/* ============================================================
   TRADLE v2 — Bold Enterprise Design
   Inspired by NTT DATA: strong gradients, vivid blues, warmth
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;600;700;800&family=Source+Serif+4:ital,wght@0,300;0,400;0,600;1,300;1,400&display=swap');

/* --- Tokens -------------------------------------------------- */
:root {
  --navy:        #0B2545;
  --navy2:       #0D3068;
  --blue:        #1565C0;
  --blue-mid:    #1976D2;
  --blue-bright: #2196F3;
  --teal:        #00ACC1;
  --teal-light:  #26C6DA;
  --cyan:        #00E5FF;
  --white:       #FFFFFF;
  --off-white:   #F4F8FF;
  --slate:       #64748B;
  --ink:         #0D1B2A;
  --rule:        #E0ECF8;

  /* Gradients */
  --grad-hero:   linear-gradient(135deg, #0B2545 0%, #0D3068 45%, #1565C0 100%);
  --grad-teal:   linear-gradient(135deg, #006064 0%, #00ACC1 100%);
  --grad-blue:   linear-gradient(135deg, #1565C0 0%, #2196F3 100%);
  --grad-card:   linear-gradient(145deg, #0D3068 0%, #1565C0 100%);
  --grad-mid:    linear-gradient(135deg, #0B2545 0%, #1565C0 60%, #00ACC1 100%);

  --sans:   'Sora', 'Helvetica Neue', Arial, sans-serif;
  --serif:  'Source Serif 4', Georgia, serif;

  --max:    1280px;
  --gap:    clamp(24px, 4vw, 64px);
  --ease:   cubic-bezier(0.22, 1, 0.36, 1);
}

/* --- Reset --------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; transition: color .2s; }
a:hover { color: var(--teal); }

/* --- Utility ------------------------------------------------- */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gap); }
.section { padding: clamp(72px, 9vw, 128px) 0; }
.section--sm { padding: clamp(48px, 6vw, 80px) 0; }

/* --- Typography ---------------------------------------------- */
h1,h2,h3,h4 { font-family: var(--sans); font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; }
h1 { font-size: clamp(40px, 6vw, 80px); }
h2 { font-size: clamp(30px, 4vw, 52px); }
h3 { font-size: clamp(20px, 2.4vw, 28px); }
h4 { font-size: 13px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; }

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 18px;
}
.eyebrow--white { color: rgba(255,255,255,0.7); }

.lede {
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
  color: var(--slate);
  max-width: 52ch;
}
.lede--white { color: rgba(255,255,255,0.82); }

/* --- Buttons ------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 30px;
  font-family: var(--sans); font-size: 15px; font-weight: 600;
  border-radius: 3px; border: 2px solid transparent;
  cursor: pointer; transition: all .2s var(--ease);
  letter-spacing: -0.01em; white-space: nowrap;
}
.btn--primary {
  background: var(--teal); color: var(--white);
  border-color: var(--teal);
}
.btn--primary:hover { background: var(--teal-light); border-color: var(--teal-light); color: var(--white); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,172,193,0.35); }

.btn--white {
  background: var(--white); color: var(--navy);
  border-color: var(--white);
}
.btn--white:hover { background: var(--off-white); color: var(--navy); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255,255,255,0.25); }

.btn--outline {
  background: transparent; color: var(--white);
  border-color: rgba(255,255,255,0.5);
}
.btn--outline:hover { border-color: var(--white); background: rgba(255,255,255,0.1); color: var(--white); }

.btn .arr { transition: transform .2s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }

/* --- Nav ----------------------------------------------------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11, 37, 69, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 84px;
}
.nav__logo { display: flex; align-items: center; }
.nav__logo img { height: 64px; width: auto; }

.nav__links { display: flex; align-items: center; gap: 36px; }
.nav__link {
  font-size: 14px; font-weight: 600; color: rgba(255,255,255,0.8);
  letter-spacing: 0.02em; transition: color .2s;
}
.nav__link:hover { color: var(--cyan); }
.nav__link.active { color: var(--white); }

@media (max-width: 840px) {
  .nav__links { gap: 16px; }
  .nav__link:not(.btn--primary) { display: none; }
}

/* --- Hero ---------------------------------------------------- */
.hero {
  background: var(--grad-hero);
  position: relative; overflow: hidden;
  padding: clamp(48px, 6vw, 88px) 0 clamp(60px, 8vw, 100px);
  min-height: 72vh;
  display: flex; align-items: center;
}

/* Animated mesh background */
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(0,172,193,0.18) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 20% 80%, rgba(21,101,192,0.25) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 90% 90%, rgba(0,229,255,0.12) 0%, transparent 60%);
  animation: meshShift 8s ease-in-out infinite alternate;
}
@keyframes meshShift {
  from { opacity: 0.7; transform: scale(1); }
  to   { opacity: 1;   transform: scale(1.04); }
}

/* Grid lines decoration */
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
  position: relative; z-index: 1;
}
@media (max-width: 900px) { .hero__grid { grid-template-columns: 1fr; } }

.hero__content h1 {
  color: var(--white);
  margin-bottom: 24px;
}
.hero__content h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--teal-light), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__sub {
  font-size: clamp(16px, 1.6vw, 20px);
  color: rgba(255,255,255,0.78);
  max-width: 46ch;
  line-height: 1.6;
  margin-bottom: 14px;
}
.hero__proof {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  font-style: italic;
  margin-bottom: 36px;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; }

/* Bull logo as hero visual */
.hero__visual {
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.hero__bull {
  width: 100%;
  max-width: 420px;
  opacity: 0.15;
  filter: brightness(2) saturate(0);
  animation: bullPulse 5s ease-in-out infinite;
}
@keyframes bullPulse {
  0%,100% { opacity: 0.12; transform: scale(1); }
  50%      { opacity: 0.2;  transform: scale(1.03); }
}

.hero__cards {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: center; gap: 16px;
  padding: 24px;
}
.hero__card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  padding: 16px 20px;
  backdrop-filter: blur(8px);
  display: flex; align-items: center; gap: 14px;
  animation: cardFloat 0.6s var(--ease) both;
}
.hero__card:nth-child(1) { animation-delay: 0.1s; }
.hero__card:nth-child(2) { animation-delay: 0.25s; }
.hero__card:nth-child(3) { animation-delay: 0.4s; }
@keyframes cardFloat {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}
.hero__card-icon {
  width: 40px; height: 40px; border-radius: 8px;
  background: var(--grad-teal);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 18px;
}
.hero__card-text strong {
  display: block; color: var(--white); font-size: 14px; font-weight: 600; margin-bottom: 2px;
}
.hero__card-text span { color: rgba(255,255,255,0.6); font-size: 12px; }

/* --- Stats bar ----------------------------------------------- */
.stats-bar {
  background: var(--navy);
  padding: 0;
}
.stats-bar__inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255,255,255,0.08);
}
@media (max-width: 680px) { .stats-bar__inner { grid-template-columns: 1fr; } }

.stat {
  padding: 44px 40px;
  border-right: 1px solid rgba(255,255,255,0.08);
  position: relative;
}
.stat:last-child { border-right: 0; }
.stat__num {
  font-size: clamp(44px, 5.5vw, 68px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  background: linear-gradient(135deg, var(--teal-light), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}
.stat__label { font-size: 14px; color: rgba(255,255,255,0.65); line-height: 1.5; max-width: 28ch; }

/* --- Section: The Problem (white) ---------------------------- */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 7vw, 96px);
  align-items: center;
}
@media (max-width: 820px) { .problem-grid { grid-template-columns: 1fr; } }

.problem-quote {
  font-family: var(--serif);
  font-size: clamp(26px, 3.5vw, 42px);
  font-weight: 400;
  font-style: italic;
  color: var(--navy);
  line-height: 1.3;
  letter-spacing: -0.01em;
  position: relative;
  padding-left: 32px;
  border-left: 4px solid var(--teal);
}

.problem-list { list-style: none; display: flex; flex-direction: column; gap: 24px; }
.problem-list li {
  display: flex; gap: 16px; align-items: flex-start;
}
.problem-list li .icon {
  width: 44px; height: 44px; border-radius: 8px;
  background: var(--off-white);
  border: 1px solid var(--rule);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
}
.problem-list li .text strong { display: block; color: var(--navy); font-size: 15px; margin-bottom: 3px; }
.problem-list li .text p { font-size: 14px; color: var(--slate); line-height: 1.5; }

/* --- Pillars section (gradient bg) --------------------------- */
.pillars-section {
  background: var(--grad-mid);
  position: relative; overflow: hidden;
}
.pillars-section::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 70% at 80% 20%, rgba(0,229,255,0.1) 0%, transparent 60%);
}

.pillars-head {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: end;
  margin-bottom: clamp(48px, 6vw, 72px);
  position: relative; z-index: 1;
}
@media (max-width: 720px) { .pillars-head { grid-template-columns: 1fr; } }

.pillars-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px;
  position: relative; z-index: 1;
}
@media (max-width: 640px) { .pillars-grid { grid-template-columns: 1fr; } }

.pillar {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 40px 36px;
  transition: background .25s var(--ease);
}
.pillar:hover { background: rgba(255,255,255,0.11); }

.pillar__num {
  font-family: monospace; font-size: 11px; letter-spacing: 0.14em;
  color: var(--cyan); margin-bottom: 20px; display: block;
}
.pillar h3 { color: var(--white); margin-bottom: 14px; font-size: 22px; }
.pillar p { font-size: 14.5px; color: rgba(255,255,255,0.72); line-height: 1.6; }
.pillar__tag {
  display: inline-block; margin-top: 20px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--cyan); padding: 4px 10px; border: 1px solid rgba(0,229,255,0.3); border-radius: 2px;
}

/* --- Use cases (light) --------------------------------------- */
.cases-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin-top: 56px;
}
@media (max-width: 900px) { .cases-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 540px) { .cases-grid { grid-template-columns: 1fr; } }

.case-card {
  background: var(--white); padding: 36px 28px;
  display: flex; flex-direction: column; gap: 12px;
  transition: background .2s;
  color: var(--ink);
}
.case-card:hover { background: var(--off-white); text-decoration: none; }
.case-card__num {
  font-family: monospace; font-size: 11px; letter-spacing: 0.14em;
  color: var(--teal); text-transform: uppercase;
}
.case-card h3 { font-size: 21px; color: var(--navy); }
.case-card p { font-size: 14px; color: var(--slate); line-height: 1.55; flex: 1; }
.case-card__more {
  font-size: 13px; font-weight: 600; color: var(--blue);
  display: flex; align-items: center; gap: 6px; margin-top: 8px;
}
.case-card:hover .case-card__more { color: var(--teal); }

/* --- Platform layer cake ------------------------------------- */
.layer-cake {
  max-width: 720px; margin: 48px auto 0;
  display: flex; flex-direction: column; gap: 3px;
}
.layer {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 28px;
  border: 1px solid var(--rule);
  background: var(--white);
  font-size: 15px;
}
.layer--hero {
  background: var(--grad-blue);
  border-color: var(--blue); color: var(--white);
}
.layer--hero .layer__role { color: rgba(255,255,255,0.7); }
.layer__name { font-weight: 600; font-family: var(--serif); font-size: 19px; }
.layer--hero .layer__name { color: var(--white); }
.layer__role {
  font-size: 11px; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--slate);
}

/* --- Credibility (dark) -------------------------------------- */
.cred-section { background: var(--navy); }

.cred-grid {
  display: grid; grid-template-columns: 1fr 2fr; gap: clamp(48px, 7vw, 96px);
  align-items: start;
}
@media (max-width: 820px) { .cred-grid { grid-template-columns: 1fr; } }

.cred-items {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: rgba(255,255,255,0.06);
}
@media (max-width: 640px) { .cred-items { grid-template-columns: repeat(2,1fr); } }

.cred-item {
  background: rgba(255,255,255,0.03);
  padding: 28px 24px;
  border-top: 2px solid var(--teal);
  transition: background .2s;
}
.cred-item:hover { background: rgba(255,255,255,0.07); }
.cred-item__name {
  font-family: var(--serif); font-size: 20px; color: var(--white);
  margin-bottom: 8px; letter-spacing: -0.01em;
}
.cred-item__desc { font-size: 13px; color: rgba(255,255,255,0.55); line-height: 1.5; }

/* --- Team grid ----------------------------------------------- */
.team-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin-top: 56px;
}
@media (max-width: 900px) { .team-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 540px) { .team-grid { grid-template-columns: 1fr; } }

.team-card { background: var(--white); overflow: hidden; }

.team-card__photo {
  width: 100%; aspect-ratio: 1/1; overflow: hidden;
  background: var(--off-white);
  position: relative;
}
.team-card__photo img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s var(--ease);
}
.team-card:hover .team-card__photo img { transform: scale(1.04); }

/* Colour overlay on hover */
.team-card__photo::after {
  content: '';
  position: absolute; inset: 0;
  background: var(--grad-blue);
  opacity: 0;
  transition: opacity .3s;
}
.team-card:hover .team-card__photo::after { opacity: 0.2; }

.team-card__info { padding: 24px 22px 28px; }
.team-card__name {
  font-size: 19px; font-weight: 700; color: var(--navy);
  margin-bottom: 4px; letter-spacing: -0.01em;
}
.team-card__role {
  font-size: 12px; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--teal);
  margin-bottom: 12px;
}
.team-card__bio { font-size: 13.5px; color: var(--slate); line-height: 1.55; }

/* --- Closing CTA (gradient) ---------------------------------- */
.cta-section {
  background: var(--grad-hero);
  position: relative; overflow: hidden;
  padding: clamp(80px, 10vw, 130px) 0;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 60% at 30% 50%, rgba(0,172,193,0.2) 0%, transparent 70%);
}

.cta-inner {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; align-items: start;
  position: relative; z-index: 1;
}
@media (max-width: 820px) { .cta-inner { grid-template-columns: 1fr; gap: 36px; } }

.cta-inner h2 { color: var(--white); font-size: clamp(30px, 3.8vw, 48px); max-width: 22ch; line-height: 1.15; }
.cta-inner h2 em { font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--cyan); }
.cta-detail { color: rgba(255,255,255,0.72); font-size: 16px; line-height: 1.65; margin-bottom: 28px; }

/* --- Contact form -------------------------------------------- */
.contact-grid {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(48px, 7vw, 96px);
}
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }

.form { display: flex; flex-direction: column; gap: 20px; }
.field label {
  display: block; font-size: 12px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--slate); margin-bottom: 8px;
}
.field input, .field select, .field textarea {
  width: 100%; font-family: var(--sans); font-size: 15px;
  padding: 13px 16px;
  border: 1px solid var(--rule); border-radius: 3px;
  background: var(--white); color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0,172,193,0.12);
}
.field textarea { resize: vertical; min-height: 120px; }

.contact-aside h4 { color: var(--navy); margin-bottom: 12px; }
.contact-aside p { color: var(--ink); font-size: 15px; line-height: 1.65; margin-bottom: 28px; }
.contact-aside a { color: var(--blue); border-bottom: 1px solid var(--rule); padding-bottom: 1px; }
.contact-aside a:hover { color: var(--teal); border-color: var(--teal); }

/* --- Footer -------------------------------------------------- */
.footer { background: var(--ink); padding: 64px 0 36px; }
.footer__grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
  margin-bottom: 56px;
}
@media (max-width: 820px) { .footer__grid { grid-template-columns: 1fr 1fr; } }

.footer__brand img { height: 64px; width: auto; margin-bottom: 20px; }
.footer__brand p { font-size: 14px; color: rgba(255,255,255,0.5); max-width: 32ch; line-height: 1.6; }

.footer__col h4 { color: rgba(255,255,255,0.4); margin-bottom: 16px; font-size: 11px; }
.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer__col a { color: rgba(255,255,255,0.7); font-size: 14px; transition: color .2s; }
.footer__col a:hover { color: var(--cyan); }

.footer__base {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 13px; color: rgba(255,255,255,0.35);
}

/* --- Page header (interior pages) --------------------------- */
.page-hero {
  background: var(--grad-hero);
  padding: clamp(64px, 8vw, 104px) 0 clamp(56px, 7vw, 88px);
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 60% at 80% 50%, rgba(0,172,193,0.18) 0%, transparent 70%);
}
.page-hero .wrap { position: relative; z-index: 1; }
.page-hero__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: end;
}
@media (max-width: 820px) { .page-hero__grid { grid-template-columns: 1fr; gap: 24px; } }
.page-hero h1 { color: var(--white); }
.page-hero .lede { color: rgba(255,255,255,0.78); max-width: 48ch; }

/* --- Capability blocks (platform page) ---------------------- */
.capability {
  display: grid; grid-template-columns: 1fr 1.8fr; gap: clamp(40px, 6vw, 80px);
  padding: clamp(48px, 5vw, 72px) 0;
  border-top: 1px solid var(--rule);
}
@media (max-width: 740px) { .capability { grid-template-columns: 1fr; gap: 16px; } }
.capability__num { font-family: monospace; font-size: 11px; letter-spacing: 0.14em; color: var(--teal); margin-bottom: 10px; }
.capability h3 { font-size: clamp(24px, 2.8vw, 34px); color: var(--navy); max-width: 14ch; }
.capability__body p { font-size: 16.5px; line-height: 1.7; color: var(--slate); margin-bottom: 18px; }
.capability__body p strong { color: var(--navy); }
.capability__body p:first-child { color: var(--ink); }

/* --- Use case detail (use-cases page) ----------------------- */
.uc-section { padding: clamp(60px, 7vw, 96px) 0; }
.uc-section:nth-child(even) { background: var(--off-white); }
.uc-head {
  display: grid; grid-template-columns: 1fr 1.6fr; gap: 64px; align-items: end;
  margin-bottom: 48px;
}
@media (max-width: 740px) { .uc-head { grid-template-columns: 1fr; gap: 16px; } }

.uc-steps { display: flex; flex-direction: column; }
.uc-step {
  display: grid; grid-template-columns: 180px 1fr; gap: 40px;
  padding: 32px 0; border-top: 1px solid var(--rule);
}
@media (max-width: 640px) { .uc-step { grid-template-columns: 1fr; gap: 8px; } }
.uc-step h3 { font-size: 20px; color: var(--navy); }
.uc-step p, .uc-step ul { font-size: 15.5px; color: var(--slate); line-height: 1.7; }
.uc-step ul { padding-left: 20px; }
.uc-step li { margin-bottom: 8px; }
.uc-step li strong { color: var(--ink); }

/* --- About / prose (company page) --------------------------- */
.prose { max-width: 72ch; }
.prose h2 { font-size: clamp(28px, 3.5vw, 40px); color: var(--navy); margin: 56px 0 18px; }
.prose h2:first-child { margin-top: 0; }
.prose p { font-size: 17px; line-height: 1.75; color: var(--ink); margin-bottom: 22px; }
.prose ul { padding-left: 22px; margin-bottom: 22px; }
.prose li { font-size: 16px; color: var(--ink); line-height: 1.65; margin-bottom: 10px; }

.two-col-prose {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(48px, 6vw, 80px);
  align-items: start;
}
@media (max-width: 820px) { .two-col-prose { grid-template-columns: 1fr; } }

/* --- Animated accent line ------------------------------------ */
.accent-line {
  display: block; width: 56px; height: 3px;
  background: var(--grad-teal);
  margin: 20px 0 32px;
}

/* --- Scrolling animation (subtle) ---------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .fade-up {
    opacity: 0; transform: translateY(24px);
    transition: opacity .7s var(--ease), transform .7s var(--ease);
  }
  .fade-up.visible { opacity: 1; transform: none; }
}

/* ============================================================
   V4 ADDITIONS — single-page layout components
   ============================================================ */

/* --- Hero refinements ---------------------------------------- */
.hero h1 em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

/* --- Problem expanded ---------------------------------------- */
.problem-quote-sub {
  margin-top: 20px;
  font-size: 17px;
  line-height: 1.65;
  color: var(--slate);
  max-width: 36ch;
}

.problem-coda {
  margin-top: 72px;
  padding: 36px 40px;
  background: linear-gradient(135deg, rgba(11,37,69,0.04) 0%, rgba(0,172,193,0.06) 100%);
  border-left: 4px solid var(--teal);
  border-radius: 4px;
}
.problem-coda__label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--navy);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.problem-coda p {
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink);
  max-width: 76ch;
}

/* --- Architecture diagram ------------------------------------ */
.architecture {
  margin-top: 64px;
  padding: 48px clamp(24px, 4vw, 56px);
  background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, rgba(0,229,255,0.03) 100%);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
}
.architecture svg {
  width: 100%; height: auto;
  display: block;
}
.architecture__caption {
  margin-top: 32px;
  max-width: 84ch;
  font-size: 16px;
  line-height: 1.65;
  color: rgba(255,255,255,0.7);
}
.architecture__caption em {
  font-family: var(--serif);
  font-style: italic;
  color: var(--cyan);
}

@media (max-width: 720px) {
  .architecture { padding: 24px 16px; }
}

/* --- Pillars: light variant for off-white section ------------ */
.pillars-grid--light .pillar { background: var(--white); border: 1px solid var(--rule); }
.pillar--light h3 { color: var(--navy); }
.pillar--light p { color: var(--slate); }
.pillar--light .pillar__num { color: var(--blue); }
.pillar__tag--light { background: rgba(0,172,193,0.1); color: var(--teal); }

/* --- Use case stack (replaces 4-card grid) ------------------- */
.uc-stack { display: flex; flex-direction: column; gap: 0; }

.uc-row {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 56px;
  padding: 48px 0;
  border-top: 1px solid var(--rule);
}
.uc-row:last-child { border-bottom: 1px solid var(--rule); }

.uc-row__head { display: flex; align-items: flex-start; gap: 20px; }
.uc-row__num {
  font-family: var(--serif);
  font-size: 48px;
  font-weight: 300;
  font-style: italic;
  color: var(--teal);
  line-height: 1;
  flex-shrink: 0;
}
.uc-row__head h3 {
  font-size: 28px;
  color: var(--navy);
  margin-top: 4px;
}
.uc-row__body { max-width: 64ch; }
.uc-row__lede {
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink);
  font-weight: 500;
  margin-bottom: 18px;
}
.uc-row__body p { font-size: 16px; line-height: 1.7; color: var(--slate); margin-bottom: 14px; }
.uc-row__body p:last-child { margin-bottom: 0; }
.uc-row__body strong { color: var(--navy); }

@media (max-width: 820px) {
  .uc-row { grid-template-columns: 1fr; gap: 28px; padding: 36px 0; }
}

/* --- Beliefs list ------------------------------------------- */
.belief-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 16px;
}
.belief-list li {
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--slate);
  padding-left: 20px;
  border-left: 2px solid var(--teal);
}
.belief-list strong { color: var(--navy); display: block; margin-bottom: 4px; }

/* --- Inline form on CTA ------------------------------------- */
.form--cta {
  margin-top: 32px;
  background: rgba(255,255,255,0.06);
  padding: 32px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.1);
  display: flex; flex-direction: column; gap: 18px;
  max-width: 720px;
}
.form--cta .form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 640px) { .form--cta .form__row { grid-template-columns: 1fr; } }

.form--cta .field { display: flex; flex-direction: column; gap: 6px; }
.form--cta label {
  font-size: 12px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: rgba(255,255,255,0.6);
}
.form--cta input,
.form--cta select,
.form--cta textarea {
  font-family: var(--sans); font-size: 15px;
  background: rgba(255,255,255,0.08); color: white;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 6px; padding: 11px 14px;
  transition: border-color 0.2s, background 0.2s;
}
.form--cta input:focus,
.form--cta select:focus,
.form--cta textarea:focus {
  outline: none;
  border-color: var(--cyan);
  background: rgba(255,255,255,0.12);
}
.form--cta textarea { resize: vertical; min-height: 90px; }
.form--cta select option { background: var(--navy); color: white; }
.form--cta .btn { align-self: flex-start; margin-top: 6px; }
.form__note { font-size: 13px; color: rgba(255,255,255,0.5); margin: 0; }

.cta-direct {
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.cta-direct p { color: rgba(255,255,255,0.75); font-size: 15px; line-height: 1.7; margin-bottom: 8px; }
.cta-direct strong { color: white; }
.cta-direct a { color: var(--cyan); }
.cta-direct a:hover { color: var(--white); }

/* --- Smooth anchor scroll offset for sticky nav -------------- */
section[id], div[id] { scroll-margin-top: 88px; }