/* ==========================================================================
   Naved Iqbal — Portfolio
   Design concept: cloud monitoring / status dashboard aesthetic
   ========================================================================== */

:root {
  /* Color tokens */
  --bg: #0A1420;
  --bg-soft: #0D1826;
  --panel: #101D2E;
  --panel-raised: #14243A;
  --panel-border: #1E3149;
  --panel-border-soft: #172A3E;
  --text-primary: #EAF0F6;
  --text-secondary: #90A4B8;
  --text-tertiary: #5E7288;
  --accent-cyan: #4CD9C0;
  --accent-cyan-dim: #2C7A6C;
  --accent-amber: #F5B942;
  --accent-amber-dim: #8A6620;

  /* Type */
  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  /* Layout */
  --max-width: 1180px;
  --radius: 10px;
  --radius-sm: 6px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Subtle background grid, like a dashboard canvas */
body {
  background-image:
    linear-gradient(var(--panel-border-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--panel-border-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: center top;
  background-attachment: fixed;
  background-color: var(--bg);
}

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

section { position: relative; padding: 96px 0; }
@media (max-width: 720px) {
  section { padding: 64px 0; }
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}

.mono {
  font-family: var(--font-mono);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.eyebrow .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 0 0 rgba(76,217,192,0.6);
  animation: pulse-dot 2.4s ease-out infinite;
}

@keyframes pulse-dot {
  0%   { box-shadow: 0 0 0 0 rgba(76,217,192,0.5); }
  70%  { box-shadow: 0 0 0 8px rgba(76,217,192,0); }
  100% { box-shadow: 0 0 0 0 rgba(76,217,192,0); }
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 44px;
  flex-wrap: wrap;
}

.section-head h2 {
  font-size: clamp(26px, 3.2vw, 34px);
}

.section-index {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-tertiary);
  white-space: nowrap;
}

/* ------------------------- NAV ------------------------- */
header.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 20, 32, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--panel-border-soft);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-logo .bracket { color: var(--accent-cyan); }

.nav-links {
  display: flex;
  gap: 30px;
  list-style: none;
  margin: 0; padding: 0;
  font-family: var(--font-mono);
  font-size: 13px;
}
.nav-links a {
  color: var(--text-secondary);
  transition: color .15s ease;
  position: relative;
}
.nav-links a:hover { color: var(--accent-cyan); }

.nav-cta {
  font-family: var(--font-mono);
  font-size: 13px;
  border: 1px solid var(--panel-border);
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  transition: border-color .15s ease, color .15s ease, background .15s ease;
  white-space: nowrap;
}
.nav-cta:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(76,217,192,0.06);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--text-primary);
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-cta.desktop-only { display: none; }
  .nav-inner.open ~ .nav-mobile-panel { display: flex; }
}

.nav-mobile-panel {
  display: none;
  flex-direction: column;
  gap: 2px;
  padding: 8px 28px 20px;
  font-family: var(--font-mono);
  font-size: 14px;
  border-top: 1px solid var(--panel-border-soft);
}
.nav-mobile-panel a {
  color: var(--text-secondary);
  padding: 12px 0;
  border-bottom: 1px solid var(--panel-border-soft);
}
.nav-mobile-panel.show { display: flex; }

/* ------------------------- HERO ------------------------- */
.hero {
  padding-top: 84px;
  padding-bottom: 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
}

.hero h1 {
  font-size: clamp(38px, 5.6vw, 60px);
  line-height: 1.05;
  margin-bottom: 14px;
}

.hero .role {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  color: var(--accent-cyan);
  margin-bottom: 20px;
  font-weight: 500;
}

.hero .lede {
  color: var(--text-secondary);
  font-size: 17px;
  max-width: 52ch;
  margin-bottom: 32px;
}

.hero .meta-line {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 28px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.hero .meta-line span { display: inline-flex; align-items: center; gap: 6px; }

.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--font-mono);
  font-size: 13.5px;
  padding: 13px 22px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--accent-cyan);
  color: #04211C;
  font-weight: 600;
}
.btn-primary:hover { box-shadow: 0 0 0 3px rgba(76,217,192,0.18); transform: translateY(-1px); }

.btn-ghost {
  border-color: var(--panel-border);
  color: var(--text-primary);
}
.btn-ghost:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); }

/* Dashboard panel (signature element) */
.status-panel {
  background: linear-gradient(180deg, var(--panel-raised), var(--panel));
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.6);
}

.status-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--panel-border-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-tertiary);
}

.status-panel-head .traffic {
  display: flex; gap: 6px;
}
.status-panel-head .traffic span {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--panel-border);
}

.metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.metric-card {
  background: rgba(255,255,255,0.015);
  border: 1px solid var(--panel-border-soft);
  border-radius: var(--radius-sm);
  padding: 16px;
}

.metric-card .val {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: baseline;
  gap: 3px;
}
.metric-card .val .unit {
  font-size: 14px;
  color: var(--accent-amber);
  font-weight: 600;
}
.metric-card .label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-top: 6px;
}

.metric-card.accent .val { color: var(--accent-cyan); }

.status-panel-foot {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--panel-border-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-tertiary);
  display: flex;
  justify-content: space-between;
}
.status-panel-foot .ok { color: var(--accent-cyan); }

/* ------------------------- FOCUS / PILLARS ------------------------- */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
@media (max-width: 940px) { .pillar-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .pillar-grid { grid-template-columns: 1fr; } }

.pillar-card {
  background: var(--panel);
  border: 1px solid var(--panel-border-soft);
  border-radius: var(--radius);
  padding: 24px 20px;
  transition: border-color .18s ease, transform .18s ease;
}
.pillar-card:hover {
  border-color: var(--accent-cyan-dim);
  transform: translateY(-3px);
}
.pillar-card img { width: 30px; height: 30px; margin-bottom: 16px; opacity: 0.92; }
.pillar-card h3 { font-size: 16px; margin-bottom: 8px; }
.pillar-card p { color: var(--text-secondary); font-size: 13.5px; margin: 0; line-height: 1.55; }

/* ------------------------- EXPERIENCE (log timeline) ------------------------- */
.timeline {
  position: relative;
  border-left: 1px solid var(--panel-border);
  margin-left: 6px;
}

.log-entry {
  position: relative;
  padding: 0 0 56px 34px;
}
.log-entry:last-child { padding-bottom: 4px; }

.log-entry::before {
  content: '';
  position: absolute;
  left: -6px;
  top: 4px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent-cyan);
}

.log-entry .timestamp {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--accent-cyan);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}

.log-entry h3 {
  font-size: 20px;
  margin-bottom: 2px;
}

.log-entry .org {
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}
.log-entry .org-sub {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 16px;
}

.log-entry ul {
  margin: 0 0 16px;
  padding-left: 18px;
  color: var(--text-secondary);
  font-size: 14.5px;
}
.log-entry ul li { margin-bottom: 8px; line-height: 1.55; }
.log-entry ul li::marker { color: var(--accent-amber); }

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 5px 10px;
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  color: var(--text-tertiary);
}

/* ------------------------- SKILLS ------------------------- */
.skill-groups {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (max-width: 780px) { .skill-groups { grid-template-columns: 1fr; } }

.skill-group {
  background: var(--panel);
  border: 1px solid var(--panel-border-soft);
  border-radius: var(--radius);
  padding: 22px 22px 18px;
}

.skill-group .group-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-amber);
  margin-bottom: 16px;
}

.skill-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.skill-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--panel-border-soft);
  padding: 7px 11px;
  border-radius: var(--radius-sm);
}
.skill-chip img { width: 15px; height: 15px; }

/* ------------------------- CERTS + ACHIEVEMENTS ------------------------- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 780px) { .two-col { grid-template-columns: 1fr; } }

.card-block {
  background: var(--panel);
  border: 1px solid var(--panel-border-soft);
  border-radius: var(--radius);
  padding: 24px;
}
.card-block .card-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 18px;
}

.badge-item, .achieve-item {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--panel-border-soft);
}
.badge-item:first-of-type, .achieve-item:first-of-type { border-top: none; padding-top: 0; }

.badge-icon {
  width: 38px; height: 38px;
  border-radius: 8px;
  background: rgba(76,217,192,0.08);
  border: 1px solid var(--accent-cyan-dim);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-cyan);
}

.badge-item h4, .achieve-item h4 {
  font-size: 14.5px;
  margin-bottom: 4px;
}
.badge-item p, .achieve-item p {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}
.achieve-item .date {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
}

/* ------------------------- PROJECTS ------------------------- */
.project-card {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 28px;
  background: var(--panel);
  border: 1px solid var(--panel-border-soft);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .18s ease;
}
.project-card:hover { border-color: var(--accent-cyan-dim); }

@media (max-width: 720px) {
  .project-card { grid-template-columns: 1fr; }
}

.project-thumb {
  background: var(--bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  border-right: 1px solid var(--panel-border-soft);
}
@media (max-width: 720px) {
  .project-thumb { border-right: none; border-bottom: 1px solid var(--panel-border-soft); }
}
.project-thumb img { border-radius: 6px; }

.project-body {
  padding: 26px 26px 26px 0;
}
@media (max-width: 720px) {
  .project-body { padding: 22px; }
}

.project-body .ptag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-amber);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}
.project-body h3 { font-size: 20px; margin-bottom: 10px; }
.project-body p { color: var(--text-secondary); font-size: 14.5px; margin-bottom: 18px; max-width: 60ch; }

.project-links { display: flex; gap: 16px; font-family: var(--font-mono); font-size: 13px; }
.project-links a { color: var(--accent-cyan); display: inline-flex; align-items: center; gap: 6px; }
.project-links a:hover { text-decoration: underline; }

/* ------------------------- EDUCATION ------------------------- */
.edu-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 18px 0;
  border-top: 1px solid var(--panel-border-soft);
  flex-wrap: wrap;
  gap: 6px;
}
.edu-row:first-child { border-top: none; }
.edu-row h4 { font-size: 15.5px; }
.edu-row .school { color: var(--text-secondary); font-size: 13.5px; }
.edu-row .when { font-family: var(--font-mono); font-size: 12px; color: var(--text-tertiary); }

/* ------------------------- CONTACT / FOOTER ------------------------- */
.contact-panel {
  background: linear-gradient(180deg, var(--panel-raised), var(--panel));
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 52px 44px;
  text-align: center;
}
@media (max-width: 600px) { .contact-panel { padding: 40px 22px; } }

.contact-panel h2 { font-size: clamp(24px, 4vw, 32px); margin-bottom: 14px; }
.contact-panel p { color: var(--text-secondary); max-width: 46ch; margin: 0 auto 30px; }

.contact-links {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

footer {
  padding: 36px 0 50px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-tertiary);
}
footer .heart { color: var(--accent-amber); }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.in { opacity: 1; transform: translateY(0); }