/* ============================================================
   Benjamin Daccione — Portfolio CSS
   Edit the :root variables below to retheme the entire site.
   ============================================================ */

/* ── Design Tokens ─────────────────────────────────────────── */
:root {
  --color-bg:        #0a0e17;
  --color-surface:   #0f1623;
  --color-surface-2: #141c2e;
  --color-border:    #1e2d47;
  --color-accent:    #00d4ff;
  --color-purple:    #7b2fff;
  --color-success:   #00ff88;
  --color-text:      #e2e8f0;
  --color-muted:     #64748b;
  --color-danger:    #ff4757;

  --font-mono:  'Space Mono', monospace;
  --font-body:  'Inter', sans-serif;

  --size-container: 1100px;
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;

  --transition: 0.25s ease;
  --glow-accent: 0 0 20px rgba(0, 212, 255, 0.25);
  --glow-purple: 0 0 20px rgba(123, 47, 255, 0.25);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* ── Utility ────────────────────────────────────────────────── */
.container {
  max-width: var(--size-container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 2.5rem);
}

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

/* ── Fade-in on scroll ──────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: none;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-bg);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: #33dcff;
  box-shadow: var(--glow-accent);
  outline: none;
}

.btn--outline {
  background: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  background: rgba(0, 212, 255, 0.08);
  box-shadow: var(--glow-accent);
  outline: none;
}

.btn--full {
  width: 100%;
  justify-content: center;
}

/* ── Tags ───────────────────────────────────────────────────── */
.tag {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  background: rgba(0, 212, 255, 0.08);
  color: var(--color-accent);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.tag--sm {
  font-size: 0.65rem;
  padding: 0.15rem 0.5rem;
}

/* ── Status dot ─────────────────────────────────────────────── */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot--green {
  background: var(--color-success);
  box-shadow: 0 0 8px var(--color-success);
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* ── Section shared ─────────────────────────────────────────── */
.section {
  padding-block: clamp(5rem, 10vw, 8rem);
}

.section:nth-child(even) {
  background: var(--color-surface);
}

.section__header {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.section__title {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
}

.section__title::after {
  content: '_';
  color: var(--color-accent);
  animation: blink 1.2s step-end infinite;
}

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

/* ================================================================
   NAVIGATION
   ================================================================ */
.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(10, 14, 23, 0.85);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.nav__logo-bracket {
  color: var(--color-purple);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-muted);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  inset-block-end: -2px;
  inset-inline-start: 0.75rem;
  inset-inline-end: 0.75rem;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--color-text);
  outline: none;
}

.nav__link:hover::after,
.nav__link:focus-visible::after {
  transform: scaleX(1);
}

.nav__link--cta {
  color: var(--color-accent);
  border: 1.5px solid rgba(0, 212, 255, 0.4);
  margin-left: 0.5rem;
}

.nav__link--cta:hover,
.nav__link--cta:focus-visible {
  color: var(--color-accent);
  background: rgba(0, 212, 255, 0.08);
  border-color: var(--color-accent);
}

.nav__link--cta::after {
  display: none;
}

/* Hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
}

.nav__toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ================================================================
   HERO
   ================================================================ */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-block-start: 80px;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.6;
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  opacity: 0.8;
}

.hero__name {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.75rem;
}

.hero__title {
  font-family: var(--font-mono);
  font-size: clamp(0.8rem, 2vw, 1rem);
  color: var(--color-muted);
  letter-spacing: 0.05em;
  margin-bottom: 2rem;
}

.hero__tagline {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--color-text);
  margin-bottom: 2.5rem;
  min-height: 1.8em;
}

.hero__tagline-static {
  color: var(--color-accent);
}

.hero__cursor {
  color: var(--color-accent);
  animation: blink 0.8s step-end infinite;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.hero__status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
}

.hero__scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-muted);
  font-size: 0.65rem;
  font-family: var(--font-mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: scroll-bounce 2s infinite;
}

.hero__scroll-dot {
  animation: scroll-dot 2s infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

@keyframes scroll-dot {
  0%    { cy: 7; opacity: 1; }
  100%  { cy: 17; opacity: 0; }
}

/* ================================================================
   ABOUT
   ================================================================ */
.about__grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.about__avatar-wrap {
  position: relative;
  width: 160px;
  flex-shrink: 0;
}

.about__avatar-initials {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-surface-2), var(--color-border));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  position: relative;
  z-index: 1;
}

.about__avatar-img {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  position: relative;
  z-index: 1;
}

.about__avatar-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid var(--color-accent);
  opacity: 0.4;
  animation: ring-spin 8s linear infinite;
}

@keyframes ring-spin {
  from { transform: rotate(0deg); border-top-color: transparent; }
  to   { transform: rotate(360deg); border-top-color: transparent; }
}

.about__intro {
  font-size: 1.15rem;
  color: var(--color-text);
  font-weight: 500;
  margin-bottom: 1.25rem;
  border-left: 3px solid var(--color-accent);
  padding-left: 1rem;
}

.about__bio p {
  color: rgba(226, 232, 240, 0.8);
  margin-bottom: 1rem;
}

.about__currently {
  margin-top: 1.75rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.about__currently-title {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.about__currently-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.about__currently-list li {
  font-size: 0.9rem;
  color: rgba(226, 232, 240, 0.75);
  padding-left: 1rem;
  position: relative;
}

.about__currently-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.about__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

.about__meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.about__meta-item svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ================================================================
   EXPERIENCE / TIMELINE
   ================================================================ */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-purple), transparent);
}

.timeline__item {
  position: relative;
  margin-bottom: 2.5rem;
}

.timeline__item:last-child {
  margin-bottom: 0;
}

.timeline__dot {
  position: absolute;
  left: -2.45rem;
  top: 1.5rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-bg);
  box-shadow: 0 0 12px var(--color-accent);
}

.timeline__card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.timeline__card:hover {
  border-color: rgba(0, 212, 255, 0.35);
  box-shadow: var(--glow-accent);
}

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

.timeline__role {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
}

.timeline__company {
  font-size: 0.875rem;
  color: var(--color-accent);
  margin-top: 0.2rem;
}

.timeline__date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-muted);
  white-space: nowrap;
  margin-top: 0.3rem;
}

.timeline__bullets {
  margin-bottom: 1rem;
}

.timeline__bullets li {
  font-size: 0.9rem;
  color: rgba(226, 232, 240, 0.8);
  padding: 0.25rem 0 0.25rem 1.25rem;
  position: relative;
}

.timeline__bullets li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-size: 0.75rem;
  top: 0.35rem;
}

.timeline__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* ================================================================
   CERTIFICATIONS
   ================================================================ */
.certs__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.cert-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  position: relative;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  overflow: hidden;
}

.cert-card:hover {
  transform: translateY(-4px);
}

.cert-card--earned:hover {
  border-color: rgba(0, 255, 136, 0.4);
  box-shadow: 0 0 24px rgba(0, 255, 136, 0.15);
}

.cert-card--progress:hover {
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: var(--glow-accent);
}

.cert-card--next:hover {
  border-color: rgba(123, 47, 255, 0.4);
  box-shadow: var(--glow-purple);
}

.cert-card__badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-weight: 700;
}

.cert-card__badge--earned {
  background: rgba(0, 255, 136, 0.12);
  color: var(--color-success);
  border: 1px solid rgba(0, 255, 136, 0.3);
}

.cert-card__badge--progress {
  background: rgba(0, 212, 255, 0.1);
  color: var(--color-accent);
  border: 1px solid rgba(0, 212, 255, 0.25);
}

.cert-card__badge--next {
  background: rgba(123, 47, 255, 0.1);
  color: var(--color-purple);
  border: 1px solid rgba(123, 47, 255, 0.25);
}

.cert-card__icon {
  margin-bottom: 0.5rem;
}

.cert-card__name {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
}

.cert-card__issuer {
  font-size: 0.8rem;
  color: var(--color-muted);
}

.cert-card__year {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-success);
}

.cert-card__desc {
  font-size: 0.85rem;
  color: rgba(226, 232, 240, 0.65);
  margin-top: 0.5rem;
  line-height: 1.5;
}

.cert-card__progress-wrap {
  margin-top: 0.5rem;
}

.cert-card__progress-bar {
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 0.35rem;
}

.cert-card__progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-purple));
  border-radius: 2px;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.cert-card__progress-label {
  font-size: 0.72rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
}

.cert-card__next-list {
  margin-top: 0.5rem;
}

.cert-card__next-list li {
  font-size: 0.85rem;
  color: rgba(226, 232, 240, 0.7);
  padding: 0.25rem 0;
  padding-left: 1rem;
  position: relative;
}

.cert-card__next-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--color-purple);
}

/* ================================================================
   PROJECTS
   ================================================================ */
.projects__filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  padding: 0.4rem 1rem;
  border-radius: 4px;
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  background: transparent;
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn:focus-visible {
  color: var(--color-text);
  border-color: var(--color-accent);
  outline: none;
}

.filter-btn--active {
  background: rgba(0, 212, 255, 0.1);
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.project-card:hover {
  border-color: rgba(0, 212, 255, 0.35);
  box-shadow: var(--glow-accent);
  transform: translateY(-4px);
}

.project-card[hidden] {
  display: none;
}

.project-card__category {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.project-card__title {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
}

.project-card__desc {
  font-size: 0.875rem;
  color: rgba(226, 232, 240, 0.75);
  line-height: 1.6;
  flex: 1;
}

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

.project-card__links {
  display: flex;
  gap: 1rem;
  margin-top: 0.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-muted);
  transition: color var(--transition);
}

.project-card__link:hover,
.project-card__link:focus-visible {
  color: var(--color-accent);
  outline: none;
}

.projects__note {
  margin-top: 2rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* ================================================================
   SKILLS
   ================================================================ */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.skill-group {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.skill-group__title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-group__icon {
  font-size: 0.75rem;
}

.skill-group__list {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.skill-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.skill-item__name {
  font-size: 0.85rem;
  color: rgba(226, 232, 240, 0.85);
}

.skill-item__bar {
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  overflow: hidden;
}

.skill-item__fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--color-accent), var(--color-purple));
  border-radius: 2px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-item__fill.animated {
  width: var(--fill);
}

.skills__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.skill-badge {
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: rgba(123, 47, 255, 0.08);
  color: var(--color-purple);
  border: 1px solid rgba(123, 47, 255, 0.2);
  transition: all var(--transition);
}

.skill-badge:hover {
  background: rgba(123, 47, 255, 0.15);
  border-color: rgba(123, 47, 255, 0.4);
  box-shadow: var(--glow-purple);
}

/* ================================================================
   BLOG
   ================================================================ */
.blog__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.blog-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.blog-card:hover {
  border-color: rgba(123, 47, 255, 0.35);
  box-shadow: var(--glow-purple);
  transform: translateY(-4px);
}

.blog-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.blog-card__tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background: rgba(123, 47, 255, 0.1);
  color: var(--color-purple);
  border: 1px solid rgba(123, 47, 255, 0.2);
}

.blog-card__date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-muted);
}

.blog-card__title {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.4;
}

.blog-card__excerpt {
  font-size: 0.875rem;
  color: rgba(226, 232, 240, 0.7);
  line-height: 1.6;
  flex: 1;
}

.blog-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  transition: gap var(--transition);
  margin-top: auto;
}

.blog-card__link:hover,
.blog-card__link:focus-visible {
  gap: 0.65rem;
  outline: none;
}

.blog__cta {
  text-align: center;
  margin-top: 2.5rem;
}

/* ================================================================
   CONTACT
   ================================================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.contact__note {
  font-size: 1.05rem;
  color: rgba(226, 232, 240, 0.85);
  line-height: 1.7;
  margin-bottom: 2rem;
  border-left: 3px solid var(--color-accent);
  padding-left: 1rem;
}

.contact__links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact__link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--color-muted);
  transition: color var(--transition);
}

.contact__link svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact__link:hover,
.contact__link:focus-visible {
  color: var(--color-text);
  outline: none;
}

/* Form */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  text-transform: uppercase;
}

.form-input {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}

.form-input::placeholder {
  color: var(--color-muted);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.12);
}

.form-input:invalid:not(:placeholder-shown) {
  border-color: var(--color-danger);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-note {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-muted);
  text-align: center;
}

/* ================================================================
   FOOTER
   ================================================================ */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-block: 3rem;
}

.footer__grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.footer__logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
  display: block;
  margin-bottom: 0.5rem;
}

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

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}

.footer__nav a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-muted);
  transition: color var(--transition);
}

.footer__nav a:hover,
.footer__nav a:focus-visible {
  color: var(--color-accent);
  outline: none;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
}

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

/* ================================================================
   BLOG PAGE (blog/index.html)
   ================================================================ */
.blog-page-hero {
  padding-block: 8rem 4rem;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.blog-page-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  padding-block: 4rem;
}

.blog-page-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-muted);
  transition: color var(--transition);
  margin-bottom: 2rem;
}

.blog-page-back:hover {
  color: var(--color-accent);
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 768px) {
  /* Nav */
  .nav__toggle {
    display: flex;
  }

  .nav__links {
    position: fixed;
    inset-block-start: 64px;
    inset-inline: 0;
    background: rgba(10, 14, 23, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 1.5rem;
    gap: 0.25rem;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
    z-index: 99;
  }

  .nav__links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__link {
    display: block;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
  }

  .nav__link--cta {
    margin-left: 0;
    text-align: center;
  }

  /* About */
  .about__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about__avatar-wrap {
    margin-inline: auto;
  }

  .about__intro {
    border-left: none;
    border-top: 3px solid var(--color-accent);
    padding-left: 0;
    padding-top: 1rem;
    text-align: left;
  }

  .about__meta {
    justify-content: center;
  }

  /* Contact */
  .contact__grid {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer__grid {
    flex-direction: column;
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

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

  .projects__grid,
  .blog__grid {
    grid-template-columns: 1fr;
  }

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

/* ── Focus visible (accessibility) ─────────────────────────── */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* ── Reduced motion ─────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .hero__canvas {
    display: none;
  }

  .fade-in {
    opacity: 1;
    transform: none;
  }
}