/* IntersticeDigital — Design System */
:root {
  --bg-primary: #0a0b0f;
  --bg-secondary: #12141c;
  --bg-elevated: #1a1d28;
  --bg-card: #151820;
  --text-primary: #f4f5f7;
  --text-secondary: #9ca3b4;
  --text-muted: #6b7289;
  --accent: #4f8cff;
  --accent-soft: rgba(79, 140, 255, 0.15);
  --accent-glow: rgba(79, 140, 255, 0.35);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 80px;
  --max-width: 1200px;
  --section-pad: clamp(4rem, 10vw, 7rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.75rem, 6vw, 4.5rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
}

p {
  color: var(--text-secondary);
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.lead {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  max-width: 42ch;
}

/* Layout */
.container {
  width: min(100% - 2.5rem, var(--max-width));
  margin-inline: auto;
}

.section {
  padding-block: var(--section-pad);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-header p {
  margin-top: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 100px;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #D4AF37 100%);
  color: var(--bg-primary);
  box-shadow: 0 4px 24px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
}

.btn-outline {
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(10, 11, 15, 0.85);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: min(100% - 2.5rem, var(--max-width));
  margin-inline: auto;
}

.logo {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.logo span {
  color: var(--accent);
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 2.5rem;
}

.nav-desktop a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}

.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--text-primary);
}

.nav-desktop a.active::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.header-cta {
  display: none;
  flex-shrink: 0;
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  z-index: 1001;
  flex-shrink: 0;
  margin-left: auto;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Full desktop header: inline nav + CTA, no hamburger */
@media (min-width: 1100px) {
  .header-inner {
    position: relative;
    justify-content: space-between;
  }

  .nav-desktop {
    display: flex;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    margin-left: 0;
  }

  .header-cta {
    display: inline-flex;
  }

  .menu-toggle {
    display: none;
  }
}

.nav-mobile {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.nav-mobile.open {
  opacity: 1;
  visibility: visible;
}

.nav-mobile a {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.nav-mobile a:hover,
.nav-mobile a.active {
  color: var(--accent);
}

.nav-mobile a.btn-primary {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--bg-primary);
}

.nav-mobile a.btn-primary:hover {
  color: var(--bg-primary);
}

@media (min-width: 1100px) {
  .nav-mobile {
    display: none;
  }
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--accent-soft) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(201, 169, 98, 0.06) 0%, transparent 40%),
    linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
  opacity: 0.4;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero h1 {
  margin-bottom: 1.5rem;
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero .lead {
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--text-primary);
  font-weight: 600;
}

.stat span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Problem / Solution cards */
.grid-2 {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.grid-3 {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  color: var(--accent);
  font-size: 1.25rem;
}

.card h3 {
  margin-bottom: 0.75rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.15rem;
}

.problem-list li {
  display: flex;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

.problem-list li:last-child {
  border-bottom: none;
}

.problem-list li::before {
  content: "×";
  color: #e57373;
  font-weight: 700;
  flex-shrink: 0;
}

.problem-cards {
  display: grid;
  gap: 1.5rem;
  margin-bottom: clamp(4rem, 8vw, 6rem);
}

@media (min-width: 600px) {
  .problem-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

.problem-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1.75rem;
  overflow: hidden;
  transition:
    border-color var(--transition),
    transform var(--transition),
    box-shadow var(--transition),
    background var(--transition);
}

.problem-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(150deg, rgba(229, 115, 115, 0.07) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.problem-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #e57373;
  margin-bottom: 0.75rem;
  position: relative;
}

.problem-card h3 {
  margin-bottom: 0.75rem;
  position: relative;
  transition: color var(--transition);
}

.problem-card p {
  flex: 1;
  font-size: 0.95rem;
  position: relative;
  transition: color var(--transition);
}

.card.problem-card:hover {
  border-color: rgba(229, 115, 115, 0.35);
  transform: translateY(-6px);
  box-shadow:
    0 24px 48px rgba(0, 0, 0, 0.32),
    0 0 0 1px rgba(229, 115, 115, 0.12),
    0 0 40px rgba(229, 115, 115, 0.07);
}

.card.problem-card:hover::before {
  opacity: 1;
}

.card.problem-card:hover h3 {
  color: #e57373;
}

.card.problem-card:hover p {
  color: rgba(244, 245, 247, 0.75);
}

.problem-narrative {
  max-width: 620px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: clamp(3rem, 6vw, 4.5rem);
}

.problem-explanation-intro {
  color: var(--text-secondary);
  font-size: clamp(1.05rem, 2vw, 1.15rem);
  line-height: 1.75;
  margin-bottom: clamp(2rem, 4vw, 2.75rem);
}

.problem-subheading {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 1rem;
}

.problem-explanation p:last-of-type {
  color: var(--text-secondary);
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  line-height: 1.75;
}

.problem-truth {
  margin: 0;
  padding: clamp(1.75rem, 4vw, 2.5rem) clamp(1.75rem, 4vw, 2.5rem) clamp(1.75rem, 4vw, 2.5rem) clamp(2rem, 4vw, 2.75rem);
  border-left: 3px solid var(--accent);
  background: linear-gradient(90deg, var(--accent-soft) 0%, transparent 85%);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.problem-truth p {
  color: var(--text-secondary);
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  line-height: 1.75;
}

.problem-truth p + p {
  margin-top: 1.25rem;
}

/* Our Method */
.section--method {
  background: var(--bg-secondary);
  border-block: 1px solid var(--border);
}

.method-stages {
  display: grid;
  gap: clamp(2rem, 4vw, 2.5rem);
  align-items: stretch;
}

@media (min-width: 900px) {
  .method-stages {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
  }
}

.method-stage {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: clamp(2rem, 4vw, 2.5rem);
  position: relative;
}

.method-stage--foundation {
  border-color: rgba(201, 169, 98, 0.3);
  background: linear-gradient(165deg, rgba(201, 169, 98, 0.09) 0%, var(--bg-card) 50%);
}

.method-stage--foundation .method-icon {
  background: rgba(201, 169, 98, 0.2);
}

@media (min-width: 900px) {
  .method-stage:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -0.65rem;
    width: 0.65rem;
    height: 0.65rem;
    border-top: 1px solid var(--text-muted);
    border-right: 1px solid var(--text-muted);
    transform: translateY(-50%) rotate(45deg);
    opacity: 0.35;
    z-index: 1;
  }

  .method-stage:not(:last-child) {
    margin-right: 1.25rem;
  }
}

.method-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border-radius: var(--radius);
  color: var(--accent);
  margin-bottom: 1.5rem;
  flex-shrink: 0;
}

.method-stage-title {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 1.65rem);
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 0.4rem;
}

.method-stage-sub {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 1.25rem;
  opacity: 0.85;
}

.method-stage-intro {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.method-list {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.method-list li {
  position: relative;
  padding: 0.2rem 0 0.2rem 1.35rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.55;
}

.method-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.6;
}

@media (max-width: 899px) {
  .method-stage:not(:last-child) {
    padding-bottom: 2.5rem;
  }

  .method-stage:not(:last-child)::after {
    content: "";
    position: absolute;
    bottom: 0.75rem;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 1rem;
    background: var(--border);
    opacity: 0.8;
  }
}

.solution-panel {
  background: linear-gradient(145deg, var(--bg-elevated) 0%, var(--bg-card) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 3.5rem);
  position: relative;
  overflow: hidden;
}

.solution-panel::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 70%);
  pointer-events: none;
}

.solution-panel h2 {
  margin-bottom: 1rem;
  position: relative;
}

.solution-panel .lead {
  margin-bottom: 2rem;
  position: relative;
}

.check-list li {
  display: flex;
  gap: 1rem;
  padding: 0.75rem 0;
  color: var(--text-secondary);
  position: relative;
}

.check-list li::before {
  content: "✓";
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

/* Services overview (homepage) */
.services-grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 1.5rem);
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.services-offer {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: clamp(2rem, 4vw, 2.5rem);
  padding-bottom: clamp(3.25rem, 5vw, 3.75rem);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  background: var(--bg-card);
  transition:
    border-color var(--transition),
    transform var(--transition),
    box-shadow var(--transition),
    background var(--transition);
}

.services-offer::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(150deg, rgba(201, 169, 98, 0.07) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.services-offer:hover {
  border-color: rgba(201, 169, 98, 0.35);
  transform: translateY(-6px);
  box-shadow:
    0 24px 48px rgba(0, 0, 0, 0.32),
    0 0 0 1px rgba(201, 169, 98, 0.12),
    0 0 40px rgba(201, 169, 98, 0.07);
}

.services-offer:hover::before {
  opacity: 1;
}

.services-offer-icon {
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border-radius: var(--radius);
  color: var(--accent);
  margin-bottom: 1.35rem;
  flex-shrink: 0;
  box-shadow: inset 0 0 0 1px rgba(201, 169, 98, 0.15);
  transition:
    transform var(--transition),
    background var(--transition),
    box-shadow var(--transition);
}

.services-offer-icon svg {
  transition: transform var(--transition);
}

.services-offer:hover .services-offer-icon {
  transform: scale(1.05);
  background: rgba(201, 169, 98, 0.2);
  box-shadow:
    inset 0 0 0 1px rgba(201, 169, 98, 0.3),
    0 4px 16px rgba(201, 169, 98, 0.12);
}

.services-offer:hover .services-offer-icon svg {
  transform: scale(1.08);
}

.services-offer h3 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 1.85rem);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 0.85rem;
  transition: color var(--transition);
}

.services-offer:hover h3 {
  color: var(--accent);
}

.services-offer p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
  transition: color var(--transition);
}

.services-offer:hover p {
  color: rgba(244, 245, 247, 0.75);
}

.services-offer-arrow {
  position: absolute;
  bottom: clamp(1.5rem, 3vw, 2rem);
  right: clamp(1.5rem, 3vw, 2rem);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--text-muted);
  opacity: 0.55;
  transition:
    transform var(--transition),
    border-color var(--transition),
    color var(--transition),
    background var(--transition),
    opacity var(--transition);
}

.services-offer:hover .services-offer-arrow {
  opacity: 1;
  transform: translateX(3px);
  border-color: rgba(201, 169, 98, 0.45);
  color: var(--accent);
  background: var(--accent-soft);
}

@media (prefers-reduced-motion: reduce) {
  .services-offer:hover {
    transform: none;
  }

  .services-offer:hover .services-offer-icon,
  .services-offer:hover .services-offer-icon svg,
  .services-offer:hover .services-offer-arrow {
    transform: none;
  }

  .card.problem-card:hover,
  .about-values .values-grid .card:hover {
    transform: none;
  }

  .about-values .values-grid .card:hover .card-icon {
    transform: none;
  }
}

.services-closing {
  text-align: center;
  max-width: 520px;
  margin-inline: auto;
}

.services-closing p {
  color: var(--text-secondary);
  font-size: clamp(1rem, 2vw, 1.05rem);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.services-closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* Legacy service cards */
.service-card {
  padding: 2.5rem 2rem;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.service-card.primary {
  border-color: rgba(201, 169, 98, 0.3);
  background: linear-gradient(160deg, rgba(201, 169, 98, 0.08) 0%, var(--bg-card) 40%);
}

.service-card .tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.service-card h3 {
  font-family: var(--font-display);
  margin-bottom: 0.75rem;
}

.service-card p {
  flex: 1;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.service-card a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: gap var(--transition);
}

.service-card a:hover {
  gap: 0.6rem;
}

/* Process timeline */
.process-timeline {
  list-style: none;
  max-width: 720px;
  margin-inline: auto;
  padding: 0;
}

.process-timeline-item {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: clamp(1.25rem, 3vw, 2rem);
  position: relative;
}

.process-timeline-item:not(:last-child) {
  padding-bottom: clamp(2rem, 4vw, 2.75rem);
}

.process-timeline-track {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
}

.process-timeline-node {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  border: 2px solid rgba(201, 169, 98, 0.55);
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  flex-shrink: 0;
  z-index: 1;
  box-shadow: 0 0 0 5px var(--bg-primary);
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.process-timeline-item:hover .process-timeline-node {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: 0 0 0 5px var(--bg-primary), 0 0 20px rgba(201, 169, 98, 0.15);
}

.process-timeline-line {
  flex: 1;
  width: 2px;
  min-height: 1.5rem;
  margin-top: 0.65rem;
  background: linear-gradient(180deg, rgba(201, 169, 98, 0.45) 0%, rgba(201, 169, 98, 0.08) 100%);
  position: relative;
}

.process-timeline-line::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid rgba(201, 169, 98, 0.25);
}

.process-timeline-body {
  padding-top: 0.35rem;
  padding-bottom: 0.25rem;
}

.process-timeline-body h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: clamp(1.05rem, 2vw, 1.15rem);
  color: var(--text-primary);
  margin-bottom: 0.6rem;
  line-height: 1.3;
}

.process-timeline-body p {
  color: var(--text-secondary);
  font-size: clamp(0.92rem, 2vw, 0.98rem);
  line-height: 1.75;
}

@media (min-width: 768px) {
  .process-timeline {
    max-width: 780px;
  }

  .process-timeline-item {
    grid-template-columns: 3.5rem 1fr;
  }

  .process-timeline-node {
    width: 3rem;
    height: 3rem;
    font-size: 1.05rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .process-timeline-item:hover .process-timeline-node {
    box-shadow: 0 0 0 5px var(--bg-primary);
  }
}

/* FAQ accordion */
.faq-accordion {
  max-width: 720px;
  margin-inline: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  overflow: hidden;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: clamp(1.5rem, 3.5vw, 1.85rem) clamp(1.25rem, 3vw, 1.75rem);
  text-align: left;
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--text-primary);
  background: transparent;
  border: none;
  cursor: pointer;
  transition:
    color 0.35s cubic-bezier(0.4, 0, 0.2, 1),
    background 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-trigger:hover {
  color: var(--accent);
  background: rgba(255, 255, 255, 0.03);
}

.faq-item.is-open .faq-trigger {
  color: var(--accent);
  background: rgba(201, 169, 98, 0.04);
}

.faq-trigger:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  z-index: 1;
  position: relative;
}

.faq-question {
  flex: 1;
  transition: color 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-icon {
  flex-shrink: 0;
  position: relative;
  width: 2.35rem;
  height: 2.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(201, 169, 98, 0.18);
  border-radius: 50%;
  transition:
    transform 0.45s cubic-bezier(0.4, 0, 0.2, 1),
    background 0.35s cubic-bezier(0.4, 0, 0.2, 1),
    border-color 0.35s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-trigger:hover .faq-icon {
  background: rgba(201, 169, 98, 0.2);
  border-color: rgba(201, 169, 98, 0.35);
  transform: scale(1.06);
}

.faq-item.is-open .faq-icon {
  background: rgba(201, 169, 98, 0.22);
  border-color: rgba(201, 169, 98, 0.4);
  box-shadow: 0 0 20px rgba(201, 169, 98, 0.1);
}

.faq-item.is-open .faq-trigger:hover .faq-icon {
  transform: scale(1.06);
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: currentColor;
  border-radius: 1px;
  transition:
    transform 0.45s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-icon::before {
  width: 14px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.faq-icon::after {
  width: 2px;
  height: 14px;
  transform: translate(-50%, -50%);
}

.faq-item.is-open .faq-icon::after {
  transform: translate(-50%, -50%) rotate(180deg) scaleY(0);
  opacity: 0;
}

.faq-panel {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition:
    grid-template-rows 0.45s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.is-open .faq-panel {
  grid-template-rows: 1fr;
  opacity: 1;
}

.faq-panel[hidden] {
  display: none;
}

.faq-item.is-open .faq-panel[hidden] {
  display: grid;
}

.faq-panel-inner {
  overflow: hidden;
  transform: translateY(-6px);
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.is-open .faq-panel-inner {
  transform: translateY(0);
}

.faq-panel-inner p {
  padding: 0.35rem clamp(1.25rem, 3vw, 1.75rem) clamp(1.75rem, 4vw, 2.5rem);
  color: var(--text-secondary);
  font-size: clamp(0.92rem, 2vw, 0.98rem);
  line-height: 1.9;
}

@media (prefers-reduced-motion: reduce) {
  .faq-panel,
  .faq-panel-inner,
  .faq-icon,
  .faq-icon::before,
  .faq-icon::after,
  .faq-trigger,
  .faq-question {
    transition: none;
  }

  .faq-trigger:hover .faq-icon,
  .faq-item.is-open .faq-trigger:hover .faq-icon {
    transform: none;
  }

  .faq-item.is-open .faq-icon::after {
    transform: translate(-50%, -50%) scaleY(0);
  }

  .faq-panel-inner {
    transform: none;
  }
}

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, var(--bg-elevated) 0%, var(--bg-secondary) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(3rem, 8vw, 5rem) clamp(2rem, 5vw, 3.5rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, var(--accent-soft) 0%, transparent 60%);
  pointer-events: none;
}

.cta-banner h2 {
  margin-bottom: 1rem;
  position: relative;
}

.cta-banner p {
  max-width: 480px;
  margin: 0 auto 2rem;
  position: relative;
}

.cta-banner .btn {
  position: relative;
}

@media (max-width: 767px) {
  .section--cta .container {
    width: min(100% - 1rem, var(--max-width));
  }

  .cta-banner {
    padding-block: clamp(2.75rem, 9vw, 3.5rem);
    padding-inline: clamp(1.25rem, 3.5vw, 1.75rem);
  }

  .cta-banner h2 {
    max-width: none;
    font-size: clamp(1.85rem, 6.5vw, 2.25rem);
    line-height: 1.25;
  }

  .cta-banner p {
    max-width: none;
    line-height: 1.7;
  }
}

/* Page hero (inner pages) */
.page-hero {
  padding-top: calc(var(--header-h) + 4rem);
  padding-bottom: 3rem;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid var(--border);
}

.page-hero h1 {
  margin-bottom: 1rem;
}

.page-hero--about .lead {
  max-width: 58ch;
}

/* About */
.about-grid {
  display: grid;
  gap: 3rem;
  align-items: start;
}

@media (min-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr 1.2fr;
    align-items: center;
  }
}

.about-grid h2 {
  margin-bottom: 1.35rem;
}

.about-principles {
  display: flex;
  flex-direction: column;
  gap: clamp(1.75rem, 4vw, 2.25rem);
  padding: clamp(2rem, 4vw, 2.5rem);
  background: linear-gradient(145deg, var(--bg-elevated), var(--bg-card));
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.about-principles::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 20%, var(--accent-soft) 0%, transparent 55%);
  pointer-events: none;
}

.about-principle {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  position: relative;
}

.about-principle:not(:last-child) {
  padding-bottom: clamp(1.75rem, 4vw, 2.25rem);
  border-bottom: 1px solid var(--border);
}

.about-principle-num {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 1.75rem);
  font-weight: 600;
  color: var(--accent);
  line-height: 1;
  opacity: 0.85;
}

.about-principle-text h3 {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.about-principle-text p {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.values-grid {
  display: grid;
  gap: 1.5rem;
}

.about-values .values-grid .card {
  position: relative;
  overflow: hidden;
}

.about-values .values-grid .card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(150deg, rgba(79, 140, 255, 0.07) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.about-values .values-grid .card h3,
.about-values .values-grid .card p {
  position: relative;
  transition: color var(--transition);
}

.about-values .values-grid .card .card-icon {
  position: relative;
  transition:
    transform var(--transition),
    background var(--transition),
    box-shadow var(--transition);
}

.about-values .values-grid .card:hover {
  border-color: rgba(79, 140, 255, 0.35);
  transform: translateY(-6px);
  box-shadow:
    0 24px 48px rgba(0, 0, 0, 0.32),
    0 0 0 1px rgba(79, 140, 255, 0.12),
    0 0 40px rgba(79, 140, 255, 0.07);
}

.about-values .values-grid .card:hover::before {
  opacity: 1;
}

.about-values .values-grid .card:hover h3 {
  color: var(--accent);
}

.about-values .values-grid .card:hover p {
  color: rgba(244, 245, 247, 0.75);
}

.about-values .values-grid .card:hover .card-icon {
  transform: scale(1.05);
  background: rgba(79, 140, 255, 0.2);
  box-shadow:
    inset 0 0 0 1px rgba(79, 140, 255, 0.3),
    0 4px 16px rgba(79, 140, 255, 0.12);
}

@media (min-width: 600px) {
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Portfolio */
.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 100px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.portfolio-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.portfolio-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: transform var(--transition), border-color var(--transition);
}

.portfolio-item:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
}

.portfolio-item.hidden {
  display: none;
}

.portfolio-thumb {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, var(--bg-elevated) 0%, var(--bg-secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--accent);
  opacity: 0.9;
  position: relative;
}

.portfolio-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10, 11, 15, 0.8) 100%);
}

.portfolio-body {
  padding: 1.5rem;
}

.portfolio-body .category {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.portfolio-body h3 {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.portfolio-body p {
  font-size: 0.9rem;
}

.portfolio-metric {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.35rem 0.75rem;
  background: var(--accent-soft);
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
}

/* Contact */
.contact-grid {
  display: grid;
  gap: 3rem;
}

@media (min-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr 1.2fr;
  }
}

.contact-followup {
  text-align: center;
  max-width: 560px;
  margin-inline: auto;
  margin-top: clamp(3rem, 6vw, 4rem);
  padding-top: clamp(2rem, 4vw, 3rem);
  padding-bottom: clamp(2rem, 4vw, 3rem);
}

.contact-followup::after {
  content: "";
  display: block;
  width: min(160px, 40%);
  height: 1px;
  margin: clamp(2rem, 4vw, 3rem) auto 0;
  background: var(--border);
}

.contact-followup h3 {
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 2vw, 1.15rem);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.contact-followup p {
  font-size: clamp(1rem, 2vw, 1.05rem);
  line-height: 1.7;
}

.contact-info h2 {
  margin-bottom: 1rem;
}

.contact-details {
  margin-top: 2rem;
}

.contact-details li {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

.contact-details strong {
  display: block;
  color: var(--text-primary);
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-row {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 600px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.form-message {
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1rem;
  display: none;
}

.form-message.success,
.form-message.error {
  display: block;
}

.form-message.success {
  background: rgba(76, 175, 80, 0.12);
  color: #a8d5aa;
  border: 1px solid rgba(76, 175, 80, 0.28);
  animation: form-message-enter 0.7s cubic-bezier(0.4, 0, 0.2, 1) forwards,
    form-success-glow 2.4s ease-out 0.35s forwards;
}

.form-message.error {
  background: rgba(229, 115, 115, 0.15);
  color: #e57373;
  border: 1px solid rgba(229, 115, 115, 0.3);
  animation: form-message-enter 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes form-message-enter {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes form-success-glow {
  0% {
    box-shadow: 0 0 0 rgba(129, 199, 132, 0);
  }

  45% {
    box-shadow: 0 6px 28px rgba(129, 199, 132, 0.14);
  }

  100% {
    box-shadow: 0 0 0 rgba(129, 199, 132, 0);
  }
}

/* Footer */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
  margin-top: var(--section-pad);
}

.footer-grid {
  display: grid;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.5fr repeat(3, 1fr);
  }
}

.footer-brand p {
  margin-top: 1rem;
  font-size: 0.9rem;
  max-width: 28ch;
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.footer-col ul li {
  margin-bottom: 0.75rem;
}

.footer-col a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* Services page detail */
.service-detail {
  display: grid;
  gap: 3rem;
  padding: 3rem 0;
  border-bottom: 1px solid var(--border);
  scroll-margin-top: calc(var(--header-h) + 2rem);
}

@media (min-width: 900px) {
  .service-detail {
    grid-template-columns: 280px 1fr;
    align-items: start;
  }
}

.service-detail:last-child {
  border-bottom: none;
}

.service-detail aside .number {
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--accent);
  opacity: 0.35;
  line-height: 1;
}

.service-detail ul {
  margin-top: 1.5rem;
}

.service-detail ul li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
  padding-left: 1.25rem;
  position: relative;
}

.service-detail ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.tier-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}

.tier-badge.primary {
  background: var(--accent-soft);
  color: var(--accent);
}

.tier-badge.secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
}

/* Utility */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}