/* ============================================================
   Rockst4r Studio — Boceto de sitio oficial
   Sistema de diseño heredado de moudaza.rockst4rstudio.com
   (mismo lenguaje visual: Inter, fondo hueso, tarjetas suaves,
   acento azul Apple, botones píldora, iconografía lineal).
   ============================================================ */

:root {
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", system-ui, sans-serif;

  --bg: #fbfaf8;
  --surface: #ffffff;
  --surface-tint: #f5f5f7;
  --surface-tint-hover: #ebebef;
  --surface-alt: #f4f2ee;
  --hairline: #e5e5e7;

  --ink: #1d1d1f;
  --ink-secondary: #424245;
  --ink-tertiary: #6e6e73;
  --ink-muted: #86868b;

  --accent: #0071e3;
  --accent-hover: #0058b0;
  --accent-light: #47a9ff;

  --radius-pill: 980px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;

  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 10px 28px -14px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 2px 6px rgba(0, 0, 0, 0.05), 0 20px 44px -16px rgba(0, 0, 0, 0.16);
  --shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.16);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
}

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

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Typography helpers ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--ink-tertiary);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-muted);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 14px;
}
.kicker .num {
  font-variant-numeric: tabular-nums;
  color: var(--ink-tertiary);
}
.kicker::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--hairline);
}

h1, h2, h3, h4 { margin: 0; font-weight: 650; letter-spacing: -0.03em; color: var(--ink); }

.h-hero {
  font-size: clamp(40px, 6vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.045em;
  font-weight: 680;
}
.h-hero .accent { color: var(--accent); }
.h-hero .muted { color: var(--ink-tertiary); }

.h-section {
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.06;
  letter-spacing: -0.035em;
}

.lede {
  color: var(--ink-secondary);
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: -0.01em;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 46px;
  padding: 0 24px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.3s var(--ease), background-color 0.25s ease, box-shadow 0.25s ease;
  white-space: nowrap;
}
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #333336; transform: translateY(-1px); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-light { background: transparent; color: var(--ink); border: 1px solid rgba(29,29,31,0.16); }
.btn-light:hover { background: rgba(29,29,31,0.04); }
.btn-white { background: rgba(255,255,255,0.1); color: #fff; border: 1px solid rgba(255,255,255,0.25); }
.btn-white:hover { background: rgba(255,255,255,0.18); }
.btn .arrow { transition: transform 0.3s var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }
.btn-sm { height: 38px; padding: 0 18px; font-size: 13px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 250, 248, 0.82);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}
.nav.scrolled { border-bottom-color: var(--hairline); }

.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 2.5px;
  z-index: 101;
  background: transparent;
  pointer-events: none;
}
.scroll-progress span {
  display: block;
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transition: width 0.08s linear;
}

.nav .container {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand-mark img { height: 22px; width: auto; display: block; }
.brand-mark { text-decoration: none; display: flex; align-items: center; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  position: relative;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-secondary);
  transition: color 0.2s ease;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -21px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.nav-mobile a.active { color: var(--ink); }

.nav-toggle {
  display: none;
  width: 38px; height: 38px;
  border-radius: 10px;
  border: none;
  background: var(--surface-tint);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
}
.nav-toggle span { width: 16px; height: 2px; background: var(--ink); border-radius: 2px; }

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 2px;
  padding: 8px 20px 20px;
  background: var(--bg);
  border-bottom: 1px solid var(--hairline);
}
.nav-mobile[data-open="true"] { display: flex; }
.nav-mobile a {
  text-decoration: none;
  color: var(--ink-secondary);
  font-size: 15px;
  font-weight: 500;
  padding: 12px 4px;
  border-bottom: 1px solid var(--hairline);
}
.nav-mobile a:last-child { border-bottom: none; }

@media (max-width: 860px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 88px 0 56px;
  background:
    radial-gradient(ellipse 56% 30% at 80% 0%, rgba(0, 113, 227, 0.10) 0%, transparent 78%),
    linear-gradient(180deg, #fff 0%, var(--bg) 60%);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 48px;
  align-items: center;
}
.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 30px;
  flex-wrap: wrap;
}
.hero-lede { margin-top: 22px; max-width: 480px; }

.hero-strip {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
}
.hero-strip img {
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: 14px;
  background: var(--surface-tint);
}
.hero-strip a:first-child img { border-top-left-radius: 14px; border-bottom-left-radius: 14px; }

/* ---------- Hero stat bento (social proof) ---------- */
.hero-side-card { display: flex; flex-direction: column; gap: 12px; }

.stat-main {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 90% 70% at 20% -10%, rgba(0, 113, 227, 0.16) 0%, transparent 70%),
    linear-gradient(160deg, #ffffff 0%, #f6f8fc 100%);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 24px 22px;
  box-shadow: var(--shadow);
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
@media (hover: hover) {
  .stat-main:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
}

.avatar-stack { display: flex; align-items: center; }
.avatar-stack img {
  width: 40px; height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2.5px solid var(--surface);
  margin-left: -12px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.12);
}
.avatar-stack img:first-child { margin-left: 0; }
.avatar-stack .avatar-more {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  border: 2.5px solid var(--surface);
  margin-left: -12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 10.5px; font-weight: 700;
  letter-spacing: -0.02em;
  box-shadow: 0 2px 6px rgba(0,0,0,0.12);
}

.stat-main-number {
  display: block;
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.035em;
  color: var(--ink);
  margin-top: 16px;
  line-height: 1;
}
.stat-main-label {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  font-size: 13.5px;
  color: var(--ink-secondary);
  font-weight: 500;
}
.stat-main-label .stars { color: #f5a623; display: inline-flex; gap: 1px; font-size: 11px; letter-spacing: 1px; }

.stat-mini-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat-mini {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
@media (hover: hover) {
  .stat-mini:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
}
.stat-mini-icon {
  width: 30px; height: 30px;
  border-radius: 9px;
  background: var(--surface-tint);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
}
.stat-mini-icon svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.stat-mini-number { display: block; font-size: 22px; font-weight: 700; letter-spacing: -0.03em; color: var(--ink); line-height: 1; }
.stat-mini-label { display: block; margin-top: 5px; font-size: 11.5px; color: var(--ink-tertiary); line-height: 1.35; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-side-card { order: -1; }
  .hero-strip { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 560px) {
  .hero { padding: 56px 0 40px; }
  .hero-strip { grid-template-columns: repeat(3, 1fr); gap: 8px; }
}

/* ---------- Section shell ---------- */
.section { padding: 96px 0; }
.section-inverted { background: var(--ink); color: #fff; }
.section-inverted .kicker { color: rgba(255,255,255,0.4); }
.section-inverted .kicker::after { background: rgba(255,255,255,0.14); }
.section-inverted h2, .section-inverted h3 { color: #fff; }
.section-inverted .lede { color: rgba(255,255,255,0.66); }
.section-alt { background: var(--surface-alt); }

@media (max-width: 640px) {
  .section { padding: 64px 0; }
}

/* ---------- Philosophy ---------- */
.phil-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.phil-quote {
  margin-top: 24px;
  padding-left: 20px;
  border-left: 3px solid var(--accent);
}
.phil-quote p { font-size: 21px; line-height: 1.4; letter-spacing: -0.015em; color: var(--ink); font-weight: 500; }
.phil-body p { font-size: 16px; line-height: 1.65; color: var(--ink-secondary); margin: 0 0 18px; }
.phil-body em { color: var(--ink); font-style: normal; font-weight: 600; }
.phil-signature { color: var(--ink) !important; font-weight: 600 !important; }
@media (max-width: 800px) { .phil-grid { grid-template-columns: 1fr; gap: 32px; } }

/* ---------- Bento / eco cards ---------- */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.bento-card {
  background: var(--surface-tint);
  border: 1px solid rgba(0,0,0,0.025);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  transition: transform 0.5s var(--ease), background-color 0.3s ease, box-shadow 0.5s var(--ease);
}
@media (hover: hover) {
  .bento-card:hover { background: var(--surface-tint-hover); box-shadow: var(--shadow-hover); transform: translateY(-3px); }
}
.bento-icon {
  width: 40px; height: 40px;
  border-radius: 11px;
  background: var(--surface);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  color: var(--accent);
}
.bento-icon svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.bento-num { font-size: 11px; font-weight: 700; letter-spacing: 0.08em; color: var(--ink-muted); }
.bento-card h3 { font-size: 19px; margin: 6px 0 8px; letter-spacing: -0.02em; }
.bento-card p { font-size: 14px; line-height: 1.5; color: var(--ink-tertiary); margin: 0; }

.section-inverted .bento-card { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.08); }
.section-inverted .bento-icon { background: rgba(255,255,255,0.08); color: var(--accent-light); }
.section-inverted .bento-card p { color: rgba(255,255,255,0.55); }
@media (hover: hover) {
  .section-inverted .bento-card:hover { background: rgba(255,255,255,0.08); }
}

@media (max-width: 900px) { .bento-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .bento-grid { grid-template-columns: 1fr; } }

/* ---------- Services grid ---------- */
.svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.svc-card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 22px;
  text-decoration: none;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.3s ease;
}
@media (hover: hover) {
  .svc-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); border-color: transparent; }
}
.svc-card img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  background: var(--surface-tint);
}
.svc-card h3 { font-size: 17px; letter-spacing: -0.02em; margin-bottom: 6px; }
.svc-card p { font-size: 13px; color: var(--ink-tertiary); line-height: 1.5; margin: 0; flex: 1; }
.svc-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--hairline); }
.svc-price { font-size: 13px; font-weight: 600; color: var(--ink); }
.svc-link { font-size: 12px; font-weight: 600; color: var(--accent); display: inline-flex; align-items: center; gap: 4px; }
.svc-card.soon { opacity: 0.55; pointer-events: none; }
.svc-badge {
  position: absolute;
  font-size: 10px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
  background: var(--ink); color: #fff;
  padding: 4px 9px; border-radius: 999px;
  margin: -34px 0 0;
}

@media (max-width: 900px) { .svc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .svc-grid { grid-template-columns: 1fr; } }

/* ---------- Portfolio ---------- */
.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 36px 0 32px;
}
.filter-btn {
  height: 36px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--hairline);
  background: var(--surface);
  color: var(--ink-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s ease;
}
.filter-btn:hover { border-color: var(--ink-muted); color: var(--ink); }
.filter-btn.active { background: var(--ink); border-color: var(--ink); color: #fff; }

.portfolio-grid {
  columns: 4 220px;
  column-gap: 12px;
}
.portfolio-item {
  break-inside: avoid;
  margin-bottom: 12px;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  background: var(--surface-tint);
  display: block;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.portfolio-item.hidden-item { display: none; }
.portfolio-item.filtering-out { opacity: 0; transform: scale(0.94); }
.portfolio-item img {
  width: 100%; height: auto; display: block;
  transition: transform 0.6s var(--ease);
}
@media (hover: hover) {
  .portfolio-item:hover img { transform: scale(1.04); }
}
.portfolio-tag {
  position: absolute; left: 10px; bottom: 10px;
  font-size: 10px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  color: #fff;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(6px);
  padding: 5px 9px;
  border-radius: 999px;
  opacity: 0;
  transition: opacity 0.3s ease;
}
@media (hover: hover) {
  .portfolio-item:hover .portfolio-tag { opacity: 1; }
}
@media (hover: none) {
  .portfolio-tag { opacity: 1; }
}

@media (max-width: 900px) { .portfolio-grid { columns: 3 160px; } }
@media (max-width: 560px) { .portfolio-grid { columns: 2 140px; column-gap: 8px; } .portfolio-item { margin-bottom: 8px; } }

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.price-card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  /* explicit color: these cards sit inside .section-inverted (white text),
     so without this the plain (non-featured) cards inherit white-on-white */
  color: var(--ink);
}
.price-card--featured {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
  box-shadow: var(--shadow-dark);
}
.tier-name { font-size: 13px; font-weight: 600; color: var(--ink-tertiary); text-transform: uppercase; letter-spacing: 0.05em; }
.price-card--featured .tier-name { color: rgba(255,255,255,0.5); }
.tier-count { display: flex; align-items: baseline; gap: 8px; margin: 10px 0 22px; }
.tier-count strong { font-size: 38px; font-weight: 680; letter-spacing: -0.03em; }
.tier-count span { font-size: 13px; color: var(--ink-tertiary); }
.price-card--featured .tier-count span { color: rgba(255,255,255,0.5); }
.price-card ul { list-style: none; margin: 0 0 24px; padding: 0; display: flex; flex-direction: column; gap: 11px; }
.price-card li {
  font-size: 14px; color: var(--ink-secondary);
  padding-left: 22px;
  position: relative;
  line-height: 1.4;
}
.price-card li::before {
  content: "";
  position: absolute; left: 0; top: 5px;
  width: 14px; height: 14px;
  background: var(--accent);
  -webkit-mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="3"><polyline points="20 6 9 17 4 12"/></svg>') center / contain no-repeat;
  mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="3"><polyline points="20 6 9 17 4 12"/></svg>') center / contain no-repeat;
}
.price-card--featured li { color: rgba(255,255,255,0.75); }
.price-card--featured li::before { background: var(--accent-light); }

@media (max-width: 900px) { .pricing-grid { grid-template-columns: 1fr; } }

/* ---------- Espacio / Membresía ---------- */
.space-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.space-terms { margin-top: 18px; display: flex; flex-direction: column; }
.term { display: flex; justify-content: space-between; padding: 13px 0; border-bottom: 1px solid var(--hairline); font-size: 14px; }
.term span:first-child { color: var(--ink-tertiary); }
.term span:last-child { font-weight: 600; }
.space-photo { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.space-photo img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.space-tags { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 8px; }
.space-tag { font-size: 12px; padding: 7px 13px; border-radius: 999px; background: var(--surface-tint); color: var(--ink-secondary); }

@media (max-width: 860px) { .space-grid { grid-template-columns: 1fr; gap: 32px; } }

/* ---------- Contact ---------- */
.contact-cta {
  background: var(--ink);
  border-radius: var(--radius-lg);
  padding: 56px;
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 40px;
  align-items: center;
  color: #fff;
}
/* Horizontal row of icon-only social buttons (no labels/values) */
.contact-icon-row { display: flex; flex-wrap: wrap; gap: 10px; }
.contact-icon-btn {
  width: 46px; height: 46px;
  border-radius: 13px;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  transition: background-color 0.3s ease, transform 0.3s var(--ease);
}
.contact-icon-btn svg { width: 20px; height: 20px; }
@media (hover: hover) {
  .contact-icon-btn:hover { background: rgba(255,255,255,0.16); transform: translateY(-2px); }
}
.contact-studio-line {
  display: flex; align-items: center; gap: 8px;
  margin-top: 20px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}
.contact-studio-line svg { flex-shrink: 0; }

/* Contact form (builds a personalized WhatsApp message on submit) */
.contact-form { margin-top: 26px; display: flex; flex-direction: column; gap: 14px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label { font-size: 12px; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 0.05em; }
.form-field input, .form-field textarea {
  font-family: var(--font-sans);
  font-size: 15px;
  color: #fff;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 10px;
  padding: 11px 14px;
  outline: none;
  transition: border-color 0.2s ease, background-color 0.2s ease;
  resize: vertical;
}
.form-field input::placeholder, .form-field textarea::placeholder { color: rgba(255,255,255,0.35); }
.form-field input:focus, .form-field textarea:focus {
  border-color: var(--accent-light);
  background: rgba(255,255,255,0.1);
}
.contact-form .btn { margin-top: 4px; align-self: flex-start; }

@media (max-width: 860px) {
  .contact-cta { grid-template-columns: 1fr; padding: 36px 24px; }
}

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--hairline); padding: 56px 0 32px; }
.footer-top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.footer-brand img { height: 20px; margin-bottom: 12px; }
.footer-tag { font-size: 13px; color: var(--ink-tertiary); max-width: 280px; line-height: 1.5; }
.footer-cols { display: flex; gap: 56px; }
.footer-col h4 { font-size: 12px; color: var(--ink-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 14px; font-weight: 600; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 14px; color: var(--ink-secondary); text-decoration: none; }
.footer-col a:hover { color: var(--ink); }
.footer-bottom {
  margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--hairline);
  display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-muted);
  flex-wrap: wrap; gap: 8px;
}
.social-row { display: flex; gap: 8px; margin-top: 16px; }
.social-btn {
  width: 38px; height: 38px; border-radius: 11px;
  background: var(--surface-tint);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-tertiary);
  transition: transform 0.3s var(--ease), background-color 0.3s ease, color 0.3s ease;
}
.social-btn:hover { background: var(--surface-tint-hover); color: var(--ink); transform: translateY(-1px); }

@media (max-width: 640px) {
  .footer-top { flex-direction: column; }
  .footer-cols { gap: 32px; }
}


/* ============================================================
   Blog — reuses the same tokens, buttons, .section, .kicker,
   .h-section, .lede and .contact-cta already defined above.
   ============================================================ */

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  font-size: 13px;
  color: var(--ink-tertiary);
}
.breadcrumbs a { color: var(--ink-tertiary); text-decoration: none; }
.breadcrumbs a:hover { color: var(--ink); }
.breadcrumbs .sep { color: var(--ink-muted); }
.breadcrumbs .current { color: var(--ink); font-weight: 500; }

/* Blog index grid + card (mirrors .svc-card's proportions and hover) */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.blog-card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
@media (hover: hover) {
  .blog-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
}
.blog-card img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: top;
  background: var(--surface-tint);
}
.blog-card-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.blog-card-category {
  font-size: 11px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 10px;
}
.blog-card h3 { font-size: 17px; letter-spacing: -0.02em; line-height: 1.3; margin-bottom: 8px; }
.blog-card p { font-size: 13.5px; color: var(--ink-tertiary); line-height: 1.55; margin: 0; flex: 1; }
.blog-card-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 16px; font-size: 13px; font-weight: 600; color: var(--ink);
}
.blog-card-link .arrow { transition: transform 0.3s var(--ease); }
.blog-card:hover .blog-card-link .arrow { transform: translateX(3px); }

/* Article header + body: a comfortable, centered reading column */
.article-header { max-width: 760px; margin: 0 auto; }
.article-featured-img {
  display: block;
  width: 100%;
  max-width: 560px;
  height: auto;
  border-radius: var(--radius-lg);
  margin: 32px auto;
  box-shadow: var(--shadow);
}

.article-body { max-width: 700px; margin: 0 auto; font-size: 16.5px; line-height: 1.75; color: var(--ink-secondary); }
.article-body h2 { font-size: 24px; margin: 44px 0 16px; letter-spacing: -0.025em; color: var(--ink); }
.article-body h3 { font-size: 18px; margin: 28px 0 12px; letter-spacing: -0.015em; color: var(--ink); }
.article-body p { margin: 0 0 18px; }
.article-body ul, .article-body ol { margin: 0 0 18px; padding-left: 22px; }
.article-body li { margin-bottom: 8px; }
.article-body a { color: var(--accent); text-decoration: underline; text-decoration-color: rgba(0,113,227,0.3); text-underline-offset: 2px; }
.article-body a:hover { text-decoration-color: var(--accent); }
.article-body strong { color: var(--ink); font-weight: 600; }

/* Table of contents */
.article-toc {
  max-width: 700px; margin: 32px auto 0;
  background: var(--surface-alt);
  border-radius: var(--radius-md);
  padding: 20px 24px;
}
.article-toc .toc-title { font-size: 12px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-tertiary); margin: 0 0 12px; }
.article-toc ol { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 8px; }
.article-toc a { font-size: 14px; color: var(--ink-secondary); text-decoration: none; }
.article-toc a:hover { color: var(--accent); }

/* FAQ */
.article-faq { max-width: 700px; margin: 40px auto 0; }
.faq-item { border-bottom: 1px solid var(--hairline); padding: 18px 0; }
.faq-item:last-child { border-bottom: none; }
.faq-item h3 { margin: 0 0 8px; font-size: 16px; }
.faq-item p { margin: 0; color: var(--ink-secondary); font-size: 15px; line-height: 1.6; }

/* Related articles (reuses .blog-card at a smaller column count) */
.related-grid { max-width: 900px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

.article-footer-nav {
  max-width: 700px; margin: 8px auto 0;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
}

/* Single-column variant of .contact-cta, for a narrower article-end CTA */
.contact-cta.single { grid-template-columns: 1fr; text-align: center; justify-items: center; }

@media (max-width: 900px) {
  .blog-grid, .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .blog-grid, .related-grid { grid-template-columns: 1fr; }
  .article-body { font-size: 16px; }
  .article-body h2 { font-size: 21px; }
}