/* =============================================
   DESIGN TOKENS
   ============================================= */
:root {
  --color-navy:      #0F172A;
  --color-teal:      #0EA5E9;
  --color-teal-dark: #0284C7;
  --color-teal-dim:  rgba(14, 165, 233, 0.12);
  --color-bg:        #F8FAFC;
  --color-text:      #334155;
  --color-muted:     #64748B;
  --color-border:    #E2E8F0;
  --color-card:      #FFFFFF;
  --color-error:     #EF4444;
  --color-success:   #10B981;

  --radius-sm:  0.375rem;
  --radius-md:  0.75rem;
  --radius-lg:  1.25rem;
  --radius-pill: 9999px;

  --shadow-card: 0 4px 24px rgba(15, 23, 42, 0.07);
  --shadow-sm:   0 1px 4px rgba(15, 23, 42, 0.06);

  --transition: 0.22s ease;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  --container-max: 1160px;
  --section-py:    5rem;
  --header-h:      68px;
}

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--color-teal); outline-offset: 3px; border-radius: var(--radius-sm); }

ul { list-style: none; }

address { font-style: normal; }

h1, h2, h3, h4 {
  color: var(--color-navy);
  line-height: 1.25;
  font-weight: 700;
}

/* =============================================
   LAYOUT UTILITIES
   ============================================= */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section {
  padding-block: var(--section-py);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  margin-bottom: 0.75rem;
}

.section-sub {
  color: var(--color-muted);
  font-size: 1.05rem;
  max-width: 560px;
  margin-inline: auto;
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.4rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}

.btn:focus-visible { outline: 2px solid var(--color-teal); outline-offset: 3px; }

.btn-primary {
  background: var(--color-teal);
  color: #fff;
  border-color: var(--color-teal);
}
.btn-primary:hover {
  background: var(--color-teal-dark);
  border-color: var(--color-teal-dark);
  box-shadow: 0 4px 16px rgba(14, 165, 233, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-teal);
  border-color: var(--color-teal);
}
.btn-outline:hover {
  background: var(--color-teal);
  color: #fff;
}

.btn-lg { padding: 0.875rem 2rem; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* =============================================
   HEADER
   ============================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--header-h);
  background: rgba(248, 250, 252, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.brand { display: flex; align-items: center; }
.brand:hover { opacity: 0.85; }

.status-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-muted);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  margin-left: auto;
}

.pulse-dot {
  position: relative;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-teal);
  flex-shrink: 0;
}

.pulse-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid var(--color-teal);
  opacity: 0;
  animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
  0%   { transform: scale(0.7); opacity: 0.8; }
  100% { transform: scale(1.8); opacity: 0; }
}

/* =============================================
   LANGUAGE SWITCHER
   ============================================= */
.lang-switcher {
  display: flex;
  gap: 0.2rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 0.2rem;
}

.lang-btn {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.65rem;
  border: none;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  line-height: 1;
}

.lang-btn.active {
  background: var(--color-teal);
  color: #fff;
}

.lang-btn:hover:not(.active) { color: var(--color-text); }
.lang-btn:focus-visible { outline: 2px solid var(--color-teal); outline-offset: 2px; }

/* =============================================
   HERO
   ============================================= */
.hero {
  padding-block: clamp(4rem, 10vw, 8rem);
  background:
    radial-gradient(ellipse at 15% 55%, rgba(14, 165, 233, 0.09) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 20%, rgba(15, 23, 42, 0.05) 0%, transparent 55%),
    var(--color-bg);
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3rem;
}

.hero-content { max-width: 760px; }

.eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-teal);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.sub-headline {
  font-size: 1.125rem;
  color: var(--color-muted);
  max-width: 620px;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
}

.trust-icon {
  display: flex;
  align-items: center;
  color: var(--color-teal);
}

.trust-icon svg { width: 15px; height: 15px; stroke-width: 2.5; }

/* =============================================
   VALUE PROPOSITION
   ============================================= */
.value-prop { background: var(--color-card); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }

.vp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}

.vp-card {
  padding: 2rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}

.vp-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 36px rgba(15, 23, 42, 0.1);
}

.vp-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-teal-dim);
  color: var(--color-teal);
  margin-bottom: 1.25rem;
}

.vp-icon svg { width: 22px; height: 22px; stroke-width: 2; }

.vp-card h3 { font-size: 1.125rem; margin-bottom: 0.625rem; }

.vp-card p { color: var(--color-muted); font-size: 0.9375rem; line-height: 1.65; }

/* =============================================
   PRODUCTS / TABS
   ============================================= */
.products { background: var(--color-bg); }

.tab-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid var(--color-border);
  background: var(--color-card);
  color: var(--color-muted);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.tab-btn svg { width: 14px; height: 14px; stroke-width: 2.5; }

.tab-btn:hover:not(.active) {
  border-color: var(--color-teal);
  color: var(--color-teal);
}

.tab-btn.active {
  background: var(--color-teal);
  border-color: var(--color-teal);
  color: #fff;
}

.tab-btn:focus-visible { outline: 2px solid var(--color-teal); outline-offset: 3px; }

.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn 0.28s ease; }

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

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 1.25rem;
}

.product-card {
  padding: 1.5rem;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.product-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.product-icon {
  color: var(--color-teal);
  margin-bottom: 0.875rem;
}

.product-icon svg { width: 20px; height: 20px; stroke-width: 2; }

.product-card h4 {
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
  color: var(--color-navy);
}

.industry-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-teal-dark);
  background: var(--color-teal-dim);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
}

/* =============================================
   CONTACT
   ============================================= */
.contact { background: var(--color-card); border-top: 1px solid var(--color-border); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

/* --- Form --- */
.contact-form-wrap {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
}

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

.required { color: var(--color-teal); }
.optional { font-size: 0.78rem; font-weight: 400; color: var(--color-muted); }

.field-hint {
  font-size: 0.78rem;
  color: var(--color-muted);
}

input, textarea {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-card);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.9rem;
  width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
}

input::placeholder, textarea::placeholder { color: #94A3B8; }

input:focus, textarea:focus {
  outline: none;
  border-color: var(--color-teal);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.18);
}

input:user-invalid, textarea:user-invalid,
input.touched:invalid, textarea.touched:invalid {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

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

.form-success {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding: 1rem 1.2rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-md);
  color: #065F46;
  font-size: 0.9375rem;
  font-weight: 500;
}

.form-success svg { width: 20px; height: 20px; color: var(--color-success); flex-shrink: 0; margin-top: 1px; }

.form-error {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding: 1rem 1.2rem;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-md);
  color: #7F1D1D;
  font-size: 0.9375rem;
}

.form-error a { color: var(--color-error); font-weight: 600; }
.form-error svg { width: 20px; height: 20px; color: var(--color-error); flex-shrink: 0; margin-top: 1px; }

/* --- Contact Info --- */
.contact-info { padding-top: 0.5rem; }

.info-block { margin-bottom: 2rem; }

.info-block h3 {
  font-size: 1.375rem;
  margin-bottom: 0.25rem;
}

.company-tagline { font-size: 0.9rem; color: var(--color-muted); }

.info-list { display: flex; flex-direction: column; gap: 1.25rem; }

.info-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  font-size: 0.9375rem;
}

.info-icon {
  display: flex;
  align-items: center;
  color: var(--color-teal);
  flex-shrink: 0;
  margin-top: 2px;
}

.info-icon svg { width: 18px; height: 18px; stroke-width: 2; }

.info-list a { color: var(--color-text); font-weight: 500; transition: color var(--transition); }
.info-list a:hover { color: var(--color-teal); }

.email-row { align-items: center; }

.email-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-teal);
  background: var(--color-teal-dim);
  border: 1px solid rgba(14, 165, 233, 0.2);
  border-radius: var(--radius-pill);
  padding: 0.2rem 0.6rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.copy-btn:hover { background: var(--color-teal); color: #fff; }
.copy-btn:focus-visible { outline: 2px solid var(--color-teal); outline-offset: 3px; }
.copy-btn svg { width: 12px; height: 12px; stroke-width: 2.5; }

.info-note {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2rem;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.info-note svg { width: 15px; height: 15px; stroke-width: 2; flex-shrink: 0; }

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: var(--color-navy);
  color: #94A3B8;
  padding-block: 3rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.footer-brand img { filter: brightness(0) invert(1); opacity: 0.85; }

.footer-details { font-size: 0.9rem; line-height: 1.8; }

.footer-details strong { color: #CBD5E1; }

.footer-details a { color: #94A3B8; transition: color var(--transition); }
.footer-details a:hover { color: var(--color-teal); }

.footer-copy { font-size: 0.8rem; color: #475569; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  :root { --section-py: 3.5rem; }

  .header-inner { gap: 0.75rem; }

  .status-badge { display: none; }

  .hero-inner { gap: 2rem; }

  .trust-badges { flex-direction: column; gap: 0.625rem; }

  .tab-nav { gap: 0.375rem; }
  .tab-btn { font-size: 0.8375rem; padding: 0.45rem 0.85rem; }

  .contact-form-wrap { padding: 1.5rem; }
}

@media (max-width: 480px) {
  :root { --section-py: 2.5rem; }

  .hero-content h1 { font-size: 1.875rem; }

  .sub-headline { font-size: 1rem; }

  .btn-lg { padding: 0.75rem 1.5rem; font-size: 0.9375rem; }

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

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

@media (max-width: 380px) {
  .product-grid { grid-template-columns: 1fr; }
}