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

@import url('https://fonts.googleapis.com/css2?family=Estedad:wght@100..900&family=Vazirmatn:wght@100..900&display=swap');

:root {
  /* --- Core palette --- */
  --bg-base: #050d1a;
  --bg-surface: #0a1628;
  --bg-card: #0d1e35;
  --bg-card-hover: #102240;
  --border: #1a3050;
  --border-glow: #1e4a7a;

  /* --- Accent --- */
  --accent: #3b9eff;
  --accent-dim: #1a5fa8;
  --accent-glow: rgba(59, 158, 255, .18);
  --accent2: #00d4ff;
  --accent2-glow: rgba(0, 212, 255, .12);

  /* --- Text --- */
  --txt-primary: #e8f0fe;
  --txt-secondary: #7a9cc4;
  --txt-muted: #3d5a7a;

  /* --- Tag --- */
  --tag-bg: rgba(59, 158, 255, .1);
  --tag-txt: #3b9eff;

  /* --- Transitions --- */
  --t-fast: .15s ease;
  --t-med: .3s ease;
  --t-slow: .5s cubic-bezier(.25, .46, .45, .94);

  /* --- Fonts --- */
  --font-main: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-fa: 'Vazirmatn', 'Vazir', Arial, sans-serif;
  --font-mono: 'Consolas', 'Courier New', monospace;

  /* --- Spacing --- */
  --max-w: 1200px;
  --section-pad: 100px 0;
  --nav-h: 68px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg-base);
  color: var(--txt-primary);
  font-family: var(--font-main);
  line-height: 1.7;
  overflow-x: hidden;
}

body.rtl {
  font-family: var(--font-fa);
  direction: rtl;
}

/* ---- Noise overlay ---- */
.noise {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.035'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  opacity: .4;
}

/* ============================================================
   NAV
   ============================================================ */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 1000;
  background: transparent;
  transition: background var(--t-med), box-shadow var(--t-med), backdrop-filter var(--t-med);
}

#navbar.scrolled {
  background: rgba(5, 13, 26, .88);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--border);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -.5px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
}

.nav-links a {
  color: var(--txt-secondary);
  text-decoration: none;
  font-size: .875rem;
  font-weight: 500;
  letter-spacing: .3px;
  padding: 6px 14px;
  border-radius: 6px;
  transition: color var(--t-fast), background var(--t-fast);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--txt-primary);
  background: var(--accent-glow);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-btn {
  background: var(--tag-bg);
  border: 1px solid var(--border-glow);
  color: var(--accent);
  font-size: .8rem;
  font-weight: 700;
  padding: 5px 13px;
  border-radius: 20px;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
  letter-spacing: .5px;
}

.lang-btn:hover {
  background: var(--accent);
  color: var(--bg-base);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--txt-secondary);
  border-radius: 2px;
  transition: transform var(--t-fast), opacity var(--t-fast);
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  padding: calc(var(--nav-h) + 60px) 24px 80px;
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 420px;
  align-items: center;
  gap: 60px;
  position: relative;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: -1;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .35;
  animation: orbFloat 8s ease-in-out infinite alternate;
}

.orb1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #1040a0 0%, transparent 70%);
  top: -100px;
  left: -100px;
}

.orb2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #00aaff 0%, transparent 70%);
  bottom: 0;
  right: 100px;
  animation-delay: -4s;
}

@keyframes orbFloat {
  from {
    transform: translate(0, 0) scale(1);
  }

  to {
    transform: translate(30px, -30px) scale(1.1);
  }
}

.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: .3;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 10%, transparent 70%);
}

.hero-content {
  z-index: 1;
}

.hero-greeting {
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  animation: fadeUp .6s .1s both;
}

.hero-name {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
  animation: fadeUp .6s .2s both;
}

.hero-role {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-family: var(--font-mono);
  color: var(--accent2);
  margin-bottom: 24px;
  animation: fadeUp .6s .3s both;
}

.cursor-blink {
  animation: blink .9s step-end infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.hero-desc {
  max-width: 480px;
  color: var(--txt-secondary);
  font-size: .95rem;
  margin-bottom: 36px;
  animation: fadeUp .6s .4s both;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
  animation: fadeUp .6s .5s both;
}

.hero-socials {
  display: flex;
  gap: 14px;
  animation: fadeUp .6s .6s both;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--txt-secondary);
  text-decoration: none;
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast), transform var(--t-fast);
}

.social-link svg {
  width: 16px;
  height: 16px;
}

.social-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-glow);
  transform: translateY(-3px);
}

/* avatar */
.hero-avatar {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  animation: fadeIn .8s .4s both;
}

.avatar-ring {
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  border: 2px solid var(--accent-dim);
  animation: spin 20s linear infinite;
  box-shadow: 5px 0px 10px 2px var(--accent-glow);
}

.avatar-ring::before {
  content: '';
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  border: 1.5px dashed var(--border-glow);
  /* box-shadow: 0.5px 1px 2px 0.5px var(--accent); */
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.avatar-photo {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--border-glow);
  background: var(--bg-card);
  box-shadow: 0 0 50px var(--accent-glow), inset 0 0 30px rgba(0, 0, 0, .4);
  z-index: 1;
}

.avatar-photo svg,
.avatar-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.status-badge {
  margin-top: 20px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: .8rem;
  color: var(--txt-secondary);
  box-shadow: 0 4px 20px rgba(0, 0, 0, .3);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22d66a;
  box-shadow: 0 0 8px #22d66a;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    box-shadow: 0 0 4px #22d66a;
  }

  50% {
    box-shadow: 0 0 14px #22d66a;
  }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
  box-shadow: 0 4px 24px rgba(59, 158, 255, .3);
}

.btn-primary:hover {
  background: #5aadff;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59, 158, 255, .45);
}

.btn-primary svg {
  width: 16px;
  height: 16px;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--txt-primary);
  padding: 12px 28px;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--border-glow);
  transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}

.btn-ghost:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 9px 20px;
  font-size: .82rem;
  margin-top: 16px;
}

/* ============================================================
   SECTIONS COMMON
   ============================================================ */
.section {
  padding: var(--section-pad);
  position: relative;
}

.section:nth-child(even) {
  background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-base) 100%);
}

.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section-tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--border-glow);
  background: var(--tag-bg);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 56px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  border-radius: 2px;
}

.rtl .section-title::after {
  left: auto;
  right: 0;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 64px;
  align-items: start;
}

.about-text p {
  color: var(--txt-secondary);
  margin-bottom: 20px;
  font-size: .95rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 36px;
}

.stat {
  text-align: center;
  padding: 20px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.stat:hover {
  border-color: var(--accent-dim);
  box-shadow: 0 0 20px var(--accent-glow);
}

.stat-num {
  display: block;
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--accent);
  font-family: var(--font-mono);
  line-height: 1;
}

.stat-label {
  display: block;
  font-size: .72rem;
  color: var(--txt-muted);
  letter-spacing: .5px;
  margin-top: 4px;
}

.about-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, .3);
}

.info-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.info-row:last-of-type {
  border-bottom: none;
}

.info-icon {
  font-size: 1.1rem;
  line-height: 1.4;
}

.info-label {
  display: block;
  font-size: .7rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--txt-muted);
  margin-bottom: 3px;
}

.info-val {
  font-size: .9rem;
  color: var(--txt-primary);
}

.available {
  color: #22d66a !important;
}

/* ============================================================
   SKILLS
   ============================================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  transition: border-color var(--t-fast);
}

.skill-category:hover {
  border-color: var(--border-glow);
}

.skill-category h3 {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
}

.skill-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.skill-item {
  display: grid;
  grid-template-columns: 26px 1fr 1fr;
  align-items: center;
  gap: 12px;
  font-size: .87rem;
  color: var(--txt-primary);
}

.skill-icon {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .55rem;
  font-weight: 900;
  color: var(--accent2);
  font-family: var(--font-mono);
}

/* Skill icon labels */
.python::before {
  content: 'PY';
}

.go::before {
  content: 'GO';
}

.js::before {
  content: 'JS';
}

.sql::before {
  content: 'SQL';
  font-size: .45rem;
}

.dj::before {
  content: 'DJ';
}

.drf::before {
  content: 'DRF';
}

.rest::before {
  content: 'REST';
}

.fast::before {
  content: 'FA';
}

.ex::before {
  content: 'EX';
}

.gin::before {
  content: 'GIN';
  font-size: .45rem;
}

.pg::before {
  content: 'PG';
}

.mg::before {
  content: 'MG';
}

.msql::before {
  content: 'MSQL';
}

.rd::before {
  content: 'RD';
}

.es::before {
  content: 'ES';
}

.dk::before {
  content: 'DK';
}

.k8::before {
  content: 'K8';
}

.ci::before {
  content: 'CI';
}

.linux::before {
  content: 'LX';
}

.rmq::before {
  content: 'MQ';
}

.skill-bar {
  height: 5px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent2));
  border-radius: 3px;
  transition: width 1.2s cubic-bezier(.25, .46, .45, .94) .2s;
}

.skill-fill.animated {
  width: var(--w);
}

/* ============================================================
   EXPERIENCE
   ============================================================ */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 16px;
  bottom: 16px;
  left: 15px;
  width: 1px;
  background: linear-gradient(180deg, var(--accent), var(--border) 80%);
}

.rtl .timeline::before {
  left: auto;
  right: 15px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 24px;
  margin-bottom: 36px;
}

.tl-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg-base);
  margin-top: 14px;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 12px var(--accent);
  align-self: start;
}

.tl-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px 28px;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.tl-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 4px 30px var(--accent-glow);
}

.tl-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.tl-header h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.tl-company {
  font-size: .82rem;
  color: var(--accent);
  font-weight: 600;
}

.tl-date {
  font-size: .75rem;
  color: var(--txt-muted);
  background: var(--tag-bg);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 20px;
  white-space: nowrap;
}

.tl-card p {
  font-size: .88rem;
  color: var(--txt-secondary);
  margin-bottom: 16px;
}

.tl-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tl-tags span {
  font-size: .72rem;
  background: var(--tag-bg);
  color: var(--tag-txt);
  border: 1px solid var(--accent-dim);
  padding: 3px 10px;
  border-radius: 20px;
  font-family: var(--font-mono);
}

/* ============================================================
   PROJECTS
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
}

.project-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .4);
}

.project-card.featured {
  grid-column: span 2;
  border-color: var(--accent-dim);
}

.project-glow {
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.project-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.project-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.project-links {
  display: flex;
  gap: 10px;
}

.project-links a {
  color: var(--txt-muted);
  transition: color var(--t-fast), transform var(--t-fast);
}

.project-links a svg {
  width: 17px;
  height: 17px;
}

.project-links a:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

.project-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.project-card p {
  font-size: .875rem;
  color: var(--txt-secondary);
  margin-bottom: 18px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-tags span {
  font-size: .7rem;
  background: var(--tag-bg);
  color: var(--tag-txt);
  border: 1px solid var(--accent-dim);
  padding: 3px 10px;
  border-radius: 20px;
  font-family: var(--font-mono);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-info > p {
  color: var(--txt-secondary);
  font-size: .95rem;
  margin-bottom: 36px;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.channel {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  transition: border-color var(--t-fast), box-shadow var(--t-fast), transform var(--t-fast);
}

.channel:hover {
  border-color: var(--accent-dim);
  box-shadow: 0 4px 20px var(--accent-glow);
  transform: translateX(4px);
}

.rtl .channel:hover {
  transform: translateX(-4px);
}

.channel-icon {
  font-size: 1.4rem;
}

.channel-label {
  display: block;
  font-size: .7rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--txt-muted);
}

.channel-val {
  font-size: .875rem;
  color: var(--txt-primary);
}

/* Form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--txt-muted);
}

.form-group input,
.form-group textarea {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 11px 14px;
  font-size: .88rem;
  color: var(--txt-primary);
  font-family: inherit;
  resize: vertical;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-dim);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--txt-muted);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}

.footer p {
  font-size: .8rem;
  color: var(--txt-muted);
}

.footer-copy {
  font-size: .75rem;
  color: var(--txt-muted);
  opacity: .6;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.reveal-delay-1 {
  transition-delay: .1s;
}

.reveal-delay-2 {
  transition-delay: .2s;
}

.reveal-delay-3 {
  transition-delay: .3s;
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-base);
}

::-webkit-scrollbar-thumb {
  background: var(--border-glow);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-dim);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .about-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: calc(var(--nav-h) + 40px);
  }

  .hero-content {
    order: 2;
  }

  .hero-avatar {
    order: 1;
  }

  .hero-desc {
    margin: 0 auto 36px;
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-socials {
    justify-content: center;
  }

  .avatar-ring,
  .avatar-photo {
    width: 220px;
    height: 220px;
  }

  .avatar-ring {
    width: 250px;
    height: 250px;
  }

  .status-badge {
    margin-top: 16px;
  }

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

  .about-info-card {
    max-width: 400px;
  }

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

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

  .project-card.featured {
    grid-column: span 1;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 720px) {
  :root {
    --section-pad: 70px 0;
  }

  .nav-links {
    position: relative;
    margin-top: 7.5rem;
    inset: var(--nav-h) 0 0 0;
    background: rgba(5, 13, 26, .97);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    z-index: 900;
    transform: translateY(-110%);
    transition: transform .35s ease;
    padding: 40px 0;
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .nav-links a {
    font-size: 1.1rem;
    padding: 12px 40px;
  }

  .hamburger {
    display: flex;
  }

  .hero-name {
    font-size: 2rem;
  }

  .about-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .timeline::before {
    left: 10px;
  }

  .rtl .timeline::before {
    left: auto;
    right: 10px;
  }

  .timeline-item {
    grid-template-columns: 24px 1fr;
    gap: 16px;
  }

  .tl-header {
    flex-direction: column;
    gap: 8px;
  }

  .contact-form {
    padding: 24px;
  }
}

@media (max-width: 480px) {

  .btn-primary,
  .btn-ghost {
    padding: 10px 20px;
    font-size: .83rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .about-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .skill-item {
    grid-template-columns: 22px 1fr 80px;
  }
}