/* ==========================================================================
   PORTFOLIO STYLESHEET — PRASI.MY.ID
   Cybersecurity & IT Infrastructure Portfolio
   Fonts: Space Grotesk (Headline), DM Sans (Body)
   Palette: #FFFFFF (bg), #111111 (text/primary), #FF5B3E (accent), 
            #FFD84D (surface), #DEDEDE (border)
   ========================================================================== */

:root {
  --font-headline: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Space Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Strict User Palette */
  --bg: #FFFFFF;
  --text: #111111;
  --primary: #111111;
  --accent: #FF5B3E;
  --surface: #FFD84D;
  --border: #DEDEDE;

  /* Functional derivations */
  --text-secondary: #555555;
  --card-bg: #FFFFFF;
  --card-hover: #F8F9FA;
  --code-bg: #F5F5F5;
  --terminal-bg: #111111;
  --terminal-text: #F1F1F1;
  --shadow-subtle: 0 4px 12px rgba(17, 17, 17, 0.04);
  --shadow-hover: 0 8px 24px rgba(17, 17, 17, 0.08);

  --max-width: 1040px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg);
  color: var(--text);
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  background-color: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Selection */
::selection {
  background-color: var(--surface);
  color: var(--primary);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headline);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text);
}

p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.65;
}

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

code, pre, .mono {
  font-family: var(--font-mono);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.site-logo {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.logo-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent);
  border-radius: 50%;
  display: inline-block;
}

.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.2rem 0.55rem;
  background-color: var(--surface);
  color: var(--primary);
  font-weight: 700;
  border-radius: 999px;
  border: 1px solid rgba(17, 17, 17, 0.12);
  line-height: 1;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  background-color: #0E9F6E;
  border-radius: 50%;
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.35); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
}

.nav-link span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
}

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

.nav-cta-btn {
  font-family: var(--font-headline);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.45rem 0.9rem;
  background: var(--primary);
  color: #FFFFFF;
  border-radius: var(--radius-sm);
  border: 1px solid var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition);
}

.nav-cta-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text);
}

/* ==========================================================================
   BUTTONS & BADGES
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-headline);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
}

.btn-primary:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 91, 62, 0.25);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: var(--primary);
  background-color: var(--card-hover);
  transform: translateY(-2px);
}

.btn-accent {
  background-color: var(--accent);
  color: #FFFFFF;
  border-color: var(--accent);
}

.btn-accent:hover {
  background-color: #e04a2f;
  transform: translateY(-2px);
}

.btn-surface {
  background-color: var(--surface);
  color: var(--primary);
  border-color: rgba(17, 17, 17, 0.15);
}

.btn-surface:hover {
  background-color: #ffd233;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8125rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  background: var(--code-bg);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  line-height: 1.2;
}

.tag-accent {
  background: rgba(255, 91, 62, 0.1);
  color: var(--accent);
  border-color: rgba(255, 91, 62, 0.3);
  font-weight: 700;
}

.tag-surface {
  background: var(--surface);
  color: var(--primary);
  border-color: rgba(17, 17, 17, 0.1);
  font-weight: 700;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding: 5rem 0 3.5rem;
  border-bottom: 1px solid var(--border);
  position: relative;
  background: radial-gradient(circle at top right, rgba(255, 216, 77, 0.12) 0%, transparent 60%);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.4rem, 5.5vw, 3.85rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
  max-width: 820px;
}

.hero-title .text-highlight {
  position: relative;
  display: inline-block;
  background: linear-gradient(180deg, transparent 65%, var(--surface) 65%);
}

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

.hero-desc {
  font-size: 1.15rem;
  line-height: 1.6;
  max-width: 680px;
  margin-bottom: 2rem;
  color: var(--text);
  font-weight: 400;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
}

/* Quick Metrics Bar */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px dashed var(--border);
}

.metric-item {
  border-left: 2px solid var(--accent);
  padding-left: 0.85rem;
}

.metric-item:nth-child(2) {
  border-left-color: var(--surface);
}

.metric-item:nth-child(3) {
  border-left-color: var(--primary);
}

.metric-item:nth-child(4) {
  border-left-color: var(--border);
}

.metric-val {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  display: block;
}

.metric-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ==========================================================================
   SECTION COMMON
   ========================================================================== */
.section {
  padding: 4.5rem 0;
  border-bottom: 1px solid var(--border);
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2.75rem;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.25rem);
  letter-spacing: -0.035em;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 600px;
}

/* ==========================================================================
   SKILLS & DOMAINS GRID
   ========================================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.skill-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  position: relative;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.skill-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-subtle);
}

.skill-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.skill-card-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(255, 91, 62, 0.08);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
}

.skill-card-icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: #FAFAFA;
  border: 1px solid var(--border);
  color: var(--primary);
}

.skill-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.65rem;
  letter-spacing: -0.02em;
}

.skill-card p {
  font-size: 0.9375rem;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px dashed var(--border);
}

.skill-tag-pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  background: #F6F6F6;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--primary);
  font-weight: 500;
}

/* ==========================================================================
   PROJECTS SECTION
   ========================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.project-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.project-card:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.project-meta-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.project-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.03em;
}

.badge-defensive {
  background: rgba(17, 17, 17, 0.08);
  color: var(--primary);
}

.badge-offensive {
  background: rgba(255, 91, 62, 0.12);
  color: var(--accent);
}

.badge-infra {
  background: var(--surface);
  color: var(--primary);
}

.project-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.65rem;
  letter-spacing: -0.02em;
}

.project-card p {
  font-size: 0.9375rem;
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.project-keypoints {
  list-style: none;
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.project-keypoints li {
  font-size: 0.875rem;
  color: var(--text);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.project-keypoints li::before {
  content: "→";
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: bold;
}

.project-footer {
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.project-link {
  font-family: var(--font-headline);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.project-link:hover {
  color: var(--accent);
}

/* ==========================================================================
   EXPERIENCE / TRACK RECORD
   ========================================================================== */
.experience-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.experience-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  background: var(--card-bg);
  transition: var(--transition);
}

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

.exp-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.85rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.exp-role-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
}

.exp-org {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.exp-period {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  background: var(--code-bg);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  color: var(--text);
}

.exp-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.85rem;
}

.exp-highlights li {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  position: relative;
  padding-left: 1.25rem;
}

.exp-highlights li::before {
  content: "▪";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 1rem;
  line-height: 1.2;
}

/* ==========================================================================
   CERTIFICATIONS & HIGHLIGHTS
   ========================================================================== */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.cert-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  background: var(--card-bg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
}

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

.cert-issuer {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.cert-name {
  font-family: var(--font-headline);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.cert-status {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  margin-top: 0.5rem;
  font-weight: 600;
}

.cert-status.verified {
  color: #0E9F6E;
}

.cert-status.progress {
  color: #B45309;
}

/* ==========================================================================
   INTERACTIVE CYBER TERMINAL
   ========================================================================== */
.terminal-wrapper {
  background: var(--terminal-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(17, 17, 17, 0.15);
}

.terminal-header {
  background: #1C1C1C;
  border-bottom: 1px solid #2B2B2B;
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.terminal-dots {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

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

.dot-red { background: #FF5B3E; }
.dot-yellow { background: #FFD84D; }
.dot-green { background: #0E9F6E; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #888888;
}

.terminal-body {
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--terminal-text);
  min-height: 240px;
  max-height: 380px;
  overflow-y: auto;
  line-height: 1.6;
}

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

.terminal-output p {
  color: #CCCCCC;
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
}

.terminal-highlight {
  color: var(--surface);
  font-weight: bold;
}

.terminal-accent {
  color: var(--accent);
  font-weight: bold;
}

.terminal-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.75rem 0 1.25rem;
}

.terminal-chip-btn {
  background: #252525;
  color: #E0E0E0;
  border: 1px solid #383838;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.terminal-chip-btn:hover {
  background: var(--surface);
  color: var(--primary);
  border-color: var(--surface);
}

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

.terminal-prompt-label {
  color: var(--surface);
  font-weight: bold;
  user-select: none;
}

.terminal-input {
  background: transparent;
  border: none;
  outline: none;
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  flex-grow: 1;
}

/* ==========================================================================
   SECURITY / PGP MODAL & CARD
   ========================================================================== */
.security-banner {
  background: #FAFAFA;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.sec-info {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.sec-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid rgba(17, 17, 17, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.pgp-fingerprint-box {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  word-break: break-all;
}

/* Modal styles */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(17, 17, 17, 0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 620px;
  padding: 1.75rem;
  position: relative;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
  transform: translateY(10px);
  transition: transform 0.2s ease;
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  font-size: 1.25rem;
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  color: var(--text-secondary);
}

.modal-close-btn:hover {
  color: var(--accent);
}

.pgp-key-code {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  max-height: 240px;
  overflow-y: auto;
  white-space: pre;
  color: var(--text);
  margin-bottom: 1.25rem;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
}

.contact-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2rem;
}

.contact-channel-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.contact-channel-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.contact-channel-label {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  display: block;
}

.contact-channel-val {
  font-family: var(--font-headline);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.contact-channel-val:hover {
  color: var(--accent);
}

.status-check-card {
  background: #FAFAFA;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.status-badge-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  padding: 2.5rem 0;
  background: #FAFAFA;
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy {
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  gap: 1.25rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

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

/* Toast notification */
.toast-notice {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--primary);
  color: #FFFFFF;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  z-index: 300;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: all 0.25s ease;
  border-left: 3px solid var(--surface);
}

.toast-notice.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 860px) {
  .skills-grid,
  .projects-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

@media (max-width: 680px) {
  .main-nav {
    display: none;
  }

  .main-nav.mobile-active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: #FFFFFF;
    border-bottom: 1px solid var(--border);
    padding: 1.5rem;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    align-items: flex-start;
    gap: 1rem;
  }

  .mobile-menu-toggle {
    display: block;
  }

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

  .hero-section {
    padding: 3.5rem 0 2.5rem;
  }

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

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

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