/* ================================================================
   PORTFOLIO STYLESHEET — MD. RAKIB ISLAM
   Full Responsive | Light & Dark Mode | Preloader | Boxicons
   ================================================================ */

/* ── CSS Custom Properties ── */
:root {
  /* Dark Mode (default) */
  --bg:          #0A0A1A;
  --bg-2:        #111127;
  --bg-3:        #1A1A35;
  --bg-4:        #22224A;
  --card:        #141428;
  --card-hover:  #1C1C3A;
  --border:      rgba(255,255,255,0.07);
  --border-h:    rgba(108,99,255,0.35);
  --text:        #EEEEF8;
  --text-2:      #B0B0C8;
  --text-muted:  #7070A0;
  --primary:     #6C63FF;
  --primary-l:   #8B85FF;
  --primary-d:   #4A43CC;
  --accent:      #00D9B5;
  --accent-d:    #00B89B;
  --shadow:      rgba(0,0,0,0.5);
  --shadow-card: 0 20px 60px rgba(0,0,0,0.4);
  --glow:        rgba(108,99,255,0.15);
  --input-bg:    rgba(10,10,26,0.8);
  --navbar-bg:   rgba(10,10,26,0.92);
  --preloader-bg:#0A0A1A;

  /* Common */
  --radius-sm: 10px;
  --radius:    16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition: 0.3s ease;
}

[data-theme="light"] {
  --bg:          #F4F4FF;
  --bg-2:        #ECEEFF;
  --bg-3:        #E0E0F8;
  --bg-4:        #D4D4F0;
  --card:        #FFFFFF;
  --card-hover:  #F0F0FF;
  --border:      rgba(108,99,255,0.12);
  --border-h:    rgba(108,99,255,0.4);
  --text:        #1A1A3A;
  --text-2:      #3A3A6A;
  --text-muted:  #7070A0;
  --shadow:      rgba(108,99,255,0.12);
  --shadow-card: 0 12px 40px rgba(108,99,255,0.1);
  --glow:        rgba(108,99,255,0.08);
  --input-bg:    #F8F8FF;
  --navbar-bg:   rgba(244,244,255,0.94);
  --preloader-bg:#6C63FF;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin:0; padding:0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
  line-height: 1.6;
}
img { max-width:100%; display:block; }
a  { text-decoration:none; color:inherit; }
ul { list-style: none; }
button { cursor:pointer; border:none; background:none; font-family:inherit; }

/* ── ========================================================
   PRELOADER
   ======================================================== ── */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--preloader-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
#preloader.done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

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

.preloader-logo {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 900;
  color: #fff;
  margin-bottom: 2rem;
  animation: scalePop 0.6s cubic-bezier(0.34,1.56,0.64,1) both;
}
.pre-dot { color: var(--accent); }

@keyframes scalePop {
  from { opacity:0; transform:scale(0.5); }
  to   { opacity:1; transform:scale(1); }
}

.preloader-bars {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 1.5rem;
}
.pre-bar {
  width: 6px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,0.25);
  animation: barBounce 1.2s ease-in-out infinite;
}
.pre-bar:nth-child(1) { animation-delay:0s; }
.pre-bar:nth-child(2) { animation-delay:0.15s; }
.pre-bar:nth-child(3) { animation-delay:0.3s; }
.pre-bar:nth-child(4) { animation-delay:0.15s; }
.pre-bar:nth-child(5) { animation-delay:0s; }

@keyframes barBounce {
  0%,100% { transform:scaleY(0.4); background:rgba(255,255,255,0.2); }
  50%      { transform:scaleY(1);   background:#fff; }
}

.pre-text {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.preloader-progress {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 4px;
  background: rgba(255,255,255,0.15);
}
.preloader-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 0.1s linear;
  border-radius: 0 4px 4px 0;
}

/* ── ========================================================
   NAVBAR
   ======================================================== ── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition), border var(--transition);
}
#navbar.scrolled {
  background: var(--navbar-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 30px var(--shadow);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-logo {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--text);
  white-space: nowrap;
}
.accent-dot { color: var(--primary); }

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}
.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom:-2px; left:0;
  width:0; height:2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  transition: width var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--text);
}
.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Theme Toggle Button */
.theme-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 1.2rem;
  transition: all var(--transition);
}
.theme-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: rotate(20deg);
}

/* Resume Button */
.btn-resume {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--primary);
  color: #fff;
  font-size: 0.813rem;
  font-weight: 600;
  padding: 0.55rem 1.2rem;
  border-radius: 50px;
  transition: all var(--transition);
}
.btn-resume:hover {
  background: var(--primary-d);
  box-shadow: 0 8px 20px rgba(108,99,255,0.35);
  transform: translateY(-2px);
}
.btn-resume i { font-size: 1rem; }

/* Hamburger */
.hamburger-btn {
  display: none;
  width:40px; height:40px;
  border-radius: var(--radius-sm);
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 1.4rem;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.hamburger-btn:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* Mobile Menu */
.mobile-menu {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 1rem 1.5rem 1.5rem;
}
.mobile-menu.hidden { display:none; }
.mobile-menu ul { display:flex; flex-direction:column; gap:0.25rem; }
.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition);
}
.mobile-nav-link:hover {
  background: var(--bg-3);
  color: var(--primary);
}
.mobile-nav-link i { font-size: 1.1rem; }

/* ── ========================================================
   LAYOUT HELPERS
   ======================================================== ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}
.section-alt {
  background: var(--bg-2);
  transition: background var(--transition);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-block;
  background: linear-gradient(135deg,rgba(108,99,255,0.15),rgba(0,217,181,0.1));
  border: 1px solid rgba(108,99,255,0.25);
  color: var(--primary);
  font-size:0.7rem;
  font-weight:700;
  letter-spacing:0.15em;
  text-transform:uppercase;
  padding:6px 18px;
  border-radius:50px;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  color: var(--text);
  margin-top: 1rem;
  line-height: 1.2;
}

.section-sub {
  color: var(--text-muted);
  margin-top: 0.75rem;
  font-size: 0.95rem;
  max-width: 600px;
  margin-inline: auto;
}

.grad {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Section Glows */
.section-glow {
  position:absolute;
  pointer-events:none;
  filter:blur(80px);
  z-index:0;
}
.glow-center {
  width:600px; height:300px;
  top:-80px; left:50%; transform:translateX(-50%);
  background: radial-gradient(ellipse, var(--glow), transparent 70%);
}
.glow-right {
  width:400px; height:400px;
  top:-100px; right:-80px;
  background: radial-gradient(ellipse, rgba(0,217,181,0.08), transparent 70%);
}

/* ── ========================================================
   HERO SECTION
   ======================================================== ── */
.hero-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 5rem 1.5rem 3rem;
  position: relative;
  overflow: hidden;
}

/* Background Grid */
.hero-bg-grid {
  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: 0.5;
  z-index:0;
}

/* Orbs */
.orb {
  position:absolute;
  border-radius:50%;
  pointer-events:none;
  z-index:0;
  filter:blur(80px);
  animation: float 10s ease-in-out infinite;
}
.orb-1 {
  width: min(600px,80vw);
  height: min(600px,80vw);
  top: -15%; right: -10%;
  background: radial-gradient(circle, rgba(108,99,255,0.18) 0%, transparent 70%);
}
.orb-2 {
  width: min(500px,70vw);
  height: min(500px,70vw);
  bottom:-10%; left:-8%;
  background: radial-gradient(circle,rgba(0,217,181,0.12) 0%, transparent 70%);
  animation-delay:-5s;
  animation-duration:13s;
}

@keyframes float {
  0%,100% { transform:translateY(0) rotate(0deg); }
  50%      { transform:translateY(-35px) rotate(5deg); }
}

/* Particles */
.particles-wrap { position:absolute; inset:0; z-index:1; pointer-events:none; overflow:hidden; }

.hero-container {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
}

/* ── Hero Text ── */
.hero-text { display:flex; flex-direction:column; gap:1.5rem; }

.availability-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0,217,181,0.1);
  border: 1px solid rgba(0,217,181,0.25);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 50px;
  width: fit-content;
}
.pulse-dot {
  width:8px; height:8px;
  background: var(--accent);
  border-radius:50%;
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:0.5; transform:scale(1.4); }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 900;
  color: var(--text);
  line-height: 1.1;
}
.hero-name {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 50%, #BF8BFF 100%);
  background-size: 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradShift 5s ease infinite;
}
@keyframes gradShift {
  0%,100%{ background-position:0% 50%; }
  50%    { background-position:100% 50%; }
}

.hero-subtitle {
  display:flex;
  align-items:center;
  gap:0.75rem;
  font-size:clamp(1rem,2.5vw,1.2rem);
  font-family: 'Fira Code', monospace;
  color:var(--accent);
  font-weight:500;
}
.type-line { width:40px; height:2px; background:var(--primary); flex-shrink:0; }
.cursor-blink { animation:blink 1s step-end infinite; }
@keyframes blink { 0%,100%{opacity:1;} 50%{opacity:0;} }

.hero-desc {
  color:var(--text-2);
  font-size:clamp(0.9rem,2vw,1.05rem);
  line-height:1.75;
  max-width:520px;
}
.highlight { color:var(--primary); font-weight:600; }

.hero-btns {
  display:flex;
  flex-wrap:wrap;
  gap:1rem;
  margin-top:0.5rem;
}
.btn-primary {
  display:inline-flex; align-items:center; gap:0.5rem;
  background: linear-gradient(135deg,var(--primary),var(--primary-l));
  color:#fff;
  font-weight:700;
  font-size:0.9rem;
  padding:0.85rem 2rem;
  border-radius:50px;
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(108,99,255,0.3);
}
.btn-primary:hover {
  background: linear-gradient(135deg,var(--primary-d),var(--primary));
  box-shadow: 0 10px 30px rgba(108,99,255,0.45);
  transform: translateY(-3px);
}
.btn-outline {
  display:inline-flex; align-items:center; gap:0.5rem;
  border:2px solid var(--border-h);
  color:var(--text);
  font-weight:700;
  font-size:0.9rem;
  padding:0.85rem 2rem;
  border-radius:50px;
  transition: all var(--transition);
}
.btn-outline:hover {
  background:rgba(108,99,255,0.12);
  border-color:var(--primary);
  color:var(--primary);
  transform:translateY(-3px);
}

.hero-socials {
  display:flex; gap:0.75rem; margin-top:0.5rem;
}
.social-icon {
  width:44px; height:44px;
  display:flex; align-items:center; justify-content:center;
  background:var(--bg-3);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  color:var(--text-muted);
  font-size:1.2rem;
  transition: all var(--transition);
}
.social-icon:hover {
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
  transform:translateY(-4px);
  box-shadow:0 8px 20px rgba(108,99,255,0.35);
}

/* ── Hero Image ── */
.hero-image { display:flex; justify-content:flex-end; align-items:center; }

.profile-wrapper {
  position:relative;
  width:min(320px,80vw);
  height:min(320px,80vw);
}

.profile-ring-outer {
  position:absolute; inset:-14px;
  border-radius: 60% 40% 70% 30% / 40% 60% 30% 70%;
  background: linear-gradient(135deg, rgba(108,99,255,0.4), rgba(0,217,181,0.2));
  animation: morphRing 8s ease-in-out infinite;
}
.profile-ring-inner {
  position:absolute; inset:-5px;
  border-radius: 60% 40% 70% 30% / 40% 60% 30% 70%;
  background: linear-gradient(135deg, rgba(108,99,255,0.6), rgba(0,217,181,0.3));
  animation: morphRing 8s ease-in-out infinite reverse;
}
.profile-img-box {
  position:absolute; inset:0;
  border-radius:60% 40% 70% 30% / 40% 60% 30% 70%;
  overflow:hidden;
  animation: morphRing 8s ease-in-out infinite;
  background: var(--bg-3);
}
.profile-img-box img {
  width:100%; height:100%;
  object-fit:cover; object-position:center top;
}

@keyframes morphRing {
  0%,100%{ border-radius:60% 40% 70% 30% / 40% 60% 30% 70%; }
  25%    { border-radius:40% 60% 30% 70% / 60% 40% 70% 30%; }
  50%    { border-radius:50% 50% 40% 60% / 50% 40% 60% 50%; }
  75%    { border-radius:30% 70% 60% 40% / 70% 30% 40% 60%; }
}

/* Floating badges */
.float-badge {
  position:absolute;
  display:inline-flex; align-items:center; gap:6px;
  background:var(--card);
  border:1px solid var(--border-h);
  border-radius:50px;
  padding:7px 13px;
  font-size:0.75rem;
  font-weight:700;
  color:var(--text);
  white-space:nowrap;
  box-shadow:0 8px 24px var(--shadow);
  backdrop-filter:blur(10px);
  animation:float 6s ease-in-out infinite;
}
.float-badge img { width:20px; height:20px; }
.badge-tl { top:-12px;  left:-24px;  animation-delay:0s; }
.badge-tr { top:8px;    right:-28px; animation-delay:-2s; }
.badge-br { bottom:16px;right:-24px; animation-delay:-4s; }
.badge-bl { bottom:-8px;left:-28px;  animation-delay:-1s; }

/* ── Scroll Indicator ── */
.scroll-indicator-wrap {
  position:absolute; bottom:2rem; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:0.5rem;
  z-index:2;
}
.scroll-label {
  font-size:0.7rem;
  color:var(--text-muted);
  font-weight:500;
  letter-spacing:0.08em;
  text-transform:uppercase;
}
.scroll-mouse {
  width:22px; height:36px;
  border:2px solid rgba(108,99,255,0.4);
  border-radius:14px;
  position:relative;
}
.scroll-dot {
  width:4px; height:7px;
  background:var(--primary);
  border-radius:4px;
  position:absolute;
  left:50%; top:6px;
  transform:translateX(-50%);
  animation:scrollAnim 2s ease-in-out infinite;
}
@keyframes scrollAnim {
  0%   { opacity:1; transform:translateX(-50%) translateY(0); }
  100% { opacity:0; transform:translateX(-50%) translateY(14px); }
}

/* ── ========================================================
   ABOUT
   ======================================================== ── */
.about-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:3rem;
  align-items:start;
}

/* Info Cards */
.info-card {
  display:flex;
  align-items:flex-start;
  gap:1rem;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:1.25rem;
  transition:all var(--transition);
  margin-bottom:1rem;
}
.info-card:last-child { margin-bottom:0; }
.info-card:hover {
  border-color:var(--border-h);
  background:var(--card-hover);
  transform:translateX(5px);
  box-shadow:var(--shadow-card);
}
.info-icon {
  width:46px; height:46px; flex-shrink:0;
  border-radius:var(--radius-sm);
  display:flex; align-items:center; justify-content:center;
  font-size:1.3rem;
}
.icon-purple { background:rgba(108,99,255,0.15); color:var(--primary); }
.icon-teal   { background:rgba(0,217,181,0.15);  color:var(--accent); }
.icon-blue   { background:rgba(59,130,246,0.15); color:#60A5FA; }
.icon-pink   { background:rgba(236,72,153,0.15); color:#F472B6; }
.icon-orange { background:rgba(249,115,22,0.15); color:#FB923C; }
.icon-cyan   { background:rgba(6,182,212,0.15);  color:#22D3EE; }

.info-card h3 {
  font-size:0.9rem; font-weight:700;
  color:var(--text); margin-bottom:0.3rem;
}
.info-card p { font-size:0.83rem; color:var(--text-2); line-height:1.6; }

/* Language Chips */
.lang-chips { display:flex; flex-wrap:wrap; gap:0.4rem; margin-top:0.5rem; }
.chip {
  display:inline-flex; align-items:center; gap:5px;
  background:var(--bg-3);
  border:1px solid var(--border);
  border-radius:8px; padding:3px 10px;
  font-size:0.75rem; color:var(--text-2);
}
.lv {
  font-size:0.65rem; font-weight:700; font-style:normal;
  padding:2px 7px; border-radius:50px;
}
.lv.native { background:rgba(108,99,255,0.2); color:var(--primary-l); }
.lv.pro    { background:rgba(0,217,181,0.2);  color:var(--accent); }
.lv.inter  { background:rgba(251,146,60,0.2); color:#FB923C; }

/* Objective */
.objective-card {
  background: linear-gradient(135deg,rgba(108,99,255,0.08),rgba(0,217,181,0.05));
  border:1px solid rgba(108,99,255,0.2);
  border-radius:var(--radius);
  padding:1.5rem;
  margin-bottom:1.25rem;
}
.objective-card h3 {
  display:flex; align-items:center; gap:0.5rem;
  font-size:1rem; font-weight:700;
  color:var(--text); margin-bottom:0.75rem;
}
.objective-card h3 i { color:var(--primary); font-size:1.2rem; }
.objective-card p { font-size:0.85rem; color:var(--text-2); line-height:1.75; }
.objective-card strong { color:var(--primary); }

/* Stats */
.stats-grid {
  display:grid; grid-template-columns:1fr 1fr;
  gap:0.75rem; margin-bottom:1.25rem;
}
.stat-box {
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:1.25rem;
  text-align:center;
  transition:all var(--transition);
}
.stat-box:hover { border-color:var(--border-h); transform:translateY(-4px); box-shadow:var(--shadow-card); }
.stat-num {
  font-size:2rem; font-weight:900;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  line-height:1;
}
.stat-lbl { font-size:0.75rem; color:var(--text-muted); margin-top:0.4rem; font-weight:500; }

/* Personal Card */
.personal-card {
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:1.25rem;
}
.personal-card h3 { font-size:0.9rem; font-weight:700; color:var(--text); margin-bottom:0.75rem; }
.personal-grid { display:grid; grid-template-columns:1fr 1fr; gap:0.5rem 1rem; }
.p-row { display:flex; flex-direction:column; }
.p-key { font-size:0.7rem; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.06em; }
.p-val { font-size:0.83rem; color:var(--text); font-weight:500; margin-top:1px; }

/* ── ========================================================
   SKILLS
   ======================================================== ── */
.skills-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1.5rem;
  margin-bottom:3rem;
}

.skill-cat-card {
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:1.75rem;
  transition:all var(--transition);
}
.skill-cat-card:hover {
  border-color:var(--border-h);
  transform:translateY(-5px);
  box-shadow:var(--shadow-card);
}
.skill-cat-head {
  display:flex; align-items:center; gap:0.75rem;
  margin-bottom:1.5rem;
}
.cat-icon {
  width:42px; height:42px;
  border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  font-size:1.3rem;
}

.skill-bars { display:flex; flex-direction:column; gap:1.1rem; }
.skill-item {}
.skill-meta {
  display:flex; justify-content:space-between; align-items:center; margin-bottom:0.5rem;
}
.skill-meta span:first-child {
  display:flex; align-items:center; gap:0.5rem;
  font-size:0.83rem; font-weight:600; color:var(--text);
}
.s-icon { width:17px; height:17px; }
.skill-pct { font-size:0.75rem; color:var(--accent); font-weight:700; }

.bar-track {
  width:100%; height:6px;
  background:var(--bg-3);
  border-radius:10px;
  overflow:hidden;
}
.bar-fill {
  height:100%; border-radius:10px;
  transition:width 1.3s cubic-bezier(0.22,1,0.36,1);
}
.bar-fill.orange { background:linear-gradient(90deg,#F97316,#EF4444); }
.bar-fill.green  { background:linear-gradient(90deg,#22C55E,#10B981); }
.bar-fill.purple { background:linear-gradient(90deg,#8B5CF6,#6366F1); }
.bar-fill.teal   { background:linear-gradient(90deg,#14B8A6,#06B6D4); }
.bar-fill.red    { background:linear-gradient(90deg,#EF4444,#F43F5E); }
.bar-fill.yellow { background:linear-gradient(90deg,#EAB308,#F59E0B); }
.bar-fill.blue   { background:linear-gradient(90deg,#3B82F6,#6366F1); }
.bar-fill.cyan   { background:linear-gradient(90deg,#06B6D4,#3B82F6); }
.bar-fill.indigo { background:linear-gradient(90deg,#6366F1,#8B5CF6); }

/* Tech Pills */
.tech-pills-section { text-align:center; }
.pills-label {
  font-size:0.7rem; font-weight:700; letter-spacing:0.15em;
  color:var(--text-muted); margin-bottom:1.25rem;
}
.tech-pills { display:flex; flex-wrap:wrap; gap:0.75rem; justify-content:center; }
.t-pill {
  display:inline-flex; align-items:center; gap:0.5rem;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:50px;
  padding:0.5rem 1.1rem;
  font-size:0.83rem; font-weight:500;
  color:var(--text-2);
  transition:all var(--transition);
}
.t-pill img { width:20px; height:20px; }
.t-pill:hover {
  border-color:var(--primary);
  background:rgba(108,99,255,0.1);
  color:var(--text);
  transform:translateY(-3px);
  box-shadow:0 8px 20px rgba(108,99,255,0.2);
}

/* ── ========================================================
   PROJECTS
   ======================================================== ── */
.projects-list { display:flex; flex-direction:column; gap:1.5rem; }

.project-card {
  position:relative;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:2rem;
  transition:all var(--transition);
  overflow:hidden;
}
.project-card::before {
  content:'';
  position:absolute;
  top:0; left:0; right:0; height:3px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  opacity:0;
  transition:opacity var(--transition);
}
.project-card:hover::before { opacity:1; }
.project-card:hover {
  border-color:var(--border-h);
  transform:translateY(-5px);
  box-shadow:var(--shadow-card);
}

.proj-num {
  position:absolute; top:1rem; right:1.5rem;
  font-size:4.5rem; font-weight:900;
  color:rgba(108,99,255,0.06);
  font-family:'Fira Code',monospace;
  line-height:1; pointer-events:none; user-select:none;
}

.proj-body h3 {
  font-size:1.15rem; font-weight:800; color:var(--text);
}
.proj-sub {
  font-size:0.83rem; font-weight:600; margin-top:0.25rem;
}
.proj-sub.purple { color:var(--primary-l); }
.proj-sub.teal   { color:var(--accent); }
.proj-sub.blue   { color:#60A5FA; }

.proj-header {
  display:flex; justify-content:space-between;
  align-items:flex-start; gap:1rem; flex-wrap:wrap;
  margin-bottom:0.75rem;
}

.proj-link-btn {
  display:inline-flex; align-items:center; gap:0.35rem;
  background:rgba(108,99,255,0.1);
  border:1px solid rgba(108,99,255,0.3);
  color:var(--primary-l);
  font-size:0.78rem; font-weight:700;
  padding:0.5rem 1rem;
  border-radius:50px;
  white-space:nowrap;
  transition:all var(--transition);
  flex-shrink:0;
}
.proj-link-btn:hover {
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
  box-shadow:0 6px 16px rgba(108,99,255,0.35);
}

.proj-desc {
  font-size:0.85rem; color:var(--text-2); line-height:1.75;
  margin-bottom:1.25rem;
}

.proj-footer {
  display:flex; align-items:flex-start;
  gap:1.5rem; flex-wrap:wrap;
}

.proj-tags { display:flex; flex-wrap:wrap; gap:0.4rem; }
.tag {
  display:inline-block; padding:3px 11px;
  border-radius:50px; font-size:0.7rem; font-weight:700;
}
.tag-green  { background:rgba(34,197,94,0.12);   color:#4ADE80; border:1px solid rgba(34,197,94,0.2); }
.tag-red    { background:rgba(239,68,68,0.12);   color:#F87171; border:1px solid rgba(239,68,68,0.2); }
.tag-rose   { background:rgba(244,63,94,0.12);   color:#FDA4AF; border:1px solid rgba(244,63,94,0.2); }
.tag-blue   { background:rgba(59,130,246,0.12);  color:#93C5FD; border:1px solid rgba(59,130,246,0.2); }
.tag-yellow { background:rgba(234,179,8,0.12);   color:#FDE047; border:1px solid rgba(234,179,8,0.2); }
.tag-gray   { background:rgba(107,114,128,0.12); color:#D1D5DB; border:1px solid rgba(107,114,128,0.2); }
.tag-cyan   { background:rgba(6,182,212,0.12);   color:#67E8F9; border:1px solid rgba(6,182,212,0.2); }

.proj-features {
  display:flex; flex-direction:column; gap:0.45rem;
}
.proj-features li {
  display:flex; align-items:center; gap:0.4rem;
  font-size:0.8rem; color:var(--text-2);
}
.proj-features li i { color:var(--accent); font-size:0.85rem; flex-shrink:0; }

/* ── ========================================================
   EDUCATION
   ======================================================== ── */
.edu-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:3rem;
  align-items:start;
}

.col-title {
  display:flex; align-items:center; gap:0.6rem;
  font-size:1.05rem; font-weight:700; color:var(--text);
  margin-bottom:1.5rem;
}
.col-title i {
  font-size:1.2rem;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}

/* Timeline */
.timeline { position:relative; padding-left:1.5rem; }
.timeline::before {
  content:''; position:absolute;
  left:6px; top:10px; bottom:10px; width:2px;
  background:linear-gradient(to bottom,var(--primary),var(--accent),rgba(255,255,255,0.05));
}

.t-item { position:relative; padding-bottom:2rem; }
.t-item:last-child { padding-bottom:0; }
.t-dot {
  position:absolute; left:-22px; top:10px;
  width:14px; height:14px;
  border-radius:50%;
  border:2px solid var(--bg);
  box-shadow:0 0 0 3px rgba(108,99,255,0.2);
}
.purple-dot { background:var(--primary); }
.teal-dot   { background:var(--accent); }
.blue-dot   { background:#60A5FA; }

.t-card {
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:1.1rem 1.25rem;
  transition:all var(--transition);
}
.t-card:hover { border-color:var(--border-h); transform:translateX(4px); }

.edu-badge {
  display:inline-block;
  background:rgba(108,99,255,0.15); color:var(--primary-l);
  font-size:0.65rem; font-weight:700; letter-spacing:0.1em;
  text-transform:uppercase; padding:2px 10px; border-radius:50px;
}
.t-card h4 { font-size:0.9rem; font-weight:700; color:var(--text); margin:0.4rem 0 0.2rem; }
.edu-org { font-size:0.82rem; font-weight:600; }
.edu-org.purple { color:var(--primary-l); }
.edu-org.teal   { color:var(--accent); }
.edu-org.blue   { color:#60A5FA; }
.edu-metas {
  display:flex; flex-wrap:wrap; gap:0.75rem; margin-top:0.5rem;
}
.edu-metas span {
  display:inline-flex; align-items:center; gap:4px;
  font-size:0.75rem; color:var(--text-muted);
}
.edu-metas i { font-size:0.8rem; }

/* Exp Cards */
.exp-cards { display:flex; flex-direction:column; gap:1rem; }
.exp-card {
  display:flex; align-items:flex-start; gap:1rem;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:1.1rem 1.25rem;
  transition:all var(--transition);
}
.exp-card:hover { border-color:var(--border-h); transform:translateX(4px); }

.exp-icon {
  width:52px; height:52px; flex-shrink:0;
  border-radius:14px;
  display:flex; align-items:center; justify-content:center;
  font-size:1.3rem; font-weight:900; color:#fff;
}
.gr-purple { background:linear-gradient(135deg,var(--primary),var(--accent)); }
.gr-yellow { background:linear-gradient(135deg,#F59E0B,#F97316); }
.gr-amber  { background:linear-gradient(135deg,#FCD34D,#F59E0B); font-size:1.6rem; }

.exp-card h4 { font-size:0.9rem; font-weight:700; color:var(--text); margin-bottom:0.2rem; }
.exp-role { font-size:0.8rem; font-weight:600; }
.exp-role.purple { color:var(--primary-l); }
.exp-role.yellow { color:#FCD34D; }
.exp-role.pink   { color:#F472B6; }
.exp-date {
  display:inline-flex; align-items:center; gap:4px;
  font-size:0.75rem; color:var(--text-muted); margin-top:0.35rem;
}
.exp-tags { display:flex; flex-wrap:wrap; gap:0.35rem; margin-top:0.6rem; }

/* ── ========================================================
   CONTACT
   ======================================================== ── */
.contact-grid {
  display:grid;
  grid-template-columns:1fr 1.1fr;
  gap:3rem;
  align-items:start;
}

/* Contact Info */
.contact-card {
  display:flex; align-items:center; gap:1rem;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:1.1rem 1.25rem;
  margin-bottom:0.75rem;
  transition:all var(--transition);
}
.contact-card:hover { border-color:var(--border-h); transform:translateX(5px); }
.contact-card:last-of-type { margin-bottom:0; }
.contact-icon {
  width:46px; height:46px; flex-shrink:0;
  border-radius:var(--radius-sm);
  display:flex; align-items:center; justify-content:center;
  font-size:1.2rem;
}
.c-purple { background:rgba(108,99,255,0.15); color:var(--primary); }
.c-green  { background:rgba(34,197,94,0.15);  color:#4ADE80; }
.c-blue   { background:rgba(59,130,246,0.15); color:#60A5FA; }
.c-teal   { background:rgba(0,217,181,0.15);  color:var(--accent); }

.c-label {
  font-size:0.7rem; color:var(--text-muted);
  text-transform:uppercase; letter-spacing:0.08em; margin-bottom:0.2rem;
}
.contact-card a, .contact-card span {
  font-size:0.85rem; font-weight:500; color:var(--text);
  transition:color var(--transition);
}
.contact-card a:hover { color:var(--primary); }

/* Social Buttons */
.contact-socials { display:flex; gap:0.75rem; margin-top:1.25rem; }
.c-social-btn {
  width:48px; height:48px;
  display:flex; align-items:center; justify-content:center;
  background:var(--bg-3);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  color:var(--text-muted);
  font-size:1.25rem;
  transition:all var(--transition);
}
.c-social-btn:hover { background:var(--primary); border-color:var(--primary); color:#fff; transform:translateY(-4px); box-shadow:0 10px 25px rgba(108,99,255,0.35); }
.c-social-btn.linkedin:hover { background:#0A66C2; border-color:#0A66C2; }
.c-social-btn.globe:hover    { background:var(--accent); border-color:var(--accent); color:var(--bg); }

/* References */
.references { margin-top:1.75rem; }
.references h3 { font-size:1rem; font-weight:700; color:var(--text); margin-bottom:1rem; }
.ref-card {
  display:flex; align-items:flex-start; gap:0.875rem;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:0.875rem 1rem;
  margin-bottom:0.75rem;
  transition:all var(--transition);
}
.ref-card:hover { border-color:var(--border-h); }
.ref-avatar {
  width:40px; height:40px; flex-shrink:0;
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:0.75rem; font-weight:800; color:#fff;
}
.purple-av { background:linear-gradient(135deg,var(--primary),var(--primary-l)); }
.teal-av   { background:linear-gradient(135deg,var(--accent),var(--accent-d)); }

.ref-card h4 { font-size:0.85rem; font-weight:700; color:var(--text); }
.ref-card p  { font-size:0.75rem; color:var(--text-muted); }
.ref-card a  { font-size:0.75rem; color:var(--primary); display:block; margin-top:0.2rem; }
.ref-card span { font-size:0.73rem; color:var(--text-muted); display:block; }

/* Contact Form */
.contact-form-wrap {}
.contact-form {
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:2rem;
}
.contact-form h3 { font-size:1.2rem; font-weight:800; color:var(--text); margin-bottom:1.5rem; }

.form-row { display:grid; grid-template-columns:1fr 1fr; gap:1rem; }
.form-field { display:flex; flex-direction:column; gap:0.45rem; margin-bottom:1rem; }
.form-field:last-child { margin-bottom:0; }
label { font-size:0.72rem; font-weight:700; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.08em; }

.input-wrap {
  display:flex; align-items:center;
  background:var(--input-bg);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  transition:all var(--transition);
}
.input-wrap:focus-within { border-color:var(--primary); box-shadow:0 0 0 3px rgba(108,99,255,0.12); }
.input-wrap i { padding:0 0.75rem; font-size:1.1rem; color:var(--text-muted); flex-shrink:0; }
.input-wrap input, .input-wrap textarea {
  flex:1; border:none; outline:none;
  background:transparent;
  color:var(--text);
  font-family:'Inter',sans-serif;
  font-size:0.875rem;
  padding:0.75rem 0.75rem 0.75rem 0;
}
.input-wrap input::placeholder, .input-wrap textarea::placeholder { color:var(--text-muted); }
.textarea-wrap { align-items:flex-start; }
.textarea-wrap i { padding-top:0.8rem; }
textarea { resize:none; }

.form-submit {
  width:100%; margin-top:1.25rem;
  display:flex; align-items:center; justify-content:center; gap:0.5rem;
  background:linear-gradient(135deg,var(--primary),var(--primary-l));
  color:#fff;
  font-size:0.9rem; font-weight:700;
  padding:0.95rem;
  border-radius:var(--radius);
  transition:all var(--transition);
  box-shadow:0 4px 20px rgba(108,99,255,0.25);
}
.form-submit:hover {
  background:linear-gradient(135deg,var(--primary-d),var(--primary));
  box-shadow:0 10px 30px rgba(108,99,255,0.4);
  transform:translateY(-2px);
}
.form-submit:disabled { opacity:0.7; cursor:not-allowed; transform:none; }
.form-submit i { font-size:1.1rem; }

.form-status {
  text-align:center; font-size:0.85rem;
  margin-top:0.75rem; padding:0.6rem;
  border-radius:var(--radius-sm);
}
.form-status.hidden { display:none; }
.form-status.success { background:rgba(34,197,94,0.1); color:#4ADE80; }
.form-status.error   { background:rgba(239,68,68,0.1);  color:#F87171; }

/* ── ========================================================
   FOOTER
   ======================================================== ── */
.footer {
  padding:1.75rem 0;
  background:var(--bg-2);
  border-top:1px solid var(--border);
  transition:background var(--transition);
}
.footer-inner {
  display:flex;
  align-items:center; justify-content:space-between;
  flex-wrap:wrap; gap:1rem;
}
.footer-copy { font-size:0.83rem; color:var(--text-muted); }
.footer-copy strong { color:var(--text); }
.footer-built { font-size:0.8rem; color:var(--text-muted); }
.heart { color:#EF4444; animation:pulse 2s ease-in-out infinite; }
.footer-links { display:flex; gap:1rem; }
.footer-links a { color:var(--text-muted); font-size:1.2rem; transition:color var(--transition); }
.footer-links a:hover { color:var(--primary); }

/* ── Scroll to Top ── */
.scroll-top-btn {
  position:fixed; bottom:1.5rem; right:1.5rem; z-index:99;
  width:46px; height:46px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff; font-size:1.4rem;
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 6px 20px rgba(108,99,255,0.4);
  transition:all var(--transition);
  opacity:0; visibility:hidden; transform:translateY(20px);
}
.scroll-top-btn.visible {
  opacity:1; visibility:visible; transform:translateY(0);
}
.scroll-top-btn:hover {
  transform:translateY(-4px);
  box-shadow:0 12px 28px rgba(108,99,255,0.5);
}

/* ── ========================================================
   SCROLL REVEAL
   ======================================================== ── */
.reveal {
  opacity:0; transform:translateY(36px);
  transition:opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity:1; transform:translateY(0);
}

/* ── ========================================================
   RESPONSIVE — TABLET (max 900px)
   ======================================================== ── */
@media (max-width: 900px) {

  .nav-links { display:none; }
  .hamburger-btn { display:flex; }

  .hero-container {
    grid-template-columns:1fr;
    text-align:center;
    gap:2.5rem;
  }
  .hero-text { align-items:center; }
  .hero-subtitle { justify-content:center; }
  .hero-btns { justify-content:center; }
  .hero-socials { justify-content:center; }
  .hero-desc { text-align:left; }
  .hero-image { justify-content:center; }

  .about-grid { grid-template-columns:1fr; gap:2rem; }

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

  .edu-grid { grid-template-columns:1fr; gap:2rem; }

  .contact-grid { grid-template-columns:1fr; gap:2rem; }

  .footer-inner { justify-content: center; text-align:center; flex-direction:column; }
}

/* ── MOBILE (max 640px) ── */
@media (max-width: 640px) {

  .section { padding:4rem 0; }

  .nav-container { padding:0 1rem; }
  .btn-resume span { display:none; }
  .btn-resume { padding:0.55rem 0.8rem; }

  .hero-section { padding:4.5rem 1rem 2rem; }
  .hero-name { font-size:clamp(2rem,9vw,3rem); }

  .float-badge { display:none; }
  .profile-wrapper { width:min(260px,75vw); height:min(260px,75vw); }

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

  .form-row { grid-template-columns:1fr; }

  .proj-footer { flex-direction:column; }
  .proj-num { font-size:3rem; top:0.75rem; right:1rem; }

  .section-title { font-size:1.75rem; }

  .stats-grid { grid-template-columns:1fr 1fr; }
  .personal-grid { grid-template-columns:1fr; }

  .scroll-indicator-wrap { display:none; }

  .contact-form { padding:1.25rem; }
}

/* ── VERY SMALL (max 400px) ── */
@media (max-width: 400px) {
  .hero-btns { flex-direction:column; }
  .btn-primary, .btn-outline { width:100%; justify-content:center; }
  .skills-grid { grid-template-columns:1fr; }
  .stats-grid { grid-template-columns:1fr; }
}