/* ============================================================
   JAZE DIGITAL — Shared Design System
   Brand: Deep Purple #4C1D95 | Lavender #C4B5FD | Near-black #0D0B1A
   Fonts: Space Grotesk (headings) + Inter (body)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  /* --- Brand Colors --- */
  --purple-deep:    #4C1D95;
  --purple-mid:     #6D28D9;
  --purple-light:   #7C3AED;
  --lavender:       #C4B5FD;
  --lavender-soft:  #EDE9FE;
  --near-black:     #0D0B1A;
  --dark-bg:        #120F22;
  --dark-card:      #1A1530;
  --dark-border:    rgba(196,181,253,0.15);

  /* --- Neutrals --- */
  --white:          #FFFFFF;
  --off-white:      #F9F8FF;
  --gray-50:        #F5F3FF;
  --gray-100:       #EDE9FE;
  --gray-300:       #C4B5FD;
  --gray-400:       #A78BFA;
  --gray-500:       #8B5CF6;
  --gray-600:       #6D28D9;
  --gray-700:       #5B21B6;
  --gray-800:       #4C1D95;
  --gray-900:       #2E1065;
  --text-body:      #1E1B2E;
  --text-muted:     #6B6B8A;
  --text-subtle:    #9CA3AF;
  --border:         #E5E7EB;

  /* --- Semantic --- */
  --color-primary:  var(--purple-deep);
  --color-accent:   var(--lavender);
  --color-dark:     var(--near-black);
  --color-surface:  var(--off-white);

  /* --- Typography --- */
  --font-display:   'Space Grotesk', sans-serif;
  --font-body:      'Inter', sans-serif;

  --text-xs:        0.75rem;
  --text-sm:        0.875rem;
  --text-base:      1rem;
  --text-lg:        1.125rem;
  --text-xl:        1.25rem;
  --text-2xl:       1.5rem;
  --text-3xl:       1.875rem;
  --text-4xl:       2.25rem;
  --text-5xl:       3rem;
  --text-6xl:       3.75rem;

  /* --- Spacing --- */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* --- Layout --- */
  --container-max: 1200px;
  --container-wide: 1400px;
  --nav-height: 72px;

  /* --- Radius --- */
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-full: 9999px;

  /* --- Shadows --- */
  --shadow-sm:  0 1px 3px rgba(76,29,149,0.08), 0 1px 2px rgba(76,29,149,0.06);
  --shadow-md:  0 4px 16px rgba(76,29,149,0.12), 0 2px 6px rgba(76,29,149,0.08);
  --shadow-lg:  0 10px 40px rgba(76,29,149,0.18), 0 4px 12px rgba(76,29,149,0.1);
  --shadow-xl:  0 20px 60px rgba(76,29,149,0.25);
  --shadow-glow: 0 0 40px rgba(109,40,217,0.3);

  /* --- Transitions --- */
  --transition:    150ms ease;
  --transition-md: 250ms ease;
  --transition-lg: 400ms ease;
}

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

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

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

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea, select { font-family: inherit; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-body);
}

h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p { line-height: 1.75; color: var(--text-muted); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--purple-light);
  margin-bottom: var(--space-4);
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container--wide {
  max-width: var(--container-wide);
}

.section {
  padding: var(--space-24) 0;
}

.section--sm {
  padding: var(--space-16) 0;
}

.section--lg {
  padding: var(--space-32) 0;
}

.section--dark {
  background: var(--near-black);
  color: var(--white);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--white);
}

.section--dark p {
  color: var(--lavender);
  opacity: 0.85;
}

.section--purple {
  background: var(--purple-deep);
  color: var(--white);
}

.section--purple h1,
.section--purple h2,
.section--purple h3 {
  color: var(--white);
}

.section--purple p {
  color: rgba(255,255,255,0.8);
}

.section--tint {
  background: var(--gray-50);
}

.text-center { text-align: center; }
.text-white  { color: var(--white) !important; }

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0,0,0,0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* ============================================================
   GRID HELPERS
   ============================================================ */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-8); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-8); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-md);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--purple-deep);
  color: var(--white);
  border-color: var(--purple-deep);
}

.btn--primary:hover {
  background: var(--purple-mid);
  border-color: var(--purple-mid);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn--secondary {
  background: transparent;
  color: var(--purple-deep);
  border-color: var(--purple-deep);
}

.btn--secondary:hover {
  background: var(--purple-deep);
  color: var(--white);
  transform: translateY(-1px);
}

.btn--ghost-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}

.btn--ghost-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
}

.btn--white {
  background: var(--white);
  color: var(--purple-deep);
  border-color: var(--white);
}

.btn--white:hover {
  background: var(--lavender-soft);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn--lg {
  font-size: var(--text-base);
  padding: 1rem 2.25rem;
}

.btn--sm {
  font-size: var(--text-xs);
  padding: 0.5rem 1.25rem;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: box-shadow var(--transition-md), transform var(--transition-md);
}

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

.card--dark {
  background: var(--dark-card);
  border-color: var(--dark-border);
}

.card--dark h3, .card--dark h4 { color: var(--white); }
.card--dark p { color: var(--lavender); opacity: 0.8; }

.card--purple {
  background: var(--purple-deep);
  border-color: transparent;
  color: var(--white);
}

.card--purple h3, .card--purple h4 { color: var(--white); }
.card--purple p { color: rgba(255,255,255,0.8); }

/* ============================================================
   FORM ELEMENTS
   ============================================================ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-body);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--text-body);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  -webkit-appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--purple-light);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.12);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-subtle);
}

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

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B6B8A' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: var(--near-black);
  border-bottom: 1px solid var(--dark-border);
  transition: background var(--transition-md), box-shadow var(--transition-md);
}

.nav.scrolled {
  background: rgba(13,11,26,0.97);
  box-shadow: 0 2px 20px rgba(0,0,0,0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* Logo in nav */
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  flex-shrink: 0;
}

.nav__logo-wordmark {
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
  line-height: 1;
}

.nav__logo-wordmark span {
  background: linear-gradient(135deg, var(--lavender) 0%, var(--purple-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav__logo-sub {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-subtle);
  margin-top: 1px;
}

/* Nav links */
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--lavender);
  border-radius: 2px;
  transition: width var(--transition-md);
}

.nav__link:hover,
.nav__link.active {
  color: var(--white);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

/* Nav CTA */
.nav__cta {
  font-size: var(--text-sm);
  padding: 0.5rem 1.25rem;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
  background: none;
  border: none;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition-md);
}

.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--near-black);
  border-bottom: 1px solid var(--dark-border);
  padding: var(--space-6);
  z-index: 999;
  flex-direction: column;
  gap: var(--space-4);
}

.nav__mobile.open {
  display: flex;
}

.nav__mobile .nav__link {
  font-size: var(--text-lg);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--dark-border);
}

.nav__mobile .btn {
  margin-top: var(--space-2);
  width: 100%;
  justify-content: center;
}

/* ============================================================
   PAGE HERO (shared dark hero banner)
   ============================================================ */
.page-hero {
  background: var(--near-black);
  padding: calc(var(--nav-height) + var(--space-16)) 0 var(--space-16);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(76,29,149,0.35) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero h1 { color: var(--white); }
.page-hero p  { color: var(--lavender); opacity: 0.85; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--near-black);
  color: var(--white);
  padding: var(--space-16) 0 var(--space-8);
  border-top: 1px solid var(--dark-border);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__brand .nav__logo-wordmark {
  font-size: 1.75rem;
  margin-bottom: var(--space-3);
}

.footer__brand p {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  max-width: 280px;
}

.footer__col h4 {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
  color: var(--white);
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__col ul li a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}

.footer__col ul li a:hover {
  color: var(--lavender);
}

.footer__bottom {
  border-top: 1px solid var(--dark-border);
  padding-top: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__bottom p {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.35);
}

.footer__bottom-links {
  display: flex;
  gap: var(--space-6);
}

.footer__bottom-links a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.35);
  transition: color var(--transition);
}

.footer__bottom-links a:hover {
  color: var(--lavender);
}

/* ============================================================
   SECTION HEADINGS (centered)
   ============================================================ */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-12);
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: var(--text-lg);
  line-height: 1.7;
}

/* ============================================================
   DIVIDER
   ============================================================ */
.divider {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--purple-deep), var(--lavender));
  border-radius: 3px;
  margin: var(--space-4) 0;
}

.divider--center {
  margin: var(--space-4) auto;
}

/* ============================================================
   BADGE / TAG
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

.badge--purple {
  background: var(--lavender-soft);
  color: var(--purple-deep);
}

.badge--dark {
  background: rgba(196,181,253,0.15);
  color: var(--lavender);
}

/* ============================================================
   ICON BOXES
   ============================================================ */
.icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.icon-box--purple {
  background: var(--lavender-soft);
  color: var(--purple-deep);
}

.icon-box--dark {
  background: rgba(196,181,253,0.12);
  color: var(--lavender);
}

.icon-box svg {
  width: 22px;
  height: 22px;
}

/* ============================================================
   SCROLL ANIMATION
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }
.fade-up-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   RESPONSIVE BREAKPOINTS
   ============================================================ */
@media (max-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .nav__links { display: none; }
  .nav__cta   { display: none; }
  .nav__hamburger { display: flex; }

  .section { padding: var(--space-16) 0; }
  .section--lg { padding: var(--space-20) 0; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

  .footer__grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer__bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--space-4); }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.625rem; }
}