/* =========================================================
   shagalsajid.com — Personal Portfolio
   Design philosophy: personal, minimal, content-first.
   Inspired by: karpathy.ai, huyenchip.com, swyx.io
   ========================================================= */

/* ── Variables ─────────────────────────────────────────── */
:root {
    --red:        #e63946;
    --dark:       #0f1117;
    --dark-2:     #1a1d27;
    --mid:        #6b7280;
    --mid-light:  #9ca3af;
    --border:     #e5e7eb;
    --border-dark:#2a2d3a;
    --bg:         #ffffff;
    --bg-subtle:  #f9fafb;
    --text:       #111827;
    --text-2:     #374151;
    --text-3:     #6b7280;

    --font-display: 'Ubuntu', sans-serif;
    --font-body:    'Ubuntu', sans-serif;

    --radius:     12px;
    --radius-lg:  20px;
    --radius-xl:  28px;
    --transition: 0.2s ease;
    --shadow:     0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.04);
    --shadow-lg:  0 8px 40px rgba(0,0,0,0.08);
}

/* ── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }

/* ── Layout ────────────────────────────────────────────── */
.section-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 80px 24px;
}

/* ── Buttons ───────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 22px;
    border-radius: 8px;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
    white-space: nowrap;
}
.btn-dark {
    background: var(--dark);
    color: #fff;
}
.btn-dark:hover { background: var(--dark-2); transform: translateY(-1px); }

.btn-outline-dark {
    background: transparent;
    color: var(--text);
    border: 1.5px solid var(--border);
}
.btn-outline-dark:hover {
    border-color: var(--dark);
    background: var(--bg-subtle);
}
.btn-ghost {
    background: transparent;
    color: var(--text-3);
    border: 1.5px solid transparent;
}
.btn-ghost:hover { color: var(--text); border-color: var(--border); }
.btn-lg { padding: 14px 32px; font-size: 1rem; }
.btn-red { background: var(--red); color: #fff; }
.btn-red:hover { background: #c1121f; transform: translateY(-1px); }

/* ── Typography helpers ────────────────────────────────── */
.section-eyebrow {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--red);
    margin-bottom: 10px;
}
.section-heading {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text);
    margin-bottom: 40px;
}
.section-header-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 8px;
}
.section-header-row .section-heading { margin-bottom: 0; }

/* ══════════════════════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════════════════════ */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}
.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}
.nav-logo {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.3px;
    flex-shrink: 0;
}
.nav-links {
    display: flex;
    gap: 28px;
    align-items: center;
}
.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-3);
    transition: color var(--transition);
}
.nav-links a:hover { color: var(--text); }

/* ══════════════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════════════ */
.hero-section {
    border-bottom: 1px solid var(--border);
}
.hero-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 80px 24px 80px;
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 80px;
    align-items: center;
}

/* Left */
.hero-location {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-3);
    margin-bottom: 20px;
}
.location-dot {
    width: 7px; height: 7px;
    background: #22c55e;
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
    animation: pulse-green 2.5s infinite;
}
.hero-name {
    font-family: var(--font-display);
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 900;
    line-height: 1;
    letter-spacing: -3px;
    color: var(--text);
    margin-bottom: 14px;
}
.hero-roles {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-3);
    margin-bottom: 24px;
    letter-spacing: 0.2px;
}
.hero-bio {
    font-size: 1.05rem;
    color: var(--text-2);
    line-height: 1.7;
    max-width: 500px;
    margin-bottom: 28px;
}

/* Social row */
.hero-socials {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
}
.social-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: 8px;
    border: 1.5px solid var(--border);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-2);
    background: var(--bg);
    transition: all var(--transition);
}
.social-link:hover {
    border-color: var(--dark);
    color: var(--dark);
    background: var(--bg-subtle);
    transform: translateY(-1px);
}

/* CTAs */
.hero-ctas {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Right: photo */
.hero-photo-wrap {
    position: relative;
}
.hero-photo {
    width: 100%;
    height: 480px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    filter: grayscale(8%);
}
.hero-float-tag {
    position: absolute;
    bottom: -16px;
    left: -16px;
    background: var(--dark);
    color: #fff;
    padding: 10px 18px;
    border-radius: 10px;
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    display: flex;
    align-items: center;
    gap: 7px;
    box-shadow: var(--shadow);
}
.float-dot {
    width: 7px; height: 7px;
    background: var(--red);
    border-radius: 50%;
    animation: pulse-red 2s infinite;
}

/* ══════════════════════════════════════════════════════════
   TECH STACK
══════════════════════════════════════════════════════════ */
.stack-section {
    background: var(--bg-subtle);
    border-bottom: 1px solid var(--border);
}
.stack-section .section-inner { padding: 40px 24px; }
.stack-label {
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-3);
    margin-bottom: 16px;
}
.stack-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.stack-category {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.stack-category-label {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-right: 4px;
    white-space: nowrap;
}
.stack-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border-radius: 6px;
    border: 1.5px solid var(--border);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-2);
    background: var(--bg);
    transition: all var(--transition);
    white-space: nowrap;
}
.stack-pill:hover {
    border-color: var(--text);
    color: var(--text);
}
.stack-divider {
    width: 1px;
    height: 24px;
    background: var(--border);
    margin: 0 6px;
}

/* ══════════════════════════════════════════════════════════
   ABOUT
══════════════════════════════════════════════════════════ */
.about-section { border-bottom: 1px solid var(--border); }
.about-inner {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 72px;
    align-items: center;
}
.about-photo-col {}
.about-photo {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}
.about-text-col {}
.about-heading {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text);
}
.about-bio-long {
    font-size: 1rem;
    color: var(--text-2);
    line-height: 1.75;
    margin-bottom: 16px;
}
.about-stats-row {
    display: flex;
    gap: 32px;
    margin-top: 32px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}
.about-stat {}
.about-stat-value {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--text);
    display: block;
    line-height: 1;
    margin-bottom: 4px;
}
.about-stat-label {
    font-size: 0.8rem;
    color: var(--text-3);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ══════════════════════════════════════════════════════════
   PROJECTS
══════════════════════════════════════════════════════════ */
.projects-section {
    background: var(--bg-subtle);
    border-bottom: 1px solid var(--border);
}
.projects-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg);
}
.project-item {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    align-items: center;
    padding: 28px 32px;
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
    text-decoration: none;
    color: inherit;
}
.project-item:last-child { border-bottom: none; }
.project-item:hover { background: var(--bg-subtle); }
.project-item:hover .project-arrow { transform: translate(3px, -3px); }
.project-left {}
.project-platform {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-3);
    margin-bottom: 6px;
}
.project-name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
}
.project-desc {
    font-size: 0.9rem;
    color: var(--text-3);
    line-height: 1.5;
    max-width: 560px;
}
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 12px;
}
.tag {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 3px 9px;
    border-radius: 5px;
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    color: var(--text-3);
    letter-spacing: 0.3px;
}
.project-arrow {
    font-size: 1.1rem;
    color: var(--text-3);
    transition: transform var(--transition);
    flex-shrink: 0;
    align-self: center;
}

/* ══════════════════════════════════════════════════════════
   WRITING / BLOG
══════════════════════════════════════════════════════════ */
.blog-section { border-bottom: 1px solid var(--border); }
.writing-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg);
}
.writing-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 24px 32px;
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
    cursor: pointer;
}
.writing-item:last-child { border-bottom: none; }
.writing-item:hover { background: var(--bg-subtle); }
.writing-item:hover .writing-arrow { transform: translateX(3px); }
.writing-left { flex: 1; }
.writing-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
}
.writing-category {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--red);
}
.writing-date {
    font-size: 0.78rem;
    color: var(--text-3);
}
.writing-readtime {
    font-size: 0.78rem;
    color: var(--text-3);
}
.writing-dot { color: var(--border); font-size: 0.7rem; }
.writing-title {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}
.writing-excerpt {
    font-size: 0.88rem;
    color: var(--text-3);
    line-height: 1.5;
}
.writing-arrow {
    font-size: 1rem;
    color: var(--text-3);
    transition: transform var(--transition);
    flex-shrink: 0;
}

/* ══════════════════════════════════════════════════════════
   PHOTOGRAPHY STRIP
══════════════════════════════════════════════════════════ */
.photo-strip-section {
    background: var(--dark);
    border-bottom: 1px solid var(--border-dark);
}
.photo-strip-section .section-inner { padding: 72px 24px; }
.photo-strip-section .section-eyebrow { color: var(--red); }
.photo-strip-section .section-heading { color: #fff; }
.photo-strip-section .btn-outline-dark {
    border-color: rgba(255,255,255,0.2);
    color: rgba(255,255,255,0.7);
    background: transparent;
}
.photo-strip-section .btn-outline-dark:hover {
    border-color: rgba(255,255,255,0.5);
    color: #fff;
    background: rgba(255,255,255,0.05);
}
.photo-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}
.photo-strip-item {
    border-radius: var(--radius);
    overflow: hidden;
    height: 220px;
    position: relative;
}
.photo-strip-item--tall { height: 280px; margin-top: -30px; }
.photo-strip-item img {
    width: 100%; height: 100%;
    object-fit: cover;
    filter: grayscale(15%) brightness(0.9);
    transition: filter var(--transition), transform 0.35s ease;
}
.photo-strip-item:hover img {
    filter: grayscale(0%) brightness(1);
    transform: scale(1.03);
}
.photo-strip-credit {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.35);
    text-align: right;
    font-weight: 500;
}

/* ══════════════════════════════════════════════════════════
   CONTACT
══════════════════════════════════════════════════════════ */
.contact-section {}
.contact-inner {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    padding: 100px 24px;
}
.contact-heading {
    font-family: var(--font-display);
    font-size: 2.6rem;
    font-weight: 900;
    letter-spacing: -1px;
    margin-bottom: 16px;
    color: var(--text);
}
.contact-sub {
    font-size: 1.05rem;
    color: var(--text-3);
    line-height: 1.7;
    margin-bottom: 36px;
}
.contact-ctas {
    display: flex;
    justify-content: center;
}

/* ══════════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════════ */
.site-footer {
    border-top: 1px solid var(--border);
    background: var(--bg-subtle);
}
.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}
.footer-logo {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.3px;
}
.footer-socials {
    display: flex;
    gap: 20px;
}
.footer-socials a {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-3);
    transition: color var(--transition);
}
.footer-socials a:hover { color: var(--text); }
.footer-copy {
    font-size: 0.8rem;
    color: var(--text-3);
}

/* ══════════════════════════════════════════════════════════
   ANIMATIONS
══════════════════════════════════════════════════════════ */
@keyframes pulse-green {
    0%, 100% { box-shadow: 0 0 0 3px rgba(34,197,94,0.2); }
    50%       { box-shadow: 0 0 0 6px rgba(34,197,94,0.08); }
}
@keyframes pulse-red {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.6; transform: scale(0.8); }
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
    .hero-inner         { grid-template-columns: 1fr; gap: 40px; }
    .hero-right         { order: -1; }
    .hero-photo         { height: 320px; }
    .hero-name          { font-size: 3rem; }
    .about-inner        { grid-template-columns: 1fr; }
    .about-photo        { height: 280px; }
    .photo-strip        { grid-template-columns: repeat(2, 1fr); }
    .photo-strip-item--tall { height: 220px; margin-top: 0; }
}

@media (max-width: 640px) {
    .section-inner      { padding: 56px 20px; }
    .hero-inner         { padding: 56px 20px; }
    .nav-links          { display: none; }
    .section-header-row { flex-direction: column; align-items: flex-start; gap: 16px; }
    .project-item       { grid-template-columns: 1fr; }
    .project-arrow      { display: none; }
    .writing-item       { flex-direction: column; align-items: flex-start; }
    .writing-arrow      { display: none; }
    .photo-strip        { grid-template-columns: 1fr 1fr; }
    .contact-heading    { font-size: 2rem; }
    .footer-inner       { flex-direction: column; text-align: center; }
    .about-stats-row    { gap: 20px; }
}
/* ----------------------------------------------------------
   EXPERIENCE / TIMELINE
---------------------------------------------------------- */
.experience-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-top: 20px;
}
.exp-company-block {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.exp-header {
    display: flex;
    align-items: center;
    gap: 16px;
}
.exp-logo {
    width: 48px;
    height: 48px;
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text);
    font-family: var(--font-display);
}
.exp-company-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--text);
    line-height: 1.2;
}
.exp-company-meta {
    font-size: 0.85rem;
    color: var(--text-3);
    margin-top: 4px;
}

.exp-roles {
    position: relative;
    padding-left: 24px;
    margin-left: 24px;
}
.exp-roles::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 24px;
    width: 2px;
    background: var(--border);
}

.exp-role {
    position: relative;
    padding-bottom: 24px;
}
.exp-role:last-child {
    padding-bottom: 0;
}
.exp-role::before {
    content: '';
    position: absolute;
    left: -29px;
    top: 6px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-3);
    border: 2px solid var(--bg);
}
.exp-role-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text);
    line-height: 1.3;
}
.exp-role-date {
    font-size: 0.85rem;
    color: var(--text-3);
    margin-top: 4px;
}
.exp-role-loc {
    font-size: 0.85rem;
    color: var(--text-3);
    margin-top: 2px;
}