
}

.contact-item .label {
    color: var(--text-muted);
    min-width: 70px;
}

.contact-item .value {
    color: var(--accent-3);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.form-input, .form-textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-main);
    font-family: inherit;
    transition: all var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--accent-3);
    background: rgba(255, 255, 255, 0.1);
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--accent-2), var(--accent-3));
    border: none;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-submit:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 12px 30px rgba(0, 255, 204, 0.3);
}

.form-note {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 1rem;
    text-align: center;
}

/* FOOTER */
.main-footer {
    padding: 4rem 2rem 2rem;
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

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

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-link {
    color: var(--text-muted);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.footer-link:hover {
    color: var(--accent-3);
    transform: translateX(8px);
}

.footer-socials {
    display: flex;
    gap: 1rem;
}

.social-icon {
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.social-icon:hover {
    transform: scale(1.3) rotate(10deg);
}

.footer-copyright {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* BACK TO TOP */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-2), var(--accent-3));
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.9;
    transition: all var(--transition-fast);
}

.back-to-top:hover {
    transform: translateY(-8px) scale(1.1);
    box-shadow: 0 12px 30px rgba(0, 255, 204, 0.3);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
    stroke: #fff;
    fill: none;
    stroke-width: 1.5;
}

.hidden {
    opacity: 0;
    pointer-events: none;
}

/* SCROLL ANIMATION UTILITIES */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

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

.fade-in-delayed {
    animation: fadeInUp 0.8s ease-out 0.2s forwards;
    opacity: 0;
}

.fade-in-left {
    animation: fadeInLeft 0.6s ease-out 0.3s forwards;
    opacity: 0;
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hover-lift {
    transition: all var(--transition-medium);
}

.hover-lift:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.scroll-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-medium);
}

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

.counter-reveal .stat-number {
    transition: all 2s ease-out;
}

.counter-reveal.is-active .stat-number {
    animation: counterUp 2s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes counterUp {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.progress-reveal {
    width: 0;
    transition: width 2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* .progress-reveal.is-active {
    animation: progressFill 2s ease-out forwards;
}

@keyframes progressFill {
    from { width: 0; }
    to { width: var(--target-width); }
} */

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

    .lang-toggle-nav {
        display: block;
    }

    .hero-title {
        font-size: 2rem;
    }

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