/* ===========================================================
   DESIGN SYSTEM — Precision Cloud Engineering & Minimalist IT
   =========================================================== */
:root {
  --bg-primary: #08090d;
  --bg-secondary: #0e1117;
  --bg-card: #12151e;
  --bg-hover: rgba(255, 255, 255, 0.04);

  --text-primary: #f3f5f8;
  --text-secondary: #949ca9;
  --text-muted: #676f7e;
  --text-dim: #444b58;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.2);
  --border-accent: rgba(56, 189, 248, 0.35);

  --accent-cyan: #38bdf8;
  --accent-blue: #60a5fa;
  --accent-green: #22c55e;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --container-max: 1140px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
}

/* Base Reset (Natural OS Cursor) */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

/* Subtle Texture Overlay */
.noise-overlay {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image: url('data:image/svg+xml,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="noiseFilter"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.8" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23noiseFilter)" opacity="0.025"/%3E%3C/svg%3E');
}

/* ===========================================================
   TYPOGRAPHY & UTILITIES
   =========================================================== */
.font-mono {
  font-family: var(--font-mono);
}

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

.text-dim {
  color: var(--text-dim);
}

.text-gradient {
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 60%, #94a3b8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.mt-4 {
  margin-top: 1.5rem;
}

.mt-6 {
  margin-top: 2rem;
}

.mt-8 {
  margin-top: 3rem;
}

.mb-4 {
  margin-bottom: 1.5rem;
}

/* ===========================================================
   NAVIGATION (DESKTOP VS MOBILE)
   =========================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 70px;
  display: flex;
  align-items: center;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(8, 9, 13, 0.85);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  display: inline-flex;
  align-items: baseline;
  text-decoration: none;
}

.brand-name {
  color: var(--text-primary);
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-item {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.25s ease;
}

.nav-item:hover {
  color: var(--text-primary);
}

/* Menu button: STRICTLY HIDDEN ON DESKTOP & LAPTOP */
.menu-btn {
  display: none !important;
}

/* Mobile Menu Overlay */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(8, 9, 13, 0.98);
  backdrop-filter: blur(20px);
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 100px 30px 40px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-smooth);
}

.mobile-menu.active {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.mobile-link {
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
}

.mobile-menu-footer {
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

/* MOBILE MEDIA QUERY ONLY */
@media (max-width: 800px) {
  .nav-links {
    display: none !important;
  }

  .menu-btn {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.825rem;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
  }

  .menu-btn:hover {
    border-color: var(--border-hover);
    background: rgba(255, 255, 255, 0.04);
  }
}

/* ===========================================================
   BUTTONS & LINKS
   =========================================================== */
a {
  color: inherit;
  text-decoration: none;
}

.link-hover {
  position: relative;
  display: inline-block;
}

.link-hover::after {
  content: '';
  position: absolute;
  width: 100%;
  transform: scaleX(0);
  height: 1px;
  bottom: -2px;
  left: 0;
  background-color: var(--accent-cyan);
  transform-origin: bottom right;
  transition: transform 0.3s var(--ease-smooth);
}

.link-hover:hover::after {
  transform: scaleX(1);
  transform-origin: bottom left;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.25s var(--ease-smooth);
  border: none;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background-color: #f3f5f8;
  color: #08090d;
}

.btn-primary:hover {
  background-color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.15);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

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

.copy-tag {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.magnetic {
  display: inline-block;
}

/* ===========================================================
   LAYOUT & GRID
   =========================================================== */
main {
  position: relative;
  z-index: 2;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
  width: 100%;
}

.border-top {
  border-top: 1px solid var(--border-subtle);
}

.pt-8 {
  padding-top: 5rem;
}

.pb-12 {
  padding-bottom: 7rem;
}

.section {
  padding: 80px 0;
}

.grid-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
}

.col-heading {
  position: sticky;
  top: 100px;
  align-self: start;
}

.section-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  display: block;
  margin-bottom: 4px;
}

.section-title {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

@media (max-width: 800px) {
  .grid-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .col-heading {
    position: static;
  }
}

/* ===========================================================
   HERO SECTION
   =========================================================== */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding-top: 130px;
  padding-bottom: 60px;
}

.hero-tag-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.775rem;
  color: var(--accent-green);
  background: rgba(34, 197, 94, 0.08);
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid rgba(34, 197, 94, 0.25);
}

.pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-green);
  box-shadow: 0 0 6px var(--accent-green);
}

.hero-meta {
  font-family: var(--font-mono);
  font-size: 0.775rem;
  color: var(--text-muted);
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 4.25rem);
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: -0.035em;
  margin-bottom: 24px;
  max-width: 960px;
}

.hero-lead {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 1.65;
  color: var(--text-secondary);
  font-weight: 300;
  max-width: 820px;
  margin-bottom: 36px;
}

.hero-lead strong {
  color: var(--text-primary);
  font-weight: 500;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.btn-arrow {
  display: inline-block;
  transition: transform 0.25s ease;
}

.btn-primary:hover .btn-arrow {
  transform: translateY(2px);
}

/* ===========================================================
   01. ABOUT SECTION
   =========================================================== */
.about-lead {
  font-size: clamp(1.15rem, 1.6vw, 1.4rem);
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: 16px;
}

.about-body {
  font-size: 0.95rem;
  line-height: 1.7;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.spec-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 18px;
  transition: border-color 0.25s ease;
}

.spec-box:hover {
  border-color: var(--border-hover);
}

.spec-kicker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 6px;
}

.spec-value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.spec-sub {
  font-size: 0.8rem;
  line-height: 1.4;
}

/* ===========================================================
   02. TECHNICAL STACK
   =========================================================== */
.stack-categories {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.stack-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  transition: border-color 0.25s ease;
}

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

.stack-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.cat-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
}

.cat-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
}

.stack-pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.stack-pill {
  font-family: var(--font-mono);
  font-size: 0.775rem;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.stack-pill:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.stack-pill.highlight {
  border-color: rgba(56, 189, 248, 0.25);
  background: rgba(56, 189, 248, 0.05);
  color: var(--text-primary);
}

/* ===========================================================
   03. PROJECTS
   =========================================================== */
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: clamp(24px, 3.5vw, 36px);
  position: relative;
  transition: border-color 0.3s ease;
}

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

.project-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.project-badge-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.badge-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.725rem;
  color: var(--accent-green);
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.25);
  padding: 3px 10px;
  border-radius: 20px;
}

.badge-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--accent-green);
}

.project-year {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.project-action-links {
  display: flex;
  gap: 12px;
}

.link-btn {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-secondary);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
}

.link-btn:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.link-btn.primary-link {
  border-color: rgba(56, 189, 248, 0.3);
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.06);
}

.link-btn.primary-link:hover {
  border-color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.12);
}

.project-name {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.project-tagline {
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.project-desc {
  font-size: 0.925rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* Interactive Engineering Box */
.project-interactive-box {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 18px;
  margin-bottom: 24px;
}

.interactive-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 10px;
}

.proj-tab {
  background: none;
  border: 1px solid transparent;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.775rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.proj-tab:hover {
  color: var(--text-primary);
}

.proj-tab.active {
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.3);
  color: var(--accent-cyan);
}

.tab-content {
  animation: fadeIn 0.3s ease;
}

.tab-content.hidden {
  display: none;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }

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

.tech-flow-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.flow-step {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.step-tag {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
}

.flow-step p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.specs-mini-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

.mini-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 2px;
}

.mini-val {
  font-size: 0.85rem;
  color: var(--text-primary);
}

.traffic-pulse-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.775rem;
  margin-bottom: 12px;
}

.pulse-node {
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

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

.latency-readout {
  font-family: var(--font-mono);
  font-size: 0.775rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.ping-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--accent-green);
  animation: ping 1.5s infinite;
}

@keyframes ping {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.3;
  }
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

/* Template Slot */
.project-slot {
  border-style: dashed;
  background: transparent;
}

.badge-slot {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  color: var(--text-muted);
  border: 1px dashed var(--border-subtle);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.slot-name {
  color: var(--text-secondary);
}

/* ===========================================================
   04. CERTIFICATIONS & CREDENTIALS
   =========================================================== */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  align-items: stretch;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  transition: all 0.25s var(--ease-smooth);
}

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

.cert-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}

.cert-meta-left {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cert-issuer {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 500;
}

.cert-id {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
}

.cert-date {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.cert-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.35;
}

.cert-desc {
  font-size: 0.85rem;
  line-height: 1.5;
  margin-bottom: 20px;
  flex-grow: 1;
}

.cert-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: auto;
}

.cert-actions .link-btn {
  flex: 1 1 130px;
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  font-size: 0.75rem;
  white-space: nowrap;
}

/* ===========================================================
   05. ACHIEVEMENTS & MILESTONES (MODERN STACKED SHOWCASE)
   =========================================================== */
.achievements-stacked-layout {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.col-content-full {
  width: 100%;
}

.achieve-showcase {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: clamp(20px, 4vw, 36px);
  position: relative;
}

.achieve-nav-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding-bottom: 16px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.achieve-nav-tabs::-webkit-scrollbar {
  display: none !important;
}

.achieve-tab-btn {
  font-family: var(--font-mono);
  font-size: 0.775rem;
  padding: 8px 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.25s var(--ease-smooth);
}

.achieve-tab-btn:hover {
  border-color: rgba(56, 189, 248, 0.35);
  color: var(--text-primary);
  background: rgba(56, 189, 248, 0.04);
}

.achieve-tab-btn.active {
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.6);
  color: var(--accent-cyan);
  font-weight: 500;
  box-shadow: 0 4px 14px rgba(56, 189, 248, 0.12);
}

.achieve-slide {
  display: flex;
  flex-direction: column;
  gap: 20px;
  animation: fadeIn 0.35s ease;
}

.achieve-slide.hidden {
  display: none;
}

.achieve-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  flex-wrap: wrap;
}

.achieve-title-box {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.achieve-issuer-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.achieve-heading {
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.achieve-tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.775rem;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 4px 12px;
  border-radius: 20px;
  width: fit-content;
}

.achieve-full-desc {
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.achieve-photo-frame {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: clamp(28px, 4vw, 44px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 260px;
  overflow: hidden;
  transition: all 0.3s var(--ease-smooth);
}

.achieve-photo-frame::before {
  content: '';
  position: absolute;
  inset: -15px;
  background-image: var(--bg-img);
  background-size: cover;
  background-position: center;
  filter: blur(14px) brightness(0.3) saturate(1.3);
  transform: scale(1.1);
  transition: transform 0.5s ease, filter 0.5s ease;
  z-index: 1;
}

.achieve-photo-frame:hover::before {
  transform: scale(1.15);
  filter: blur(10px) brightness(0.35) saturate(1.4);
}

.achieve-photo-frame:hover {
  border-color: rgba(56, 189, 248, 0.45);
}

.achieve-photo-card {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: clamp(24px, 3.5vw, 36px);
  background: rgba(8, 12, 22, 0.78);
  border: 1px dashed rgba(56, 189, 248, 0.3);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 680px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.achieve-photo-card:hover {
  border-color: rgba(56, 189, 248, 0.6);
  transform: translateY(-2px);
}

.achieve-photo-icon {
  font-size: 3rem;
  opacity: 0.95;
  filter: drop-shadow(0 4px 12px rgba(56, 189, 248, 0.25));
}

.achieve-photo-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.achieve-photo-sub {
  font-family: var(--font-mono);
  font-size: 0.775rem;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.achieve-footer-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.achieve-arrows {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.achieve-arrow-btn {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 8px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.achieve-arrow-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.achieve-preview-icon {
  font-size: 2.4rem;
  margin-bottom: 12px;
  opacity: 0.85;
}

.achieve-preview-org {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: 4px;
}

.achieve-preview-meta {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  color: var(--text-dim);
}

/* ===========================================================
   06. CONTACT SECTION
   =========================================================== */
.contact-card {
  background: rgba(0, 0, 0, 0.212);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: clamp(32px, 5vw, 60px);
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.contact-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-top: 8px;
  margin-bottom: 12px;
}

.contact-subtitle {
  font-size: 1rem;
  max-width: 500px;
  margin: 0 auto 32px;
}

.contact-action-box {
  margin-bottom: 32px;
}

.email-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  transition: all 0.25s var(--ease-smooth);
}

.email-btn:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

.email-address {
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 500;
  color: var(--text-primary);
}

.copy-label {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.contact-links-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.sep {
  color: var(--text-dim);
}

/* ===========================================================
   TOAST NOTIFICATION
   =========================================================== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #151922;
  border: 1px solid var(--accent-cyan);
  color: var(--text-primary);
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
  transition: all 0.25s var(--ease-smooth);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ===========================================================
   FOOTER
   =========================================================== */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 30px 0;
  font-family: var(--font-mono);
  font-size: 0.775rem;
  position: relative;
  z-index: 2;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.back-to-top {
  color: var(--accent-cyan);
}

/* ===========================================================
   BOLD BLACK & WHITE INFINITE MARQUEE BANNER
   =========================================================== */
.marquee-banner {
  width: 100%;
  overflow: hidden;
  user-select: none;
  /* background: black; */
  color: #ffffff;
  padding: 1.8rem 0;
  position: relative;
  z-index: 5;
  margin: 1.5rem 0;
}

.marquee-banner.marquee-dark {
  /* background: black; */
  color: #ffffff;
}

.marquee-track {
  display: flex;
  white-space: nowrap;
  width: max-content;
  animation: marquee-anim 28s linear infinite;
}

.marquee-banner.marquee-dark .marquee-track {
  animation-direction: reverse;
}

.marquee-group {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  padding-right: 2.5rem;
}

.marquee-item {
  font-family: 'Bebas Neue', var(--font-sans);
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
  display: inline-block;
  transform: scale(0.9, 1.45);
  transform-origin: center;
}

.marquee-item.outline {
  -webkit-text-stroke: 1.6px currentColor;
  color: transparent;
}

.marquee-sep {
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: currentColor;
  border-radius: 50%;
  opacity: 0.7;
}

@keyframes marquee-anim {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}