/* =====================================================
   QUANTIVIDA — Main Stylesheet
   Colors: Navy #0B1F2A | Cyan #22D3EE | White #FFFFFF
   Font: Inter (Google Fonts)
   Responsive: Mobile-first, breakpoints at 640px, 768px, 1024px
   ===================================================== */

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: #0B1F2A;
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

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

/* ===== CSS VARIABLES ===== */
:root {
  --navy:        #0B1F2A;
  --navy-mid:    #0D2133;
  --navy-light:  #132D3E;
  --navy-heading: #0D2A3F;
  --cyan:        #22D3EE;
  --cyan-dark:   #06B6D4;
  --white:       #FFFFFF;
  --off-white:   #F8FAFC;
  --gray-100:    #F1F5F9;
  --gray-200:    #E2E8F0;
  --gray-400:    #94A3B8;
  --gray-600:    #475569;
  --text-body:   #334155;

  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   18px;
  --radius-xl:   24px;

  --shadow-card: 0 2px 16px rgba(11, 31, 42, 0.08);
  --shadow-card-hover: 0 8px 32px rgba(11, 31, 42, 0.14);
  --shadow-cyan: 0 4px 24px rgba(34, 211, 238, 0.2);

  --nav-h: 68px;
  --section-py: 96px;
  --container-max: 1180px;
  --container-px: 24px;

  --transition: 0.25s ease;
}

/* ===== CONTAINER ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-px);
}

/* ===== SECTION PADDING ===== */
.section-pad {
  padding: var(--section-py) 0;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--navy-heading);
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }

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

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
}

.btn-lg {
  padding: 15px 32px;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.btn-full {
  width: 100%;
}

/* Primary — navy */
.btn-primary {
  background: var(--navy);
  color: var(--white);
  border: 2px solid var(--navy);
}
.btn-primary:hover {
  background: var(--navy-light);
  border-color: var(--navy-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-card);
}

/* Cyan — accent CTA */
.btn-cyan {
  background: var(--cyan);
  color: var(--navy);
  border: 2px solid var(--cyan);
  font-weight: 700;
}
.btn-cyan:hover {
  background: var(--cyan-dark);
  border-color: var(--cyan-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-cyan);
}

/* Outline light — for dark backgrounds */
.btn-outline-light {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.45);
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.7);
  transform: translateY(-1px);
}

/* ===== SECTION HEADER ===== */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cyan-dark);
  margin-bottom: 12px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.0625rem;
  color: var(--gray-600);
}

/* ===== TEXT UTILITY ===== */
.text-cyan { color: var(--cyan); }

/* =====================================================
   NAVIGATION
   ===================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  height: var(--nav-h);
  transition: box-shadow var(--transition);
}

.navbar.scrolled {
  box-shadow: 0 1px 0 var(--gray-200), 0 4px 20px rgba(11, 31, 42, 0.06);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  gap: 24px;
}

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

.nav-logo img {
  height: 44px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 14px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--navy);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.nav-link:hover {
  color: var(--cyan-dark);
  background: var(--gray-100);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-cta {
  padding: 10px 22px;
}

/* Hamburger toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.nav-toggle:hover {
  background: var(--gray-100);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all 0.3s ease;
  transform-origin: center;
}

/* Hamburger → X animation */
.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* =====================================================
   HERO
   ===================================================== */
.hero {
  background: #08142C url('../assets/hero-wave-bg.svg') center bottom / 100% auto no-repeat;
  padding: calc(var(--nav-h) + 72px) 0 80px;
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(to bottom, rgba(8,20,44,0.25) 0%, rgba(8,20,44,0) 45%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.25);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero-headline {
  color: var(--white);
  margin-bottom: 20px;
  font-weight: 800;
}

.hero-sub {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.hero-location {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.4);
}

.hero-location svg {
  flex-shrink: 0;
}

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

.hero-svg {
  width: 100%;
  max-width: 560px;
  height: auto;
  filter: drop-shadow(0 20px 60px rgba(34, 211, 238, 0.12));
}

/* =====================================================
   TRUST BAR
   ===================================================== */
.trust-bar {
  background: var(--off-white);
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
  padding: 36px 0;
}

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

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 40px;
  text-align: center;
}

.trust-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
}

.trust-label {
  font-size: 0.8125rem;
  color: var(--gray-600);
  font-weight: 500;
}

.trust-divider {
  width: 1px;
  height: 40px;
  background: var(--gray-200);
}

/* =====================================================
   SERVICES
   ===================================================== */
.services {
  background: var(--white);
}

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

.service-card {
  padding: 36px 32px;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--gray-200);
  background: var(--white);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.service-card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: transparent;
  transform: translateY(-4px);
}

.service-card--featured {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.service-card--featured h3,
.service-card--featured p,
.service-card--featured .service-list li {
  color: var(--white);
}

.service-card--featured p {
  color: rgba(255, 255, 255, 0.75);
}

.service-card--featured .service-list li {
  color: rgba(255, 255, 255, 0.8);
}

.service-card--featured .service-list li::before {
  color: var(--cyan);
}

.service-card--featured:hover {
  background: var(--navy-light);
  border-color: var(--navy-light);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(34, 211, 238, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  flex-shrink: 0;
}

.service-card--featured .service-icon {
  background: rgba(34, 211, 238, 0.15);
}

.service-card h3 {
  font-size: 1.1875rem;
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--gray-600);
  line-height: 1.65;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 4px;
}

.service-list li {
  font-size: 0.875rem;
  color: var(--text-body);
  padding-left: 16px;
  position: relative;
}

.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan-dark);
}

/* =====================================================
   USE CASES
   ===================================================== */
.use-cases {
  background: var(--off-white);
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.use-case-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  border: 1.5px solid var(--gray-200);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.use-case-card:hover {
  border-color: var(--cyan);
  box-shadow: 0 4px 24px rgba(34, 211, 238, 0.1);
  transform: translateY(-3px);
}

.use-case-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-dark);
  flex-shrink: 0;
}

.use-case-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
}

.use-case-card p {
  font-size: 0.875rem;
  color: var(--gray-600);
  line-height: 1.65;
}

/* =====================================================
   ABOUT
   ===================================================== */
.about {
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-text .section-label {
  text-align: left;
}

.about-text h2 {
  margin: 0;
}

.about-lead {
  font-size: 1.1875rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.5;
  border-left: 3px solid var(--cyan);
  padding-left: 16px;
}

.about-text p {
  font-size: 0.9375rem;
}

.about-stats {
  display: flex;
  gap: 32px;
  padding-top: 8px;
  flex-wrap: wrap;
}

.about-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.about-stat-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
}

.about-stat-label {
  font-size: 0.8rem;
  color: var(--gray-600);
  font-weight: 500;
}

.about-visual {
  position: relative;
}

.about-svg {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* =====================================================
   CTA DARK SECTION
   ===================================================== */
.cta-dark {
  background: var(--navy);
  padding: 88px 0;
  position: relative;
  overflow: hidden;
}

.cta-dark::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse 50% 80% at 50% 50%, rgba(34, 211, 238, 0.07) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  color: var(--white);
  margin-bottom: 16px;
}

.cta-content p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 1.0625rem;
  margin-bottom: 36px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* =====================================================
   CONTACT
   ===================================================== */
.contact {
  background: var(--white);
  padding: 56px 0 80px;
}

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 48px;
  align-items: start;
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.contact-form > * {
  width: 100%;
}

.contact-form > .btn {
  width: auto;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy);
}

.required {
  color: var(--cyan-dark);
}

.form-group input,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--navy);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-400);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--cyan-dark);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-gdpr {
  background: var(--off-white);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  cursor: pointer;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--gray-600);
  line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  margin-top: 2px;
  border: 1.5px solid var(--gray-200);
  border-radius: 4px;
  cursor: pointer;
  accent-color: var(--navy);
  padding: 0;
}

.checkbox-label a {
  color: var(--cyan-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.checkbox-label a:hover {
  color: var(--navy);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

.form-success,
.form-error {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
}

.form-success[hidden],
.form-error[hidden] {
  display: none;
}

.form-success {
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.3);
  color: var(--navy);
}

.form-error {
  background: rgba(239, 68, 68, 0.06);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: #7f1d1d;
}

.form-error a {
  color: var(--cyan-dark);
  text-decoration: underline;
}

/* Contact info panel */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding-top: 8px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: var(--radius-md);
  background: var(--off-white);
  border: 1.5px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-dark);
}

.contact-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 3px;
}

.contact-value {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--navy);
  display: block;
  transition: color var(--transition);
}

a.contact-value:hover {
  color: var(--cyan-dark);
}

.contact-social {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.social-links {
  display: flex;
  gap: 10px;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--off-white);
  border: 1.5px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
  transition: all var(--transition);
}

.social-link:hover {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
  background: #08142C;
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-logo {
  height: 30px;
  width: auto;
}

.footer-brand p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.6;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}

.footer-social .social-link {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.6);
}

.footer-social .social-link:hover {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--navy);
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-heading {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 4px;
}

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

.footer-col ul li a,
.footer-col ul li span {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition);
  line-height: 1;
}

.footer-col ul li a:hover {
  color: var(--cyan);
}

.footer-muted {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.4) !important;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.35);
}

.footer-reg {
  margin-left: 12px;
  opacity: 0.6;
}

.footer-tagline {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--cyan);
}

/* =====================================================
   RESPONSIVE — TABLET (max 1024px)
   ===================================================== */
@media (max-width: 1024px) {
  :root {
    --section-py: 72px;
  }

  .hero-grid {
    gap: 40px;
  }

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

  .service-card--featured {
    grid-column: span 2;
  }

  .use-cases-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .about-grid {
    gap: 48px;
  }

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

  .contact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

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

/* =====================================================
   RESPONSIVE — MOBILE (max 768px)
   ===================================================== */
@media (max-width: 768px) {
  :root {
    --nav-h: 62px;
    --section-py: 60px;
    --container-px: 20px;
  }

  /* Nav mobile */
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 32px 24px;
    z-index: 999;
  }

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

  .nav-link {
    font-size: 1.25rem;
    font-weight: 600;
    padding: 14px 32px;
    width: 100%;
    text-align: center;
    border-radius: var(--radius-md);
  }

  .nav-cta {
    display: none;
  }

  /* Hero mobile */
  .hero {
    padding: calc(var(--nav-h) + 48px) 0 56px;
  }

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

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

  .hero-badge {
    margin-bottom: 18px;
  }

  .hero-sub {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-location {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .hero-svg {
    max-width: 400px;
    margin: 0 auto;
  }

  /* Trust bar */
  .trust-grid {
    flex-direction: column;
    gap: 0;
  }

  .trust-divider {
    width: 60px;
    height: 1px;
  }

  .trust-item {
    padding: 16px 24px;
  }

  /* Services mobile */
  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card--featured {
    grid-column: span 1;
  }

  /* Use cases mobile */
  .use-cases-grid {
    grid-template-columns: 1fr;
  }

  /* About mobile */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-visual {
    order: -1;
  }

  .about-stats {
    gap: 24px;
  }

  .about-lead {
    font-size: 1.0625rem;
  }

  /* CTA */
  .cta-dark {
    padding: 64px 0;
  }

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

  .contact-info {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

/* =====================================================
   RESPONSIVE — SMALL MOBILE (max 480px)
   ===================================================== */
@media (max-width: 480px) {
  :root {
    --section-py: 48px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-buttons .btn {
    text-align: center;
    width: 100%;
  }

  .btn-lg {
    padding: 14px 24px;
  }

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

  .service-card {
    padding: 28px 22px;
  }

  .use-case-card {
    padding: 24px 20px;
  }

  .trust-value {
    font-size: 1.25rem;
  }
}

/* =====================================================
   ANIMATIONS & SCROLL FADE-IN
   ===================================================== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* =====================================================
   HERO WAVE (hidden — replaced by PNG background)
   ===================================================== */
.hero-wave {
  display: none;
}

/* Make hero position:relative so wave anchors correctly */
.hero {
  position: relative;
}

.hero .container {
  position: relative;
  z-index: 2;
}

/* =====================================================
   SERVICES — subtitle & updated icon style
   ===================================================== */
.service-card .service-subtitle {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.5px;
  margin: 0;
  text-transform: uppercase;
}

.service-card > div:first-of-type {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* =====================================================
   ABOUT — feature list items
   ===================================================== */
.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-100);
}

.about-feature:last-of-type {
  border-bottom: none;
}

.about-feature-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: var(--radius-md);
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-dark);
  margin-top: 2px;
}

.about-feature h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}

.about-feature p {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin: 0;
}

/* =====================================================
   VIENNA IMAGE SLIDER
   ===================================================== */
.vienna-slider {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3.5;
  box-shadow: 0 20px 60px rgba(11, 31, 42, 0.2);
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.slide-active {
  opacity: 1;
}

.slide-img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center center;
}

.slider-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}

.dot-active {
  background: var(--cyan);
  width: 22px;
  border-radius: 4px;
}

/* =====================================================
   OUR MISSION SECTION
   ===================================================== */
.mission-section {
  background: var(--white);
  padding: 0 0 80px;
}

.mission-wave-top {
  display: none;
}

.mission-content {
  background: linear-gradient(135deg, #08142C 0%, #0D2A3F 100%);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.mission-content::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 80% at 50% 110%, rgba(34, 211, 238, 0.10) 0%, transparent 70%);
  pointer-events: none;
  border-radius: var(--radius-xl);
}

.mission-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.mission-heading {
  position: relative;
  z-index: 1;
}

.mission-heading {
  color: var(--white);
  font-size: clamp(1.25rem, 3.5vw, 2rem);
  font-weight: 700;
  line-height: 1.45;
  max-width: 780px;
  margin: 0 auto;
}

.mission-br {
  display: block;
}

/* =====================================================
   WORLD MAP
   ===================================================== */
.world-map-wrap {
  margin-top: 20px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1.5px solid var(--gray-200);
}

.world-map-img {
  width: 100%;
  height: auto;
  display: block;
}

/* =====================================================
   ABOUT SECTION — remove old stat grid, keep text flow
   ===================================================== */
.about-text {
  gap: 12px;
}

.about-text > h2 {
  margin-bottom: 8px;
}

/* =====================================================
   RESPONSIVE ADDITIONS
   ===================================================== */
@media (max-width: 1024px) {
  .mission-heading {
    font-size: 1.5rem;
  }
}

@media (max-width: 768px) {
  .vienna-slider {
    aspect-ratio: 4 / 3;
  }

  .mission-section {
    padding-bottom: 52px;
  }

  .mission-content {
    padding: 44px 28px;
  }

  .mission-heading {
    font-size: 1.25rem;
  }

  .mission-br {
    display: inline;
  }

  .world-map-wrap {
    margin-top: 24px;
  }

  .about-feature {
    gap: 12px;
    padding: 14px 0;
  }
}

@media (max-width: 480px) {
  .mission-heading {
    font-size: 1.125rem;
  }

  .about-feature-icon {
    width: 36px;
    height: 36px;
    min-width: 36px;
  }
}

/* =====================================================
   FOOTER — stacked logo sizing
   ===================================================== */
.footer-logo {
  height: 176px !important;
  width: auto;
  align-self: flex-start;
  margin-bottom: 8px;
}

/* ===== FOCUS STYLES (Accessibility) ===== */
:focus-visible {
  outline: 2px solid var(--cyan-dark);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ===== SELECTION ===== */
::selection {
  background: rgba(34, 211, 238, 0.25);
  color: var(--navy);
}

/* ===== SCROLLBAR (webkit) ===== */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--gray-100);
}
::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--navy-light);
}