/* ============================================
   Hassan Ahmed — Portfolio
   ============================================ */

/* ---- Custom Properties ---- */
:root {
    --bg:            #080810;
    --bg-alt:        #0c0c18;
    --bg-card:       #0f0f1e;
    --border:        rgba(255, 255, 255, 0.07);
    --border-hover:  rgba(99, 102, 241, 0.5);

    --text:          #d8e0ff;
    --text-muted:    #9daabf;
    --text-light:    #b8c4e0;

    --accent:        #6366f1;
    --accent-light:  #a5b4fc;
    --accent-glow:   rgba(99, 102, 241, 0.12);
    --accent-bright: #818cf8;

    --white:         #f0f4ff;

    --font:          'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono:     'SF Mono', 'Fira Code', 'Courier New', monospace;

    --nav-height:    68px;
    --section-pad:   110px;
    --inner-width:   1020px;

    --radius:        6px;
    --radius-lg:     10px;

    --transition:    0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: none;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 16.5px;
    font-weight: 400;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img { display: block; max-width: 100%; }
ul  { list-style: none; }

a {
    color: var(--accent-light);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover { color: var(--accent); }

strong { color: var(--white); font-weight: 600; }


/* ---- Cursor glow ---- */
.cursor-glow {
    position: fixed;
    top: 0; left: 0;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99,102,241,0.07) 0%, transparent 65%);
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.4s ease;
    will-change: transform;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #2a2a4a; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }


/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: box-shadow var(--transition);
}

.nav.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.nav-inner {
    max-width: var(--inner-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.02em;
    transition: color var(--transition);
}
.nav-logo:hover { color: var(--accent-light); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    padding: 6px 14px;
    border-radius: 6px;
    transition: color var(--transition), background var(--transition);
    letter-spacing: 0.02em;
}
.nav-link:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.05);
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-muted);
    border-radius: 2px;
    transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


/* ============================================
   HERO
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: calc(var(--nav-height) + 40px) 24px 80px;
    position: relative;
    overflow: hidden;
}

/* Canvas sits behind content */
.hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.hero-inner {
    max-width: var(--inner-width);
    margin: 0 auto;
    width: 100%;
    position: relative;
    z-index: 2;
}

/* Individual hero lines animate in, staggered */
.hero-greeting,
.hero-name,
.hero-title,
.hero-desc,
.hero-actions {
    animation: fadeInUp 0.6s ease both;
}
.hero-greeting { animation-delay: 0.05s; }
.hero-name     { animation-delay: 0.15s; }
.hero-title    { animation-delay: 0.28s; }
.hero-desc     { animation-delay: 0.40s; }
.hero-actions  { animation-delay: 0.52s; }

.hero-greeting {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-light);
    margin-bottom: 22px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.hero-name {
    font-size: clamp(2.8rem, 7vw, 5.2rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 14px;
}

.hero-title {
    font-size: clamp(1.6rem, 3.5vw, 2.8rem);
    font-weight: 500;
    color: var(--text-muted);
    line-height: 1.25;
    letter-spacing: -0.02em;
    margin-bottom: 32px;
}

.hero-desc {
    max-width: 560px;
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 48px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* Scroll indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
}

.hero-scroll-indicator span {
    display: block;
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--accent-light), transparent);
    animation: scrollPulse 2s ease infinite;
}


/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover {
    background: var(--accent-light);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(100, 108, 255, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--accent-light);
    border: 1px solid var(--accent);
}
.btn-outline:hover {
    background: var(--accent-glow);
    color: var(--accent-light);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1rem;
}


/* ============================================
   SECTIONS (shared)
   ============================================ */
.section {
    padding: var(--section-pad) 24px;
}

.section-alt {
    background: var(--bg-alt);
}

.section-inner {
    max-width: var(--inner-width);
    margin: 0 auto;
}

.section-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-light);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.section-title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.02em;
    margin-bottom: 48px;
    position: relative;
    padding-bottom: 20px;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-muted);
    margin-top: -32px;
    margin-bottom: 48px;
    max-width: 600px;
}


/* ============================================
   ABOUT
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 22px;
    font-size: 1rem;
    line-height: 1.85;
}
.about-text p:last-child { margin-bottom: 0; }

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

.highlight-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 2px solid var(--accent);
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.highlight-card:hover {
    border-color: var(--border-hover);
    border-left-color: var(--accent-light);
    transform: translateX(5px);
    box-shadow: -4px 0 20px rgba(99, 102, 241, 0.12);
}

.highlight-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.03em;
    line-height: 1;
}

.highlight-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}


/* ============================================
   SKILLS
   ============================================ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.skill-group {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.skill-group:hover {
    border-color: var(--border-hover);
    box-shadow: 0 4px 24px rgba(99, 102, 241, 0.08);
}

.skill-group-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text);
    font-size: 0.88rem;
    font-weight: 500;
    padding: 6px 0;
    transition: color var(--transition);
}
.skill-item:hover { color: var(--white); }

.skill-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
    flex-shrink: 0;
}

.skill-icon-invert {
    filter: invert(1) brightness(1.8);
}

.skill-icon-fa {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--accent-light);
}


/* ============================================
   PROJECTS
   ============================================ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    position: relative;
    overflow: hidden;
    /* anchor reset */
    color: inherit;
    text-decoration: none;
    cursor: pointer;
}

.project-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99,102,241,0.06) 0%, transparent 55%);
    opacity: 0;
    transition: opacity var(--transition);
    border-radius: inherit;
}

.project-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-6px);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(99,102,241,0.12);
}
.project-card:hover::before { opacity: 1; }

.project-card-featured {
    grid-column: span 2;
}

.project-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.project-icon {
    width: 44px;
    height: 44px;
    background: var(--accent-glow);
    border: 1px solid rgba(100, 108, 255, 0.2);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--accent-light);
}

.project-arrow {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color var(--transition), transform var(--transition);
}
.project-card:hover .project-arrow {
    color: var(--accent-light);
    transform: translateX(4px);
}

.project-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.project-badge {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent-light);
    background: var(--accent-glow);
    border: 1px solid rgba(100, 108, 255, 0.25);
    border-radius: 4px;
    padding: 2px 8px;
}

.project-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.75;
    flex: 1;
}
.project-desc strong { color: var(--accent-light); }

/* project number counter */
.projects-grid {
    counter-reset: project-counter;
}
.project-card {
    counter-increment: project-counter;
}
.project-card::after {
    content: '0' counter(project-counter);
    position: absolute;
    bottom: 28px;
    right: 28px;
    font-family: var(--font-mono);
    font-size: 3.5rem;
    font-weight: 700;
    color: rgba(255,255,255,0.03);
    line-height: 1;
    transition: color var(--transition);
    pointer-events: none;
}
.project-card:hover::after {
    color: rgba(99,102,241,0.07);
}


/* ============================================
   ARTICLES
   ============================================ */
.articles-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.article-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: border-color var(--transition), transform var(--transition);
    color: inherit;
    text-decoration: none;
}

.article-card:hover {
    border-color: var(--border-hover);
    transform: translateX(6px);
    color: inherit;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.article-tag {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent-light);
    background: var(--accent-glow);
    border-radius: 4px;
    padding: 3px 10px;
}

.article-date {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.article-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 10px;
    transition: color var(--transition);
}
.article-card:hover .article-title { color: var(--accent-light); }

.article-excerpt {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.75;
    margin-bottom: 18px;
}

.article-read-more {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent-light);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: gap var(--transition);
}
.article-card:hover .article-read-more { gap: 10px; }


/* ============================================
   CONTACT
   ============================================ */
.contact-inner {
    text-align: center;
    max-width: 600px;
}

.contact-text {
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 40px;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 48px;
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--text-muted);
    transition: all var(--transition);
}

.social-link:hover {
    border-color: var(--accent);
    color: var(--accent-light);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(100, 108, 255, 0.2);
}


/* ============================================
   PROJECT DETAIL PAGES
   ============================================ */
.project-detail {
    padding-top: var(--nav-height);
    min-height: 100vh;
}

.project-detail-inner {
    max-width: 820px;
    margin: 0 auto;
    padding: 60px 24px 100px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 48px;
    transition: color var(--transition), gap var(--transition);
    font-family: var(--font-mono);
    letter-spacing: 0.02em;
}
.back-link:hover {
    color: var(--accent-light);
    gap: 12px;
}

.project-detail-header {
    margin-bottom: 48px;
}

.project-detail-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.project-detail-category {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-light);
    font-family: var(--font-mono);
}

.project-detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-detail-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 16px;
}

.project-detail-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 640px;
}

.project-detail-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    margin-bottom: 64px;
    background: var(--bg-card);
}
.project-detail-image img {
    width: 100%;
    display: block;
}

.project-detail-content {
    display: flex;
    flex-direction: column;
    gap: 52px;
    margin-bottom: 64px;
}

.project-detail-section h2 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.project-detail-section p {
    font-size: 0.97rem;
    color: var(--text-muted);
    line-height: 1.85;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.feature-list li i {
    color: var(--accent-light);
    margin-top: 4px;
    flex-shrink: 0;
    font-size: 0.9rem;
}

.video-thumb {
    display: block;
    position: relative;
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    margin-top: 20px;
    background: #000;
    cursor: pointer;
}
.video-thumb.playing {
    padding-bottom: 56.25%;
    height: 0;
    cursor: default;
}
.video-thumb.playing img,
.video-thumb.playing .video-play-btn { display: none; }
.video-thumb.playing iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
}
.video-thumb img {
    width: 100%;
    display: block;
    opacity: 0.75;
    transition: opacity var(--transition);
}
.video-thumb:hover img { opacity: 0.55; }

.video-play-btn {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    pointer-events: none;
}
.video-play-btn .play-circle {
    width: 72px;
    height: 72px;
    background: rgba(100, 108, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: #fff;
    transition: transform var(--transition), background var(--transition);
    box-shadow: 0 8px 32px rgba(100, 108, 255, 0.5);
}
.video-thumb:hover .play-circle {
    transform: scale(1.1);
    background: var(--accent);
}
.video-play-btn .play-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: rgba(255,255,255,0.85);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-family: var(--font-mono);
}

.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 20px;
}
.screenshot-grid a {
    display: block;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: border-color var(--transition), transform var(--transition);
}
.screenshot-grid a:hover {
    border-color: var(--border-hover);
    transform: scale(1.02);
}
.screenshot-grid img {
    width: 100%;
    display: block;
}

.project-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 40px;
    border-top: 1px solid var(--border);
    gap: 16px;
    flex-wrap: wrap;
}

/* Active nav link */
.nav-link.active {
    color: var(--accent-light);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 28px 24px;
    text-align: center;
    border-top: 1px solid var(--border);
    font-size: 0.8rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
}


/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50%       { opacity: 0.3; transform: scaleY(0.5); }
}

.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}


/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
    :root {
        --section-pad: 72px;
        --inner-width: 100%;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

    .project-card-featured {
        grid-column: span 1;
    }
}

@media (max-width: 640px) {
    :root { --section-pad: 56px; }

    /* Mobile nav */
    .nav-toggle { display: flex; }

    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.97);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        flex-direction: column;
        align-items: stretch;
        padding: 20px 24px 32px;
        gap: 4px;
        border-bottom: 1px solid var(--border);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: transform var(--transition), opacity var(--transition);
    }

    .nav-links.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-link {
        padding: 12px 16px;
        font-size: 1rem;
    }

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

    .hero-actions { flex-direction: column; align-items: flex-start; }

    .hero-scroll-indicator { display: none; }

    .about-highlights { flex-direction: row; flex-wrap: wrap; }
    .highlight-card { flex: 1; min-width: 130px; }
}

@media (max-width: 400px) {
    .btn { width: 100%; justify-content: center; }
}