/* ================================================================
   Huntlogic Advisory — Design System
   Palette: Ink & Brass
   Fonts: Fraunces (headings) + Inter (body)
   ================================================================ */

/* ── Custom Properties ────────────────────────────────────────── */
:root {
  --surface:     #F7F5F1;
  --surface-2:   #EDEAE3;
  --text:        #0E0F12;
  --text-mid:    #4A4A4A;
  --text-light:  #888580;
  --navy:        #102A43;
  --navy-dark:   #0B1E30;
  --brass:       #A88A5C;
  --brass-light: #C4A97A;
  --border:      #DDD9D2;
  --white:       #FFFFFF;

  --font-serif: 'Fraunces', Georgia, serif;
  --font-sans:  'Inter', system-ui, sans-serif;

  --radius:  8px;
  --radius-lg: 14px;
  --shadow: 0 2px 12px rgba(14,15,18,0.07);
  --shadow-lg: 0 8px 40px rgba(14,15,18,0.12);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--surface);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ── Container ────────────────────────────────────────────────── */
.adv-container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Navigation ───────────────────────────────────────────────── */
.adv-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.adv-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}

.adv-nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.3px;
  flex-shrink: 0;
  text-decoration: none;
}

.adv-nav__logo-mark {
  width: 30px;
  height: 30px;
  background: var(--brass);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.adv-nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  flex: 1;
  justify-content: center;
}

.adv-nav__links a {
  color: rgba(255,255,255,0.72);
  font-size: 14px;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: var(--radius);
  transition: color 0.18s, background 0.18s;
}

.adv-nav__links a:hover,
.adv-nav__links a.active {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

.adv-nav__cta {
  flex-shrink: 0;
}

.adv-nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 6px;
}

.adv-nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

.adv-nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.adv-nav__hamburger.open span:nth-child(2) { opacity: 0; }
.adv-nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Buttons ──────────────────────────────────────────────────── */
.adv-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background 0.18s, color 0.18s, box-shadow 0.18s, transform 0.12s;
  text-decoration: none;
  white-space: nowrap;
}

.adv-btn:active { transform: translateY(1px); }

.adv-btn--primary {
  background: var(--brass);
  color: var(--white);
}

.adv-btn--primary:hover { background: var(--brass-light); }

.adv-btn--navy {
  background: var(--navy);
  color: var(--white);
}

.adv-btn--navy:hover { background: var(--navy-dark); }

.adv-btn--ghost {
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--border);
}

.adv-btn--ghost:hover { border-color: var(--navy); background: rgba(16,42,67,0.04); }

.adv-btn--ghost-light {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.35);
}

.adv-btn--ghost-light:hover { border-color: var(--white); background: rgba(255,255,255,0.08); }

.adv-btn--lg {
  font-size: 15px;
  padding: 13px 28px;
}

/* ── Section Wrappers ─────────────────────────────────────────── */
.adv-section {
  padding: 120px 0;
}

.adv-section--sm {
  padding: 80px 0;
}

.adv-section--dark {
  background: var(--navy);
  color: var(--white);
}

.adv-section--mid {
  background: var(--surface-2);
}

.adv-label {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 14px;
}

.adv-section--dark .adv-label { color: var(--brass-light); }

.adv-title {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.5px;
  color: var(--text);
  margin-bottom: 20px;
}

.adv-section--dark .adv-title { color: var(--white); }

.adv-sub {
  font-size: 17px;
  color: var(--text-mid);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: 48px;
}

.adv-section--dark .adv-sub { color: rgba(255,255,255,0.72); }

/* ── Hero ─────────────────────────────────────────────────────── */
.adv-hero {
  background: var(--navy);
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 80px 0 100px;
}

.adv-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.adv-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.adv-hero__eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass-light);
  margin-bottom: 20px;
}

.adv-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(40px, 5.5vw, 72px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -1px;
  color: var(--white);
  margin-bottom: 28px;
}

.adv-hero__title em {
  font-style: italic;
  color: var(--brass-light);
}

.adv-hero__body {
  font-size: 17px;
  color: rgba(255,255,255,0.72);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 480px;
}

.adv-hero__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.adv-hero__text-link {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.72);
  text-decoration: none;
  transition: color 0.18s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.adv-hero__text-link:hover { color: var(--white); }

.adv-hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.6;
}

/* ── Positioning Statement ────────────────────────────────────── */
.adv-positioning {
  padding: 100px 0;
  background: var(--surface);
}

.adv-positioning__text {
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 400;
  font-style: italic;
  line-height: 1.55;
  color: var(--text);
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.adv-positioning__text strong {
  font-weight: 700;
  font-style: normal;
}

/* ── Niche Cards ──────────────────────────────────────────────── */
.adv-niche-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.adv-niche-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  transition: box-shadow 0.22s, transform 0.22s;
}

.adv-niche-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.adv-niche-card__icon {
  width: 48px;
  height: 48px;
  background: rgba(168,138,92,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brass);
  margin-bottom: 24px;
}

.adv-niche-card__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 10px;
}

.adv-niche-card__title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
  line-height: 1.25;
}

.adv-niche-card__desc {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.65;
  margin-bottom: 28px;
}

.adv-niche-card__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.18s, color 0.18s;
}

.adv-niche-card__link:hover { color: var(--brass); gap: 10px; }

/* ── Offering Cards (Triad) ───────────────────────────────────── */
.adv-offering-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.adv-offering-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: box-shadow 0.22s;
}

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

.adv-offering-card__icon {
  width: 44px;
  height: 44px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brass);
  margin-bottom: 20px;
}

.adv-offering-card__title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.25;
}

.adv-offering-card__desc {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.65;
}

/* ── Approach Flow (inline diagram) ──────────────────────────── */
.adv-flow {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 48px 0;
  flex-wrap: wrap;
}

.adv-flow__step {
  display: flex;
  align-items: center;
  gap: 0;
  flex: 1;
  min-width: 160px;
}

.adv-flow__node {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  text-align: center;
  flex: 1;
}

.adv-flow__node-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 4px;
}

.adv-flow__node-title {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.adv-flow__arrow {
  color: var(--border);
  font-size: 20px;
  padding: 0 8px;
  flex-shrink: 0;
}

/* ── Step Flow (4-step BA-SaaS) ───────────────────────────────── */
.adv-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.adv-step {
  position: relative;
}

.adv-step__num {
  width: 36px;
  height: 36px;
  background: var(--brass);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.adv-step__connector {
  position: absolute;
  top: 18px;
  left: 50%;
  right: -50%;
  height: 1px;
  background: var(--border);
}

.adv-step:last-child .adv-step__connector { display: none; }

.adv-step__title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.adv-section--dark .adv-step__title { color: var(--white); }

.adv-step__desc {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.6;
}

.adv-section--dark .adv-step__desc { color: rgba(255,255,255,0.65); }

/* ── Product Preview Cards ────────────────────────────────────── */
.adv-product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.adv-product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: box-shadow 0.22s, transform 0.22s;
  text-decoration: none;
  color: inherit;
}

.adv-product-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.adv-product-card__cat {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass);
  background: rgba(168,138,92,0.1);
  display: inline-flex;
  padding: 3px 8px;
  border-radius: 4px;
  width: fit-content;
}

.adv-product-card__name {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}

.adv-product-card__desc {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.6;
  flex: 1;
}

.adv-product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-top: 4px;
}

.adv-product-card__price {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.adv-product-card__link {
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.18s;
}

.adv-product-card:hover .adv-product-card__link { gap: 8px; }

/* ── Final CTA Section ────────────────────────────────────────── */
.adv-cta {
  background: var(--navy);
  padding: 120px 0;
  text-align: center;
}

.adv-cta__title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
  line-height: 1.15;
}

.adv-cta__sub {
  font-size: 16px;
  color: rgba(255,255,255,0.65);
  margin-bottom: 40px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

/* ── Pain Points ──────────────────────────────────────────────── */
.adv-pain-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.adv-pain-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.adv-pain-item__icon {
  width: 36px;
  height: 36px;
  background: rgba(168,138,92,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brass);
  flex-shrink: 0;
}

.adv-pain-item__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.adv-pain-item__desc {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.6;
}

/* ── Deep-dive Section (approach.html) ───────────────────────── */
.adv-offering-deep {
  border-top: 1px solid var(--border);
  padding-top: 80px;
  margin-top: 80px;
}

.adv-offering-deep:first-child { border-top: none; padding-top: 0; margin-top: 0; }

.adv-offering-deep__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 12px;
}

.adv-offering-deep__title {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
  line-height: 1.2;
}

.adv-offering-deep__body {
  font-size: 16px;
  color: var(--text-mid);
  line-height: 1.75;
  max-width: 660px;
}

/* ── Insights / YouTube ───────────────────────────────────────── */
.adv-yt-block {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: flex;
  gap: 40px;
  align-items: center;
}

.adv-yt-block__icon {
  width: 64px;
  height: 64px;
  background: #FF0000;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.adv-yt-block__title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.adv-yt-block__desc {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.6;
  margin-bottom: 20px;
}

.adv-article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.adv-article-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.adv-article-card__thumb {
  height: 160px;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 12px;
}

.adv-article-card__body {
  padding: 24px;
}

.adv-article-card__cat {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 8px;
}

.adv-article-card__title {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.3;
}

.adv-article-card__meta {
  font-size: 12px;
  color: var(--text-light);
}

/* ── Newsletter Strip ─────────────────────────────────────────── */
.adv-newsletter {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: flex;
  gap: 40px;
  align-items: center;
  justify-content: space-between;
}

.adv-newsletter__text {
  max-width: 440px;
}

.adv-newsletter__title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.adv-newsletter__desc {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.6;
}

.adv-newsletter__form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.adv-newsletter__input {
  font-family: var(--font-sans);
  font-size: 14px;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--text);
  min-width: 220px;
  outline: none;
  transition: border-color 0.18s;
}

.adv-newsletter__input:focus { border-color: var(--navy); }

.adv-newsletter__status {
  font-size: 13px;
  margin-top: 8px;
  display: none;
}

/* ── Contact Page ─────────────────────────────────────────────── */
.adv-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.adv-contact-panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.adv-contact-panel__title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.adv-contact-panel__sub {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.6;
  margin-bottom: 28px;
}

.adv-form-group {
  margin-bottom: 18px;
}

.adv-form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.adv-form-group input,
.adv-form-group select,
.adv-form-group textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 14px;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--text);
  outline: none;
  transition: border-color 0.18s;
  appearance: none;
}

.adv-form-group input:focus,
.adv-form-group select:focus,
.adv-form-group textarea:focus {
  border-color: var(--navy);
}

.adv-form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.adv-form-check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.adv-form-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--navy);
}

.adv-form-check label {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.5;
}

.adv-form-required { color: var(--brass); }

.adv-contact-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.adv-contact-info__item {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 14px;
  color: var(--text-mid);
}

.adv-contact-info__item svg { color: var(--brass); flex-shrink: 0; }

/* ── Footer ───────────────────────────────────────────────────── */
.adv-footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.72);
  padding: 64px 0 32px;
}

.adv-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.adv-footer__brand-name {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.adv-footer__brand-desc {
  font-size: 13px;
  line-height: 1.7;
  max-width: 300px;
}

.adv-footer__heading {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brass-light);
  margin-bottom: 16px;
}

.adv-footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.adv-footer__links a {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  transition: color 0.18s;
}

.adv-footer__links a:hover { color: var(--white); }

.adv-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  color: rgba(255,255,255,0.45);
}

/* ── Scroll Reveal ────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── Page Hero (inner pages) ──────────────────────────────────── */
.adv-page-hero {
  background: var(--navy);
  padding: 80px 0 100px;
}

.adv-page-hero__eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass-light);
  margin-bottom: 16px;
}

.adv-page-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.12;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
  max-width: 680px;
}

.adv-page-hero__sub {
  font-size: 17px;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  max-width: 560px;
}

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 900px) {
  .adv-nav__links { display: none; }
  .adv-nav__cta   { display: none; }
  .adv-nav__hamburger { display: flex; }

  .adv-nav__mobile-menu {
    display: none;
    position: fixed;
    inset: 64px 0 0 0;
    background: var(--navy);
    z-index: 99;
    padding: 24px;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
  }

  .adv-nav__mobile-menu.open { display: flex; }

  .adv-nav__mobile-menu a {
    color: rgba(255,255,255,0.8);
    font-size: 16px;
    font-weight: 500;
    padding: 12px 16px;
    border-radius: var(--radius);
    display: block;
  }

  .adv-nav__mobile-menu a:hover { background: rgba(255,255,255,0.07); color: var(--white); }

  .adv-nav__mobile-cta {
    margin-top: 8px;
    padding: 0 16px;
  }

  .adv-hero__inner {
    grid-template-columns: 1fr;
  }

  .adv-hero__visual { display: none; }

  .adv-niche-grid { grid-template-columns: 1fr; }
  .adv-offering-grid { grid-template-columns: 1fr; }
  .adv-steps { grid-template-columns: repeat(2, 1fr); }
  .adv-product-grid { grid-template-columns: 1fr; }
  .adv-section { padding: 80px 0; }
  .adv-contact-grid { grid-template-columns: 1fr; }
  .adv-footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .adv-newsletter { flex-direction: column; gap: 24px; }
  .adv-yt-block { flex-direction: column; }
  .adv-article-grid { grid-template-columns: 1fr; }
  .adv-pain-grid { grid-template-columns: 1fr; }
  .adv-flow { flex-direction: column; gap: 8px; }
  .adv-flow__arrow { transform: rotate(90deg); }
}

@media (max-width: 600px) {
  .adv-steps { grid-template-columns: 1fr; }
  .adv-container { padding: 0 16px; }
  .adv-niche-card,
  .adv-contact-panel { padding: 28px 20px; }
  .adv-newsletter { padding: 28px 20px; }
  .adv-yt-block { padding: 28px 20px; }
  .adv-footer__bottom { flex-direction: column; text-align: center; }
}