/* ============================================================
   Syed Ibrahim Ali Kazmi — Portfolio Stylesheet
   Executive Dark & Light Design System
   ============================================================ */

/* ── DESIGN TOKENS & COLOR PALETTE ───────────────────── */
:root {
  /* Common Brand Colors */
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;

  --gradient-primary: linear-gradient(135deg, #06b6d4 0%, #10b981 100%);
  --gradient-alt: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  --gradient-glow: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, rgba(16, 185, 129, 0.05) 50%, transparent 70%);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Fonts */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
}

/* ── DARK THEME (DEFAULT) ──────────────────────────── */
[data-theme="dark"] {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  
  --card-bg: rgba(17, 24, 39, 0.75);
  --card-bg-hover: rgba(31, 41, 55, 0.85);
  --glass-bg: rgba(255, 255, 255, 0.03);
  
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-subtle: #6b7280;

  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(6, 182, 212, 0.35);

  --nav-bg: rgba(11, 15, 25, 0.85);
  --shadow-main: 0 20px 40px -15px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 25px rgba(6, 182, 212, 0.2);

  --code-bg: #0d111c;
  --code-text: #e5e7eb;
}

/* ── LIGHT THEME ───────────────────────────────────── */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-tertiary: #e2e8f0;
  
  --card-bg: rgba(255, 255, 255, 0.9);
  --card-bg-hover: rgba(255, 255, 255, 1);
  --glass-bg: rgba(0, 0, 0, 0.02);
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-subtle: #64748b;

  --border-color: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(6, 182, 212, 0.4);

  --nav-bg: rgba(248, 250, 252, 0.9);
  --shadow-main: 0 15px 35px -10px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 20px rgba(6, 182, 212, 0.15);

  --code-bg: #1e293b;
  --code-text: #f8fafc;
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

::selection {
  background: var(--accent-cyan);
  color: #0b0f19;
}

/* ── CUSTOM CURSOR ─────────────────────────────────── */
@media (pointer: fine) {
  body { cursor: default; }
}

.cursor-dot {
  position: fixed;
  top: 0; left: 0;
  width: 8px; height: 8px;
  background-color: var(--accent-cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s ease, background-color var(--transition-fast);
}

.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  width: 38px; height: 38px;
  border: 1.5px solid var(--accent-cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99998;
  transform: translate(-50%, -50%);
  transition: width var(--transition-fast), height var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.25);
}

body.cursor-hover .cursor-ring {
  width: 54px;
  height: 54px;
  background-color: rgba(6, 182, 212, 0.12);
  border-color: var(--accent-emerald);
}

body.cursor-hover .cursor-dot {
  background-color: var(--accent-emerald);
  transform: translate(-50%, -50%) scale(1.4);
}

/* ── BACKGROUND AMBIENT & SPOTLIGHT CANVAS ─────────── */
.bg-ambient {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.18;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: var(--accent-cyan);
  top: -100px;
  right: -100px;
}

.orb-2 {
  width: 600px;
  height: 600px;
  background: var(--accent-purple);
  bottom: 10%;
  left: -150px;
}

.spotlight-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
}

/* ── SCROLL PROGRESS BAR ───────────────────────────── */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--gradient-primary);
  z-index: 10001;
  box-shadow: var(--shadow-glow);
}

/* ── LAYOUT CONTAINER ──────────────────────────────── */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

.section {
  padding: 6rem 0;
  position: relative;
  z-index: 1;
}

/* ── TYPOGRAPHY & GRADIENTS ────────────────────────── */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-alt {
  background: var(--gradient-alt);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-header {
  margin-bottom: 3.5rem;
  text-align: center;
}

.section-subtitle {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
  letter-spacing: 1px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

/* ── BUTTON SYSTEM ─────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.6rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

.btn-sm {
  padding: 0.55rem 1.1rem;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

.btn-primary {
  background: var(--accent-cyan);
  color: #0b0f19;
}

.btn-primary:hover {
  background: #0284c7;
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(6, 182, 212, 0.35);
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--gradient-primary);
  color: #0b0f19;
  font-weight: 700;
}

.btn-accent:hover {
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: var(--glass-bg);
  transform: translateY(-2px);
}

.btn-ghost {
  background: var(--glass-bg);
  border-color: var(--border-color);
  color: var(--text-muted);
}

.btn-ghost:hover {
  color: var(--text-main);
  border-color: var(--border-hover);
}

.btn-glow {
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.25);
}

.btn-full {
  width: 100%;
}

/* ── NAVBAR & THEME TOGGLE (BUG FIXED) ─────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: padding var(--transition-normal), background-color var(--transition-normal), backdrop-filter var(--transition-normal), border-color var(--transition-normal);
}

.navbar.scrolled {
  padding: 0.85rem 0;
  background-color: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  display: flex;
  align-items: center;
}

.logo-code {
  color: var(--accent-cyan);
}

.logo-dot {
  color: var(--accent-emerald);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.925rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.3rem 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-cyan);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Integrated Theme Switcher inside Nav Container */
.theme-switch {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.theme-switch:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: var(--shadow-glow);
  transform: scale(1.05);
}

.ts-icon {
  font-size: 1.05rem;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

[data-theme="dark"] .ts-sun {
  display: block;
}

[data-theme="dark"] .ts-moon {
  display: none;
}

[data-theme="light"] .ts-sun {
  display: none;
}

[data-theme="light"] .ts-moon {
  display: block;
}

/* Burger Mobile Button */
.burger-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 32px;
  height: 22px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.burger-btn span {
  width: 100%;
  height: 2px;
  background-color: var(--text-main);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.burger-btn.open span:nth-child(1) {
  transform: translateY(10px) rotate(45deg);
}

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

.burger-btn.open span:nth-child(3) {
  transform: translateY(-10px) rotate(-45deg);
}

/* ── HERO SECTION ──────────────────────────────────── */
.hero-section {
  min-height: 100vh;
  padding-top: 8rem;
  padding-bottom: 4rem;
  display: flex;
  align-items: center;
  position: relative;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-emerald);
  margin-bottom: 1.5rem;
}

.status-ping {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulse-ping 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse-ping {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.3); }
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero-role-wrapper {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
  background: var(--glass-bg);
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  width: fit-content;
}

.role-prompt {
  color: var(--accent-emerald);
  font-weight: 700;
}

.role-cursor {
  animation: blink 1s infinite;
  color: var(--accent-cyan);
}

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

.hero-description {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 580px;
}

.hero-description strong {
  color: var(--text-main);
}

.hero-buttons {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.hero-tech-stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.tech-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tech-pills {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.tpill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.825rem;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.tpill:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* Hero Code Window Right Visual */
.hero-visual {
  position: relative;
}

.code-window {
  background: var(--code-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-main);
  overflow: hidden;
  transition: border-color var(--transition-normal);
}

.code-window:hover {
  border-color: var(--border-hover);
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.2rem;
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid var(--border-color);
}

.window-controls {
  display: flex;
  gap: 6px;
}

.wc-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.wc-dot.red { background-color: #ff5f56; }
.wc-dot.yellow { background-color: #ffbd2e; }
.wc-dot.green { background-color: #27c93f; }

.window-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.badge-mini {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  padding: 0.15rem 0.5rem;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border-radius: var(--radius-sm);
}

.code-body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--code-text);
  overflow-x: auto;
}

.code-lines .k { color: #f472b6; } /* keyword */
.code-lines .nc { color: #38bdf8; } /* class */
.code-lines .s { color: #34d399; } /* string */
.code-lines .m { color: #fbbf24; } /* member */
.code-lines .nf { color: #a78bfa; } /* function */

.code-footer {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 1.2rem;
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-subtle);
}

.text-success { color: var(--accent-emerald); }

/* Hero Profile Card (Matches User Photo & Title) */
.hero-avatar-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0.9rem 1.4rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: 1.25rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-main);
  transition: border-color var(--transition-normal);
}

.hero-avatar-card:hover {
  border-color: var(--border-hover);
}

.h-avatar-ring {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 2px solid var(--accent-cyan);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.3);
  overflow: hidden;
  flex-shrink: 0;
}

.h-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.h-profile-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
}

.h-profile-sub {
  font-size: 0.825rem;
  color: var(--accent-cyan);
  font-weight: 500;
}

/* Run Code Button */
.btn-run {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  background: var(--accent-emerald);
  color: #0b0f19;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-run:hover {
  background: #34d399;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.4);
  transform: scale(1.03);
}

/* Terminal Console Output — Full Size & Fullscreen Options */
.code-terminal {
  display: none;
  background: #04070d;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  font-family: var(--font-mono);
  animation: slideDown 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  transition: all 0.3s ease;
}

.code-terminal.fullscreen {
  position: fixed;
  inset: 0;
  z-index: 99999;
  border: none;
  border-radius: 0;
  background: #04070d;
  display: flex;
  flex-direction: column;
}

.code-terminal.fullscreen .terminal-body {
  flex-grow: 1;
  max-height: none;
  font-size: 1rem;
  padding: 2.5rem;
  line-height: 1.8;
}

.terminal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.25rem;
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.terminal-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.term-status {
  font-size: 0.75rem;
  color: var(--accent-emerald);
  font-weight: 700;
  letter-spacing: 0.5px;
}

.term-btn-expand, .term-btn-close {
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all var(--transition-fast);
}

.term-btn-expand:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.1);
}

.term-btn-close {
  font-size: 1.1rem;
  padding: 0.15rem 0.6rem;
}

.term-btn-close:hover {
  border-color: var(--accent-red);
  color: var(--accent-red);
  background: rgba(239, 68, 68, 0.1);
}

.terminal-body {
  padding: 1.25rem 1.5rem;
  font-size: 0.9rem;
  line-height: 1.7;
  min-height: 240px;
  overflow-y: auto;
}

.term-line {
  margin-bottom: 0.35rem;
  word-break: break-all;
}

.term-line.prompt { color: var(--accent-cyan); font-weight: 600; }
.term-line.success { color: var(--accent-emerald); font-weight: 600; }
.term-line.info { color: var(--text-main); }
.term-line.status { color: #fbbf24; font-weight: 600; }
.term-line.divider { color: var(--text-subtle); opacity: 0.6; }

/* Floating Badges (Overlap Bug Fixed) */
.floating-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1.2rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-main);
  animation: float 4s ease-in-out infinite;
  z-index: 2;
}

.badge-1 {
  bottom: -22px;
  left: -25px;
}

.badge-2 {
  bottom: -22px;
  right: -20px;
  animation-delay: 2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.fb-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.fb-text {
  display: flex;
  flex-direction: column;
}

.fb-text strong {
  font-size: 0.95rem;
  color: var(--text-main);
}

.fb-text span {
  font-size: 0.775rem;
  color: var(--text-muted);
}

/* ── ABOUT SECTION ─────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3.5rem;
  align-items: start;
}

.about-profile-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  box-shadow: var(--shadow-main);
  backdrop-filter: blur(12px);
}

.avatar-wrapper {
  position: relative;
  width: 140px;
  height: 140px;
  margin: 0 auto 1.5rem auto;
}

.profile-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--accent-cyan);
  box-shadow: 0 0 25px rgba(6, 182, 212, 0.3);
}

.avatar-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px stroke var(--accent-emerald);
  border-top-color: transparent;
  animation: spin 8s linear infinite;
}

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

.profile-info h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.profile-role {
  font-size: 0.9rem;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
}

.profile-meta {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-align: left;
  background: var(--glass-bg);
  padding: 1rem 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
}

.pm-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.pm-item i {
  color: var(--accent-cyan);
  width: 16px;
}

.profile-socials {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
}

.profile-socials a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.profile-socials a:hover {
  background: var(--accent-cyan);
  color: #0b0f19;
  border-color: var(--accent-cyan);
  transform: translateY(-3px);
}

.about-headline {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  line-height: 1.3;
}

.about-p {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin: 2rem 0;
}

.af-card {
  display: flex;
  gap: 1.25rem;
  padding: 1.2rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

.af-card:hover {
  border-color: var(--border-hover);
}

.af-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(6, 182, 212, 0.12);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.af-card h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.af-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.about-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ── SKILLS SECTION ────────────────────────────────── */
.skills-filter {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.sk-filter-btn {
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sk-filter-btn:hover,
.sk-filter-btn.active {
  background: var(--gradient-primary);
  color: #0b0f19;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.75rem;
}

.skill-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-normal);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
}

.skill-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-main);
}

.sk-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.sk-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(6, 182, 212, 0.12);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.sk-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

.sk-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.sk-meter-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.sk-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}

.sk-bar {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
}

.sk-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 3px;
  transition: width 1s ease-in-out;
}

.sk-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: auto;
}

.sk-tags span {
  font-family: var(--font-mono);
  font-size: 0.775rem;
  padding: 0.25rem 0.65rem;
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
}

.sk-tags-cloud {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.tool-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.9rem;
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.tool-chip:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* ── PROJECTS SECTION ──────────────────────────────── */
.project-filters {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.proj-filter-btn {
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.proj-filter-btn:hover,
.proj-filter-btn.active {
  background: var(--gradient-primary);
  color: #0b0f19;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}

.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-main);
}

.proj-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.proj-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}

.proj-badge.featured {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.3);
  color: var(--accent-emerald);
}

.proj-links a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.proj-links a:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: scale(1.1);
}

.proj-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
}

.accent-green { color: var(--accent-emerald); }
.accent-blue { color: var(--accent-blue); }
.accent-purple { color: var(--accent-purple); }
.accent-amber { color: var(--accent-amber); }
.accent-red { color: var(--accent-red); }
.accent-emerald { color: var(--accent-emerald); }

.proj-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
  line-height: 1.3;
}

.proj-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.proj-stack {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.proj-stack span {
  font-family: var(--font-mono);
  font-size: 0.775rem;
  padding: 0.25rem 0.65rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--accent-cyan);
}

/* ── CONTACT SECTION ───────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.contact-heading {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.contact-subtext {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.contact-card-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-channel-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.2rem 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text-main);
  transition: all var(--transition-fast);
  backdrop-filter: blur(12px);
}

.contact-channel-card:hover {
  border-color: var(--border-hover);
  transform: translateX(4px);
}

.cc-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.icon-email { background: rgba(6, 182, 212, 0.15); color: var(--accent-cyan); }
.icon-whatsapp { background: rgba(16, 185, 129, 0.15); color: var(--accent-emerald); }
.icon-linkedin { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); }
.icon-github { background: rgba(139, 92, 246, 0.15); color: var(--accent-purple); }

.cc-details {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.cc-label {
  font-size: 0.8rem;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cc-value {
  font-size: 0.975rem;
  font-weight: 600;
  word-break: break-all;
}

.copy-btn, .cc-action {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0.4rem;
  transition: color var(--transition-fast);
}

.copy-btn:hover, .cc-action:hover {
  color: var(--accent-cyan);
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-main);
  backdrop-filter: blur(12px);
}

.form-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.input-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-input-wrap i {
  position: absolute;
  left: 1rem;
  color: var(--text-subtle);
  font-size: 1rem;
}

.input-input-wrap input,
.input-input-wrap textarea {
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 2.75rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.textarea-wrap {
  align-items: flex-start;
}

.textarea-wrap i {
  top: 1rem;
}

.input-input-wrap textarea {
  resize: vertical;
}

.input-input-wrap input:focus,
.input-input-wrap textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
}

.form-error {
  display: block;
  font-size: 0.8rem;
  color: var(--accent-red);
  margin-top: 0.35rem;
}

.form-toast {
  display: none;
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-top: 1rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.form-toast.success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent-emerald);
}

/* ── FOOTER ────────────────────────────────────────── */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 3.5rem 0 2rem 0;
}

.footer-container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-logo {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-cyan);
}

.footer-socials {
  display: flex;
  gap: 0.75rem;
}

.footer-socials a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.footer-socials a:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.875rem;
  color: var(--text-subtle);
  flex-wrap: wrap;
  gap: 1rem;
}

/* ── BACK TO TOP ───────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #0b0f19;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 999;
  box-shadow: var(--shadow-glow);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-4px);
}

/* ── RESPONSIVE MEDIA QUERIES ──────────────────────── */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

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

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

@media (max-width: 768px) {
  .section {
    padding: 4rem 0;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    padding: 6rem 2rem 2rem 2rem;
    transition: right var(--transition-normal);
    z-index: 1000;
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .burger-btn {
    display: flex;
  }

  .badge-1, .badge-2 {
    display: none;
  }

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

  .footer-top {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 1rem;
  }

  .hero-section {
    padding-top: 6.5rem;
    padding-bottom: 3rem;
  }

  .hero-title {
    font-size: 2.15rem;
    line-height: 1.2;
  }

  .hero-role-wrapper {
    font-size: 0.95rem;
    padding: 0.5rem 0.85rem;
    width: 100%;
  }

  .hero-description {
    font-size: 0.975rem;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .hero-avatar-card {
    padding: 0.75rem 1rem;
    gap: 0.85rem;
  }

  .h-avatar-ring {
    width: 46px;
    height: 46px;
  }

  .h-profile-name {
    font-size: 0.975rem;
  }

  .h-profile-sub {
    font-size: 0.775rem;
  }

  .code-body {
    padding: 1rem;
    font-size: 0.775rem;
  }

  .code-header {
    padding: 0.65rem 0.85rem;
  }

  .window-title {
    font-size: 0.775rem;
  }

  .btn-run {
    padding: 0.25rem 0.6rem;
    font-size: 0.75rem;
  }

  .section-title {
    font-size: 1.85rem;
  }

  .about-profile-card {
    padding: 1.75rem 1.25rem;
  }

  .contact-form-wrapper {
    padding: 1.5rem 1.25rem;
  }

  .sk-filter-btn, .proj-filter-btn {
    padding: 0.45rem 0.95rem;
    font-size: 0.825rem;
  }

  .back-to-top {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}