/* ============================================================
   AWS Resume — styles.css
   Clean, professional, responsive. No frameworks required.
   ============================================================ */

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

:root {
    --color-bg:          #f8f9fa;
    --color-surface:     #ffffff;
    --color-primary:     #1a3a5c;
    --color-accent:      #2e7d9e;
    --color-accent-light:#e8f4f8;
    --color-text:        #2c2c2c;
    --color-text-muted:  #6c757d;
    --color-border:      #dee2e6;
    --color-counter-bg:  #1a3a5c;
    --color-counter-fg:  #ffffff;

    --font-body:   'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-mono:   'Courier New', Courier, monospace;

    --radius:      6px;
    --shadow-sm:   0 1px 3px rgba(0,0,0,0.08);
    --shadow-md:   0 4px 12px rgba(0,0,0,0.10);

    --max-width:   860px;
    --gap:         2rem;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
}

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

/* ── Layout wrapper ───────────────────────────────────────── */
.wrapper {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ── Header ───────────────────────────────────────────────── */
#header {
    background: var(--color-primary);
    color: #fff;
    padding: 3rem 0 2rem;
    text-align: center;
}

#header h1 {
    font-size: 2.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 0.4rem;
}

#header p.tagline {
    font-size: 1.05rem;
    opacity: 0.85;
    margin-bottom: 1.2rem;
}

/* Visitor counter badge */
.counter-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 999px;
    padding: 0.35rem 1rem;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.counter-badge .label { opacity: 0.8; }

#counter {
    font-weight: 700;
    font-size: 1rem;
    min-width: 2ch;
    display: inline-block;
}

/* Social links */
.social-links {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.social-links a {
    color: rgba(255,255,255,0.85);
    border: 1px solid rgba(255,255,255,0.35);
    border-radius: var(--radius);
    padding: 0.3rem 0.8rem;
    font-size: 0.875rem;
    transition: background 0.15s, color 0.15s;
}
.social-links a:hover {
    background: rgba(255,255,255,0.2);
    color: #fff;
    text-decoration: none;
}

/* ── Nav bar ──────────────────────────────────────────────── */
#nav {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

#nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0;
}

#nav a {
    display: block;
    padding: 0.75rem 1.1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 2px solid transparent;
    transition: color 0.15s, border-color 0.15s;
}
#nav a:hover,
#nav a.active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
    text-decoration: none;
}

/* ── Main content ─────────────────────────────────────────── */
main {
    padding: var(--gap) 0;
    display: flex;
    flex-direction: column;
    gap: var(--gap);
}

/* ── Sections ─────────────────────────────────────────────── */
section {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 1.75rem 2rem;
}

section h2 {
    font-size: 1.15rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--color-primary);
    padding-bottom: 0.6rem;
    border-bottom: 2px solid var(--color-accent-light);
    margin-bottom: 1.2rem;
}

/* ── About ────────────────────────────────────────────────── */
.about-inner {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.about-inner img {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-accent-light);
    flex-shrink: 0;
}

.about-inner p { color: var(--color-text); }

/* ── Certifications ───────────────────────────────────────── */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.75rem;
}

.cert-item {
    background: var(--color-accent-light);
    border-radius: var(--radius);
    padding: 0.6rem 0.9rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    border-left: 3px solid var(--color-accent);
}

.cert-item .issuer {
    font-weight: 400;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    display: block;
    margin-top: 0.1rem;
}

/* ── Experience & Education ───────────────────────────────── */
.entry {
    padding-bottom: 1.25rem;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--color-border);
}
.entry:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

.entry-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin-bottom: 0.2rem;
}

.entry-header h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
}

.entry-header .dates {
    font-size: 0.825rem;
    color: var(--color-text-muted);
    white-space: nowrap;
}

.entry .company {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 0.4rem;
}

.entry ul {
    padding-left: 1.2rem;
    font-size: 0.9rem;
    color: var(--color-text);
}
.entry ul li { margin-bottom: 0.2rem; }

/* ── Skills ───────────────────────────────────────────────── */
.skills-group { margin-bottom: 1rem; }
.skills-group:last-child { margin-bottom: 0; }

.skills-group h3 {
    font-size: 0.825rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.tag {
    background: var(--color-accent-light);
    color: var(--color-primary);
    border-radius: 999px;
    padding: 0.2rem 0.7rem;
    font-size: 0.8rem;
    font-weight: 500;
}

/* ── Footer ───────────────────────────────────────────────── */
#footer {
    text-align: center;
    padding: 2rem 0;
    font-size: 0.825rem;
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
}

#footer a { color: var(--color-text-muted); }
#footer a:hover { color: var(--color-accent); }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 600px) {
    #header h1 { font-size: 1.8rem; }
    section { padding: 1.25rem 1.1rem; }
    .about-inner { flex-direction: column; align-items: center; text-align: center; }
    .entry-header { flex-direction: column; }
    .entry-header .dates { font-size: 0.8rem; }
}