:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f5f7fb;
  --color-primary: #0b63ff; /* albastru principal – ușor de schimbat dacă ai codul brandului */
  --color-primary-soft: rgba(11, 99, 255, 0.08);
  --color-text: #111827;
  --color-text-muted: #6b7280;
  --color-border: #e5e7eb;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.08);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-pill: 999px;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #e0edff 0, transparent 50%), var(--color-bg);
  color: var(--color-text);
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

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

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

.container {
  width: min(1120px, 100% - 2.5rem);
  margin-inline: auto;
}

.section {
  padding-block: 5rem;
}

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

.section-header {
  max-width: 640px;
  margin: 0 auto 3rem;
  text-align: center;
}

.section-subtitle {
  margin-top: 0.75rem;
  color: var(--color-text-muted);
}

.eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: -0.04em;
}

h1 {
  font-size: clamp(2.3rem, 5vw, 3rem);
  line-height: 1.1;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.2rem);
}

h3 {
  font-size: 1.25rem;
}

p {
  margin: 0;
}

/* HEADER & NAV */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.82));
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.85rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  width: 40px;
  border-radius: 14px;
  background: #0f172a;
  overflow: hidden;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.35);
}

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

.logo-text {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
}

.main-nav a {
  padding: 0.4rem 0.6rem;
  border-radius: 999px;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.main-nav a:hover {
  background: rgba(15, 23, 42, 0.03);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: #ffffff;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: #111827;
  border-radius: 999px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle.is-open span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle.is-open span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.65rem 1.3rem;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb, #0b63ff);
  color: #ffffff;
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
  box-shadow: 0 22px 40px rgba(37, 99, 235, 0.25);
  transform: translateY(-1px);
}

.btn-ghost {
  background: rgba(15, 23, 42, 0.02);
  color: var(--color-text);
  border-color: rgba(148, 163, 184, 0.6);
}

.btn-ghost:hover {
  background: rgba(15, 23, 42, 0.04);
}

.btn-small {
  padding-inline: 0.9rem;
  padding-block: 0.45rem;
}

.btn-full {
  width: 100%;
}

/* HERO */
.hero {
  padding-top: 4.5rem;
  padding-bottom: 4.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.6fr);
  gap: 3.5rem;
  align-items: center;
}

.hero-subtitle {
  margin-top: 1rem;
  color: var(--color-text-muted);
  max-width: 32rem;
}

.hero-actions {
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.hero-meta {
  margin-top: 2.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.85rem;
}

.hero-meta .meta-label {
  display: block;
  font-weight: 600;
}

.hero-meta .meta-text {
  color: var(--color-text-muted);
}

.hero-media {
  display: grid;
  gap: 1.2rem;
}

.hero-card {
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.6rem;
  box-shadow: var(--shadow-soft);
  background: #ffffff;
}

.hero-card.primary {
  background:
    radial-gradient(circle at top right, rgba(37, 99, 235, 0.14), transparent 55%),
    #ffffff;
}

.hero-card.secondary {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.hero-card h2 {
  font-size: 1.4rem;
  margin-top: 0.4rem;
  margin-bottom: 0.6rem;
}

.hero-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.25rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.04);
  font-size: 0.75rem;
  font-weight: 500;
  color: #0f172a;
}

/* GRID */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.8rem;
}

.card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.7rem;
  border: 1px solid rgba(226, 232, 240, 0.9);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.04);
  position: relative;
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(37, 99, 235, 0.12), transparent 55%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 40px rgba(15, 23, 42, 0.08);
  border-color: rgba(191, 219, 254, 0.9);
}

.card:hover::after {
  opacity: 1;
}

.card h3 {
  margin-bottom: 0.5rem;
}

.card > p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.card-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.3rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.card-list li::before {
  content: "•";
  color: var(--color-primary);
  margin-right: 0.4rem;
}

.highlight-banner {
  margin-top: 2.5rem;
  padding: 1.6rem 1.8rem;
  border-radius: var(--radius-lg);
  background: var(--color-primary-soft);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.highlight-banner p {
  margin-top: 0.3rem;
  color: var(--color-text-muted);
}

/* PROCESS */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
}

.process-step {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.5rem;
  border: 1px solid rgba(226, 232, 240, 0.9);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.04);
  position: relative;
  overflow: hidden;
}

.process-step p {
  margin-top: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

/* ABOUT */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.3fr);
  gap: 2.5rem;
  align-items: center;
}

.about-grid p + p {
  margin-top: 0.9rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.stat-card {
  background: #ffffff;
  padding: 1rem 1.1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(226, 232, 240, 0.9);
}

.stat-number {
  display: block;
  font-size: 1.3rem;
  font-weight: 600;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* PROJECTS */
.project-tag {
  display: inline-flex;
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: rgba(15, 23, 42, 0.03);
  margin-block: 0.5rem 0.6rem;
  color: #0f172a;
}

/* CONTACT */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.8fr) minmax(0, 3.2fr);
  gap: 2.5rem;
  align-items: flex-start;
}

.contact-anchor {
  display: block;
  position: relative;
  top: -90px; /* compensează header-ul sticky */
  height: 0;
  visibility: hidden;
}

.contact-details {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.4rem;
  font-size: 0.95rem;
}

.contact-details a {
  color: var(--color-primary);
  font-weight: 500;
}

.contact-form {
  background: #ffffff;
  padding: 1.7rem 1.8rem;
  border-radius: var(--radius-lg);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(226, 232, 240, 0.9);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.form-field {
  margin-bottom: 1rem;
}

.form-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 0.3rem;
  color: #4b5563;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border-radius: 0.9rem;
  border: 1px solid var(--color-border);
  padding: 0.65rem 0.9rem;
  font: inherit;
  resize: vertical;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(11, 99, 255, 0.2);
}

.form-note {
  margin-top: 0.6rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.form-alert {
  display: none;
  margin-top: 0.8rem;
  padding: 0.6rem 0.8rem;
  border-radius: 0.75rem;
  font-size: 0.85rem;
}

.form-alert a {
  color: inherit;
  text-decoration: underline;
}

.form-alert-success {
  background: rgba(22, 163, 74, 0.08);
  color: #166534;
  border: 1px solid rgba(22, 163, 74, 0.25);
}

.form-alert-error {
  background: rgba(239, 68, 68, 0.06);
  color: #b91c1c;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.form-alert.show {
  display: block;
}

/* FOOTER */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: 1.5rem 2rem;
  background: #ffffff;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* MOBILE CTA */
.mobile-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.4rem 0.9rem 0.6rem;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.7));
  display: none;
  gap: 0.6rem;
  z-index: 40;
}

.mobile-cta-btn {
  flex: 1;
  text-align: center;
  border-radius: var(--radius-pill);
  padding: 0.65rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: #e5e7eb;
  border: 1px solid rgba(148, 163, 184, 0.7);
}

.mobile-cta-btn.primary {
  background: linear-gradient(135deg, #2563eb, #0b63ff);
  border-color: transparent;
  color: #ffffff;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-media {
    order: -1;
  }

  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }

  .about-grid,
  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: inline-flex;
  }

  .main-nav {
    position: fixed;
    inset-inline: 1.25rem;
    top: 64px;
    background: #ffffff;
    border-radius: 1rem;
    flex-direction: column;
    padding: 0.75rem;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.18);
    transform: translateY(-20px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .main-nav.nav-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .section {
    padding-block: 3.5rem;
  }

  .hero {
    padding-top: 3.2rem;
  }

  .form-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .mobile-cta {
    display: flex;
  }
}

@media (max-width: 480px) {
  .container {
    width: min(100% - 1.75rem, 460px);
  }

  .highlight-banner {
    padding: 1.2rem 1.3rem;
  }

  .card {
    padding: 1.4rem 1.5rem;
  }

  .process-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}