/* ============================================================
   HeinTech — style.css
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

/* ============================================================
   Variables
   ============================================================ */

:root {
  --near-black:    #0F172A;
  --dark-card:     #F1F5F9;
  --electric-blue: #2563EB;
  --soft-blue:     #2563EB;
  --blue-tint:     #EFF6FF;
  --blue-light:    #DBEAFE;
  --border:        #E2E8F0;
  --gray:          #64748B;
  --light-gray:    #64748B;
  --white:         #FFFFFF;

  --nav-height:      70px;
  --container-width: 1200px;
  --radius:          12px;
}

/* ============================================================
   Reset & Base
   ============================================================ */

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

[hidden] { display: none !important; }

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  background: var(--white);
  color: var(--near-black);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

main {
  flex: 1;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   Header
   ============================================================ */

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

header nav {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 36px;
}

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

.logo img {
  height: 56px;
  width: auto;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  margin-left: auto;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color 0.2s;
  position: relative;
  white-space: nowrap;
}

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

.nav-links a.active {
  color: var(--near-black);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--electric-blue);
  border-radius: 1px;
}

/* ============================================================
   Hamburger
   ============================================================ */

nav .nav-cta {
  font-size: 0.875rem;
  padding: 7px 18px;
  flex-shrink: 0;
  border-radius: 6px;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--near-black);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
  pointer-events: none;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   Mobile Navigation
   ============================================================ */

@media (max-width: 768px) {
  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 0 16px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    width: 100%;
    padding: 14px 24px;
    font-size: 1rem;
  }

  .nav-links a.active::after {
    display: none;
  }

  .nav-links a.active {
    color: var(--electric-blue);
  }
}

/* ============================================================
   Shared
   ============================================================ */

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--soft-blue);
  margin-bottom: 14px;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 56px;
}

.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--light-gray);
  font-size: 1rem;
  line-height: 1.7;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-family: 'Poppins', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--electric-blue);
  color: var(--white);
  border-color: var(--electric-blue);
}

.btn-primary:hover {
  background: #1d4ed8;
  border-color: #1d4ed8;
}

.btn-outline {
  background: transparent;
  color: var(--near-black);
  border-color: var(--border);
}

.btn-outline:hover {
  border-color: var(--near-black);
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--nav-height) + 100px);
  padding-bottom: 120px;
}

.hero-bg-graphic {
  position: absolute;
  right: 0;
  top: 0;
  width: 52%;
  height: 100%;
  pointer-events: none;
  opacity: 0.8;
  z-index: 0;
}

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

.hero-bg-graphic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-inner {
  max-width: 720px;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero-title--sm {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
}

.hero-desc {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--light-gray);
  max-width: 640px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============================================================
   Tech Stack
   ============================================================ */

.logo-strip {
  padding: 48px 0;
  background: var(--blue-tint);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.tech-stack-header {
  text-align: center;
  margin-bottom: 40px;
}

.tech-stack-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.tech-stack-subtitle {
  font-size: 1rem;
  color: var(--gray);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}

.logo-track {
  display: flex;
  align-items: center;
  gap: 48px;
  justify-content: center;
  flex-wrap: wrap;
}

.tech-logo {
  height: 44px;
  width: auto;
  opacity: 0.9;
  transition: opacity 0.2s;
}

.tech-logo:hover {
  opacity: 1;
}

/* ============================================================
   Services
   ============================================================ */

.services {
  padding: 100px 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.service-card:hover {
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.08);
  transform: translateY(-4px);
}

.service-icon {
  width: 48px;
  height: 48px;
  background: rgba(37, 99, 235, 0.12);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--soft-blue);
  margin-bottom: 24px;
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--light-gray);
}

.service-list {
  list-style: none;
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-list li {
  font-size: 0.85rem;
  color: var(--gray);
  padding-left: 16px;
  position: relative;
}

.service-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--electric-blue);
}

.services-cta {
  display: flex;
  align-items: center;
  gap: 20px;
  justify-content: center;
  margin-top: 48px;
}

.services-cta p {
  font-size: 0.95rem;
  color: var(--gray);
}

/* ============================================================
   Process
   ============================================================ */

.process {
  background: var(--near-black);
  padding: 96px 0;
}

.process-header h2 {
  color: var(--white);
}

.process-label {
  color: #60a5fa;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.process-step {
  padding: 0 24px;
  text-align: center;
  position: relative;
}

.process-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 24px;
  left: calc(50% + 28px);
  width: calc(100% - 56px);
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
  z-index: 0;
}

.process-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.2);
  border: 1px solid rgba(37, 99, 235, 0.4);
  color: #60a5fa;
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
}

.process-step h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 12px;
}

.process-step p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
}

/* ============================================================
   About Strip
   ============================================================ */

.about-strip {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.about-strip-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-strip-text h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.ms-certified-logo {
  height: 48px;
  width: auto;
  display: block;
  margin-top: 24px;
}

.about-strip-text p:not(.section-label) {
  font-size: 0.975rem;
  line-height: 1.75;
  color: var(--light-gray);
  margin-bottom: 32px;
}

.about-strip-image {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--dark-card);
  border: 1px solid var(--border);
}

.about-strip-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
  filter: grayscale(20%);
}

/* ============================================================
   Stats
   ============================================================ */

.stats {
  padding: 80px 0;
  background: var(--blue-tint);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  text-align: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 700;
  color: var(--soft-blue);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.stat-sublabel {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 12px;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--light-gray);
  line-height: 1.6;
  max-width: 260px;
}

/* ============================================================
   CTA Banner
   ============================================================ */

.cta-banner {
  padding: 100px 0;
}

.cta-banner-inner {
  background: linear-gradient(135deg, #1e3a8a 0%, #2563EB 100%);
  border-radius: 20px;
  padding: 72px 64px;
  text-align: center;
}

.cta-banner-inner h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.cta-banner-inner p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 480px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.cta-banner-inner .btn-primary {
  background: var(--white);
  color: var(--electric-blue);
  border-color: var(--white);
}

.cta-banner-inner .btn-primary:hover {
  background: var(--blue-light);
  border-color: var(--blue-light);
}

/* ============================================================
   Footer
   ============================================================ */

footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  background: var(--dark-card);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-logo img {
  height: 38px;
  width: auto;
  opacity: 0.7;
}

.footer-copy,
.footer-legal {
  font-size: 0.8rem;
  color: var(--gray);
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .hero {
    padding-top: calc(var(--nav-height) + 60px);
    padding-bottom: 80px;
  }

  .hero-bg-graphic {
    display: none;
  }

  .hero h1 {
    font-size: clamp(2rem, 8vw, 2.75rem);
  }

  .services {
    padding: 72px 0;
  }

  .process {
    padding: 72px 0;
  }

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

  .process-step {
    text-align: left;
    padding: 0;
    display: grid;
    grid-template-columns: 48px 1fr;
    grid-template-rows: auto auto;
    column-gap: 20px;
    align-items: start;
  }

  .process-step::after {
    display: none;
  }

  .process-number {
    margin: 0;
    grid-row: 1 / 3;
  }

  .process-step h3 {
    align-self: end;
    padding-bottom: 4px;
  }

  .process-step p {
    grid-column: 2;
  }

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

  .about-strip {
    padding: 72px 0;
  }

  .about-strip-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-strip-image {
    order: -1;
  }

  .stats {
    padding: 60px 0;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .cta-banner {
    padding: 72px 0;
  }

  .cta-banner-inner {
    padding: 48px 28px;
    border-radius: 14px;
  }

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

  .section-header {
    margin-bottom: 40px;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    text-align: center;
    justify-content: center;
  }
}

/* ============================================================
   Cases
   ============================================================ */

.cases-hero {
  padding-bottom: 64px;
}

.cases-section {
  padding-bottom: 120px;
}

.cases-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.case-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.case-card:hover {
  border-color: rgba(37, 99, 235, 0.25);
  box-shadow: 0 8px 40px rgba(37, 99, 235, 0.08);
}

.case-video-wrap {
  background: #0a0a0a;
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  display: block;
}

.case-video-placeholder {
  aspect-ratio: 16 / 9;
  background: var(--dark-card);
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-video-placeholder-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  color: var(--border);
  text-align: center;
  padding: 40px;
}

.case-video-placeholder-inner p {
  font-size: 0.85rem;
  color: var(--gray);
}

.case-body {
  padding: 32px 36px 40px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.case-meta {
  margin-bottom: 16px;
}

.case-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--soft-blue);
  background: rgba(37, 99, 235, 0.08);
  border-radius: 4px;
  padding: 4px 10px;
}

.case-title {
  font-size: clamp(1.3rem, 2vw, 1.75rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.case-desc {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--light-gray);
  margin-bottom: 32px;
}

.case-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.case-detail-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 10px;
}

.case-feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--blue-tint);
  border-radius: 8px;
  padding: 16px 20px;
}

.case-feature-list li {
  font-size: 0.875rem;
  color: var(--near-black);
  padding-left: 22px;
  position: relative;
  line-height: 1.6;
}

.case-feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--electric-blue);
  font-weight: 700;
  font-size: 0.8rem;
}

.case-card--placeholder .case-title,
.case-card--placeholder .case-desc,
.case-card--placeholder .case-feature-list li {
  color: var(--gray);
}

.case-card--placeholder .case-title {
  color: var(--near-black);
  opacity: 0.5;
}

@media (max-width: 768px) {
  .cases-list {
    grid-template-columns: 1fr;
  }

  .case-body {
    padding: 24px 24px 32px;
  }
}

/* ============================================================
   Foundry Section
   ============================================================ */

.foundry-section {
  padding: 56px 0;
  background: var(--near-black);
}

.foundry-inner {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.foundry-text {
  display: flex;
  flex-direction: column;
  gap: 0;
  align-items: center;
  text-align: center;
}

.foundry-text h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
}

.foundry-text p {
  font-size: 0.975rem;
  line-height: 1.75;
  color: var(--white);
}

.foundry-text .section-label {
  color: #60a5fa;
}

.foundry-image {
  border-radius: var(--radius);
  overflow: hidden;
  margin: 34px 0 28px;
  max-width: 800px;
}

.foundry-image img,
.foundry-video {
  width: 100%;
  height: auto;
  display: block;
  pointer-events: none;
}

/* ============================================================
   Cases — Placeholder (legacy)
   ============================================================ */

.cases-placeholder {
  padding-top: calc(var(--nav-height) + 120px);
  padding-bottom: 120px;
}

.cases-placeholder-inner {
  max-width: 560px;
}

.cases-placeholder-inner h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.cases-placeholder-inner p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--light-gray);
}

.hero-desc a {
  color: var(--electric-blue);
  text-decoration: none;
}

.hero-desc a:hover {
  text-decoration: underline;
}

/* ============================================================
   Services — Audience
   ============================================================ */

.services-audience {
  padding: 100px 0;
  background: var(--blue-tint);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.audience-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: box-shadow 0.2s, transform 0.2s;
}

.audience-card:hover {
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.08);
  transform: translateY(-4px);
}

.audience-icon {
  width: 44px;
  height: 44px;
  background: rgba(37, 99, 235, 0.12);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--soft-blue);
  margin-bottom: 20px;
}

.audience-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.audience-card p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--light-gray);
}

/* ============================================================
   Services — Use Cases
   ============================================================ */

.services-usecases {
  padding: 100px 0;
}

.usecases-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.usecase-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 36px;
  transition: border-color 0.2s;
}

.usecase-item:hover {
  border-color: rgba(37, 99, 235, 0.3);
}

.usecase-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--soft-blue);
  background: rgba(37, 99, 235, 0.08);
  border-radius: 4px;
  padding: 4px 10px;
  margin-bottom: 20px;
}

.usecase-content {
  display: grid;
  grid-template-columns: 1fr 40px 1fr;
  gap: 24px;
  align-items: center;
}

.usecase-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 8px;
}

.usecase-problem p:last-child,
.usecase-solution p:last-child {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--near-black);
}

.usecase-arrow {
  display: flex;
  justify-content: center;
  color: var(--border);
}

.usecase-solution {
  background: var(--blue-tint);
  border-radius: 8px;
  padding: 16px 20px;
}

/* ============================================================
   Services — FAQ
   ============================================================ */

.services-faq {
  padding: 100px 0;
  background: var(--near-black);
  border-top: 1px solid var(--border);
}

.services-faq .section-header h2 {
  color: var(--white);
}

.services-faq .section-label {
  color: #60a5fa;
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-item {
  padding: 28px 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.faq-question {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 10px;
}

.faq-answer {
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.55);
}

@media (max-width: 1024px) {
  .audience-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .usecase-content {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .usecase-arrow {
    transform: rotate(90deg);
  }
}

/* ============================================================
   About — Story
   ============================================================ */

.about-story {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.about-story-inner {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 80px;
  align-items: start;
}

.about-story-text h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 28px;
}

.about-story-text p {
  font-size: 0.975rem;
  line-height: 1.85;
  color: var(--light-gray);
  margin-bottom: 20px;
}

.about-story-text p:last-child {
  margin-bottom: 0;
}

.about-story-aside {
  display: flex;
  flex-direction: column;
  align-self: center;
}

.about-pullquote {
  background: var(--near-black);
  border-radius: var(--radius);
  padding: 40px 36px;
}

.about-pullquote blockquote {
  font-size: 1.15rem;
  font-weight: 500;
  line-height: 1.7;
  color: var(--white);
  margin-bottom: 28px;
  position: relative;
}


.about-pullquote figcaption {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
}

.about-pullquote-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white);
}

.about-pullquote-role {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ============================================================
   About — Team
   ============================================================ */

.about-team {
  padding: 100px 0;
  background: var(--blue-tint);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}


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

.team-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
  grid-template-columns: 200px 1fr;
  grid-template-rows: auto auto 1fr;
  transition: box-shadow 0.2s, transform 0.2s;
}

.team-card-left {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  flex-direction: column;
}

.team-card-body {
  grid-column: 2;
  grid-row: 1 / 4;
}

.team-card-contact {
  grid-column: 1;
  grid-row: 2;
  align-self: start;
}

.team-card-certs {
  grid-column: 1;
  grid-row: 3;
  align-self: start;
}

.team-card:hover {
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.08);
  transform: translateY(-4px);
}

.team-card-image {
  aspect-ratio: 2 / 3;
  background: var(--dark-card);
  overflow: hidden;
}

.team-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
  filter: grayscale(10%);
}

.team-card-image--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--border);
}

.team-card-body {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
}

.team-card-body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.team-card-title {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--soft-blue);
  margin-bottom: 4px;
}

.team-card-degree {
  font-size: 0.8rem;
  color: var(--gray);
  margin-bottom: 16px;
}

.team-card-bio {
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--light-gray);
  flex: 1;
  margin-bottom: 20px;
}

.team-card-contact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px 28px 14px;
}

.team-card-contact a {
  font-size: 0.8rem;
  color: var(--gray);
  text-decoration: none;
  transition: color 0.2s;
  word-break: break-all;
}

.team-card-contact a:hover {
  color: var(--electric-blue);
}

.team-card-certs {
  padding: 12px 28px 16px;
}

.team-card-certs-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.team-card-certs-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.team-card-certs-list li {
  font-size: 0.8rem;
  color: var(--gray);
}

.team-card-linkedin {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--soft-blue);
  text-decoration: none;
  transition: opacity 0.2s;
}

.team-card-linkedin:hover {
  opacity: 0.7;
}

/* ============================================================
   About — Values
   ============================================================ */

.about-values {
  padding: 100px 0;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.value-card {
  padding: 40px 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.value-card:hover {
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.08);
  transform: translateY(-4px);
}

.value-icon {
  width: 48px;
  height: 48px;
  background: rgba(37, 99, 235, 0.12);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--soft-blue);
  margin-bottom: 24px;
}

.value-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.value-card p {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--light-gray);
}

/* Responsive — About */
@media (max-width: 1024px) {
  .team-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .about-story-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-story-aside {
    position: static;
  }

  .about-story-image {
    aspect-ratio: 4 / 3;
  }

  .team-card {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .team-card-left,
  .team-card-body,
  .team-card-contact,
  .team-card-certs {
    grid-column: 1;
    grid-row: auto;
  }

  .team-card-body {
    padding-bottom: 4px;
  }

  .team-card-contact {
    padding-top: 4px;
  }

  .team-card-image {
    aspect-ratio: 4 / 3;
  }
}

/* ============================================================
   Contact
   ============================================================ */

.contact-section {
  padding-top: calc(var(--nav-height) + 80px);
  padding-bottom: 120px;
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 80px;
  align-items: start;
}

.contact-form-col h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 12px;
}

.contact-desc {
  font-size: 1rem;
  color: var(--gray);
  margin-bottom: 56px;
  line-height: 1.6;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--near-black);
}

.required { color: var(--electric-blue); }

.optional {
  font-weight: 400;
  color: var(--gray);
  font-size: 0.8rem;
}

.form-group input,
.form-group textarea {
  font-family: 'Poppins', sans-serif;
  font-size: 0.9rem;
  color: var(--near-black);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 11px 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #94a3b8;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--electric-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.contact-submit {
  align-self: flex-start;
  margin-top: 8px;
}

.contact-info-card {
  background: var(--blue-tint);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
  position: sticky;
  top: calc(var(--nav-height) + 32px);
}

.contact-company {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--near-black);
  margin-bottom: 4px;
}

.contact-address {
  font-size: 0.9rem;
  color: var(--gray);
  margin-bottom: 32px;
}

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

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--near-black);
  text-decoration: none;
  transition: color 0.2s;
}

.contact-detail-item:hover {
  color: var(--electric-blue);
}

.contact-detail-item svg {
  flex-shrink: 0;
  color: var(--electric-blue);
}

.contact-success {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 40px 32px;
  margin-top: 24px;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius);
}

.contact-success-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #dcfce7;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #16a34a;
}

.contact-success h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--near-black);
}

.contact-success p {
  font-size: 0.95rem;
  color: var(--gray);
  line-height: 1.6;
}

.contact-error {
  padding: 16px 20px;
  margin-top: 24px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--radius);
}

.contact-error p {
  font-size: 0.9rem;
  color: #991b1b;
  line-height: 1.6;
}

.contact-error a {
  color: #991b1b;
  font-weight: 600;
}

.contact-submit:disabled {
  opacity: 0.6;
  cursor: default;
}

.contact-submit:disabled:active {
  transform: none;
}

@media (max-width: 768px) {
  .contact-section {
    padding-top: calc(var(--nav-height) + 48px);
    padding-bottom: 80px;
  }

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

  .contact-info-card {
    position: static;
  }
}