/* =============================================
   CSS CUSTOM PROPERTIES
   ============================================= */
:root {
  --bg:           #0f172a;
  --surface:      #1e293b;
  --border:       #334155;
  --accent:       #6366f1;
  --accent-2:     #8b5cf6;
  --text:         #f1f5f9;
  --text-muted:   #94a3b8;
  --text-faint:   #475569;
  --gradient:     linear-gradient(135deg, #6366f1, #8b5cf6);
  --accent-rgb:   99, 102, 241;
  --bg-rgb:       15, 23, 42;
  --surface-rgb:  30, 41, 59;

  color-scheme: dark;

  --font-sans:    'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:    'Courier New', Courier, monospace;

  --radius:       8px;
  --radius-sm:    4px;

  --nav-h:        64px;

  --space-xs:     0.5rem;
  --space-sm:     1rem;
  --space-md:     1.5rem;
  --space-lg:     2.5rem;
  --space-xl:     4rem;
  --space-2xl:    6rem;
}

/* =============================================
   RESET
   ============================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul { list-style: none; }

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* =============================================
   NAVIGATION
   ============================================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  background-color: rgba(var(--bg-rgb), 0.95);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.nav__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--text);
}

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

.nav__links {
  display: flex;
  gap: var(--space-lg);
}

.nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}

.nav__links a:hover {
  color: var(--text);
}

.nav__links a.is-active {
  color: var(--text);
}

.nav__links a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Hamburger button — hidden on desktop */
.nav__toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px; /* px intentional: pixel-perfect bar geometry */
  padding: 4px;
  min-width: 44px;
  min-height: 44px;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--text);
  transition: transform 0.2s, opacity 0.2s;
  border-radius: 2px;
}

/* Mobile nav */
@media (max-width: 640px) {
  .nav__toggle {
    display: flex;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: var(--space-sm) 0;
    gap: 0;
  }

  .nav__links.is-open {
    display: flex;
  }

  .nav__links a {
    display: block;
    padding: var(--space-sm) var(--space-md);
    font-size: 1rem;
  }
}

/* =============================================
   HERO
   ============================================= */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + var(--space-xl)) var(--space-md) var(--space-2xl);
  background: radial-gradient(ellipse at 60% 0%, rgba(var(--accent-rgb),0.12) 0%, transparent 70%),
              var(--bg);
}

.hero__inner {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.hero__eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.hero__headline {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: var(--space-md);
}

.hero__sub {
  font-size: clamp(0.875rem, 2vw, 1.125rem);
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
  letter-spacing: 0.04em;
}

.hero__location {
  font-size: 0.8rem;
  color: var(--text-faint);
  margin-top: var(--space-md);
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  transition: opacity 0.2s, transform 0.2s;
}

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

.btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--gradient);
  color: #fff;
}

.btn--full {
  display: block;
  width: 100%;
  text-align: center;
}

/* =============================================
   SHARED SECTION LAYOUT
   ============================================= */
.section {
  padding: var(--space-2xl) var(--space-md);
}

.section--alt {
  background-color: rgba(var(--surface-rgb), 0.4);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

.container--narrow {
  max-width: 640px;
}

.section__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.section__title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--text);
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

.section__body {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 680px;
  line-height: 1.75;
  margin-bottom: var(--space-lg);
}

/* =============================================
   PILLS (About highlights)
   ============================================= */
.pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.pill {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  background-color: rgba(var(--accent-rgb), 0.12);
  border: 1px solid rgba(var(--accent-rgb), 0.3);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent);
}

/* =============================================
   CARDS (Services + Team)
   ============================================= */
.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

@media (max-width: 640px) {
  .cards {
    grid-template-columns: 1fr;
  }
}

.card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  transition: border-color 0.2s;
}

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

/* Service cards */
.card__icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--accent);
}

.card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.card__sub {
  font-size: 0.8125rem;
  color: var(--accent-2);
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.card__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.card__list li {
  font-size: 0.9375rem;
  color: var(--text-muted);
  padding-left: 1rem;
  position: relative;
}

.card__list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* Team cards */
.card--team {
  text-align: center;
}

.card__avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  object-position: 50% 15%;
  margin: 0 auto var(--space-sm);
  display: block;
  border: 3px solid var(--border);
}

.card__name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.card__role {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.card__bio {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* =============================================
   CONTACT FORM
   ============================================= */
.form {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-md);
}

.form__honeypot {
  display: none;
}

.form__row {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  margin-bottom: var(--space-sm);
}

.form__label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
}

.form__input {
  background-color: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.625rem 0.875rem;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  transition: border-color 0.2s;
  width: 100%;
}

.form__input:focus {
  outline: none;
  border-color: var(--text-faint);
}

.form__input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-color: var(--accent);
}

.form__input::placeholder {
  color: var(--text-faint);
}

.form__input--textarea {
  resize: vertical;
  min-height: 120px;
}

/* =============================================
   CONTACT INFO (below form)
   ============================================= */
.contact-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.contact-info__item {
  font-size: 0.875rem;
  color: var(--text-faint);
}

a.contact-info__item:hover {
  color: var(--accent);
}

.contact-info__sep {
  color: var(--text-faint);
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  padding: var(--space-md);
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer p {
  font-size: 0.8125rem;
  color: var(--text-faint);
}

/* =============================================
   NAV SCROLL SHADOW (JS-driven class)
   ============================================= */
.nav.is-scrolled {
  box-shadow: 0 1px 20px rgba(0,0,0,0.4);
}

/* =============================================
   REDUCED MOTION
   ============================================= */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}