/* ========================================================
   NAVO — Stylesheet
   Fonts: Space Grotesk (display), Inter (body), JetBrains Mono (labels)
   ======================================================== */

:root {
  --navy:        #0b0f19;
  --surface:     #10162a;
  --surface-2:   #161d36;
  --line:        #232b45;
  --primary:     #2f6fed;
  --accent:      #38bdf8;
  --slate:       #7b869c;
  --white:       #f5f7fb;

  --grad: linear-gradient(135deg, var(--primary), var(--accent));

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --hex-cut: 22px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.section-head {
  max-width: 620px;
  margin-bottom: 56px;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-top: 10px;
}

.section-head p {
  color: var(--slate);
  margin-top: 14px;
  font-size: 1.02rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-primary {
  background: var(--grad);
  color: #05070d;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -8px rgba(47, 111, 237, 0.6);
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--white);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ============ NAV ============ */
.lang-switcher {
  background: var(--surface);
  color: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  font: inherit;
  min-width: 112px;
}

.lang-switcher:focus {
  outline: none;
  border-color: var(--accent);
}

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  max-width: 1180px;
  margin: 0 auto;
  position: relative;
}

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

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 8px;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  gap: 36px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--slate);
}

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

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

.nav-cta-btn {
  padding: 10px 14px;
  font-size: 0.85rem;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
}

.mobile-nav-links {
  display: none;
}

/* ============ HERO ============ */
.hero {
  position: relative;
  padding: 130px 0 110px;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 18%, rgba(56, 189, 248, 0.16), transparent 45%),
    radial-gradient(circle at 15% 85%, rgba(47, 111, 237, 0.14), transparent 40%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.25;
  mask-image: radial-gradient(circle at 70% 20%, black, transparent 60%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.8fr;
  align-items: center;
  gap: 40px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.08;
  margin: 16px 0 20px;
}

.hero h1 span {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  color: var(--slate);
  font-size: 1.05rem;
  max-width: 480px;
  margin-bottom: 34px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-visual {
  position: relative;
  justify-self: center;
  width: 100%;
  max-width: 340px;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-hex {
  position: absolute;
  inset: 0;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  background: var(--surface);
  border: 1px solid var(--line);
}

.hero-hex::after {
  content: "";
  position: absolute;
  inset: 10px;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  background: radial-gradient(circle at 40% 30%, rgba(56, 189, 248, 0.35), transparent 60%);
}

.hero-visual img {
  position: relative;
  width: 62%;
  filter: drop-shadow(0 0 40px rgba(47, 111, 237, 0.45));
}

.stat-row {
  display: flex;
  gap: 40px;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.stat-row div strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
}

.stat-row div span {
  color: var(--slate);
  font-size: 0.85rem;
}

/* ============ SERVICES ============ */
.services { padding: 110px 0; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.hex-card {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 36px 30px 32px;
  clip-path: polygon(
    0 0, calc(100% - var(--hex-cut)) 0, 100% var(--hex-cut),
    100% 100%, var(--hex-cut) 100%, 0 calc(100% - var(--hex-cut))
  );
  transition: transform 0.2s ease, border-color 0.2s ease;
  position: relative;
}

.hex-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
}

.hex-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  background: var(--grad);
  margin-bottom: 22px;
}

.hex-icon svg { width: 24px; height: 24px; stroke: #05070d; }

.hex-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.hex-card p {
  color: var(--slate);
  font-size: 0.96rem;
}

.hex-card .tag {
  display: inline-block;
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
}

/* ============ FEATURED PROJECT ============ */
.featured-project {
  padding: 0 0 110px;
}

.featured-card {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(16, 22, 42, 0.95), rgba(22, 29, 54, 0.92));
  box-shadow: 0 20px 45px -24px rgba(0, 0, 0, 0.45);
}

.featured-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.concept-note {
  margin-top: 12px;
  color: var(--accent);
  font-size: 0.95rem;
}

.feature-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.feature-list {
  display: grid;
  gap: 10px;
  margin-bottom: 24px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--slate);
}

.feature-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.featured-side {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(11, 15, 25, 0.55);
}

.featured-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(56, 189, 248, 0.3);
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.featured-side p {
  color: var(--slate);
}

.featured-preview {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.featured-link {
  width: fit-content;
}

.featured-note {
  margin-top: 12px;
  color: var(--slate);
  font-size: 0.92rem;
  max-width: 440px;
}

/* ============ ABOUT ============ */
.about {
  padding: 100px 0;
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
}

.about-mark {
  width: 100%;
  aspect-ratio: 1;
  max-width: 320px;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  background: var(--navy);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-mark img { width: 46%; }

.about-copy h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 12px 0 20px;
}

.about-copy p {
  color: var(--slate);
  margin-bottom: 16px;
  max-width: 520px;
}

.about-list {
  margin-top: 26px;
  display: grid;
  gap: 14px;
}

.about-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--white);
}

.about-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent);
  flex-shrink: 0;
  transform: translateY(-2px);
}

/* ============ CONTACT ============ */
.contact { padding: 110px 0 90px; }

.contact-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
}

.contact-info p {
  color: var(--slate);
  margin: 14px 0 32px;
  max-width: 400px;
}

.social-row {
  display: flex;
  gap: 16px;
}

.social-hex {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--line);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.social-hex svg { width: 20px; height: 20px; fill: var(--white); }

.social-hex:hover {
  background: var(--grad);
  border-color: transparent;
}

.social-hex:hover svg { fill: #05070d; }

.contact-form {
  display: grid;
  gap: 18px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.field { display: flex; flex-direction: column; gap: 8px; }

.field label {
  font-size: 0.8rem;
  color: var(--slate);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

.field input,
.field textarea {
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--white);
  padding: 13px 14px;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.contact-form .btn { justify-self: start; margin-top: 4px; }

/* ============ FOOTER ============ */
footer {
  border-top: 1px solid var(--line);
  padding: 36px 0;
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1rem;
}

.footer-brand img { width: 26px; height: 26px; border-radius: 6px; }

footer p { color: var(--slate); font-size: 0.85rem; }

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .hero-inner,
  .about-inner,
  .contact-inner,
  .featured-card { grid-template-columns: 1fr; }

  .hero-visual { max-width: 240px; margin: 0 auto; }
  .about-mark { max-width: 220px; margin: 0 auto; }

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

  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-inner { padding: 14px 20px; }
  .nav-cta { gap: 8px; flex-wrap: nowrap; }
  .lang-switcher {
    min-width: 0;
    padding: 6px 8px;
    font-size: 0.78rem;
  }
  .nav-cta-btn {
    padding: 8px 10px;
    font-size: 0.76rem;
  }
  .mobile-nav-links {
    display: none;
    flex-direction: column;
    gap: 8px;
    padding: 12px 20px 16px;
    background: rgba(11, 15, 25, 0.96);
    border-top: 1px solid var(--line);
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 10;
  }
  .mobile-nav-links.is-open {
    display: flex;
  }
  .mobile-nav-links a {
    color: var(--white);
    font-size: 0.95rem;
    padding: 6px 0;
  }

  .stat-row { gap: 24px; flex-wrap: wrap; }
}

@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; }
  .hero { padding: 100px 0 70px; }
  .featured-project { padding-bottom: 70px; }
  .featured-card { padding: 24px; }
  .featured-link { width: 100%; justify-content: center; }
  .container { padding: 0 20px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}