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

:root {
    --primary: #ffffff;
    --primary-active: #e5e5e5;
    --on-primary: #171717;
    --text-link: #47c2ff;
    --ink: #ffffff;
    --body-color: #b0b4ba;
    --muted: #7a7d82;
    --hairline: rgba(255, 255, 255, 0.08);
    --hairline-strong: rgba(255, 255, 255, 0.16);
    --canvas: #171717;
    --canvas-soft: #1a1a1a;
    --surface-card: #1e1e1e;
    --surface-strong: #232323;
    --on-dark-soft: #b0b4ba;
    --gradient-sky-dark: rgba(13, 116, 206, 0.28);
    --gradient-sky-dark-mid: rgba(13, 116, 206, 0.12);
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-pill: 9999px;
    --space-xs: 8px;
    --space-sm: 12px;
    --space-md: 20px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-section: 96px;
    --shadow-soft: 0 4px 16px rgba(0, 0, 0, 0.35);
    --font-fa: 'IranSans', 'Inter', -apple-system, system-ui, sans-serif;
    --transition: all 0.2s ease;
}

body {
    font-family: var(--font-fa);
    background: var(--canvas);
    color: var(--ink);
    line-height: 1.5;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

.mail-link {
    text-decoration: none;
    color: var(--text-link);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.75rem;
}


.navbar {
    position: fixed;
    left: 50%;                       
    transform: translateX(-50%);     
    width: calc(100% - 40px);        
    z-index: 1000;
    height: 52px;
    display: flex;
    align-items: center;
    background: rgba(23, 23, 23, 0.00001);
    backdrop-filter: saturate(210%) blur(2.5px);
    -webkit-backdrop-filter: saturate(210%) blur(2.5px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.0000001);
    transition: var(--transition);
    border-radius: 9999px;           
}

.navbar.scrolled {
    background: rgba(23, 23, 23, 0.00001);
    border-bottom-color: rgba(255, 255, 255, 0.12);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

footer {
    text-align: center;
    padding: 64px 15px 48px;
    color: var(--body-color);
    font-size: 14px;
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
}

.logo {
    font-size: 1.6rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    color: var(--ink);
    text-decoration: none;
    transition: var(--transition);
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.2rem;
    align-items: center;
}

.nav-link {
    color: var(--ink);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    width: 28px;
    height: 2.5px;
    background: var(--ink);
    border-radius: var(--radius-xs);
    transition: var(--transition);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-section) 0;
    background:
        radial-gradient(ellipse 60% 50% at 50% 0%, var(--gradient-sky-dark) 0%, var(--gradient-sky-dark-mid) 40%, transparent 70%),
        var(--canvas);
}

.hero-content {
    max-width: 880px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 7vw, 4rem);
    font-weight: 600;
    letter-spacing: -1.92px;
    line-height: 1.05;
    margin-bottom: var(--space-md);
    color: var(--ink);
}

.hero-desc {
    font-size: clamp(1.05rem, 2.5vw, 1.25rem);
    font-weight: 400;
    color: var(--body-color);
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-inline: auto;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    height: 40px;
    background: var(--primary);
    color: var(--on-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    border-radius: var(--radius-md);
    transition: var(--transition);
    border: none;
}

.cta-btn:hover {
    background: var(--primary-active);
}

.projects-section,
.support-section,
.contact-section {
    padding: var(--space-section) 0;
    background: var(--canvas);
}

.section-title {
    text-align: center;
    font-size: clamp(1.75rem, 4.5vw, 2.25rem);
    font-weight: 600;
    letter-spacing: -1.08px;
    line-height: 1.15;
    margin-bottom: var(--space-xl);
    color: var(--ink);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.project-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: var(--transition);
    cursor: pointer;
}

.project-card:hover {
    box-shadow: var(--shadow-soft);
    border-color: rgba(255, 255, 255, 0.24);
}

.project-icon {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    background: var(--surface-strong);
    border: 1px solid var(--hairline);
    transition: var(--transition);
}

.project-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--ink);
}

.project-card p {
    color: var(--body-color);
    margin-bottom: var(--space-md);
    font-size: 14px;
    line-height: 1.5;
}

.project-link {
    color: var(--text-link);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.project-link:hover {
    text-decoration: underline;
}

.support-content, .contact-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    background: var(--surface-card);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius-lg);
    padding: var(--space-xl) var(--space-lg);
}

.support-section h2, .contact-section h2 {
    font-size: 28px;
    font-weight: 600;
    letter-spacing: -0.84px;
    margin-bottom: var(--space-md);
    color: var(--ink);
}

.support-section p, .contact-section p {
    color: var(--body-color);
    font-size: 16px;
    margin-bottom: var(--space-xl);
}

.support-btn {
    display: inline-flex;
    align-items: center;
    padding: 10px 18px;
    height: 40px;
    background: var(--primary);
    color: var(--on-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    border-radius: var(--radius-md);
    transition: var(--transition);
    border: none;
}

.support-btn:hover {
    background: var(--primary-active);
}

.contact-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}

.contact-btn {
    padding: 9px 17px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    background: var(--surface-card);
    color: var(--ink);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
    border: 1px solid var(--hairline-strong);
}

.contact-btn:hover {
    border-color: var(--ink);
}

.trust-seal {
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--hairline);
}

.trust-seal h4 {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: var(--space-xs);
    font-weight: 400;
}

.trust-seal img {
    max-width: 100px;
    opacity: 0.85;
    transition: var(--transition);
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.25rem;
    }
    .hamburger {
        display: flex;
    }
    .nav-menu {
        position: fixed;
        top: 0;
        inset-inline-end: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--canvas);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-xl);
        transition: inset-inline-end 0.35s ease;
        z-index: 999;
        border-left: 1px solid var(--hairline);
    }
    .nav-menu.active {
        inset-inline-end: 0;
    }
    .nav-link {
        font-size: 1.4rem;
        font-weight: 500;
        padding: 0.8rem;
    }
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -8px);
    }
    body.no-scroll {
        overflow: hidden;
    }
    .projects-grid {
        grid-template-columns: 1fr;
    }
    .hero {
        padding-top: 6rem;
    }
    .support-content, .contact-content {
        padding: 1.8rem;
    }
}

.project-card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}
.project-card.reveal {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

a, button {
    cursor: pointer;
}

.dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    visibility: hidden;
    opacity: 0;
    transition: visibility 0.2s, opacity 0.2s ease;
}

.dialog-overlay.active {
    visibility: visible;
    opacity: 1;
}

.glass-dialog {
    background: var(--surface-card);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 380px;
    padding: 24px 20px 32px 20px;
    text-align: center;
    transition: transform 0.2s ease;
    transform: scale(0.97);
    box-shadow: var(--shadow-soft);
}

.dialog-overlay.active .glass-dialog {
    transform: scale(1);
}

.dialog-img-wrapper {
    margin: 8px 0 24px 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.dialog-img {
    max-width: 100%;
    max-height: 280px;
    width: auto;
    height: auto;
    border-radius: var(--radius-lg);
    display: block;
    border: 1px solid var(--hairline);
}

.dialog-btn {
    background: var(--primary);
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 500;
    color: var(--on-primary);
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    width: 80%;
    margin-top: 12px;
}

.dialog-btn:hover {
    background: var(--primary-active);
}

.dialog-btn:active {
    transform: scale(0.98);
}

.dialog-header {
    font-size: 1rem;
    color: var(--body-color);
    margin-bottom: 8px;
    font-weight: 500;
}

/* Last Edit : 11:10 9/3/2026 - Nima Fallah */