/* ═══════════════════════════════════════════════════════════════
   Affinité Instruments — style.css
   Stack: plain HTML/CSS, no frameworks
   Deploy: Netlify drag-and-drop
   ═══════════════════════════════════════════════════════════════ */

/* ── TOKENS — Affinité Instruments Brand Style Guide v1.0 ──────── */
:root {
  /* Primary — Affinité brand tokens */
  --blue:        #2D7DD2;
  --blue-dark:   #1B3F6E;
  --blue-light:  #E8F1FB;

  /* Accent */
  --teal:        #0E9B8A;
  --teal-dark:   #097A6C;
  --teal-light:  #D0F0EC;
  --amber:       #F0A500;
  --amber-tint:  #FFF3D0;

  /* Neutrals */
  --ink:         #1A1A2E;
  --stone:       #5A6070;
  --cloud:       #F7F9FC;
  --white:       #FFFFFF;
  --border:      #D0D5DD;

  /* Typography */
  --font: "DM Sans", system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;

  /* UI */
  --radius:      8px;
  --radius-pill: 20px;
  --shadow:      0 2px 16px rgba(0,0,0,0.08);
  --shadow-hover:0 6px 24px rgba(0,0,0,0.14);
  --transition:  0.2s ease;
  --max-width:   1160px;
}

/* ── FONT (self-hosted WOFF2) ─────────────────────────────────── */
@font-face {
  font-family: 'DM Sans';
  src: url('assets/fonts/DMSans-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'DM Sans';
  src: url('assets/fonts/DMSans-Italic.woff2') format('woff2');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'DM Sans';
  src: url('assets/fonts/DMSans-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'DM Sans';
  src: url('assets/fonts/DMSans-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'DM Sans';
  src: url('assets/fonts/DMSans-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'DM Sans';
  src: url('assets/fonts/DMSans-BoldItalic.woff2') format('woff2');
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}

/* ── RESET ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); background: var(--white); line-height: 1.6; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── UTILITIES ─────────────────────────────────────────────────── */
.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.section-sub {
  color: var(--text-light);
  font-size: 1.05rem;
  margin-top: 0.5rem;
  margin-bottom: 2.5rem;
}
.hidden { display: none; }

/* ── BUTTONS ───────────────────────────────────────────────────── */
.btn-hero-primary {
  display: inline-block;
  background: var(--blue);
  color: var(--white);
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  transition: background var(--transition);
}
.btn-hero-primary:hover { background: var(--blue-dark); }

.btn-hero-secondary {
  display: inline-block;
  background: var(--white);
  color: var(--ink);
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  border: 1px solid var(--border);
  transition: background var(--transition);
}
.btn-hero-secondary:hover { background: var(--cloud); }

.btn-outline {
  display: inline-block;
  border: 2px solid var(--blue);
  color: var(--blue);
  padding: 10px 22px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition);
}
.btn-outline:hover { background: var(--blue); color: var(--white); }

.btn-nav {
  background: var(--blue);
  color: var(--white) !important;
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  transition: background var(--transition);
}
.btn-nav:hover { background: var(--blue-dark); }

.btn-submit {
  background: var(--blue);
  color: var(--white);
  border: none;
  padding: 13px 36px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
  margin-top: 0.5rem;
}
.btn-submit:hover { background: var(--blue-dark); }

/* ── NAV ───────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--ink);
  border-bottom: 2px solid var(--blue);
  transition: box-shadow var(--transition);
  overflow: visible;
}
.nav.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.3); }

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.nav-logo img { display: block; height: 32px; width: auto; max-height: 32px; object-fit: contain; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 68px;
}
.nav-links a {
  color: rgba(255,255,255,0.88);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--white); }

/* ── Nav dropdown ──────────────────────────────────────────────── */
.nav-dropdown {
  position: relative;
  align-self: stretch;
  display: flex;
  align-items: center;
}
.nav-dropdown > a::after {
  content: ' ▾';
  font-size: 0.7em;
  opacity: 0.6;
}
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  list-style: none;
  padding: 6px 0;
  margin: 0;
  min-width: 170px;
  background: #0d1b2a;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 0 0 8px 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  z-index: 9999;
}
.nav-dropdown:hover .nav-dropdown-menu {
  display: block;
}
.nav-dropdown-menu li a {
  display: block;
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85) !important;
  white-space: nowrap;
  text-decoration: none;
}
.nav-dropdown-menu li a:hover {
  color: #fff !important;
  background: rgba(255,255,255,0.07);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all var(--transition);
}
.nav-hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ──────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding-top: 68px;
}
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background-color: var(--ink);
}
.hero-sub {
  color: rgba(255,255,255,0.85);
  font-size: 1.1rem;
  max-width: 520px;
  margin-bottom: 2rem;
  line-height: 1.6;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(29,29,31,0.88) 50%, rgba(29,29,31,0.45) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 24px;
  width: 100%;
}
.hero-content h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.25;
  max-width: 600px;
  margin-bottom: 2rem;
}
.hero-content h1 em {
  font-style: italic;
  color: var(--lime);
}
.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ── SOCIAL PROOF ──────────────────────────────────────────────── */
.social-proof {
  background: var(--cloud);
  padding: 44px 0 36px;
  text-align: center;
}
.social-headline {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--blue);
  max-width: 700px;
  margin: 0 auto 1.25rem;
  line-height: 1.4;
}
.logo-marquee {
  overflow: hidden;
  padding: 8px 0;
  max-width: min(50%, 860px);
  margin: 0 auto;
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}
.logo-marquee-track {
  display: flex;
  align-items: center;
  width: max-content;
  animation: logo-scroll 60s linear infinite;
}
.logo-marquee-item {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border-radius: 8px;
  padding: 10px 16px;
  margin: 0 10px;
  width: 148px;
  height: 68px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.07);
  flex-shrink: 0;
}
.logo-marquee-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
  filter: grayscale(100%) opacity(65%);
  transition: filter 0.3s;
}
.logo-marquee-item:hover img { filter: grayscale(0%) opacity(100%); }
@keyframes logo-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── QUOTE CAROUSEL ───────────────────────────────────────────── */
.quote-carousel {
  position: relative;
  height: 160px;
  max-width: 700px;
  margin: 12px auto 0;
  padding: 0 24px;
}
.quote-slide {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  opacity: 0;
  transition: opacity 0.7s ease;
  pointer-events: none;
}
.quote-slide.active {
  opacity: 1;
  pointer-events: auto;
}
.quote-text {
  font-size: 1rem;
  font-style: italic;
  color: var(--ink);
  line-height: 1.65;
  margin: 0;
  text-align: center;
}
.quote-attr {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
}

/* ── PHOTO MOSAIC ──────────────────────────────────────────────── */
.mosaic-section { background: var(--ink); padding: 80px 0 0; }
.mosaic-header { text-align: left; padding-bottom: 32px; }
.mosaic-header .section-title { color: var(--white); font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 700; line-height: 1.15; margin-bottom: 10px; }
.mosaic-header .section-sub { color: rgba(255,255,255,0.5); font-size: 0.95rem; margin-bottom: 0; }

.photo-mosaic {
  display: flex;
  height: 180px;
  gap: 3px;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
}
.photo-mosaic::-webkit-scrollbar { display: none; }

.pm-tall {
  flex-shrink: 0;
  width: 220px;
  overflow: hidden;
  position: relative;
}
.pm-stack {
  flex-shrink: 0;
  width: 195px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.pm-stack > div {
  flex: 1;
  overflow: hidden;
  position: relative;
}
.pm-tall::after,
.pm-stack > div::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(27, 63, 110, 0.22);
  pointer-events: none;
  z-index: 1;
}
.photo-mosaic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.75);
  transition: transform 0.5s ease, filter 0.5s ease;
}
.photo-mosaic img:hover {
  transform: scale(1.06);
  filter: saturate(1);
}

/* ── SERVICE CARDS ─────────────────────────────────────────────── */
.services {
  padding: 80px 0;
  background: var(--white);
}
.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: var(--white);
  border: 1px solid var(--grey-light);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
}
.card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.card-category {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--blue);
  margin-bottom: 0.75rem;
}
.card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.75rem;
  line-height: 1.35;
}
.card p {
  font-size: 0.92rem;
  color: var(--stone);
  line-height: 1.65;
  flex: 1;
}
.card-link {
  display: inline-block;
  margin-top: 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--blue);
  transition: color var(--transition);
}
.card-link:hover { color: var(--blue-dark); }

/* ── SECTION EYEBROW ────────────────────────────────────────────── */
.section-eyebrow {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
}

/* ── USP — PLATFORM EXPLORER ────────────────────────────────────── */
.usp {
  padding: 80px 0 48px;
  background: var(--blue-light);
}
.usp-intro {
  max-width: 520px;
  margin-bottom: 64px;
}
.usp-intro h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: var(--blue-dark);
  line-height: 1.15;
  margin-bottom: 14px;
}
.usp-intro p {
  font-size: 0.95rem;
  color: var(--stone);
  line-height: 1.7;
}

/* ── Platform explorer ───────────────────────────────────────────── */
.platform-explorer {
  display: grid;
  grid-template-columns: 300px 1fr;
  min-height: 480px;
  align-items: stretch;
}
.pillar-list {
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid rgba(45,125,210,0.18);
}
.pillar-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 15px 24px 15px 0;
  cursor: pointer;
  position: relative;
  border-bottom: 1px solid rgba(45,125,210,0.08);
}
.pillar-item:first-child { border-top: 1px solid rgba(45,125,210,0.08); }
.pillar-item::after {
  content: '';
  position: absolute;
  right: -1px; top: 0; bottom: 0;
  width: 2px;
  background: var(--blue);
  transform: scaleY(0);
  transition: transform 0.25s ease;
}
.pillar-item.active::after { transform: scaleY(1); }
.pillar-item .num {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--blue);
  opacity: 0.35;
  transition: opacity 0.25s ease;
  width: 14px;
  flex-shrink: 0;
}
.pillar-item .name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--stone);
  transition: color 0.25s ease, font-size 0.25s ease;
}
.pillar-item.active .num  { opacity: 1; }
.pillar-item.active .name { color: var(--ink); font-size: 1rem; }
.pillar-item:not(.active):hover .name { color: var(--blue-dark); }

/* ── Detail panel (right) ───────────────────────────────────────── */
.pillar-detail {
  position: relative;
  padding: 48px 48px 48px 72px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.detail-panel {
  display: none;
  flex-direction: column;
  animation: pillarFadeUp 0.3s ease forwards;
  position: relative;
  z-index: 1;
  max-width: 460px;
}
.detail-panel.active { display: flex; }
@keyframes pillarFadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.detail-shape {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 55%;
  pointer-events: none;
  z-index: 0;
}
.detail-shape svg { width: 100%; height: 100%; }
.detail-eyebrow {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}
.detail-title {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--blue-dark);
  line-height: 1.15;
  margin-bottom: 18px;
}
.detail-rule {
  width: 32px; height: 2px;
  background: var(--blue);
  margin-bottom: 18px;
  border: none;
}
.detail-text {
  font-size: 0.95rem;
  color: var(--stone);
  line-height: 1.8;
}
.detail-text strong {
  color: var(--blue-dark);
  font-weight: 600;
}
.detail-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 24px;
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--blue);
  align-self: flex-start;
}
.detail-tag::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blue);
  flex-shrink: 0;
}

/* ── Platform explorer — mobile ──────────────────────────────────── */
@media (max-width: 760px) {
  .platform-explorer { grid-template-columns: 1fr; }
  .pillar-list { border-right: none; border-bottom: 1px solid rgba(45,125,210,0.18); }
  .pillar-item { padding: 15px 24px; }
  .pillar-detail { padding: 32px 24px; }
  .detail-shape { display: none; }
}

/* ── PLATFORM — APPLICATIONS ────────────────────────────────────── */
.platform {
  background: var(--ink);
  padding: 80px 0;
}
.platform-statement {
  padding: 0;
  border-bottom: none;
  margin-bottom: 0;
}
.platform-statement-only { padding-bottom: 0; }
.usp-intro-dark { padding-top: 48px; }
.usp-intro-dark h2 { color: var(--white); }
.usp-intro-dark p { color: rgba(255,255,255,0.65); }
.platform-statement h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 1.5rem;
  max-width: 720px;
}
.platform-statement p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.75;
  max-width: 680px;
  margin-bottom: 1rem;
}
.platform-statement p:last-child {
  color: rgba(255,255,255,0.88);
  font-weight: 500;
}
.platform-sub {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--teal);
  margin-bottom: 2.5rem;
}
.app-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  overflow: hidden;
}
.app-tile {
  background: var(--ink);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: background var(--transition);
}
.app-tile:hover { background: #2a2a2c; }
.app-icon {
  width: 36px;
  height: 36px;
  color: var(--teal);
}
.app-icon svg { width: 100%; height: 100%; }
.app-tile h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
}
.app-tile p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.65;
}

/* ── PLATFORM PUNCH LINE ───────────────────────────────────────── */
.platform-resources-link {
  margin-top: 2.5rem;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.45);
  text-align: center;
}
.platform-resources-link a {
  color: var(--teal);
  font-weight: 600;
  transition: color var(--transition);
}
.platform-resources-link a:hover { color: var(--teal-dark); }

.platform-punch {
  font-size: 1.3rem !important;
  font-weight: 700 !important;
  color: var(--white) !important;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.12);
  letter-spacing: -0.01em;
}

/* ── CTA STRIP ─────────────────────────────────────────────────── */
.cta-strip {
  background: var(--blue);
  padding: 80px 0;
}
.cta-strip-inner {
  text-align: center;
}
.cta-strip h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.75rem;
}
.cta-strip p {
  color: rgba(255,255,255,0.8);
  font-size: 1rem;
  margin-bottom: 2rem;
}
.cta-strip-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-strip .btn-hero-primary {
  background: var(--white);
  color: var(--blue);
}
.cta-strip .btn-hero-primary:hover {
  background: var(--blue-light);
}
.cta-strip .btn-hero-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.6);
}
.cta-strip .btn-hero-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}

/* ── ECOSYSTEM + CUSTOM ENGINEERING ────────────────────────────── */
.ecosystem {
  padding: 80px 0;
  background: var(--cloud);
}
.ecosystem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.eco-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: var(--shadow);
}
.eco-card-accent {
  border-color: var(--blue);
  box-shadow: 0 4px 24px rgba(0,122,255,0.1);
}
.eco-icon {
  width: 40px;
  height: 40px;
  color: var(--blue);
}
.eco-card-accent .eco-icon { color: var(--blue); }
.eco-icon svg { width: 100%; height: 100%; }
.eco-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
}
.eco-card p {
  font-size: 0.92rem;
  color: var(--stone);
  line-height: 1.7;
}
.eco-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 0.25rem;
  flex: 1;
}
.eco-list li {
  font-size: 0.88rem;
  color: var(--ink);
  padding-left: 1.1rem;
  position: relative;
}
.eco-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--blue);
  font-size: 0.8rem;
}

/* ── SERVICES HEADER ───────────────────────────────────────────── */
.services-h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: var(--blue-dark);
  line-height: 1.15;
  margin-bottom: 14px;
  max-width: 520px;
}
.services-link {
  display: inline-block;
  margin-top: 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--teal);
  text-decoration: none;
  transition: color var(--transition);
}
.services-link:hover { color: var(--teal-dark); }
.services-brand {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--teal);
  margin-bottom: 0.5rem;
}
.services-header h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 0.5rem;
}
.services-sub {
  color: var(--text-light);
  font-size: 1rem;
}
.services-footer {
  margin-top: 2rem;
  font-size: 0.88rem;
  color: var(--text-light);
  text-align: center;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}
.card-featured {
  border-color: var(--teal);
  box-shadow: 0 4px 24px rgba(14,155,138,0.15);
}
.card-featured .card-category { color: var(--teal); }



/* ── PRODUCTS INTRO ────────────────────────────────────────────── */
.products-intro {
  max-width: 520px;
  margin-bottom: 2.5rem;
}
.products-intro h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: var(--blue-dark);
  line-height: 1.15;
  margin-bottom: 14px;
}
.products-intro p {
  font-size: 0.95rem;
  color: var(--stone);
  line-height: 1.7;
}

/* ── INSTRUMENT CARDS ──────────────────────────────────────────── */
.instrument-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.instrument-card {
  background: var(--white);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  transition: box-shadow 0.2s;
}
.instrument-card:hover { box-shadow: 0 4px 24px rgba(0,0,0,0.10); }
.instrument-card .btn-outline::after {
  content: '';
  position: absolute;
  inset: 0;
}
.instrument-card .product-steps {
  margin-top: auto;
}
.usp-card-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.instrument-mode {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--blue);
}
.instrument-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--ink);
}
.instrument-card .btn-outline {
  margin-top: auto;
  align-self: flex-start;
}
.instrument-image {
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--cloud);
}
.instrument-image img {
  width: 100%;
  height: 220px;
  object-fit: contain;
  padding: 16px;
}
.instrument-desc {
  font-size: 0.92rem;
  color: var(--stone);
  line-height: 1.65;
  margin-bottom: 0.75rem;
}
.instrument-use {
  font-size: 0.85rem;
  color: var(--teal);
  line-height: 1.6;
  font-style: italic;
  margin-bottom: 1rem;
}
.products-connector {
  margin-top: 2rem;
  font-size: 0.95rem;
  color: var(--stone);
  line-height: 1.7;
  text-align: center;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}
@media (max-width: 760px) {
  .instrument-grid { grid-template-columns: 1fr; }
}

/* ── ENGINEERING NOTE ──────────────────────────────────────────── */
.engineering-note {
  margin-top: 1.5rem;
  font-size: 0.88rem;
  color: var(--stone);
}
.engineering-note a {
  color: var(--blue);
  font-weight: 600;
  transition: color var(--transition);
}
.engineering-note a:hover { color: var(--blue-dark); }

/* ── PRODUCTS ──────────────────────────────────────────────────── */
.products {
  padding: 48px 0 80px;
  background: var(--white);
}

.product-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-top: 56px;
  padding: 40px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.product-block.reverse { direction: rtl; }
.product-block.reverse > * { direction: ltr; }

.product-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 0.75rem;
}
.product-header h3 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ink);
}
.product-tag {
  background: var(--blue);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}
.product-desc {
  color: var(--stone);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}
.product-steps {
  list-style: none;
  counter-reset: steps;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.product-steps li {
  display: flex;
  align-items: center;
  gap: 12px;
}
.step-label {
  background: var(--ink);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 20px;
  white-space: nowrap;
}
.step-text {
  font-size: 0.95rem;
  color: var(--text);
}
.product-image img {
  border-radius: var(--radius);
  width: 100%;
  object-fit: contain;
  max-height: 320px;
  background: var(--cloud);
}
.product-image-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.product-image-duo img {
  max-height: 240px;
}

/* ── RESOURCES TEASER ──────────────────────────────────────────── */
.resources-teaser {
  padding: 80px 0;
  background: var(--ink);
}
.resources-teaser h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--white);
  text-align: center;
}
.resources-teaser .section-sub {
  color: rgba(255,255,255,0.65);
  text-align: center;
}
.card.card-light {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.12);
  box-shadow: none;
}
.card.card-light:hover {
  background: rgba(255,255,255,0.11);
  transform: translateY(-2px);
}
.card.card-light h4 { color: var(--white); }
.card.card-light p { color: rgba(255,255,255,0.65); }
.card.card-light .card-link { color: var(--teal); }
.card.card-light .card-link:hover { color: var(--teal-dark); }
.resource-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--teal);
  margin-bottom: 0.75rem;
}
.section-cta {
  text-align: center;
  margin-top: 2.5rem;
}
.resources-teaser .btn-outline {
  border-color: var(--white);
  color: var(--white);
}
.resources-teaser .btn-outline:hover {
  background: var(--white);
  color: var(--ink);
}

/* ── FOUNDER QUOTE ─────────────────────────────────────────────── */
.founder {
  padding: 80px 0;
  background: var(--cloud);
}
.founder-inner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 48px;
  align-items: center;
}
.founder-photo img {
  width: 180px;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius);
}
.founder-text blockquote {
  font-size: 1.15rem;
  font-style: italic;
  color: var(--ink);
  line-height: 1.7;
  margin-bottom: 1.25rem;
  position: relative;
  padding-left: 1.5rem;
  border-left: 3px solid var(--blue);
}
.founder-text cite {
  font-style: normal;
  font-size: 0.9rem;
  color: var(--stone);
  line-height: 1.5;
}
.founder-text cite strong {
  color: var(--ink);
  display: block;
  font-size: 1rem;
  margin-bottom: 2px;
}

/* ── CONTACT FORM ──────────────────────────────────────────────── */
.contact {
  padding: 80px 0;
  background: var(--blue-light);
}
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 56px;
  align-items: start;
}
.contact-left h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.75rem;
}
.contact-left p { color: var(--stone); font-size: 0.95rem; }

.contact-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.15);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-field-full { margin-bottom: 16px; }
.form-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}
.form-field input,
.form-field select,
.form-field textarea {
  border: 1px solid var(--grey-light);
  border-radius: 4px;
  padding: 10px 12px;
  font-size: 0.95rem;
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition);
  width: 100%;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--purple);
}
.form-field textarea { resize: vertical; }

/* ── FOOTER ────────────────────────────────────────────────────── */
.footer {
  background: var(--ink);
  color: rgba(255,255,255,0.75);
  padding: 64px 0 0;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 48px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-col-wide .footer-logo { margin-bottom: 1.25rem; height: 42px; width: auto; }
.footer-col p {
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 0.5rem;
}
.footer-col a { color: rgba(255,255,255,0.65); transition: color var(--transition); font-size: 0.88rem; }
.footer-col a:hover { color: var(--white); }
.footer-col h5 {
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-affibio-desc {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}
.footer-affibio-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--teal) !important;
}
.footer-affibio-link:hover { color: var(--teal-light) !important; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 24px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
}

/* ── AOS FALLBACK — visible by default, AOS overrides on init ── */
[data-aos] {
  opacity: 1 !important;
  transform: none !important;
}

/* ── RESPONSIVE ────────────────────────────────────────────────── */

/* Tablet (≤960px) */
@media (max-width: 960px) {
  .card-grid-3        { grid-template-columns: 1fr 1fr; }
  .app-grid           { grid-template-columns: 1fr 1fr; }
  .ecosystem-grid     { grid-template-columns: 1fr; }
  .product-block      { grid-template-columns: 1fr; gap: 32px; }
  .product-block.reverse { direction: ltr; }
  .founder-inner      { grid-template-columns: 1fr; }
  .founder-photo img  { width: 140px; height: 170px; }
  .contact-inner      { grid-template-columns: 1fr; gap: 32px; }
  .footer-inner       { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* Mobile (≤640px) */
@media (max-width: 640px) {
  /* Nav */
  .nav-links {
    display: none;
    position: absolute;
    top: 68px; left: 0; right: 0;
    height: auto;
    background: var(--ink);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 1.25rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    z-index: 999;
  }
  .nav-links.open  { display: flex; }
  .nav-hamburger   { display: flex; }

  /* Hero */
  .hero            { min-height: 92vh; }
  .hero-content    { padding: 60px 20px; }
  .hero-content h1 { font-size: clamp(1.7rem, 7vw, 2.2rem); }
  .hero-sub        { font-size: 1rem; }
  .hero-ctas       { flex-direction: column; }
  .btn-hero-primary,
  .btn-hero-secondary { text-align: center; width: 100%; }

  /* Section padding */
  .usp            { padding: 48px 0 32px; }
  .products       { padding: 32px 0 48px; }
  .platform       { padding: 48px 0; }
  .services       { padding: 48px 0; }
  .mosaic-section { padding: 40px 0 0; }
  .contact        { padding: 48px 0; }
  .social-proof   { padding: 32px 0 24px; }

  /* Social proof */
  .logo-marquee       { max-width: 94%; }
  .social-headline    { font-size: 1.05rem; padding: 0 20px; }
  .quote-carousel     { height: 210px; }
  .quote-text         { font-size: 0.92rem; }

  /* USP platform explorer */
  .usp-intro          { margin-bottom: 36px; }
  .pillar-detail      { padding: 28px 20px; }

  /* App grid */
  .app-grid           { grid-template-columns: 1fr; }
  .app-tile           { padding: 24px 20px; }

  /* Instrument cards */
  .instrument-grid    { grid-template-columns: 1fr; }
  .instrument-card    { padding: 28px 24px; }

  /* Cards */
  .card-grid-3        { grid-template-columns: 1fr; }

  /* Contact form */
  .contact-form       { padding: 24px 20px; }
  .form-row           { grid-template-columns: 1fr; }

  /* Footer */
  .footer             { padding: 48px 0 0; }
  .footer-inner       { grid-template-columns: 1fr; gap: 32px; }
  .product-block      { padding: 24px; }

  /* Mosaic header alignment */
  .mosaic-header      { padding-bottom: 24px; }
}


/* ═══════════════════════════════════════════════════════════════
   DIAGRAM SYSTEM — Affinité Instruments
   ─────────────────────────────────────────────────────────────
   All inline SVG illustrations and data cartoons on the site
   use this shared set of classes.

   COLOUR TOKENS (use these fill/stroke values inside SVGs):
     Teal   — positive, capture, "bound":    var(--teal)   / #0E9B8A
     Blue   — covalent, data, structure:     var(--blue)   / #2D7DD2
     Amber  — sensor surface, highlight:     var(--amber)  / #E8A000
     Navy   — dark diagram bg, deep lines:   var(--blue-dark) / #1B3F6E
     Error  — bad data, problem pattern:     #e53e3e
     Drift  — warning, partial state:        #dd6b20
     Muted  — inaccessible, greyed-out:      #b0b8c8
     Labels — annotation text inside SVGs:   #5A6070

   BACKGROUND TOKENS:
     Light / science diagrams (anatomy, molecules): #eef2f9 (blue tint)
                                                     #eaf7f5 (teal tint)
     Dark  / data diagrams (sensorgrams, charts):    #0B1E3D (navy gradient)

   TYPOGRAPHY INSIDE SVGs:
     Body labels:   font-family="DM Sans,Arial,sans-serif"
     Mono labels:   font-family="IBM Plex Mono,monospace"
     Small note:    font-size="7"–"8"
     Annotation:    font-size="9"–"10"
     Title/heading: font-size="12"–"16"

   ASPECT RATIOS / viewBox conventions:
     Compact card diagram (side-by-side): viewBox="0 0 260 148"  (~16:9)
     Full-width article diagram:          viewBox="0 0 600 192"  (~3:1)
   ─────────────────────────────────────────────────────────────── */

/* ── Outer figure (diagram + optional caption) ──────────────── */
.diagram-figure {
  margin: 0 0 20px;
}

/* ── SVG container ───────────────────────────────────────────── */
.diagram-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
}
.diagram-wrap svg {
  display: block;
  width: 100%;
  height: auto;
}

/* Light variant — science / anatomy / molecule diagrams */
.diagram-light {
  background: #eef2f9;
  border-bottom: 1px solid var(--border);
}
/* Teal-tinted light variant (capture / affinity diagrams) */
.diagram-light-teal {
  background: #eaf7f5;
  border-bottom: 1px solid var(--border);
}
/* Dark variant — data / sensorgram / chart diagrams */
.diagram-dark {
  background: linear-gradient(135deg, #0B1E3D 0%, #0f2a50 100%);
  border-color: rgba(255,255,255,0.08);
}

/* ── Optional caption below the diagram ─────────────────────── */
.diagram-caption {
  font-size: 0.78rem;
  color: var(--stone);
  line-height: 1.5;
  margin-top: 8px;
  font-style: italic;
}

/* ── Two-column diagram layout ───────────────────────────────── */
.diagram-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

@media (max-width: 640px) {
  .diagram-2col { grid-template-columns: 1fr; }
}

/* ── Credential bar (index-v2) ───────────────────────────────── */
.cred-bar {
  background: var(--ink);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.cred-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}
.cred-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 28px 36px;
  text-align: center;
}
.cred-num {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--teal);
  line-height: 1;
  margin-bottom: 6px;
}
.cred-label {
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.45);
}
.cred-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  flex-shrink: 0;
}
@media (max-width: 680px) {
  .cred-inner { gap: 0; }
  .cred-item { padding: 20px 20px; }
  .cred-divider { display: none; }
  .cred-num { font-size: 1.75rem; }
}

/* ── Platform network background SVG ────────────────────────── */
.platform-network-bg {
  position: absolute;
  left: -40px;
  top: 50%;
  transform: translateY(-50%);
  width: 460px;
  height: 380px;
  pointer-events: none;
  opacity: 0.9;
}
.platform-network-bg svg {
  width: 100%;
  height: 100%;
}
@media (max-width: 768px) {
  .platform-network-bg { display: none; }
}

/* ── Platform statement two-column + logo network ────────────── */
.platform-statement-inner {
  max-width: 760px;
}
.platform-statement-text {
  width: 100%;
}
.platform-network-right {
  position: relative;
  width: 400px;
  height: 380px;
  flex-shrink: 0;
}
.net-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.net-node {
  position: absolute;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(32,178,170,0.25);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}
.net-node img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 5px;
  filter: brightness(1.15) grayscale(0.2);
}
.net-hub {
  position: absolute;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(32,178,170,0.18);
  border: 1px solid rgba(32,178,170,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}
.net-hub img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}
@media (max-width: 900px) {
  .platform-statement-inner { flex-direction: column; gap: 40px; }
  .platform-network-right { width: 100%; max-width: 380px; margin: 0 auto; }
}

/* ── Network node color variants ────────────────────────────── */
.net-node-teal  { border-color: rgba(14,155,138,0.35);  background: rgba(14,155,138,0.06);  }
.net-node-amber { border-color: rgba(255,184,0,0.35);   background: rgba(255,184,0,0.06);   }

/* ── Network hub pulse ───────────────────────────────────────── */
.net-hub-pulse {
  transform-origin: 285px 198px;
  animation: hubPulse 3s ease-in-out infinite;
}
@keyframes hubPulse {
  0%, 100% { r: 9;  opacity: 0.28; }
  50%       { r: 14; opacity: 0.12; }
}
.platform-network-right {
  width: 520px;
  height: 400px;
}

/* ═══════════════════════════════════════════════════════════════
   BLOG POST PAGES
   ═══════════════════════════════════════════════════════════════ */
.post-hero {
  background: var(--ink);
  padding: 110px 24px 68px;
  text-align: center;
}
.post-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--white);
  max-width: 780px;
  margin: 0 auto;
  font-weight: 700;
  line-height: 1.25;
}
.post-meta {
  color: rgba(255,255,255,0.45);
  font-size: 0.88rem;
  margin-top: 16px;
}
.post-cat-pill {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.2);
}
.post-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 24px 88px;
}
.post-body h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--ink);
  margin: 44px 0 16px;
  line-height: 1.35;
}
.post-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  margin: 28px 0 10px;
}
.post-body p {
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--stone);
  margin: 0 0 22px;
}
.post-body strong { color: var(--ink); }
.post-body em { font-style: italic; }
.post-body a { color: var(--blue); text-decoration: underline; }
.post-body ul,
.post-body ol {
  margin: 0 0 22px 1.5em;
  color: var(--stone);
  line-height: 1.85;
}
.post-body li { margin-bottom: 8px; }
.post-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--stone);
  text-decoration: none;
  margin-bottom: 40px;
  transition: color 0.15s;
}
.post-back:hover { color: var(--blue); }
/* Optional featured image slot — show by adding an <img> inside */
.post-featured-img {
  width: 100%;
  height: 340px;
  border-radius: 10px;
  margin-bottom: 44px;
  overflow: hidden;
  background: var(--cloud);
}
.post-featured-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.post-cta {
  background: var(--ink);
  padding: 80px 24px;
  text-align: center;
  color: var(--white);
}
.post-cta h2 {
  color: var(--white);
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin: 0 0 14px;
}
.post-cta p {
  color: rgba(255,255,255,0.65);
  max-width: 480px;
  margin: 0 auto 32px;
  line-height: 1.65;
}
.post-cta-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-cta-white {
  background: var(--white);
  color: var(--blue);
  padding: 12px 28px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: opacity 0.15s;
}
.btn-cta-white:hover { opacity: 0.9; }
.btn-cta-outline {
  border: 2px solid rgba(255,255,255,0.4);
  color: var(--white);
  padding: 10px 28px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: border-color 0.15s;
}
.btn-cta-outline:hover { border-color: rgba(255,255,255,0.75); }