/* ============================================================
   AMMAR QAZI PORTFOLIO — Concept C: Hacker Minimal
   Syne (display) · IBM Plex Mono (labels) · IBM Plex Sans (body)
   Single electric-blue accent · Deep navy · Hairline borders
   ============================================================ */

/* ===== Custom Properties ===== */
:root {
  --bg:        #070b14;
  --bg-2:      #0d1117;
  --bg-3:      #161b22;
  --border:    #1c2333;
  --border-2:  #30363d;
  --accent:    #00d4ff;
  --accent-d:  rgba(0, 212, 255, 0.08);
  --accent-m:  rgba(0, 212, 255, 0.18);
  --accent-g:  rgba(0, 212, 255, 0.28);
  --text:      #e6edf3;
  --text-2:    #8b949e;
  --text-3:    #484f58;

  --font-display: 'Syne', sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;
  --font-body:    'IBM Plex Sans', sans-serif;

  --radius:    4px;
  --radius-lg: 6px;
  --transition: 0.18s ease;
  --max-width:  1100px;
  --nav-height: 60px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  /* Subtle dot-grid */
  background-image: radial-gradient(var(--border) 1px, transparent 1px);
  background-size: 28px 28px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ===== Container ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

/* ===== Sections ===== */
.section { padding: 96px 0; }

.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-label::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--accent);
  flex-shrink: 0;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-2);
  max-width: 520px;
  line-height: 1.75;
  font-weight: 300;
}

/* ===== Nav ===== */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 100;
  transition: background var(--transition), border-bottom var(--transition);
}

nav.scrolled {
  background: rgba(7, 11, 20, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  text-decoration: none;
}

.nav-logo::after {
  content: '.';
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-2);
  transition: color var(--transition);
}

.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--accent); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 1px;
  background: var(--text-2);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 640px) {
  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: rgba(7, 11, 20, 0.97);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    padding: 8px 0;
  }

  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 12px 28px; font-size: 12px; }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 11px 22px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  font-weight: 500;
}

.btn-primary:hover {
  box-shadow: 0 0 24px var(--accent-g);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border-2);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

/* ===== Hero ===== */
#home {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

/* Electric glow top-right */
#home::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,212,255,0.06) 0%, transparent 65%);
  pointer-events: none;
}

.hero-content {
  padding-top: var(--nav-height);
  max-width: 760px;
}

/* Label above title (replaces old hero-badge) */
.hero-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-badge::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--accent);
}

/* The pulsing dot becomes a thin line; keep element to avoid HTML breakage */
.hero-dot { display: none; }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6.5vw, 76px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
  color: var(--text);
}

.hero-title .accent {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--accent);
}

.hero-tagline {
  font-size: clamp(15px, 1.8vw, 18px);
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 520px;
  font-weight: 300;
}

/* Stat bar */
.hero-stats {
  display: flex;
  gap: 40px;
  padding: 28px 0;
  margin-top: 8px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  line-height: 1;
}

.stat-num .unit { color: var(--accent); font-size: 1.2rem; }

.stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-top: 4px;
}

.stat-publist {
  border-left: 1px solid var(--border);
  padding-left: 32px;
  margin-left: 8px;
}

.stat-brands {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-2);
  letter-spacing: 0.04em;
  margin-top: 6px;
  line-height: 1.6;
}

/* ===== About ===== */
#about .about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  margin-top: 48px;
}

.about-bio {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.85;
  font-weight: 300;
}

.about-bio p + p { margin-top: 16px; }

.clients-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 14px;
}

.clients-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  border-radius: var(--radius);
  padding: 5px 11px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.04em;
  transition: border-color var(--transition), color var(--transition);
}

.chip:hover {
  border-color: var(--border-2);
  color: var(--text);
}

@media (max-width: 768px) {
  #about .about-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* ===== Services ===== */
#services .services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.service-card {
  padding: 36px;
  position: relative;
  transition: background var(--transition);
  background: var(--bg-2);
}

.service-card:hover { background: var(--bg-3); }

.service-card:nth-child(2),
.service-card:nth-child(4) { border-left: 1px solid var(--border); }

.service-card:nth-child(3),
.service-card:nth-child(4) { border-top: 1px solid var(--border); }

.service-icon {
  width: 36px;
  height: 36px;
  margin-bottom: 18px;
  color: var(--accent);
  opacity: 0.8;
}

.service-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.service-desc {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  font-weight: 300;
}

@media (max-width: 640px) {
  #services .services-grid { grid-template-columns: 1fr; }
  .service-card:nth-child(2), .service-card:nth-child(4) { border-left: none; }
  .service-card:nth-child(2), .service-card:nth-child(3), .service-card:nth-child(4) { border-top: 1px solid var(--border); }
}

/* ===== Portfolio Teaser (homepage) ===== */
#portfolio .section-subtitle { max-width: 560px; }

/* ===== Testimonials ===== */
#testimonials .testimonials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 48px;
}

.testimonial-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color var(--transition);
}

.testimonial-card:hover { border-color: var(--border-2); }

.testimonial-quote-mark {
  font-family: var(--font-display);
  font-size: 56px;
  line-height: 0.9;
  color: var(--accent);
  margin-bottom: 18px;
  display: block;
  opacity: 0.7;
}

.testimonial-text {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 24px;
  font-weight: 300;
}

.testimonial-author { display: flex; align-items: center; gap: 12px; }

.author-avatar {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-2);
  border-radius: 50%;
  flex-shrink: 0;
  overflow: hidden;
}

.author-avatar img { width: 100%; height: 100%; object-fit: cover; }

.author-name {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.author-company {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 0.06em;
  margin-top: 2px;
}

@media (max-width: 640px) {
  #testimonials .testimonials-grid { grid-template-columns: 1fr; }
}

/* ===== Contact ===== */
#contact { text-align: center; }
#contact .section-label { justify-content: center; }
#contact .section-label::before { display: none; }
#contact .section-subtitle { margin: 0 auto 36px; }

.contact-btns {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-3);
}

.footer-socials { display: flex; gap: 16px; }

.footer-socials a {
  color: var(--text-3);
  transition: color var(--transition);
  display: flex;
}

.footer-socials a:hover { color: var(--accent); }

/* ===== Portfolio Page ===== */
.portfolio-hero {
  padding: 130px 0 52px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}

.portfolio-hero .section-label { justify-content: center; }
.portfolio-hero .section-label::before { display: none; }

.portfolio-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 52px);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 10px;
  color: var(--text);
}

.portfolio-hero p {
  font-size: 15px;
  color: var(--text-2);
  max-width: 480px;
  margin: 0 auto 36px;
  font-weight: 300;
  line-height: 1.7;
}

/* Filter bar */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  padding-bottom: 4px;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-3);
  border-radius: var(--radius);
  padding: 5px 13px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover {
  border-color: var(--border-2);
  color: var(--text-2);
}

.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
  font-weight: 500;
}

/* Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  padding-bottom: 0;
}

@media (max-width: 900px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 500px) {
  .portfolio-grid { grid-template-columns: 1fr; }
}

/* Cards */
.portfolio-card {
  background: var(--bg-2);
  overflow: hidden;
  transition: background var(--transition);
  display: flex;
  flex-direction: column;
}

.portfolio-card:hover { background: var(--bg-3); }

.card-thumb {
  height: 136px;
  display: flex;
  align-items: flex-end;
  padding: 12px;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}

.card-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.portfolio-card:hover .card-thumb img { opacity: 0.85; }

.card-body {
  padding: 18px 20px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-category {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 7px;
  opacity: 0.8;
}

.card-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 6px;
  color: var(--text);
  letter-spacing: -0.01em;
  flex: 1;
}

.card-client {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  margin-bottom: 14px;
  letter-spacing: 0.04em;
}

.card-link {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  transition: color var(--transition);
  width: fit-content;
}

.card-link:hover { color: var(--accent); }

/* Hidden / no-results */
.hidden { display: none; }

.no-results {
  text-align: center;
  padding: 64px 0;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  display: none;
  grid-column: 1 / -1;
  background: var(--bg-2);
}

/* Portfolio page wrapper — flush grid below hero */
.portfolio-grid-wrap {
  background: var(--border);
  border-top: none;
}

/* Result count */
#result-count {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 16px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}