/* ============================================================
   STUDIOJOIA PRO — Base: reset, typography (§3), components (§4)
   ============================================================ */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink-soft);
  background: var(--offwhite);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, picture, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }
ul { padding: 0; list-style: none; }

/* ---------- Layout primitives ---------- */
.section { padding-block: var(--section-pad); }
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(20px, 5vw, 48px); }
.container-wide { width: 100%; max-width: var(--maxw-wide); margin-inline: auto; padding-inline: clamp(20px, 5vw, 48px); }
.measure { max-width: 720px; }

/* Surfaces */
.bg-black    { background: var(--black);   color: var(--offwhite); }
.bg-cream    { background: var(--cream);   color: var(--ink-soft); }
.bg-soft     { background: var(--bg-soft); color: var(--ink-soft); }
.bg-offwhite { background: var(--offwhite); color: var(--ink-soft); }

/* ---------- Typography (§3) ---------- */
.eyebrow {
  font-family: var(--font-body);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--champagne);
  margin: 0 0 1.4rem;
}

h1, h2, .headline, h3.headline {
  font-family: var(--font-display);
  font-weight: 200;
  letter-spacing: -0.022em;
  line-height: 1.05;
  color: var(--ink);
}
h1, .h1 { font-size: clamp(40px, 6.2vw, 64px); }
h2, .h2 { font-size: clamp(32px, 4.6vw, 52px); }
.h3     { font-size: clamp(24px, 3vw, 36px); font-family: var(--font-display); font-weight: 200; letter-spacing: -0.02em; line-height: 1.1; }

/* champagne italic keyword inside headlines */
.headline em, h1 em, h2 em, .h1 em, .h2 em, .h3 em {
  font-style: italic;
  font-weight: 300;
  color: var(--champagne);
}
.bg-black h1, .bg-black h2, .bg-black .headline { color: var(--offwhite); }

.subhead, .lead {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(18px, 1.5vw, 22px);
  line-height: 1.5;
  color: var(--ink-soft);
  letter-spacing: -0.005em;
}
.bg-black .subhead, .bg-black .lead { color: var(--muted-on-dark); }

.body { font-size: 17px; line-height: 1.55; color: var(--ink-soft); }
.body p + p { margin-top: 1.1em; }
.bg-black .body, .bg-black p, .bg-black .subhead,
.dark-card .body, .dark-card p, .dark-card .subhead,
.darkrad .body, .darkrad p, .darkrad .subhead,
.thread .body, .thread p, .thread .subhead { color: var(--muted-on-dark); }
.dark-card h2, .dark-card h3,
.darkrad h2, .darkrad h3,
.thread h2, .thread h3 { color: var(--offwhite); }

.mono {
  font-family: 'Courier New', Courier, monospace;
  font-size: 13px;
  color: var(--grey-2);
  letter-spacing: 0;
}

.muted { color: var(--grey-1); }

/* ---------- CTA buttons (§4) ---------- */
.cta-row { display: flex; flex-wrap: wrap; gap: 18px 28px; align-items: center; margin-top: 2.2rem; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-body);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 0.15em;
  text-decoration: none;
  padding: 16px 26px;
  border: 1px solid transparent;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
  cursor: pointer;
}
.btn-primary { background: var(--champagne); color: var(--black); }
.btn-primary:hover { background: #c9a968; }

.btn-secondary {
  background: transparent;
  color: var(--ink);
  padding: 16px 0;
  letter-spacing: 0.15em;
}
.btn-secondary .arrow { color: var(--champagne); transition: transform .2s ease; }
.btn-secondary:hover .arrow { transform: translateX(4px); }
.bg-black .btn-secondary { color: var(--offwhite); }

/* underlined text link with champagne arrow */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-body);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 0.13em;
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px solid var(--champagne);
  padding-bottom: 3px;
  width: fit-content;
}
.link-arrow .arrow { color: var(--champagne); transition: transform .2s ease; }
.link-arrow:hover .arrow { transform: translateX(4px); }
.bg-black .link-arrow { color: var(--offwhite); }

/* ---------- Hero (text) ---------- */
.hero { padding-block: clamp(72px, 11vw, 140px); }
.hero .eyebrow { margin-bottom: 1.6rem; }
.hero h1 { margin-bottom: 1.4rem; }
.hero .subhead { max-width: 640px; }

/* ---------- Hero (media) ---------- */
.hero-media { position: relative; }
.hero-media .overlay-dark::after {
  content: ""; position: absolute; inset: 0; background: rgba(14,14,14,.20); pointer-events: none;
}
.hero-figure img { width: 100%; height: auto; }

/* Formato A — full-width soldered 3-panel strip (single file) */
.formato-a { width: 100%; max-width: var(--maxw-wide); margin-inline: auto; }
.formato-a img { width: 100%; height: auto; background: var(--black); }
.caption-stack {
  font-family: var(--font-display);
  font-weight: 300;
  color: var(--grey-1);
  font-size: 15px;
  line-height: 1.5;
  margin-top: 1.4rem;
  max-width: 620px;
}

/* render frames sit on matte black */
.render-frame { background: var(--black); }

/* ---------- Two-column media + text ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.split.media-left .split-media { order: -1; }
.split-media img { width: 100%; height: auto; }
/* drop media to align with the headline (past the eyebrow), like the Differentiator block */
.split .split-media { margin-top: clamp(34px, 3vw, 42px); }

/* ---------- Cream box (§4) ---------- */
.cream-box {
  background: var(--cream);
  padding: clamp(36px, 5vw, 72px);
}
.cream-box.gold-edge { border-left: 3px solid var(--champagne); }

/* ---------- Pull quote (§4) ---------- */
.pull-quote {
  font-family: var(--font-display);
  font-weight: 200;
  font-style: italic;
  font-size: clamp(24px, 2.4vw, 28px);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--ink);
  border-left: 1px solid var(--champagne);
  padding-left: clamp(24px, 3vw, 40px);
  max-width: 820px;
}
.pull-quote cite { display: block; font-style: normal; font-family: var(--font-body); font-weight: 500; font-size: 13px; letter-spacing: 0.04em; text-transform: none; color: var(--grey-1); margin-top: 1.4rem; }
.bg-black .pull-quote { color: var(--offwhite); }
.bg-black .pull-quote cite { color: var(--muted-on-dark-2); }

/* ---------- Stat row (§4) ---------- */
.stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(32px, 6vw, 88px);
}
.stat .num {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(32px, 4vw, 48px);
  letter-spacing: -0.02em;
  color: var(--champagne);
  line-height: 1;
}
.stat .label {
  font-family: var(--font-body);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--grey-1);
  margin-top: 0.8rem;
}

/* ---------- Module / case row (§4) ---------- */
.module-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.module-row + .module-row { margin-top: clamp(48px, 7vw, 96px); }
.module-row.reverse .module-media { order: 2; }
.module-media img { width: 100%; height: auto; }
.module-text .index {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: 14px;
  color: var(--champagne);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

/* ---------- Cards grid ---------- */
.card-grid { display: grid; gap: clamp(20px, 2.5vw, 32px); }
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  display: flex;
  flex-direction: column;
}
.card-link { text-decoration: none; color: inherit; }
.card-media { aspect-ratio: 1 / 1; overflow: hidden; background: var(--black); }
.card-media img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding-top: 1.4rem; }
.card-body h3 { font-family: var(--font-display); font-weight: 300; font-size: 22px; letter-spacing: -0.01em; color: var(--ink); margin-bottom: 0.5rem; }

/* numbered principle card */
.principle {
  padding: clamp(28px, 3.5vw, 44px);
}
.principle .num {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: 30px;
  color: var(--champagne);
  margin-bottom: 1.2rem;
}
.principle h3 { font-family: var(--font-display); font-weight: 300; font-size: clamp(20px,2vw,24px); letter-spacing:-0.01em; margin-bottom: 1rem; }
.principle.dark { background: var(--black); color: var(--muted-on-dark); }
.principle.dark h3 { color: var(--offwhite); }
.principle.cream { background: var(--cream); border-left: 3px solid var(--champagne); }

/* dark card with subtle radial gold (Patrón 02) */
.dark-card {
  background: var(--black);
  background-image: radial-gradient(120% 90% at 50% 0%, rgba(184,152,90,0.14), transparent 60%);
  color: var(--muted-on-dark);
  text-align: center;
  padding: clamp(48px, 8vw, 110px) clamp(24px, 5vw, 64px);
}
.dark-card h2 { color: var(--offwhite); }

/* ---------- Em-dash gold list (Patrón 04) ---------- */
.dash-list { display: grid; gap: 1.4rem; }
.dash-list li { position: relative; padding-left: 1.8rem; max-width: 760px; }
.dash-list li::before { content: "—"; position: absolute; left: 0; color: var(--champagne); }

/* ---------- Three-column text ---------- */
.cols-text { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(28px, 4vw, 56px); }
.cols-text h3 { font-family: var(--font-display); font-weight: 300; font-size: 20px; letter-spacing: -0.01em; color: var(--ink); margin-bottom: 0.9rem; }
.bg-black .cols-text h3, .bg-cream .cols-text h3 { color: inherit; }

/* ---------- Testimonials ---------- */
.testimonial { max-width: 860px; }
.testimonial .quote {
  font-family: var(--font-display);
  font-weight: 200;
  font-style: italic;
  font-size: clamp(20px, 2.2vw, 27px);
  line-height: 1.45;
  letter-spacing: -0.01em;
}
.testimonial .quote::before { content: "“"; color: var(--champagne); margin-right: 0.05em; }
.testimonial .quote::after { content: "”"; color: var(--champagne); }
.testimonial cite { display: block; font-style: normal; font-family: var(--font-body); font-weight: 500; font-size: 13px; letter-spacing: 0.04em; color: var(--muted-on-dark-2); margin-top: 1.6rem; }
.testimonial-set { display: grid; gap: clamp(40px, 6vw, 72px); }
.testimonial-set .secondary { display: grid; gap: clamp(32px,4vw,56px); grid-template-columns: 1fr 1fr; }
.testimonial-set .secondary .quote { font-size: clamp(17px, 1.6vw, 20px); }

/* ---------- Utility ---------- */
.stack-sm > * + * { margin-top: 1rem; }
.stack-md > * + * { margin-top: 1.6rem; }
.stack-lg > * + * { margin-top: 2.4rem; }
hr.rule { border: 0; border-top: 1px solid var(--border); margin-block: var(--section-pad); }
.bg-black hr.rule { border-color: rgba(255,255,255,.12); }

/* ---------- Responsive (§8) ---------- */
@media (max-width: 1024px) {
  .card-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  body { font-size: 16px; }
  .split, .module-row { grid-template-columns: 1fr; gap: 28px; }
  .module-row.reverse .module-media { order: 0; }
  .module-media { order: -1; }
  .split.media-left .split-media { order: -1; }
  .split .split-media { margin-top: 0; order: -1; }
  .card-grid.cols-2, .card-grid.cols-3, .card-grid.cols-4 { grid-template-columns: 1fr; }
  .cols-text { grid-template-columns: 1fr; }
  .testimonial-set .secondary { grid-template-columns: 1fr; }
  .stat-row { gap: 32px 48px; }
}
@media (max-width: 480px) {
  :root { --section-pad: clamp(48px, 13vw, 72px); }
  .container, .container-wide { padding-inline: 20px; }
  h1, .h1 { font-size: clamp(32px, 8.6vw, 42px); }
  h2, .h2 { font-size: clamp(28px, 7.6vw, 38px); }
  .btn { padding: 14px 20px; font-size: 12px; letter-spacing: 0.12em; }
  .cta-row { gap: 12px 16px; margin-top: 1.8rem; }
  .cta-row .btn { width: 100%; justify-content: center; }
  .stat-row { gap: 24px 36px; }
  .pull-quote { padding-left: 18px; }
}