/* =========================================================
   ATAMA — Shared Stylesheet
   PT Atama Niaga Nusantara
   ========================================================= */

/* ---------- 1. Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: #1a1a1a;
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img,
svg {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

ul {
  list-style: none;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

/* ---------- 2. Design Tokens ---------- */
:root {
  /* Brand colors */
  --color-purple: #585AA7;
  --color-blue: #4B9BD5;
  --color-gradient: linear-gradient(135deg, #585AA7 0%, #4B9BD5 100%);
  --color-gradient-soft: linear-gradient(135deg, rgba(88, 90, 167, 0.06) 0%, rgba(75, 155, 213, 0.06) 100%);

  /* Neutrals */
  --color-text: #1a1a1a;
  --color-text-muted: #666666;
  --color-text-light: #8a8a8a;
  --color-bg: #ffffff;
  --color-bg-alt: #fafbfc;
  --color-bg-tint: #f5f6f8;
  --color-border: #e8e9ed;
  --color-footer-bg: #1a1a2e;
  --color-footer-text: rgba(255, 255, 255, 0.72);

  /* Shadows */
  --shadow-card: 0 1px 3px rgba(88, 90, 167, 0.08);
  --shadow-card-hover: 0 8px 24px rgba(88, 90, 167, 0.12);
  --shadow-nav: 0 1px 3px rgba(0, 0, 0, 0.04);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* Spacing */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 48px;
  --space-xl: 96px;

  /* Container */
  --container-max: 1200px;
  --container-pad: 32px;

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 0.2s var(--ease);
}

/* ---------- 3. Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.625rem, 3.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.025em;
}

h3 {
  font-size: clamp(1.375rem, 2vw, 1.625rem);
  font-weight: 600;
}

h4 {
  font-size: 1.25rem;
  font-weight: 600;
}

p {
  color: var(--color-text-muted);
  line-height: 1.7;
}

p.lead {
  font-size: 1.1875rem;
  color: var(--color-text);
  line-height: 1.6;
}

.gradient-text {
  background: var(--color-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: inline-block;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-purple);
  margin-bottom: 16px;
}

/* ---------- 4. Layout Primitives ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section {
  padding: clamp(64px, 9vw, 120px) 0;
}

.section-tint {
  background: var(--color-bg-alt);
}

.section-header {
  max-width: 720px;
  margin: 0 auto 64px;
  text-align: center;
}

.section-header.left {
  margin-left: 0;
  text-align: left;
}

.section-header h2 {
  margin-bottom: 20px;
}

.section-header p {
  font-size: 1.125rem;
  line-height: 1.6;
}

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  border: 1.5px solid transparent;
}

.btn-primary {
  background: var(--color-gradient);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(88, 90, 167, 0.25);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(88, 90, 167, 0.35);
  color: #ffffff;
}

.btn-secondary {
  background: transparent;
  color: var(--color-purple);
  border: 1.5px solid var(--color-purple);
}

.btn-secondary:hover {
  background: var(--color-purple);
  color: #ffffff;
}

.btn-white {
  background: #ffffff;
  color: var(--color-purple);
}

.btn-white:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.btn-arrow::after {
  content: '→';
  transition: transform var(--transition);
}

.btn-arrow:hover::after {
  transform: translateX(4px);
}

.text-link {
  color: var(--color-purple);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}

.text-link:hover {
  gap: 10px;
  color: var(--color-blue);
}

/* ---------- 6. Header / Navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  transition: box-shadow var(--transition), background var(--transition);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  box-shadow: var(--shadow-nav);
  border-bottom-color: var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 18px 0;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.logo {
  height: 38px;
  width: auto;
}

.logo-fallback {
  display: none;
  font-weight: 700;
  letter-spacing: 0.05em;
  font-size: 22px;
  background: var(--color-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.nav-list a {
  display: inline-block;
  padding: 8px 14px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  position: relative;
}

.nav-list a:hover {
  color: var(--color-purple);
}

.nav-list a.active {
  color: var(--color-purple);
}

.nav-list a.active::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background: var(--color-gradient);
  border-radius: 1px;
}

.nav-cta {
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  position: relative;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  position: relative;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--transition);
}

.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }

.nav-toggle.is-open span {
  background: transparent;
}

.nav-toggle.is-open span::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle.is-open span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ---------- 7. Hero ---------- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 80px 0 64px;
  overflow: hidden;
  background: #ffffff;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-blob {
  position: absolute;
  top: -10%;
  right: -10%;
  width: 60%;
  height: 80%;
  background: var(--color-gradient);
  filter: blur(80px);
  opacity: 0.18;
  border-radius: 50%;
}

.hero-blob-2 {
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 40%;
  height: 50%;
  background: linear-gradient(135deg, #4B9BD5 0%, #585AA7 100%);
  filter: blur(80px);
  opacity: 0.12;
  border-radius: 50%;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-inner {
  max-width: 820px;
}

.hero h1 {
  font-size: clamp(2.25rem, 5.5vw, 4rem);
  margin-bottom: 24px;
  letter-spacing: -0.035em;
}

.hero-sub {
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 680px;
  margin-bottom: 40px;
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-trust {
  font-size: 0.875rem;
  color: var(--color-text-light);
  letter-spacing: 0.01em;
}

.hero-trust strong {
  color: var(--color-text-muted);
  font-weight: 600;
}

/* Sub-page hero (smaller) */
.page-hero {
  position: relative;
  padding: clamp(80px, 12vw, 140px) 0 clamp(48px, 8vw, 80px);
  background: #ffffff;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-hero-blob {
  position: absolute;
  top: -30%;
  right: -15%;
  width: 50%;
  height: 100%;
  background: var(--color-gradient);
  filter: blur(100px);
  opacity: 0.12;
  border-radius: 50%;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  margin-bottom: 24px;
  max-width: 900px;
}

.page-hero-sub {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  max-width: 760px;
  line-height: 1.55;
}

/* ---------- 8. Cards ---------- */
.card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(88, 90, 167, 0.2);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--color-gradient-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-purple);
}

.card-icon svg {
  width: 24px;
  height: 24px;
  stroke: url(#brandGradient);
}

.card h3 {
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.card p {
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ---------- 9. Pillars Strip ---------- */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pillar {
  padding: 36px 32px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.pillar:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(88, 90, 167, 0.2);
}

.pillar-num {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-blue);
  margin-bottom: 14px;
}

.pillar h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.pillar p {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

/* ---------- 10. About / Two-column ---------- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.two-col-text h2 {
  margin-bottom: 24px;
}

.two-col-text p {
  margin-bottom: 18px;
  font-size: 1.0625rem;
  line-height: 1.7;
}

.two-col-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  background: var(--color-gradient);
  overflow: hidden;
}

.two-col-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(255,255,255,0.1) 0%, transparent 40%);
}

.two-col-visual-inner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: #ffffff;
  z-index: 1;
  padding: 40px;
  text-align: center;
}

.two-col-visual-inner .quote {
  font-size: 1.625rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
  max-width: 420px;
}

.two-col-visual-inner .quote-author {
  margin-top: 24px;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0.8;
}

/* Stats row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin: 40px 0;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.stat-num {
  font-size: 2rem;
  font-weight: 700;
  background: var(--color-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

/* ---------- 11. Service Grid (Teaser) ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.service-mini {
  padding: 28px 24px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-text);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.service-mini:hover {
  transform: translateY(-2px);
  border-color: var(--color-purple);
  box-shadow: var(--shadow-card-hover);
}

.service-mini-num {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-blue);
}

.service-mini h4 {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
}

.service-mini p {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--color-text-muted);
}

/* ---------- 12. Sectors Teaser ---------- */
.sector-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.sector-tile {
  padding: 32px 28px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-text);
  transition: all var(--transition);
}

.sector-tile:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(88, 90, 167, 0.2);
}

.sector-tile h3 {
  font-size: 1.125rem;
  margin-bottom: 12px;
}

.sector-clients {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  line-height: 1.6;
  border-top: 1px solid var(--color-border);
  padding-top: 14px;
  margin-top: 14px;
}

/* ---------- 13. Featured Engagement ---------- */
.featured {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 56px;
  position: relative;
  overflow: hidden;
}

.featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-gradient);
}

.featured-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: 16px;
}

.featured h3 {
  font-size: 1.75rem;
  margin-bottom: 16px;
  max-width: 820px;
}

.featured p {
  font-size: 1.0625rem;
  max-width: 720px;
  margin-bottom: 24px;
  line-height: 1.6;
}

/* ---------- 14. CTA Strip (Final) ---------- */
.cta-strip {
  position: relative;
  background: var(--color-gradient);
  padding: clamp(72px, 10vw, 120px) 0;
  text-align: center;
  color: #ffffff;
  overflow: hidden;
}

.cta-strip::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 30%, rgba(255,255,255,0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 70%, rgba(255,255,255,0.08) 0%, transparent 40%);
}

.cta-strip .container {
  position: relative;
  z-index: 1;
}

.cta-strip h2 {
  color: #ffffff;
  margin-bottom: 16px;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
}

.cta-strip p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto 36px;
}

/* ---------- 15. Service Pillar Sections (services.html) ---------- */
.service-anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.service-anchors a {
  padding: 8px 16px;
  background: var(--color-bg-tint);
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  transition: all var(--transition);
}

.service-anchors a:hover {
  background: var(--color-purple);
  color: #ffffff;
}

.service-block {
  padding: clamp(64px, 9vw, 96px) 0;
  border-bottom: 1px solid var(--color-border);
}

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

.service-block-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.service-block.reverse .service-block-grid {
  grid-template-columns: 1.4fr 1fr;
}

.service-block.reverse .service-block-meta {
  order: 2;
}

.service-block-meta {
  position: sticky;
  top: 100px;
}

.service-num {
  font-size: 4rem;
  font-weight: 700;
  background: var(--color-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

.service-block h2 {
  font-size: 2rem;
  margin-bottom: 20px;
}

.service-block-content > p {
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-bottom: 18px;
}

.service-offerings {
  margin: 28px 0;
}

.service-offerings h4 {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-purple);
  margin-bottom: 14px;
}

.service-offerings ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 24px;
}

.service-offerings li {
  font-size: 0.9375rem;
  color: var(--color-text);
  padding-left: 20px;
  position: relative;
  line-height: 1.5;
}

.service-offerings li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-gradient);
}

.service-meta-block {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 28px 0;
  border-left: 3px solid var(--color-blue);
}

.service-meta-block strong {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-purple);
  margin-bottom: 6px;
}

.service-meta-block p {
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--color-text);
  margin: 0;
}

/* ---------- 16. Sectors Page ---------- */
.sector-block {
  padding: clamp(56px, 8vw, 80px) 0;
  border-bottom: 1px solid var(--color-border);
}

.sector-block:last-of-type {
  border-bottom: none;
}

.sector-block-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: start;
}

.sector-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.sector-tag {
  display: inline-block;
  padding: 6px 14px;
  background: var(--color-gradient-soft);
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-purple);
}

.sector-clients-list {
  margin-top: 28px;
}

.sector-clients-list h4 {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-purple);
  margin-bottom: 12px;
}

.sector-clients-list p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
}

.sector-highlight {
  margin: 64px 0;
  background: var(--color-gradient);
  border-radius: var(--radius-lg);
  padding: 56px;
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.sector-highlight::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(255,255,255,0.12) 0%, transparent 60%);
}

.sector-highlight-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.sector-highlight .eyebrow {
  color: rgba(255, 255, 255, 0.85);
}

.sector-highlight h2 {
  color: #ffffff;
  margin-bottom: 16px;
}

.sector-highlight p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.0625rem;
  line-height: 1.6;
}

/* ---------- 17. Approach Page ---------- */
.differentiators {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.differentiator {
  padding: 40px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.differentiator:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(88, 90, 167, 0.2);
}

.differentiator-num {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  background: var(--color-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
}

.differentiator h3 {
  font-size: 1.375rem;
  margin-bottom: 14px;
  line-height: 1.3;
}

.differentiator p {
  font-size: 1rem;
  line-height: 1.6;
}

.method {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.method-step {
  position: relative;
  padding: 32px 28px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
}

.method-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  border-radius: 14px;
  background: var(--color-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.method-icon svg {
  width: 26px;
  height: 26px;
  stroke: #ffffff;
  fill: none;
  stroke-width: 2;
}

.method-step h4 {
  font-size: 1.125rem;
  margin-bottom: 10px;
}

.method-step p {
  font-size: 0.9375rem;
  line-height: 1.55;
}

.pillar-detail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.pillar-detail-block {
  padding: 36px;
  border-left: 3px solid var(--color-purple);
  background: var(--color-bg-alt);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.pillar-detail-block:nth-child(2) {
  border-left-color: var(--color-blue);
}

.pillar-detail-block:nth-child(3) {
  border-left-color: var(--color-purple);
}

.pillar-detail-block h3 {
  margin-bottom: 14px;
}

/* ---------- 18. Cases Page ---------- */
.case-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 56px;
  justify-content: center;
}

.case-filter {
  padding: 10px 20px;
  background: transparent;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition);
}

.case-filter:hover {
  border-color: var(--color-purple);
  color: var(--color-purple);
}

.case-filter.active {
  background: var(--color-gradient);
  border-color: transparent;
  color: #ffffff;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.case-card {
  padding: 32px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
}

.case-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(88, 90, 167, 0.2);
}

.case-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-gradient-soft);
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-purple);
  margin-bottom: 16px;
  align-self: flex-start;
}

.case-card h3 {
  font-size: 1.1875rem;
  margin-bottom: 12px;
  line-height: 1.35;
}

.case-card p {
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
}

.case-outcome {
  font-size: 0.875rem;
  padding: 14px 16px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-blue);
  color: var(--color-text);
}

.case-outcome strong {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-purple);
  margin-bottom: 4px;
}

/* ---------- 19. Team Page ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.team-card {
  display: flex;
  gap: 24px;
  padding: 32px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.team-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(88, 90, 167, 0.2);
}

.team-avatar {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--color-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.625rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.team-content h3 {
  font-size: 1.1875rem;
  margin-bottom: 4px;
}

.team-role {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-purple);
  margin-bottom: 14px;
}

.team-bio {
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 12px;
}

.team-link {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}

.team-link:hover {
  color: var(--color-purple);
}

.why-atama {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.why-atama p {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text);
}

/* ---------- 20. Contact Page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-form {
  padding: 40px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-field {
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
}

.form-field label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
  letter-spacing: 0.01em;
}

.form-field input,
.form-field select,
.form-field textarea {
  padding: 12px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #ffffff;
  font-size: 0.9375rem;
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-purple);
  box-shadow: 0 0 0 3px rgba(88, 90, 167, 0.12);
}

.form-field textarea {
  resize: vertical;
  min-height: 110px;
  font-family: inherit;
}

.form-submit {
  width: 100%;
  margin-top: 8px;
}

.form-success {
  display: none;
  padding: 20px;
  background: var(--color-gradient-soft);
  border: 1px solid rgba(88, 90, 167, 0.2);
  border-radius: var(--radius-md);
  color: var(--color-purple);
  font-weight: 500;
  margin-top: 16px;
  text-align: center;
}

.form-success.is-visible {
  display: block;
}

.contact-details {
  padding: 40px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
}

.contact-detail-block {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
}

.contact-detail-block:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.contact-detail-block h4 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-purple);
  margin-bottom: 8px;
}

.contact-detail-block p,
.contact-detail-block a {
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.5;
}

.contact-detail-block a:hover {
  color: var(--color-purple);
}

.contact-social {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.contact-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #ffffff;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-purple);
  transition: all var(--transition);
}

.contact-social a:hover {
  background: var(--color-gradient);
  color: #ffffff;
  border-color: transparent;
  transform: translateY(-2px);
}

/* ---------- 21. Footer ---------- */
.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 80px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 64px;
  margin-bottom: 56px;
}

.footer-brand .logo {
  height: 48px;
  margin-bottom: 20px;
}

.footer-brand .logo-fallback {
  display: none;
  font-size: 28px;
  background: linear-gradient(135deg, #8a8cc8 0%, #7ab8e8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  margin-bottom: 20px;
}

.footer-tagline {
  font-size: 1.125rem;
  font-weight: 500;
  color: #ffffff;
  margin-bottom: 12px;
}

.footer-about {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-footer-text);
  max-width: 360px;
}

.footer-col h5 {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #ffffff;
  margin-bottom: 18px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: 0.9375rem;
  color: var(--color-footer-text);
  transition: color var(--transition);
}

.footer-col a:hover {
  color: #ffffff;
}

.footer-contact-item {
  margin-bottom: 14px;
}

.footer-contact-item span {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 4px;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--color-gradient);
  transform: translateY(-2px);
}

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
}

/* ---------- 22. Fade-in Animation ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 23. Accessibility ---------- */
:focus-visible {
  outline: 2px solid var(--color-purple);
  outline-offset: 2px;
  border-radius: 4px;
}

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

  .fade-in {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 24. Responsive Breakpoints ---------- */

/* Tablet landscape and below (≤1024px) */
@media (max-width: 1024px) {
  :root {
    --container-pad: 24px;
  }

  .pillars,
  .differentiators {
    grid-template-columns: 1fr;
  }

  .service-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .sector-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .method {
    grid-template-columns: repeat(2, 1fr);
  }

  .pillar-detail {
    grid-template-columns: 1fr;
  }

  .two-col,
  .service-block-grid,
  .service-block.reverse .service-block-grid,
  .sector-block-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .service-block.reverse .service-block-meta {
    order: initial;
  }

  .service-block-meta {
    position: static;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

/* Tablet portrait (≤768px) */
@media (max-width: 768px) {
  body {
    font-size: 16px;
  }

  .nav-list,
  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
    z-index: 101;
    position: relative;
  }

  /* Backdrop dim layer behind the open menu */
  .nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 15, 30, 0.55);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    z-index: 98;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
  }

  .nav-backdrop.is-visible {
    opacity: 1;
    visibility: visible;
  }

  /* Mobile dropdown — card style with shadow */
  .nav-list.is-open {
    display: flex;
    position: fixed;
    top: 68px;
    left: 12px;
    right: 12px;
    bottom: auto;
    max-height: calc(100vh - 84px - 80px);
    overflow-y: auto;
    background: #ffffff;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 10px;
    gap: 2px;
    z-index: 99;
    border-radius: 18px;
    box-shadow: 0 20px 48px rgba(15, 15, 30, 0.18), 0 4px 12px rgba(15, 15, 30, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.06);
    animation: dropDown 0.28s cubic-bezier(.16, 1, .3, 1) both;
  }

  @keyframes dropDown {
    from { opacity: 0; transform: translateY(-12px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
  }

  .nav-list.is-open li {
    width: 100%;
  }

  .nav-list.is-open a {
    display: block;
    width: 100%;
    padding: 14px 18px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    border: none;
    border-radius: 12px;
    transition: background 0.15s ease, color 0.15s ease;
  }

  .nav-list.is-open a:hover,
  .nav-list.is-open a:focus-visible,
  .nav-list.is-open a:active {
    background: var(--color-bg-tint);
    color: var(--color-purple);
  }

  .nav-list.is-open a.active {
    background: var(--color-gradient-soft);
    color: var(--color-purple);
  }

  .nav-list.is-open a.active::after {
    display: none;
  }

  /* Sticky CTA pinned to bottom of screen when menu is open */
  .nav-list.is-open + .nav-cta {
    display: inline-flex;
    position: fixed;
    top: auto;
    bottom: 16px;
    left: 16px;
    right: 16px;
    z-index: 99;
    width: auto;
    box-shadow: 0 8px 24px rgba(88, 90, 167, 0.4);
    animation: slideUp 0.32s cubic-bezier(.16, 1, .3, 1) both;
    animation-delay: 0.05s;
  }

  @keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  .hero {
    min-height: auto;
    padding: 64px 0 48px;
  }

  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .hero-ctas .btn {
    width: 100%;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .sector-grid,
  .case-grid,
  .team-grid,
  .method {
    grid-template-columns: 1fr;
  }

  .featured {
    padding: 36px 28px;
  }

  .sector-highlight {
    padding: 36px 28px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .service-offerings ul {
    grid-template-columns: 1fr;
  }

  .team-card {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .team-avatar {
    margin: 0 auto;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .pillar-detail-block {
    padding: 28px;
  }

  .differentiator,
  .contact-form,
  .contact-details {
    padding: 28px;
  }
}

/* Small mobile (≤480px) */
@media (max-width: 480px) {
  :root {
    --container-pad: 20px;
  }

  .stats-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}