/* ═══════════════════════════════════════════════════════════════════
   Charisios Vatalis — Mechanical & Industrial Design Engineer Portfolio
   Electric Blue Theme · Bright Engineering Navy · 2026
   ═══════════════════════════════════════════════════════════════════ */

/* ── CUSTOM PROPERTIES ────────────────────────────────────────────── */
:root {
  /* Background */
  --bg:          #11243c;
  --surface:     #1a3252;
  --surface-2:   #234067;
  --surface-3:   #2d4f7e;
  --border:      rgba(0, 182, 255, 0.24);
  --border-hover:rgba(0, 182, 255, 0.5);

  /* Brand — Electric Blue + Cyan */
  --accent:      #00b6ff;
  --accent-2:    #0084ff;
  --accent-dim:  rgba(0,182,255,0.14);
  --accent-soft: rgba(0,182,255,0.12);
  --gradient:    linear-gradient(135deg, #00b6ff 0%, #0084ff 50%, #0055ff 100%);
  --gradient-bg: linear-gradient(135deg, rgba(0,182,255,0.14) 0%, rgba(0,132,255,0.08) 100%);
  --glow:        0 0 44px rgba(0,182,255,0.35);
  --glow-strong: 0 0 64px rgba(0,182,255,0.55);

  /* Text */
  --text:        #eef5fd;
  --text-muted:  #a9c0d8;
  --text-dim:    #7189a6;

  /* Typography */
  --font:        'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:   'JetBrains Mono', 'SF Mono', monospace;

  /* Layout */
  --container:   1240px;
  --radius:      14px;
  --radius-sm:   8px;
  --radius-xs:   5px;

  /* Shadows */
  --shadow-sm:   0 2px 8px rgba(0,0,0,0.35);
  --shadow:      0 8px 32px rgba(0,0,0,0.45);
  --shadow-lg:   0 24px 64px rgba(0,0,0,0.55);

  /* Transitions */
  --ease:        cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out:    cubic-bezier(0, 0, 0.2, 1);
  --dur:         0.3s;
}

/* ── RESET ────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: var(--font); border: none; background: none; }
input, select, textarea { font-family: var(--font); }
ul { list-style: none; }
::selection { background: rgba(0,182,255,0.3); color: var(--accent); }

/* ── UTILITY ──────────────────────────────────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  color: #6ee8ff;
  -webkit-text-fill-color: #6ee8ff;
}

.accent { color: var(--accent); }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-family: var(--font-mono);
  margin-bottom: 16px;
}
.section-label::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--gradient);
}

.section-title {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.025em;
  margin-bottom: 18px;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.75;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-header .section-sub { margin: 0 auto; }

/* ── BUTTONS ──────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: all var(--dur) var(--ease);
  white-space: nowrap;
}
.btn--primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(0,182,255,0.3);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,182,255,0.45);
}
.btn--ghost {
  background: rgba(255,255,255,0.05);
  color: var(--text);
  border: 1px solid var(--border-hover);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}
.btn--outline {
  border: 1px solid var(--border-hover);
  color: var(--text);
  background: transparent;
}
.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}
/* Freelancer CTA button — πιο έντονο */
.btn--freelancer {
  background: linear-gradient(135deg, #0072ff 0%, #00a2ff 60%, #00b6ff 100%);
  background-size: 150% 100%;
  color: #fff;
  font-weight: 700;
  border: 1px solid rgba(255,255,255,0.18);
  padding: 14px 30px;
  box-shadow: 0 6px 24px rgba(13,146,244,0.45), 0 0 0 1px rgba(0,182,255,0.15);
  transition: all var(--dur) var(--ease);
}
.btn--freelancer:hover {
  background-position: 100% 0;
  transform: translateY(-2px);
  box-shadow: 0 10px 34px rgba(13,146,244,0.55), 0 0 24px rgba(0,182,255,0.3);
}
.btn--freelancer svg { transition: transform var(--dur) var(--ease); }
.btn--freelancer:hover svg { transform: translate(2px, -2px); }
.btn--full { width: 100%; justify-content: center; }

/* ── REVEAL ANIMATIONS ────────────────────────────────────────────── */
.reveal {
  opacity: 1;
  transform: translateY(14px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }
.reveal--delay-5 { transition-delay: 0.5s; }
.reveal.visible  { opacity: 1; transform: translateY(0); }

/* ═══════════════════════════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.4s var(--ease);
}
.nav.scrolled {
  background: rgba(13, 29, 50, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
}
.nav__logo-mark {
  width: 34px;
  height: 34px;
  background: var(--gradient);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.8rem;
  color: #fff;
  font-family: var(--font-mono);
  flex-shrink: 0;
  letter-spacing: 0;
}
.nav__logo-text { font-size: 0.95rem; }
.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav__link {
  padding: 8px 14px;
  border-radius: var(--radius-xs);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--dur) var(--ease);
}
.nav__link:hover, .nav__link.active {
  color: var(--text);
  background: rgba(255,255,255,0.05);
}
.nav__link--cta {
  background: var(--gradient);
  color: #fff !important;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(0,182,255,0.3);
}
.nav__link--cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(0,182,255,0.45);
}
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--dur) var(--ease);
}
.nav__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══════════════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

/* Hero background image — Backround WEB Dark (βλ. SITE_MASTER_REFERENCE.md) */
.hero__bg-image {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image: url('../img/bg-hero.jpg?v=3');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.5;
  filter: saturate(1.1) brightness(0.95);
}
.hero__bg-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(9,18,44,0.55), rgba(9,18,44,0.35) 45%, var(--bg) 100%);
  pointer-events: none;
}
@media (prefers-reduced-motion: reduce) {
  .hero__bg-image,
  .hero__bg-image::after { animation: none; }
}

/* Technical grid background */
.hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,182,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,182,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 100% 80% at 50% 40%, black 20%, transparent 80%);
}

/* Blueprint cross-hairs at intersections */
.hero__grid-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(0,182,255,0.18) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 10%, transparent 70%);
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}
.hero__orb--1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,182,255,0.12) 0%, transparent 70%);
  top: -10%; right: 5%;
  animation: floatOrb 10s ease-in-out infinite;
}
.hero__orb--2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,132,255,0.08) 0%, transparent 70%);
  bottom: 5%; left: -5%;
  animation: floatOrb 13s ease-in-out infinite reverse 2s;
}
@keyframes floatOrb {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-25px); }
}

/* Blueprint wireframe (decorative engineering drawing) */
.hero__blueprint {
  position: absolute;
  top: 50%;
  right: 2%;
  transform: translateY(-50%);
  width: min(42vw, 560px);
  height: auto;
  z-index: 0;
  color: var(--accent);
  opacity: 0.13;
  pointer-events: none;
  user-select: none;
  -webkit-mask-image: radial-gradient(ellipse 72% 72% at 60% 50%, #000 35%, transparent 100%);
  mask-image: radial-gradient(ellipse 72% 72% at 60% 50%, #000 35%, transparent 100%);
}
.hero__blueprint text {
  font-family: var(--font-mono);
  font-size: 12px;
  fill: currentColor;
  opacity: 0.9;
}
.hero__blueprint .dim-num {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

@media (max-width: 1100px) {
  .hero__blueprint { width: 360px; right: 4%; opacity: 0.1; }
}
@media (max-width: 640px) {
  .hero__blueprint { display: none; }
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(0,182,255,0.14);
  border: 1px solid rgba(0,182,255,0.4);
  border-radius: 4px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #8ff0ff;
  font-family: var(--font-mono);
  margin-bottom: 28px;
}
.hero__badge-dot {
  width: 6px; height: 6px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(34,197,94,0.2);
  animation: pulse-green 2s ease-in-out infinite;
}
@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); }
}

.hero__name {
  font-size: clamp(3.5rem, 8vw, 6rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
  color: #ffffff;
  text-shadow: 0 2px 14px rgba(0,0,0,0.55);
}

.hero__title-line {
  font-size: 1.15rem;
  font-weight: 600;
  color: #f2f9ff;
  font-family: var(--font-mono);
  margin-bottom: 24px;
}
.hero__mono {
  color: #54d9ff;
  opacity: 1;
  font-weight: 700;
}

.hero__sub {
  font-size: 1.12rem;
  color: #ffffff;
  max-width: 520px;
  line-height: 1.75;
  margin-bottom: 36px;
  text-shadow: 0 1px 10px rgba(0,0,0,0.6);
  font-weight: 500;
}

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

/* Stats panel */
.hero__stats {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  min-width: 220px;
  box-shadow: var(--shadow);
}
.hero__stat {
  padding: 24px 28px;
  position: relative;
  transition: background var(--dur) var(--ease);
}
.hero__stat:hover { background: var(--surface-2); }
.hero__stat-num {
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  display: inline-block;
}
.hero__stat-icon {
  font-size: 1.4rem;
  font-weight: 900;
  color: #54d9ff;
}
.hero__stat-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #ffffff;
  margin-top: 4px;
}
.hero__stat-sub {
  display: block;
  font-size: 0.76rem;
  font-weight: 500;
  color: #e2f3ff;
  font-family: var(--font-mono);
  margin-top: 2px;
}
.hero__stat-divider {
  height: 1px;
  background: var(--border);
  margin: 0;
}

.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
}
.hero__scroll-indicator {
  width: 24px; height: 38px;
  border: 2px solid var(--border-hover);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.hero__scroll-indicator span {
  width: 3px; height: 8px;
  background: var(--accent);
  border-radius: 2px;
  animation: scroll-dot 2s ease-in-out infinite;
}
@keyframes scroll-dot {
  0%, 100% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(10px); opacity: 0; }
}

/* ═══════════════════════════════════════════════════════════════════
   MARQUEE
   ═══════════════════════════════════════════════════════════════════ */
.marquee-strip {
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  padding: 16px 0;
}
.marquee-track {
  display: flex;
  gap: 28px;
  width: max-content;
  animation: marquee 30s linear infinite;
  white-space: nowrap;
}
.marquee-track span {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.marquee-track .sep { color: var(--accent); opacity: 0.4; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ═══════════════════════════════════════════════════════════════════
   SERVICES
   ═══════════════════════════════════════════════════════════════════ */
.services { padding: 100px 0; }

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: all var(--dur) var(--ease);
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-bg);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}
.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow), var(--glow);
}
.service-card:hover::before { opacity: 1; }

.service-card--featured {
  border-color: rgba(0,182,255,0.2);
}
.service-card--featured::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient);
}

.service-card__badge {
  position: absolute;
  top: 16px; right: 16px;
  padding: 3px 10px;
  background: var(--gradient);
  border-radius: 4px;
  font-size: 0.68rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.service-card__num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}

.service-card__icon {
  width: 44px; height: 44px;
  background: var(--accent-soft);
  border: 1px solid rgba(0,182,255,0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
  transition: all var(--dur) var(--ease);
}
.service-card:hover .service-card__icon {
  background: rgba(0,182,255,0.15);
  box-shadow: 0 0 20px rgba(0,182,255,0.25);
}

.service-card h3 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.service-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  position: relative;
  z-index: 1;
}
.service-card__tags span {
  font-size: 0.7rem;
  font-weight: 600;
  font-family: var(--font-mono);
  padding: 3px 8px;
  background: var(--accent-soft);
  border: 1px solid rgba(0,182,255,0.12);
  border-radius: 3px;
  color: var(--accent);
  letter-spacing: 0.03em;
}

/* ═══════════════════════════════════════════════════════════════════
   PORTFOLIO
   ═══════════════════════════════════════════════════════════════════ */
.portfolio {
  padding: 100px 0;
  background: transparent;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.project-card { border-radius: var(--radius); overflow: hidden; }
.project-card--wide { grid-column: span 2; }

/* ── PROJECT CARD VISUAL ─────────────────────────────────────────── */
.project-card__visual {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.4s var(--ease);
  cursor: default;
}
.project-card__visual:hover {
  border-color: rgba(0,182,255,0.25);
  box-shadow: var(--shadow), var(--glow);
}

/* Scene containers */
.pv__scene {
  height: 280px;
  position: relative;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.pv__scene--sm { height: 200px; }

/* Real project photo scene */
.pv__scene--photo { padding: 0; }
.pv__scene--photo .pv__photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  transform: scale(1.001);
  transition: transform 0.7s var(--ease);
}
.pv__scene--photo:hover .pv__photo { transform: scale(1.05); }
.pv__scene--photo .pv__blueprint-lines {
  z-index: 1;
  opacity: 0.5;
  mix-blend-mode: screen;
}
.pv__scene--photo .pv__label-top { z-index: 2; opacity: 0.9; }
/* Hide the abstract CSS graphics & annotations when a real photo is present */
.pv__scene--photo .pv__center-graphic,
.pv__scene--photo .pv__mold-graphic,
.pv__scene--photo .pv__helmet-graphic,
.pv__scene--photo .pv__gear-graphic,
.pv__scene--photo .pv__multi-products,
.pv__scene--photo .pv__kiosk-graphic,
.pv__scene--photo .pv__render-graphic,
.pv__scene--photo .pv__annotations { display: none; }
/* Keep the top label readable over the image */
.pv__scene--photo .pv__label-top { text-shadow: 0 1px 6px rgba(0,0,0,0.8); }

/* Blueprint grid overlay */
.pv__blueprint-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,182,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,182,255,0.06) 1px, transparent 1px);
  background-size: 32px 32px;
}

.pv__label-top {
  position: absolute;
  top: 14px; left: 16px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--accent);
  opacity: 0.5;
  letter-spacing: 0.1em;
}

/* ── CSS 3D BOX (Boiler) ─────────────────────────────────────────── */
.pv__box-3d {
  width: 100px;
  height: 120px;
  position: relative;
  transform: rotateX(15deg) rotateY(-25deg);
  transform-style: preserve-3d;
  animation: spin3d 12s linear infinite;
}
.pv__scene:hover .pv__box-3d { animation-play-state: paused; }
@keyframes spin3d {
  from { transform: rotateX(15deg) rotateY(-25deg); }
  to   { transform: rotateX(15deg) rotateY(335deg); }
}
.pv__box-face {
  position: absolute;
  border: 1px solid rgba(0,182,255,0.3);
  background: rgba(0,182,255,0.04);
}
.pv__box-face--front {
  width: 100px; height: 120px;
  background: linear-gradient(135deg, rgba(0,182,255,0.08), rgba(0,132,255,0.04));
}
.pv__box-face--top {
  width: 100px; height: 40px;
  transform: rotateX(90deg);
  transform-origin: top;
  background: rgba(0,182,255,0.1);
  top: 0;
}
.pv__box-face--side {
  width: 40px; height: 120px;
  transform: rotateY(-90deg);
  transform-origin: right;
  background: rgba(0,132,255,0.06);
  right: 0;
}
.pv__detail {
  position: absolute;
  border: 1px solid rgba(0,182,255,0.25);
  background: rgba(0,182,255,0.06);
  z-index: 1;
}
.pv__detail--1 { width: 30px; height: 20px; left: 10px; top: 10px; }
.pv__detail--2 { width: 60px; height: 12px; left: 10px; top: 50px; background: rgba(0,182,255,0.1); }
.pv__detail--3 { width: 20px; height: 30px; left: 40px; bottom: 10px; }

/* Annotation lines */
.pv__annotations {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.pv__ann {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--accent);
  opacity: 0.6;
  padding: 2px 6px;
  border-left: 1px solid rgba(0,182,255,0.3);
}
.pv__ann--1 { top: 25%; left: 5%; }
.pv__ann--2 { top: 50%; right: 5%; border-left: none; border-right: 1px solid rgba(0,182,255,0.3); text-align: right; }
.pv__ann--3 { bottom: 25%; left: 5%; }

/* ── MOLD GRAPHIC ────────────────────────────────────────────────── */
.pv__mold-graphic {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transform: rotateX(10deg);
}
.pv__mold {
  border: 1px solid rgba(0,182,255,0.3);
  border-radius: 4px;
}
.pv__mold--top {
  width: 100px; height: 40px;
  background: linear-gradient(to bottom, rgba(0,182,255,0.15), rgba(0,182,255,0.05));
}
.pv__mold--bottom {
  width: 100px; height: 50px;
  background: linear-gradient(to top, rgba(0,132,255,0.15), rgba(0,132,255,0.04));
}
.pv__mold--core {
  width: 60px; height: 30px;
  background: rgba(0,182,255,0.2);
  border: 1px solid rgba(0,182,255,0.5);
  margin-top: 4px;
  border-radius: 3px;
}

/* ── HELMET + MOUNT GRAPHIC ──────────────────────────────────────── */
.pv__helmet-graphic {
  position: relative;
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pv__helmet {
  width: 90px; height: 80px;
  border: 2px solid rgba(0,182,255,0.4);
  border-radius: 50% 50% 30% 30%;
  background: rgba(0,182,255,0.04);
}
.pv__mount {
  position: absolute;
  top: 4px;
  width: 28px; height: 18px;
  background: rgba(0,182,255,0.2);
  border: 1px solid rgba(0,182,255,0.5);
  border-radius: 3px;
}
.pv__camera {
  position: absolute;
  top: 0px;
  width: 18px; height: 14px;
  background: rgba(0,132,255,0.3);
  border: 1px solid rgba(0,182,255,0.6);
  border-radius: 2px;
}

/* ── GEAR GRAPHIC ────────────────────────────────────────────────── */
.pv__gear-graphic {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pv__gear {
  border-radius: 50%;
  border: 3px solid rgba(0,182,255,0.4);
  position: absolute;
  animation: spin-gear 4s linear infinite;
}
.pv__gear--large {
  width: 80px; height: 80px;
  background: radial-gradient(circle, rgba(0,182,255,0.08), transparent 70%);
  left: 20px;
}
.pv__gear--small {
  width: 48px; height: 48px;
  background: radial-gradient(circle, rgba(0,132,255,0.1), transparent 70%);
  right: 20px;
  animation-direction: reverse;
  animation-duration: 2.5s;
}
.pv__gear-housing {
  width: 120px; height: 70px;
  border: 1px solid rgba(0,182,255,0.2);
  border-radius: 8px;
  background: rgba(0,182,255,0.03);
}
@keyframes spin-gear {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ── MULTI PRODUCTS ──────────────────────────────────────────────── */
.pv__multi-products {
  display: flex;
  gap: 16px;
  align-items: flex-end;
}
.pv__mp {
  border: 1px solid rgba(0,182,255,0.3);
  background: rgba(0,182,255,0.04);
  border-radius: 4px;
}
.pv__mp--1 { width: 60px; height: 100px; }
.pv__mp--2 { width: 90px; height: 130px; background: rgba(0,182,255,0.06); }
.pv__mp--3 { width: 70px; height: 80px; }

/* ── KIOSK GRAPHIC ───────────────────────────────────────────────── */
.pv__kiosk-graphic {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.pv__kiosk {
  width: 60px; height: 90px;
  border: 1px solid rgba(0,182,255,0.35);
  border-radius: 6px 6px 0 0;
  background: rgba(0,182,255,0.05);
}
.pv__kiosk-screen {
  position: absolute;
  top: 10px;
  width: 42px; height: 50px;
  background: rgba(0,182,255,0.12);
  border: 1px solid rgba(0,182,255,0.3);
  border-radius: 2px;
}

/* ── RENDER GRAPHIC ──────────────────────────────────────────────── */
.pv__render-graphic {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pv__render-box {
  width: 80px; height: 80px;
  border: 1px solid rgba(0,182,255,0.4);
  background: linear-gradient(135deg, rgba(0,182,255,0.12), rgba(0,132,255,0.04));
  border-radius: 8px;
  box-shadow: 0 0 30px rgba(0,182,255,0.15), inset 0 0 20px rgba(0,182,255,0.05);
}
.pv__render-light {
  position: absolute;
  width: 40px; height: 4px;
  background: linear-gradient(90deg, transparent, rgba(0,182,255,0.6), transparent);
  top: 20px; right: 10px;
  border-radius: 2px;
}
.pv__render-shadow {
  position: absolute;
  width: 80px; height: 10px;
  background: radial-gradient(ellipse, rgba(0,0,0,0.5), transparent);
  bottom: 15px;
  filter: blur(4px);
}

/* ── PROJECT INFO ────────────────────────────────────────────────── */
.project-card__info {
  padding: 24px 28px;
  background: var(--bg);
}
.project-card__cat {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  opacity: 0.8;
  display: block;
  margin-bottom: 8px;
}
.project-card__info h3 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
  line-height: 1.3;
}
.project-card__info p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}
.project-card__metrics {
  display: flex;
  gap: 20px;
}
.project-card__metrics div { display: flex; flex-direction: column; }
.project-card__metrics strong {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
}
.project-card__metrics span {
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Color themes per project */
.pv--1 { --pv-accent: rgba(0,182,255,0.12); }
.pv--2 { --pv-accent: rgba(99,102,241,0.12); }
.pv--2 .pv__scene { background: linear-gradient(135deg, #1a3252, #1c1930); }
.pv--2 .pv__blueprint-lines { background-image: linear-gradient(rgba(99,102,241,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(99,102,241,0.06) 1px, transparent 1px); background-size: 32px 32px; }
.pv--3 .pv__scene { background: linear-gradient(135deg, #1a3252, #182b2a); }
.pv--4 .pv__scene { background: linear-gradient(135deg, #1a3252, #1d2c1a); }
.pv--4 .pv__blueprint-lines { background-image: linear-gradient(rgba(34,197,94,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(34,197,94,0.06) 1px, transparent 1px); background-size: 32px 32px; }
.pv--4 .pv__gear { border-color: rgba(34,197,94,0.4); }
.pv--5 .pv__scene { background: linear-gradient(135deg, #1a3252, #30221a); }
.pv--6 .pv__scene { background: linear-gradient(135deg, #1a3252, #302b1a); }
.pv--7 .pv__scene { background: linear-gradient(135deg, #141c29, #1a3252); }

/* Freelancer CTA */
.portfolio__freelancer-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 36px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.pf-cta__rating {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.pf-cta__stars {
  color: #f5a623;
  font-size: 0.9rem;
  letter-spacing: 2px;
}
.pf-cta__rating strong { color: var(--text); }
.pf-cta__content p {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-style: italic;
  max-width: 600px;
}

/* ═══════════════════════════════════════════════════════════════════
   SKILLS
   ═══════════════════════════════════════════════════════════════════ */
.skills { padding: 100px 0; }

.skills__layout {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px;
}

.skills__group-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  font-family: var(--font-mono);
  margin-bottom: 24px;
}

.skill-bar { margin-bottom: 16px; }
.skill-bar__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 0.875rem;
  font-weight: 500;
}
.skill-bar__level {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  color: var(--accent);
  letter-spacing: 0.05em;
}
.skill-bar__track {
  height: 4px;
  background: var(--surface-3);
  border-radius: 2px;
  overflow: hidden;
}
.skill-bar__fill {
  height: 100%;
  background: var(--gradient);
  border-radius: 2px;
  width: 0;
  transition: width 1.2s var(--ease-out);
}

.skill-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.skill-badge {
  font-size: 0.78rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-xs);
  border: 1px solid;
  font-family: var(--font-mono);
  transition: all var(--dur) var(--ease);
  cursor: default;
}
.skill-badge--primary {
  border-color: rgba(0,182,255,0.2);
  color: var(--accent);
  background: var(--accent-soft);
}
.skill-badge--primary:hover {
  background: rgba(0,182,255,0.15);
  border-color: rgba(0,182,255,0.4);
}
.skill-badge--secondary {
  border-color: var(--border);
  color: var(--text-muted);
  background: var(--surface);
}
.skill-badge--secondary:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

/* ═══════════════════════════════════════════════════════════════════
   EXPERIENCE / TIMELINE
   ═══════════════════════════════════════════════════════════════════ */
.experience {
  padding: 100px 0;
  background: transparent;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.timeline { display: flex; flex-direction: column; gap: 0; }

.timeline-item {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 0 24px;
}

.timeline-item__marker {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.timeline-item__dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--gradient);
  flex-shrink: 0;
  box-shadow: 0 0 0 3px rgba(0,182,255,0.15), var(--glow);
  margin-top: 4px;
  position: relative;
  z-index: 1;
}
.timeline-item__line {
  width: 2px;
  flex: 1;
  background: linear-gradient(to bottom, var(--border-hover), var(--border));
  margin-top: 8px;
  margin-bottom: 0;
}
.timeline-item:last-child .timeline-item__line { display: none; }

.timeline-item__content {
  padding-bottom: 40px;
}
.timeline-item__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
  gap: 16px;
}
.timeline-item__period {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 6px;
}
.timeline-item__role {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}
.timeline-item__company {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.timeline-item__company strong { font-size: 0.875rem; color: var(--text); }
.timeline-item__industry {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.timeline-item__duration {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-dim);
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  white-space: nowrap;
  flex-shrink: 0;
}
.timeline-item__content > p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 16px;
}
.timeline-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.timeline-item__tags span {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  padding: 3px 8px;
  background: var(--accent-soft);
  border: 1px solid rgba(0,182,255,0.1);
  border-radius: 3px;
  color: var(--accent);
}

/* Education */
.education {
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}
.education__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  font-family: var(--font-mono);
  margin-bottom: 24px;
}
.education__title svg { color: var(--accent); opacity: 0.6; }
.education__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.edu-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  transition: all var(--dur) var(--ease);
}
.edu-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}
.edu-card__year {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent);
  display: block;
  margin-bottom: 8px;
  letter-spacing: 0.06em;
}
.edu-card h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.3;
}
.edu-card__detail {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ═══════════════════════════════════════════════════════════════════
   TESTIMONIALS
   ═══════════════════════════════════════════════════════════════════ */
.testimonials { padding: 100px 0; }

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.testi {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
}
.testi:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow), var(--glow);
}
.testi__stars {
  color: #f5a623;
  font-size: 0.85rem;
  letter-spacing: 3px;
  margin-bottom: 18px;
}
.testi p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
  font-style: italic;
  margin-bottom: 24px;
}
.testi__author { display: flex; align-items: center; gap: 14px; }
.testi__avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  color: #fff;
  flex-shrink: 0;
  background: linear-gradient(135deg, #00b6ff, #0055ff);
}
.testi__avatar--b { background: linear-gradient(135deg, #6366f1, #4f46e5); }
.testi__avatar--c { background: linear-gradient(135deg, #22c55e, #16a34a); }
.testi__author strong { display: block; font-size: 0.875rem; font-weight: 700; }
.testi__author span { display: block; font-size: 0.75rem; color: var(--text-muted); font-family: var(--font-mono); margin-top: 2px; }

/* CTA κάτω από τα reviews */
.testimonials__cta {
  text-align: center;
  margin-top: 44px;
}

/* ═══════════════════════════════════════════════════════════════════
   CONTACT
   ═══════════════════════════════════════════════════════════════════ */
.contact {
  padding: 100px 0;
  background: transparent;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 80px;
  align-items: start;
}

.contact__info .section-title { font-size: 2.2rem; }
.contact__info p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 40px;
}

.contact__channels { display: flex; flex-direction: column; gap: 14px; }

.contact__channel {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all var(--dur) var(--ease);
}
.contact__channel:hover {
  border-color: var(--border-hover);
  background: var(--surface-2);
  transform: translateX(4px);
  box-shadow: var(--glow);
}
.contact__channel-icon {
  width: 38px; height: 38px;
  background: var(--accent-soft);
  border: 1px solid rgba(0,182,255,0.15);
  border-radius: var(--radius-xs);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}
.contact__channel span {
  display: block;
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
  margin-bottom: 2px;
}
.contact__channel strong { font-size: 0.875rem; font-weight: 600; }

/* Download links (PDF portfolio / CV) */
.contact__downloads {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 18px;
}
.dl-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg);
  border: 1px solid rgba(0,182,255,0.2);
  border-radius: var(--radius-sm);
  color: var(--accent);
  transition: all var(--dur) var(--ease);
}
.dl-link:hover {
  border-color: var(--accent);
  background: var(--surface-2);
  transform: translateY(-2px);
  box-shadow: var(--glow);
}
.dl-link svg { flex-shrink: 0; }
.dl-link span { display: flex; flex-direction: column; line-height: 1.25; }
.dl-link strong { font-size: 0.85rem; color: var(--text); font-weight: 600; }
.dl-link span span, .dl-link small { font-size: 0.68rem; color: var(--text-dim); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.06em; }

/* Form */
.contact__form {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-size: 0.9rem;
  color: var(--text);
  outline: none;
  transition: all var(--dur) var(--ease);
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,182,255,0.12);
  background: var(--surface-2);
}
.form-group input.error,
.form-group textarea.error {
  border-color: #f87171;
  box-shadow: 0 0 0 3px rgba(248,113,113,0.12);
}
.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23687a8c' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}
.form-group textarea { resize: vertical; min-height: 130px; }

.form__note {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.form__success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 60px 36px;
  text-align: center;
  background: var(--bg);
  border: 1px solid rgba(0,182,255,0.25);
  border-radius: var(--radius);
  color: var(--accent);
}
.form__success h3 { font-size: 1.3rem; font-weight: 700; color: var(--text); }
.form__success p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }

/* ═══════════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════════ */
.footer {
  border-top: 1px solid var(--border);
  padding: 64px 0 0;
}
.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer__brand p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 280px;
  margin: 16px 0 20px;
}
.footer__rating {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.footer__stars { color: #f5a623; letter-spacing: 2px; }
.footer__links { display: flex; flex-direction: column; gap: 4px; }
.footer__links h4 {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  font-family: var(--font-mono);
  margin-bottom: 12px;
}
.footer__links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding: 4px 0;
  transition: color var(--dur) var(--ease);
}
.footer__links a:hover { color: var(--accent); }
.footer__bottom {
  border-top: 1px solid var(--border);
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-dim);
}
.footer__mono { font-family: var(--font-mono); }

/* ═══════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__stats { flex-direction: row; min-width: unset; max-width: 600px; }
  .hero__stat-divider { width: 1px; height: auto; }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio__grid { grid-template-columns: repeat(2, 1fr); }
  .project-card--wide { grid-column: span 2; }
  .skills__layout { grid-template-columns: 1fr 1fr; }
  .skills__technical { grid-column: span 2; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: span 2; }
}

@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .nav__links {
    position: fixed;
    inset: 0;
    background: rgba(13,29,50,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 12px;
    z-index: 999;
    transform: translateX(100%);
    transition: transform 0.4s var(--ease);
  }
  .nav__links.open { transform: translateX(0); }
  .nav__link { font-size: 1.1rem; padding: 12px 24px; }
  .nav__burger { display: flex; z-index: 1000; position: relative; }

  .hero { padding: 100px 0 60px; }
  .hero__name { font-size: 3rem; }
  .hero__stats { flex-direction: column; }
  .hero__stat-divider { width: auto; height: 1px; }
  .hero__actions { flex-direction: column; }
  .btn { justify-content: center; }

  .services__grid { grid-template-columns: 1fr; }
  .portfolio__grid { grid-template-columns: 1fr; }
  .project-card--wide { grid-column: span 1; }
  .skills__layout { grid-template-columns: 1fr; }
  .skills__technical { grid-column: span 1; }
  .education__grid { grid-template-columns: 1fr; }
  .testimonials__grid { grid-template-columns: 1fr; }
  .contact__inner { grid-template-columns: 1fr; gap: 48px; }
  .contact__form { padding: 24px; }
  .form-row { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .footer__brand { grid-column: span 1; }
  .footer__bottom { flex-direction: column; gap: 6px; text-align: center; }
  .portfolio__freelancer-cta { flex-direction: column; align-items: flex-start; }
  .timeline-item { grid-template-columns: 40px 1fr; }

  .contact__downloads { grid-template-columns: 1fr; }
}

@media (max-width: 400px) {
  .contact__downloads { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════════════════
   DELIVERED PROJECTS — screenshot showcase
   ═══════════════════════════════════════════════════════════════════ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
@media (max-width: 768px) {
  .projects-grid { grid-template-columns: 1fr; }
}

.pcard {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.4s var(--ease);
}
.pcard:hover {
  border-color: rgba(0, 182, 255, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow), var(--glow);
}
.pcard--wide { grid-column: span 2; }
@media (max-width: 1100px) {
  .pcard--wide { grid-column: span 2; }
}
@media (max-width: 768px) {
  .pcard--wide { grid-column: span 1; }
}

.pcard__media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 7;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background: #0d1b2e;
  cursor: zoom-in;
}
.pcard__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.6s var(--ease), opacity 0.35s var(--ease);
}
.pcard:hover .pcard__media img { transform: scale(1.03); }
.pcard__media--pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}
.pcard__media--pair img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* Portfolio lightbox — hover an image to maximise it in the centre */
.media-lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4vh 4vw;
  background:
    radial-gradient(circle at 50% 42%, rgba(17, 34, 58, 0.6), rgba(9, 18, 34, 0.9) 70%),
    rgba(9, 18, 34, 0.78);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s var(--ease), visibility 0.3s;
}
.media-lightbox.is-open { opacity: 1; visibility: visible; }
.media-lightbox__img {
  max-width: 92vw;
  max-height: 90vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 182, 255, 0.28);
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.68);
  transform: scale(0.94);
  transition: transform 0.35s var(--ease);
}
.media-lightbox.is-open .media-lightbox__img { transform: scale(1); }

.pcard__info {
  padding: 26px 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.pcard__index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.12em;
  border: 1px solid rgba(0, 182, 255, 0.25);
  background: var(--accent-soft);
  border-radius: 4px;
  padding: 3px 9px;
  width: max-content;
}
.pcard__info h3 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.3;
}
.pcard__info p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.pcard__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}
.pcard__tags span {
  font-size: 0.7rem;
  font-weight: 600;
  font-family: var(--font-mono);
  padding: 3px 9px;
  background: var(--accent-soft);
  border: 1px solid rgba(0, 182, 255, 0.18);
  border-radius: 3px;
  color: var(--accent);
}