/* ============================================================
   AHI Project — Stylesheet
   Light/dark mode · Warm minimal aesthetic
   ============================================================ */

/* --- Color Scheme -------------------------------------------- */
:root {
  color-scheme: light dark;
}

/* --- Light Theme (default) ----------------------------------- */
[data-theme="light"],
:root:not([data-theme]) {
  --color-bg:           #ffffff;
  --color-bg-alt:       #faf9f7;
  --color-surface:      #f7f6f3;
  --color-surface-alt:  #efeeeb;

  --color-border:       #e9e9e7;
  --color-border-light: #f0f0ee;

  --color-text:         #37352f;
  --color-text-muted:   #5c5b57;
  --color-text-faint:   #787774;

  --color-accent:       #37352f;
  --color-accent-hover: #1a1918;
  --color-accent-bg:    #f7f6f3;

  --color-link:         #327da9;
  --color-link-hover:   #245d80;

  --color-green:        #448361;
  --color-orange:       #d9730d;
  --color-blue:         #327da9;

  --color-success:      #448361;
  --color-warning:      #d9730d;
  --color-error:        #c4554d;

  --color-code-bg:      #f7f6f3;
  --color-code-text:    #37352f;
  --color-code-border:  #e9e9e7;

  --shadow-sm:  0 1px 2px rgba(55, 53, 47, 0.04);
  --shadow-md:  0 2px 8px rgba(55, 53, 47, 0.06), 0 1px 2px rgba(55, 53, 47, 0.04);
  --shadow-lg:  0 8px 24px rgba(55, 53, 47, 0.08), 0 2px 8px rgba(55, 53, 47, 0.04);
}

/* --- Dark Theme ---------------------------------------------- */
[data-theme="dark"] {
  --color-bg:           #191919;
  --color-bg-alt:       #1e1e1e;
  --color-surface:      #252525;
  --color-surface-alt:  #2d2d2d;

  --color-border:       #363636;
  --color-border-light: #2d2d2d;

  --color-text:         #e3e2de;
  --color-text-muted:   #b5b4b0;
  --color-text-faint:   #908f8b;

  --color-accent:       #e3e2de;
  --color-accent-hover: #ffffff;
  --color-accent-bg:    #252525;

  --color-link:         #6cb4d9;
  --color-link-hover:   #93c5e8;

  --color-green:        #6cc08c;
  --color-orange:       #f0a050;
  --color-blue:         #6cb4d9;

  --color-success:      #6cc08c;
  --color-warning:      #f0a050;
  --color-error:        #e87c76;

  --color-code-bg:      #252525;
  --color-code-text:    #e3e2de;
  --color-code-border:  #363636;

  --shadow-sm:  0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md:  0 2px 8px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-lg:  0 8px 24px rgba(0, 0, 0, 0.4), 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* --- Design Tokens (shared) ---------------------------------- */
:root {
  --font-sans:  Inter, "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
  --font-serif: "Libre Baskerville", Georgia, "Times New Roman", serif;
  --font-mono:  "SF Mono", "Cascadia Code", "JetBrains Mono", Consolas, "Liberation Mono", monospace;

  --font-size-xs:   0.875rem;
  --font-size-sm:   0.9375rem;
  --font-size-base: 1rem;
  --font-size-md:   1.125rem;
  --font-size-lg:   1.25rem;
  --font-size-xl:   1.563rem;
  --font-size-2xl:  1.953rem;
  --font-size-3xl:  2.441rem;

  --leading-tight:   1.2;
  --leading-snug:    1.4;
  --leading-normal:  1.6;

  --weight-normal:   400;
  --weight-medium:   500;
  --weight-semibold: 600;
  --weight-bold:     700;

  --tracking-tight:  -0.02em;
  --tracking-normal: 0;
  --tracking-wide:   0.025em;
  --tracking-wider:  0.05em;

  --space-1:   0.25rem;
  --space-2:   0.5rem;
  --space-3:   0.75rem;
  --space-4:   1rem;
  --space-5:   1.25rem;
  --space-6:   1.5rem;
  --space-8:   2rem;
  --space-10:  2.5rem;
  --space-12:  3rem;
  --space-16:  4rem;
  --space-20:  5rem;
  --space-24:  6rem;

  --container-max:     56.25rem;  /* 900px — matches AHI original */
  --container-wide:    56.25rem;
  --container-padding: var(--space-6);

  --radius-sm:   0.25rem;
  --radius:      0.3125rem;  /* 5px — matches AHI original */
  --radius-md:   0.5rem;
  --radius-lg:   0.75rem;
  --radius-full: 9999px;

  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, video, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

a:hover {
  color: var(--color-link-hover);
}

/* --- Utility ------------------------------------------------- */
.center { text-align: center; }
.text-accent { color: var(--color-orange); }

/* --- Container ----------------------------------------------- */
.container {
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* --- Global Typography --------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  line-height: var(--leading-tight);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
}

h1 { font-size: var(--font-size-3xl); font-family: var(--font-serif); }
h2 { font-size: var(--font-size-2xl); font-family: var(--font-serif); }
h3 { font-size: var(--font-size-xl); letter-spacing: var(--tracking-normal); }
h4 { font-size: var(--font-size-lg); letter-spacing: var(--tracking-normal); }

p { margin-block-end: var(--space-4); }

.lead {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  opacity: 0.7;
  line-height: var(--leading-normal);
}

/* --- Header -------------------------------------------------- */
.site-header {
  border-block-end: 1px solid var(--color-border);
  padding-block: var(--space-3);
  position: sticky;
  top: 0;
  background-color: var(--color-bg);
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.site-logo {
  font-size: var(--font-size-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: var(--tracking-tight);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.site-logo-icon {
  flex-shrink: 0;
}

.site-logo:hover {
  color: var(--color-text-muted);
}

.site-nav ul {
  display: flex;
  list-style: none;
  gap: var(--space-5);
  padding: 0;
  margin: 0;
}

.site-nav a {
  color: var(--color-text-muted);
  font-weight: var(--weight-normal);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-text);
}

/* --- Theme Toggle -------------------------------------------- */
.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-1);
  cursor: pointer;
  color: var(--color-text-muted);
  transition: color var(--transition-fast), border-color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
}

.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

[data-theme="light"] .icon-sun,
:root:not([data-theme]) .icon-sun { display: none; }
[data-theme="light"] .icon-moon,
:root:not([data-theme]) .icon-moon { display: block; }
[data-theme="dark"] .icon-sun  { display: block; }
[data-theme="dark"] .icon-moon { display: none; }

/* --- Buttons ------------------------------------------------- */
.btn {
  display: inline-block;
  padding: var(--space-2) var(--space-5);
  background-color: var(--color-accent);
  color: var(--color-bg);
  border-radius: var(--radius);
  font-weight: var(--weight-medium);
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: background-color var(--transition-fast), opacity var(--transition-fast);
}

.btn:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-bg);
  opacity: 0.9;
}

.btn-sm {
  padding: var(--space-1) var(--space-4);
  font-size: var(--font-size-xs);
}

/* --- Main Content -------------------------------------------- */
#main-content {
  flex: 1;
}

/* --- Sections ------------------------------------------------ */
.section {
  padding-block: var(--space-24);
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-title {
  text-align: center;
  margin-block-end: var(--space-4);
}

.section-title + .lead {
  text-align: center;
  max-width: 40rem;
  margin-inline: auto;
  margin-block-end: var(--space-8);
}

/* --- Hero ---------------------------------------------------- */
.hero {
  padding-block: var(--space-24) var(--space-20);
  background-color: var(--color-bg);
}

.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-12);
}

.hero-text {
  text-align: left;
}

.hero h1 {
  font-size: var(--font-size-3xl);
  line-height: 1.35;
  margin-block-end: var(--space-6);
}

.hero .lead {
  margin-block-end: var(--space-8);
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  display: block;
}

.hero-emoji {
  width: 100%;
  max-width: 20rem;
  height: auto;
  display: block;
  margin-inline: auto;
  border: none;
}

.card-fan {
  position: relative;
  width: 16rem;
  height: 16rem;
  margin-inline: auto;
}

.card-fan-item {
  position: absolute;
  width: 10rem;
  height: auto;
  top: 50%;
  left: 50%;
  transform-origin: center center;
  border: none;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.1));
  transition: transform var(--transition-base);
}

.card-fan-item:nth-child(1) {
  transform: translate(-50%, -50%) rotate(-18deg) translateX(-1.5rem);
}

.card-fan-item:nth-child(2) {
  transform: translate(-50%, -50%);
  z-index: 1;
}

.card-fan-item:nth-child(3) {
  transform: translate(-50%, -50%) rotate(18deg) translateX(1.5rem);
}

/* --- Statement ----------------------------------------------- */
.statement-section {
  background-color: var(--color-bg-alt);
}

.statement {
  font-family: var(--font-serif);
  font-size: var(--font-size-xl);
  line-height: 1.6;
  text-align: center;
  max-width: 42rem;
  margin-inline: auto;
  color: var(--color-text);
  font-weight: 400;
  margin-block-end: 0;
}

/* --- Grid ---------------------------------------------------- */
.grid {
  display: grid;
  gap: var(--space-6);
}

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

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.container--wide {
  max-width: 72rem;
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* --- Card ---------------------------------------------------- */
.card {
  background-color: var(--color-bg);
  padding: var(--space-8);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-icon {
  font-size: 1.5rem;
  margin-block-end: var(--space-4);
}

.card h3 {
  margin-block-end: var(--space-2);
  font-size: var(--font-size-base);
  font-weight: var(--weight-semibold);
}

.card p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-block-end: 0;
  line-height: var(--leading-normal);
}

/* --- Playing Card -------------------------------------------- */
.playing-card {
  position: relative;
  aspect-ratio: 5 / 7;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.playing-card:hover {
  box-shadow: var(--shadow-md);
}

.card-pip {
  position: absolute;
  border: none;
  margin: 0;
}

.card-pip-top {
  top: var(--space-4);
  left: var(--space-4);
}

.card-pip-bottom {
  bottom: var(--space-4);
  right: var(--space-4);
  transform: rotate(180deg);
}

.card-center {
  text-align: center;
  padding-inline: var(--space-2);
}

.card-center h3 {
  margin-block-end: var(--space-2);
  font-size: var(--font-size-lg);
  font-weight: var(--weight-semibold);
}

.card-center p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-block-end: var(--space-4);
  line-height: var(--leading-normal);
}

.card-more {
  display: flex;
  justify-content: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-faint);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.card-more svg {
  vertical-align: middle;
}

.playing-card:hover .card-more {
  color: var(--color-text-muted);
  transform: translateX(3px);
}

/* --- Card Expanded (hidden by default) ----------------------- */
.card-expanded {
  display: none;
}

/* --- Card Overlay / Backdrop --------------------------------- */
.card-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 199;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

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

/* --- Card Flip & Modal State --------------------------------- */
.playing-card {
  cursor: pointer;
}

.playing-card.is-flipping {
  animation: cardFlip 0.6s ease;
}

.playing-card.is-open {
  position: fixed;
  z-index: 200;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(22rem, 90vw);
  aspect-ratio: 5 / 7;
  box-shadow: var(--shadow-lg);
  animation: cardFlipIn 0.6s ease;
}

.playing-card.is-open .card-center {
  display: none;
}

.playing-card.is-open .card-expanded {
  display: block;
  text-align: left;
  padding-inline: var(--space-2);
}

.playing-card.is-open .card-expanded h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--weight-semibold);
  margin-block-end: var(--space-4);
}

.playing-card.is-open .card-expanded p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: var(--leading-normal);
  margin-block-end: var(--space-4);
}

.playing-card.is-open .card-expanded ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.playing-card.is-open .card-expanded li {
  padding-block: var(--space-2);
  border-block-start: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
}

.playing-card.is-open .card-expanded li::before {
  content: "\2713\0020";
  color: var(--color-green);
  font-weight: var(--weight-bold);
}

.playing-card.is-closing {
  animation: cardFlipOut 0.6s ease;
}

@keyframes cardFlipIn {
  0%   { transform: translate(-50%, -50%) rotateY(0deg) scale(0.6); opacity: 0.5; }
  50%  { transform: translate(-50%, -50%) rotateY(180deg) scale(0.8); opacity: 0.8; }
  100% { transform: translate(-50%, -50%) rotateY(360deg) scale(1); opacity: 1; }
}

@keyframes cardFlipOut {
  0%   { transform: translate(-50%, -50%) rotateY(0deg) scale(1); opacity: 1; }
  50%  { transform: translate(-50%, -50%) rotateY(180deg) scale(0.8); opacity: 0.8; }
  100% { transform: translate(-50%, -50%) rotateY(360deg) scale(0.6); opacity: 0; }
}

/* --- Split Layout -------------------------------------------- */
.split {
  max-width: 40rem;
  margin-inline: auto;
}

.split h2 {
  margin-block-end: var(--space-6);
}

.split p {
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
}

/* --- Do / Don't Lists ---------------------------------------- */
.do-dont-list {
  padding: var(--space-8);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.do-dont-list h3 {
  font-size: var(--font-size-lg);
  margin-block-end: var(--space-6);
}

.do-list h3 { color: var(--color-green); }
.dont-list h3 { color: var(--color-error); }

.do-dont-list ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.do-dont-list li {
  padding-block: var(--space-3);
  border-block-start: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  line-height: var(--leading-normal);
  color: var(--color-text-muted);
}

.do-dont-list li strong {
  color: var(--color-text);
  font-weight: var(--weight-medium);
}

/* --- Testimonials -------------------------------------------- */
.testimonial {
  background-color: var(--color-surface);
  padding: var(--space-8);
  border-radius: var(--radius-md);
  border: none;
  margin: 0;
  font-style: normal;
}

.testimonial p {
  font-size: var(--font-size-base);
  line-height: var(--leading-normal);
  margin-block-end: var(--space-6);
  color: var(--color-text);
}

.testimonial footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.testimonial cite {
  font-style: normal;
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.testimonial .stars {
  color: var(--color-orange);
  letter-spacing: 0.1em;
}

/* --- CTA Section --------------------------------------------- */
.cta-section {
  background-color: var(--color-bg-alt);
}

.cta-section h2 {
  max-width: 36rem;
  margin-inline: auto;
  margin-block-end: var(--space-8);
}

.cta-list {
  list-style: none;
  padding: 0;
  margin-block-end: var(--space-8);
  max-width: 28rem;
  margin-inline: auto;
  text-align: left;
}

.cta-list li {
  padding-block: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.cta-list li::before {
  content: "\2713\0020";
  color: var(--color-green);
  font-weight: var(--weight-bold);
}

/* --- Team ---------------------------------------------------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-block: var(--space-8);
}

/* --- Flip card wrapper --- */
.team-card-flip {
  perspective: 600px;
  cursor: pointer;
  height: 14rem;
}

.team-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.5s ease;
  transform-style: preserve-3d;
}

.team-card-flip.flipped .team-card-inner {
  transform: rotateY(180deg);
}

/* --- Shared face styles --- */
.team-card {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  text-align: center;
  padding: var(--space-8) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg);
  transition: box-shadow var(--transition-base);
}

.team-card-flip:hover .team-card {
  box-shadow: var(--shadow-md);
}

/* --- Front face --- */
.team-card-front {
  z-index: 2;
}

/* --- Back face --- */
.team-card-back {
  transform: rotateY(180deg);
  gap: var(--space-4);
}

.team-avatar {
  width: 4rem;
  height: 4rem;
  border-radius: var(--radius-full);
  background-color: var(--color-surface-alt);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-inline: auto;
  margin-block-end: var(--space-4);
  font-weight: var(--weight-semibold);
  font-size: var(--font-size-lg);
}

.team-card h3 {
  font-size: var(--font-size-base);
  margin-block-end: var(--space-1);
}

.team-role {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-block-end: 0;
}

.team-bio {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0;
}

.team-linkedin {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--font-size-sm);
  font-weight: var(--weight-medium);
  color: var(--color-link);
  text-decoration: none;
}

.team-linkedin:hover {
  text-decoration: underline;
}

/* --- Blog ---------------------------------------------------- */
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-block: var(--space-6) var(--space-8);
}

.filter-btn {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--font-size-xs);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

.filter-btn.active {
  background-color: var(--color-text);
  border-color: var(--color-text);
  color: var(--color-bg);
}

.blog-grid {
  display: grid;
  gap: var(--space-6);
}

.blog-card {
  display: block;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition-base);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
}

.blog-card:not(.has-cover) {
  padding: var(--space-8);
}

.blog-card.has-cover {
  display: flex;
  align-items: stretch;
}

.blog-card:hover {
  box-shadow: var(--shadow-md);
  color: inherit;
}

.blog-card-cover {
  width: 7rem;
  flex-shrink: 0;
  overflow: hidden;
}

.blog-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.blog-card:hover .blog-card-cover img {
  transform: scale(1.05);
}

.blog-card-body {
  padding: var(--space-6) var(--space-8);
  min-width: 0;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-block-end: var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--color-text-faint);
}

.blog-tag {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-weight: var(--weight-medium);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.tag-product { background-color: var(--color-accent-bg); color: var(--color-blue); }
.tag-business { background-color: #fdf3ec; color: var(--color-orange); }
[data-theme="dark"] .tag-business { background-color: #2d2520; }
.tag-tech { background-color: #ecf5f0; color: var(--color-green); }
[data-theme="dark"] .tag-tech { background-color: #202d25; }
.tag-case-study { background-color: #f0ecf5; color: #6b4fa0; }
[data-theme="dark"] .tag-case-study { background-color: #25202d; }

.blog-card h3 {
  font-size: var(--font-size-lg);
  margin-block-end: var(--space-2);
  color: var(--color-text);
}

.blog-card p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-block-end: 0;
  line-height: var(--leading-normal);
}

.no-posts {
  color: var(--color-text-muted);
  font-style: italic;
}

/* --- Blog Row (Homepage) ------------------------------------- */
.blog-row-section {
  overflow: hidden;
}

.blog-row-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-block-end: var(--space-6);
}

.blog-row-header .section-title {
  margin-block-end: 0;
}

.blog-row-link {
  font-size: var(--font-size-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.blog-row-link:hover {
  color: var(--color-text);
}

.blog-row {
  display: flex;
  gap: var(--space-5);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-block-end: var(--space-4);
  padding-inline-start: max(var(--container-padding), calc((100% - var(--container-max)) / 2 + var(--container-padding)));
  padding-inline-end: var(--container-padding);
}

.blog-row::-webkit-scrollbar {
  height: 6px;
}

.blog-row::-webkit-scrollbar-track {
  background: var(--color-surface);
  border-radius: var(--radius-full);
}

.blog-row::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}

.blog-row-card {
  flex: 0 0 17.5rem;
  aspect-ratio: 5 / 7;
  scroll-snap-align: start;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.blog-row-card:hover {
  box-shadow: var(--shadow-md);
  color: inherit;
}

.blog-row-card-cover {
  height: 45%;
  overflow: hidden;
  background-color: var(--color-surface);
}

.blog-row-card-cover--empty {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-alt) 100%);
}

.blog-row-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
  border: none;
  margin: 0;
  border-radius: 0;
}

.blog-row-card:hover .blog-row-card-cover img {
  transform: scale(1.05);
}

.blog-row-card-body {
  flex: 1;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
}

.blog-row-card-body h3 {
  font-size: var(--font-size-base);
  font-weight: var(--weight-semibold);
  margin-block-end: var(--space-2);
  color: var(--color-text);
  line-height: var(--leading-snug);
}

.blog-row-card-body p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
  margin-block-end: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* --- Blog Post Layout ---------------------------------------- */
.back-link {
  display: inline-block;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-block-end: var(--space-6);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.back-link:hover {
  color: var(--color-text);
}

.post-date {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-faint);
  margin-block-end: var(--space-10);
}

.post-body {
  margin-block-start: var(--space-2);
}

/* --- Footer -------------------------------------------------- */
.site-footer {
  border-block-start: 1px solid var(--color-border);
  padding-block: var(--space-8);
  margin-block-start: auto;
  color: var(--color-text-faint);
  font-size: var(--font-size-sm);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-tagline {
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-logo-icon {
  flex-shrink: 0;
}

.footer-links {
  display: flex;
  gap: var(--space-6);
}

.footer-links a {
  color: var(--color-text-faint);
  transition: color var(--transition-fast);
}

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

/* --- Page Content (prose / markdown output) ------------------- */
.page-content {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.page-content h1 {
  font-size: var(--font-size-3xl);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  margin-block-end: var(--space-6);
}

.page-content h2 {
  font-size: var(--font-size-2xl);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  margin-block: var(--space-12) var(--space-4);
  padding-block-end: var(--space-3);
  border-block-end: 1px solid var(--color-border);
}

.page-content h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-snug);
  margin-block: var(--space-10) var(--space-3);
}

.page-content h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-snug);
  margin-block: var(--space-8) var(--space-2);
}

.page-content h5 {
  font-size: var(--font-size-md);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-snug);
  margin-block: var(--space-6) var(--space-2);
}

.page-content h6 {
  font-size: var(--font-size-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  line-height: var(--leading-snug);
  margin-block: var(--space-6) var(--space-2);
  color: var(--color-text-muted);
}

.page-content p {
  margin-block-end: var(--space-6);
}

.page-content ul,
.page-content ol {
  padding-inline-start: var(--space-6);
  margin-block-end: var(--space-6);
}

.page-content li {
  margin-block-end: var(--space-2);
}

.page-content li > ul,
.page-content li > ol {
  margin-block: var(--space-2) 0;
}

.page-content a {
  color: var(--color-link);
  text-decoration: underline;
  text-underline-offset: 0.15em;
  text-decoration-color: color-mix(in srgb, var(--color-link) 40%, transparent);
  transition: text-decoration-color var(--transition-fast);
}

.page-content a:hover {
  text-decoration-color: var(--color-link);
}

.page-content strong {
  font-weight: var(--weight-semibold);
}

.page-content blockquote {
  border-inline-start: 3px solid var(--color-orange);
  padding: var(--space-4) var(--space-6);
  margin-block: var(--space-6);
  margin-inline: 0;
  background-color: var(--color-surface);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--color-text-muted);
  font-style: italic;
}

.page-content blockquote p:last-child {
  margin-block-end: 0;
}

.page-content code {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  background-color: var(--color-code-bg);
  border: 1px solid var(--color-code-border);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  color: var(--color-code-text);
}

.page-content pre {
  background-color: var(--color-code-bg);
  border: 1px solid var(--color-code-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  overflow-x: auto;
  margin-block: var(--space-6);
  line-height: var(--leading-normal);
}

.page-content pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: var(--font-size-sm);
}

.page-content table {
  width: 100%;
  border-collapse: collapse;
  margin-block: var(--space-6);
  font-size: var(--font-size-sm);
}

.page-content th,
.page-content td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-block-end: 1px solid var(--color-border);
}

.page-content th {
  font-weight: var(--weight-semibold);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  border-block-end: 2px solid var(--color-border);
}

.page-content tbody tr:hover {
  background-color: var(--color-surface);
}

.page-content hr {
  border: none;
  border-block-start: 1px solid var(--color-border);
  margin-block: var(--space-10);
}

.page-content img {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin-block: var(--space-6);
}

.page-content mark {
  background-color: var(--color-accent-bg);
  padding: 0.1em 0.2em;
  border-radius: var(--radius-sm);
}

/* --- Responsive ---------------------------------------------- */
@media (max-width: 48rem) {
  :root {
    --font-size-3xl: 1.953rem;
    --font-size-2xl: 1.563rem;
    --font-size-xl:  1.25rem;
  }

  .section {
    padding-block: var(--space-16);
  }

  .hero {
    padding-block: var(--space-16) var(--space-12);
  }

  .hero-split {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text {
    text-align: center;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .site-header .container {
    flex-wrap: nowrap;
  }

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

@media (max-width: 30rem) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }

  .playing-card {
    padding: var(--space-3);
  }

  .card-pip {
    width: 28px;
    height: 28px;
  }

  .card-pip-top {
    top: var(--space-2);
    left: var(--space-2);
  }

  .card-pip-bottom {
    bottom: var(--space-2);
    right: var(--space-2);
  }

  .card-center h3 {
    font-size: var(--font-size-sm);
  }

  .card-center p {
    font-size: var(--font-size-xs);
  }

  .card-more {
    display: none;
  }

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

  .blog-card.has-cover {
    flex-direction: column;
  }

  .blog-card-cover {
    width: 100%;
    aspect-ratio: 16 / 9;
  }

  .header-right {
    gap: var(--space-3);
  }
}