/* =============================================
   SHARED DESIGN SYSTEM
   Mohammed Ahmed Hassan — Portfolio & Blog
   ============================================= */

:root {
    --space-black: #03040f;
    --space-deep: #070b1a;
    --space-dark: #0c1228;
    --glass-bg: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-hover: rgba(255, 255, 255, 0.08);
    --nebula-blue: #4f8ef7;
    --nebula-purple: #9b5dff;
    --nebula-pink: #ff4fa3;
    --nebula-teal: #2dd4c8;
    --star-white: #e8f0ff;
    --text: #d4deff;
    --text-dim: #8896c0;
    --text-bright: #f0f4ff;
    --accent-glow: rgba(79, 142, 247, 0.3);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Space Mono', monospace;
    background: var(--space-black);
    color: var(--text);
    overflow-x: hidden;
    line-height: 1.7;
}

/* ---- CANVAS STARFIELD ---- */
#starfield {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ---- NEBULA BACKGROUND ---- */
.nebula-layer {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 80% 60% at 15% 20%, rgba(79, 142, 247, 0.07) 0%, transparent 60%),
        radial-gradient(ellipse 60% 80% at 85% 70%, rgba(155, 93, 255, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 50% 50% at 50% 50%, rgba(255, 79, 163, 0.04) 0%, transparent 60%),
        radial-gradient(ellipse 70% 40% at 30% 80%, rgba(45, 212, 200, 0.05) 0%, transparent 60%);
    animation: nebulaDrift 25s ease-in-out infinite alternate;
}

@keyframes nebulaDrift {
    0%   { opacity: 0.7; transform: scale(1); }
    50%  { opacity: 1;   transform: scale(1.05); }
    100% { opacity: 0.8; transform: scale(1.02); }
}

/* ---- CONTENT WRAPPER ---- */
.content-wrapper { position: relative; z-index: 1; }

/* ---- NAV ---- */
nav {
    position: fixed;
    top: 0; width: 100%;
    padding: 1.2rem 6%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(3, 4, 15, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(79, 142, 247, 0.15);
}

.logo {
    font-family: 'Dancing Script', cursive;
    font-size: 1.9rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--nebula-blue), var(--nebula-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0;
    text-decoration: none;
}

.nav-links { display: flex; gap: 2.5rem; list-style: none; }

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 1px;
    transition: color 0.3s;
    position: relative;
}
.nav-links a:hover { color: var(--nebula-blue); }

.nav-links a.active {
    color: var(--nebula-blue);
}
.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0; right: 0;
    height: 1px;
    background: var(--nebula-blue);
    box-shadow: 0 0 8px var(--nebula-blue);
}

/* ---- SECTIONS ---- */
section {
    padding: 7rem 6%;
    max-width: 1300px;
    margin: 0 auto;
}

.section-header { margin-bottom: 4rem; }

.section-eyebrow {
    font-size: 0.7rem;
    letter-spacing: 4px;
    color: var(--nebula-teal);
    text-transform: uppercase;
    margin-bottom: 0.75rem;
    display: block;
}

.section-title {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--text-bright);
}

.section-title span {
    background: linear-gradient(135deg, var(--nebula-blue), var(--nebula-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---- GLASS CARD ---- */
.glass {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    transition: all 0.35s ease;
}

.glass:hover {
    background: var(--glass-hover);
    border-color: rgba(79, 142, 247, 0.25);
    box-shadow: 0 8px 40px rgba(79, 142, 247, 0.1);
    transform: translateY(-4px);
}

/* ---- TAGS ---- */
.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.tag {
    padding: 0.28rem 0.75rem;
    font-size: 0.7rem;
    border-radius: 50px;
    background: rgba(79, 142, 247, 0.1);
    border: 1px solid rgba(79, 142, 247, 0.25);
    color: var(--nebula-blue);
    letter-spacing: 0.5px;
}

.tag.purple {
    background: rgba(155, 93, 255, 0.1);
    border-color: rgba(155, 93, 255, 0.25);
    color: var(--nebula-purple);
}

.tag.teal {
    background: rgba(45, 212, 200, 0.1);
    border-color: rgba(45, 212, 200, 0.25);
    color: var(--nebula-teal);
}

.tag.pink {
    background: rgba(255, 79, 163, 0.1);
    border-color: rgba(255, 79, 163, 0.25);
    color: var(--nebula-pink);
}

/* ---- BUTTONS ---- */
.btn {
    padding: 0.85rem 2rem;
    font-family: 'Space Mono', monospace;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--nebula-blue), var(--nebula-purple));
    color: #fff;
    border-radius: 50px;
    box-shadow: 0 0 25px rgba(79, 142, 247, 0.3);
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(79, 142, 247, 0.5);
}

.btn-ghost {
    background: var(--glass-bg);
    color: var(--text);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    backdrop-filter: blur(10px);
}
.btn-ghost:hover {
    background: var(--glass-hover);
    border-color: rgba(79, 142, 247, 0.4);
    transform: translateY(-3px);
}

/* ---- FOOTER ---- */
footer {
    padding: 2.5rem 6%;
    text-align: center;
    border-top: 1px solid rgba(79, 142, 247, 0.1);
    background: rgba(3, 4, 15, 0.7);
    backdrop-filter: blur(20px);
    position: relative;
    z-index: 1;
}

footer p {
    font-size: 0.78rem;
    color: var(--text-dim);
    letter-spacing: 1px;
}

footer span { color: var(--nebula-blue); }

/* ---- HAMBURGER ---- */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    z-index: 1100;
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s, background 0.3s;
    transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); background: var(--nebula-blue); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); background: var(--nebula-blue); }

/* ---- SCROLL REVEAL ---- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---- ANIMATIONS ---- */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes spinSlow { to { transform: rotate(360deg); } }

@keyframes orbit { to { transform: rotate(360deg) translateX(-5px); } }

@keyframes pulseDot {
    0%, 100% { transform: scale(1); opacity: 1; }
    50%       { transform: scale(1.5); opacity: 0.5; }
}

/* ============================================
   INDEX — HERO
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 6% 60px;
}

.hero-inner {
    max-width: 1200px;
    width: 100%;
    display: flex;
    align-items: center;
    gap: 5rem;
    flex-wrap: wrap;
}

.hero-text { flex: 1; min-width: 300px; }

.hero-label {
    font-size: 0.75rem;
    letter-spacing: 4px;
    color: var(--nebula-teal);
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeUp 0.8s 0.2s ease forwards;
}

.hero-name {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2.8rem, 6vw, 5.5rem);
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeUp 0.8s 0.4s ease forwards;
}

.hero-name .line1 { color: var(--text-bright); display: block; }
.hero-name .line2 {
    background: linear-gradient(135deg, var(--nebula-blue), var(--nebula-purple), var(--nebula-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.hero-roles {
    font-size: 0.9rem;
    color: var(--text-dim);
    margin-bottom: 2rem;
    letter-spacing: 1px;
    opacity: 0;
    animation: fadeUp 0.8s 0.5s ease forwards;
}
.hero-roles span { color: var(--nebula-blue); }

.hero-desc {
    font-size: 0.95rem;
    line-height: 1.9;
    color: var(--text-dim);
    max-width: 560px;
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeUp 0.8s 0.6s ease forwards;
}

.hero-btns {
    display: flex;
    gap: 1.2rem;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 0.8s 0.7s ease forwards;
}

/* Profile signature */
.hero-photo-wrap {
    position: relative;
    width: 280px;
    height: 280px;
    flex-shrink: 0;
    opacity: 0;
    animation: fadeUp 0.8s 0.5s ease forwards;
}

.hero-photo-wrap::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--nebula-blue), var(--nebula-purple), var(--nebula-pink));
    animation: spinSlow 8s linear infinite;
    opacity: 0.7;
}

.hero-photo-wrap::after {
    content: '';
    position: absolute;
    inset: -18px;
    border-radius: 50%;
    border: 1px solid rgba(79, 142, 247, 0.2);
    animation: spinSlow 15s linear infinite reverse;
}

.hero-photo {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    position: relative;
    z-index: 1;
    border: 4px solid var(--space-black);
}

.text-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Dancing Script', cursive;
    font-size: clamp(3.8rem, 8vw, 6rem);
    font-weight: 700;
    letter-spacing: 0;
    background:
        radial-gradient(circle at 35% 25%, rgba(255, 255, 255, 0.14), transparent 32%),
        linear-gradient(135deg, rgba(79, 142, 247, 0.22), rgba(155, 93, 255, 0.18), rgba(255, 79, 163, 0.16)),
        var(--space-black);
    color: var(--text-bright);
    text-shadow:
        0 0 18px rgba(79, 142, 247, 0.45),
        0 0 34px rgba(155, 93, 255, 0.35);
    user-select: none;
}

.orbit-dot {
    position: absolute;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--nebula-blue);
    box-shadow: 0 0 10px var(--nebula-blue);
    top: -5px; left: 50%;
    transform-origin: 0 145px;
    animation: orbit 6s linear infinite;
}
.orbit-dot:nth-child(2) {
    background: var(--nebula-purple);
    box-shadow: 0 0 10px var(--nebula-purple);
    animation-delay: -3s;
}

/* ============================================
   INDEX — ABOUT
   ============================================ */
#about .about-body {
    padding: 3rem;
    font-size: 1rem;
    line-height: 2;
    color: var(--text-dim);
    max-width: 880px;
}

.highlight        { color: var(--nebula-blue);   font-weight: 700; }
.highlight-purple { color: var(--nebula-purple);  font-weight: 700; }
.highlight-teal   { color: var(--nebula-teal);    font-weight: 700; }

/* ============================================
   INDEX — SKILLS
   ============================================ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.skill-card { padding: 2rem; }

.skill-icon {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    display: block;
}

.skill-card h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 0.6rem;
}

.skill-card p {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-bottom: 1.2rem;
    line-height: 1.7;
}

/* ============================================
   INDEX — PROJECTS
   ============================================ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.project-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.project-top {
    padding: 2rem 2rem 1.5rem;
    flex: 1;
}

.project-badge {
    display: inline-block;
    font-size: 0.65rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 0.3rem 0.9rem;
    border-radius: 50px;
    background: rgba(79, 142, 247, 0.1);
    border: 1px solid rgba(79, 142, 247, 0.2);
    color: var(--nebula-blue);
    margin-bottom: 1.2rem;
}
.project-badge.purple { background: rgba(155, 93, 255, 0.1); border-color: rgba(155, 93, 255, 0.2); color: var(--nebula-purple); }
.project-badge.teal   { background: rgba(45, 212, 200, 0.1);  border-color: rgba(45, 212, 200, 0.2);  color: var(--nebula-teal); }
.project-badge.pink   { background: rgba(255, 79, 163, 0.1);  border-color: rgba(255, 79, 163, 0.2);  color: var(--nebula-pink); }

.project-card h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 0.8rem;
    line-height: 1.3;
}

.project-card p {
    font-size: 0.82rem;
    color: var(--text-dim);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.project-bottom {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--glass-border);
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.proj-link {
    padding: 0.5rem 1.2rem;
    font-family: 'Space Mono', monospace;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.proj-link.github {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    color: var(--text);
}
.proj-link.github:hover { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.25); }

.proj-link.demo {
    background: linear-gradient(135deg, var(--nebula-blue), var(--nebula-purple));
    color: #fff;
    border: none;
}
.proj-link.demo:hover { box-shadow: 0 4px 20px rgba(79, 142, 247, 0.4); transform: translateY(-2px); }

/* Featured card */
.featured-card {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 3rem;
    align-items: center;
    padding: 3rem;
}

.featured-label {
    font-size: 0.65rem;
    letter-spacing: 3px;
    color: var(--nebula-pink);
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.pulse-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--nebula-pink);
    box-shadow: 0 0 8px var(--nebula-pink);
    animation: pulseDot 2s ease-in-out infinite;
}

.featured-card h3 {
    font-family: 'Syne', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-bright);
    margin-bottom: 0.8rem;
}

.featured-card p {
    font-size: 0.9rem;
    color: var(--text-dim);
    line-height: 1.85;
    max-width: 600px;
    margin-bottom: 2rem;
}

.featured-links { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ============================================
   INDEX — CONTACT
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-left { padding: 3rem; }

.contact-left h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 1rem;
}

.contact-left p {
    font-size: 0.85rem;
    color: var(--text-dim);
    line-height: 1.85;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    margin-bottom: 1.5rem;
}

.contact-icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(79,142,247,0.2), rgba(155,93,255,0.2));
    border: 1px solid rgba(79,142,247,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--nebula-blue);
    flex-shrink: 0;
}

.contact-item .info p:first-child {
    font-size: 0.7rem;
    color: var(--text-dim);
    letter-spacing: 1px;
    margin-bottom: 0.15rem;
}

.contact-item .info a,
.contact-item .info span {
    font-size: 0.85rem;
    color: var(--text);
    text-decoration: none;
}
.contact-item .info a:hover { color: var(--nebula-blue); }

.socials {
    display: flex;
    gap: 0.75rem;
    margin-top: 2.5rem;
    flex-wrap: wrap;
}

.social-btn {
    width: 42px; height: 42px;
    border-radius: 12px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 1rem;
    transition: all 0.3s;
}
.social-btn:hover {
    background: rgba(79,142,247,0.15);
    border-color: rgba(79,142,247,0.35);
    color: var(--nebula-blue);
    transform: translateY(-3px);
}

.contact-form { padding: 3rem; display: flex; flex-direction: column; gap: 1.2rem; }

.form-group { display: flex; flex-direction: column; gap: 0.5rem; }

.form-group label {
    font-size: 0.72rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--nebula-blue);
}

.form-group input,
.form-group textarea {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    padding: 0.9rem 1.1rem;
    color: var(--text);
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    transition: all 0.3s;
    resize: none;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(79, 142, 247, 0.5);
    background: rgba(79, 142, 247, 0.05);
    box-shadow: 0 0 20px rgba(79, 142, 247, 0.1);
}

.form-group textarea { min-height: 130px; resize: vertical; }

.btn-submit {
    padding: 1rem;
    background: linear-gradient(135deg, var(--nebula-blue), var(--nebula-purple));
    color: #fff;
    border: none;
    border-radius: 12px;
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
    margin-top: 0.5rem;
    transition: all 0.3s;
}
.btn-submit:hover {
    box-shadow: 0 6px 30px rgba(79,142,247,0.4);
    transform: translateY(-2px);
}

/* ============================================
   BLOG — LISTING PAGE
   ============================================ */
.blog-hero {
    padding: 140px 6% 5rem;
    max-width: 1300px;
    margin: 0 auto;
}

.blog-hero-inner {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.blog-hero-text .page-eyebrow {
    font-size: 0.7rem;
    letter-spacing: 4px;
    color: var(--nebula-teal);
    text-transform: uppercase;
    margin-bottom: 0.75rem;
    display: block;
    opacity: 0;
    animation: fadeUp 0.7s 0.1s ease forwards;
}

.blog-hero-text h1 {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2.4rem, 5vw, 4rem);
    font-weight: 800;
    color: var(--text-bright);
    line-height: 1.1;
    opacity: 0;
    animation: fadeUp 0.7s 0.25s ease forwards;
}

.blog-hero-text h1 span {
    background: linear-gradient(135deg, var(--nebula-blue), var(--nebula-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.blog-hero-text p {
    font-size: 0.9rem;
    color: var(--text-dim);
    margin-top: 1rem;
    max-width: 500px;
    line-height: 1.85;
    opacity: 0;
    animation: fadeUp 0.7s 0.4s ease forwards;
}

/* Filter bar */
.filter-bar {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 0.7s 0.5s ease forwards;
}

.filter-btn {
    padding: 0.45rem 1.1rem;
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 1px;
    border-radius: 50px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-dim);
    cursor: pointer;
    transition: all 0.25s;
}
.filter-btn:hover,
.filter-btn.active {
    background: rgba(79, 142, 247, 0.12);
    border-color: rgba(79, 142, 247, 0.4);
    color: var(--nebula-blue);
}

/* Blog grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
    padding: 0 6% 7rem;
    max-width: 1300px;
    margin: 0 auto;
}

/* Post card */
.post-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
}

.post-card:hover { transform: translateY(-6px); box-shadow: 0 12px 50px rgba(79, 142, 247, 0.12); }

.post-card-top {
    padding: 2rem 2rem 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.2rem;
    flex-wrap: wrap;
}

.post-category {
    font-size: 0.62rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 0.28rem 0.8rem;
    border-radius: 50px;
}

.post-date {
    font-size: 0.7rem;
    color: var(--text-dim);
    letter-spacing: 0.5px;
}

.post-read-time {
    font-size: 0.7rem;
    color: var(--text-dim);
    margin-left: auto;
}

.post-card h2 {
    font-family: 'Syne', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 0.8rem;
    line-height: 1.35;
}

.post-card .post-excerpt {
    font-size: 0.82rem;
    color: var(--text-dim);
    line-height: 1.8;
    flex: 1;
}

.post-card-bottom {
    padding: 1.2rem 2rem;
    border-top: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.post-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; }

.read-more {
    font-size: 0.72rem;
    color: var(--nebula-blue);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    white-space: nowrap;
    transition: gap 0.2s;
}
.read-more:hover { gap: 0.6rem; }

/* Featured blog post (first card) */
.post-card.featured-post {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.post-card.featured-post .post-card-top { padding: 3rem; }

.post-card.featured-post h2 {
    font-size: 1.9rem;
    line-height: 1.25;
}

.post-card.featured-post .post-excerpt { font-size: 0.88rem; }

.post-card.featured-post .post-card-bottom {
    padding: 2rem 3rem;
}

.post-visual {
    background: linear-gradient(135deg, rgba(79,142,247,0.08), rgba(155,93,255,0.12));
    border-left: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 280px;
    position: relative;
    overflow: hidden;
}

.post-visual-text {
    font-family: 'Syne', sans-serif;
    font-size: 5rem;
    font-weight: 800;
    opacity: 0.08;
    color: var(--nebula-blue);
    line-height: 1;
    user-select: none;
    padding: 2rem;
    text-align: center;
}

/* ============================================
   BLOG POST — ARTICLE PAGE
   ============================================ */
.post-layout {
    padding: 120px 6% 7rem;
    max-width: 900px;
    margin: 0 auto;
}

.post-header { margin-bottom: 3rem; }

.post-header .post-meta {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeUp 0.6s 0.1s ease forwards;
}

.post-header h1 {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    color: var(--text-bright);
    line-height: 1.15;
    margin-bottom: 1.2rem;
    opacity: 0;
    animation: fadeUp 0.7s 0.2s ease forwards;
}

.post-header .post-summary {
    font-size: 1rem;
    color: var(--text-dim);
    line-height: 1.85;
    max-width: 720px;
    opacity: 0;
    animation: fadeUp 0.7s 0.35s ease forwards;
}

.post-divider {
    height: 1px;
    background: linear-gradient(90deg, var(--nebula-blue), var(--nebula-purple), transparent);
    margin: 2.5rem 0;
    opacity: 0.3;
}

/* Article body typography */
.post-body {
    font-size: 1rem;
    line-height: 1.9;
    color: var(--text-dim);
}

.post-body h2 {
    font-family: 'Syne', sans-serif;
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--text-bright);
    margin: 3rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(79, 142, 247, 0.15);
}

.post-body h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--nebula-blue);
    margin: 2rem 0 0.75rem;
}

.post-body p { margin-bottom: 1.5rem; }

.post-body a {
    color: var(--nebula-blue);
    text-decoration: underline;
    text-decoration-color: rgba(79, 142, 247, 0.4);
    transition: text-decoration-color 0.2s;
}
.post-body a:hover { text-decoration-color: var(--nebula-blue); }

.post-body strong { color: var(--text-bright); font-weight: 700; }

.post-body code {
    font-family: 'Space Mono', monospace;
    font-size: 0.85em;
    background: rgba(79, 142, 247, 0.1);
    border: 1px solid rgba(79, 142, 247, 0.2);
    border-radius: 4px;
    padding: 0.15em 0.45em;
    color: var(--nebula-teal);
}

.post-body pre {
    background: rgba(7, 11, 26, 0.8);
    border: 1px solid rgba(79, 142, 247, 0.15);
    border-radius: 12px;
    padding: 1.5rem;
    overflow-x: auto;
    margin: 1.5rem 0;
    font-size: 0.85rem;
    line-height: 1.7;
}

.post-body pre code {
    background: none;
    border: none;
    padding: 0;
    font-size: inherit;
    color: var(--nebula-teal);
}

.post-body blockquote {
    border-left: 3px solid var(--nebula-purple);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    background: rgba(155, 93, 255, 0.05);
    border-radius: 0 10px 10px 0;
    font-style: italic;
    color: var(--text);
}

.post-body ul,
.post-body ol {
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.post-body li { margin-bottom: 0.5rem; }

/* Callout boxes */
.callout {
    padding: 1.25rem 1.5rem;
    border-radius: 12px;
    margin: 2rem 0;
    font-size: 0.9rem;
    line-height: 1.75;
}

.callout.info {
    background: rgba(79, 142, 247, 0.08);
    border: 1px solid rgba(79, 142, 247, 0.2);
    color: var(--text);
}

.callout.warning {
    background: rgba(255, 79, 163, 0.07);
    border: 1px solid rgba(255, 79, 163, 0.2);
    color: var(--text);
}

.callout-label {
    font-size: 0.68rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: block;
}
.callout.info .callout-label   { color: var(--nebula-blue); }
.callout.warning .callout-label { color: var(--nebula-pink); }

/* Post footer / nav */
.post-footer {
    margin-top: 5rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(79, 142, 247, 0.1);
}

.post-footer-tags { margin-bottom: 3rem; }

.post-footer-tags h4 {
    font-size: 0.72rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 1rem;
}

.post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.post-nav-link {
    padding: 1.5rem;
    text-decoration: none;
    transition: all 0.3s;
}
.post-nav-link:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(79, 142, 247, 0.1); }

.post-nav-link span {
    display: block;
    font-size: 0.65rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 0.5rem;
}

.post-nav-link strong {
    font-family: 'Syne', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-bright);
    line-height: 1.3;
}

.back-to-blog {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    color: var(--nebula-blue);
    text-decoration: none;
    letter-spacing: 0.5px;
    transition: gap 0.2s;
}
.back-to-blog:hover { gap: 0.8rem; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    section { padding: 5rem 5%; }
    .hero { padding: 100px 5% 50px; }
    .skills-grid { grid-template-columns: repeat(2, 1fr); }
    .projects-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
    .featured-card { grid-template-columns: 1fr; gap: 1.5rem; padding: 2.5rem; }
    .featured-card h3 { font-size: 2rem; }
    .post-card.featured-post { grid-template-columns: 1fr; }
    .post-visual { min-height: 180px; }
}

@media (max-width: 900px) {
    .hamburger { display: flex; }
    .nav-links {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0; right: -100%;
        width: min(75vw, 280px);
        height: 100vh;
        background: rgba(7, 11, 26, 0.97);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        border-left: 1px solid rgba(79, 142, 247, 0.2);
        padding: 100px 2.5rem 2.5rem;
        gap: 0;
        list-style: none;
        transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1050;
    }
    .nav-links.open { right: 0; }
    .nav-links li { border-bottom: 1px solid rgba(255,255,255,0.06); }
    .nav-links a { display: block; padding: 1rem 0; font-size: 1rem; letter-spacing: 2px; }

    .hero { padding: 90px 5% 60px; min-height: auto; }
    .hero-inner { flex-direction: column-reverse; text-align: center; gap: 2.5rem; align-items: center; }
    .hero-text { min-width: unset; width: 100%; }
    .hero-label { font-size: 0.7rem; letter-spacing: 2px; }
    .hero-desc { margin: 0 auto 2.5rem; max-width: 100%; }
    .hero-btns { justify-content: center; gap: 1rem; }
    .hero-photo-wrap { width: 200px; height: 200px; }
    .orbit-dot { transform-origin: 0 105px; }

    section { padding: 4rem 5%; }
    .section-header { margin-bottom: 2.5rem; }

    #about .about-body { padding: 1.75rem; font-size: 0.92rem; }

    .skills-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
    .skill-card { padding: 1.5rem; }

    .projects-grid { grid-template-columns: 1fr; gap: 1.5rem; }
    .featured-card { grid-template-columns: 1fr; gap: 1.5rem; padding: 2rem; }
    .featured-card h3 { font-size: 1.8rem; }
    .featured-card > div:last-child { display: none; }

    .contact-grid { grid-template-columns: 1fr; gap: 1.5rem; }
    .contact-left { padding: 2rem; }
    .contact-left h3 { font-size: 1.4rem; }
    .contact-form { padding: 2rem; gap: 1rem; }

    .blog-hero { padding: 100px 5% 3rem; }
    .blog-hero-inner { flex-direction: column; align-items: flex-start; }
    .blog-grid { padding: 0 5% 5rem; grid-template-columns: 1fr; }
    .post-card.featured-post { grid-template-columns: 1fr; }
    .post-layout { padding: 100px 5% 5rem; }
    .post-nav { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    nav { padding: 1rem 5%; }
    .logo { font-size: 1.55rem; }
    .hero { padding: 80px 4% 50px; }
    .hero-name { font-size: clamp(2.2rem, 10vw, 3rem); }
    .hero-roles { font-size: 0.75rem; letter-spacing: 0.5px; }
    .hero-desc { font-size: 0.85rem; }
    .btn { padding: 0.75rem 1.4rem; font-size: 0.75rem; }
    .hero-btns { flex-direction: column; align-items: center; width: 100%; }
    .btn { width: 100%; text-align: center; }
    .hero-photo-wrap { width: 160px; height: 160px; }
    .orbit-dot { transform-origin: 0 85px; }

    section { padding: 3.5rem 4%; }
    .section-title { font-size: 1.7rem; }

    #about .about-body { padding: 1.25rem; font-size: 0.88rem; line-height: 1.85; }

    .skills-grid { grid-template-columns: 1fr; gap: 1rem; }
    .skill-card { padding: 1.25rem; }
    .skill-card h3 { font-size: 0.95rem; }
    .skill-card p { font-size: 0.78rem; }
    .tag { font-size: 0.65rem; padding: 0.22rem 0.6rem; }

    .projects-grid { grid-template-columns: 1fr; gap: 1.2rem; }
    .project-top { padding: 1.5rem 1.5rem 1.25rem; }
    .project-bottom { padding: 1.25rem 1.5rem; gap: 0.6rem; }
    .project-card h3 { font-size: 1.15rem; }
    .project-card p { font-size: 0.78rem; }
    .proj-link { font-size: 0.68rem; padding: 0.45rem 1rem; }
    .featured-card { padding: 1.5rem; }
    .featured-card h3 { font-size: 1.5rem; }
    .featured-card p { font-size: 0.82rem; }

    .contact-left { padding: 1.5rem; }
    .contact-left h3 { font-size: 1.2rem; }
    .contact-left p { font-size: 0.8rem; }
    .contact-form { padding: 1.5rem; }
    .contact-item { gap: 1rem; }
    .contact-icon { width: 38px; height: 38px; font-size: 0.9rem; }
    .social-btn { width: 38px; height: 38px; font-size: 0.9rem; }
    .socials { gap: 0.6rem; margin-top: 1.5rem; }

    footer { padding: 2rem 4%; }
    footer p { font-size: 0.72rem; }

    .blog-hero { padding: 90px 4% 2.5rem; }
    .blog-hero-text h1 { font-size: 2rem; }
    .blog-grid { padding: 0 4% 4rem; }
    .post-card-top { padding: 1.5rem 1.5rem 1.25rem; }
    .post-card-bottom { padding: 1.25rem 1.5rem; }
    .post-card h2 { font-size: 1.15rem; }
    .post-card.featured-post .post-card-top { padding: 2rem; }
    .post-card.featured-post h2 { font-size: 1.5rem; }
    .post-layout { padding: 90px 4% 4rem; }
    .post-header h1 { font-size: 1.8rem; }
    .post-body h2 { font-size: 1.35rem; }
    .post-body pre { padding: 1rem; font-size: 0.8rem; }
}

@media (max-width: 360px) {
    .hero-name { font-size: 2rem; }
    .hero-photo-wrap { width: 140px; height: 140px; }
    .orbit-dot { transform-origin: 0 75px; }
    .section-title { font-size: 1.5rem; }
}