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

html {
scroll-behavior: smooth;
}

body {
font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
background: radial-gradient(circle at top, #0b1120 0, #020617 45%, #000 100%);
color: var(--text);
line-height: 1.6;
-webkit-font-smoothing: antialiased;
}

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

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

/* Layout */

header {
position: sticky;
top: 0;
z-index: 20;
backdrop-filter: blur(14px);
background: linear-gradient(to bottom, rgba(15,23,42,.95), rgba(15,23,42,.8), transparent);
border-bottom: 1px solid rgba(31,41,55,.9);
}

.logo {
display: flex;
align-items: center;
gap: 0.6rem;
}

.logo-mark {
width: 160px;
height: 160px;
border-radius: 10px;
background: radial-gradient(circle at 30% 0, #38bdf8 0, #0ea5e9 38%, #0369a1 70%);
box-shadow: 0 0 0 1px rgba(15,23,42,0.7), 0 12px 30px rgba(8, 47, 73, 0.9);
display: flex;
align-items: center;
justify-content: center;
font-weight: 700;
font-size: 0.9rem;
letter-spacing: 0.06em;
color: #e0f2fe;
}

.logo-text {
display: flex;
flex-direction: column;
padding-left: 30px;
}

.logo-text span:first-child {
font-size: 0.9rem;
font-weight: 600;
letter-spacing: 0.08em;
text-transform: uppercase;
color: #e5e7eb;
}

.logo-text span:last-child {
font-size: 0.75rem;
color: var(--muted);
}

.nav-inner {
max-width: 100%;
margin: 0 auto;
padding: 0.9rem 1.25rem;
display: flex;
align-items: center;
justify-content: space-between;
gap: 1rem;
}

/* dropdown */

.lang-dropdown {
position: relative;
}

.lang-button {
display: inline-flex;
align-items: center;
gap: .4rem;
padding: .3rem .6rem;
border-radius: 999px;
border: 1px solid rgba(148,163,184,.55);
background: rgba(15,23,42,.9);
cursor: pointer;
color: #e5e7eb;
font-size: .8rem;
}

.lang-menu {
position: absolute;
right: 0;
top: 110%;
margin: 0;
padding: .25rem;
list-style: none;
border-radius: 10px;
background: #020617;
border: 1px solid rgba(51,65,85,.9);
box-shadow: 0 18px 40px rgba(15,23,42,.9);
display: none;
min-width: 190px;
z-index: 30;
}

.lang-menu li button {
width: 100%;
text-align: left;
padding: .35rem .55rem;
border-radius: 8px;
border: none;
background: transparent;
color: #e5e7eb;
font-size: .8rem;
cursor: pointer;
}

.lang-menu li button:hover {
background: rgba(51,65,85,.9);
}

.lang-dropdown.open .lang-menu {
display: block;
}

/* Lang selector */
.lang-switcher {
display: flex;
align-items: center;
gap: 0.5rem;
font-size: 0.85rem;
color: var(--muted);
}

.lang-label {
text-transform: uppercase;
letter-spacing: 0.1em;
font-weight: 500;
}

.lang-flag {
font-size: 0.9rem;
}

.lang-code {
font-weight: 500;
}

.lang-chevron {
font-size: 0.7rem;
color: var(--muted);
}

/* Main content */
main {
flex: 1;
}

.section {
padding: 3.5rem 1.25rem;
scroll-margin-top: 140px;
min-height: 300px;
}

.section-inner {
max-width: 1120px;
margin: 0 auto;
}

/* Hero / Who we are */
.hero {
padding-top: 4rem;
padding-bottom: 3.5rem;
}

.hero-grid {
display: grid;
grid-template-columns: minmax(0, 3fr) minmax(0, 2.4fr);
gap: 3rem;
align-items: center;
}

.eyebrow {
display: inline-flex;
align-items: center;
gap: 0.4rem;
padding: 0.18rem 0.6rem;
border-radius: 999px;
background: radial-gradient(circle at left, rgba(56, 189, 248, 0.16), transparent 55%);
border: 1px solid rgba(56, 189, 248, 0.3);
color: #7dd3fc;
font-size: 0.75rem;
font-weight: 500;
letter-spacing: 0.12em;
text-transform: uppercase;
margin-bottom: 0.9rem;
}

.eyebrow-dot {
width: 6px;
height: 6px;
border-radius: 999px;
background: #22d3ee;
box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.3);
}

.hero h1 {
font-size: clamp(2.1rem, 3vw, 2.7rem);
line-height: 1.15;
letter-spacing: -0.03em;
margin-bottom: 0.85rem;
}

.hero h1 span.accent {
color: var(--accent);
}

.hero-lead {
font-size: 0.98rem;
color: var(--muted);
max-width: 34rem;
margin-bottom: 1.6rem;
}

.hero-highlights {
display: flex;
flex-wrap: wrap;
gap: 1rem;
margin-bottom: 1.8rem;
}

.pill {
padding: 0.4rem 0.8rem;
border-radius: 999px;
border: 1px solid rgba(148, 163, 184, 0.45);
font-size: 0.8rem;
color: #e5e7eb;
background: rgba(15, 23, 42, 0.7);
}

.hero-actions {
display: flex;
flex-wrap: wrap;
gap: 0.9rem;
align-items: center;
}

.btn-primary {
padding: 0.65rem 1.3rem;
border-radius: 999px;
border: none;
background: linear-gradient(135deg, #38bdf8, #0ea5e9);
box-shadow: 0 14px 30px rgba(8, 47, 73, 0.8);
color: #0b1120;
font-weight: 600;
font-size: 0.9rem;
cursor: pointer;
display: inline-flex;
align-items: center;
gap: 0.5rem;
}

.btn-primary span.icon {
font-size: 1rem;
}

.hero-note {
font-size: 0.8rem;
color: var(--muted);
}

.hero-panel {
border-radius: 18px;
border: 1px solid rgba(148, 163, 184, 0.35);
background: radial-gradient(circle at top left, #0b1120, #020617);
box-shadow: var(--shadow-soft);
padding: 1.4rem 1.4rem 1.3rem;
display: flex;
flex-direction: column;
gap: 1.1rem;
}

.hero-panel-header {
display: flex;
justify-content: space-between;
align-items: center;
}

.hero-panel-title {
font-size: 0.85rem;
text-transform: uppercase;
letter-spacing: 0.16em;
color: var(--muted);
}

.status-pill {
padding: 0.18rem 0.7rem;
border-radius: 999px;
background: var(--accent-soft);
color: #7dd3fc;
border: 1px solid rgba(56, 189, 248, 0.4);
font-size: 0.75rem;
}

.tech-tags {
display: flex;
flex-wrap: wrap;
gap: 0.45rem;
margin-bottom: 0.2rem;
}

.tech-tag {
padding: 0.25rem 0.6rem;
border-radius: 999px;
background: rgba(15, 23, 42, 0.9);
border: 1px solid rgba(31, 41, 55, 0.9);
font-size: 0.78rem;
color: #e5e7eb;
}

.panel-note {
font-size: 0.78rem;
color: var(--muted);
}

/* What we do */
.section-header {
margin-bottom: 2rem;
}

.section-kicker {
font-size: 0.78rem;
text-transform: uppercase;
letter-spacing: 0.15em;
color: var(--muted);
margin-bottom: 0.4rem;
}

.section-title {
font-size: 1.35rem;
letter-spacing: -0.02em;
margin-bottom: 0.4rem;
}

.section-subtitle {
font-size: 0.92rem;
color: var(--muted);
}

.tech-grid {
display: grid;
grid-template-columns: repeat(4, minmax(0, 1fr));
gap: 1rem;
}

.tech-card {
border-radius: var(--radius);
background: rgba(15, 23, 42, 0.9);
border: 1px solid var(--border);
padding: 0.9rem 0.9rem 0.8rem;
display: flex;
flex-direction: column;
gap: 0.45rem;
}

.tech-icon {
width: 32px;
height: 32px;
border-radius: 10px;
background: radial-gradient(circle at 30% 0, rgba(56, 189, 248, 0.35), transparent 55%);
display: flex;
align-items: center;
justify-content: center;
font-size: 1.2rem;
}

.tech-name {
font-size: 0.9rem;
font-weight: 500;
}

.tech-desc {
font-size: 0.8rem;
color: var(--muted);
}

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

.why-card {
border-radius: var(--radius);
background: rgba(15, 23, 42, 0.95);
border: 1px solid var(--border);
padding: 1rem;
}

.why-title {
font-size: 0.95rem;
font-weight: 500;
margin-bottom: 0.3rem;
}

.why-text {
font-size: 0.82rem;
color: var(--muted);
}

/* Contact */
.contact-section {
padding-bottom: 3rem;
}

.contact-box {
border-radius: 18px;
background: rgba(15, 23, 42, 0.95);
border: 1px solid var(--border);
box-shadow: var(--shadow-soft);
padding: 1.5rem 1.4rem;
display: flex;
flex-wrap: wrap;
justify-content: space-between;
gap: 1.4rem;
}

.contact-text {
max-width: 32rem;
}

.contact-text h3 {
font-size: 1.05rem;
margin-bottom: 0.4rem;
}

.contact-text p {
font-size: 0.9rem;
color: var(--muted);
}

.contact-details {
display: flex;
flex-direction: column;
gap: 0.4rem;
font-size: 0.9rem;
}

.contact-row-label {
font-size: 0.78rem;
text-transform: uppercase;
letter-spacing: 0.16em;
color: var(--muted);
}

.contact-link {
color: var(--accent);
}

/* Footer */
footer {
border-top: 1px solid rgba(31, 41, 55, 0.9);
padding: 1rem 1.25rem 1.4rem;
background: #020617;
}

.footer-inner {
max-width: 1120px;
margin: 0 auto;
font-size: 0.8rem;
color: var(--muted);
display: flex;
justify-content: space-between;
gap: 1rem;
flex-wrap: wrap;
}

/* Page layout */
.page {
min-height: 100vh;
background: radial-gradient(circle at top, #0b1120 0, #020617 45%, #000 100%);
color: var(--text);
}

/* Wrapper for side nav + main */
.layout {
max-width: 80%;
margin: 0 auto;
display: block;
position: relative;
}

/* Fixed side nav on the left */
.side-nav {
position: fixed;
top: 160px;
left: 0;
width: 180px;
padding: 1.5rem 1rem 2rem 1.25rem;
display: flex;
flex-direction: column;
gap: 0.5rem;
border-right: 1px solid rgba(31, 41, 55, 0.7);
background: rgba(15, 23, 42, 0.96);
z-index: 15;
}

.side-nav a {
font-size: 0.85rem;
color: #9ca3af;
padding: 0.35rem 0.2rem;
border-radius: 999px;
transition: color 0.15s ease, background 0.15s ease, padding-left 0.15s ease;
}

.side-nav a:hover {
color: #e5e7eb;
background: rgba(15, 23, 42, 0.9);
padding-left: 0.5rem;
}

/* Push main content to the right so it doesn't overlap the fixed nav */
.layout > main {
padding-left: 200px;
}

/* =====================
   RESPONSIVE BREAKPOINTS
   ===================== */

/* Tablet: 641px – 900px */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
  }
  .hero {
    padding-top: 3.4rem;
  }
  .tech-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .why-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .side-nav {
    display: none;
  }
  .layout > main {
    padding-left: 0;
  }
  .layout {
    max-width: 95%;
  }
}

/* Mobile: up to 640px */
@media (max-width: 640px) {
  /* Header: shrink logo on mobile */
  .logo-mark {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    flex-shrink: 0;
  }
  .logo-text {
    padding-left: 0.5rem;
  }
  .logo-text h1 {
    font-size: 0.95rem;
  }
  .logo-text span {
    font-size: 0.7rem !important;
  }
  .nav-inner {
    padding: 0.6rem 1rem;
    gap: 0.5rem;
  }

  /* Layout */
  .layout {
    max-width: 100%;
  }
  .section {
    padding: 2rem 1rem;
    scroll-margin-top: 80px;
    min-height: unset;
  }

  /* Hero headings */
  .section h1 {
    font-size: clamp(1.5rem, 6vw, 2rem);
    line-height: 1.2;
  }
  .section-title {
    font-size: 1.1rem;
  }
  .section-subtitle {
    font-size: 0.88rem;
  }
  .hero h1 {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }

  /* Grids: single column on mobile */
  .tech-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .why-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .services-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  /* Contact box: stack vertically */
  .contact-box {
    flex-direction: column;
    padding: 1.2rem 1rem;
  }
  .contact-text {
    max-width: 100%;
  }

  /* Footer: stack vertically */
  .footer-inner {
    flex-direction: column;
    gap: 0.4rem;
    text-align: center;
  }
}

.lang-flag-img {
  width: 18px;
  height: 18px;
  border-radius: 3px;
  object-fit: cover;
}