/* =========================================================
   Zest Solutions — Design Tokens
   Palette: Premium black + gold (from ui-ux-pro-max color db)
   Type: Playfair Display (display) + Inter (body)
   ========================================================= */
:root {
  /* Color */
  --color-ink: #1C1917;
  --color-ink-soft: #44403C;
  --color-foreground: #0C0A09;
  --color-gold: #A16207;
  --color-gold-light: #C89B3C;
  --color-cream: #FAFAF9;
  --color-cream-tint: #F3EFE7;
  --color-card: #FFFFFF;
  --color-muted: #E8ECF0;
  --color-muted-fg: #64748B;
  --color-border: #D6D3D1;

  /* Type */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 180ms;
  --dur-med: 300ms;

  /* Effects */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --shadow-sm: 0 1px 2px rgba(28, 25, 23, 0.06), 0 1px 1px rgba(28, 25, 23, 0.04);
  --shadow-md: 0 8px 24px rgba(28, 25, 23, 0.08), 0 2px 6px rgba(28, 25, 23, 0.05);
  --shadow-lg: 0 24px 60px rgba(28, 25, 23, 0.14);
  --header-h: 76px;
}

/* =========================================================
   Reset
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-foreground);
  background: var(--color-cream);
  -webkit-font-smoothing: antialiased;
  font-size: 16px;
  line-height: 1.6;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
button { font: inherit; cursor: pointer; }
input, textarea { font: inherit; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-ink);
  color: #fff;
  padding: 12px 20px;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

.style-switcher {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 95;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--color-ink);
  color: rgba(255,255,255,0.75);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: 999px;
  box-shadow: var(--shadow-md);
}
.style-switcher a { color: rgba(255,255,255,0.75); transition: color var(--dur-fast); }
.style-switcher a:hover { color: #fff; }
.style-switcher .current { color: var(--color-gold); }
.style-switcher .sep { opacity: 0.4; }
@media (max-width: 640px) {
  .style-switcher { left: 12px; bottom: 12px; font-size: 0.7rem; padding: 8px 12px; gap: 6px; }
}

:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* =========================================================
   Typography
   ========================================================= */
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.01em; color: var(--color-ink); }
h1 { font-size: clamp(2.4rem, 5.5vw, 4rem); line-height: 1.08; font-weight: 700; }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.6rem); line-height: 1.18; }
h3 { font-size: 1.25rem; line-height: 1.3; }

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-3);
}
.eyebrow-light { color: var(--color-gold-light); }

.lead {
  font-size: 1.125rem;
  color: var(--color-ink-soft);
  max-width: 62ch;
}

.text-gold { color: var(--color-gold); }
.text-on-dark { color: var(--color-cream); }

.section-head {
  max-width: 720px;
  margin: 0 0 var(--space-6);
}
.section-head h2 { margin-top: var(--space-1); margin-bottom: var(--space-3); }

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1.5px solid transparent;
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-ink);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--color-gold); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-border);
}
.btn-ghost:hover { border-color: var(--color-ink); transform: translateY(-2px); }
.btn-sm { padding: 10px 20px; font-size: 0.875rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none !important; }

/* Dark section variants */
.section-dark .btn-ghost { color: var(--color-cream); border-color: rgba(250,250,249,0.3); }
.section-dark .btn-ghost:hover { border-color: var(--color-gold-light); color: var(--color-gold-light); }
.section-dark .btn-primary { background: var(--color-gold-light); color: var(--color-ink); }
.section-dark .btn-primary:hover { background: var(--color-cream); }

/* =========================================================
   Header
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(250, 250, 249, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-med), box-shadow var(--dur-med);
}
.site-header.is-scrolled {
  border-color: var(--color-border);
  box-shadow: 0 4px 20px rgba(28,25,23,0.05);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark { display: flex; }
.brand-word { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  color: var(--color-ink);
}
.brand-tagline {
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted-fg);
}
.footer-brand .brand-tagline { color: rgba(250,250,249,0.55); }

.main-nav ul { display: flex; gap: var(--space-5); }
.main-nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-ink-soft);
  position: relative;
  padding: 6px 0;
  transition: color var(--dur-fast);
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--color-gold);
  transition: right var(--dur-med) var(--ease-out);
}
.main-nav a:hover { color: var(--color-ink); }
.main-nav a:hover::after { right: 0; }

.header-actions { display: flex; align-items: center; gap: var(--space-3); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-ink);
  margin: 0 auto;
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  padding: clamp(64px, 12vw, 140px) 0 var(--space-8);
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.35;
}
.hero-blob-1 {
  width: 520px; height: 520px;
  background: radial-gradient(circle, var(--color-gold-light), transparent 70%);
  top: -220px; right: -120px;
}
.hero-blob-2 {
  width: 380px; height: 380px;
  background: radial-gradient(circle, var(--color-ink), transparent 70%);
  bottom: -180px; left: -100px;
  opacity: 0.12;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(28,25,23,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28,25,23,0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, black 40%, transparent 90%);
}
.hero-inner { position: relative; z-index: 1; max-width: 840px; }
.hero-sub {
  margin-top: var(--space-4);
  font-size: 1.2rem;
  color: var(--color-ink-soft);
  max-width: 58ch;
}
.hero-cta { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-top: var(--space-6); }

.hero-flow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-8);
  padding: var(--space-4);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: fit-content;
  max-width: 100%;
}
.flow-step {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 6px;
}
.flow-index { font-family: var(--font-display); font-style: italic; color: var(--color-gold); font-size: 0.9rem; }
.flow-label { font-weight: 600; font-size: 0.95rem; }
.flow-arrow { color: var(--color-border); font-size: 1.1rem; padding: 0 2px; }

/* =========================================================
   Sections — generic
   ========================================================= */
.section { padding: var(--space-8) 0; }
.section-tint { background: var(--color-cream-tint); }
.section-dark {
  background: var(--color-ink);
  color: var(--color-cream);
}
.section-dark p { color: rgba(250,250,249,0.72); }
.section-dark .eyebrow { color: var(--color-gold-light); }

/* =========================================================
   About
   ========================================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-7);
  align-items: start;
}
.about-grid p + p { margin-top: var(--space-3); }
.about-grid > div:first-child p { color: var(--color-ink-soft); }
.about-grid > div:first-child > p.lead { color: var(--color-ink); font-weight: 500; margin-top: var(--space-4); }

.about-card {
  background: var(--color-ink);
  color: var(--color-cream);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
}
.about-card p { color: rgba(250,250,249,0.8); }
.about-card hr { border: none; border-top: 1px solid rgba(250,250,249,0.15); margin: var(--space-5) 0; }
.mission-list li { padding: 6px 0; color: rgba(250,250,249,0.8); }
.mission-list strong { color: var(--color-cream); }

/* =========================================================
   Approach cards
   ========================================================= */
.approach-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
.approach-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: transform var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out), border-color var(--dur-med);
}
.approach-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-gold-light);
}
.approach-num {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--color-gold);
  font-size: 1.4rem;
}
.approach-card h3 { margin-top: var(--space-2); }
.approach-goal { color: var(--color-ink-soft); font-size: 0.9rem; margin-top: 4px; margin-bottom: var(--space-3); }
.approach-card ul li {
  padding: 6px 0 6px 20px;
  position: relative;
  font-size: 0.92rem;
  border-top: 1px solid var(--color-border);
}
.approach-card ul li:first-child { border-top: none; }
.approach-card ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 15px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-gold);
}

/* =========================================================
   Services
   ========================================================= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.service-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: transform var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.service-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--color-cream-tint);
  color: var(--color-gold);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-4);
}
.service-icon svg { width: 24px; height: 24px; }
.service-card h3 { margin-bottom: var(--space-3); }
.service-card ul li {
  font-size: 0.92rem;
  padding: 5px 0 5px 18px;
  position: relative;
  color: var(--color-ink-soft);
}
.service-card ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 13px;
  width: 5px; height: 5px;
  background: var(--color-gold);
}

/* =========================================================
   Process
   ========================================================= */
.process-list {
  display: flex;
  flex-direction: column;
  max-width: 760px;
  margin: 0 auto var(--space-7);
}
.process-list li {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-top: 1px solid rgba(250,250,249,0.12);
}
.process-list li:last-child { border-bottom: 1px solid rgba(250,250,249,0.12); }
.process-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.6rem;
  color: var(--color-gold-light);
  min-width: 52px;
}
.process-list h3 { color: var(--color-cream); margin-bottom: 4px; }

.expect-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  max-width: 900px;
  margin: 0 auto;
}
.expect-item {
  text-align: center;
  padding: var(--space-4) var(--space-3);
  border: 1px solid rgba(250,250,249,0.15);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.expect-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--color-gold-light);
}
.expect-item span:last-child { font-size: 0.85rem; color: rgba(250,250,249,0.65); }

/* =========================================================
   Sales flow
   ========================================================= */
.sales-flow {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
}
.sales-step {
  flex: 1 1 140px;
  text-align: center;
  padding: var(--space-4) var(--space-2);
}
.sales-icon {
  width: 64px; height: 64px;
  margin: 0 auto var(--space-3);
  border-radius: 50%;
  border: 1.5px solid var(--color-gold-light);
  color: var(--color-gold);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--dur-med), color var(--dur-med);
}
.sales-icon svg { width: 26px; height: 26px; }
.sales-step:hover .sales-icon { background: var(--color-ink); color: var(--color-gold-light); }
.sales-step h4 { font-family: var(--font-display); font-size: 1.05rem; margin-bottom: 4px; }
.sales-step p { font-size: 0.85rem; color: var(--color-muted-fg); }
.sales-chevron {
  color: var(--color-border);
  font-size: 1.8rem;
  padding-top: 22px;
  flex: 0 0 auto;
}
.conversion-note {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--color-ink);
  line-height: 1.5;
}

/* =========================================================
   Case study / results
   ========================================================= */
.case-study {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 0;
  background: var(--color-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.case-main { padding: var(--space-6); }
.case-sub { color: var(--color-gold); font-weight: 600; margin-top: 4px; margin-bottom: var(--space-4); }
.case-block { margin-top: var(--space-4); }
.case-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted-fg);
  margin-bottom: 6px;
}
.case-block p { color: var(--color-ink-soft); }
.case-role-list li {
  padding: 4px 0 4px 18px;
  position: relative;
  font-size: 0.92rem;
  color: var(--color-ink-soft);
}
.case-role-list li::before {
  content: '';
  position: absolute; left: 0; top: 12px;
  width: 5px; height: 5px;
  background: var(--color-gold);
}
.case-stat {
  background: var(--color-ink);
  color: var(--color-cream);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: var(--space-6);
  gap: 8px;
}
.case-stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  color: var(--color-gold-light);
  font-weight: 700;
  line-height: 1;
}
.case-stat-label { font-size: 1.05rem; font-weight: 600; }
.case-stat-note { font-size: 0.85rem; color: rgba(250,250,249,0.6); font-style: italic; }

/* =========================================================
   Clients
   ========================================================= */
.clients-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.clients-group-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}
.clients-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.92rem;
  color: var(--color-ink-soft);
}
.clients-list li:last-child { border-bottom: none; }

/* =========================================================
   Why grid
   ========================================================= */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.why-card {
  background: var(--color-card);
  border-left: 3px solid var(--color-gold);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-med) var(--ease-out), box-shadow var(--dur-med);
}
.why-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.why-card h3 { margin-bottom: var(--space-2); }
.why-card p { color: var(--color-ink-soft); font-size: 0.92rem; }

/* =========================================================
   Team
   ========================================================= */
.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  max-width: 800px;
  margin: 0 auto;
}
.team-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  transition: transform var(--dur-med) var(--ease-out), box-shadow var(--dur-med);
}
.team-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.team-avatar {
  width: 84px; height: 84px;
  border-radius: 50%;
  margin: 0 auto var(--space-4);
  background: var(--color-ink);
  color: var(--color-gold-light);
  font-family: var(--font-display);
  font-size: 1.6rem;
  display: flex; align-items: center; justify-content: center;
}
.team-role { color: var(--color-gold); font-weight: 600; font-size: 0.9rem; margin-top: 4px; }
.team-focus { font-weight: 600; margin-top: var(--space-3); margin-bottom: 4px; }
.team-card p:last-child { color: var(--color-ink-soft); font-size: 0.92rem; }

/* =========================================================
   Contact
   ========================================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7);
  align-items: start;
}
.contact-lead {
  margin-top: var(--space-4);
  margin-bottom: var(--space-5);
  max-width: 46ch;
}
.contact-cta { display: flex; flex-wrap: wrap; gap: var(--space-3); }

.contact-card {
  display: flex;
  flex-direction: column;
  background: rgba(250,250,249,0.04);
  border: 1px solid rgba(250,250,249,0.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.contact-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  text-decoration: none;
  color: inherit;
  transition: background var(--dur-fast) var(--ease-out);
}
.contact-row + .contact-row { border-top: 1px solid rgba(250,250,249,0.1); }
.contact-row:hover, .contact-row:focus-visible { background: rgba(250,250,249,0.06); }
.contact-icon {
  width: 44px; height: 44px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(250,250,249,0.08);
  color: var(--color-gold-light);
  display: flex; align-items: center; justify-content: center;
}
.contact-icon svg { width: 20px; height: 20px; }
.contact-text { display: flex; flex-direction: column; min-width: 0; }
.contact-label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: rgba(250,250,249,0.55); margin-bottom: 2px; }
.contact-value { font-weight: 600; color: var(--color-cream); overflow-wrap: anywhere; }
.contact-arrow {
  width: 18px; height: 18px;
  flex-shrink: 0;
  margin-left: auto;
  color: rgba(250,250,249,0.35);
  transition: transform var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.contact-row:hover .contact-arrow { color: var(--color-gold-light); transform: translateX(3px); }

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  background: var(--color-ink);
  color: rgba(250,250,249,0.7);
  padding: var(--space-6) 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand .brand-name { font-size: 0.95rem; letter-spacing: 0.08em; }
.footer-nav { display: flex; gap: var(--space-4); flex-wrap: wrap; }
.footer-nav a { font-size: 0.88rem; transition: color var(--dur-fast); }
.footer-nav a:hover { color: var(--color-gold-light); }
.footer-copy { font-size: 0.8rem; width: 100%; text-align: center; margin-top: var(--space-4); border-top: 1px solid rgba(250,250,249,0.1); padding-top: var(--space-4); }

/* =========================================================
   Back to top
   ========================================================= */
.whatsapp-float {
  position: fixed;
  left: 24px;
  bottom: 24px;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
  z-index: 90;
}
.whatsapp-float svg { width: 30px; height: 30px; }
.whatsapp-float:hover { transform: translateY(-3px) scale(1.05); box-shadow: 0 14px 30px rgba(37, 211, 102, 0.35); }

.to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--color-ink);
  color: var(--color-gold-light);
  border: none;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out), background var(--dur-fast);
  z-index: 90;
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--color-gold); }
.to-top svg { width: 20px; height: 20px; }

/* =========================================================
   Scroll reveal
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1024px) {
  .approach-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .clients-columns { grid-template-columns: 1fr 1fr; }
  .case-study { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--color-cream);
    border-bottom: 1px solid var(--color-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--dur-med) var(--ease-out);
  }
  .main-nav.is-open { max-height: 400px; box-shadow: var(--shadow-md); }
  .main-nav ul { flex-direction: column; gap: 0; padding: var(--space-3) var(--space-4) var(--space-4); }
  .main-nav a { display: block; padding: 12px 0; border-bottom: 1px solid var(--color-border); }
  .nav-toggle { display: flex; }
  .header-actions .btn-sm { display: none; }

  .about-grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .contact-grid { grid-template-columns: 1fr; }
  .clients-columns { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .approach-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .expect-grid { grid-template-columns: repeat(2, 1fr); }
  .process-list li { gap: var(--space-3); }
  .sales-flow { flex-direction: column; align-items: stretch; }
  .sales-chevron { display: none; }
  .hero-flow { flex-direction: column; align-items: flex-start; }
  .flow-arrow { display: none; }
  .footer-inner { flex-direction: column; text-align: center; justify-content: center; }
  .footer-nav { justify-content: center; }
}