/* =====================
   BASE / RESET
   ===================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --font-heading: 'Host Grotesk', sans-serif;
  --font-body: 'Instrument Sans', sans-serif;
  --blue: #436CF4;
  --blue-hover: #436CF4;
  --blue-dark: #436CF4;
  --white: #FFFFFF;
  --gray: #9AA4BC;
  --bg: #121319;
  --card-bg: rgba(154, 164, 188, 0.03);
  --card-border: rgba(154, 164, 188, 0.09);
  --border-subtle: rgba(154, 164, 188, 0.1);
  --border-blue: rgba(67, 108, 244, 0.2);
  --blue-bg: rgba(67, 108, 244, 0.08);
  --blue-bg-light: rgba(67, 108, 244, 0.1);
}

/* =====================
   LAYOUT
   ===================== */
.page {
  min-height: 100vh;
  background-color: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: hidden;
  width: 100%;
  font-size: 18px;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* =====================
   FLOATING BUTTON
   ===================== */
.floating-btn {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 99;
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: #1A1B24;
  border: 1px solid rgba(154, 164, 188, 0.15);
  border-radius: 12px;
  padding: 10px 16px 10px 10px;
  text-decoration: none;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.floating-btn:hover {
  border-color: rgba(154, 164, 188, 0.35);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  transform: translateY(-2px);
}

.floating-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background-color: rgba(108, 61, 234, 0.08);
  border: 1px solid rgba(108, 61, 234, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.floating-label {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--gray);
  white-space: nowrap;
  transition: color 0.2s;
}

.floating-btn:hover .floating-label {
  color: var(--white);
}

/* =====================
   NAVBAR
   ===================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 50;
  background-color: rgba(18, 19, 25, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  transition: transform 0.3s ease;
}

.header--hidden {
  transform: translateY(-100%);
}

.navbar {
  padding: 20px 0;
}

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

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.logo img {
  height: 30px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
  margin-left: auto;
}

.nav-links a {
  font-family: var(--font-body);
  color: var(--gray);
  text-decoration: none;
  font-size: 16px;
  font-weight: 400;
  transition: color 0.2s;
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--white);
}

.nav-cta {
  background-color: var(--blue);
  color: var(--white) !important;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--blue);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.2s, border-color 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-cta:hover {
  background-color: rgba(67, 108, 244, 0.85);
  border-color: rgba(67, 108, 244, 0.85);
}

/* =====================
   HERO
   ===================== */
.hero {
  padding: 150px 0 80px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-content h1 {
  font-family: var(--font-heading);
  font-size: 44px;
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: 0;
  margin-bottom: 24px;
  text-align: left;
}

.hero-content p {
  font-family: var(--font-body);
  font-size: 20px;
  color: var(--gray);
  line-height: 1.6;
  margin-bottom: 40px;
  max-width: 560px;
  text-align: left;
}

.btn-primary {
  display: inline-block;
  background-color: var(--blue);
  color: var(--white);
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--blue);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.2s, border-color 0.2s;
}

.btn-primary:hover {
  background-color: rgba(67, 108, 244, 0.85);
  border-color: rgba(67, 108, 244, 0.85);
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-photo {
  width: 100%;
  max-width: 480px;
  height: auto;
  border-radius: 10px;
  object-fit: cover;
  display: block;
}

/* =====================
   SOCIAL PROOF
   ===================== */
.social-proof {
  padding: 56px 0;
}

.social-proof-label {
  font-family: var(--font-body);
  text-align: center;
  font-size: 20px;
  font-weight: 500;
  color: var(--gray);
  margin-bottom: 28px;
}

.logos-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 40px 56px;
}

.logo-item {
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-item img {
  max-height: 100px;
  width: auto;
  object-fit: contain;
}

/* =====================
   SECTION HEADER (shared)
   ===================== */
.section-header {
  text-align: left;
  margin-bottom: 40px;
}

.section-eyebrow {
  font-family: var(--font-body);
  font-size: 20px;
  font-weight: 500;
  color: var(--blue);
  margin-bottom: 12px;
}

.section-eyebrow-muted {
  color: var(--gray);
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: 44px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0;
  line-height: 1.1;
  margin-bottom: 16px;
}

.section-header p {
  font-family: var(--font-body);
  color: var(--gray);
  font-size: 20px;
  max-width: 600px;
  margin: 0;
  line-height: 1.6;
}

/* =====================
   NAITUS CORE PRODUCTS
   ===================== */
.core-products {
  padding: 80px 0;
}

.core-grid {
  display: flex;
  flex-direction: column;
}

.core-item {
  display: grid;
  grid-template-columns: 1fr 440px;
  gap: 56px;
  align-items: center;
  padding: 64px 0;
}

.core-mockup {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  width: 100%;
}

.core-mockup-wrap {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
}

.core-mockup-svg-container {
  width: 100%;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 24px;
  overflow: hidden;
}

.core-mockup-svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 20px 56px rgba(67, 108, 244, 0.14));
}

.core-mockup-svg-container img.core-mockup-svg {
  object-fit: cover;
  border: 1px solid rgba(67, 108, 244, 0.18);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.55);
}

.core-stats {
  display: flex;
  align-items: flex-start;
  gap: 0;
  border-top: 1px solid rgba(154, 164, 188, 0.08);
  padding-top: 12px;
}

.core-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  padding: 0 20px;
}

.core-stat:first-child {
  padding-left: 0;
}

.core-stat:last-child {
  padding-right: 0;
}

.core-stat-value {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  letter-spacing: 0;
}

.core-stat-label {
  font-family: var(--font-body);
  font-size: 12px;
  color: rgba(154, 164, 188, 0.6);
  line-height: 1.4;
}

.core-stat-divider {
  width: 1px;
  height: 44px;
  background-color: var(--border-subtle);
  flex-shrink: 0;
  align-self: center;
}

.core-item-main {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.core-item-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.core-divider {
  height: 1px;
  background-color: rgba(154, 164, 188, 0.08);
  width: 100%;
}

.core-icon {
  width: 36px;
  height: 36px;
  background-color: var(--blue-bg-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.core-product-type {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--blue);
  background-color: var(--blue-bg-light);
  padding: 4px 12px;
  border-radius: 10px;
  border: 1px solid var(--border-blue);
  display: inline-block;
}

.core-item h3 {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0;
  line-height: 1.15;
  margin: 0;
}

.core-tagline {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--gray);
  line-height: 1.6;
  margin: 0;
  max-width: 520px;
}

.core-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
}

.core-features li {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--gray);
  padding-left: 18px;
  position: relative;
  line-height: 1.5;
}

.core-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--blue);
}

.core-link {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  color: var(--gray);
  background-color: transparent;
  border: 1px solid rgba(154, 164, 188, 0.3);
  text-decoration: none;
  padding: 12px 16px;
  border-radius: 12px;
  transition: color 0.2s, border-color 0.2s;
  width: fit-content;
  margin-top: 4px;
}

.core-link:hover {
  color: var(--white);
  border-color: rgba(154, 164, 188, 0.6);
}

/* =====================
   METRICS STRIP
   ===================== */
.metrics {
  padding: 56px 0;
}

.metrics-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 48px;
  gap: 6px;
  flex: 1;
}

.metric-value {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 500;
  color: var(--white);
  letter-spacing: 0;
  line-height: 1;
}

.metric-label {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--gray);
  line-height: 1.4;
  max-width: 140px;
  text-align: center;
}

.metric-divider {
  width: 1px;
  height: 56px;
  background-color: rgba(154, 164, 188, 0.12);
  flex-shrink: 0;
}

/* =====================
   EXPERTISE / CASES
   ===================== */
.expertise {
  padding: 80px 0;
  background: linear-gradient(180deg, #121319 0%, #0A0B0E 100%);
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 24px;
}

.expertise-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  padding: 0;
  border-radius: 16px;
  background: #1a1b24;
  border: 1px solid rgba(154, 164, 188, 0.1);
  cursor: pointer;
  transition: border-color 0.25s;
  width: 100%;
  font-family: inherit;
  overflow: hidden;
}

.expertise-card:hover {
  border-color: var(--blue);
}

.expertise-media {
  position: relative;
  width: 100%;
  margin-bottom: 18px;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(154, 164, 188, 0.1);
  background-color: rgba(154, 164, 188, 0.04);
  aspect-ratio: 16 / 9;
}

.expertise-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.expertise-media .card-expand-icon {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background-color: rgba(18, 19, 25, 0.7);
  border: 1px solid rgba(154, 164, 188, 0.18);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.bento-card {
  grid-column: span 2;
}

.bento-card--featured {
  grid-column: span 4;
}

.bento-media {
  position: relative;
  width: 100%;
  height: 0;
  padding-top: 58%;
  margin: 0;
  overflow: hidden;
  background: rgba(154, 164, 188, 0.06);
}

.bento-card--featured .bento-media {
  padding-top: 48%;
}

.bento-media img {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  transform: none;
  object-fit: cover;
  border-radius: 0;
  border: none;
  box-shadow: none;
  transition: none;
}

.bento-meta {
  width: 100%;
  display: flex;
  flex-direction: column;
  padding: 20px 24px 24px;
  flex: 1;
}

.bento-link {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: rgba(154, 164, 188, 0.5);
  transition: color 0.2s;
  align-self: flex-end;
}

.expertise-card:hover .bento-link {
  color: var(--white);
}


.bento-title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 10px;
  line-height: 1.25;
}

.bento-summary {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.6;
  margin: 0;
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-bottom: 24px;
}

.card-expand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(154, 164, 188, 0.35);
  transition: color 0.2s, transform 0.2s;
  flex-shrink: 0;
}

.card-tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--blue);
  background-color: var(--blue-bg-light);
  padding: 4px 12px;
  border-radius: 10px;
  border: 1px solid var(--border-blue);
}

.expertise-icon {
  margin-bottom: 18px;
}

.expertise-card h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
  line-height: 1.25;
  text-align: left;
}

.card-client {
  font-family: var(--font-body);
  font-size: 11px;
  color: var(--blue);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 10px;
}

.expertise-card > p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.6;
  flex-grow: 1;
}

/* =====================
   PAIN POINTS
   ===================== */
.pain-points {
  padding: 80px 0;
}

.pain-header {
  margin-bottom: 56px;
  text-align: center;
}

.pain-header h2 {
  font-family: var(--font-heading);
  font-size: 44px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: 0;
  text-align: center;
  max-width: 880px;
  margin-left: auto;
  margin-right: auto;
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.pain-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 32px 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.25s, background-color 0.25s, box-shadow 0.25s;
  position: relative;
  overflow: visible;
}

.pain-card:hover {
  border-color: rgba(67, 108, 244, 0.3);
  background-color: rgba(67, 108, 244, 0.05);
}

.pain-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pain-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background-color: var(--blue-bg);
  border: 1px solid rgba(67, 108, 244, 0.15);
  color: var(--blue);
  flex-shrink: 0;
}

.pain-tag {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--blue);
  background-color: transparent;
  padding: 4px 12px;
  border-radius: 10px;
  border: 1px solid rgba(67, 108, 244, 0.3);
}

.pain-card-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pain-number {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  color: rgba(154, 164, 188, 0.5);
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.pain-card-title {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin: 0;
  letter-spacing: 0;
}

.pain-card-body {
  font-family: var(--font-body);
  font-size: 14.5px;
  color: rgba(154, 164, 188, 0.85);
  line-height: 1.6;
  margin: 0;
}

.pain-closure {
  padding-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pain-closure p {
  font-family: var(--font-body);
  font-size: 26px;
  font-weight: 600;
  color: var(--white);
  line-height: 1.5;
  max-width: 720px;
}

.pain-cta {
  align-self: flex-start;
}

/* =====================
   PROCESS
   ===================== */
.process {
  padding: 80px 0;
  border-top: 1px solid rgba(154, 164, 188, 0.07);
}

.process-steps {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  gap: 0;
  margin-bottom: 64px;
}

.process-step {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  flex: 1;
}

.process-step-inner {
  flex: 1;
  padding: 0 32px 0 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.process-step:first-child .process-step-inner {
  padding-left: 0;
}

.process-arrow {
  display: flex;
  align-items: center;
  padding: 0 24px;
  color: rgba(154, 164, 188, 0.3);
  font-size: 18px;
  flex-shrink: 0;
  position: relative;
}

.process-arrow::after {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-top: 1.5px solid rgba(154, 164, 188, 0.25);
  border-right: 1.5px solid rgba(154, 164, 188, 0.25);
  transform: rotate(45deg);
}

.process-num {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--blue);
  text-transform: uppercase;
}

.process-title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  line-height: 1.3;
  margin: 0;
}

.process-body {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--gray);
  line-height: 1.6;
  margin: 0;
}

/* =====================
   IA BANNER
   ===================== */
.ia-banner {
  background-color: rgba(67, 108, 244, 0.05);
  border: 1px solid rgba(67, 108, 244, 0.14);
  border-radius: 16px;
  padding: 40px 44px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: center;
}

.ia-banner-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.ia-banner-illustration {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ia-illustration-svg {
  width: 100%;
  height: auto;
  max-width: 300px;
}

.ia-banner-header {
  display: flex;
  align-items: center;
  gap: 14px;
}

.ia-banner-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background-color: var(--blue-bg-light);
  border: 1px solid var(--border-blue);
  flex-shrink: 0;
}

.ia-banner-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin: 0;
  letter-spacing: -0.3px;
}

.ia-banner-lead {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--gray);
  line-height: 1.65;
  margin: 0;
  max-width: 720px;
}

.ia-bullets {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ia-bullets li {
  font-family: var(--font-body);
  font-size: 13.5px;
  color: rgba(154, 164, 188, 0.75);
  line-height: 1.55;
  padding-left: 16px;
  position: relative;
}

.ia-bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--blue);
  opacity: 0.7;
}

.ia-bullet-label {
  font-weight: 600;
  color: rgba(255, 255, 255, 0.75);
}

.ia-banner-note {
  font-family: var(--font-body);
  font-size: 12.5px;
  color: rgba(154, 164, 188, 0.5);
  margin: 0;
  font-style: italic;
}

.ia-tools {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid rgba(154, 164, 188, 0.07);
}

.ia-tool {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  color: rgba(154, 164, 188, 0.6);
  background-color: rgba(154, 164, 188, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 4px 10px;
  letter-spacing: 0.2px;
}

/* =====================
   TECH STACK
   ===================== */
.tech-stack {
  padding: 80px 0;
  border-top: 1px solid rgba(154, 164, 188, 0.07);
}

.tech-header {
  text-align: left;
  margin-bottom: 48px;
}

.tech-header h2 {
  font-family: var(--font-heading);
  font-size: 44px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0;
  line-height: 1.1;
  margin-bottom: 16px;
}

.tech-subtitle {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--gray);
  line-height: 1.6;
  margin: 0;
  max-width: 560px;
  text-align: left;
}

.tech-tabs-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.tech-tab-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0;
  margin-bottom: 0;
}

.tech-tab {
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 500;
  color: rgba(154, 164, 188, 0.55);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 10px 18px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  margin-bottom: -1px;
  white-space: nowrap;
}

.tech-tab:hover {
  color: rgba(255, 255, 255, 0.75);
}

.tech-tab.active {
  color: var(--white);
  border-bottom-color: var(--blue);
  font-weight: 600;
}

.tech-panel {
  padding: 36px 0 8px;
}

.tech-logo-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 136px;
}

.tech-logo-wrap {
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 16px;
  transition: border-color 0.2s, background-color 0.2s;
}

.tech-logo-wrap:hover {
  border-color: rgba(67, 108, 244, 0.3);
  background-color: rgba(67, 108, 244, 0.06);
}

.tech-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.tech-name {
  font-family: var(--font-body);
  font-size: 11px;
  color: rgba(154, 164, 188, 0.55);
  text-align: center;
  line-height: 1.3;
  width: 100%;
}

/* =====================
   CONTACT
   ===================== */
.contact {
  padding: 80px 0;
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-text h2 {
  font-family: var(--font-heading);
  font-size: 44px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: 0;
  line-height: 1.1;
}

.contact-text p {
  font-family: var(--font-body);
  color: var(--gray);
  font-size: 20px;
  line-height: 1.6;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.input,
.textarea {
  background-color: rgba(154, 164, 188, 0.06);
  border: 1px solid rgba(154, 164, 188, 0.15);
  border-radius: 12px;
  padding: 14px 18px;
  color: var(--white);
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}

.input::placeholder,
.textarea::placeholder {
  color: rgba(154, 164, 188, 0.5);
}

.input:focus,
.textarea:focus {
  border-color: var(--blue);
}

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

.btn-submit {
  background-color: transparent;
  color: var(--gray);
  border: 1px solid var(--gray);
  padding: 12px 16px;
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 500;
  cursor: pointer;
  width: 100%;
  transition: color 0.2s, border-color 0.2s, transform 0.2s;
}

.btn-submit:hover {
  color: var(--white);
  border-color: var(--white);
  transform: translateY(-1px);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.contact-feedback {
  font-size: 14px;
  text-align: center;
  min-height: 20px;
  margin: 0;
}

.contact-feedback.success {
  color: #4ade80;
}

.contact-feedback.error {
  color: #f87171;
}

/* =====================
   MODAL
   ===================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(10, 11, 16, 0.85);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
  animation: fadeIn 0.2s ease;
}

.modal-overlay.hidden {
  display: none;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal-panel {
  position: relative;
  background-color: #1A1B24;
  border: 1px solid rgba(67, 108, 244, 0.25);
  border-radius: 12px;
  padding: 48px;
  max-width: 580px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.25s ease;
}

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

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  border: 1px solid rgba(154, 164, 188, 0.15);
  background: transparent;
  color: var(--gray);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, border-color 0.2s, background-color 0.2s;
  font-family: inherit;
}

.modal-close:hover {
  color: var(--white);
  border-color: rgba(154, 164, 188, 0.35);
  background-color: rgba(154, 164, 188, 0.06);
}

.modal-header {
  margin-bottom: 28px;
}

.modal-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--blue);
  background-color: var(--blue-bg-light);
  padding: 4px 12px;
  border-radius: 10px;
  border: 1px solid var(--border-blue);
  margin-bottom: 20px;
}

.modal-icon {
  margin-bottom: 16px;
}

.modal-header h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin-bottom: 6px;
}

.modal-client {
  font-size: 13px;
  color: rgba(154, 164, 188, 0.5);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.modal-body {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.75;
  margin-bottom: 36px;
  padding-top: 28px;
}

.modal-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}

.result-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background-color: rgba(67, 108, 244, 0.06);
  border: 1px solid rgba(67, 108, 244, 0.15);
  border-radius: 12px;
  padding: 18px 12px;
  gap: 6px;
}

.result-value {
  font-size: 24px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
  line-height: 1;
}

.result-label {
  font-size: 11px;
  color: var(--gray);
  text-align: center;
  line-height: 1.4;
}

.modal-actions {
  display: flex;
  flex-direction: row;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.modal-case-link {
  display: inline-block;
  background-color: transparent;
  color: var(--gray);
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid rgba(154, 164, 188, 0.3);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s;
}

.modal-case-link:hover {
  color: var(--white);
  border-color: rgba(154, 164, 188, 0.6);
}

.modal-case-link.hidden {
  display: none;
}

.modal-cta {
  display: block;
  text-align: center;
  background-color: transparent;
  color: var(--gray);
  border: 1px solid var(--gray);
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s, transform 0.2s;
}

.modal-cta:hover {
  color: var(--white);
  border-color: var(--white);
  transform: translateY(-1px);
}

/* =====================
   CLOSING / TESTIMONIAL
   ===================== */
.closing {
  padding: 80px 0;
}

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

.closing-inner .section-eyebrow {
  color: var(--gray);
}

.testimonial {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  background: rgba(154, 164, 188, 0.04);
  border: 1px solid rgba(154, 164, 188, 0.1);
  border-radius: 20px;
  padding: 40px 48px;
  max-width: 760px;
  margin: 0 auto;
}

.avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #436CF4, #436CF4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  flex-shrink: 0;
}

.testimonial-text {
  font-family: var(--font-body);
  font-size: 20px;
  color: var(--gray);
  font-style: italic;
  max-width: 600px;
  line-height: 1.6;
  text-align: center;
}

.testimonial-author {
  font-family: var(--font-body);
  font-size: 18px;
  color: rgba(154, 164, 188, 0.6);
  font-style: normal;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-align: center;
}

/* =====================
   FOOTER
   ===================== */
.footer {
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copy {
  font-size: 13px;
  color: rgba(154, 164, 188, 0.5);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 13px;
  color: rgba(154, 164, 188, 0.5);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--gray);
}

/* =====================
   MOBILE NAV
   ===================== */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid rgba(154, 164, 188, 0.15);
  border-radius: 10px;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  transition: border-color 0.2s;
}

.mobile-menu-btn:hover {
  border-color: rgba(154, 164, 188, 0.35);
}

.hamburger-bar {
  display: block;
  width: 18px;
  height: 1.5px;
  background-color: var(--gray);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
  transform-origin: center;
}

.hamburger-bar.top-open {
  transform: translateY(6.5px) rotate(45deg);
}

.hamburger-bar.mid-open {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger-bar.bot-open {
  transform: translateY(-6.5px) rotate(-45deg);
}

.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 49;
  background-color: rgba(12, 15, 26, 0.97);
  backdrop-filter: blur(12px);
  display: none;
  flex-direction: column;
  justify-content: center;
  padding: 80px 32px 48px;
  animation: drawerFadeIn 0.2s ease;
}

.mobile-drawer.open {
  display: flex;
}

@keyframes drawerFadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 32px;
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 700;
  color: rgba(154, 164, 188, 0.5);
  text-decoration: none;
  letter-spacing: -0.5px;
  line-height: 1.2;
  transition: color 0.2s;
  display: block;
}

.mobile-nav-link:hover {
  color: var(--white);
}

.mobile-nav-cta {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  color: var(--gray);
  border: 1px solid rgba(154, 164, 188, 0.25);
  border-radius: 12px;
  padding: 12px 24px;
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s;
}

.mobile-nav-cta:hover {
  color: var(--white);
  border-color: rgba(154, 164, 188, 0.5);
}

/* =====================
   RESPONSIVE — Tablet (max 1024px)
   ===================== */
@media (max-width: 1024px) {
  .container {
    padding: 0 24px;
  }

  .expertise-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .bento-card {
    grid-column: span 2;
  }

  .bento-card--featured {
    grid-column: span 4;
  }

  .core-item {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 48px 0;
  }

  .metrics-grid {
    flex-wrap: wrap;
    gap: 32px;
  }

  .metric-divider {
    display: none;
  }

  .metric-item {
    flex: 0 0 40%;
    padding: 0 16px;
  }

  .nav-cta {
    display: none;
  }
}

/* =====================
   RESPONSIVE — Mobile (max 768px)
   ===================== */
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
    max-width: 100%;
    overflow-x: hidden;
  }

  .nav-links {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .navbar {
    padding: 12px 0;
  }

  .nav-inner {
    gap: 12px;
  }

  .logo img {
    height: 24px !important;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .hero {
    padding: 116px 0 48px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 36px;
    display: flex;
    flex-direction: column;
  }

  .hero-visual {
    order: -1;
  }

  .hero-photo {
    max-width: 100%;
    max-height: 280px;
    object-fit: cover;
    object-position: center;
    aspect-ratio: 16 / 9;
  }

  .hero-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-content h1 {
    font-size: 32px;
    letter-spacing: -0.5px;
    margin-left: auto;
    margin-right: auto;
    text-align: center !important;
  }

  .hero-content p {
    font-size: 17px;
    margin-bottom: 28px;
    margin-left: auto;
    margin-right: auto;
    text-align: center !important;
    max-width: 100%;
  }

  .hero-content .btn-primary {
    margin: 0 auto;
  }

  .section-header,
  .pain-header,
  .tech-header {
    text-align: center;
  }

  .section-header h2,
  .pain-header h2,
  .contact-text h2,
  .tech-header h2 {
    font-size: 28px;
    letter-spacing: -0.3px;
  }

  .section-header p,
  .contact-text p {
    font-size: 16px;
    text-align: center;
  }

  .pain-header p {
    text-align: center;
  }

  .section-eyebrow {
    font-size: 20px;
    text-align: center;
  }

  .logos-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px 16px;
    justify-items: center;
  }

  .logos-row .logo-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
  }

  .logos-row .logo-item img {
    max-width: 120px;
    width: 100%;
    height: auto;
    object-fit: contain;
  }

  .metrics {
    padding: 40px 0;
  }

  .metrics-grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    max-width: 100%;
    width: 100%;
  }

  .metric-item {
    flex: 0 0 auto;
    padding: 20px 0;
    position: relative;
    text-align: center;
    width: 100%;
    align-items: center;
    justify-content: center;
  }

  .metric-item:not(:last-child)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 1px;
    background: rgba(154, 164, 188, 0.15);
  }

  .metric-value {
    font-size: 36px;
  }

  .metric-label {
    font-size: 14px;
  }

  .core-products {
    padding: 56px 0;
  }

  .core-item {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 36px 0;
    text-align: center;
  }

  .core-mockup {
    margin: 0;
    padding: 0;
  }

  .core-item h3 {
    font-size: 26px;
  }

  .core-text {
    text-align: center;
  }

  .core-text p {
    text-align: center;
  }

  .core-features {
    text-align: center;
  }

  .core-features li {
    text-align: center;
    list-style-position: inside;
  }

  .core-item-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-left: auto;
    margin-right: auto;
  }

  .core-product-type {
    text-align: center;
  }

  .core-link {
    margin-left: auto;
    margin-right: auto;
  }

  .core-mockup-svg-container {
    height: auto;
    min-height: 200px;
  }

  .core-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    padding-top: 20px;
    width: 100%;
  }

  .core-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    text-align: center;
    padding: 0 8px;
    position: relative;
  }

  .core-stat:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 32px;
    background: rgba(154, 164, 188, 0.15);
  }

  .core-stat-divider {
    display: none;
  }

  .core-stat-value {
    font-size: 22px;
  }

  .pain-points {
    padding: 56px 0;
  }

  .pain-grid {
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 16px;
    padding-bottom: 16px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .pain-grid::-webkit-scrollbar {
    display: none;
  }

  .pain-card {
    flex: 0 0 85%;
    scroll-snap-align: center;
    padding: 24px 20px;
  }

  .pain-header {
    margin-bottom: 36px;
  }

  .carousel-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
  }

  .carousel-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(154, 164, 188, 0.25);
    transition: background 0.3s, width 0.3s;
  }

  .carousel-dot.active {
    width: 20px;
    border-radius: 3px;
    background: var(--blue);
  }

  .expertise {
    padding: 56px 0;
  }

  .expertise-grid {
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 16px;
    padding-bottom: 16px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .expertise-grid::-webkit-scrollbar {
    display: none;
  }

  .bento-card,
  .bento-card--featured {
    flex: 0 0 85%;
    scroll-snap-align: center;
  }

  .expertise-card {
    padding: 0;
  }

  .section-header {
    margin-bottom: 36px;
  }

  .tech-stack {
    padding: 56px 0;
  }

  .tech-header {
    margin-bottom: 32px;
  }

  .tech-header p {
    text-align: center;
  }

  .tech-tab-bar {
    gap: 4px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    flex-wrap: nowrap;
    padding-bottom: 0;
  }

  .tech-tab-bar::-webkit-scrollbar {
    display: none;
  }

  .tech-tab {
    font-size: 12px;
    padding: 8px 12px;
    white-space: nowrap;
    flex-shrink: 0;
  }

  .tech-logo-grid {
    gap: 14px;
  }

  .tech-item {
    width: 80px;
  }

  .tech-logo-wrap {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    padding: 10px;
  }

  .tech-name {
    font-size: 10px;
  }

  .process {
    padding: 56px 0;
  }

  .process-steps {
    flex-direction: column;
    gap: 0;
    margin-bottom: 40px;
  }

  .process-step {
    flex-direction: column;
    align-items: center;
    border-bottom: 1px solid rgba(154, 164, 188, 0.07);
    text-align: center;
  }

  .process-step:last-child {
    border-bottom: none;
  }

  .process-arrow {
    display: none;
  }

  .process-step-inner {
    padding: 20px 0;
  }

  .ia-banner {
    padding: 28px 20px;
    grid-template-columns: 1fr;
    gap: 28px;
    text-align: center;
  }

  .ia-banner-content {
    text-align: center;
  }

  .ia-banner-title {
    text-align: center;
  }

  .ia-banner-lead {
    text-align: center;
  }

  .ia-bullets {
    text-align: left;
    display: inline-block;
  }

  .ia-banner-icon {
    display: none;
  }

  .ia-banner-header {
    justify-content: center;
    text-align: center;
  }

  .ia-banner-title {
    text-align: center !important;
  }

  .ia-banner-illustration {
    order: -1;
  }

  .ia-illustration-svg {
    max-width: 260px;
    margin: 0 auto;
    display: block;
  }

  .ia-tools {
    flex-wrap: wrap;
  }

  .contact {
    padding: 56px 0;
  }

  .contact-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .contact-text {
    text-align: center;
  }

  .contact-text h2 {
    font-size: 28px;
  }

  .modal-overlay {
    padding: 16px;
    align-items: flex-end;
  }

  .modal-panel {
    padding: 28px 20px 32px;
    border-radius: 16px 16px 0 0;
    max-height: 85vh;
    width: 100%;
    max-width: 100%;
    overflow-y: auto;
  }

  .modal-header h2 {
    font-size: 24px;
  }

  .modal-body {
    font-size: 14px;
  }

  .modal-actions {
    flex-direction: column;
    gap: 12px;
  }

  .modal-actions .btn-primary,
  .modal-actions .modal-case-link {
    width: 100%;
    text-align: center;
  }

  .modal-results {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .result-value {
    font-size: 18px;
  }

  .closing {
    padding: 56px 0;
  }

  .testimonial-text {
    font-size: 16px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .footer-links {
    gap: 16px;
  }

  .floating-btn {
    bottom: 20px;
    right: 16px;
    padding: 8px 12px 8px 8px;
  }

  .floating-label {
    display: block;
  }
}

/* =====================
   RESPONSIVE — Small mobile (max 480px)
   ===================== */
@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 28px;
  }

  .metrics-grid {
    gap: 20px;
  }

  .metric-item {
    flex: 0 0 100%;
    align-items: center;
    text-align: center;
    padding: 0;
  }

  .metric-value {
    font-size: 32px;
  }

  .pain-card-title {
    font-size: 18px;
  }

  .core-stat {
    flex: unset;
  }

  .tech-item {
    width: 72px;
  }

  .tech-logo-wrap {
    width: 56px;
    height: 56px;
  }
}

/* =====================
   RESPONSIVE — Small mobile (max 640px) 
   ===================== */
@media (max-width: 640px) {
  .tech-item {
    width: 96px;
  }

  .tech-logo-wrap {
    width: 80px;
    height: 80px;
  }
}