/* ============================================================
   GLOBAL RESET & VARIABLES
   ============================================================ */
*, *::before, *::after {
  margin: 0; padding: 0;
  box-sizing: border-box;
}

:root {
  --clr-bg:       #060612;
  --clr-bg2:      #0b0b1e;
  --clr-bg3:      #10102a;
  --clr-glass:    rgba(255,255,255,0.04);
  --clr-glass-b:  rgba(255,255,255,0.08);
  --clr-border:   rgba(255,255,255,0.08);
  --clr-violet:   #7c3aed;
  --clr-blue:     #0ea5e9;
  --clr-pink:     #ec4899;
  --clr-green:    #10b981;
  --clr-amber:    #f59e0b;
  --clr-red:      #ef4444;
  --clr-text:     #e2e8f0;
  --clr-muted:    #94a3b8;
  --clr-dim:      #475569;
  --gradient-main: linear-gradient(135deg,#7c3aed,#0ea5e9);
  --gradient-glow: linear-gradient(135deg,rgba(124,58,237,.5),rgba(14,165,233,.5));
  --font-ar:      'Cairo', sans-serif;
  --font-en:      'Outfit', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
  --radius-sm:    8px;
  --radius-md:    16px;
  --radius-lg:    24px;
  --radius-xl:    32px;
  --shadow-glow:  0 0 40px rgba(124,58,237,.3);
  --shadow-card:  0 8px 32px rgba(0,0,0,.5);
  --trans:        all 0.4s cubic-bezier(0.4,0,0.2,1);
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-ar);
  background: var(--clr-bg);
  color: var(--clr-text);
  overflow-x: hidden;
  cursor: none;
}

body.en {
  font-family: var(--font-en);
  direction: ltr;
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb {
  background: var(--gradient-main);
  border-radius: 99px;
}

/* ============================================================
   PARTICLES CANVAS
   ============================================================ */
#particles-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: .5;
}

/* ============================================================
   CUSTOM CURSOR
   ============================================================ */
.cursor {
  position: fixed;
  width: 8px; height: 8px;
  background: var(--clr-violet);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%,-50%);
  transition: transform 0.1s, background 0.3s;
  mix-blend-mode: difference;
}
.cursor-follower {
  position: fixed;
  width: 36px; height: 36px;
  border: 1.5px solid rgba(124,58,237,.6);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%,-50%);
  transition: all 0.18s cubic-bezier(0.4,0,0.2,1);
}

/* ============================================================
   LANGUAGE TOGGLE
   ============================================================ */
.lang-toggle-wrap {
  position: fixed;
  top: 24px; left: 24px;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--clr-glass);
  border: 1px solid var(--clr-border);
  backdrop-filter: blur(16px);
  padding: 6px 16px;
  border-radius: 99px;
  font-family: var(--font-en);
}
.lang-btn {
  background: none;
  border: none;
  color: var(--clr-muted);
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--trans);
  padding: 2px 6px;
  border-radius: 6px;
  font-family: inherit;
}
.lang-btn.active {
  color: #fff;
  background: var(--gradient-main);
}
.lang-btn:hover:not(.active) { color: var(--clr-text); }
.lang-sep { color: var(--clr-dim); font-size: .8rem; }

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(.3) saturate(1.5);
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}
@keyframes heroZoom {
  from { transform: scale(1.05); }
  to   { transform: scale(1.12); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%,   rgba(124,58,237,.35) 0%, transparent 70%),
    radial-gradient(ellipse 50% 50% at 100% 100%, rgba(14,165,233,.2) 0%, transparent 70%),
    linear-gradient(180deg, rgba(6,6,18,.3) 0%, rgba(6,6,18,.95) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 120px 24px 80px;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16,185,129,.12);
  border: 1px solid rgba(16,185,129,.3);
  color: #10b981;
  font-size: .8rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 99px;
  letter-spacing: .05em;
  animation: pulse-border 2s ease infinite;
}
@keyframes pulse-border {
  0%,100% { box-shadow: 0 0 0 0 rgba(16,185,129,.3); }
  50%      { box-shadow: 0 0 0 8px rgba(16,185,129,0); }
}

/* ---- Avatar ---- */
.avatar-wrap {
  position: relative;
  width: 160px; height: 160px;
  margin: 10px 0;
}
.avatar-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background: var(--gradient-main);
  animation: spin 8s linear infinite;
  mask: radial-gradient(farthest-side,#0000 calc(100% - 3px),#000 calc(100% - 3px));
  -webkit-mask: radial-gradient(farthest-side,#0000 calc(100% - 3px),#000 calc(100% - 3px));
}
.avatar-ring.ring2 {
  inset: -14px;
  opacity: .4;
  animation-duration: 12s;
  animation-direction: reverse;
}
@keyframes spin { to { transform: rotate(360deg); } }

.avatar-img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,.1);
  position: relative; z-index: 1;
  filter: brightness(1.1) saturate(1.2);
}
.avatar-glow {
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,58,237,.4) 0%, transparent 70%);
  pointer-events: none;
  animation: glowPulse 3s ease-in-out infinite;
}
@keyframes glowPulse {
  0%,100% { opacity: .5; transform: scale(1); }
  50%      { opacity: 1;  transform: scale(1.1); }
}

/* ---- Name ---- */
.hero-name {
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 900;
  letter-spacing: .02em;
  line-height: 1.1;
}
.name-bracket {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: var(--font-mono);
  opacity: .7;
}
.cursor-blink {
  color: var(--clr-violet);
  animation: blink 1s step-end infinite;
  font-family: var(--font-mono);
  font-weight: 300;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* ---- Title ---- */
.hero-title {
  font-size: clamp(.9rem, 2.5vw, 1.25rem);
  color: var(--clr-muted);
  font-weight: 400;
  max-width: 600px;
  line-height: 1.7;
}

/* ---- Tags ---- */
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.tag {
  background: var(--clr-glass);
  border: 1px solid var(--clr-border);
  backdrop-filter: blur(8px);
  padding: 6px 16px;
  border-radius: 99px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--clr-text);
  transition: var(--trans);
}
.tag:hover {
  background: var(--gradient-glow);
  border-color: rgba(124,58,237,.5);
  transform: translateY(-2px);
}

/* ---- Since ---- */
.hero-since {
  font-size: .85rem;
  color: var(--clr-amber);
  font-weight: 600;
  font-family: var(--font-mono);
}

/* ---- CTA Buttons ---- */
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 8px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--gradient-main);
  color: #fff;
  text-decoration: none;
  border-radius: 99px;
  font-weight: 700;
  font-size: .95rem;
  border: none;
  cursor: pointer;
  transition: var(--trans);
  position: relative;
  overflow: hidden;
  font-family: inherit;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,rgba(255,255,255,.2),transparent);
  opacity: 0;
  transition: var(--trans);
}
.btn-primary:hover::before { opacity: 1; }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(124,58,237,.5); }
.btn-primary:active { transform: translateY(-1px); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 14px 32px;
  background: transparent;
  color: var(--clr-text);
  text-decoration: none;
  border-radius: 99px;
  font-weight: 700;
  font-size: .95rem;
  border: 1.5px solid var(--clr-border);
  cursor: pointer;
  transition: var(--trans);
}
.btn-secondary:hover {
  background: var(--clr-glass);
  border-color: rgba(124,58,237,.5);
  transform: translateY(-3px);
}

.btn-full { width: 100%; justify-content: center; }

/* ---- Scroll Indicator ---- */
.scroll-indicator {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--clr-dim);
  font-size: .75rem;
  animation: float 3s ease-in-out infinite;
}
.scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, var(--clr-violet), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { height: 0; opacity: 1; }
  100% { height: 50px; opacity: 0; }
}
@keyframes float {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(-8px); }
}

/* ============================================================
   SECTIONS COMMON
   ============================================================ */
.section {
  position: relative;
  z-index: 1;
  padding: 100px 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-label {
  font-family: var(--font-mono);
  font-size: .85rem;
  color: var(--clr-violet);
  letter-spacing: .1em;
  display: block;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 900;
  background: linear-gradient(135deg, #fff 30%, var(--clr-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), transform 0.7s cubic-bezier(0.4,0,0.2,1);
  transition-delay: var(--delay, 0s);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about-section { background: var(--clr-bg2); }

.about-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 32px;
  align-items: start;
}

.about-card {
  background: var(--clr-glass);
  border: 1px solid var(--clr-border);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  overflow: hidden;
  transition: var(--trans);
}
.about-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-main);
}
.about-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-glow); }

.about-quote {
  font-size: 6rem;
  color: rgba(124,58,237,.15);
  font-family: Georgia, serif;
  position: absolute;
  top: -10px; right: 20px;
  line-height: 1;
  pointer-events: none;
}
body.en .about-quote { right: auto; left: 20px; }

.about-text {
  font-size: 1.05rem;
  line-height: 2;
  color: var(--clr-muted);
  position: relative;
  z-index: 1;
}

.about-cert {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 28px;
  padding: 16px 20px;
  background: rgba(124,58,237,.1);
  border: 1px solid rgba(124,58,237,.3);
  border-radius: var(--radius-md);
}
.cert-icon { font-size: 1.8rem; }
.cert-info { display: flex; flex-direction: column; gap: 2px; }
.cert-label { font-size: .8rem; color: var(--clr-muted); }
.cert-name { font-weight: 700; color: var(--clr-violet); font-family: var(--font-mono); font-size: .9rem; }

/* ---- Stats ---- */
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.stat-card {
  background: var(--clr-glass);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: var(--trans);
  transition-delay: var(--delay, 0s);
  cursor: default;
}
.stat-card:hover {
  background: rgba(124,58,237,.1);
  border-color: rgba(124,58,237,.4);
  transform: translateY(-4px);
}

.stat-num {
  font-size: 2.6rem;
  font-weight: 900;
  font-family: var(--font-mono);
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}
.stat-plus {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--clr-violet);
  display: inline-block;
  vertical-align: top;
  margin-top: 6px;
}
.stat-label {
  font-size: .8rem;
  color: var(--clr-muted);
  margin-top: 6px;
  font-weight: 600;
}
/* ============================================================
   PROJECTS SECTION
   ============================================================ */
.projects-section { background: var(--clr-bg2); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.project-card {
  background: var(--clr-glass);
  border: 1px solid var(--clr-border);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: var(--trans);
  transition-delay: var(--delay, 0s);
  position: relative;
  overflow: hidden;
  cursor: default;
}
.project-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent, var(--clr-violet));
  transform: scaleX(0);
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
  transform-origin: right;
}
body.en .project-card::before { transform-origin: left; }
.project-card:hover::before { transform: scaleX(1); }
.project-card:hover {
  transform: translateY(-8px);
  border-color: color-mix(in srgb, var(--accent, var(--clr-violet)) 40%, transparent);
  box-shadow: 0 24px 60px rgba(0,0,0,.6);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}
.project-num {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(255,255,255,.06);
  line-height: 1;
}
.project-icon { font-size: 2.2rem; }

.project-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--clr-text);
}

.project-desc {
  font-size: .88rem;
  color: var(--clr-muted);
  line-height: 1.9;
  margin-bottom: 20px;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}
.project-tech span {
  font-size: .72rem;
  font-family: var(--font-mono);
  background: color-mix(in srgb, var(--accent, var(--clr-violet)) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent, var(--clr-violet)) 25%, transparent);
  color: var(--accent, var(--clr-violet));
  padding: 4px 12px;
  border-radius: 99px;
}

.project-highlight {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  color: var(--clr-muted);
}
.highlight-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent, var(--clr-violet));
  animation: pulse-border 1.5s ease infinite;
  flex-shrink: 0;
}

/* ============================================================
   TIMELINE SECTION
   ============================================================ */
.timeline-section { background: var(--clr-bg3); }

.timeline {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 40px;
}
.timeline::before {
  content: '';
  position: absolute;
  right: 50%;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--clr-violet), var(--clr-blue), transparent);
  transform: translateX(50%);
}
body.en .timeline::before { right: auto; left: 50%; }

.timeline-item {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  padding-right: 50px;
  padding-bottom: 48px;
  position: relative;
  text-align: right;
}
body.en .timeline-item {
  align-items: flex-start;
  padding-right: 0;
  padding-left: 50px;
  text-align: left;
}

.timeline-dot {
  position: absolute;
  right: -8px;
  top: 4px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--clr-bg);
  border: 3px solid var(--clr-violet);
  z-index: 2;
  transition: var(--trans);
}
body.en .timeline-dot { right: auto; left: -8px; }
.timeline-dot.active {
  background: var(--clr-violet);
  box-shadow: 0 0 20px rgba(124,58,237,.7);
}
.timeline-item:hover .timeline-dot { transform: scale(1.3); background: var(--clr-violet); }

.timeline-content {
  background: var(--clr-glass);
  border: 1px solid var(--clr-border);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  max-width: 420px;
  transition: var(--trans);
}
.active-card {
  border-color: rgba(124,58,237,.5);
  background: rgba(124,58,237,.08);
}
.timeline-item:hover .timeline-content { transform: translateX(-4px); }
body.en .timeline-item:hover .timeline-content { transform: translateX(4px); }

.timeline-year {
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 700;
  color: var(--clr-violet);
  display: block;
  margin-bottom: 6px;
}
.now-badge {
  color: var(--clr-green);
  font-size: .85rem;
}

.timeline-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--clr-text);
}

.timeline-content p {
  font-size: .85rem;
  color: var(--clr-muted);
  line-height: 1.8;
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact-section { background: var(--clr-bg); }

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

.contact-card {
  background: var(--clr-glass);
  border: 1px solid var(--clr-border);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-main);
}

.contact-intro {
  font-size: 1.1rem;
  line-height: 1.9;
  color: var(--clr-muted);
  margin-bottom: 32px;
}

.contact-methods { display: flex; flex-direction: column; gap: 12px; }

.contact-method {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--clr-text);
  transition: var(--trans);
}
.contact-method:hover {
  background: rgba(124,58,237,.1);
  border-color: rgba(124,58,237,.4);
  transform: translateX(-4px);
}
body.en .contact-method:hover { transform: translateX(4px); }

.method-icon { font-size: 1.4rem; }
.method-info { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.method-label { font-size: .75rem; color: var(--clr-muted); font-weight: 600; }
.method-value {
  font-size: .9rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--clr-text);
}
.method-arrow {
  color: var(--clr-violet);
  font-size: 1.2rem;
  transition: var(--trans);
}
.contact-method:hover .method-arrow { transform: translateX(-4px); }
body.en .contact-method:hover .method-arrow { transform: translateX(4px); }

.contact-availability {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  font-size: .85rem;
  color: var(--clr-green);
  font-weight: 600;
}
.avail-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--clr-green);
  animation: pulse-border 2s ease infinite;
}

/* ---- Contact Form ---- */
.contact-form-card {
  background: var(--clr-glass);
  border: 1px solid var(--clr-border);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.contact-form { display: flex; flex-direction: column; gap: 20px; }

.form-group {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group label {
  font-size: .82rem;
  font-weight: 700;
  color: var(--clr-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.form-group input,
.form-group textarea {
  background: rgba(255,255,255,.04);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: var(--clr-text);
  font-family: inherit;
  font-size: .95rem;
  outline: none;
  transition: var(--trans);
  resize: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--clr-violet);
  background: rgba(124,58,237,.06);
  box-shadow: 0 0 0 3px rgba(124,58,237,.15);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--clr-dim);
}

.form-success {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: rgba(16,185,129,.1);
  border: 1px solid rgba(16,185,129,.3);
  border-radius: var(--radius-md);
  color: var(--clr-green);
  font-weight: 600;
  font-size: .9rem;
  animation: slideIn .4s ease;
}
@keyframes slideIn {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--clr-bg2);
  border-top: 1px solid var(--clr-border);
  padding: 48px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.footer-glow {
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 400px; height: 2px;
  background: var(--gradient-main);
  filter: blur(8px);
}
.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.footer-logo {
  font-size: 1.4rem;
  font-weight: 900;
  font-family: var(--font-mono);
}
.footer-copy {
  font-size: .85rem;
  color: var(--clr-dim);
}
.footer-tech {
  display: flex;
  gap: 10px;
}
.footer-tech span {
  font-size: .72rem;
  font-family: var(--font-mono);
  background: var(--clr-glass);
  border: 1px solid var(--clr-border);
  padding: 4px 12px;
  border-radius: 99px;
  color: var(--clr-muted);
}

/* ============================================================
   NAV DOTS
   ============================================================ */
.nav-dots {
  position: fixed;
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.nav-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--clr-dim);
  border: 2px solid transparent;
  transition: var(--trans);
  display: block;
}
.nav-dot:hover,
.nav-dot.active {
  background: var(--clr-violet);
  border-color: rgba(124,58,237,.4);
  box-shadow: 0 0 12px rgba(124,58,237,.5);
  transform: scale(1.4);
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-top {
  position: fixed;
  bottom: 32px; left: 32px;
  z-index: 100;
  width: 44px; height: 44px;
  background: var(--gradient-main);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--trans);
  opacity: 0;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}
.back-top.show { opacity: 1; pointer-events: all; }
.back-top:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(124,58,237,.5); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .about-grid   { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-stats  { grid-template-columns: repeat(4,1fr); }
}
@media (max-width: 600px) {
  .nav-dots     { display: none; }
  .hero-content { padding: 100px 16px 60px; }
  .section      { padding: 70px 0; }
  .about-stats  { grid-template-columns: repeat(2,1fr); }
  .timeline     { padding: 0 20px; }
  .about-card, .contact-card, .contact-form-card { padding: 24px; }
  .lang-toggle-wrap { top: 16px; left: 16px; }
}