/* ─── Reset & Base ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #080c14;
  --surface:   #0d1220;
  --border:    #1a2238;
  --text:      #dde2ed;
  --text-dim:  #7a87a0;
  --cyan:      #00d4e8;
  --magenta:   #e600cc;
  --gradient:  linear-gradient(90deg, var(--magenta), var(--cyan));
  --radius:    6px;
  --max:       1100px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ─── Typography ────────────────────────────────────────────────────── */
h1, h2, h3 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); color: #fff; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); color: #fff; }
h3 { font-size: 1.1rem; color: var(--cyan); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; }

p { color: var(--text); }

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── Layout ────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 2rem;
}

section { padding: 5rem 0; }

/* ─── Nav ───────────────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 12, 20, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 2rem;
  max-width: var(--max);
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.nav-logo-icon {
  width: 56px;
  height: 56px;
  overflow: hidden;
  flex-shrink: 0;
  border-radius: 8px;
}

.nav-logo-icon img {
  display: block;
  height: 97px;
  width: 97px;
  margin-top: -9.5px;
}

.nav-logo-wordmark {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-dim);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--cyan); text-decoration: none; }

/* ─── Rule / Divider ────────────────────────────────────────────────── */
.rule {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* ─── Hero ──────────────────────────────────────────────────────────── */
.hero {
  padding: 7rem 0 5rem;
  text-align: center;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}

.hero h1 {
  max-width: 780px;
  margin: 0 auto 1.5rem;
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--text-dim);
  max-width: 620px;
  margin: 0 auto 0;
  line-height: 1.6;
}

.accent-line {
  width: 60px;
  height: 3px;
  background: var(--gradient);
  margin: 2rem auto 0;
  border-radius: 2px;
}

/* ─── Hero logo ─────────────────────────────────────────────── */
.hero-logo-wrap {
  margin-bottom: 2rem;
}

.hero-logo {
  display: block;
  height: 240px;
  width: auto;
  margin: 0 auto;
  filter: drop-shadow(0 0 24px rgba(0, 212, 232, 0.25))
          drop-shadow(0 0 8px rgba(230, 0, 204, 0.15));
}

/* ─── Who We Serve ──────────────────────────────────────────────────── */
.serve-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.serve-card {
  background: var(--surface);
  padding: 2.5rem 2rem;
}

.serve-card h3 { margin-bottom: 1rem; }
.serve-card p  { font-size: 0.95rem; color: var(--text-dim); }

/* ─── AOSI Strip ────────────────────────────────────────────────────── */
.aosi-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 4rem 0;
  text-align: center;
}

.aosi-label {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

.aosi-name {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.aosi-desc {
  max-width: 560px;
  margin: 1.25rem auto 0;
  color: var(--text-dim);
  font-size: 0.95rem;
}

/* ─── About Content ─────────────────────────────────────────────────── */
.about-block {
  max-width: 720px;
  margin: 0 auto;
}

.about-block + .about-block {
  margin-top: 4rem;
  padding-top: 4rem;
  border-top: 1px solid var(--border);
}

.about-block h2 { margin-bottom: 1.25rem; }
.about-block p  { color: var(--text-dim); margin-bottom: 1rem; }
.about-block p:last-child { margin-bottom: 0; }

.about-block .pull-quote {
  font-size: 1.15rem;
  color: var(--text);
  font-style: italic;
  border-left: 3px solid var(--cyan);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
}

/* ─── Footer ────────────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 2rem;
}

.footer-inner p {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-inner a { color: var(--text-dim); }
.footer-inner a:hover { color: var(--cyan); text-decoration: none; }

/* ─── Hamburger button ──────────────────────────────────────────────── */
.nav-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  margin-left: 0.75rem;
  transition: color 0.2s, border-color 0.2s;
}

.nav-menu-btn:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.nav-menu-btn .icon-close { display: none; }

nav.nav-open .nav-menu-btn .icon-open  { display: none; }
nav.nav-open .nav-menu-btn .icon-close { display: block; }

/* ─── Responsive ────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .serve-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  .hero { padding: 3.5rem 0 2.5rem; }
  .hero-logo { height: 160px; }
  .nav-logo-icon { width: 48px; height: 48px; }
  .nav-logo-icon img { height: 83px; width: 83px; margin-top: -8px; }
  .what-card { padding: 1.75rem 1.5rem; }
  .what-card .cta-btn,
  .what-card .cta-btn-ghost { display: block; text-align: center; }
  .nav-inner { padding: 0.85rem 1.25rem; }
  section { padding: 3rem 0; }
}

@media (max-width: 640px) {
  .nav-menu-btn { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(8, 12, 20, 0.97);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 0 1rem;
    gap: 0;
    z-index: 99;
  }

  :root[data-theme="light"] .nav-links {
    background: rgba(244, 246, 250, 0.97);
  }

  nav.nav-open .nav-links { display: flex; }

  .nav-links li { width: 100%; }

  .nav-links a {
    display: block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  section { padding: 2rem 0; }
  .container { padding: 0 1.25rem; }
  .hero-logo { height: 120px; }
  .what-card { padding: 1.5rem 1.25rem; }
}

/* ─── Section Heading ───────────────────────────────────────────── */
.section-heading {
  text-align: center;
  margin-bottom: 3rem;
}

/* ─── What We Do Grid ───────────────────────────────────────────── */
.what-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
  gap: 1.5px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.what-card {
  background: var(--surface);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.what-card h3 { margin-bottom: 0; }
.what-card p  { font-size: 0.95rem; color: var(--text-dim); margin: 0; }
.what-card .cta-btn,
.what-card .cta-btn-ghost { margin-top: auto; align-self: flex-start; }

.what-card-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--magenta);
}

/* ─── Hero CTA Row ──────────────────────────────────────────────── */
.hero-cta-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

/* ─── Ghost Button ──────────────────────────────────────────────── */
.cta-btn-ghost {
  display: inline-block;
  padding: 0.75rem 2rem;
  min-width: 160px;
  text-align: center;
  background: transparent;
  color: var(--cyan);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  letter-spacing: 0.02em;
  border: 1px solid var(--cyan);
  transition: background 0.2s, color 0.2s;
  text-decoration: none;
}

.cta-btn-ghost:hover {
  background: var(--cyan);
  color: var(--bg);
  text-decoration: none;
}

:root[data-theme="light"] .cta-btn-ghost:hover {
  color: #fff;
}

/* ─── Email Signup Section ──────────────────────────────────────── */
.signup-section {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 5rem 0;
}

.signup-block {
  max-width: 540px;
  margin: 0 auto;
  text-align: center;
}

.signup-heading {
  margin-bottom: 0.75rem;
}

.signup-sub {
  color: var(--text-dim);
  font-size: 1rem;
  margin-bottom: 2rem;
}

.signup-row {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
}

.signup-input {
  flex: 1;
  max-width: 320px;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.signup-input::placeholder { color: var(--text-dim); }
.signup-input:focus { border-color: var(--cyan); }

.signup-btn {
  padding: 0.75rem 1.5rem;
  background: var(--gradient);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: inherit;
  transition: opacity 0.2s;
  white-space: nowrap;
}

.signup-btn:hover { opacity: 0.85; }

.signup-honeypot { display: none; }

.signup-success p {
  color: var(--cyan);
  font-size: 1.05rem;
  font-weight: 500;
}

@media (max-width: 480px) {
  .signup-row { flex-direction: column; align-items: stretch; }
  .signup-input { max-width: 100%; }
}

/* ─── Contact CTA Section ───────────────────────────────────────── */
.contact-cta {
  text-align: center;
  border-top: 1px solid var(--border);
}

.contact-cta-sub {
  font-size: 1.1rem;
  color: var(--text-dim);
  max-width: 520px;
  margin: 1rem auto 2rem;
}

.cta-btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  min-width: 160px;
  text-align: center;
  background: var(--gradient);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  letter-spacing: 0.02em;
  transition: opacity 0.2s;
  text-decoration: none;
}

.cta-btn:hover {
  opacity: 0.85;
  text-decoration: none;
}

/* ─── Contact Page ───────────────────────────────────────────────── */
.contact-block {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.contact-block h1 {
  margin-bottom: 1.5rem;
}

.contact-block p {
  color: var(--text-dim);
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.contact-block .cta-btn {
  margin-top: 1rem;
}

/* ─── Light Mode Tokens ─────────────────────────────────────────── */
:root[data-theme="light"] {
  --bg:        #f4f6fa;
  --surface:   #ffffff;
  --border:    #d5dae6;
  --text:      #111827;
  --text-dim:  #4b5563;
  --cyan:      #008899;
  --magenta:   #c400ae;
}

:root[data-theme="light"] nav {
  background: rgba(244, 246, 250, 0.92);
}

:root[data-theme="light"] h1,
:root[data-theme="light"] h2 {
  color: #111827;
}

/* Light theme: boost glow so it matches the dark theme presence */
:root[data-theme="light"] .hero-logo {
  filter: drop-shadow(0 0 32px rgba(0, 136, 153, 0.5))
          drop-shadow(0 0 12px rgba(196, 0, 174, 0.35));
}

/* ─── Theme Toggle Button ────────────────────────────────────────── */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  transition: color 0.2s, border-color 0.2s;
  margin-left: 1.5rem;
}

.theme-toggle:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.theme-toggle .icon-moon { display: block; }
.theme-toggle .icon-sun  { display: none;  }

:root[data-theme="light"] .theme-toggle .icon-moon { display: none;  }
:root[data-theme="light"] .theme-toggle .icon-sun  { display: block; }