:root {
  --bg: #f3f7fb;
  --bg-alt: #e3effa;
  --panel: #ffffff;
  --primary: #2563eb;       /* blue */
  --primary-soft: #dbeafe;
  --primary-strong: #1d4ed8;
  --accent: #0f766e;        /* teal accent */
  --text-main: #0f172a;
  --text-muted: #6b7280;
  --border-soft: #d0e0f4;
  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.12);
  --radius-lg: 18px;
  --radius-xl: 24px;
  --transition-fast: 0.18s ease-out;
  --max-width: 1120px;
}

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

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: var(--bg);
  color: var(--text-main);
  scroll-behavior: smooth;
}

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

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* TOP NAV */

.top-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: #f9fbff;
  border-bottom: 1px solid #dbe3f2;
  backdrop-filter: blur(14px);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}

.logo-block {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: radial-gradient(circle at top left, #60a5fa, #2563eb);
  color: #f9fafb;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
}

.logo-text-group {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-weight: 650;
  letter-spacing: 0.06em;
  font-size: 0.95rem;
  text-transform: uppercase;
}

.logo-tagline {
  font-size: 0.75rem;
  color: #6b7280;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  font-size: 0.9rem;
}

.nav-links a {
  color: #4b5563;
  transition: color var(--transition-fast);
}

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

.nav-cta {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(37, 99, 235, 0.5);
  color: var(--primary-strong);
  background-color: #eef3ff;
}

/* HERO */

.hero {
  padding: 3rem 0 2.5rem;
  background:
    radial-gradient(circle at top left, #dbeafe, transparent 60%),
    radial-gradient(circle at bottom right, #bfdbfe, transparent 60%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(2.1rem, 3vw, 2.7rem);
  line-height: 1.15;
  margin: 0 0 1rem;
}

.hero-text p {
  margin: 0 0 1.4rem;
  color: var(--text-muted);
  max-width: 36rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.2rem;
  border-radius: 999px;
  font-size: 0.9rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    color var(--transition-fast);
}

.btn-full {
  width: 100%;
}

.primary-btn {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #f9fafb;
  box-shadow: 0 18px 40px rgba(37, 99, 235, 0.35);
}

.primary-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 50px rgba(37, 99, 235, 0.45);
}

.secondary-btn {
  background-color: #eef2ff;
  border-color: #c7d2fe;
  color: #1e293b;
}

.secondary-btn:hover {
  background-color: #e0e7ff;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.hero-badges span {
  font-size: 0.75rem;
  color: #1d4ed8;
  background-color: #e0edff;
  border-radius: 999px;
  padding: 0.3rem 0.8rem;
  border: 1px solid #c7d2fe;
}

/* HERO VISUAL */

.hero-visual {
  display: flex;
  justify-content: flex-end;
}

.hero-image-card {
  position: relative;
  max-width: 380px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  background-color: var(--panel);
}

.hero-image-card img {
  width: 100%;
  height: auto;
}

.hero-overlay-card {
  position: absolute;
  left: 50%;
  bottom: 6%;
  transform: translateX(-50%);
  width: calc(100% - 40px);
  background: #ffffff;
  border-radius: 16px;
  padding: 0.9rem 1rem;
  box-shadow: 0 16px 35px rgba(15, 23, 42, 0.18);
  border: 1px solid #e5e7eb;
}

.hero-overlay-card h2 {
  margin: 0 0 0.5rem;
  font-size: 0.9rem;
  color: #111827;
}

.metric-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.8rem;
  margin-bottom: 0.2rem;
}

.metric-row span {
  color: #6b7280;
}

.metric-row strong {
  color: #111827;
}

.metric-row .bad {
  color: #dc2626;
}

.hero-overlay-note {
  margin: 0.6rem 0 0;
  font-size: 0.75rem;
  color: #6b7280;
}

/* SECTIONS */

.section {
  padding: 3rem 0;
}

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

.section-title {
  font-size: 1.6rem;
  margin: 0 0 0.5rem;
}

.section-subtitle {
  margin: 0 0 1.8rem;
  color: var(--text-muted);
  max-width: 38rem;
}

/* CARDS (SERVICES) */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.card {
  background-color: var(--panel);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.5rem 1.3rem;
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-soft);
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    border-color var(--transition-fast);
}

.card:hover {
  transform: translateY(-2px);
  border-color: #93c5fd;
  box-shadow: 0 22px 52px rgba(15, 23, 42, 0.16);
}

.card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.card p {
  margin: 0 0 0.8rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.card ul {
  margin: 0;
  padding-left: 1.1rem;
  list-style: disc;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* USE CASES */

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.25rem;
}

.usecase-card {
  background-color: #f9fbff;
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.2rem;
  border: 1px solid #d0e0f4;
  font-size: 0.9rem;
}

.usecase-card h3 {
  margin: 0 0 0.4rem;
  font-size: 0.98rem;
}

/* PROCESS */

.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.4rem;
}

.process-step {
  background-color: var(--panel);
  border-radius: var(--radius-lg);
  padding: 1.2rem 1.3rem;
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-soft);
  font-size: 0.9rem;
}

.step-number {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background-color: var(--primary-soft);
  color: var(--primary-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  margin-bottom: 0.45rem;
}

/* TESTIMONIALS */

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.4rem;
  margin-bottom: 2rem;
}

.testimonial-card {
  background-color: var(--panel);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  padding: 1.3rem 1.4rem;
  box-shadow: var(--shadow-soft);
}

.testimonial-quote {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0 0 0.8rem;
}

.testimonial-name {
  margin: 0;
  font-weight: 600;
}

.testimonial-role {
  margin: 0.1rem 0 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.testimonial-image-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.image-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  background-color: var(--panel);
}

/* ABOUT */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.3fr);
  gap: 2rem;
  align-items: flex-start;
}

.about-highlight {
  background-color: var(--panel);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  padding: 1.3rem 1.4rem;
  font-size: 0.87rem;
  box-shadow: var(--shadow-soft);
}

.about-item + .about-item {
  margin-top: 0.8rem;
}

.about-label {
  display: block;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  color: var(--text-muted);
}

.about-value {
  font-size: 0.9rem;
}

/* CONTACT */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.1fr);
  gap: 2rem;
  align-items: flex-start;
}

.contact-points {
  list-style: disc;
  padding-left: 1.2rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.contact-form {
  background-color: var(--panel);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  padding: 1.4rem 1.5rem 1.3rem;
  box-shadow: var(--shadow-soft);
}

.form-group {
  margin-bottom: 0.9rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  margin-bottom: 0.25rem;
  color: var(--text-muted);
}

.form-group label span {
  color: #dc2626;
  margin-left: 2px;
}

input,
textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid #cbd5f5;
  background-color: #f9fbff;
  color: var(--text-main);
  padding: 0.6rem 0.7rem;
  font-size: 0.88rem;
  outline: none;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

input:focus,
textarea:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.4);
  background-color: #ffffff;
}

textarea {
  resize: vertical;
}

/* FOOTER */

.site-footer {
  border-top: 1px solid #d0e0f4;
  background-color: #f9fbff;
  padding: 1.1rem 0;
  font-size: 0.8rem;
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.footer-links a {
  color: var(--text-muted);
}

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

/* RESPONSIVE */

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    justify-content: flex-start;
  }

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

@media (max-width: 720px) {
  .nav-links {
    display: none; /* simple mobile approach for now */
  }

  .hero {
    padding-top: 2.3rem;
  }
}