/* ==========================================================================
   RAOOF.DEVOPS - PORTFOLIO DESIGN SYSTEM & STYLESHEET
   Author: Abdul Raoof V K (Cloud & DevOps Engineer)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CORE VARIABLES & DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette - Deep Dark Terminal & Neon Accents */
  --bg-darker: #04070d;
  --bg-dark: #0b0f19;
  --bg-card: rgba(15, 23, 42, 0.65);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --bg-terminal: #090d16;
  
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --accent-cyan: #00f2fe;
  --accent-blue: #38bdf8;
  --accent-green: #00f5a0;
  --accent-purple: #a855f7;
  --accent-warning: #f59e0b;
  
  --grad-primary: linear-gradient(135deg, #00f2fe 0%, #38bdf8 50%, #00f5a0 100%);
  --grad-accent: linear-gradient(135deg, #a855f7 0%, #6366f1 100%);
  --grad-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);

  --border-card: rgba(255, 255, 255, 0.08);
  --border-cyan: rgba(0, 242, 254, 0.3);
  --border-green: rgba(0, 245, 160, 0.3);

  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);

  --glow-cyan: 0 0 25px rgba(0, 242, 254, 0.25);
  --glow-green: 0 0 25px rgba(0, 245, 160, 0.25);
}

/* --------------------------------------------------------------------------
   2. GLOBAL RESET & BASE STYLES
   -------------------------------------------------------------------------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

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

/* Cyberpunk Background Ambient Lights & Grid */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: 
    radial-gradient(circle at 15% 20%, rgba(0, 242, 254, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 60%, rgba(168, 85, 247, 0.07) 0%, transparent 45%),
    radial-gradient(circle at 50% 85%, rgba(0, 245, 160, 0.06) 0%, transparent 40%);
  pointer-events: none;
  z-index: -2;
}

body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: -1;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-darker);
}

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

/* Container */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Section Header Typography */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.25);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-title {
  font-size: 2.75rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 680px;
  margin-bottom: 3rem;
}

/* Highlight text */
.text-gradient {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

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

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

/* --------------------------------------------------------------------------
   3. HEADER & NAVIGATION BAR
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(4, 7, 13, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-card);
  transition: var(--transition-normal);
}

.navbar .nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}

.brand-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid var(--accent-cyan);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.2rem;
  box-shadow: var(--glow-cyan);
}

/* Nav Links */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 0.5rem 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--accent-cyan);
  transition: var(--transition-fast);
  border-radius: var(--radius-full);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  border: none;
  outline: none;
}

.btn-primary {
  background: var(--grad-primary);
  color: #04070d;
  box-shadow: var(--glow-cyan);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(0, 242, 254, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-card);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

.btn-terminal {
  background: var(--bg-terminal);
  color: var(--accent-green);
  border: 1px solid var(--border-green);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.btn-terminal:hover {
  box-shadow: var(--glow-green);
  transform: translateY(-2px);
}

/* Mobile Hamburger Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.75rem;
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   4. HERO SECTION
   -------------------------------------------------------------------------- */
.hero {
  padding-top: 170px;
  padding-bottom: 100px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

/* Status Badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.4rem 1.1rem;
  background: rgba(0, 245, 160, 0.08);
  border: 1px solid rgba(0, 245, 160, 0.25);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-green);
  margin-bottom: 1.5rem;
}

.pulse-dot {
  width: 10px;
  height: 10px;
  background-color: var(--accent-green);
  border-radius: 50%;
  position: relative;
}

.pulse-dot::after {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border: 2px solid var(--accent-green);
  border-radius: 50%;
  animation: pulse-ring 2s infinite cubic-bezier(0.45, 0, 0.55, 1);
}

@keyframes pulse-ring {
  0% { transform: scale(0.6); opacity: 1; }
  100% { transform: scale(1.8); opacity: 0; }
}

.hero-title {
  font-size: 3.75rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2.25rem;
}

.typing-container {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  font-weight: 600;
}

/* Quick Metrics Row */
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-card);
}

.metric-card {
  background: var(--bg-card);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-card);
  backdrop-filter: blur(10px);
}

.metric-val {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

.metric-lbl {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

/* Hero Visual Graphic */
.hero-visual {
  position: relative;
}

.visual-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.avatar-wrapper {
  position: relative;
  width: 100%;
  max-width: 380px;
  margin: 0 auto;
  aspect-ratio: 1;
}

.floating-badge {
  position: absolute;
  padding: 0.75rem 1.25rem;
  background: rgba(11, 15, 25, 0.9);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  animation: float 4s ease-in-out infinite;
}

.floating-badge.top-left {
  top: -15px;
  left: -20px;
  animation-delay: 0s;
}

.floating-badge.bottom-right {
  bottom: -15px;
  right: -20px;
  border-color: var(--border-green);
  animation-delay: 2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* --------------------------------------------------------------------------
   5. INTERACTIVE TERMINAL SECTION
   -------------------------------------------------------------------------- */
.terminal-section {
  padding: 80px 0;
}

.terminal-window {
  background: var(--bg-terminal);
  border: 1px solid rgba(0, 242, 254, 0.25);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), var(--glow-cyan);
  font-family: var(--font-mono);
}

.terminal-header {
  background: #0f172a;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-card);
}

.terminal-dots {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }

.terminal-title {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.terminal-body {
  padding: 1.5rem;
  min-height: 320px;
  max-height: 480px;
  overflow-y: auto;
  font-size: 0.95rem;
  line-height: 1.7;
  color: #e2e8f0;
}

.terminal-output {
  margin-bottom: 1rem;
}

.terminal-line {
  margin-bottom: 0.5rem;
  word-break: break-word;
}

.terminal-prompt {
  color: var(--accent-green);
  font-weight: 700;
  margin-right: 0.6rem;
}

.terminal-input-wrapper {
  display: flex;
  align-items: center;
}

.terminal-input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  flex: 1;
  caret-color: var(--accent-green);
}

.cmd-highlight {
  color: var(--accent-cyan);
  font-weight: bold;
}

/* --------------------------------------------------------------------------
   6. SKILLS & EXPERTISE SECTION
   -------------------------------------------------------------------------- */
.skills-section {
  padding: 100px 0;
  position: relative;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(12px);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.skill-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-cyan);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), var(--glow-cyan);
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--grad-primary);
  opacity: 0;
  transition: var(--transition-fast);
}

.skill-card:hover::before {
  opacity: 1;
}

.skill-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.skill-icon {
  width: 48px;
  height: 48px;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.5rem;
}

.skill-cat-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skill-pill {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.4rem 0.85rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition-fast);
}

.skill-pill:hover {
  background: rgba(0, 242, 254, 0.12);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.skill-pill i {
  color: var(--accent-green);
}

/* --------------------------------------------------------------------------
   7. FEATURED PROJECTS SECTION
   -------------------------------------------------------------------------- */
.projects-section {
  padding: 100px 0;
}

/* Filter Controls */
.project-filters {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-card);
  color: var(--text-muted);
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: rgba(0, 242, 254, 0.12);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 2.25rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(12px);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-cyan);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.5), var(--glow-cyan);
}

.project-banner {
  height: 200px;
  background: var(--bg-terminal);
  border-bottom: 1px solid var(--border-card);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.project-banner-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(0, 242, 254, 0.15) 1px, transparent 1px);
  background-size: 20px 20px;
}

.project-banner-icon {
  font-size: 3.5rem;
  color: var(--accent-cyan);
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0 15px rgba(0, 242, 254, 0.5));
}

.project-badge-top {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: rgba(0, 245, 160, 0.15);
  border: 1px solid var(--accent-green);
  color: var(--accent-green);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
}

.project-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

.project-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex: 1;
}

.project-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--accent-cyan);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
}

.project-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: auto;
}

/* --------------------------------------------------------------------------
   8. SERVICES SECTION
   -------------------------------------------------------------------------- */
.services-section {
  padding: 100px 0;
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  backdrop-filter: blur(12px);
  transition: var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-green);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), var(--glow-green);
}

.service-icon-box {
  width: 54px;
  height: 54px;
  background: rgba(0, 245, 160, 0.1);
  border: 1px solid var(--accent-green);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-green);
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--glow-green);
}

.service-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
}

.service-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   9. CONTACT US SECTION
   -------------------------------------------------------------------------- */
.contact-section {
  padding: 100px 0 120px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
}

.info-icon {
  width: 44px;
  height: 44px;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid var(--accent-cyan);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.25rem;
}

.info-details h4 {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.2rem;
}

.info-details p, .info-details a {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
}

.social-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
}

.social-btn {
  width: 46px;
  height: 46px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  font-size: 1.25rem;
  transition: var(--transition-fast);
}

.social-btn:hover {
  background: var(--accent-cyan);
  color: #04070d;
  box-shadow: var(--glow-cyan);
  transform: translateY(-3px);
}

/* Glass Contact Form */
.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  backdrop-filter: blur(16px);
  position: relative;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  background: rgba(9, 13, 22, 0.8);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.1rem;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-fast);
}

.form-control:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 242, 254, 0.15);
}

textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

/* Toast Message */
.toast-msg {
  display: none;
  padding: 1rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  margin-top: 1rem;
  font-family: var(--font-mono);
}

.toast-msg.success {
  display: block;
  background: rgba(0, 245, 160, 0.15);
  border: 1px solid var(--accent-green);
  color: var(--accent-green);
}

/* --------------------------------------------------------------------------
   10. FOOTER
   -------------------------------------------------------------------------- */
.footer {
  background: #02050a;
  border-top: 1px solid var(--border-card);
  padding: 3rem 0;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-tagline {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  font-size: 0.85rem;
}

/* --------------------------------------------------------------------------
   11. RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .hero-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-title {
    font-size: 3rem;
  }

  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--bg-darker);
    flex-direction: column;
    justify-content: center;
    transition: var(--transition-normal);
  }

  .nav-menu.active {
    left: 0;
  }

  .mobile-toggle {
    display: block;
  }
}

@media (max-width: 600px) {
  .section-title {
    font-size: 2.1rem;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }
}