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

:root {
  --bg-body: #000000;
  --bg-card: #000000;
  --text-primary: #f2f2f2;
  --text-secondary: #c7c7c7;
  --text-muted: #8a8a8a;
  --accent: #dc2626;
  --accent-light: #ef4444;
  --accent-dark: #7f0000;
  --border: #241414;
  --border-strong: rgba(220, 38, 38, 0.38);
  --header-bg: rgba(9, 9, 9, 0.82);
  --badge-bg: #1a1313;
  --input-bg: #131010;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --t-fast: 0.2s var(--ease);
  --t-base: 0.35s var(--ease);
  --t-slow: 0.7s var(--ease);
  --lift-sm: -3px;
  --lift-md: -6px;
  --radius-sm: 0.85rem;
  --radius-md: 1.25rem;
  --radius-lg: 1.75rem;
  --radius-pill: 999px;
  --container-w: 1200px;
  --section-pad: clamp(3.25rem, 7vw, 5.5rem);
  --container-pad: clamp(1.1rem, 4.5vw, 1.5rem);
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  margin: 0;
}

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

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 1.5rem);
  width: 100%;
}

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

/* ============================================================
   PRELOADER
============================================================ */
#preloader {
  position: fixed;
  inset: 0;
  background: var(--bg-body);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity var(--t-slow), visibility var(--t-slow);
  padding: 0 1.5rem;
  cursor: pointer;
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-content {
  text-align: center;
  position: relative;
}

.preloader-content h1 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(1.6rem, 6vw, 3rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  opacity: 0;
  transform: translateY(24px);
  animation: introFadeUp 0.9s var(--ease) forwards 0.2s;
}

.preloader-content .subtitle {
  font-family: 'Inter', sans-serif;
  font-size: clamp(0.85rem, 3vw, 1.05rem);
  font-weight: 400;
  color: var(--text-secondary);
  margin-top: 0.7rem;
  opacity: 0;
  transform: translateY(16px);
  animation: introFadeUp 0.9s var(--ease) forwards 0.55s;
}

.preloader-line {
  margin: 1.8rem auto 0;
  width: min(180px, 50vw);
  height: 2px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  opacity: 0;
  animation: introFadeUp 0.9s var(--ease) forwards 0.85s;
}

.preloader-line .fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  border-radius: 2px;
  animation: lineFill 1.6s var(--ease) forwards 1.05s;
}

.preloader-click-hint {
  margin-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  opacity: 0;
  animation: introFadeUp 0.9s var(--ease) forwards 1.2s;
}

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

@keyframes lineFill {
  to {
    width: 100%;
  }
}

/* ============================================================
   HEADER
============================================================ */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  opacity: 0;
  transform: translateY(-16px);
  transition: opacity var(--t-slow), transform var(--t-slow);
}

header.visible {
  opacity: 1;
  transform: translateY(0);
}

.nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 0;
}

.logo a {
  font-size: 1.5rem;
  font-weight: 800;
  font-family: 'Plus Jakarta Sans', sans-serif;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 1.9rem;
  list-style: none;
  align-items: center;
}

.nav-link {
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  color: white;
  transition: opacity var(--t-fast);
  position: relative;
  padding-bottom: 0.3rem;
  opacity: 0.65;
}

.nav-link.active {
  opacity: 1;
  color: var(--accent);
}

.nav-link.active::after {
  transform: scaleX(1);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  border-radius: 3px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-fast);
}

.nav-link:hover {
  opacity: 1;
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
  margin: -0.5rem;
  background: none;
  border: none;
  -webkit-tap-highlight-color: transparent;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 3px;
  transition: transform var(--t-fast), opacity var(--t-fast);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.nav-links-mobile {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  list-style: none;
  transition: grid-template-rows var(--t-base);
}

.nav-links-mobile > .mobile-inner {
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0;
}

.nav-links-mobile.open {
  grid-template-rows: 1fr;
  border-top: 1px solid var(--border);
}

.nav-links-mobile.open > .mobile-inner {
  padding: 0.85rem 0 1.1rem;
}

.nav-links-mobile .nav-link {
  font-size: 1rem;
  padding: 0.55rem 0.1rem;
  color: var(--text-secondary);
  opacity: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-links-mobile .nav-link.active {
  color: var(--accent);
}

.nav-links-mobile .nav-link::after {
  display: none;
}

/* ============================================================
   SECTIONS
============================================================ */
.section {
  padding: var(--section-pad) 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.section-title {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
  position: relative;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.section-title:after {
  content: '';
  display: block;
  width: 56px;
  height: 3px;
  background: var(--accent);
  margin: 0.75rem auto 0;
  border-radius: 4px;
}

/* ============================================================
   HERO
============================================================ */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  text-align: left;
  background: var(--bg-body);
  position: relative;
  overflow: hidden;
  padding: 0;
}

.hero .container {
  padding-left: 40px;
  margin-left: 0;
  margin-right: auto;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(220, 38, 38, 0.10) 1px, transparent 1px);
  background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 30% 40%, black 0%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 30% 40%, black 0%, transparent 75%);
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 25% 35%, rgba(220, 38, 38, 0.07) 0%, transparent 65%);
  animation: pulseGlow 9s ease-in-out infinite alternate;
}

@keyframes pulseGlow {
  0% {
    opacity: 0.5;
  }
  100% {
    opacity: 1;
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  width: 100%;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--badge-bg);
  color: var(--accent);
  padding: 0.45rem 1.3rem;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  border: 1px solid var(--border-strong);
  letter-spacing: 0.3px;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--t-slow), transform var(--t-slow);
}

.hero-tag.visible {
  opacity: 1;
  transform: translateY(0);
}

.hero-tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-light);
  flex: none;
}

.hero-content h1 {
  font-size: clamp(1.8rem, 5vw, 3.5rem);
  font-weight: 800;
  font-family: 'Plus Jakarta Sans', sans-serif;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--t-slow), transform var(--t-slow);
}

.hero-content h1.visible {
  opacity: 1;
  transform: translateY(0);
}

.hero-content h1 .highlight {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

.hero-role {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 0.7rem;
  margin-bottom: 0.9rem;
  min-height: 1.6rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(0.85rem, 2.4vw, 1.05rem);
  color: var(--accent-light);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--t-slow), transform var(--t-slow);
}

.hero-role.visible {
  opacity: 1;
  transform: translateY(0);
}

.hero-role .role-prompt {
  color: var(--text-muted);
  user-select: none;
}

.hero-role .role-text {
  white-space: nowrap;
  overflow: hidden;
}

.hero-role .role-cursor {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  background: var(--accent-light);
  animation: blink 1s step-end infinite;
  flex: none;
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

.hero-content p {
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  font-weight: 400;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--t-slow), transform var(--t-slow);
}

.hero-content p.visible {
  opacity: 1;
  transform: translateY(0);
}

.btn-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--t-slow), transform var(--t-slow);
}

.btn-group.visible {
  opacity: 1;
  transform: translateY(0);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.8rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  transition: transform var(--t-base), background var(--t-base), color var(--t-base), border-color var(--t-base);
  text-decoration: none;
  font-size: 0.92rem;
  letter-spacing: 0.2px;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(var(--lift-sm));
}

.btn-outline {
  border-color: var(--accent);
  color: var(--accent);
  background: transparent;
}

.btn-outline:hover {
  background: rgba(220, 38, 38, 0.1);
  color: var(--accent-light);
  transform: translateY(var(--lift-sm));
  border-color: var(--accent-light);
}

/* ============================================================
   HERO RIGHT (FLOATING ELEMENTS)
============================================================ */
.hero-right {
  position: absolute;
  right: 2%;
  top: 50%;
  transform: translateY(-50%);
  width: 42%;
  max-width: 460px;
  height: 66%;
  z-index: 0;
  pointer-events: auto;
  opacity: 0;
  transition: 5s ease;
}

.hero-right.visible {
  opacity: 1;
}

.floating-element {
  position: absolute;
  border-radius: 22px;
  background: rgba(220, 38, 38, 0.06);
  border: 1px solid rgba(220, 38, 38, 0.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: float 6s ease-in-out infinite;
  transition: background 4s ease, border-color 4s ease, transform 4s ease;
}

.hero-right:hover .floating-element {
  border-color: rgba(220, 38, 38, 0.35);
}

.floating-element:nth-child(1) {
  width: 170px;
  height: 170px;
  top: 6%;
  right: 16%;
  animation-delay: 0s;
  background: radial-gradient(circle at 30% 30%, rgba(220, 38, 38, 0.1), transparent 70%);
}

.hero-right:hover .floating-element:nth-child(1) {
  background: radial-gradient(circle at 30% 30%, rgba(220, 38, 38, 0.22), transparent 70%);
  transform: scale(1.06);
}

.floating-element:nth-child(2) {
  width: 110px;
  height: 110px;
  bottom: 16%;
  right: 4%;
  animation-delay: -3.5s;
  background: radial-gradient(circle at 70% 70%, rgba(220, 38, 38, 0.08), transparent 65%);
}

.hero-right:hover .floating-element:nth-child(2) {
  background: radial-gradient(circle at 70% 70%, rgba(220, 38, 38, 0.2), transparent 65%);
  transform: scale(1.08);
}

.floating-element:nth-child(3) {
  width: 230px;
  height: 230px;
  bottom: 26%;
  right: 22%;
  animation-delay: -6s;
  background: radial-gradient(circle at 50% 50%, rgba(220, 38, 38, 0.06), transparent 70%);
  border-radius: 50%;
}

.hero-right:hover .floating-element:nth-child(3) {
  background: radial-gradient(circle at 50% 50%, rgba(220, 38, 38, 0.16), transparent 70%);
  transform: scale(1.05);
}

.code-snippet {
  position: absolute;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
  opacity: 0.28;
  letter-spacing: 0.3px;
  line-height: 1.8;
  animation: float 13s ease-in-out infinite;
  transition: opacity 0.6s var(--ease), color 0.6s var(--ease);
}

.code-snippet:nth-child(4) {
  top: 16%;
  right: 12%;
  animation-delay: -2s;
}
.code-snippet:nth-child(5) {
  bottom: 22%;
  right: 38%;
  animation-delay: -5s;
}

.hero-right:hover .code-snippet {
  opacity: 0.65;
  color: white;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-12px) rotate(1.5deg);
  }
}

.glow-orb {
  position: absolute;
  width: 280px;
  height: 280px;
  top: 12%;
  right: 8%;
  border-radius: 50%;
  background: var(--accent);
  filter: blur(80px);
  opacity: 0.1;
  animation: orbPulse 10s ease-in-out infinite alternate;
  transition: opacity 0.6s var(--ease), filter 0.6s var(--ease);
}

.hero-right:hover .glow-orb {
  opacity: 0.25;
  filter: blur(60px);
}

@keyframes orbPulse {
  0% {
    transform: scale(1);
    opacity: 0.08;
  }
  100% {
    transform: scale(1.15);
    opacity: 0.14;
  }
}

.mouse-glow {
  position: absolute;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(220, 38, 38, 0.05), transparent 70%);
  pointer-events: none;
  transition: transform 0.3s ease-out;
  transform: translate(-50%, -50%);
  z-index: 0;
}

/* ============================================================
   ABOUT
============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 3rem);
  align-items: center;
}

.about-image-card {
  border: 1px;
  border-radius: var(--radius-lg);
  padding: 0;
  text-align: center;
  cursor: default;
  max-width: 380px;
  margin: 0 auto;
  transition: 0.8s ease;
  position: relative;
}

.about-image-card img {
  width: 100%;
  height: auto;
  border-radius: 1.2rem;
  display: block;
}

.about-image-card:hover {
  transform: translateY(var(--lift-sm)) scale(1.015);
}

.about-heading {
  font-size: clamp(1.4rem, 3.4vw, 1.8rem);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
}

.about-role {
  color: var(--accent);
  font-weight: 600;
  display: inline-block;
  margin: 0.5rem 0 1rem;
  font-size: 0.95rem;
  letter-spacing: 0.2px;
}

.about-text {
  margin-top: 0.5rem;
  color: var(--text-secondary);
  font-size: clamp(0.88rem, 1.8vw, 1rem);
}

.about-text + .about-text {
  margin-top: 0.9rem;
}

/* ============================================================
   SKILLS
============================================================ */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
  margin-bottom: 2.5rem;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid rgba(220, 38, 38, 0.25);
  padding: 0.5rem 1.6rem;
  border-radius: 40px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
}

.filter-btn:hover {
  border-color: var(--accent);
  color: white;
  transform: translateY(-2px);
}

.filter-btn.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.25);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  width: 100%;
  max-width: 100%;
}

.skill-card {
  background: var(--bg-card);
  border-radius: 1.5rem;
  padding: 2rem 2.2rem;
  border: 1px solid rgba(220, 38, 38, 0.25);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1);
  will-change: transform, filter;
  cursor: default;
  min-height: 100px;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.skill-card:hover {
  transform: translateY(-10px) !important;
  filter: brightness(1.08) !important;
  border: 1px solid rgb(142, 6, 6) !important;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
  margin-bottom: 0.7rem;
  font-size: 1rem;
}

.progress-bar {
  background: var(--border);
  border-radius: 40px;
  overflow: hidden;
  height: 10px;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 40px;
  width: 0%;
  transition: width 1.5s cubic-bezier(0.2, 0.9, 0.4, 1);
}

/* ============================================================
   PROJECTS
============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}

.project-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  border: 1px solid rgba(220, 38, 38, 0.25);
  cursor: default;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-thumb {
  border-radius: 1rem;
  overflow: hidden;
  margin-bottom: 1rem;
  background: var(--bg-secondary);
  aspect-ratio: 4 / 3;
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow);
}

.project-card:hover {
  border: 1px solid rgb(142, 6, 6);
}

.project-card:hover .project-thumb img {
  transform: scale(1.05);
}

.project-icon {
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.project-card h3 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}

.project-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  flex: 1;
}

.project-tech {
  display: block;
  color: var(--accent-light);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  margin-top: 0.7rem;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1rem;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: gap var(--t-fast), color var(--t-fast);
}

.project-link:hover {
  gap: 0.55rem;
  color: white;
}

/* ============================================================
   EXPERIENCE (TIMELINE)
============================================================ */
.timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background: var(--border);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 0 2rem 2rem 2rem;
}

.timeline-item.left {
  left: 0;
  text-align: right;
}
.timeline-item.right {
  left: 50%;
  text-align: left;
}

.timeline-dot {
  position: absolute;
  top: 1.4rem;
  width: 16px;
  height: 16px;
  background: rgb(188, 11, 11);
  border-radius: 50%;
  border: 3px solid var(--bg-body);
  box-shadow: 0 0 0 3px rgb(188, 11, 11);
}

.timeline-item.left .timeline-dot {
  right: -8px;
}
.timeline-item.right .timeline-dot {
  left: -8px;
}

.timeline-content {
  background: var(--bg-card);
  border-radius: 1.2rem;
  padding: 1.4rem 1.8rem;
  border: 1px solid rgba(220, 38, 38, 0.25);
  transition: all 0.9s cubic-bezier(0.2, 0.9, 0.4, 1);
  will-change: transform, filter;
  cursor: default;
}

.timeline-content:hover {
  transform: translateY(-7px);
  filter: brightness(1.08);
  border: 1px solid rgb(142, 6, 6);
}

.timeline-date {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
}

.timeline-content h3 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.1rem;
  margin-top: 0.2rem;
}

.timeline-company {
  color: var(--accent-light);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.timeline-content p {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* ============================================================
   CONTACT
============================================================ */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 2.25rem);
  border: 1px solid var(--border);
}

.content {
  color: white;
  transition: 0.4s;
}

.content:hover {
  cursor: pointer;
  color: #dc2626;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0.9rem 0;
}

.contact-info-item i {
  width: 40px;
  height: 40px;
  background: var(--bg-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--accent);
  font-size: 1.1rem;
  flex: none;
}

.contact-info-item a {
  color: inherit;
  text-decoration: none;
  transition: transform 0.25s ease;;
}

.contact-info-item a:hover {
  color: var(--accent-light);
  transform: scale(1.3);
}

.contact-info-item div {
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.contact-info-item strong {
  color: var(--text-primary);
}

.portfolio-input,
.portfolio-textarea {
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  padding: 0.8rem 1rem;
  width: 100%;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: border-color var(--t-fast);
  outline: none;
}

.portfolio-input::placeholder,
.portfolio-textarea::placeholder {
  color: var(--text-muted);
}

.portfolio-input:focus,
.portfolio-textarea:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.portfolio-textarea {
  resize: vertical;
  min-height: 80px;
}

/* ============================================================
   FOOTER
============================================================ */
footer {
  background: var(--bg-secondary);
  text-align: center;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity var(--t-slow), transform var(--t-slow);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1024px) {
  .hero-right {
    width: 38%;
    right: 0;
  }
  .hero .container {
    padding-left: 1.5rem;
  }
  .hero-content h1 {
    font-size: clamp(2rem, 4vw, 2.8rem);
  }
  .about-grid {
    grid-template-columns: 1fr 1.1fr;
  }
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 850px) {
  .nav-links {
    display: none;
  }
  .hamburger {
    display: flex;
  }

  /* ===== کاهش فاصله بخش‌ها ===== */
  .section {
    padding: 2rem 0;
    min-height: auto;
  }

  /* ===== HERO MOBILE - وسط‌چین با فاصله مناسب ===== */
   .hero {
    min-height: 80vh;
    padding: 1rem 0 2rem 0;
    justify-content: center;
    align-items: center;
    text-align: left;  /* ← چپ‌چین */
  }
  .hero .container {
    padding: 0 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;  /* ← چپ‌چین */
    justify-content: center;
    min-height: auto;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
  }

    .hero-content {
    align-items: flex-start;  /* ← چپ‌چین */
    text-align: left;  /* ← چپ‌چین */
    width: 100%;
  }


  .hero-tag {
    align-self: flex-start;  /* ← چپ‌چین */
    font-size: 0.6rem;
    padding: 0.3rem 0.9rem;
    margin-bottom: 0.8rem;
  }

   .hero-content h1 {
    text-align: left;  /* ← چپ‌چین */
    font-size: clamp(1.4rem, 4.5vw, 2rem);
    width: 100%;
    line-height: 1.3;
  }


  .hero-content h1 br {
    display: block;
  }

  .hero-role {
    justify-content: flex-start;
    font-size: clamp(0.7rem, 1.8vw, 0.85rem);
    margin-top: 0.3rem;
    margin-bottom: 0.6rem;
    width: 100%;
  }

  .hero-content p {
    text-align: left;
    margin-left: auto;
    margin-right: auto;
    padding: 0 0.5rem;
    font-size: clamp(0.8rem, 1.8vw, 0.95rem);
    max-width: 520px;
    width: 100%;
  }

  .btn-group {
    justify-content: flex-start;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.6rem;
    width: 100%;
    margin-top: 0.5rem;
  }

  .btn {
    max-width: 180px;
    padding: 0.6rem 1.2rem;
    font-size: 0.8rem;
  }

  .hero-right {
    display: none;
  }

  /* ===== ABOUT ===== */
  .about-grid {
    grid-template-columns: 1fr;
    text-align: left;
    gap: 1.5rem;
  }

  .about-text {
    text-align: left;
  }

  /* ===== SKILLS ===== */
  .skills-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .skill-card {
    padding: 0.9rem 1.2rem;
    min-height: 60px;
  }

  .skill-info {
    font-size: 0.9rem;
  }

  .progress-bar {
    height: 5px;
  }

  /* ===== PROJECTS - کوچک‌تر در موبایل ===== */
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .project-card {
    padding: 1rem;
    border-radius: 1rem;
  }

  .project-card h3 {
    font-size: 0.95rem;
  }

  .project-card p {
    font-size: 0.85rem;
  }

  .project-thumb {
    aspect-ratio: 16 / 9;
    border-radius: 0.75rem;
    margin-bottom: 0.8rem;
  }

  .project-icon {
    font-size: 1.2rem;
  }

  .project-tech {
    font-size: 0.7rem;
  }

  .project-link {
    font-size: 0.8rem;
  }

  /* ===== CONTACT ===== */
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 1.25rem;
  }

  /* ===== TIMELINE ===== */
  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 50px;
    text-align: left !important;
    left: 0 !important;
  }

  .timeline-item.left .timeline-dot,
  .timeline-item.right .timeline-dot {
    left: 12px;
    right: auto;
  }

  .timeline-content {
    padding: 1rem 1.2rem;
  }
}

@media (max-width: 650px) {
  .filter-bar {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.6rem;
    padding: 0 0.2rem;
  }

  .filter-btn {
    padding: 0.7rem 0.5rem;
    font-size: 0.8rem;
    border-radius: 12px;
    text-align: center;
    width: 100%;
    font-weight: 600;
  }
}

@media (max-width: 540px) {
  .section {
    padding: 1.5rem 0;
  }

  /* ===== HERO ===== */
  .hero {
    min-height: 70vh;
    padding: 0.5rem 0 1.5rem 0;
  }

  .hero .container {
    padding: 0 1.2rem;
    max-width: 100%;
  }

  .hero-tag {
    font-size: 0.5rem;
    padding: 0.2rem 0.7rem;
  }

  .hero-content h1 {
    font-size: 1.3rem;
  }

  .hero-role {
    font-size: 0.65rem;
  }

  .hero-content p {
    font-size: 0.75rem;
  }

  .btn {
    max-width: 150px;
    padding: 0.5rem 1rem;
    font-size: 0.7rem;
  }

  .btn-group {
    gap: 0.5rem;
  }

  /* ===== ABOUT ===== */
  .about-grid {
    gap: 1rem;
  }

  .about-image-card {
    max-width: 280px;
    padding: 0.5rem;
  }

  /* ===== SKILLS ===== */
  .skills-grid {
    gap: 0.8rem;
  }

  .skill-card {
    padding: 0.7rem 1rem;
    min-height: 55px;
  }

  .skill-info {
    font-size: 0.85rem;
  }

  .progress-bar {
    height: 4px;
  }

  /* ===== PROJECTS - کوچک‌تر ===== */
  .projects-grid {
    gap: 0.8rem;
  }

  .project-card {
    padding: 0.8rem;
  }

  .project-card h3 {
    font-size: 0.85rem;
  }

  .project-card p {
    font-size: 0.8rem;
  }

  .project-thumb {
    aspect-ratio: 16 / 9;
    border-radius: 0.6rem;
    margin-bottom: 0.6rem;
  }

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

  .project-tech {
    font-size: 0.65rem;
  }

  .project-link {
    font-size: 0.75rem;
  }

  /* ===== TIMELINE ===== */
  .timeline-content {
    padding: 0.8rem 1rem;
  }

  .timeline-content h3 {
    font-size: 0.95rem;
  }

  .timeline-content p {
    font-size: 0.8rem;
  }

  /* ===== CONTACT ===== */
  .contact-wrapper {
    padding: 1rem;
    gap: 1rem;
  }
}

@media (max-width: 400px) {
  .section {
    padding: 1rem 0;
  }

  /* ===== HERO ===== */
  .hero {
    min-height: 65vh;
    padding: 0.2rem 0 1rem 0;
  }

  .hero .container {
    padding: 0 0.8rem;
  }

  .hero-tag {
    font-size: 0.45rem;
    padding: 0.2rem 0.6rem;
  }

  .hero-content h1 {
    font-size: 1.1rem;
  }

  .hero-role {
    font-size: 0.55rem;
  }

  .hero-content p {
    font-size: 0.7rem;
    line-height: 1.5;
    padding: 0 0.2rem;
  }

  .btn {
    max-width: 130px;
    padding: 0.4rem 0.8rem;
    font-size: 0.6rem;
  }

  .btn-group {
    gap: 0.3rem;
  }

  /* ===== PROJECTS - کوچک‌تر ===== */
  .projects-grid {
    gap: 0.6rem;
  }

  .project-card {
    padding: 0.6rem;
    border-radius: 0.8rem;
  }

  .project-card h3 {
    font-size: 0.8rem;
    margin-bottom: 0.2rem;
  }

  .project-card p {
    font-size: 0.7rem;
    line-height: 1.4;
  }

  .project-thumb {
    aspect-ratio: 16 / 9;
    border-radius: 0.5rem;
    margin-bottom: 0.5rem;
  }

  .project-icon {
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
  }

  .project-tech {
    font-size: 0.6rem;
    margin-top: 0.4rem;
  }

  .project-link {
    font-size: 0.7rem;
    margin-top: 0.5rem;
  }

  /* ===== SKILLS ===== */
  .skills-grid {
    gap: 0.6rem;
  }

  .skill-card {
    padding: 0.5rem 0.8rem;
    min-height: 45px;
  }

  .skill-info {
    font-size: 0.75rem;
  }

  .progress-bar {
    height: 3px;
  }

  /* ===== FILTER ===== */
  .filter-bar {
    gap: 0.4rem;
  }

  .filter-btn {
    font-size: 0.65rem;
    padding: 0.4rem 0.3rem;
    border-radius: 8px;
  }

  /* ===== TIMELINE ===== */
  .timeline-content {
    padding: 0.6rem 0.8rem;
  }

  .timeline-content h3 {
    font-size: 0.85rem;
  }

  .timeline-content p {
    font-size: 0.7rem;
  }

  /* ===== CONTACT ===== */
  .contact-info-item {
    gap: 0.75rem;
  }

  .contact-info-item i {
    width: 34px;
    height: 34px;
    font-size: 0.95rem;
  }

  .preloader-line {
    width: 130px;
  }
}

@media (hover: none) {
  .mouse-glow {
    display: none;
  }
  .card-hover:hover,
  .stat-item:hover,
  .filter-btn:hover,
  .about-image-card:hover,
  .skill-card:hover,
  .project-card:hover,
  .timeline-content:hover {
    transform: none !important;
  }
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
}

@supports (padding-bottom: env(safe-area-inset-bottom)) {
  footer {
    padding-bottom: calc(1.5rem + env(safe-area-inset-bottom));
  }
}